Exhibit 10.1

[*] Certain information in this document has been omitted and filed separately with the Securities and Exchange Commission. Confidential treatment has been requested with respect to the omitted portions.

EXECUTION VERSION

THIRD AMENDED AND RESTATED CREDIT AGREEMENT

DATED AS OF DECEMBER 23, 2010

AMONG

USA COMPRESSION HOLDINGS, LP,
AS GUARANTOR,

USA COMPRESSION PARTNERS, LLC

AND

USAC LEASING, LLC,
COLLECTIVELY, AS BORROWER,

THE LENDERS PARTY HERETO FROM TIME TO TIME,

AND

JPMORGAN CHASE BANK, N.A.,
AS AGENT AND LC ISSUER

J.P. MORGAN SECURITIES INC.,
AS LEAD ARRANGER AND SOLE BOOK RUNNER

WELLS FARGO, N.A.,

AS DOCUMENTATION AGENT

REGIONS BANK,

AS SYNDICATION AGENT

TABLE OF CONTENTS

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iv

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ATTACHMENTS

COMMITMENT SCHEDULE

PRICING GRID

EXHIBITS

SCHEDULES

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THIRD AMENDED AND RESTATED CREDIT AGREEMENT

This Agreement, dated as of December 23, 2010, is among USA Compression Holdings, LP, a Texas limited partnership (“Holdings”), as Guarantor, USA Compression Partners, LLC, a Delaware limited liability company (“USA Compression Partners”) and USAC Leasing, LLC, a Delaware limited liability company (“USAC Leasing”), USAC Leasing together with USA Compression Partners, jointly and severally, as Borrower, the Lenders, JPMorgan Chase Bank, N.A., a national banking association, as an LC Issuer and as Agent, Wells Fargo, N.A., as Documentation Agent, and Regions Bank, as Syndication Agent.

RECITALS

WHEREAS, previous hereto, Borrower and Caterpillar Financial Services Corporation entered into a certain Loan Agreement, which Loan Agreement has since been amended, restated, modified, extended, renewed and restructured from time to time, including by that certain Amended and Restated Loan Agreement between Borrower and Caterpillar Financial Services Corporation dated as of March 19, 2003, and by that certain Second Amended and Restated Loan Agreement between Borrower and the Lenders, as amended by that certain First Amendment to Amended and Restated Credit Agreement dated March 30, 2005, that certain Second Amendment to Amended and Restated Credit Agreement dated March 31, 2005, that certain Third Amendment to Amended and Restated Credit Agreement dated September 12, 2005, that certain Fourth Amendment to Amended and Restated Credit Agreement dated March 8, 2006, that certain Fifth Amendment to Amended and Restated Credit Agreement dated July 31, 2006, that certain Sixth Amendment to Amended and Restated Credit Agreement dated December 6, 2006, that certain Seventh Amendment to Amended and Restated Credit Agreement dated May 22, 2007, that certain Eighth Amendment to Amended and Restated Credit Agreement dated June 29, 2007, that certain Ninth Amendment to Amended and Restated Credit Agreement dated October 5, 2007, and that certain Tenth Amendment to Amended and Restated Credit Agreement dated October 10, 2008  (such Loan Agreement, as so amended and otherwise modified through the Closing Date, the “Original Loan Agreement”);

WHEREAS, pursuant to that certain Unit Purchase Agreement dated November 29, 2010 among Holdings, all of the partners thereof (the “Sellers”), Darr Holdings, Inc., and USA Compression Holdings, LLC, a Delaware limited liability company (“Riverstone Holdings”) (the “Riverstone Acquisition Agreement”), Riverstone Holdings will purchase from the Sellers all of the outstanding partnership interests in Holdings (the “Riverstone Acquisition”);

WHEREAS, the Borrower has now requested that the Lenders further amend, restate, modify, extend, renew and restructure the loans made pursuant to the Original Loan Agreement and make available to the Borrower loans and other extensions of credit in an aggregate amount not to exceed $400,000,000 as of the Closing Date, which extensions of credit will be used by the Borrower for the purposes set forth in Section 6.2;

WHEREAS, the Borrower has agreed to secure all of their obligations under the Loan Documents by granting to the Agent, on behalf of the Lenders, a security interest in and lien upon the Collateral as set forth in the Collateral Documents; and

NOW THEREFORE, in consideration of these premises and the terms and conditions set forth in this Agreement, and for other good and valuable consideration, the receipt of which is hereby acknowledged, the parties hereto do hereby amend and completely restate the Original Loan Agreement, effective as of the Closing Date as defined below, and do hereby agree as follows:

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ARTICLE I

DEFINITIONS

As used in this Agreement:

“ABR”, when used in reference to any Loan or Borrowing, refers to whether such Loan, or the Loans comprising such Borrowing, are bearing interest at a rate determined by reference to the Alternate Base Rate.

“Account” shall have the meaning given to such term in the Security Agreement.

“Account Debtor” means any Person obligated on an Account.

“Acquisition” means any transaction, or any series of related transactions, consummated on or after the Closing Date, by which any Loan Party (a) acquires any going business or all or substantially all of the assets of any Person, whether through purchase of assets, merger or otherwise or (b) directly or indirectly acquires (in one transaction or as the most recent transaction in a series of transactions) at least a majority (in number of votes) of the Capital Stock of a Person which has ordinary voting power for the election of directors or other similar management personnel of a Person (other than Capital Stock having such power only by reason of the happening of a contingency) or a majority of the outstanding Capital Stock of a Person.

“Act” is defined in Section 9.14.

“Activation Event” means such time as (i) Availability is less than $20,000,000, or (ii) a Default or Unmatured Default shall have occurred.

“Adjusted LIBO Rate” means, with respect to any Eurodollar Borrowing for any Interest Period or for any ABR Borrowing, an interest rate per annum (rounded upwards, if necessary, to the next 1/16 of 1%) equal to (a) the LIBO Rate for such Interest Period multiplied by (b) the Statutory Reserve Rate.

“Advance” means a borrowing hereunder, (a) made by some or all of the Lenders on the same Borrowing Date, or (b) converted or continued by the Lenders on the same date of conversion or continuation, consisting, in either case, of the aggregate amount of the several Loans of the same Type and, in the case of Eurodollar Loans, for the same Interest Period.  The term Advance shall include Swingline Loans, Non-Ratable Loans and Protective Advances unless otherwise expressly provided.

“Affected Lender” is defined in Section 3.7.

“Affiliate” of any Person means any other Person directly or indirectly controlling, controlled by or under common control with such Person.  A Person shall be deemed to control another Person if the controlling Person owns 10% or more of any class of the voting Capital Stock of the controlled Person or possesses, directly or indirectly, the power to direct or cause the direction of the management or policies of the controlled Person, whether through ownership of Capital Stock, by contract or otherwise.

“Agent” means JPMorgan Chase Bank, N.A. in its capacity as contractual representative of the Lenders pursuant to Article X, and not in its individual capacity as a Lender, and any successor Agent appointed pursuant to Article X.

“Aggregate Commitment” means the aggregate of the Commitments of all the Lenders, as reduced from time to time pursuant to the terms hereof, which Aggregate Commitment shall on the Closing Date be in the amount of $400,000,000, which may be subsequently increased pursuant to the terms and conditions set forth herein, by an amount up to $50,000,000 as a result of the occurrence of a Commitment Adjustment Event.

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“Aggregate Credit Exposure” means, at any time, the aggregate of the Credit Exposure of all the Lenders.

“Agreement” means this Third Amended and Restated Credit Agreement, as it may be amended or modified and in effect from time to time.

“Alternate Base Rate” means, for any day, a rate per annum equal to the greatest of (a) the Prime Rate in effect on such day, (b) the Federal Funds Effective Rate in effect on such day plus ½ of 1% and (c) the Adjusted LIBO Rate for a one month Interest Period on such day (or if such day is not a Business Day, the immediately preceding Business Day) plus 1%, provided that, for the avoidance of doubt, the Adjusted LIBO Rate for any day shall be based on the rate appearing on the Reuters Screen LIBOR01 Page (or on any successor or substitute page) at approximately 11:00 a.m. London time on such day (without any rounding).  Any change in the Alternate Base Rate due to a change in the Prime Rate, the Federal Funds Effective Rate or the Adjusted LIBO Rate shall be effective from and including the effective date of such change in the Prime Rate, the Federal Funds Effective Rate or the Adjusted LIBO Rate, respectively.

“Applicable Fee Rate” shall mean one-half of one percent (0.50%) per annum with respect to the Available Commitment.

“Applicable Margin” means, with respect to Advances of any Type at any time, the percentage rate per annum which is applicable at such time with respect to Advances of such Type as set forth in the Pricing Schedule.

“Appraised Value Report” is defined in Section 6.1(e)(i).

“Appraised Value Report Desk Review” is defined in Section 6.1(e)(ii).

“Approved Appraiser” means Great American Group or such other reputable firm of independent professional appraisers as may be selected from time to time by the Borrower and approved and engaged by the Agent or the Required Lenders, which approval shall not be unreasonably withheld.

“Approved Fund” means any Fund that is administered or managed by (a) a Lender, (b) an Affiliate of a Lender or (c) an entity or an Affiliate of an entity that administers or manages a Lender.

“Arranger” means J.P. Morgan Securities Inc., and its successors, in its capacity as Lead Arranger and Sole Book Runner.

“Article” means an article of this Agreement unless another document is specifically referenced.

“Assignment Agreement” is defined in Section 12.3(a).

“Authorized Individual” means any Authorized Officer, the controller of the Borrower, or any other employee of Borrower designated in writing delivered to Agent and signed by at least two (2) Authorized Officers, acting singly.

“Authorized Officer” means the Chairman or the President and Chief Executive Officer, or Chief Financial Officer of the Borrower, or any other officer designated in writing delivered to the Agent and signed by the board of managers of the Managing General Partner of the Borrower, acting singly.

“Availability” means, at any time, an amount equal to the lesser of (a) the Commitment and (b) the Borrowing Base, in each case, minus the Aggregate Credit Exposure.

“Availability Period” means the period from and including the Effective Date to but excluding the Facility Termination Date.

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“Available Commitment” means, at any time, the Commitment then in effect minus the Aggregate Credit Exposure at such time.

“Average Utilization” is measured over two consecutive Fiscal Quarters, and means, for any such period, the average of Utilization for the six (6) consecutive Fiscal Months ending on the last day of a Fiscal Quarter.

“Banking Services” means each and any of the following bank services provided to any Loan Party by JPMorgan Chase Bank, N.A. or any of its Affiliates or any Lender: (a) credit cards for commercial customers (including, without limitation, “commercial credit cards” and purchasing cards), (b) stored value cards and (c) treasury management services (including, without limitation, controlled disbursement, automated clearinghouse transactions, return items, overdrafts and interstate depository network services).

“Banking Services Obligations” of the Loan Parties means any and all obligations of the Loan Parties, whether absolute or contingent and howsoever and whensoever created, arising, evidenced or acquired (including all renewals, extensions and modifications thereof and substitutions therefor) in connection with Banking Services.

“Banking Services Reserves” means all Reserves which the Agent from time to time establishes in its Permitted Discretion for Banking Services then provided or outstanding.

“Bankruptcy Code” means Title 11 of the U.S. Code (11 U.S.C. § 101 et seq.) as amended, reformed, or otherwise modified from time to time, and any rule or regulation issued thereunder.

“Board” means the Board of Governors of the Federal Reserve System of the United States of America.

“Borrower” means individually and collectively, jointly and severally, USA Compression Partners, USAC Leasing, and their successors and assigns.

“Borrowing” means (a) Revolving Loans of the same Type, made, converted or continued on the same date and, in the case of Eurodollar Loans, as to which a single Interest Period is in effect, (b) a Swingline Loan, (c) a Protective Advance and (d) a Non-Ratable Loan.

“Borrowing Base” means, at any time, the sum of (a) up to 85% of Borrower’s Eligible Accounts at such time, plus (b) up to 50% of Borrower’s Eligible Inventory (excluding Eligible Compression Units, Eligible Finished Goods Inventory and Eligible Heavy Component Inventory), valued at the lower of cost or market value, determined on a first-in-first-out basis, at such time, plus (c) up to the Compression Units Advance Rate Percentage of the book value of Borrower’s Eligible Compression Units, plus (d) up to 80% of Borrower’s Eligible Finished Goods Inventory and Eligible Heavy Component Inventory valued at cost (excluding tooling and set-up costs, sales taxes and other soft costs), determined on a first-in-first-out basis, at such time, minus (e) Reserves.  The Agent may, in its Permitted Discretion, upon the occurrence and during the continuance of an Unmatured Default or Default, reduce the advance rates set forth above or reduce one or more of the other elements used in computing the Borrowing Base.

“Borrowing Base Certificate” means a certificate, signed by an Authorized Officer of the Borrower, in the form of Exhibit H or another form which is acceptable to the Agent in its sole discretion.

“Borrowing Date” means a date on which an Advance or a Loan is made hereunder.

“Borrowing Notice” is defined in Section 2.1.1(b).

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“Budget” means an annual budget of the Borrower setting forth in reasonable detail, the projected plan and forecast (including projected consolidated balance sheet, income statement and funds flow statement) of the Borrower for each quarter of the following Fiscal Year.

“Business Day” means (a) with respect to any borrowing, payment or rate selection of Eurodollar Advances, a day (other than a Saturday or Sunday) on which banks generally are open in New York City for the conduct of substantially all of their commercial lending activities, interbank wire transfers can be made on the Fedwire system and dealings in U.S. dollars are carried on in the London interbank market and (b) for all other purposes, a day (other than a Saturday or Sunday) on which banks generally are open in New York City for the conduct of substantially all of their commercial lending activities and interbank wire transfers can be made on the Fedwire system.

“Capital Expenditures” means, for any period, all expenditures (whether paid in cash or accrued as a liability, including the portion of Capital Lease Obligations originally incurred during such period that are capitalized on the consolidated balance sheet of the Borrower) by the Borrower and its Subsidiaries during such period that, in conformity with GAAP, are included in “capital expenditures,” “additions to property, plant or equipment” or comparable items in the consolidated financial statements of the Borrower, but excluding (a) expenditures for the restoration, repair or replacement of any fixed or capital asset that was destroyed or damaged, in whole or in part, in an amount equal to any insurance proceeds received in connection with such damage or destruction, and (b) any expenditures made or incurred with proceeds of the Designated Contribution Amount.

“Capital Stock” means any and all corporate stock, units, shares, partnership interests, membership interests, equity interests, rights, securities, or other equivalent evidences of ownership (howsoever designated) issued by any Person.

“Capitalized Lease” of a Person means any lease of Property by such Person as lessee which would be capitalized on a balance sheet of such Person prepared in accordance with GAAP.

“Capitalized Lease Obligations” of a Person means the aggregate amount of the obligations of such Person under Capitalized Leases which would be shown as a liability on a balance sheet of such Person prepared in accordance with GAAP.

“Cash Equivalent Investments” means (a) short-term obligations of, or fully guaranteed by, the U.S., (b) commercial paper rated A-1 or better by S&P or P-1 or better by Moody’s, (c) demand deposit accounts maintained in the ordinary course of business with any domestic office of any commercial bank organized under the laws of the U.S. or any State thereof that has a combined capital and surplus and undivided profits of not less than $500,000,000, and (d) certificates of deposit issued by and time deposits with any domestic office of any commercial bank organized under the laws of the U.S. or any State thereof that has a combined capital and surplus and undivided profits of not less than $500,000,000; provided that, in each case, the same provides for payment of both principal and interest (and not principal alone or interest alone) and is not subject to any contingency regarding the payment of principal or interest.

“Change in Control” means (a) Riverstone Holdings and/or one or more of its Affiliates shall cease to own, free and clear of all Liens or other encumbrances (other than Permitted Liens which are inchoate liens arising by operation of law for which amounts are not yet due and owing), control, and manage at least 50.10% of the outstanding voting Capital Stock of Holdings on a fully diluted basis; (b) a sale, transfer or other disposition of all or substantially all of the assets of any Borrower; (c) Managing General Partner ceases to be the Managing General Partner (as such term is defined in the Partnership Agreement) of Holdings; (d) the failure of Holdings (or, subject to the proviso below, another Person controlled directly or indirectly by Riverstone Holdings, so long as the Borrower has given Agent ten (10) Business Days’ prior written notice of such substitution (a “Substitute Control Person”)) to own, control and manage, one hundred percent of the membership interests or other equity interests of USA Compression Partners; or (e) the failure

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of USA Compression Partners (or, subject to the proviso below, another Person controlled directly or indirectly by Riverstone Holdings, so long as the Borrower has given Agent ten (10) Business Days’ prior written notice of such substitution) to own, control and manage, one hundred percent of the membership interests or other equity interests of USAC Leasing; provided that as applicable, clauses (d) and (e) above shall not be violated and shall thereafter apply to such Substitute Control Person(s), so long as Holdings and/or such other Substitute Control Person has, immediately upon the occurrence of such substitution, has taken all necessary or appropriate steps requested by Agent to ensure that at all times Agent has the same credit support and security package (i.e. a pledge agreement, security agreement and guaranty) from Holdings and such Substitute Control Person.

“Chase” means JPMorgan Chase Bank, N.A., a national banking association, in its individual capacity, and its successors.

“Closing Date” means the date of this Agreement.

“Code” means the Internal Revenue Code of 1986, as amended, reformed or otherwise modified from time to time, and any rule or regulation issued thereunder.

“Collateral” means any and all Property covered by the Collateral Documents and any and all other Property of any Loan Party, now existing or hereafter acquired, that may at any time be or become subject to a security interest or Lien in favor of Agent, on behalf of itself and the Lenders, to secure the Secured Obligations.

“Collateral Access Agreement” means any landlord waiver or other agreement, in form and substance satisfactory to the Agent, between the Agent and any third party (including any bailee, consignee, customs broker, or other similar Person) in possession of any Collateral or any landlord of any Loan Party for any real Property where any Collateral is located, as such landlord waiver or other agreement may be amended, restated, or otherwise modified from time to time.

“Collateral Assignment of Contracts” is defined in Section 4.1(w).

“Collateral Documents” means, collectively, the Security Agreement, the Pledge Agreement, and any other documents granting a Lien upon the Collateral as security for payment of the Secured Obligations.

“Collateral Shortfall Amount” is defined in Section 2.1.2(l).

“Commitment” means, for each Lender, the obligation of such Lender to make Loans to, and participate in Facility LCs issued upon the application of, the Borrower in an aggregate amount not exceeding the amount set forth in the Commitment Schedule or as set forth in any Assignment Agreement that has become effective pursuant to Section 12.3(c), as such amount may be increased, subject to the terms and conditions set forth herein, as a result of a Commitment Adjustment Event or otherwise modified from time to time pursuant to the terms hereof.

“Commitment Adjustment Event” is defined in Section 2.1.1(a)(ii).

“Commitment Schedule” means the Schedule attached hereto identified as such.

“Compliance Certificate” is defined in Section 6.1(d).

“Compression Units” means Inventory of a Borrower consisting of completed Compressor Packages held by such Borrower, either (i) for rental to USA Compression Partner’s customers in the ordinary course of business, as evidenced by such Compressor Packages either then being or previously having been rented or leased by a customer or under an executory contract to rent or lease by a customer, or (ii) for use by USA Compression Partners in providing compression services to its customers in the ordinary course of business,

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as evidenced by such Compressor Packages either then being or previously having been used by USA Compression Partners in providing compression services under a service contract with a customer or designated by USA Compression Partners for use under an executory contract for services with a customer.  For avoidance of doubt, the term ‘Compression Units’ does not include any Inventory of a Borrower held by such Borrower for lease or rent to its Affiliate unless after giving effect to such lease or rent to such Affiliate such Inventory meets the requirement set forth in either subsection (i) or (ii) above.

“Compression Units Advance Rate Percentage” means, as of any date of determination, the lesser of (i) a fraction (stated as a percentage), the numerator of which is equal to eighty percent (80%) of the aggregate Net Orderly Liquidation Value of Borrower’s Compression Units (determined by reference to the Current Valuation Report), and the denominator of which is equal to the aggregate net book value of Borrower’s Compression Units as reflected in Borrower’s monthly financial statements as of the Valuation Date of the Current Valuation Report or (ii) one hundred percent (100%).  The Compression Units Advance Rate Percentage shall be calculated by Agent within five (5) Business Days after Agent has received both a Current Valuation Report and the Borrower’s monthly financial statements as of the Valuation Date of such Current Valuation Report in accordance with this Agreement.  In the event that either such Current Valuation Report or such financial statements are not delivered when due, the Compression Units Advance Rate Percentage shall be determined by Agent in its Permitted Discretion.  For the period from the Closing Date through the date of the calculation pursuant to this definition after delivery of the next Current Valuation Report, the Compression Units Advance Rate Percentage shall be based on the Approved Appraiser’s report referred to in Section 6.1(s) hereof and the Borrower’s financial statements for the month ended September 30, 2010.

“Compressor Packages” means natural gas compression equipment generally consisting of an engineered package of major serial numbered components including an engine, compressor, compressor cylinders, natural gas and engine jacket cooler, control devices and ancillary piping mounted on a metal skid.

“Contingent Obligation” of a Person means any agreement, undertaking or arrangement by which such Person assumes, guarantees, endorses, contingently agrees to purchase or provide funds for the payment of, or otherwise becomes or is contingently liable upon, the obligation or liability of any other Person, or agrees to maintain the net worth or working capital or other financial condition of any other Person, or otherwise assures any creditor of such other Person against loss, including, without limitation, any comfort letter, operating agreement, take-or-pay contract or the obligations of any such Person as general partner of a partnership with respect to the liabilities of the partnership.

“Conversion/Continuation Notice” is defined in Section 2.7.

“Copyrights” shall have the meaning given to such term in the Security Agreement.

“Credit Exposure” means, as to any Lender at any time, the sum of (a) the aggregate principal amount of its Revolving Loans outstanding at such time, plus (b) an amount equal to its Pro Rata Share of the LC Obligations at such time, plus (c) an amount equal to its Pro Rata Share of the aggregate principal amount of Swingline Loans, Non-Ratable Loans and Protective Advances outstanding at such time.

“Credit Extension” means the making of an Advance or the issuance of a Facility LC hereunder.

“Credit Extension Date” means the Borrowing Date for an Advance or the issuance date for a Facility LC.

“Current Valuation Report” means, as of any date, the most recent Appraised Value Report or Appraised Value Report Desk Review delivered to Agent in accordance with this Agreement.

“Customer List” means a list of the Borrower’s customers, specifying each customer’s name, mailing address and phone number.

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“Default” means an event described in Article VII.

“Defaulting Lender” means any Lender, as determined by the Agent, that has (a) failed to fund any portion of its Loans or participations in Letters of Credit or Swingline Loans within three Business Days of the date required to be funded by it hereunder, (b) notified the Borrower, the Agent, the LC Issuer, the Swingline Lender or any Lender in writing that it does not intend to comply with any of its funding obligations under this Agreement or has made a public statement to the effect that it does not intend to comply with its funding obligations under this Agreement or under other agreements in which it commits to extend credit, (c) failed, within three Business Days after request by the Agent, to confirm that it will comply with the terms of this Agreement relating to its obligations to fund prospective Loans and participations in then outstanding Letters of Credit and Swingline Loans, (d) otherwise failed to pay over to the Agent or any other Lender any other amount required to be paid by it hereunder within three Business Days of the date when due, unless the subject of a good faith dispute, or (e) (i) become or is insolvent or has a parent company that has become or is insolvent or (ii) become the subject of a bankruptcy or insolvency proceeding, or has had a receiver, conservator, trustee or custodian appointed for it, or has taken any action in furtherance of, or indicating its consent to, approval of or acquiescence in any such proceeding or appointment or has a parent company that has become the subject of a bankruptcy or insolvency proceeding, or has had a receiver, conservator, trustee or custodian appointed for it, or has taken any action in furtherance of, or indicating its consent to, approval of or acquiescence in any such proceeding or appointment.

“Deposit Account Control Agreement” means an agreement, in form and substance satisfactory to the Agent, among any Loan Party, a banking institution holding such Loan Party’s funds, and the Agent with respect to collection and control of all deposits and balances held in a deposit account maintained by any Loan Party with such banking institution.

“Designated Contribution Amount” means the aggregate amount of net cash proceeds from capital contributions made by a holder of Capital Stock of Holdings or any parent company of Holdings, and contributed by Holdings to the Borrower as common equity or in form reasonably acceptable to Agent and substantially concurrently utilized (without duplication) for Capital Expenditures.

“Document” shall have the meaning given to such term in the Security Agreement.

“Domestic Subsidiary” means any Subsidiary which is organized under the laws of the U.S. or any state of the U.S.

“EBITDA” means, for any period, Net Income plus, to the extent deducted from revenues in determining Net Income, (a) Interest Expense, (b) expense for taxes paid or accrued, (c) depreciation, (d) amortization, (e) extraordinary losses (as determined in accordance with GAAP) incurred other than in the ordinary course of business, (f) Management Fees made during the applicable period, and (g) fees and expenses in connection with the Riverstone Acquisition and the transactions relating thereto, including the amendment and/or amendment and restatements of the existing indebtedness of the Borrower minus, to the extent included in Net Income, extraordinary gains (as determined in accordance with GAAP) realized other than in the ordinary course of business, all calculated for Holdings and its Subsidiaries consolidated in accordance with GAAP.

“Effective Date” means the date that the conditions precedent set forth in Article IV are satisfied.

“Eligible Accounts” means, at any time, the Accounts of the Borrower which the Agent determines in its Permitted Discretion are eligible as the basis for Credit Extensions hereunder.  Without limiting the Agent’s discretion provided herein, Eligible Accounts shall not include any Account:

(a)           which is not subject to a first priority perfected security interest in favor of the Agent;

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(b)           which is subject to any Lien other than (i) a Lien in favor of the Agent and (ii) a Permitted Lien which does not have priority over the Lien in favor of the Agent;

(c)           with respect to which more than 90 days have elapsed since the date of the original invoice therefor or which is more than 60 days past the due date for payment;

(d)           which is owing by an Account Debtor for which more than 50% of the Accounts owing from such Account Debtor and its Affiliates are ineligible hereunder;

(e)           which is owing by an Account Debtor to the extent the aggregate amount of Accounts owing from such Account Debtor and its Affiliates to the Borrower exceeds 25% of the aggregate Eligible Accounts;

(f)            with respect to which any covenant, representation, or warranty contained in this Agreement or in the Security Agreement has been breached or is not true in all material respects;

(g)           which (i) does not arise from the sale, lease or rental of goods or performance of services in the ordinary course of business, (ii) is not evidenced by an invoice or other documentation satisfactory to the Agent which has been sent to the Account Debtor, (iii) represents a progress billing, (iv) is contingent upon the Borrower’s completion of any further performance, or (v) represents a sale on a bill-and-hold, guaranteed sale, sale-and-return, sale on approval, consignment, cash-on-delivery or any other repurchase or return basis, provided that, this subsection (g) shall not apply to any Accounts comprising, in the aggregate from time to time, not more than $2,000,000 of the Borrowing Base (or such other amount as determined by the Agent in its Permitted Discretion), which would otherwise constitute Eligible Accounts but for the fact that such Accounts were billed in advance in the ordinary course of business;

(h)           for which the goods giving rise to such Account have not been shipped to the Account Debtor or for which the services giving rise to such Account have not been performed by the Borrower;

(i)            with respect to which any check or other instrument of payment has been returned uncollected for any reason;

(j)            which is owed by an Account Debtor which has (i) applied for, suffered, or consented to the appointment of any receiver, custodian, trustee, or liquidator of its assets, (ii) has had possession of all or a material part of its property taken by any receiver, custodian, trustee or liquidator, (iii) filed, or had filed against it, any request or petition for liquidation, reorganization, arrangement, adjustment of debts, adjudication as bankrupt, winding-up, or voluntary or involuntary case under any state or federal bankruptcy laws, (iv) has admitted in writing its inability, or is generally unable to, pay its debts as they become due, (v) become insolvent, or (vi) ceased operation of its business;

(k)           which is owed by any Account Debtor which has sold all or a substantially all of its assets;

(l)            which is owed by an Account Debtor which (i) does not maintain its chief executive office in the U.S. or Canada (other than the Province of Newfoundland) or (ii) is not organized under applicable law of the U.S., any state of the U.S., Canada, or any province of Canada (other than the Province of Newfoundland) unless, in either case, such Account is backed either by a Letter of Credit acceptable to the Agent which is in the possession of the Agent or the payment of which is insured by an insurer organized under

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the laws of the U.S. and acceptable to Agent pursuant to an insurance policy acceptable to Agent that is assigned to Agent in a manner satisfactory to Agent;

(m)          which is owed in any currency other than U.S. dollars;

(n)           which is owed by (i) the government (or any department, agency, public corporation, or instrumentality thereof) of any country other than the U.S. unless such Account is backed by a Letter of Credit acceptable to the Agent which is in the possession of the Agent, or (ii) the government of the U.S., or any department, agency, public corporation, or instrumentality thereof, unless the Federal Assignment of Claims Act of 1940, as amended (31 U.S.C. § 3727 et seq. and 41 U.S.C. § 15 et seq.), and any other steps necessary to perfect the Lien of the Agent in such Account have been complied with to the Agent’s satisfaction;

(o)           which is owed by any Affiliate, employee, or director of any Loan Party;

(p)           which, for any Account Debtor, exceeds a credit limit determined by the Agent, to the extent of such excess;

(q)           which is owed by an Account Debtor or any Affiliate of such Account Debtor to which Borrower is indebted, but only to the extent of such indebtedness;

(r)            which is subject to any counterclaim, deduction, defense, setoff or dispute;

(s)           which is evidenced by any promissory note, chattel paper, or instrument (unless determined acceptable to Agent in its sole discretion);

(t)            which is owed by an Account Debtor located in any jurisdiction which requires filing of a “Notice of Business Activities Report” or other similar report in order to permit the Borrower to seek judicial enforcement in such jurisdiction of payment of such Account, unless the Borrower has filed such report or qualified to do business in such jurisdiction;

(u)           with respect to which the Borrower has made any agreement with the Account Debtor for any reduction thereof, other than discounts and adjustments given in the ordinary course of business; or

(v)           which the Agent determines may not be paid by reason of the Account Debtor’s inability to pay or which the Agent otherwise determines is unacceptable for any reason whatsoever.

In the event that an Account which was previously an Eligible Account ceases to be an Eligible Account hereunder, the Borrower shall notify the Agent thereof on and at the time of submission to the Agent of the next Borrowing Base Certificate.

“Eligible Compression Units” means, Eligible Inventory of Borrower consisting of Compression Units.

“Eligible Finished Goods Inventory” means, Eligible Inventory of Borrower consisting of Finished Goods Inventory.

“Eligible Heavy Component Inventory” means, Eligible Inventory of Borrower consisting of Heavy Component Inventory.

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“Eligible Inventory” means, at any time, the Inventory of the Borrower which the Agent determines in its Permitted Discretion is eligible as the basis for Credit Extensions hereunder.  Without limiting the Agent’s discretion provided herein, Eligible Inventory shall not include any Inventory:

(a)           which is not subject to a first priority perfected Lien in favor of the Agent;

(b)           which is subject to any Lien other than (i) a Lien in favor of the Agent and (ii) a Permitted Lien which does not have priority over the Lien in favor of the Agent;

(c)           which is, in the Agent’s opinion, slow moving, obsolete, unmerchantable, defective, unfit for sale, lease, rental or its intended use, not salable at prices approximating at least the cost of such Inventory in the ordinary course of business or unacceptable due to age, type, category and/or quantity;

(d)           with respect to which any covenant, representation, or warranty contained in this Agreement or the Security Agreement has been breached or is not true in all material respects;

(e)           which does not conform to all standards imposed by any governmental authority;

(f)            which is not finished goods or which constitutes raw materials, spare or replacement parts (other than Eligible Heavy Component Inventory), subassemblies, packaging and shipping material, manufacturing supplies, display items, bill-and-hold goods, returned or repossessed goods, defective goods, goods held on consignment, or goods which are not of a type (i) held for sale, lease or rental or (ii) to be used to provide compression services, in each case, in the ordinary course of business;

(g)           which is not located in the U.S. or Canada or is in transit with a common carrier from vendors and suppliers;

(h)           which is located in any location leased by the Borrower unless (i) the lessor has delivered to the Agent a Collateral Access Agreement or (ii) a Reserve for rent, charges, and other amounts due or to become due with respect to such facility has been established by the Agent in its Permitted Discretion;

(i)            which is located in any third party warehouse or is in the possession of a bailee and is not evidenced by a Document, unless (i) such warehouseman or bailee has delivered to the Agent a Collateral Access Agreement and such other documentation as the Agent may require or (ii) an appropriate Reserve has been established by the Agent in its Permitted Discretion;

(j)            which is the subject of a consignment by the Borrower as consignor;

(k)           which is perishable;

(l)            which contains or bears any Intellectual Property Rights licensed to the Borrower unless the Agent is satisfied that it may sell or otherwise dispose of such Inventory without (i) infringing the rights of such licensor, (ii) violating any contract with such licensor, or (iii) incurring any liability with respect to payment of royalties other than royalties incurred pursuant to sale of such Inventory under the current licensing agreement;

(m)          which is not reflected in a current perpetual report of property of the Borrower;

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(n)           which is covered by a negotiable document of title, unless such document and evidence of acceptable insurance covering such Inventory have been delivered to Agent with all necessary endorsements, free and clear of all Liens, except those in favor of Agent;

(o)           which is not covered by casualty insurance reasonably acceptable to Agent; or

(p)           which the Agent otherwise determines is unacceptable for any reason whatsoever.

In the event that Inventory which was previously Eligible Inventory ceases to be Eligible Inventory hereunder, the Borrower shall notify the Agent thereof on and at the time of submission to the Agent of the next Borrowing Base Certificate.

“Environmental Laws” means any and all federal, state, local and foreign statutes, laws, judicial decisions, regulations, ordinances, rules, judgments, orders, decrees, plans, injunctions, permits, concessions, grants, franchises, licenses, agreements and other governmental restrictions relating to (a) the protection of the environment, (b) the effect of the environment on human health, (c) emissions, discharges or releases of pollutants, contaminants, hazardous substances or wastes into surface water, ground water or land, (d) the manufacture, processing, distribution, use, treatment, storage, disposal, transport or handling of pollutants, contaminants, hazardous substances or wastes or the clean-up or other remediation thereof or (e) occupational health and safety.

“Equipment” has the meaning specified in the Security Agreement.

“ERISA” means the Employee Retirement Income Security Act of 1974, as amended from time to time, and any rule or regulation issued thereunder.

“ERISA Affiliate” means any trade or business (whether or not incorporated) that, together with a Borrower, is treated as a single employer under Section 414(b) or (c) of the Code or, solely for purposes of Section 302 of ERISA and Section 412 of the Code, is treated as a single employer under Section 414 of the Code.

“ERISA Event” means (a) any “reportable event”, as defined in Section 4043 of ERISA or the regulations issued thereunder with respect to a Plan (other than an event for which the 30 day notice period is waived); (b) the existence with respect to any Plan of an “accumulated funding deficiency” (as defined in Section 412 of the Code or Section 302 of ERISA), whether or not waived; (c) the filing pursuant to Section 412(d) of the Code or Section 303(d) of ERISA of an application for a waiver of the minimum funding standard with respect to any Plan; (d) the incurrence by any Borrower or any of its ERISA Affiliates of any liability under Title IV of ERISA with respect to the termination of any Plan; (e) the receipt by any Borrower or any ERISA Affiliate from the PBGC or a plan administrator of any notice relating to an intention to terminate any Plan or Plans or to appoint a trustee to administer any Plan; (f) the incurrence by any Borrower or any of its ERISA Affiliates of any liability with respect to the withdrawal or partial withdrawal from any Plan or Multiemployer Plan; or (g) the receipt by any Borrower or any ERISA Affiliate of any notice, or the receipt by any Multiemployer Plan from any Borrower or any ERISA Affiliate of any notice, concerning the imposition of Withdrawal Liability or a determination that a Multiemployer Plan is, or is expected to be, insolvent or in reorganization, within the meaning of Title IV of ERISA.

“Eurodollar”, when used in reference to any Loan or Borrowing (except as otherwise provided in Section 2.12), refers to whether such Loan, or the Loans comprising such Borrowing, are bearing interest at a rate determined by reference to the Adjusted LIBO Rate.

“Excluded Taxes” means, with respect to the Agent, any Lender, the LC Issuer or any other recipient of any payment to be made by or on account of any obligation of the Borrower hereunder, (a) income or franchise taxes imposed on (or measured by) its net income by the United States of America, or by the jurisdiction under the laws of which such recipient is organized or in which its principal office is located or,

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in the case of any Lender, in which its applicable lending office is located or any other jurisdiction as a result of such recipient engaging in a trade or business in such jurisdiction for tax purposes, (b) any branch profits taxes imposed by the United States of America or any similar tax imposed by any other jurisdiction in which the Borrower is located, (c) in the case of a Foreign Lender (other than an assignee pursuant to a request by a Borrower under Section 3.7), any withholding tax that is imposed on amounts payable to such Foreign Lender at the time such Foreign Lender becomes a party to this Agreement (or designates a new lending office) or is attributable to such Foreign Lender’s failure to comply with Section 3.5(f), except to the extent that such Foreign Lender (or its assignor, if any) was entitled, at the time of designation of a new lending office (or assignment), to receive additional amounts from the Borrower with respect to such withholding tax pursuant to Section 3.5(a) and (d) any United States withholding tax that is imposed as a result of such recipient’s failure to comply with the requirements of FATCA to establish an exemption from such withholding tax pursuant to FATCA.

“Exhibit” refers to an exhibit to this Agreement, unless another document is specifically referenced.

“Facility” means the credit facility described in Section 2.1 hereof to be provided to the Borrower on the terms and conditions set forth in this Agreement.

“Facility LC” is defined in Section 2.1.2(a).

“Facility LC Application” is defined in Section 2.1.2(c).

“Facility LC Collateral Account” is defined in Section 2.1.2(j).

“Facility Termination Date” means October 5, 2015 or any earlier date on which the Aggregate Commitment is reduced to zero or otherwise terminated pursuant to the terms hereof.

“FATCA”:  Section 1471 through 1474 of the Code as enacted and any regulations thereunder or official interpretations thereof.

“Federal Funds Effective Rate” means, for any day, the weighted average (rounded upwards, if necessary, to the next 1/100 of 1%) of the rates on overnight Federal funds transactions with members of the Federal Reserve System arranged by Federal funds brokers, as published on the next succeeding Business Day by the Federal Reserve Bank of New York, or, if such rate is not so published for any day that is a Business Day, the average (rounded upwards, if necessary, to the next 1/100 of 1%) of the quotations for such day for such transactions received by the Agent from three Federal funds brokers of recognized standing selected by it.

“Fee Letter” is defined in Section 2.10(c).

“Financial Contract” of a Person means (a) any exchange-traded or over-the-counter futures, forward, swap or option contract or other financial instrument with similar characteristics, or (b) any Rate Management Transaction.

“Finished Goods Inventory” means Inventory of Borrower consisting of completed Compressor Packages that are not Compression Units.

“Fiscal Month” means any of the monthly accounting periods of the Borrower.

“Fiscal Quarter” means any of the quarterly accounting periods of the Borrower, ending on March 31, June 30, September 30 and December 31 of each year.

“Fiscal Year” means any of the annual accounting periods of the Borrower ending on December 31 of each year.

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“Fixed Charge Coverage Ratio” means the ratio, determined as of the end of each of Fiscal Quarter of Holdings and its Subsidiaries for the twelve month period then ending, of (a) EBITDA minus the Unfinanced Portion of Capital Expenditures to (b) Fixed Charges, all calculated for Holdings and its Subsidiaries consolidated in accordance with GAAP.

“Fixed Charges” means, with reference to any period, without duplication, cash Interest Expense, plus scheduled principal payments on Indebtedness made during such period (which shall exclude principal payments hereunder), plus expense for taxes paid in cash (including tax distributions made in accordance with Section 6.9(a)(i)), plus dividends or distributions paid in cash to the partners of Holdings, plus Management Fees.

“Fixtures” has the meaning specified in the Security Agreement.

“Floating Rate” means, for any day, a rate per annum equal to (a) the Alternate Base Rate for such day plus (b) the Applicable Margin, in each case changing when and as the Alternate Base Rate changes.

“Floating Rate Advance” means an Advance which, except as otherwise provided in Section 2.12, bears interest at the Floating Rate.

“Floating Rate Loan” means a Loan which, except as otherwise provided in Section 2.12, bears interest at the Floating Rate.

“Foreign Lender” means any Lender that is organized under the laws of a jurisdiction other than that in which the Borrower is located.  For purposes of this definition, the United States of America, each State thereof and the District of Columbia shall be deemed to constitute a single jurisdiction.

“Foreign Subsidiary” means any Subsidiary which is not a Domestic Subsidiary.

“Fund” means any Person (other than a natural person) that is (or will be) engaged in making, purchasing, holding or otherwise investing in commercial loans and similar extensions of credit in the ordinary course of its business.

“Funded Debt” shall mean, with respect to any Person, without duplication, all Indebtedness for borrowed money evidenced by notes, bonds, debentures, or similar evidences of Indebtedness, and specifically including Capitalized Lease Obligations, current maturities of long-term debt, revolving credit and short-term debt extendible beyond one year at the option of the debtor, and also including, in the case of any Borrower, the funded Obligations.

“Funding Account” is defined in Section 2.5.

“GAAP” means generally accepted accounting principles as in effect from time to time, applied in a manner consistent with that used in preparing the financial statements referred to in Section 5.5.

“Governmental Authority” means the government of the United States of America, any other nation or any political subdivision thereof, whether state or local, and any agency, authority, instrumentality, regulatory body, court, central bank or other entity exercising executive, legislative, judicial, taxing, regulatory or administrative powers or functions of or pertaining to government.

“Guaranteed Obligations” is defined in Section 15.1.

“Guarantor” each Loan Party (other than the Borrower) and any other Person who becomes a Loan Party pursuant to a Joinder Agreement and their successors and assigns.

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“Guaranty” means Article XV of this Agreement which may be executed by any Guarantor from time to time hereunder.

“Heavy Component Inventory” means, Inventory of Borrower consisting of engines, compressors, frames, cylinders, coolers and other serial numbered components, including such items which are finished components comprising work-in-process which when completed will constitute Finished Goods Inventory or a Compression Unit but excluding spare or replacement parts, Compression Units and Finished Goods Inventory.

“Highest Lawful Rate” shall mean, on any day, the maximum nonusurious rate of interest permitted for that day by applicable federal or Texas law stated as a rate per annum.  On each day, if any, that Chapter 303 of the Texas Finance Code, as amended (formerly TEX. REV. CIV. STAT. ANN. ART. 5069-1D.003) establishes the Highest Lawful Rate, such rate shall be the “indicated (weekly) rate ceiling” (as defined in Chapter 303 of the Texas Finance Code, as amended) for that day.”

“Holdings” means USA Compression Holdings, LP, a Texas limited partnership.

“Indebtedness” of a Person means such Person’s (a) obligations for borrowed money, (b) obligations representing the deferred purchase price of Property or services (other than accounts payable arising in the ordinary course of such Person’s business payable on terms customary in the trade), (c) obligations, whether or not assumed, secured by Liens or payable out of the proceeds or production from Property now or hereafter owned or acquired by such Person, (d) obligations which are evidenced by notes, acceptances, or other instruments, (e) obligations of such Person to purchase securities or other Property arising out of or in connection with the sale of the same or substantially similar securities or Property or any other Off-Balance Sheet Obligations, (f) Capitalized Lease Obligations, (g) Contingent Obligations for which the underlying transaction constitutes Indebtedness under this definition, (h) the maximum available stated amount of all letters of credit or bankers’ acceptances created for the account of such Person and, without duplication, all reimbursement obligations with respect to letters of credit, (i) Rate Management Obligations, (j) obligations of such Person under any Sale and Leaseback Transaction, (k) obligations under any liquidated earn-out and (l) any other obligation for borrowed money or other financial accommodation which in accordance with GAAP would be shown as a liability on the consolidated balance sheet of such Person.  The Indebtedness of any Person shall include the Indebtedness of any other entity (including any partnership in which such Person holds a partnership interest) to the extent such Person is liable therefor as a result of such Person’s ownership interest in or other relationship with such entity, except to the extent the terms of such Indebtedness provide that such Person is not liable therefor.

“Indemnified Taxes” means Taxes other than Excluded Taxes.

“Intellectual Property Rights” means, with respect to any Person, all of such Person’s Patents, Copyrights, Trademarks, and Licenses, all other rights under any of the foregoing, all extensions, renewals, reissues, divisions, continuations and continuations-in-part of any of the foregoing, and all rights to sue for past, present, and future infringement of any of the foregoing.

“Interest Expense” means, with reference to any period, the interest expense of Holdings and its Subsidiaries (consolidated in accordance with GAAP) for such period.

“Interest Period” means with respect to any Eurodollar Borrowing, the period commencing on the date of such Borrowing and ending on the numerically corresponding day in the calendar month that is one, two, three or six months thereafter, as the Borrower may elect; provided, that (i) if any Interest Period would end on a day other than a Business Day, such Interest Period shall be extended to the next succeeding Business Day unless, in the case of a Eurodollar Borrowing only, such next succeeding Business Day would fall in the next calendar month, in which case such Interest Period shall end on the next preceding Business Day and (ii) any Interest Period pertaining to a Eurodollar Borrowing that commences on the last Business

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Day of a calendar month (or on a day for which there is no numerically corresponding day in the last calendar month of such Interest Period) shall end on the last Business Day of the last calendar month of such Interest Period.  For purposes hereof, the date of a Borrowing initially shall be the date on which such Borrowing is made and, in the case of a Revolving Borrowing, thereafter shall be the effective date of the most recent conversion or continuation of such Borrowing.

“Inventory” has the meaning specified in the Security Agreement.

“Investment” of a Person means any (a) loan, advance, extension of credit (other than accounts receivable arising in the ordinary course of business on terms customary in the trade) or contribution of capital by such Person, (b) stocks, bonds, mutual funds, partnership interests, notes, debentures, securities or other Capital Stock owned by such Person, (c) any deposit accounts and certificate of deposit owned by such Person, and (d) structured notes, derivative financial instruments and other similar instruments or contracts owned by such Person.

“Joinder Agreement” means a Joinder Agreement in substantially in the form of Exhibit F attached hereto.

“JPMorgan Chase Bank, N.A.” means JPMorgan Chase Bank, N.A, a national banking association, in its individual capacity, and its successors.

“LC Fee” is defined in Section 2.10(b).

“LC Issuer” means JPMorgan Chase Bank, N.A. (or any subsidiary or Affiliate of JPMorgan Chase Bank, N.A. designated by JPMorgan Chase Bank, N.A.) in its capacity as an issuer of Facility LCs hereunder.

“LC Obligations” means, at any time, the sum, without duplication, of (a) the aggregate undrawn stated amount under all Facility LCs outstanding at such time plus (b) the aggregate unpaid amount at such time of all Reimbursement Obligations.

“LC Payment Date” is defined in Section 2.1.2(d).

“Lenders” means the lending institutions listed on the signature pages of this Agreement and their respective successors and assigns.  Unless the context otherwise requires, the term “Lenders” includes the Swingline Lender.

“Lending Installation” means, with respect to a Lender, the LC Issuer, or the Agent, the office, branch, subsidiary or Affiliate of such Lender, LC Issuer or the Agent listed on the signature pages hereof or on a Schedule or otherwise selected by such Lender, the LC Issuer or the Agent pursuant to Section 2.23.

“Letter of Credit” of a Person means a letter of credit or similar instrument which is issued upon the application of such Person or upon which such Person is an account party or for which such Person is in any way liable.

“Leverage Ratio” means, on any date, the ratio of (a) Funded Debt on such date to (b) EBITDA for the period of four consecutive Fiscal Quarters ended on such date.

“Licenses” shall have the meaning given to such term in the Security Agreement.

“LIBO Rate” means, with respect to any Eurodollar Borrowing for any Interest Period, the rate appearing on Reuters Screen LIBOR01 Page (or on any successor or substitute page of such Service, or any successor to or substitute for such Service, providing rate quotations comparable to those currently provided on such page of such Service, as determined by the Agent from time to time for purposes of providing

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quotations of interest rates applicable to dollar deposits in the London interbank market) at approximately 11:00 a.m., London time, two Business Days prior to the commencement of such Interest Period, as the rate for dollar deposits with a maturity comparable to such Interest Period.  In the event that such rate is not available at such time for any reason, then the “LIBO Rate” with respect to such Eurodollar Borrowing for such Interest Period shall be the rate at which dollar deposits of $5,000,000 and for a maturity comparable to such Interest Period are offered by the principal London office of the Agent in immediately available funds in the London interbank market at approximately 11:00 a.m., London time, two Business Days prior to the commencement of such Interest Period.

“Lien” means any lien (statutory or other), mortgage, pledge, hypothecation, assignment, deposit arrangement, encumbrance or preference, priority or other security agreement or preferential arrangement of any kind or nature whatsoever (including, without limitation, the interest of a vendor or lessor under any conditional sale, Capitalized Lease or other title retention agreement).

“Loan Documents” means this Agreement, any Notes, the Facility LC Applications, the Collateral Documents, any Guaranty, the Collateral Assignment of Contracts, the Management Fee Subordination Agreement, and all other agreements, instruments, documents and certificates identified in Section 4.1 executed and delivered to, or in favor of, the Agent or any Lenders and including all other pledges, powers of attorney, consents, assignments, contracts, notices, letter of credit agreements and all other written matter whether heretofore, now or hereafter executed by or on behalf of any Loan Party, or any employee of any Loan Party, and delivered to the Agent or any Lender in connection with the Agreement.  Any reference in the Agreement or any other Loan Document to a Loan Document shall include all appendices, exhibits or schedules thereto, and all amendments, restatements, supplements or other modifications thereto, and shall refer to the Agreement or such Loan Document as the same may be in effect at any and all times such reference becomes operative.

“Loan Parties” means Holdings, the Borrower, the Borrower’s Subsidiaries and any other Person who becomes a party to this Agreement pursuant to a Joinder Agreement and their successors and assigns.

“Loans” means, with respect to a Lender, such Lender’s loans made pursuant to Article II (or any conversion or continuation thereof), including Swingline Loans, Non-Ratable Loans and Protective Advances.

“Managing General Partner” means R/C IV USA COMPRESSION PARTNERS GP, LLC, a Delaware limited liability company.

“Managing General Partner Limited Liability Company Agreement” means that certain limited liability company agreement of Managing General Partner, as the same may be amended, modified or supplemented from time to time in accordance with the terms hereof.

“Management Agreement” shall mean that certain Management Agreement, dated as of December 23, 2010 by and between Riverstone/Carlyle Management LP, a Delaware limited partnership and Riverstone Holdings.

“Management Fees” shall mean the Annual Management Fee and the Transaction Fee (but excluding any Transaction Fees that are either (i) netted against the Management Equity Proceeds prior to such Management Equity Proceeds being contributed to Holdings or Borrower or (ii) paid with Management Equity Proceeds within two (2) Business Days after such Management Equity Proceeds were contributed to Borrower) to the extent paid in cash to Riverstone, to the extent such management fees are paid in accordance with the terms and conditions of each of Section 6.16 hereof, the Management Fee Subordination Agreement, and the Management Agreement, as applicable.

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“Management Fee Subordination Agreement” shall mean the Management Fee Subordination Agreement of even date herewith by and among Riverstone Acquisition, the Borrower, and Agent, for the benefit of the Agent and the Lenders, as the same may be amended, modified or supplemented from time to time.

“Master Lease Agreement” means that certain Gas Compressor Equipment Master Lease Agreement between USA Compression Partners and USAC Leasing, dated as of October 10, 2008, as the same may be amended, modified or supplemented from time to time.

“Material Adverse Effect” means a material adverse effect on (a) the business, Property, condition (financial or otherwise) or results of operations of Holdings and its Subsidiaries taken as a whole, (b) the ability of any Loan Party to perform its obligations under the Loan Documents to which it is a party, (c) the Collateral, or the Agent’s Liens (on behalf of itself and the Lenders) on the Collateral or the priority of such Liens, (d) the validity or enforceability of any of the Loan Documents or the rights or remedies of the Agent, the LC Issuer or the Lenders thereunder or (e) the rights of, or benefits available to, the Lenders under this Agreement and the other Loan Documents.

“Material Indebtedness” means Indebtedness in an outstanding principal amount of $5,000,000 or more in the aggregate (or the equivalent thereof in any currency other than U.S. dollars).

“Material Indebtedness Agreement” means any agreement under which any Material Indebtedness was created or is governed or which provides for the incurrence of Indebtedness in an amount which would constitute Material Indebtedness (whether or not an amount of Indebtedness constituting Material Indebtedness is outstanding thereunder).

“Modify” and “Modification” are defined in Section 2.1.2(a).

“Moody’s” means Moody’s Investors Service, Inc.

“Multiemployer Plan” means a multiemployer plan as defined in Section 4001(a)(3) of ERISA.

“Net Cash Proceeds” means, if in connection with (a) an asset disposition, cash proceeds net of (i) commissions and other reasonable and customary transaction costs, fees and expenses properly attributable to such transaction and payable by such Loan Party in connection therewith (in each case, paid to non-Affiliates), (ii) transfer taxes, (iii) amounts payable to holders of senior Liens on such asset (to the extent such Liens constitute Permitted Liens hereunder), if any, and (iv) an appropriate reserve for income taxes in accordance with GAAP established in connection therewith, (b) the issuance or incurrence of Indebtedness, cash proceeds net of attorneys’ fees, investment banking fees, accountants’ fees, underwriting discounts and commissions and other customary fees and expenses actually incurred in connection therewith or, (c) an equity issuance, cash proceeds net of underwriting discounts and commissions and other reasonable costs paid to non-Affiliates in connection therewith.

“Net Income” means, for any period, the consolidated net income (or loss) for such period of Holdings and its Subsidiaries consolidated in accordance with GAAP; provided that there shall be excluded, to the extent otherwise included in the determination of net income, (a) the income (or loss) of any Person accrued prior to the date it becomes a Subsidiary or is merged into or consolidated with Holdings or any of its Subsidiaries, (b) the income (or loss) of any Person (other than a Subsidiary) in which Holdings or any of its Subsidiaries has an ownership interest, except to the extent that any such income is actually received by Holdings or Subsidiary in the form of dividends or similar distributions and (c) additions to undistributed earnings of any Subsidiary to the extent that the declaration or payment of dividends or similar distributions by such Subsidiary in respect of such additions is at the time of the determination of net income, and to the extent thereof, prohibited by the terms of any contractual obligation (other than under any Loan Document) or Requirement of Law applicable to such Subsidiary.

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“Net Orderly Liquidation Value” means the estimated amount expressed in U.S. dollars which the Compression Units that are the subject of the Approved Appraiser’s report would typically realize, net of the occupancy and liquidation costs through one sale process, which may consist of one or more privately negotiated sales, properly advertised and professionally managed, by a seller obligated to sell the subject equipment over a period of between six and nine months from the effective date of such Approved Appraiser’s report.  For the purposes of determining such Net Orderly Liquidation Value, the Approved Appraiser will include in the determination thereof the rental or lease income stream and/or the service fees related to such Compression Units for a six (6) month liquidation period.

“Non-Ratable Loan” and “Non-Ratable Loans” are defined in Section 2.1.4.

“Note” is defined in Section 2.22(d).

“Obligations” means all unpaid principal of and accrued and unpaid interest on the Loans, all LC Obligations, all accrued and unpaid fees and all expenses, reimbursements, indemnities and other obligations of the Loan Parties to the Lenders or to any Lender, the Agent, the LC Issuer or any indemnified party arising under the Loan Documents.

“Off-Balance Sheet Liability” of a Person means (a) any repurchase obligation or liability of such Person with respect to accounts or notes receivable sold by such Person, (b) any indebtedness, liability or obligation under any Sale and Leaseback Transaction which is not a Capitalized Lease, (c) any indebtedness, liability or obligation under any so-called “synthetic lease” transaction entered into by such Person, or (d) any indebtedness, liability or obligation arising with respect to any other transaction which is the functional equivalent of or takes the place of borrowing but which does not constitute a liability on the balance sheets of such Person, but excluding from this clause (d) Operating Leases.

“Opco LLC Agreement” means that certain Limited Liability Company Agreement of USA Compression Partners, dated as of October 10, 2008, as the same may be amended, modified, or supplemented from time to time in accordance with the terms hereof.

“Operating Lease” of a Person means any lease of Property (other than a Capitalized Lease) by such Person as lessee which has an original term (including any required renewals and any renewals effective at the option of the lessor) of one year or more.

“Operating Lease Obligations” means, as at any date of determination, the amount obtained by aggregating the present values, determined in the case of each particular Operating Lease by applying a discount rate (which discount rate shall equal the discount rate which would be applied under GAAP if such Operating Lease were a Capitalized Lease) from the date on which each fixed lease payment is due under such Operating Lease to such date of determination, of all fixed lease payments due under all Operating Leases of the Borrower and its Subsidiaries.

“Original Loan Agreement” is defined in the recitals hereto.

“Other Taxes” means any and all present or future stamp or documentary taxes or any other excise or property taxes, charges or similar levies arising from any payment made hereunder or from the execution, delivery or enforcement of, or otherwise with respect to, this Agreement.

“Participants” is defined in Section 12.2(a).

“Partnership Agreement” means that certain Limited Partnership Agreement of Holdings dated as of December 23, 2010, as the same may be amended, modified or supplemented from time to time in accordance with the terms hereof.

“Patents” shall have the meaning given to such term in the Security Agreement.

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“Payment Date” means (a) with respect to interest payments due on any Floating Rate Loan (other than a Swingline Loan), the first day of each calendar month and the Facility Termination Date, (b) with respect to interest payments due on any Eurodollar Loan, (i) the last day of the applicable Interest Period and (ii) in the case of any Interest Period in excess of three months, the day which is three months after the first day of such Interest Period, and (iii) the Facility Termination Date, (c) with respect to any payment of LC Fees or Unused Commitment Fees, the first day of each calendar month and the Facility Termination Date, and (d) with respect to any Swingline Loan, the day that such Loan is required to be repaid and the Facility Termination Date.

“PBGC” means the Pension Benefit Guaranty Corporation referred to and defined in ERISA and any successor entity performing similar functions.

“Permitted Discretion” means a determination made in good faith and in the exercise of reasonable (from the perspective of a secured asset-based lender) business judgment.

“Permitted Liens” is defined in Section 6.22.

“Person” means any natural person, corporation, firm, joint venture, partnership, limited liability company, association, enterprise, trust or other entity or organization, or any government or political subdivision or any agency, department or instrumentality thereof.

“Plan” means an employee pension benefit plan which is covered by Title IV of ERISA or subject to the minimum funding standards under Section 412 of the Code as to which the Borrower or any ERISA Affiliate may have any liability.

“Pledge Agreement” means that certain Pledge Agreement among USA Compression Partners, Holdings and the Agent dated as of October 10, 2008.

“Pricing Schedule” means the Schedule attached hereto identified as such.

“Prime Rate” means the rate of interest per annum publicly announced from time to time by Chase as its prime rate at its offices at 270 Park Avenue in New York City; each change in the Prime Rate shall be effective from and including the date such change is publicly announced as being effective.

“Property” of a Person means any and all property, whether real, personal, tangible, intangible, or mixed, of such Person, or other assets owned, leased or operated by such Person.

“Pro Rata Share” means, with respect to any Lender, (a) with respect to Revolving Loans, LC Obligations, Swingline Loans, Non-Ratable Loans or Protective Advances or with respect to all Credit Extensions in the aggregate prior to the Facility Termination Date, a portion equal to a fraction the numerator of which is such Lender’s Commitment and the denominator of which is the Aggregate Commitment of all Lenders; provided that in the case of Section 2.24 when a Defaulting Lender shall exist, any such Defaulting Lender’s Commitment shall be disregarded in the calculation, and (b) with respect to Protective Advances or with respect to all Credit Extensions in the aggregate after the Facility Termination Date, a portion equal to a fraction the numerator of which is such Lender’s Credit Exposure and the denominator of which is the Aggregate Credit Exposure of all Lenders; provided that in the case of Section 2.24 when a Defaulting Lender shall exist, any such Defaulting Lender’s Commitment shall be disregarded in the calculation.

“Protective Advances” is defined in Section 2.1.5.

“Purchasers” is defined in Section 12.3(a).

“Rate Management Obligations” of a Person means any and all obligations of such Person, whether absolute or contingent and howsoever and whensoever created, arising, evidenced or acquired (including all

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renewals, extensions and modifications thereof and substitutions therefor), under (a) any and all Rate Management Transactions, and (b) any and all cancellations, buy backs, reversals, terminations or assignments of any Rate Management Transactions.

“Rate Management Transaction” means any transaction (including an agreement with respect thereto) now existing or hereafter entered by any Loan Party which is a rate swap, basis swap, forward rate transaction, commodity swap, commodity option, equity or equity index swap, equity or equity index option, bond option, interest rate option, foreign exchange transaction, cap transaction, floor transaction, collar transaction, forward transaction, currency swap transaction, cross-currency rate swap transaction, currency option or any other similar transaction (including any option with respect to any of these transactions) or any combination thereof, whether linked to one or more interest rates, foreign currencies, commodity prices, equity prices or other financial measures.

“Register” is defined in Section 12.3(d).

“Regulation D” means Regulation D of the Board of Governors of the Federal Reserve System as from time to time in effect and any successor thereto or other regulation or official interpretation of said Board of Governors relating to reserve requirements applicable to member banks of the Federal Reserve System.

“Regulation U” means Regulation U of the Board of Governors of the Federal Reserve System as from time to time in effect and any successor or other regulation or official interpretation of said Board of Governors relating to the extension of credit by banks for the purpose of purchasing or carrying margin stocks applicable to member banks of the Federal Reserve System.

“Reimbursement Obligations” means, at any time, the aggregate of all obligations of the Borrower then outstanding under Section 2.1.2 to reimburse the LC Issuer for amounts paid by the LC Issuer in respect of any one or more drawings under Facility LCs.

“Reportable Event” means a reportable event as defined in Section 4043 of ERISA and the regulations issued under such section, with respect to a Plan, excluding, however, such events as to which the PBGC has by regulation waived the requirement of Section 4043(a) of ERISA that it be notified within thirty days of the occurrence of such event, provided however, that a failure to meet the minimum funding standard of Section 412 of the Code and of Section 302 of ERISA shall be a Reportable Event regardless of the issuance of any such waiver of the notice requirement in accordance with either Section 4043(a) of ERISA or Section 412(d) of the Code.

“Reports” means reports prepared by JPMorgan Chase Bank, N.A. or another Person showing the results of appraisals, field examinations or audits pertaining to the Borrower’s assets from information furnished by or on behalf of the Borrower, after JPMorgan Chase Bank, N.A. has exercised its rights of inspection pursuant to this Agreement, which Reports may be distributed to the Lenders by JPMorgan Chase Bank, N.A. and such appraisals (but not the field examinations or audits) shall be delivered to the Borrower

“Required Lenders” means Lenders in the aggregate having at least 50.1% of the Aggregate Commitment or, if the Aggregate Commitment has been terminated, Lenders in the aggregate holding at least 50.1% of the Aggregate Credit Exposure.

“Reserve Requirement” means, with respect to an Interest Period, the maximum aggregate reserve requirement (including all basic, supplemental, marginal and other reserves) which is imposed under Regulation D on Eurocurrency liabilities.

“Reserves” means any and all reserves which the Agent deems necessary, in its Permitted Discretion, to maintain (including, without limitation, reserves for accrued and unpaid interest on the Secured Obligations, Banking Services Reserves, reserves for rent at locations leased by any Loan Party and for

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consignee’s, warehousemen’s and bailee’s charges, reserves for dilution of Accounts, reserves for Inventory shrinkage, reserves for customs charges and shipping charges related to any Inventory in transit, reserves for Rate Management Transactions, reserves for contingent liabilities of any Loan Party, reserves for uninsured losses of any Loan Party and reserves for taxes, fees, assessments, and other governmental charges) with respect to the Collateral or any Loan Party.

“Revolving Loans” means the revolving loans extended by the Lenders to the Borrower pursuant to Section 2.1.1 hereof.

“Riverstone” means Riverstone Holdings LLC and/or one or more of its Affiliates.

“Riverstone Acquisition” is defined in the recitals of this Agreement.

“Riverstone Acquisition Agreement” is defined in the recitals of this Agreement.

“Riverstone Acquisition Documents” means the Riverstone Acquisition Agreement, the escrow agreement executed in connection therewith (the “Escrow Agreement”), and all other instruments, documents and agreements executed in connection with the Riverstone Acquisition, as the same may be amended, restated or otherwise modified in accordance with the terms hereof; but excluding all Loan Documents.

“Riverstone Holdings” is defined in the recitals of this Agreement.

“S&P” means Standard and Poor’s Ratings Services, a division of The McGraw Hill Companies, Inc.

“Sale and Leaseback Transaction” means any sale or other transfer of Property by any Person with the intent to lease such Property as lessee.

“Schedule” refers to a specific schedule to this Agreement, unless another document is specifically referenced.

“Section” means a numbered section of this Agreement, unless another document is specifically referenced.

“Secured Obligations” means, collectively, (i) the Obligations; (ii) all Banking Services Obligations; and (iii) all Rate Management Obligations owing to one or more Lenders or their respective Affiliates, provided that at or prior to the time that any Rate Management Transaction relating to such Rate Management Obligation is executed, the Lender party thereto (other than JPMorgan Chase Bank, N.A.) shall have delivered written notice to the Agent that such a Rate Management Transaction has been entered into and that it constitutes a Secured Obligation entitled to the benefits of the Collateral Documents.

“Security Agreement” means that certain Second Amended and Restated Security Agreement, dated July 20, 2004, between the Loan Parties and the Agent, for the benefit of the Agent and the Lenders, and any other pledge or security agreement entered into, after the Closing Date by any other Loan Party (as required by this Agreement or any other Loan Document), or any other Person, as the same may be amended, restated or otherwise modified from time to time.

“Sellers” is defined in the recitals of this Agreement.

“Settlement” is defined in Section 2.20.

“Settlement Date” is defined in Section 2.21.

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“Single Employer Plan” means a Plan maintained by the Borrower or any ERISA Affiliate for employees of the Borrower or any ERISA Affiliate.

“Specified Equity Contribution” is defined in Section 6.29.3.

“Stated Rate” is defined in Section 2.25.

“Statutory Reserve Rate” means a fraction (expressed as a decimal), the numerator of which is the number one and the denominator of which is the number one minus the aggregate of the maximum reserve percentages (including any marginal, special, emergency or supplemental reserves) expressed as a decimal established by the Board to which the Agent is subject with respect to the Adjusted LIBO Rate, for eurocurrency funding (currently referred to as “Eurocurrency Liabilities” in Regulation D of the Board).  Such reserve percentages shall include those imposed pursuant to such Regulation D.  Eurodollar Loans shall be deemed to constitute eurocurrency funding and to be subject to such reserve requirements without benefit of or credit for proration, exemptions or offsets that may be available from time to time to any Lender under such Regulation D or any comparable regulation.  The Statutory Reserve Rate shall be adjusted automatically on and as of the effective date of any change in any reserve percentage.

“Subordinated Indebtedness” of a Person means any Indebtedness of such Person the payment of which is subordinated to payment of the Secured Obligations to the written satisfaction of the Agent.

“Subsidiary” of a Person means, any corporation, partnership, limited liability company, association, joint venture or similar business organization more than 50% of the outstanding Capital Stock having ordinary voting power of which shall at the time be owned or controlled by such Person.  Unless otherwise expressly provided, all references herein to a “Subsidiary” shall mean a Subsidiary of Holdings.

“Substantial Portion” means Property which represents more than 10% of the consolidated assets of the Borrower and its Subsidiaries or property which is responsible for more than 10% of the consolidated net sales or of the consolidated net income of the Borrower and its Subsidiaries, in each case, as would be shown in the consolidated financial statements of the Borrower and its Subsidiaries as at the beginning of the twelve-month period ending with the month in which such determination is made (or if financial statements have not been delivered hereunder for that month which begins the twelve-month period, then the financial statements delivered hereunder for the quarter ending immediately prior to that month).

“Supporting Letter of Credit” is defined in Section 2.1.2(l).

“Swingline Exposure” means, at any time, the sum of the aggregate undrawn amount of all outstanding Swingline Loans at such time.  The Swingline Exposure of any Lender at any time shall be its Pro Rata Share of the total Swingline Exposure at such time.

“Swingline Lender” means JPMorgan Chase Bank, N.A., in its capacity as lender of Swingline Loans hereunder.

“Swingline Loan” means a Loan made pursuant to Section 2.1.3.

“Taxes” means any and all present or future taxes, levies, imposts, duties, deductions, charges or withholdings imposed by any Governmental Authority, and any and all liabilities with respect to the foregoing.

“Tax Distributions” means, for any calendar year or portion thereof of Holdings during which Holdings is a pass-through entity for United States federal income tax purposes (including, for the avoidance of doubt, a disregarded entity not treated as separate from its owner), payments and distributions that are distributed from Holdings or its Subsidiaries to USA Compression Holdings LLC (or any successor) to enable the owners of USA Compression Holdings LLC and/or their beneficial owners, as applicable, to make

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payments of U.S. federal, state, foreign and local income taxes (including estimates therefore) as a result of Holdings and its Subsidiaries’ operations during such calendar year or portion thereof based on an assumed tax rate that is the same for each member of USA Compression Holdings LLC (and/or its beneficial owners, as applicable) and that is the greater of the highest stated marginal income tax rate that is applicable to individuals or U.S. corporations (based on the income and operations generated by Holdings and its Subsidiaries) and which takes into account the greater of the highest marginal income tax rate applicable to individuals or U.S. corporations for ordinary income or capital gain depending on the character of Holdings and its Subsidiaries’ income and gain and takes into account the deductibility of state and local income taxes when computing federal taxable income if such taxes continue to be deductible.

“Trademarks” shall have the meaning given to such term in the Security Agreement.

“Transferee” is defined in Section 12.4.

“Type”, when used in reference to any Loan or Borrowing, refers to whether the rate of interest on such Loan, or on the Loans comprising such Borrowing, is determined by reference to the Adjusted LIBO Rate or the Alternate Base Rate.

“UCC” means the Uniform Commercial Code as in effect from time to time in the State of Texas or any other state the laws of which are required to be applied in connection with the issue of perfection of security interests.

“Unfinanced Portion of Capital Expenditures” means, for any period, the sum of:

(i)            (A)          the total of all Inventory purchases during such period (other than those described in subparagraph (ii) below) multiplied by the difference between 100%, and the applicable advance rate on the Borrowing Base for that category of Inventory (provided that Finished Goods Inventory shall be treated as if the Compression Units Advance Rate Percentage would be applicable),

(B)           minus the dollar amount of Inventory transferred to Finished Goods Inventory and/or Compression Units during such period multiplied by the difference between the Compression Units Advance Rate Percentage and the applicable advance rate on the Borrowing Base for that category of Inventory;

(ii)           plus twenty percent (20%) of Capital Expenditures during such period for the overhaul, refurbishment or other maintenance of Eligible Compression Units in the ordinary course of business consistent with past practices,

(iii)          plus the unfinanced portion of any other Capital Expenditures during such period.

“Unfunded Liabilities” means the amount (if any) by which the present value of all vested and unvested accrued benefits under all Single Employer Plans exceeds the fair market value of all such Plan assets allocable to such benefits, all determined as of the then most recent valuation date for such Plans using PBGC actuarial assumptions for single employer plan terminations.

“Unmatured Default” means an event which but for the lapse of time or the giving of notice, or both, would constitute a Default.

“Unused Commitment Fee” is defined in Section 2.10(a).

“U.S.” means the United States of America.

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“USAC Leasing” means USAC Leasing, LLC, a Delaware limited liability company.

“USA Compression Partners” means USA Compression Partners, LLC, a Delaware limited liability company.

“Utilization” means, for any Fiscal Month, the ratio, determined as of the last day of such Fiscal Month, of (x) the total horsepower of Borrower’s Compression Units that are either:  (i) leased or rented to customers or under contract to lease or rent duly executed by a customer or (ii) used by Borrower to provide compression services to customers under service contracts or designated by Borrower for use under a contract to furnish service duly executed by a customer to (y) the total horsepower of Borrower’s Compression Units and Finished Goods Inventory, excluding therefrom any Compression Units that are being repaired or refurbished.

“Valuation Date” means, with respect to an Appraised Value Report, September 30, and with respect to an Appraised Value Report Desk Review, March 31.

“Wholly-Owned Subsidiary” of a Person means, any Subsidiary all of the outstanding Capital Stock of which shall at the time be owned or controlled, directly or indirectly, by such Person or one or more Wholly-Owned Subsidiaries of such Person, or by such Person and one or more Wholly-Owned Subsidiaries of such Person.

The foregoing definitions shall be equally applicable to both the singular and plural forms of the defined terms.

ARTICLE II

THE FACILITY

2.1.          The Facility.  As of December 21, 2010, the aggregate unpaid principal balance of all Advances made to the Borrower pursuant to the Original Loan Agreement was $247,522,205.55, and such amount is unconditionally owed by the Borrower to Lenders, without offset, defense or counterclaim of any kind, nature or description whatsoever.  Each Lender severally agrees, on the terms and conditions set forth in this Agreement, to (a) make Loans to the Borrower as set forth below and (b) participate in Facility LCs issued upon the request of the Borrower, provided that, after giving effect to the making of each such Loan and the issuance of each such Facility LC, such Lender’s Credit Exposure shall not exceed its Commitment; provided further, that the Aggregate Credit Exposure shall not exceed the Aggregate Commitment. The LC Issuer will issue Facility LCs hereunder on the terms and conditions set forth in Section 2.1.2. The Facility shall be composed of Revolving Loans, Swingline Loans, Non-Ratable Loans, Protective Advances, and Facility LCs as set forth below:

2.1.1.       Revolving Loans.

(a)           Amount.  (i) From and including the Effective Date and prior to the Facility Termination Date, each Lender severally agrees, on the terms and conditions set forth in this Agreement, to make revolving loans (the “Revolving Loans”) and participate in Facility LCs issued as set forth in Section 2.1.2 below, to the Borrower, in amounts not to exceed such Lender’s Pro Rata Share.  If any advance of a Revolving Loan or participation in a Facility LC would exceed Availability, the Lenders will refuse to make or may otherwise restrict the making of Revolving Loans or the issuance of Facility LCs as the Required Lenders determine until such excess has been eliminated, subject to the Agent’s authority, in its sole discretion, to make Protective Advances pursuant to the terms of Section 2.1.5.  The Revolving Loans may consist of Floating Rate Advances or Eurodollar Advances, or a combination thereof, selected by the Borrower in accordance with Sections 2.1.1(b) and 2.7.

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Subject to the terms of this Agreement, the Borrower may borrow, repay and reborrow Revolving Loans at any time prior to the Facility Termination Date.  The Commitments to extend credit under this Section 2.1.1(a) shall expire on the Facility Termination Date.

(ii)           Increase in Aggregate Commitment.  In the event that a Lender desires to increase its Commitment, or a bank or other entity that is not a Lender desires to become a Lender and provide an additional Commitment hereunder, and so long as no Default or Event of Default shall have occurred and be continuing and with the prior written consent of Agent, the Borrower shall have the right from time to time prior to the Facility Termination Date upon not less than thirty (30) days’ prior written notice to Agent to increase the Aggregate Commitment by an aggregate amount of up to $50,000,000 (subject to the terms and conditions set forth herein, “Commitment Adjustment Event”); provided, that in no event shall the Aggregate Commitment be increased to an amount greater than $400,000,000; provided, further, that:

(1)           if the Borrower and a Lender elect to increase such Lender’s Commitment, the Borrower and such Lender shall execute and deliver to the Agent a certificate substantially in the form of Exhibit I attached hereto (a “Commitment Increase Certificate”, and the Borrower shall deliver a new Note payable to the order of such Lender in the principal amount equal to its Commitment after giving effect to such increase, and otherwise duly completed;

(2)           if the Borrower elects to increase the Aggregate Commitment by causing a bank or financial institution that at such time is not a Lender to become a Lender (an “Additional Lender”), the Borrower and such Additional Lender shall execute and deliver to the Agent, a certificate substantially in the form of Exhibit J hereto) (an “Additional Lender Certificate”), together with an Administrative Questionnaire as referred to in Exhibit G, and the Borrower shall deliver a Note payable to the order of such Additional Lender in a principal amount equal to its Commitment, and otherwise duly completed; provided that, any such Additional Lender shall be approved by the Agent (which approval shall not be unreasonably withheld or delayed) prior to such bank or financial institution becoming an Additional Lender hereunder.

(3)           subject to acceptance and recording thereof pursuant to this subsection (ii) hereof, from and after the effective date specified in the Commitment Increase Certificate or the Additional Lender Certificate, as applicable (or if any Eurodollar Advance is outstanding, then on the last day of the Interest Period in respect of such Eurodollar Advance, unless the Borrower has paid compensation required with respect to such Eurodollar Advance):  (a) the amount of the Aggregate Commitment, and the Commitment, shall be increased by the amount set forth therein, and (b) in the case of an Additional Lender Certificate, any Additional Lender party thereto shall be a party to this Agreement and the other Loan Documents and have the rights and obligations of a Lender under this Agreement and the other Loan Documents.  In addition, the Lender party to the Commitment Increase Certificate or Additional Lender, as applicable, shall purchase a pro rata portion of the outstanding Loans (and participation interests in Letters of Credit) of each of the other lenders (and such Lenders hereby agree to sell and to take all such further action to effectuate such

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sale) such that each Lender (including any Additional Lender, if applicable) shall hold its respective percentage of the outstanding Loans (and participation interests) after giving effect to the increase in the Aggregate Commitment; and

(4)           upon its receipt of a duly completed Commitment Increase Certificate or an Additional Lender Certificate, as applicable, executed by the Borrower and the Lender or the Additional Lender party thereto, as applicable, and, with respect to an Additional Lender, the Administrative Questionnaire referred to in Exhibit G, the Agent shall accept such Commitment Increase Certificate or Additional Lender Certificate and record the information contained therein in the Register maintained by the Agent pursuant to Section 12.3(d).  No increase in the Aggregate Commitment shall be effective for purposes of this Agreement unless it has been recorded in the Register as provided in this Section 12.3(d).

(b)           Borrowing Procedures.  The Borrower shall select the Type of Advance and, in the case of each Eurodollar Advance, the Interest Period applicable thereto, from time to time. The Borrower shall give the Agent irrevocable notice (a “Borrowing Notice”) not later than 10:00 a.m. (Chicago time) one Business Day prior to the Borrowing Date of each Floating Rate Advance (except that if the Borrowing Date is a Settlement Date, the Borrower may give such Borrowing Notice on such date) and three Business Days before the Borrowing Date for each Eurodollar Advance, specifying (in the form of Exhibit A for Eurodollar Advances): (1) the Borrowing Date, which shall be a Business Day, of such Advance, (2) the aggregate amount of such Advance, (3) the Type of Advance selected; provided that, if such Borrower fails to specify the Type of Advance requested, such request shall be deemed a request for a Floating Rate Advance; and (4) the duration of the Interest Period if the Type of Advance requested is a Eurodollar Advance; provided that, if such Borrower fails to select the duration of the Interest Period for the requested Eurodollar Advance, such Borrower shall be deemed to have requested that such Eurodollar Advance be made with an Interest Period of one month.

(c)           The Agent’s Election.  Promptly after receipt of a Borrowing Notice (or telephonic notice in lieu thereof) of a requested Floating Rate Advance, the Agent shall elect in its discretion to have the terms of Section 2.1.1(d) (pro rata advance by all Lenders) or Section 2.1.4 (advance by the Agent, in the form of a Non-Ratable Loan, on behalf of the Lenders) apply to such requested Advance.

(d)           Pro Rata Advance.  Unless the Agent elects to have the terms of Section 2.1.4 apply to a requested Floating Rate Advance or if a requested Advance is for a Eurodollar Advance, then promptly after receipt of a Borrowing Notice or telephonic notice in lieu thereof as permitted by Section 2.8, the Agent shall notify the Lenders by telecopy, telephone, or e-mail of the requested Advance.  Not later than noon (Chicago time) on each Borrowing Date, each Lender shall make available its Revolving Loan in funds immediately available in Chicago to the Agent and the Agent will make the funds so received from the Lenders available to the Borrower at the Borrower’s Funding Account as set forth in Section 2.5.

2.1.2.       Facility LCs.

(a)           Issuance.  The LC Issuer hereby agrees, on the terms and conditions set forth in this Agreement, to issue standby and commercial Letters of Credit (each, a “Facility LC”) and to renew, extend, increase, decrease or otherwise modify each Facility LC

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(“Modify,” and each such action a “Modification”), from time to time from and including the Effective Date and prior to the Facility Termination Date upon the request and for the account of the Borrower; provided that, the maximum face amount of the Facility LC to be issued or Modified, does not exceed the lesser of (i) an amount equal to $20,000,000 minus the sum of (1) the aggregate undrawn amount of all outstanding Facility LCs at such time plus, without duplication, (2) the aggregate unpaid Reimbursement Obligations with respect to all Facility LCs outstanding at such time and (ii) Availability.  No Facility LC shall have an expiry date later than the earlier of (x) the thirtieth (30th) Business Day prior to the Facility Termination Date and (y) one year after its issuance; provided that any Letter of Credit with a one-year tenor may provide for the renewal thereof for additional one-year periods (which shall in no event extend beyond the date referred to in clause (x) above).

(b)           Participations.  Upon the issuance or Modification by the LC Issuer of a Facility LC in accordance with this Section 2.1.2, the LC Issuer shall be deemed, without further action by any party hereto, to have unconditionally and irrevocably sold to each Lender, and each Lender shall be deemed, without further action by any party hereto, to have unconditionally and irrevocably purchased from the LC Issuer, a participation in such Facility LC (and each Modification thereof) and the related LC Obligations in proportion to its Pro Rata Share.

(c)           Notice.  Subject to Section 2.1.2(a), the Borrower shall give the LC Issuer notice prior to 10:00 a.m. (Chicago time) at least three Business Days prior to the proposed date of issuance or Modification of each Facility LC, specifying the beneficiary, the proposed date of issuance (or Modification) and the expiry date of such Facility LC, and describing the proposed terms of such Facility LC and the nature of the transactions proposed to be supported thereby.  Upon receipt of such notice, the LC Issuer shall promptly notify the Agent, and the Agent shall promptly notify each Lender, of the contents thereof and of the amount of such Lender’s participation in such proposed Facility LC.  The issuance or Modification by the LC Issuer of any Facility LC shall, in addition to the conditions precedent set forth in Article IV (the satisfaction of which the LC Issuer shall have no duty to ascertain), be subject to the conditions precedent that such Facility LC shall be satisfactory to the LC Issuer and that the Borrower shall have executed and delivered such application agreement and/or such other instruments and agreements relating to such Facility LC as the LC Issuer shall have reasonably requested (each, a “Facility LC Application”).  In the event of any conflict between the terms of this Agreement and the terms of any Facility LC Application, the terms of this Agreement shall control.

(d)           Administration; Reimbursement by Lenders.  Upon receipt from the beneficiary of any Facility LC of any demand for payment under such Facility LC, the LC Issuer shall notify the Agent and the Agent shall promptly notify the Borrower and each other Lender as to the amount to be paid by the LC Issuer as a result of such demand and the proposed payment date (the “LC Payment Date”).  The responsibility of the LC Issuer to the Borrower and each Lender shall be only to determine that the documents (including each demand for payment) delivered under each Facility LC in connection with such presentment shall be in conformity in all material respects with such Facility LC.  The LC Issuer shall endeavor to exercise the same care in the issuance and administration of the Facility LCs as it does with respect to letters of credit in which no participations are granted, it being understood that in the absence of any gross negligence or willful misconduct by the LC Issuer, each Lender shall be unconditionally and irrevocably liable without regard to the occurrence of any Default or any condition precedent whatsoever, to reimburse the LC Issuer on demand for (i) such Lender’s Pro Rata Share of the amount of each payment made by the LC Issuer under each Facility LC to the extent such amount is not reimbursed by the Borrower pursuant to Section 2.1.2(e) below, plus (ii) interest on the foregoing amount to be

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reimbursed by such Lender, for each day from the date of the LC Issuer’s demand for such reimbursement (or, if such demand is made after 11:00 a.m. (Chicago time) on such date, from the next succeeding Business Day) to the date on which such Lender pays the amount to be reimbursed by it, at a rate of interest per annum equal to the Federal Funds Effective Rate for the first three days and, thereafter, at a rate of interest equal to the rate applicable to Floating Rate Advances.

(e)           Reimbursement by Borrower.  The Borrower shall be irrevocably and unconditionally obligated to reimburse the LC Issuer on or before the applicable LC Payment Date for any amounts to be paid by the LC Issuer (i) immediately upon any drawing under any Facility LC by Borrower automatically (and without any notice required to Agent) requesting a Revolving Loan so long as the conditions set forth in Section 4.2 are satisfied or (ii) within one Business Day of any drawing under any Facility LC, in each case, without presentment, demand, protest or other formalities of any kind; provided that, neither the Borrower nor any Lender shall hereby be precluded from asserting any claim for direct (but not consequential) damages suffered by the Borrower or such Lender to the extent, but only to the extent, caused by (i) the willful misconduct or gross negligence of the LC Issuer in determining whether a request presented under any Facility LC issued by it complied with the terms of such Facility LC or (ii) the LC Issuer’s failure to pay under any Facility LC issued by it after the presentation to it of a request strictly complying with the terms and conditions of such Facility LC.  All such amounts paid by the LC Issuer and remaining unpaid by the Borrower shall bear interest, payable on demand, for each day until paid at a rate per annum equal to (x) the rate applicable to Floating Rate Advances for such day if such day falls on or before the applicable LC Payment Date and (y) the sum of 2% plus the rate applicable to Floating Rate Advances for such day if such day falls after such LC Payment Date.  The LC Issuer will pay to each Lender ratably in accordance with its Pro Rata Share all amounts received by it from the Borrower for application in payment, in whole or in part, of the Reimbursement Obligation in respect of any Facility LC issued by the LC Issuer, but only to the extent such Lender has made payment to the LC Issuer in respect of such Facility LC pursuant to Section 2.1.2(d).  Subject to the terms and conditions of this Agreement (including without limitation the submission of a Borrowing Notice in compliance with Section 2.1.1(b) and the satisfaction of the applicable conditions precedent set forth in Article IV), the Borrower may request an Advance hereunder for the purpose of satisfying any Reimbursement Obligation.

(f)            Obligations Absolute.  The Borrower’s obligations under this Section 2.1.2 shall be absolute and unconditional under any and all circumstances and irrespective of any setoff, counterclaim or defense to payment which the Borrower may have or have had against the LC Issuer, any Lender or any beneficiary of a Facility LC.  The Borrower further agrees with the LC Issuer and the Lenders that the LC Issuer and the Lenders shall not be responsible for, and the Borrower’s Reimbursement Obligation in respect of any Facility LC shall not be affected by, among other things, the validity or genuineness of documents or of any endorsements thereon, even if such documents should in fact prove to be in any or all respects invalid, fraudulent or forged, or any dispute between or among the Borrower, any of its Affiliates, the beneficiary of any Facility LC or any financing institution or other party to whom any Facility LC may be transferred or any claims or defenses whatsoever of the Borrower or of any of its Affiliates against the beneficiary of any Facility LC or any such transferee.  The LC Issuer shall not be liable for any error, omission, interruption or delay in transmission, dispatch or delivery of any message or advice, however transmitted, in connection with any Facility LC.  The Borrower agrees that any action taken or omitted by the LC Issuer or any Lender under or in connection with each Facility LC and the related drafts and documents, if done without gross negligence or willful misconduct, shall be binding upon the Borrower and shall not put the LC Issuer or any Lender under any liability

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to the Borrower.  Nothing in this Section 2.1.2(f) is intended to limit the right of the Borrower to make a claim against the LC Issuer for damages as contemplated by the proviso to the first sentence of Section 2.1.2(e).

(g)           Actions of LC Issuer.  The LC Issuer shall be entitled to rely, and shall be fully protected in relying, upon any Facility LC, draft, writing, resolution, notice, consent, certificate, affidavit, letter, cablegram, telegram, telecopy, telex or teletype message, statement, order or other document believed by it to be genuine and correct and to have been signed, sent or made by the proper Person or Persons, and upon advice and statements of legal counsel, independent accountants and other experts selected by the LC Issuer.  The LC Issuer shall be fully justified in failing or refusing to take any action under this Agreement unless it shall first have received such advice or concurrence of the Required Lenders as it reasonably deems appropriate or it shall first be indemnified to its reasonable satisfaction by the Lenders against any and all liability and expense which may be incurred by it by reason of taking or continuing to take any such action. Notwithstanding any other provision of this Section 2.1.2, the LC Issuer shall in all cases be fully protected in acting, or in refraining from acting, under this Agreement in accordance with a request of the Required Lenders, and such request and any action taken or failure to act pursuant thereto shall be binding upon the Lenders and any future holders of a participation in any Facility LC.

(h)           Indemnification.  The Borrower hereby agrees to indemnify and hold harmless each Lender, the LC Issuer and the Agent, and their respective directors, officers, agents and employees from and against any and all claims and damages, losses, liabilities, costs or expenses which such Lender, the LC Issuer or the Agent may incur (or which may be claimed against such Lender, the LC Issuer or the Agent by any Person whatsoever) by reason of or in connection with the issuance, execution and delivery or transfer of or payment or failure to pay under any Facility LC or any actual or proposed use of any Facility LC, including, without limitation, any claims, damages, losses, liabilities, costs or expenses which the LC Issuer may incur by reason of or in connection with (i) the failure of any other Lender to fulfill or comply with its obligations to the LC Issuer hereunder (but nothing herein contained shall affect any rights the Borrower may have against any Defaulting Lender) or (ii) or on account of the LC Issuer issuing any Facility LC which specifies that the term “Beneficiary” included therein includes any successor by operation of law of the named Beneficiary, but which Facility LC does not require that any drawing by any such successor Beneficiary be accompanied by a copy of a legal document, satisfactory to the LC Issuer, evidencing the appointment of such successor Beneficiary; provided that, the Borrower shall not be required to indemnify any Lender, the LC Issuer or the Agent for any claims, damages, losses, liabilities, costs or expenses to the extent, but only to the extent, caused by (x) the willful misconduct or gross negligence of the LC Issuer in determining whether a request presented under any Facility LC complied with the terms of such Facility LC or (y) the LC Issuer’s failure to pay under any Facility LC after the presentation to it of a request strictly complying with the terms and conditions of such Facility LC. Nothing in this Section 2.1.2(h) is intended to limit the obligations of the Borrower under any other provision of this Agreement.

(i)            Lenders’ Indemnification.  Each Lender shall, ratably in accordance with its Pro Rata Share, indemnify the LC Issuer, its Affiliates and their respective directors, officers, agents and employees (to the extent not reimbursed by the Borrower) against any cost, expense (including reasonable counsel fees and disbursements), claim, demand, action, loss or liability (except such as result from such indemnitees’ gross negligence or willful misconduct or the LC Issuer’s failure to pay under any Facility LC after the presentation to it of a request strictly complying with the terms and conditions of the Facility LC) that such

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indemnitees may suffer or incur in connection with this Section 2.1.2 or any action taken or omitted by such indemnitees hereunder.

(j)            Facility LC Collateral Account.  The Borrower agrees that it will, upon the request of the Agent or the Required Lenders (which request shall be made with respect to a Facility LC constituting a standby letter of credit only during the continuance of a Default or an Unmatured Default) and until the final expiration date of any Facility LC and thereafter as long as any amount is payable to the LC Issuer or the Lenders in respect of any Facility LC, maintain a special collateral account pursuant to arrangements satisfactory to the Agent (the “Facility LC Collateral Account”) at the Agent’s office at the address specified pursuant to Article XIII, in the name of the Borrower but under the sole dominion and control of the Agent, for the benefit of the Lenders and in which the Borrower shall have no interest other than as set forth in Section 8.1.  Nothing in this Section 2.1.2(j) shall either obligate the Agent to require the Borrower to deposit any funds in the Facility LC Collateral Account or limit the right of the Agent to release any funds held in the Facility LC Collateral Account in each case other than as required by Section 8.1.  The Borrower hereby grants to the Agent, on behalf of and for the ratable benefit of the Lenders and the LC Issuer, a security interest in all of the Borrower’s right, title and interest in and to all funds which may from time to time be on deposit in the Facility LC Collateral Account to secure the prompt and complete payment and performance of the Secured Obligations.  The Agent will invest any funds on deposit from time to time in the Facility LC Collateral Account in certificates of deposit of JPMorgan Chase Bank, N.A. having a maturity not exceeding thirty days.

(k)           Rights as a Lender.  In its capacity as a Lender, the LC Issuer shall have the same rights and obligations as any other Lender.

(l)            Termination of the Facility.  If, notwithstanding the provisions of this Section 2.1.2, any Facility LC is outstanding upon the earlier of (x) the termination of this Agreement and (y) the Facility Termination Date, then upon such termination the Borrower shall deposit with the Agent, for the benefit of the Agent and the Lenders, with respect to all LC Obligations, as the Agent in its discretion shall specify, either (i) a standby letter of credit (a “Supporting Letter of Credit”), in form and substance satisfactory to the Agent, issued by an issuer satisfactory to the Agent, in a stated amount, equal to 105% of the difference of (x) the amount of LC Obligations at such time, less (y) the amount on deposit in the Facility LC Collateral Account at such time which is free and clear of all rights and claims of third parties and has not been applied against the Obligations (such difference, the “Collateral Shortfall Amount”), under which Supporting Letter of Credit the Agent is entitled to draw amounts necessary to reimburse the Agent, the LC Issuer and the Lenders for payments to be made by the Agent, the LC Issuer and the Lenders under any such Facility LC and any fees and expenses associated with such Facility LC, or (ii) cash, in immediately available funds, in an amount equal to 105% of the Collateral Shortfall Amount to be held in the Facility LC Collateral Account.  Such Supporting Letter of Credit or deposit of cash shall be held by the Agent, for the benefit of the Agent and the Lenders, as security for, and to provide for the payment of, the aggregate undrawn amount of such Facility LC remaining outstanding.

2.1.3.       Swingline Loans.

(a)           Subject to the terms and conditions set forth herein, the Swingline Lender agrees to make Swingline Loans to the Borrower, from time to time during the Availability Period, in an aggregate principal amount at any time outstanding that will not result in (i) the aggregate principal amount of outstanding Swingline Loans exceeding $20,000,000 or (ii) the sum of the total Credit Exposures exceeding the lesser of the total Commitments and

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Availability; provided that the Swingline Lender shall not be required to make a Swingline Loan to refinance an outstanding Swingline Loan and provided further, however, that each Swingline Loan shall be in an amount that is an integral multiple of $1,000,000 and not less than $1,000,000.  Within the foregoing limits and subject to the terms and conditions set forth herein, the Borrower may borrow, prepay and reborrow Swingline Loans.  To request a Swingline Loan, the Borrower shall notify the Agent of such request by telephone (confirmed by facsimile), not later than noon, Chicago time, on the day of a proposed Swingline Loan.  Each such notice shall be irrevocable and shall specify the requested date (which shall be a Business Day) and amount of the requested Swingline Loan.  The Agent will promptly advise the Swingline Lender of any such notice received from the Borrower.  The Swingline Lender shall make each Swingline Loan available to the Borrower by means of a credit to the Funding Account(s) (or, in the case of a Swingline Loan made to finance the reimbursement of amounts paid by the LC Issuer upon any drawing under any Facility LC as provided in Section 2.1.1(e), by remittance to the LC Issuer, and in the case of repayment of another Loan or fees or expenses as provided by Sections 2.1.4, 2.1.5 or 2.18(b), by remittance to the Agent to be distributed to the Lenders) by 2:00 p.m., Chicago time, on the requested date of such Swingline Loan. In addition, the Borrower hereby authorizes the Swingline Lender to, and the Swingline Lender shall, subject to the terms and conditions set forth herein (but without any further written notice required), not later than 1:00 p.m., Chicago time, on each Business Day, make available to the Borrower by means of a credit to the Funding Account(s), the proceeds of a Swingline Loan to the extent necessary to pay items to be drawn on any Collateral Deposit Account (as such term is defined in the Security Agreement) that day (as determined based on notice from the Agent).

(b)           The Swingline Lender may by written notice given to the Agent not later than 11:00 a.m., Chicago time, on any Business Day require the Lenders to acquire participations on such Business Day in all or a portion of the Swingline Loans outstanding.  Such notice shall specify the aggregate amount of Swingline Loans in which the Lenders will participate.  Promptly upon receipt of such notice, the Agent will give notice thereof to each Lender, specifying in such notice such Lender’s Pro Rata Share of such Swingline Loan or Loans.  Each Lender hereby absolutely and unconditionally agrees, upon receipt of notice as provided above, to pay to the Agent, for the account of the Swingline Lender, such Lender’s Pro Rata Share of such Swingline Loan or Loans.  Each Lender acknowledges and agrees that its obligation to acquire participations in Swingline Loans pursuant to this paragraph is absolute and unconditional and shall not be affected by any circumstance whatsoever, including the occurrence and continuance of an Unmatured Default or reduction or termination of the Commitments, and that each such payment shall be made without any offset, abatement, withholding or reduction whatsoever.  Each Lender shall comply with its obligation under this paragraph by wire transfer of immediately available funds, in the same manner as provided in Section 2.1.1(d) with respect to Loans made by such Lender (and Section 2.1.1(d) shall apply, mutatis mutandis, to the payment obligations of the Lenders), and the Agent shall promptly pay to the Swingline Lender the amounts so received by it from the Lenders.  The Agent shall notify the Borrower of any participations in any Swingline Loan acquired pursuant to this paragraph, and thereafter payments in respect of such Swingline Loan shall be made to the Agent and not to the Swingline Lender.  Any amounts received by the Swingline Lender from the Borrower (or other party on behalf of the Borrower) in respect of a Swingline Loan after receipt by the Swingline Lender of the proceeds of a sale of participations therein shall be promptly remitted to the Agent; any such amounts received by the Agent shall be promptly remitted by the Agent to the Lenders that shall have made their payments pursuant to this paragraph and to the Swingline Lender, as their interests may appear; provided that any such payment so remitted shall be repaid to the Swingline Lender or to the Agent, as applicable, if and to the extent such payment is required to be refunded to the Borrower for any reason.  The purchase of participations in a

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Swingline Loan pursuant to this paragraph shall not relieve the Borrower of any default in the payment thereof.

(c)           The Agent, the Swingline Lender and the Lenders agree that in order to facilitate the administration of this Agreement and the other Loan Documents, promptly after the Borrower requests a Floating Rate Advance, the Swingline Lender may elect to have the terms of this Section 2.1.3(c) apply to such Borrowing Notice by advancing, on behalf of the Lenders and in the amount requested, same day funds to the Borrower, on the applicable Borrowing Date to the Funding Account(s) (each such Loan made solely by the Swingline Lender pursuant to this Section 2.1.3(c) is referred to in this Agreement as a “Swingline Loan”), with settlement among them as to the Swingline Loans to take place on a periodic basis as set forth in Section 2.1.3(e).  Each Swingline Loan shall be subject to all the terms and conditions applicable to other Floating Rate Advances funded by the Lenders, except that all payments thereon shall be payable to the Swingline Lender solely for its own account. In addition, the Borrower hereby authorizes the Swingline Lender to, and the Swingline Lender shall, subject to the terms and conditions set forth herein (but without any further written notice required), not later than 1:00 p.m., Chicago time, on each Business Day, make available to the Borrower by means of a credit to the Funding Account(s), the proceeds of a Swingline Loan to the extent necessary to pay items to be drawn on any Collateral Deposit Account (as such term is defined in the Security Agreement) that day (as determined based on notice from the Agent). The aggregate amount of Swingline Loans outstanding at any time shall not exceed $20,000,000.  The Swingline Lender shall not make any Swingline Loan if the requested Swingline Loan exceeds Availability (before giving effect to such Swingline Loan).  All Swingline Loans shall be Floating Rate Advances.

(d)           Upon the making of a Swingline Loan (whether before or after the occurrence of an Unmatured Default and regardless of whether a Settlement has been requested with respect to such Swingline Loan), each Lender shall be deemed, without further action by any party hereto, to have unconditionally and irrevocably purchased from the Swingline Lender without recourse or warranty, an undivided interest and participation in such Swingline Loan in proportion to its Pro Rata Share of the Commitment.  The Swingline Lender may, at any time, require the Lenders to fund their participations.  From and after the date, if any, on which any Lender is required to fund its participation in any Swingline Loan purchased hereunder, the Agent shall promptly distribute to such Lender, such Lender’s Pro Rata Share of all payments of principal and interest and all proceeds of Collateral received by the Agent in respect of such Loan.

(e)           The Agent, on behalf of the Swingline Lender, shall request settlement (a “Settlement”) with the Lenders on at least a weekly basis or on any date that the Agent elects, by notifying the Lenders of such requested Settlement by facsimile, telephone, or e-mail no later than 12:00 noon Chicago time on the date of such requested Settlement (the “Settlement Date”).  Each Lender (other than the Swingline Lender, in the case of the Swingline Loans) shall transfer the amount of such Lender’s Pro Rata Share of the outstanding principal amount of the applicable Loan with respect to which Settlement is requested to the Agent, to such account of the Agent as the Agent may designate, not later than 2:00 p.m., Chicago time, on such Settlement Date.  Settlements may occur during the existence of an Unmatured Default and whether or not the applicable conditions precedent set forth in Section 4.02 have then been satisfied.  Such amounts transferred to the Agent shall be applied against the amounts of the Swingline Lender’s Swingline Loans and, together with Swingline Lender’s Pro Rata Share of such Swingline Loan, shall constitute Revolving Loans of such Lenders, respectively.  If any such amount is not transferred to the Agent by any Lender on such Settlement Date, the Swingline Lender shall be entitled to

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recover such amount on demand from such Lender together with interest thereon as specified in Section 2.24.

2.1.4.       Non-Ratable Loans.  Subject to the restrictions set forth in Section 2.1.1(a), the Agent may elect to have the terms of this Section 2.1.4 apply to any requested Floating Rate Advance and JPMorgan Chase Bank, N.A. shall thereafter make an Advance, on behalf of the Lenders and in the amount requested, available to the Borrower on the applicable Borrowing Date by transferring same day funds to the Funding Account.  Each Advance made solely by the Agent pursuant to this Section 2.1.4 is referred to in this Agreement as a “Non-Ratable Loan,” and such Advances are referred to as the “Non-Ratable Loans.”  Each Non-Ratable Loan shall be subject to all the terms and conditions applicable to other Advances funded by the Lenders, except that all payments thereon shall be payable to JPMorgan Chase Bank, N.A. solely for its own account.  The Agent shall not make any Non-Ratable Loan if the requested Non-Ratable Loan exceeds Availability (before giving effect to such Non-Ratable Loan). Non-Ratable Loans may be made even if a Default or Unmatured Default exists, but may not be made if the other conditions precedent set forth in Section 4.2 have not been satisfied.  The Non-Ratable Loans shall be secured by the Liens granted to the Agent in and to the Collateral and shall constitute Obligations hereunder.  All Non-Ratable Loans shall be Floating Rate Advances and are subject to the settlement provisions set forth in Section 2.20.

2.1.5.       Protective Advances.  Subject to the limitations set forth below, the Agent is authorized by the Borrower and the Lenders, from time to time in the Agent’s sole discretion (but shall have absolutely no obligation to) during the continuation of a Unmatured Default or Default, to make Advances to the Borrower, on behalf of all Lenders, in an aggregate amount outstanding at any time not to exceed 10% of the Borrowing Base, which the Agent, in its Permitted Discretion, deems necessary or desirable (i) to preserve or protect the Collateral, or any portion thereof, (ii) to enhance the likelihood of, or maximize the amount of, repayment of the Loans and other Obligations, or (iii) to pay any other amount chargeable to or required to be paid by the Borrower pursuant to the terms of this Agreement, including costs, fees, and expenses as described in Section 9.6 (any of such Advances are herein referred to as “Protective Advances”); provided that, no Protective Advance shall cause the Aggregate Credit Exposure to exceed the Aggregate Commitment.  Protective Advances may be made even if the conditions precedent set forth in Section 4.2 have not been satisfied.  The Protective Advances shall be secured by the Liens in favor of the Agent in and to the Collateral and shall constitute Obligations hereunder.  All Protective Advances shall be Floating Rate Advances, shall bear interest at the default rate set forth in Section 2.12 and shall be payable on the earlier of demand or the Facility Termination Date.  The Required Lenders may at any time revoke the Agent’s authorization to make Protective Advances.  Any such revocation must be in writing and shall become effective prospectively upon the Agent’s receipt thereof.  At any time that there is sufficient Availability and the conditions precedent set forth in Section 4.2 have been satisfied, the Agent may request the Lenders to make a Revolving Loan to repay a Protective Advance.  At any other time the Agent may require the Lenders to fund their risk participations described in Section 2.2.  Agent shall notify the Lenders of the making of any Protective Advance within two Business Days thereafter and will endeavor to give the Lenders notice in advance of making any Protective Advance when practical.

2.1.6.       Reallocation of Loans and Commitments.  On the Closing Date, (i) each Lender, if any, whose relative proportion of its Commitment hereunder is increasing over the proportion of the Commitment held by it prior to the Closing Date under the Original Agreement shall, by assignments among them (which assignments shall be deemed to occur hereunder automatically, and without any requirement for additional documentation, on the Closing Date) acquire a portion of the Loans and Commitments held by them from and among each other and (ii) each Lender who is becoming a party hereto on the Closing Date shall acquire a portion of the Loans and Commitments which increased from the Original Agreement.  Pursuant to the foregoing sentence, the Lenders, shall, through the Agent, make such other adjustments among themselves as shall be necessary so that after giving effect to assignments and adjustments, the Lenders shall hold all Loans outstanding under this Agreement ratably in accordance with their respective Commitments as reflected on the Commitment Schedule, as modified from time to time pursuant to the terms hereof.

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2.2.          Ratable Loans; Risk Participation.  Except as otherwise provided below, each Advance made in connection with a Revolving Loan shall consist of Loans made by each Lender in an amount equal to such Lender’s Pro Rata Share.  Each Advance made in connection with a Swingline Loan shall consist of Loans made by the Lenders as provided in Section 2.1.3.  Upon the making of an Advance by the Agent in connection with a Non-Ratable Loan (whether before or after the occurrence of a Default or an Unmatured Default and regardless of whether the Agent has requested a Settlement with respect to such Non-Ratable Loan), the Agent shall be deemed, without further action by any party hereto, to have unconditionally and irrevocably sold to each Lender and each Lender shall be deemed, without further action by any party hereto, to have unconditionally and irrevocably purchased from the Agent, without recourse or warranty, an undivided interest and participation in such Non-Ratable Loan in proportion to its Pro Rata Share of the Commitment.  Upon the making of an Advance by the Agent in connection with a Protective Advance (whether before or after the occurrence of a Default or an Unmatured Default and regardless of whether the Agent has requested a Settlement with respect to such Protective Advance), the Agent shall be deemed, without further action by any party hereto, to have unconditionally and irrevocably sold to each Lender and each Lender shall be deemed, without further action by any party hereto, to have unconditionally and irrevocably purchased from the Agent, without recourse or warranty, an undivided interest and participation in such Protective Advance in proportion to its Pro Rata Share of the Aggregate Commitment.  From and after the date, if any, on which any Lender is required to fund its participation in any Swingline Loan, Non-Ratable Loan, or Protective Advance purchased hereunder, the Agent shall promptly distribute to such Lender, such Lender’s Pro Rata Share of all payments of principal and interest and all proceeds of Collateral received by the Agent in respect of such Loan.

2.3.          Payment of the Obligations.  The Borrower shall repay the outstanding principal balance of the Loans, together with all other Obligations, including all accrued and unpaid interest thereon, on the Facility Termination Date; provided, however, that the Borrower shall repay the unpaid principal amount of each Swingline Loan to the Swingline Lender (or Agent, as provided in Section 2.1.3(b)) on the earlier of the Facility Termination Date and the first date after such Swingline Loan is made that is the 15th or last day of a calendar month and is at least two Business Days after such Swingline Loan is made; provided further, however, that on each date that a Revolving Loan is made, the Borrower shall repay all Swingline Loans then outstanding.

2.4.          Minimum Amount of Each Advance.  Each Eurodollar Advance shall be in the minimum amount of $1,000,000 and in multiples of $100,000 if in excess thereof.  Floating Rate Advances may be in any amount.

2.5.          Funding Account.  The Borrower shall deliver to the Agent, on the Effective Date, a notice setting forth the deposit account of the Borrower (the “Funding Account”) to which the Agent is authorized by the Borrower to transfer the proceeds of any Advances requested pursuant to this Agreement.  The Borrower may designate a replacement Funding Account from time to time by written notice executed by an Authorized Officer delivered to the Agent.  Any designation by the Borrower of the Funding Account must be reasonably acceptable to the Agent.

2.6.          Reliance Upon Authority; No Liability.  The Agent is entitled to rely conclusively on any Authorized Individual’s request for Advances hereunder, so long as the proceeds thereof are to be transferred to the Funding Account.  The Agent shall have no duty to verify the identity of any individual representing himself or herself as an Authorized Individual authorized by the Borrower to make such requests on its behalf.  The Agent shall not incur any liability to the Borrower as a result of acting upon any notice referred to in Section 2.1 which the Agent reasonably believes to have been given by an Authorized Individual.  The crediting of Advances to the Funding Account shall conclusively establish the obligation of the Borrower to repay such Advances as provided herein.

2.7.          Conversion and Continuation of Outstanding Advances.  Floating Rate Advances shall continue as Floating Rate Advances unless and until such Floating Rate Advances are converted into

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Eurodollar Advances pursuant to this Section 2.7 or are repaid in accordance with this Agreement.  Each Eurodollar Advance shall continue as a Eurodollar Advance until the end of the applicable Interest Period therefor, at which time such Eurodollar Advance shall be automatically converted into a Floating Rate Advance unless (x) such Eurodollar Advance is or was repaid in accordance with this Agreement or (y) the Borrower shall have given the Agent a Conversion/Continuation Notice (as defined below) requesting that, at the end of such Interest Period, such Eurodollar Advance continue as a Eurodollar Advance for the same or another Interest Period.  Subject to the terms of Section 2.4, the Borrower may elect from time to time to convert all or any part of a Floating Rate Advance into a Eurodollar Advance.  The Borrower shall give the Agent irrevocable notice in the form of Exhibit B (a “Conversion/Continuation Notice”) of each conversion of a Floating Rate Advance into a Eurodollar Advance or continuation of a Eurodollar Advance not later than 10:00 a.m. (Chicago time) at least three Business Days prior to the date of the requested conversion or continuation, specifying (i) the requested date, which shall be a Business Day, of such conversion or continuation, (ii) the aggregate amount and Type of the Advance which is to be converted or continued, and (iii) the amount of such Advance which is to be converted into or continued as a Eurodollar Advance and the duration of the Interest Period applicable thereto.  This Section 2.7 shall not apply to Swingline Loans, which may not be converted or continued.

2.8.          Telephonic Notices.  The Borrower hereby authorizes the Lenders and the Agent to extend, convert or continue Advances, effect selections of Types of Advances and to transfer funds based on telephonic notices made by any person or persons the Agent or any Lender in good faith believes to be acting on behalf of the Borrower, it being understood that the foregoing authorization is specifically intended to allow Borrowing Notices and Conversion/Continuation Notices to be given telephonically.  The Borrower agrees to deliver promptly to the Agent a written confirmation, if such confirmation is requested by the Agent or any Lender, of each telephonic notice signed by an Authorized Individual. If the written confirmation differs in any material respect from the action taken by the Agent and the Lenders, the records of the Agent and the Lenders shall govern absent manifest error.

2.9.          Notification of Advances, Interest Rates and Repayments.  Promptly after receipt thereof, the Agent will notify each Lender of the contents of each Borrowing Notice, Conversion/Continuation Notice, and repayment notice received by it hereunder.  Promptly after notice from the LC Issuer, the Agent will notify each Lender of the contents of each request for issuance of a Facility LC hereunder or any Modification.  The Agent will notify each Lender of the interest rate applicable to each Eurodollar Advance promptly upon determination of such interest rate and will give each Lender prompt notice of each change in the Alternate Base Rate.

2.10.        Fees.

(a)           Unused Commitment Fee.  The Borrower agrees to pay to the Agent, for the account of each Lender in accordance with such Lender’s Pro Rata Share, an unused commitment fee at a per annum rate equal to the Applicable Fee Rate on the average daily Available Commitment, payable on each Payment Date hereafter and on the Facility Termination Date (the “Unused Commitment Fee”); provided, however, that the Unused Commitment Fee shall not accrue on a portion of the Available Commitment equal to 5% of the Aggregate Credit Exposure during any period that the Loan Parties are prohibited from making purchases of Compression Units or Heavy Component Inventory pursuant to Section 6.28.

(b)           LC Fees.  The Borrower shall pay to the Agent, for the account of the Lenders ratably in accordance with their respective Pro Rata Shares, a letter of credit fee at a per annum rate equal to the Applicable Margin for Eurodollar Loans in effect from time to time on the average daily undrawn stated amount under each Facility LC, such fee to be payable in arrears on each Payment Date (the “LC Fee”).  The Borrower shall also pay to the LC Issuer for its own account documentary and processing charges in connection with the

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issuance or Modification of and draws under Facility LCs in accordance with the LC Issuer’s standard schedule for such charges as in effect from time to time.

(c)           Agent and Arranger Fees.  The Borrower agrees to pay to the Agent and the Arranger, such additional fees as are specified in the Amended and Restated Commitment Fee Letter dated as of the Closing Date between Riverstone Holdings and the Agent (the “Commitment Fee Letter”) and the Ticking Fee Letter dated as of the Closing Date between Riverstone Holdings and the Agent (the “Ticking Fee Letter”, together with the Commitment Fee Letter, the “Fee Letter”).  The closing fee payable pursuant to the Fee Letter shall be paid to Agent as set forth herein, for the account of each Lender in accordance with such Lender’s Pro Rata Share.  All other fees payable pursuant to the Fee Letter shall be payable to the Agent or Arranger, as applicable, for their own account.

2.11.        Interest Rates.  Each Floating Rate Advance shall bear interest on the outstanding principal amount thereof, for each day from and including the date such Advance is made or is automatically converted from a Eurodollar Advance into a Floating Rate Advance pursuant to Section 2.7, to but excluding the date it is paid or is converted into a Eurodollar Advance pursuant to Section 2.7 hereof, at a rate per annum equal to the Floating Rate for such day.  Changes in the rate of interest on that portion of any Advance maintained as a Floating Rate Advance will take effect simultaneously with each change in the Alternate Base Rate.  Each Eurodollar Advance shall bear interest on the outstanding principal amount thereof from and including the first day of the Interest Period applicable thereto to (but not including) the last day of such Interest Period at the interest rate determined by the Agent as applicable to such Eurodollar Advance based upon the Borrower’s selections under Sections 2.1.1 and 2.7 and otherwise in accordance with the terms hereof.  No Interest Period may end after the Facility Termination Date.  If at any time Loans are outstanding with respect to which the Borrower has not delivered a notice to the Agent specifying the basis for determining the interest rate applicable thereto, those Loans shall bear interest at the Floating Rate.

2.12.        Eurodollar Advances Post Default; Default Rates.  Notwithstanding anything to the contrary contained hereunder, during the continuance of a Default or Unmatured Default the Agent or the Required Lenders may, at their option, by notice to the Borrower (which notice may be revoked at the option of the Required Lenders notwithstanding any provision of Section 8.3 requiring unanimous consent of the Lenders to reductions in interest rates), declare that no Advance may be made as, converted into or continued as a Eurodollar Advance.  During the continuance of a Default the Agent or the Required Lenders may, at their option, by notice to the Borrower (which notice may be revoked at the option of the Required Lenders notwithstanding any provision of Section 8.3 requiring unanimous consent of the Lenders to reductions in interest rates), declare that (i) each Eurodollar Advance shall bear interest for the remainder of the applicable Interest Period at the rate otherwise applicable to such Interest Period plus 2% per annum, (ii) each Floating Rate Advance shall bear interest at a rate per annum equal to the Floating Rate in effect from time to time plus 2% per annum and (iii) the LC Fee shall be increased by 2% per annum, provided that, during the continuance of a Default under subsection (f) or (g) of Article VII, the interest rates set forth in clauses (i) and (ii) above and the increase in the LC Fee set forth in clause (iii) above shall be applicable to all Credit Extensions without any election or action on the part of the Agent or any Lender.

2.13.        Interest Payment Dates; Interest and Fee Basis.  Interest accrued on each Floating Rate Advance shall be payable on each Payment Date, commencing with the first such date to occur after the date hereof and at maturity.  Interest accrued on each Eurodollar Advance shall be payable on the last day of its applicable Interest Period, on any date on which the Eurodollar Advance is prepaid, whether by acceleration or otherwise, and at maturity.  Interest accrued on each Eurodollar Advance having an Interest Period longer than three months shall also be payable on the last day of each three-month interval during such Interest Period.  Interest on all Advances, unused commitment fees and LC Fees shall be calculated for actual days elapsed on the basis of a 360-day year.  Interest on all Floating Rate Advances shall be calculated for actual days elapsed on the basis of 365 or 366 day year, as appropriate.  Interest shall be payable for the day an Advance is made but not for the day of any payment on the amount paid if payment is received prior to noon

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(local time) at the place of payment.  If any payment of principal of or interest on an Advance shall become due on a day which is not a Business Day, such payment shall be made on the next succeeding Business Day and, in the case of a principal payment, such extension of time shall be included in computing interest in connection with such payment. After giving effect to any Loan, Advance, continuation, or conversion of any Eurodollar Borrowing, there may not be more than six (6) different Interest Periods in effect at the same time hereunder.

2.14.        Voluntary Prepayments.  The Borrower may from time to time prepay, without penalty or premium, all or any portion of the outstanding Floating Rate Advances.  The Borrower may also from time to time prepay, subject to the payment of any funding indemnification amounts required by Section 3.4 but without penalty or premium, all outstanding Eurodollar Advances, or, in a minimum aggregate amount of $1,000,000 or any integral multiple of $500,000 in excess thereof, any portion of the outstanding Eurodollar Advances upon five Business Days’ prior notice to the Agent.

2.15.        Mandatory Prepayments.

(a)           Borrowing Base Compliance.  The Borrower shall immediately repay the Revolving Loans, Swingline Loans, Reimbursement Obligations and/or Non-Ratable Loans if at any time the Aggregate Credit Exposure exceeds the lesser of (i) the Commitment and (B) the Borrowing Base, to the extent required to eliminate such excess.  If any such excess remains after repayment in full of all outstanding Revolving Loans, Swingline Loans, Reimbursement Obligations and Non-Ratable Loans, the Borrower shall provide cash collateral or a Supporting Letter of Credit for the LC Obligations in the manner set forth in Section 2.1.2(l) to the extent required to eliminate such excess.

(b)           Sale of Assets.  Immediately upon receipt by any Loan Party of the Net Cash Proceeds of any asset disposition (other than sales of Inventory in the ordinary course of business), the Borrower shall prepay the Obligations in an amount equal to all such Net Cash Proceeds.  Any such prepayment shall be applied first, to pay the principal of the Protective Advances, second, to pay the principal of the Non-Ratable Loans, third, to pay the principal of the Revolving Loans and Swingline Loans without a concomitant reduction in the Commitment, and fourth, to cash collateralize outstanding Facility LCs.

(c)           Issuance of Debt or Equity.  If Borrower issues Capital Stock (other than issuance from the Incentive Pool to a Special Limited Partner, as each such term is defined in the Borrower’s Partnership Agreement) or any Loan Party issues Indebtedness (other than Indebtedness permitted by Sections 6.17 or if any Loan Party receives any dividend or distribution from a Person other than a Loan Party, no later than the Business Day following the date of receipt of any Net Cash Proceeds of such issuance or receipt of such dividend, distribution, loan or advance, the Borrower shall prepay the Obligations in an amount equal to all such Net Cash Proceeds, dividends, distributions, loans or advances. Any such prepayment shall be applied first, to pay the principal of the Protective Advances, second, to pay the principal of the Non-Ratable Loans, third, to pay the principal of the Revolving Loans and Swingline Loans without a concomitant reduction in the Commitment, and fourth, to cash collateralize outstanding Facility LCs.

(d)           Insurance/Condemnation Proceeds.  Any insurance or condemnation proceeds to be applied to the Obligations in accordance with Section 6.7(c) shall be applied as follows: (i) insurance proceeds from casualties or losses to cash or Inventory shall be applied, first, to the Protective Advances, second, to the Non-Ratable Loans, third, to the Revolving Loans and Swingline Loans, and fourth, to cash collateralize outstanding Facility LCs; and (ii) insurance or condemnation proceeds from casualties or losses to Equipment, Fixtures and real Property shall be applied first, to pay the principal of the Protective

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Advances, second, to pay the principal of the Non-Ratable Loans, third, to pay the principal of the Revolving Loans and Swingline Loans, and fourth, to cash collateralize outstanding Facility LCs. The Commitment shall not be permanently reduced by the amount of any such prepayments.  If the precise amount of insurance or condemnation proceeds allocable to Inventory as compared to Equipment, Fixtures and real Property is not otherwise determined, the allocation and application of those proceeds shall be determined by the Agent, in its Permitted Discretion.

(e)           General.  Without in any way limiting the foregoing, promptly upon receipt by any Loan Party of proceeds of any sale of any Collateral, the Borrower shall cause such Loan Party to deliver such proceeds to the Agent, or deposit such proceeds in a deposit account subject to a Deposit Account Control Agreement.  All of such proceeds shall be applied as set forth above or otherwise as provided in Section 2.19.  Nothing in this Section 2.15 shall be construed to constitute Agent’s or any Lender’s consent to any transaction that is not permitted by other provisions of this Agreement or the other Loan Documents.  Nothing in this Section 2.15 shall be construed to constitute a permanent reduction in the Aggregate Commitment or to prejudice the Borrower’s rights under Section 2.1.1(a)(i), subject to the terms of this Agreement, to borrower, repay and reborrow Revolving Loans at any time prior to the Facility Termination Date.

2.16.        Borrower’s Reduction of Commitment.  Prior to the Facility Termination Date, Borrower may, upon five (5) Business Days’ prior written notice to Agent, permanently reduce (but not terminate) the Aggregate Commitment to a lesser amount, provided that such reduction must be $5,000,000 or a higher integral multiple of $1,000,000 and the aggregate amount of such reductions may not exceed $15,000,000.

2.17.        Termination of the Facility.

(a)           Without limiting Section 2.3 or Section 8.1, (a) the Aggregate Commitments shall expire on the Facility Termination Date and (b) the Aggregate Credit Exposure and all other unpaid Obligations shall be paid in full by the Borrower on the Facility Termination Date.

(b)           The Borrower may terminate this Agreement upon at least 10 Business Days’ prior written notice thereof to the Agent and the Lenders, upon (i) the payment in full of all outstanding Loans, together with accrued and unpaid interest thereon, (ii) the cancellation and return of all outstanding Facility LCs (or alternatively, with respect to each such Facility LC, the furnishing to the Agent of a cash deposit or Supporting Letter of Credit as required by Section 2.1.2(l)), (iii) the payment in full of all reimbursable expenses and other Obligations together with accrued and unpaid interest thereon, and (v) the payment in full of any amount due under Section 3.4.

2.18.        Method of Payment.

(a)           All payments of the Obligations hereunder shall be made, without setoff, deduction, or counterclaim, in immediately available funds to the Agent at the Agent’s address specified pursuant to Article XIII, or at any other Lending Installation of the Agent specified in writing by the Agent to the Borrower, by 11 a.m. (Chicago time) with respect to all Swingline Loans and by noon (Chicago time) on the date when due and shall be applied ratably by the Agent among the Lenders except payments made on Swingline Loans, which shall be applied among the Lenders as provided in Section 2.1.3.  Any payment received by the Agent or Swingline Lender after such time shall be deemed to have been received on the following Business Day and any applicable interest or fee shall continue to accrue.  Solely for purposes of determining the amount of Loans available for borrowing purposes, checks

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and cash or other immediately available funds from collections of items of payment and proceeds of any Collateral shall be applied in whole or in part against the Obligations, on the day of receipt, subject to actual collection.  Each payment delivered to the Agent or Swingline Lender for the account of any Lender shall be delivered promptly by the Agent or Swingline Lender to such Lender in the same type of funds that the Agent or Swingline Lender received at its address specified pursuant to Article XIII or at any Lending Installation specified in a notice received by the Agent or Swingline Lender from such Lender.

(b)           At the election of the Agent, all payments of principal, interest, reimbursement obligations in connection with Facility LCs, fees, premiums, reimbursable expenses (including, without limitation, all reimbursement for fees and expenses pursuant to Section 9.6), and other sums payable under the Loan Documents, may be paid from the proceeds of Advances made hereunder whether made following a request by the Borrower pursuant to Section 2.1 or a deemed request as provided in this Section 2.18 or may be deducted from the Funding Account or any other deposit account of the Borrower maintained with the Agent.  The Borrower hereby irrevocably authorizes (i) the Agent to make an Advance for the purpose of paying each payment of principal, interest and fees as it becomes due hereunder or any other amount due under the Loan Documents and agrees that all such amounts charged shall constitute Loans (including Swingline Loans, Non-Ratable Loans and Protective Advances) and that all such Advances shall be deemed to have been requested pursuant to Section 2.1 and (ii) the Agent to charge the Funding Account or any other deposit account of the Borrower maintained with JPMorgan Chase Bank, N.A. for each payment of principal, interest and fees as it becomes due hereunder or any other amount due under the Loan Documents.

2.19.        Apportionment, Application, and Reversal of Payments.  Except as otherwise required pursuant to Section 2.1.3 or 2.20, principal and interest payments shall be apportioned ratably among the Lenders as set forth in this Article II and payments of the fees shall, as applicable, be apportioned ratably among the Lenders, except for fees payable solely to the Agent or the LC Issuer and except as provided in Section 2.10(c).  All payments shall be remitted to the Agent and all such payments not relating to principal or interest of specific Loans or not constituting payment of specific fees as specified by the Borrower, and all proceeds of any Collateral received by the Agent, shall be applied, ratably, subject to the provisions of this Agreement, first, to pay any fees, indemnities, or expense reimbursements including amounts then due to the Agent from the Borrower (other than in connection with Banking Services or Rate Management Obligations), second, to pay any fees or expense reimbursements then due to the Lenders from the Borrower (other than in connection with Banking Services or Rate Management Obligations), third, to pay interest due in respect of the Protective Advances, fourth, to pay the principal of the Protective Advances, fifth, to pay interest due in respect of the Non-Ratable Loans, sixth, to pay interest due in respect of the Revolving Loans and Swingline Loans (other than Non-Ratable Loans and Protective Advances), seventh, to pay or prepay principal of the Non-Ratable Loans, eighth, to pay or prepay principal of the Revolving Loans and Swingline Loans (other than Non-Ratable Loans and Protective Advances) and unpaid reimbursement obligations in respect of Facility LCs, ninth, to pay an amount to the Agent equal to one hundred five percent (105%) of the aggregate undrawn face amount of all outstanding Facility LCs and the aggregate amount of any unpaid reimbursement obligations in respect of Facility LCs, to be held as cash collateral for such Obligations, tenth, to payment of any amounts owing with respect to Banking Services and Rate Management Obligations, and eleventh, to the payment of any other Secured Obligation due to the Agent or any Lender by the Borrower.  Notwithstanding anything to the contrary contained in this Agreement, unless so directed by the Borrower, or unless a Default is in existence, neither the Agent nor any Lender shall apply any payment which it receives to any Eurodollar Loan, except (a) on the expiration date of the Interest Period applicable to any such Eurodollar Loan or (b) in the event, and only to the extent, that there are no outstanding Floating Rate Loans and, in any event, the Borrower shall pay the Eurodollar breakage losses in accordance with Section 3.4.  The Agent and the Lenders shall have the continuing and exclusive right to apply and reverse and reapply any

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and all such proceeds and payments to any portion of the Secured Obligations, so long as due in the same order provided herein.

2.20.        Settlement.  Except with respect to Swingline Loans, each Lender’s funded portion of the Loans is intended by the Lenders to be equal at all times to such Lender’s Pro Rata Share of the outstanding Loans.  Notwithstanding such agreement, the Agent, JPMorgan Chase Bank, N.A., and the Lenders agree (which agreement shall not be for the benefit of or enforceable by the Loan Parties) that in order to facilitate the administration of this Agreement and the other Loan Documents, settlement among them as to the Loans, including the Non-Ratable Loans shall take place on a periodic basis as follows, except as otherwise provided in Section 2.1.3.  The Agent shall request settlement (a “Settlement”) with the Lenders on at least a weekly basis, or on a more frequent basis at the Agent’s election, by notifying the Lenders of such requested Settlement by telecopy, telephone, or e-mail no later than 12:00 noon (Chicago, Illinois time) on the date of such requested Settlement (the “Settlement Date”).  Each Lender (other than the Agent, in the case of the Non-Ratable Loans) shall transfer the amount of such Lender’s Pro Rata Share of the outstanding principal amount of the applicable Loan with respect to which Settlement is requested to the Agent, to such account of the Agent as the Agent may designate, not later than 2:00 p.m. (Chicago, Illinois time), on the Settlement Date applicable thereto.  Settlements may occur during the existence of a Default or an Unmatured Default and whether or not the applicable conditions precedent set forth in Section 4.2 have then been satisfied.  Such amounts transferred to the Agent shall be applied against the amounts of the applicable Loan and, together with JPMorgan Chase Bank, N.A.’s Pro Rata Share of such Non-Ratable Loan, shall constitute Revolving Loans of such Lenders, respectively.  If any such amount is not transferred to the Agent by any Lender on the Settlement Date applicable thereto, the Agent shall be entitled to recover such amount on demand from such Lender together with interest thereon as specified in Section 2.24.

2.21.        Indemnity for Returned Payments.  If after receipt of any payment which is applied to the payment of all or any part of the Obligations, the Agent or any Lender is for any reason compelled to surrender such payment or proceeds to any Person because such payment or application of proceeds is invalidated, declared fraudulent, set aside, determined to be void or voidable as a preference, impermissible setoff, or a diversion of trust funds, or for any other reason, then the Obligations or part thereof intended to be satisfied shall be revived and continued and this Agreement shall continue in full force as if such payment or proceeds had not been received by the Agent or such Lender and the Borrower shall be liable to pay to the Agent and the Lenders, and the Borrower hereby indemnifies the Agent and the Lenders and holds the Agent and the Lenders harmless for the amount of such payment or proceeds surrendered except to the extent that they are determined in a final, non-appealable judgment by a court of competent jurisdiction to have resulted from the gross negligence or willful misconduct of the Lenders.  The provisions of this Section 2.21 shall be and remain effective notwithstanding any contrary action which may have been taken by the Agent or any Lender in reliance upon such payment or application of proceeds, and any such contrary action so taken shall be without prejudice to the Agent’s and the Lenders’ rights under this Agreement and shall be deemed to have been conditioned upon such payment or application of proceeds having become final and irrevocable.  The provisions of this Section 2.21 shall survive the termination of this Agreement.

2.22.        Noteless Agreement; Evidence of Indebtedness.

(a)           Each Lender shall maintain in accordance with its usual practice an account or accounts evidencing the indebtedness of the Borrower to such Lender resulting from each Loan made by such Lender from time to time, including the amounts of principal and interest payable and paid to such Lender from time to time hereunder.

(b)           The Agent shall also maintain accounts in which it will record (i) the amount of each Loan extended hereunder, the Type thereof and the Interest Period with respect thereto, (ii) the amount of any principal or interest due and payable or to become due and payable from the Borrower to each Lender hereunder, (iii) the original stated amount of each Facility LC and the amount of LC Obligations outstanding at any time, and (iv) the

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amount of any sum received by the Agent hereunder from the Borrower and each Lender’s share thereof.

(c)           The entries maintained in the accounts maintained pursuant to paragraphs (i) and (ii) above shall be prima facie evidence of the existence and amounts of the Obligations therein recorded; provided however, that the failure of the Agent or any Lender to maintain such accounts or any error therein shall not in any manner affect the obligation of the Borrower to repay the Obligations in accordance with their terms.

(d)           Any Lender may request that its Revolving Loans be evidenced by a promissory note in substantially the form of Exhibit C (as amended, modified or supplemented from time to time, a “Note”).  In such event, the Borrower shall prepare, execute and deliver to such Lender such Note payable to the order of such Lender.  Thereafter, the Revolving Loans evidenced by such Note and interest thereon shall at all times (prior to any assignment pursuant to Section 12.3) be represented by one or more Notes payable to the order of the payee named therein, except to the extent that any such Lender subsequently returns any such Note for cancellation and requests that such Revolving Loans once again be evidenced as described in paragraphs (a) and (b) above.

2.23.        Lending Installations.  Each Lender may book its Loans and its participation in any LC Obligations and the LC Issuer may book the Facility LCs at any Lending Installation selected by such Lender or the LC Issuer, as the case may be, and may change its Lending Installation from time to time.  All terms of this Agreement shall apply to any such Lending Installation and the Loans, Facility LCs, participations in LC Obligations and any Notes issued hereunder shall be deemed held by each Lender or the LC Issuer, as the case may be, for the benefit of any such Lending Installation.  Each Lender and the LC Issuer may, by written notice to the Agent and the Borrower in accordance with Article XIII, designate replacement or additional Lending Installations through which Loans will be made by it or Facility LCs will be issued by it and for whose account Loan payments or payments with respect to Facility LCs are to be made.

2.24.        Non-Receipt of Funds by the Agent; Defaulting Lenders.

(a)           Unless the Borrower or a Lender, as the case may be, notifies the Agent prior to the date on which it is scheduled to make payment to the Agent of (i) in the case of a Lender, the proceeds of a Loan or (ii) in the case of the Borrower, a payment of principal, interest or fees to the Agent for the account of the Lenders, that it does not intend to make such payment, the Agent may assume that such payment has been made.  The Agent may, but shall not be obligated to, make the amount of such payment available to the intended recipient in reliance upon such assumption.  If such Lender or the Borrower, as the case may be, has not in fact made such payment to the Agent, the recipient of such payment shall, on demand by the Agent, repay to the Agent the amount so made available together with interest thereon in respect of each day during the period commencing on the date such amount was so made available by the Agent until the date the Agent recovers such amount at a rate per annum equal to (x) in the case of payment by a Lender, the Federal Funds Effective Rate for such day for the first three days and, thereafter, the interest rate applicable to the relevant Loan or (y) in the case of payment by the Borrower, the interest rate applicable to the relevant Loan.

(b)           If a payment has not been made by a Lender, the Agent will notify the Borrower of such failure to fund and, upon demand by the Agent, the Borrower shall pay such amount to the Agent for the Agent’s account, together with interest thereon for each day elapsed since the Borrowing Date at a rate per annum equal to the interest rate applicable to the relevant Loan.

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(c)           The Agent shall not be obligated to transfer to a Defaulting Lender any payments made by the Borrower to the Agent for the Defaulting Lender’s benefit, and, in the absence of such transfer to the Defaulting Lender, the Agent shall transfer any such payments to each other non-Defaulting Lender ratably in accordance with their Pro Rata Share of the Commitments (but only to the extent that such Defaulting Lender’s Advance was funded by the other Lenders) or, if so directed by the Borrower and if no Unmatured Default or Default has occurred and is continuing (and to the extent such Defaulting Lender’s Advance was not funded by the other Lenders), retain the same to be re-advanced to the Borrower as if such Defaulting Lender had made Advances to the Borrower.  Subject to the foregoing, the Agent may hold and, in its Permitted Discretion, setoff such Defaulting Lender’s funding shortfall against that Defaulting Lender’s Pro Rata Share of all payments received from the Borrower or re-lend to the Borrower for the account of such Defaulting Lender the amount of all such payments received and retained by the Agent for the account of such Defaulting Lender.

(d)           Notwithstanding any provision of this Agreement to the contrary, if any Lender becomes a Defaulting Lender, then the following provisions shall apply for so long as such Lender is a Defaulting Lender:

(i)            solely for the purposes of voting or consenting to matters with respect to the Loan Documents, such Defaulting Lender shall be deemed not to be a “Lender” and such Defaulting Lender’s Commitment shall be deemed to be zero ; provided that any waiver, amendment or modification requiring the consent of all Lenders or each affected Lender which affects such Defaulting Lender differently than other affected Lenders shall require the consent of such Defaulting Lender;

(ii)           such Defaulting Lender shall not be entitled to any portion of the Unused Commitment Fee;

(iii)          the Unused Commitment Fee shall accrue in favor of the Lenders which have funded their respective Pro Rata Shares of such requested Advance and shall be allocated among such non-Defaulting Lenders ratably based on their Pro Rata Share of the Commitments. This Section shall remain effective with respect to such Defaulting Lender until (x) the Obligations under this Agreement shall have been declared or shall have become immediately due and payable, (y) the non-Defaulting Lenders, the Agent, and the Borrower shall have waived such Defaulting Lender’s default in writing, or (z) the Defaulting Lender makes its Pro Rata Share of the applicable Advance and pays to Agent all amounts owing by the Defaulting Lender in respect thereof;

(iv)          if any Swingline Exposure or LC Obligations exist at the time a Lender becomes a Defaulting Lender then:

(1)           all or any part of such Swingline Exposure and LC Obligations shall be reallocated among the non-Defaulting Lenders in accordance with their respective Pro Rata Shares but only to the extent (x) the sum of all non-Defaulting Lenders’ Credit Exposures with respect to the Revolving Loans plus such Defaulting Lender’s Swingline Exposure and LC Obligations does not exceed the total of all non-Defaulting Lenders’ Commitments and (y) the conditions set forth in Section 4.2 are satisfied at such time; and

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(2)           if the reallocation described in clause (i) above cannot, or can only partially, be effected, the Borrower shall within one Business Day following notice by the Agent (x) first, prepay such Swingline Exposure and (y) second, cash collateralize such Defaulting Lender’s LC Exposure (after giving effect to any partial reallocation pursuant to clause (i) above) in accordance with the procedures set forth in Section 2.1.2 for so long as such LC Exposure is outstanding;

(3)           if the Borrower cash collateralizes any portion of such Defaulting Lender’s LC Obligations pursuant to Section 2.24(d)(iv), the Borrower shall not be required to pay any fees to such Defaulting Lender pursuant to Section 2.10(b) with respect to such Defaulting Lender’s LC Exposure during the period such Defaulting Lender’s LC Exposure is cash collateralized;

(4)           if the LC Exposure of the non-Defaulting Lenders is reallocated pursuant to Section 2.24(d)(iv), then the fees payable to the Lenders pursuant to Section 2.10(a) and Section 2.10(b) shall be adjusted in accordance with such non-Defaulting Lenders’ Pro Rata Shares; or

(5)           if any Defaulting Lender’s LC Obligations are neither cash collateralized nor reallocated pursuant to Section 2.24(d)(iv), then, without prejudice to any rights or remedies of the LC Issuer or any Lender hereunder, all facility fees that otherwise would have been payable to such Defaulting Lender (solely with respect to the portion of such Defaulting Lender’s Commitment that was utilized by such LC Exposure) and letter of credit fees payable under Section 2.10(b) with respect to such Defaulting Lender’s LC Obligations shall be payable to the LC Issuer until such LC Obligations are cash collateralized and/or reallocated;

(v)           the Swingline Lender shall not be required to fund any Swingline Loan and the LC Issuer shall not be required to issue, amend or increase any Letter of Credit, unless it is satisfied that the related exposure will be 100% covered by the Commitments of the non-Defaulting Lenders and/or cash collateral will be provided by the Borrower in accordance with Section 2.24(d)(iv), and participating interests in any such newly issued or increased Letter of Credit or newly made Swingline Loan shall be allocated among non-Defaulting Lenders in a manner consistent with Section 2.24(d)(iv)(1) (and Defaulting Lenders shall not participate therein); and

(vi)          in the event and on the date that each of the Agent, the Borrower, the LC Issuer and the Swingline Lender agrees that a Defaulting Lender has adequately remedied all matters that caused such Lender to be a Defaulting Lender, then the Swingline Exposure and LC Obligations of the other Lenders shall be readjusted to reflect the inclusion of such Lender’s Commitment and on such date such Lender shall purchase at par such of the Loans of the other Lenders (other than Swingline Loans) as the Agent shall determine may be necessary in order for such Lender to hold such Loans in accordance with its Pro Rata Share.

(e)           The operation of this Section shall not be construed to increase or otherwise affect the Commitment of any Lender, to relieve or excuse the performance by such Defaulting Lender or any other Lender of its duties and obligations hereunder, or to relieve or excuse the performance by the Borrower of its duties and obligations hereunder.

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2.25.        Limitation of Interest.  The Borrower, the Agent and the Lenders intend to strictly comply with all applicable laws, including applicable usury laws.  Accordingly, the provisions of this Section 2.25 shall govern and control over every other provision of this Agreement or any other Loan Document which conflicts or is inconsistent with this Section 2.25, even if such provision declares that it controls.  As used in this Section 2.25, the term “interest” includes the aggregate of all charges, fees, benefits or other compensation which constitute interest under applicable law, provided that, to the maximum extent permitted by applicable law, (a) any non-principal payment shall be characterized as an expense or as compensation for something other than the use, forbearance or detention of money and not as interest, and (b) all interest at any time contracted for, reserved, charged or received shall be amortized, prorated, allocated and spread, in equal parts during the full term of the Obligations.  In no event shall the Borrower or any other Person be obligated to pay, or any Lender have any right or privilege to reserve, receive or retain, (a) any interest in excess of the maximum amount of nonusurious interest permitted under the laws of the State of Texas or the applicable laws (if any) of the U.S. or of any other applicable state, or (b) total interest in excess of the amount which such Lender could lawfully have contracted for, reserved, received, retained or charged had the interest been calculated for the full term of the Obligations at the Highest Lawful Rate.  On each day, if any, that the interest rate (the “Stated Rate”) called for under this Agreement or any other Loan Document exceeds the Highest Lawful Rate, the rate at which interest shall accrue shall automatically be fixed by operation of this sentence at the Highest Lawful Rate for that day, and shall remain fixed at the Highest Lawful Rate for each day thereafter until the total amount of interest accrued equals the total amount of interest which would have accrued if there were no such ceiling rate as is imposed by this sentence.  Thereafter, interest shall accrue at the Stated Rate unless and until the Stated Rate again exceeds the Highest Lawful Rate when the provisions of the immediately preceding sentence shall again automatically operate to limit the interest accrual rate.  The daily interest rates to be used in calculating interest at the Highest Lawful Rate shall be determined by dividing the applicable Highest Lawful Rate per annum by the number of days in the calendar year for which such calculation is being made.  None of the terms and provisions contained in this Agreement or in any other Loan Document which directly or indirectly relate to interest shall ever be construed without reference to this Section 2.25, or be construed to create a contract to pay for the use, forbearance or detention of money at an interest rate in excess of the Highest Lawful Rate.  If the term of any Obligation is shortened by reason of acceleration of maturity as a result of any Default or by any other cause, or by reason of any required or permitted prepayment, and if for that (or any other) reason any Lender at any time, including but not limited to, the stated maturity, is owed or receives (and/or has received) interest in excess of interest calculated at the Highest Lawful Rate, then and in any such event all of any such excess interest shall be canceled automatically as of the date of such acceleration, prepayment or other event which produces the excess, and, if such excess interest has been paid to such Lender, it shall be credited pro tanto against the outstanding principal balance of the Borrower’s obligations to such Lender, effective as of the date or dates when the event occurs which causes it to be excess interest, until such excess is exhausted or all of such principal has been fully paid and satisfied, whichever occurs first, and any remaining balance of such excess shall be promptly refunded to its payor.  Chapter 346 of the Texas Finance Code (which regulates certain revolving credit accounts (formerly TEX. REV. CIV. STAT. ANN. ART. 5069, Ch. 15)) shall not apply to this Agreement or to any Loan, nor shall this Agreement or any Loan be governed by or be subject to the provisions of such Chapter 346 in any manner whatsoever.

ARTICLE III

YIELD PROTECTION; TAXES

3.1.          Yield Protection.  If, on or after the Closing Date, the adoption of any law or any governmental or quasi-governmental rule, regulation, policy, guideline or directive (whether or not having the force of law), or any change in the interpretation or administration thereof by any governmental or quasi-governmental authority, central bank or comparable agency charged with the interpretation or administration thereof, or compliance by any Lender or applicable Lending Installation or the LC Issuer with any request or directive (whether or not having the force of law) of any such authority, central bank or comparable agency:

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(a)           subjects any Lender or any applicable Lending Installation or the LC Issuer to any Taxes, or changes the basis of taxation of payments (other than with respect to Excluded Taxes) to any Lender or the LC Issuer in respect of its Eurodollar Loans, Facility LCs or participations therein, or

(b)           imposes or increases or deems applicable any reserve, assessment, insurance charge, special deposit or similar requirement against assets of, deposits with or for the account of, or credit extended by, any Lender or any applicable Lending Installation or the LC Issuer (other than reserves and assessments taken into account in determining the interest rate applicable to Eurodollar Advances), or

(c)           imposes any other condition the result of which is to increase the cost to any Lender or any applicable Lending Installation or the LC Issuer of making, funding or maintaining its Eurodollar Loans, or of issuing or participating in Facility LCs, or reduces any amount receivable by any Lender or any applicable Lending Installation or the LC Issuer in connection with its Eurodollar Loans, Facility LCs or participations therein, or requires any Lender or any applicable Lending Installation or the LC Issuer to make any payment calculated by reference to the amount of Eurodollar Loans, Facility LCs or participations therein held or interest or LC Fees received by it, by an amount deemed material by such Lender or the LC Issuer as the case may be,

and the result of any of the foregoing is to increase the cost to such Lender or applicable Lending Installation or the LC Issuer, as the case may be, of making or maintaining its Eurodollar Loans or Commitment or of issuing or participating in Facility LCs or to reduce the return received by such Lender or applicable Lending Installation or the LC Issuer, as the case may be, in connection with such Eurodollar Loans, Commitment, Facility LCs or participations therein, then, within fifteen days of demand by such Lender or the LC Issuer, as the case may be, the Borrower shall pay such Lender or the LC Issuer, as the case may be, such additional amount or amounts as will compensate such Lender or the LC Issuer, as the case may be, for such increased cost or reduction in amount received.

3.2.          Changes in Capital Adequacy Regulations.  If a Lender or the LC Issuer determines the amount of capital required or expected to be maintained by such Lender or the LC Issuer, any Lending Installation of such Lender or the LC Issuer, or any corporation controlling such Lender or the LC Issuer is increased as a result of a Change, then, within fifteen days of demand by such Lender or the LC Issuer, the Borrower shall pay such Lender or the LC Issuer the amount necessary to compensate for any shortfall in the rate of return on the portion of such increased capital which such Lender or the LC Issuer determines is attributable to this Agreement, its Credit Exposure or its Commitment to make Loans and issue or participate in Facility LCs, as the case may be, hereunder (after taking into account such Lender’s or the LC Issuer’s policies as to capital adequacy).  “Change” means (i) any change after the date of this Agreement in the Risk-Based Capital Guidelines (as defined below) or (ii) any adoption of or change in any other law, governmental or quasi-governmental rule, regulation, policy, guideline, interpretation, or directive (whether or not having the force of law) after the date of this Agreement which affects the amount of capital required or expected to be maintained by any Lender or the LC Issuer or any Lending Installation or any corporation controlling any Lender or the LC Issuer.  “Risk-Based Capital Guidelines” means (i) the risk-based capital guidelines in effect in the U.S. on the date of this Agreement, including transition rules, and (ii) the corresponding capital regulations promulgated by regulatory authorities outside the U.S. implementing the July 1988 report of the Basle Committee on Banking Regulation and Supervisory Practices Entitled “International Convergence of Capital Measurements and Capital Standards,” including transition rules, and any amendments to such regulations adopted prior to the date of this Agreement.

3.3.          Availability of Types of Advances.  If any Lender determines that maintenance of its Eurodollar Loans at a suitable Lending Installation would violate any applicable law, rule, regulation, or directive, whether or not having the force of law, or if the Required Lenders determine that (i) deposits of a

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type and maturity appropriate to match fund Eurodollar Advances are not available or (ii) the interest rate applicable to Eurodollar Advances does not accurately reflect the cost of making or maintaining Eurodollar Advances, then the Agent shall suspend the availability of Eurodollar Advances and require any affected Eurodollar Advances to be repaid or converted to Floating Rate Advances, subject to the payment of any funding indemnification amounts required by Section 3.4.

3.4.          Funding Indemnification.  If any payment of a Eurodollar Advance occurs on a date which is not the last day of the applicable Interest Period, whether because of acceleration, prepayment or otherwise, or a Eurodollar Advance is not made on the date specified by the Borrower for any reason other than default by the Lenders, the Borrower will indemnify each Lender for any loss or cost incurred by it resulting therefrom, including, without limitation, any loss or cost in liquidating or employing deposits acquired to fund or maintain such Eurodollar Advance except to the extent that any such loss or cost is determined in a final, non-appealable judgment by a court of competent jurisdiction to have resulted from the gross negligence or willful misconduct of the Lenders.

3.5.          Taxes.

(a)           The Borrowers shall be jointly and severally liable for paying to the Agent any and all payments by or on account of any obligation of the Borrower hereunder shall be made free and clear of and without deduction for any Indemnified Taxes or Other Taxes; provided that if the Borrower shall be required by applicable law to deduct any Indemnified Taxes or Other Taxes from such payments, then (i) the sum payable shall be increased as necessary so that after making all required deductions (including deductions applicable to additional sums payable under this Section) the Agent, Lender or LC Issuer (as the case may be) receives an amount equal to the sum it would have received had no such deductions been made, (ii) the Borrower shall make such deductions and (iii) the Borrower shall pay the full amount deducted to the relevant Governmental Authority in accordance with applicable law.

(b)           In addition, the Borrower shall pay any Other Taxes to the relevant Governmental Authority in accordance with applicable law.

(c)           The Borrowers shall jointly and severally indemnify the Agent, each Lender and the LC Issuer, within 10 days after written demand therefor, for the full amount of any Indemnified Taxes or Other Taxes paid by the Agent, such Lender or the LC Issuer, as the case may be, on or with respect to any payment by the Borrower hereunder (including Indemnified Taxes or Other Taxes imposed or asserted on or attributable to amounts payable under this Section) and any penalties, interest and reasonable expenses arising therefrom or with respect thereto, whether or not such Indemnified Taxes or Other Taxes were correctly or legally imposed or asserted by the relevant Governmental Authority.  A certificate as to the amount of such payment or liability delivered to the Borrower by a Lender or the LC Issuer, or by the Agent on its own behalf or on behalf of a Lender or the LC Issuer, shall be conclusive absent manifest error.

(d)           Each Lender and the LC Issuer shall indemnify the Borrower and the Agent, within 10 days after written demand therefor, against any and all Taxes and any and all related losses, claims, liabilities, penalties, interest and reasonable expenses (including the fees, charges and disbursements of any counsel for the Borrower or the Agent) incurred by or asserted against the Borrower or the Agent by any Governmental Authority as a result of the failure by such Lender or the LC Issuer, as the case may be, to deliver, or as a result of the inaccuracy, inadequacy or deficiency of, any documentation required to be delivered to the Borrower or the Agent pursuant to Section 3.5(f).  Each Lender and the LC Issuer hereby authorizes the Agent to set off and apply any and all amounts at any time owing to such Lender or the LC Issuer, as the case may be, under this Agreement or any other Loan

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Document against any amount due to the Agent under this Section 3.5(d).  The obligations of the Lenders under this Section 3.5(d) shall survive the payment of the Obligations and termination of this Agreement.

(e)           As soon as practicable after any payment of Indemnified Taxes or Other Taxes by the Borrower to a Governmental Authority, the Borrower shall deliver to the Agent the original or a certified copy of a receipt issued by such Governmental Authority evidencing such payment, a copy of the return reporting such payment or other evidence of such payment reasonably satisfactory to the Agent.

(f)            Any Foreign Lender that is entitled to an exemption from or reduction of withholding tax under the law of the jurisdiction in which the Borrower is resident for tax purposes, or any treaty to which such jurisdiction is a party, with respect to payments under this Agreement shall deliver to the Borrower (with a copy to the Agent), at the time or times prescribed by applicable law, such properly completed and executed documentation prescribed by applicable law or reasonably requested by the Borrower as will permit such payments to be made without withholding or at a reduced rate.  In addition, any Lender, if reasonably requested by the Borrower or the Agent, shall deliver such other documentation as will enable the Borrower or the Agent to determine whether or not such Lender is subject to backup withholding or information reporting requirements.  Without limiting the generality of the foregoing, if any payment made hereunder or under any other Loan Document would be subject to United States federal withholding tax imposed pursuant to FATCA if the recipient of such payment fails to comply with applicable reporting and other requirements of FATCA (including those contained in Section 1471(b) or 1472(b) of the Code, as applicable), such recipient shall use commercially reasonable efforts to deliver to the Borrower and the Agent, at the time or times prescribed by applicable law or as reasonably requested by the Borrower or the Agent, (A) two accurate, complete and signed certifications prescribed by applicable law and/or reasonably satisfactory to the Borrower and the Agent that establish that such payment is exempt from United States federal withholding tax imposed pursuant to FATCA and (B) any other documentation reasonably requested by the Borrower or the Agent sufficient for the Borrower and the Agent to comply with their obligations under FATCA and to determine that such recipient has complied with such applicable reporting and other requirements of FATCA.

(g)           If the Agent or a Lender determines that it has received a refund of any Taxes or Other Taxes as to which it has been indemnified by the Borrower or with respect to which the Borrower has paid additional amounts pursuant to this Section 3.5, it shall pay over an amount equal to such refund to the Borrower (but only to the extent of indemnity payments made, or additional amounts paid, by the Borrower under this Section 3.5 with respect to the Taxes or Other Taxes giving rise to such refund), net of all out-of-pocket expenses of the Agent or such Lender and without interest (other than any interest paid by the relevant Governmental Authority with respect to such refund); provided, that the Borrower, upon the request of the Agent or such Lender, agree to repay the amount paid over to the Borrower (plus any penalties, interest or other charges imposed by the relevant Governmental Authority) to the Agent or such Lender in the event the Agent or such Lender is required to repay such refund to such Governmental Authority. This paragraph shall not be construed to require the Agent or any Lender to make available its tax returns (or any other information relating to its taxes which it deems confidential) to the Borrower or any other Person.

3.6.          Lender Statements; Survival of Indemnity.  To the extent reasonably possible, each Lender shall designate an alternate Lending Installation with respect to its Eurodollar Loans to reduce any liability of the Borrower to such Lender under Sections 3.1, 3.2 and 3.5 or to avoid the unavailability of Eurodollar

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Advances under Section 3.3, so long as such designation is not, in the judgment of such Lender, disadvantageous to such Lender.  Each Lender shall deliver a written statement of such Lender to the Borrower (with a copy to the Agent) as to the amount due, if any, under Section 3.1, 3.2, 3.4 or 3.5.  Such written statement shall set forth in reasonable detail the calculations upon which such Lender determined such amount and shall be final, conclusive and binding on the Borrower in the absence of manifest error.  Determination of amounts payable under such Sections in connection with a Eurodollar Loan shall be calculated as though each Lender funded its Eurodollar Loan through the purchase of a deposit of the type and maturity corresponding to the deposit used as a reference in determining the Adjusted LIBO Rate applicable to such Loan, whether in fact that is the case or not.  Unless otherwise provided herein, the amount specified in the written statement of any Lender shall be payable on demand after receipt by the Borrower of such written statement.  The obligations of the Borrower under Sections 3.1, 3.2, 3.4 and 3.5 shall survive payment of the Obligations and termination of this Agreement.

3.7.          Replacement of Lender.  If the Borrower is required pursuant to Section 3.1, 3.2 or 3.5 to make any additional payment to any Lender or if any Lender’s obligation to make or continue, or to convert Floating Rate Advances into, Eurodollar Advances shall be suspended pursuant to Section 3.3 or if any Lender is a Defaulting Lender (any such Lender, an “Affected Lender”), the Borrower, at its sole expense and effort, upon notice to such Lender and the Agent, may elect, if such amounts continue to be charged or such suspension is still effective, to replace such Affected Lender as a Lender party to this Agreement (in accordance with and subject to the restrictions contained in Article XII), provided that, no Default or Unmatured Default shall have occurred and be continuing at the time of such replacement, and provided further that, concurrently with such replacement, (i) another bank or other entity which is reasonably satisfactory to the Borrower, the Agent and LC Issuer shall agree, as of such date, to purchase for cash the Advances and other Obligations due to the Affected Lender pursuant to an Assignment Agreement (and a Defaulting Lender shall be deemed to have executed and delivered such an Assignment Agreement if it fails to do so) and to become a Lender for all purposes under this Agreement and to assume all obligations of the Affected Lender to be terminated as of such date and to comply with the requirements of Section 12.3 applicable to assignments, and (ii) the Borrower shall pay to such Affected Lender in same day funds on the day of such replacement (A) all interest, fees and other amounts then accrued but unpaid to such Affected Lender by the Borrower hereunder to and including the date of termination, including without limitation payments due to such Affected Lender under Sections 3.1, 3.2 and 3.5, and (B) an amount, if any, equal to the payment which would have been due to such Lender on the day of such replacement under Section 3.4 had the Loans of such Affected Lender been prepaid on such date rather than sold to the replacement Lender.

ARTICLE IV

CONDITIONS PRECEDENT

4.1.          Effectiveness.  This Agreement will not become effective unless the Borrower has satisfied each of the following conditions in a manner satisfactory to the Agent and the Lenders, and with respect to any condition requiring delivery of any agreement, certificate, document, or instrument to the Lenders, the Borrower has agreed that any such agreement, certificate, document, or instrument delivered to Agent may be distributed by Agent to the Lenders.

(a)           This Agreement or counterparts hereof shall have been duly executed by Borrower, the Agent and the Lenders; and the Agent shall have received duly executed copies of the Loan Documents and such other documents, instruments and agreements as the Agent shall reasonably request in connection with the transactions contemplated by this Agreement and the other Loan Documents, each in form and substance reasonably satisfactory to the Agent including, without limitation, amended and restated Notes and a ratification of other Loan Documents executed in connection with the Original Loan Agreement.

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(b)           Each of Holdings, Managing General Partner and Borrower shall have delivered copies of its articles or certificate of limited partnership, formation or incorporation, as applicable, together with all amendments, and a certificate of good standing, each certified by the appropriate governmental officer in its jurisdiction of incorporation or organization.

(c)           Holdings and Borrower shall have delivered copies (in the case of Holdings, certified by its Managing General Partner), of its bylaws, limited liability company agreement, or partnership agreement, as applicable, and of its resolutions or actions of by the Managing General Partner, its members or any other body authorizing the execution, delivery and performance of the Loan Documents to which such Loan Party is a party.

(d)           Borrower and Managing General Partner shall have delivered an incumbency certificate, executed by its Secretary or Assistant Secretary, which shall identify by name and title and bear the signatures of the Authorized Officers and any other officers of Borrower, Holdings or Managing General Partner authorized to sign the Loan Documents to which such Loan Party is a party, upon which certificate the Agent and the Lenders shall be entitled to rely until informed of any change in writing by such Loan Party.

(e)           The Borrower shall have delivered a certificate, signed by the chief financial officer of the Borrower, on the initial Credit Extension Date (i) stating that no Default or Unmatured Default has occurred and is continuing as of such Credit Extension Date and the Closing Date, (ii) stating that the representations and warranties contained in Article V are true and correct as of such Credit Extension Date and the Closing Date, and (iii) specifying the deposit account at JPMorgan Chase Bank, N.A. which shall be used as the Funding Account.

(f)            Borrower shall have delivered a written opinion of the Loan Parties’ counsel, addressed to the Agent, the LC Issuer and the Lenders in form and substance reasonably satisfactory to the Agent.

(g)           The Borrower shall have delivered any Notes requested by a Lender pursuant to Section 2.25 payable to the order of each such requesting Lender.

(h)           The Borrower shall have delivered money transfer authorizations as the Agent may have reasonably requested.

(i)            The Borrower shall have delivered the Management Agreement and Riverstone, Borrower, and Agent, for the benefit of the Agent and the Lenders, shall have entered into the Management Fee Subordination Agreement, in each case in form and substance satisfactory to Agent.

(j)            The Borrower shall have delivered and the Agent shall have approved for itself and the Lenders the Appraised Value Report dated as of September 30, 2010.

(k)           The Borrower shall have delivered a Borrowing Base Certificate which calculates the Borrowing Base as of the end of the Business Day immediately preceding the Effective Date.

(l)            The Borrower shall have delivered to the Agent and the Lenders the unaudited interim financial statements of the Borrower for the period ending on October 31, 2010.

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(m)          The Agent and Lenders shall have completed their business due diligence and the Loan Parties’ corporate structure, capital structure, rental and lease agreements, material accounts and governing documents shall be acceptable to the Agent.  In addition, the terms and conditions of all Indebtedness of Borrower shall be acceptable to Agent.

(n)           All legal (including tax implications) and regulatory matters, including, but not limited to compliance with applicable requirements of Regulations U, T and X of the Board of Governors of the Federal Reserve System, shall be satisfactory to the Agent and the Lenders.

(o)           The Borrower shall have delivered to Agent a ratification of the other Loan Documents in form and substance satisfactory to Agent.

(p)           The Borrower shall have delivered evidence of insurance coverage in form, scope, and substance reasonably satisfactory to the Agent and otherwise in compliance with the terms of Section 6.7.

(q)           The Borrower shall have delivered each Collateral Access Agreement required to be provided pursuant to Section 6.13 except (i) to the extent previously provided in connection with the Original Loan Agreement, (ii) the Collateral Access Agreement for the 100 Congress Ave, Suite 450, Austin, Texas location, which the Loan Parties will use commercially reasonable efforts to obtain and (iii) for those locations listed on the attached Schedule 4.1.

(r)            The Borrower shall have delivered each Deposit Account Control Agreement required to be provided pursuant to Section 6.14 except to the extent previously provided in connection with the Original Loan Agreement.

(s)           After giving effect to all Credit Extensions to be made on the Effective Date and payment of all fees and expenses due hereunder, payment of the purchase price as set forth in the Riverstone Acquisition Agreement, and with all of the Loan Parties’ indebtedness, liabilities, and obligations (including trade payables) current, the Borrower’s Availability shall not be less than $50,000,000.

(t)            The Borrower shall have paid all of the fees and expenses owing to the Agent, the Arranger, the LC Issuer and the Lenders pursuant to Section 2.10, and Section 9.6(a).

(u)           The Agent shall have completed a field examination, the results of which shall be satisfactory to Agent.

(v)           The Borrower shall have delivered to Agent certified copies of the final Riverstone Acquisition Documents and any amendments, modifications or waivers thereto, the material obligations or covenants of which all parties to the Riverstone Acquisition Agreement shall have been performed or complied with on or before the Closing Date.

(w)          The Loan Parties shall have delivered an assignment of representations, warranties, covenants, indemnities and rights, in form and substance reasonably satisfactory to Agent, in respect of the Loan Parties’ rights under the Escrow Agreement executed in connection with the Riverstone Acquisition, which assignment shall be expressly permitted by such Escrow Agreement or shall have been consented to by the parties to the Escrow Agreement in writing (the “Collateral Assignment of Contracts”).

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(x)            The Borrower shall have delivered to Agent the financial projections for the period of December 2010 through December 2014, including monthly projections reflecting the consummation of the Riverstone Acquisition, the related financings and the other transactions contemplated by this Agreement to occur on or prior to the Closing Date, which Budget shall be in form and substance satisfactory to Agent (it being understood and agreed that the foregoing financial projections shall satisfy the requirement to deliver a Budget for the fiscal year ending December 31, 2011).

(y)           No Material Adverse Effect shall have occurred since December 31, 2009.

(z)            Borrower shall have delivered such other documents as the Agent, the LC Issuer, any Lender or their respective counsel may have reasonably requested.

4.2.          Each Credit Extension.  Except as otherwise expressly provided herein, the Lenders shall not be required to make any Credit Extension if on the applicable Credit Extension Date:

(a)           There exists any Default or Unmatured Default or any Default or Unmatured Default shall result from any such Credit Extension and the Agent or the Required Lenders shall have determined not to make any Credit Extension as a result of such Default or Unmatured Default.

(b)           Any representation or warranty contained in Article V is untrue or incorrect as of such Credit Extension Date except to the extent any such representation or warranty is stated to relate solely to an earlier date.

(c)           After giving effect to such Credit Extension, Availability would be less than zero.

Each Borrowing Notice or request for issuance of Facility LC with respect to each such Credit Extension shall constitute a representation and warranty by the Borrower that the conditions contained in Section 4.1 have been satisfied and that none of the conditions set forth in Section 4.2 exist as of the applicable Credit Extension Date.  Any Lender may require a duly completed Compliance Certificate as a condition to making a Credit Extension.

ARTICLE V

REPRESENTATIONS AND WARRANTIES

Each Loan Party jointly and severally represents and warrants to Lenders as follows:

5.1.          Existence and Standing.  Each Loan Party is a corporation, partnership or limited liability company duly and properly incorporated or organized, as the case may be, validly existing and in good standing under the laws of its jurisdiction of incorporation or organization and, except where the failure to do so, individually or in the aggregate, could not reasonably be expected to have a Material Adverse Effect, has all requisite authority to conduct its business in each jurisdiction in which its business is conducted.

5.2.          Authorization and Validity.  Each Loan Party has the power and authority and legal right to execute and deliver the Loan Documents to which it is a party and to perform its obligations thereunder.  The execution and delivery by each Loan Party of the Loan Documents to which it is a party and the performance of its obligations thereunder have been duly authorized by proper proceedings, and the Loan Documents to which such Loan Party is a party constitute legal, valid and binding obligations of such Loan Party enforceable against such Loan Party in accordance with their terms, except as enforceability may be limited by bankruptcy, insolvency or similar laws affecting the enforcement of creditors’ rights generally.

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5.3.          No Conflict; Government Consent.  Neither the execution and delivery by any Loan Party of the Loan Documents to which it is a party, nor the consummation of the transactions therein contemplated, nor compliance with the provisions thereof will violate (i) any law, rule, regulation, order, writ, judgment, injunction, decree or award binding on such Loan Party or (ii) any Loan Party’s articles or certificate of incorporation, partnership agreement, certificate of partnership, articles or certificate of organization, by-laws, or operating or other management agreement, as the case may be, or (iii) the provisions of any material indenture, instrument or agreement to which any Loan Party is a party or is subject, or by which it, or its Property, is bound, or conflict with or constitute a default thereunder, or result in, or require, the creation or imposition of any Lien in, of or on the Property of such Loan Party pursuant to the terms of any such indenture, instrument or agreement.  No order, consent, adjudication, approval, license, authorization, or validation of, or filing, recording or registration with, or exemption by, or other action in respect of any governmental or public body or authority, or any subdivision thereof, which has not been obtained by a Loan Party, is required to be obtained by any Loan Party in connection with the execution and delivery of the Loan Documents, the borrowings under this Agreement, the payment and performance by the Loan Parties of the Obligations or the legality, validity, binding effect or enforceability of any of the Loan Documents.

5.4.          Security Interest in Collateral.  The provisions of this Agreement and the other Loan Documents create legal and valid Liens on all the Collateral in favor of the Agent, for the benefit of the Agent and the Lenders, and upon the recording of financing statements covering the Collateral in the state of organization of the applicable Loan Party, such Liens constitute perfected and continuing Liens on the Collateral, securing the Obligations, enforceable against the applicable Loan Party and all third parties, and having priority over all other Liens on the Collateral except in the case of (a) Permitted Liens, to the extent any such Permitted Liens would have priority over the Liens in favor of the Agent pursuant to any applicable law and (b) Liens perfected only by possession (including possession of any certificate of title) to the extent the Agent has not obtained or does not maintain possession of such Collateral.

5.5.          Financial Statements.

(a)           The audited consolidated financial statements of the Borrower and its Subsidiaries for the period ending on December 31, 2009 heretofore delivered to the Lenders were prepared in accordance with GAAP (as in effect on the date such statements were prepared) and fairly present the consolidated financial condition and operations of the Borrower and its Subsidiaries at such date and the consolidated results of their operations for the period then ended.  The unaudited interim financial statements of the Borrower and its Subsidiaries for the period ended October 31, 2010 heretofore delivered by the Borrower to the Lenders were prepared in accordance with GAAP (as in effect on the date such statements were prepared except for the presentation of footnotes and for applicable normal year-end audit adjustments) and fairly present the consolidated financial condition and operations of the Borrower and its Subsidiaries at such date and the consolidated results of their operations for the period then ended.

(b)           The most recent Budget delivered to the Agent and the Lenders pursuant to Section 6.1(c), represent the Borrower’s good faith estimate of anticipated financial performance of the Borrower for the period set forth therein based upon assumptions believed by Borrower to be reasonable at the time of such delivery, but shall not constitute or be deemed to constitute a representation or warranty that such anticipated performance will in fact be achieved.  Whether or not any such results are in fact achieved will depend upon future events, some of which are not within the control of the Borrower.  Accordingly (but without limiting the first sentence of this Section 5.5(b)), actual results may vary from the projected results.

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5.6.          Material Adverse Change.  Since December 31, 2009 there has been no change in the business, Collateral Property, condition (financial or otherwise) or results of operations of the Loan Parties or other event which could reasonably be expected to have a Material Adverse Effect.

5.7.          Taxes.  The Loan Parties have filed all U.S. federal tax returns and all other tax returns which are required to be filed and have paid all taxes due pursuant to said returns or pursuant to any assessment received by any Loan Party, except such taxes, if any, as are being contested in good faith and as to which adequate reserves have been provided in accordance with GAAP and as to which no Lien exists.  No tax liens have been filed and, to Borrower’s knowledge, no claims are being asserted with respect to any such taxes.  The charges, accruals and reserves on the books of the Loan Parties in respect of any taxes or other governmental charges are adequate.

5.8.          Litigation and Contingent Obligations.  Except as set forth on Schedule 5.8, there is no litigation, arbitration, governmental investigation, proceeding or inquiry pending or, to the knowledge of any of their officers, threatened against or affecting any Loan Party which could reasonably be expected to have a Material Adverse Effect or which seeks to prevent, enjoin or delay the making of any Credit Extensions.  Other than any liability incident to any litigation, arbitration or proceeding which (i) could not reasonably be expected to have a Material Adverse Effect or (ii) is set forth on Schedule 5.8, no Loan Party has any material contingent obligations not provided for or disclosed in the financial statements referred to in Section 5.5.

5.9.          Capitalization and Subsidiaries.  Schedule 5.9 sets forth (a) a correct and complete list of the name and relationship to Holdings of each and all of Holdings’ Subsidiaries, (b) the location of the chief executive office of Holdings and each of its Subsidiaries and each other location where any of them have maintained their chief executive office in the past five years, (c) a true and complete listing of each class of each of Holdings and the Borrower’s authorized Capital Stock, of which all of such issued shares are validly issued, outstanding, fully paid and non-assessable, and owned beneficially and of record by the Persons identified on Schedule 5.9, and (d) the type of entity of Holdings and each of its Subsidiaries.  With respect to each Loan Party, Schedule 5.9 also sets forth the employer or taxpayer identification number of each Loan Party and the organizational identification number issued by each Loan Party’s jurisdiction of organization or a statement that no such number has been issued.  All of the issued and outstanding Capital Stock owned by any Loan Party has been (to the extent such concepts are relevant with respect to such ownership interests) duly authorized and issued and is fully paid and non-assessable.

5.10.        ERISA.  No ERISA Event has occurred or is reasonably expected to occur that, when taken together with all other such ERISA Events for which liability is reasonably expected to occur, could reasonably be expected to result in a Material Adverse Effect.  Except as would not reasonably be expected to result in a Material Adverse Effect, the present value of all accumulated benefit obligations under each Plan (based on the assumptions used for purposes of Statement of Financial Accounting Standards No. 87) did not, as of the date of the most recent financial statements reflecting such amounts, exceed the fair market value of the assets of such Plan, and the present value of all accumulated benefit obligations of all underfunded Plans (based on the assumptions used for purposes of Statement of Financial Accounting Standards No. 87) did not, as of the date of the most recent financial statements reflecting such amounts, exceed the fair market value of the assets of all such underfunded Plans.

5.11.        Accuracy of Information.  No information, exhibit or report furnished by any Loan Party to the Agent or to any Lender in connection with the Loan Documents on the Closing Date or during the term of the Loan Documents contained any material misstatement of fact or omitted to state a material fact or any fact necessary to make the statements contained therein not misleading.

5.12.        Names; Prior Transactions.  Except as set forth on Schedule 5.12, the Loan Parties have not, during the past five years, been known by or used any other corporate or fictitious name, or been a party to any merger or consolidation, or been a party to any Acquisition.

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5.13.        Regulation U.  No Loan Party is engaged, nor will it engage, principally or as one of its important activities, in the business of extending credit for the purpose of “purchasing” or “carrying” any “margin stock” as such terms are defined in Regulation U of the Federal Reserve Board as now and from time to time hereafter in effect (such securities being referred to herein as “Margin Stock”).  No Loan Party owns any Margin Stock, and none of the proceeds of the Loans or other extensions of credit under this Agreement will be used, directly or indirectly, for the purpose of purchasing or carrying any Margin Stock, for the purpose of reducing or retiring any Indebtedness that was originally incurred to purchase or carry any Margin Stock or for any other purpose that might cause any of the Loans or other extensions of credit under this Agreement to be considered a “purpose credit” within the meaning of Regulations T, U or X of the Federal Reserve Board.  No Loan Party will take or permit to be taken any action that might cause any Loan Document to violate any regulation of the Federal Reserve Board.

5.14.        Material Agreements.  Schedule 5.14 hereto sets forth as of the Closing Date all material agreements and contracts to which any Loan Party is a party or is bound as of the date hereof.  No Loan Party is subject to any charter or other corporate restriction which could reasonably be expected to have a Material Adverse Effect.  No Loan Party is in default in the performance, observance or fulfillment of any of the obligations, covenants or conditions contained in any material agreement (other than a Material Indebtedness Agreement) to which it is a party that has resulted in any of its top 5 customers terminating substantially all of their contracts with such Loan Party.  No default, event of default or other similar event exists under any Material Indebtedness Agreement that permits the lender(s) thereunder to accelerate such Indebtedness.

5.15.        Compliance With Laws.  The Loan Parties have complied in all material respects with all applicable statutes, rules, regulations, orders and restrictions of any domestic or foreign government or any instrumentality or agency thereof having jurisdiction over the conduct of their respective businesses or the ownership of their respective Property.

5.16.        Ownership of Properties.  Except as set forth on Schedule 5.16, on the date of this Agreement, the Loan Parties will have good title, free of all Liens other than those permitted by Section 6.22, to all of the Collateral of Borrower and all of the Property and assets reflected in the Loan Parties’ most recent consolidated financial statements provided to the Agent as owned by the Loan Parties.

5.17.        [Reserved].

5.18.        Environmental Matters.  In the ordinary course of its business, the officers of each Loan Party consider the effect of Environmental Laws on the business of such Loan Party, in the course of which they identify and evaluate potential risks and liabilities accruing to such Loan Party due to Environmental Laws.  On the basis of this consideration, the Loan Parties have concluded that Environmental Laws cannot reasonably be expected to have a Material Adverse Effect.  No Loan Party has received any notice to the effect that its operations are not in material compliance with any of the requirements of applicable Environmental Laws or are the subject of any federal or state investigation evaluating whether any remedial action is needed to respond to a release of any toxic or hazardous waste or substance into the environment.

5.19.        Investment Company Act.  No Loan Party is an “investment company” or a company “controlled” by an “investment company”, within the meaning of the Investment Company Act of 1940, as amended.

5.20.        [Reserved].

5.21.        Bank Accounts.  As of the Closing Date, Exhibit B to the Security Agreement contains a complete and accurate list of all bank accounts maintained by each Loan Party with any bank or other financial institution.

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5.22.        Indebtedness.  As of the Closing Date and after giving effect to the Credit Extensions to be made on the Closing Date (if any), the Loan Parties have no Indebtedness, except for (a) the Obligations, and (b) any Indebtedness described on Schedule 5.22 and (c) Indebtedness permitted pursuant to Section 6.17.

5.23.        Affiliate Transactions.  Except as set forth on Schedule 5.23 or otherwise permitted hereunder (including, without limitation the payment of Management Fees subject to the requirements set forth in Section 6.16(a)), as of the Closing Date, there are no existing or proposed agreements, arrangements, understandings, or transactions between any Loan Party and any of the officers, members, managers, directors, stockholders, parents, other interest holders, employees, or Affiliates (other than Subsidiaries) of any Loan Party or any members of their respective immediate families, and none of the foregoing Persons are directly or indirectly indebted to or have any direct or indirect ownership, partnership, or voting interest in any Affiliate of any Loan Party or any Person with which any Loan Party has a business relationship or which competes with any Loan Party.

5.24.        Real Property; Leases.  As of the Closing Date, Schedule 5.24 sets forth a correct and complete list of all real Property owned by each Loan Party, all leases and subleases of real Property by each Loan Party as lessee or sublessee, and all leases and subleases of real Property by each Loan Party as lessor or sublessor.  Each of such leases and subleases is valid and enforceable in accordance with its terms and is in full force and effect, and no default by any party to any such lease or sublease exists.  Each Loan Party has good and indefeasible title in fee simple to the real Property identified on Schedule 5.24 as owned by such Loan Party, or valid leasehold interests in all real Property designated therein as “leased” by such Loan Party.

5.25.        Intellectual Property Rights.  As of the Closing Date: (a) Schedule 5.25 sets forth a correct and complete list of all Intellectual Property Rights of each Loan Party; (b) none of the Intellectual Property Rights listed in Schedule 5.25 is subject to any licensing agreement or similar arrangement except as set forth in Schedule 5.25; (c) the Intellectual Property Rights described in Schedule 5.25 constitute all of the property of such type necessary to the current and anticipated future conduct of the Loan Parties’ business; (d) to the best of each Loan Party’s knowledge, no slogan or other advertising device, product, process, method, substance, part, or other material now employed, or now contemplated to be employed, by any Loan Party infringes in any material respect upon any rights held by any other Person; and (e) no claim or litigation regarding any of the foregoing is pending or threatened, and no patent, invention, device, application, principle or any statute, law, rule, regulation, standard, or code is pending or, to the knowledge of any Loan Party, proposed.

5.26.        Insurance.  Schedule 5.26 lists all insurance policies of any nature maintained, as of the Closing Date, by each Loan Party, as well as a summary of the terms of each such policy.

5.27.        Solvency.

(a)           Immediately after the consummation of the Riverstone Acquisition and the transactions to occur on the Closing Date and immediately following the making of each Credit Extension, and after giving effect to the application of the proceeds of such Credit Extensions, (a) the fair value of the assets of each Loan Party, at a fair valuation, will exceed the debts and liabilities, subordinated, contingent or otherwise, of each Loan Party; (b) the present fair saleable value of the Property of each Loan Party will be greater than the amount that will be required to pay the probable liability of each Loan Party on its debts and other liabilities, subordinated, contingent or otherwise, as such debts and other liabilities become absolute and matured; (c) each Loan Party will be able to pay its debts and liabilities, subordinated, contingent or otherwise, as such debts and liabilities become absolute and matured; and (d) each Loan Party will not have unreasonably small capital with which to conduct the businesses in which it is engaged as such businesses are now conducted and are proposed to be conducted after the date hereof.

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(b)           Neither Holdings nor the Borrower intends to (nor does Borrower intend to permit any of its Subsidiaries to) and neither Holdings nor the Borrower believes that it or any of their Subsidiaries will, incur debts beyond its ability to pay such debts as they mature, taking into account the timing of and amounts of cash to be received by Holdings, the Borrower, or any such Subsidiary and the timing of the amounts of cash to be payable on or in respect of Holdings’ or the Borrower’s Indebtedness or the Indebtedness of any such Subsidiary.

5.28.        [Reserved]..

5.29.        Post-Retirement Benefits.  The present value of the expected cost of post-retirement medical and insurance benefits payable by each Loan Party to its employees and former employees, as estimated by such Loan Party in accordance with procedures and assumptions deemed reasonable by the Required Lenders, does not exceed $1,000,000.

5.30.        Common Enterprise.  The successful operation and condition of each of the Loan Parties is dependent on the continued successful performance of the functions of the group of the Loan Parties as a whole and the successful operation of each of the Loan Parties is dependent on the successful performance and operation of each other Loan Party.  Each Loan Party expects to derive benefit (and its board of directors or other governing body has determined that it may reasonably be expected to derive benefit), directly and indirectly, from (i) successful operations of each of the other Loan Parties and (ii) the credit extended by the Lenders to the Borrower hereunder, both in their separate capacities and as members of the group of companies.  Each Loan Party has determined that execution, delivery, and performance of this Agreement and any other Loan Documents to be executed by such Loan Party is within its purpose, will be of direct and indirect benefit to such Loan Party, and is in its best interest.

5.31.        Reportable Transaction.  The Borrower does not intend to treat the Advances and related transactions as being a “reportable transaction” (within the meaning of Treasury Regulation Section 1.6011-4).  In the event the Borrower determines to take any action inconsistent with such intention, it will promptly notify the Agent thereof.

5.32.        Labor Disputes.  Except as set forth on Schedule 5.32, as of the Closing Date (a) there is no collective bargaining agreement or other labor contract covering employees of the Borrower or any of its Subsidiaries, (b) no such collective bargaining agreement or other labor contract is scheduled to expire during the term of this Agreement, (c) to Borrower’s knowledge, no union or other labor organization is seeking to organize, or to be recognized as, a collective bargaining unit of employees of the Borrower or any of its Subsidiaries or for any similar purpose, and (d) there is no pending or (to the best of the Borrower’s knowledge) threatened, strike, work stoppage, material unfair labor practice claim, or other material labor dispute against or affecting the Borrower or its Subsidiaries or their employees.

5.33.        Representations, Warranties and Covenants of Acquisition Documents.  As of the Closing Date, each of the representations and warranties made by any Loan Party in the Riverstone Acquisition Documents as of such date is true and correct in all material respects, except with respect to any representations and warranties which refer to an earlier date, in which case, such representations and warranties are true and correct in all material respects as of such date.

ARTICLE VI

COVENANTS

Each Loan Party executing this Agreement jointly and severally agrees as to all Loan Parties that from and after the date hereof and until the Facility Termination Date:

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6.1.          Financial and Collateral Reporting.  Each Loan Party will maintain, for itself and each Subsidiary, a system of accounting established and administered in accordance with GAAP, and will furnish to the Lenders:

(a)           as soon as available, and in any event within one hundred twenty (120) days after the close of each Fiscal Year of Holdings and its Subsidiaries, an unqualified audit report certified by independent certified public accountants acceptable to the Required Lenders, prepared in accordance with GAAP on a consolidated and consolidating basis (consolidating statements need not be certified by such accountants), including balance sheets as of the end of such Fiscal Year, related profit and loss and reconciliation of surplus statements, and a statement of cash flows, accompanied by a certificate of said accountants that, in the course of their examination necessary for their certification of the foregoing, they have obtained no knowledge of any Default or Unmatured Default, or if, in the opinion of such accountants, any Default or Unmatured Default shall exist, stating the nature and status thereof, unless (i) obtaining such a certificate is not reasonably economically feasible in the good faith judgment of the Borrower and (ii) Agent has consented in its sole discretion to the Loan Parties not delivering such certificate;

(b)           as soon as available, and in any event within thirty (30) days after the close of each Fiscal Month of Holdings and its Subsidiaries, consolidated unaudited balance sheets as at the close of each such Fiscal Month and consolidated profit and loss and reconciliation of surplus statements and a statement of cash flows for the period from the beginning of the applicable Fiscal Year to the end of such Fiscal Month, all prepared in accordance with GAAP (except for exclusion of footnotes and subject to normal year-end audit adjustments) and certified by its chief financial officer or controller;

(c)           as soon as available, but in any event not more than sixty (60) days prior to the end of each Fiscal Year of the Borrower, but not less than thirty (30) days prior to the end of such Fiscal Year, a copy of the Budget in form reasonably satisfactory to the Agent;

(d)           together with each of the financial statements required under Sections 6.1(a) and (b) (solely for the third, sixth, ninth and twelfth Fiscal Months of each Fiscal Year), a compliance certificate in substantially the form of Exhibit E (a “Compliance Certificate”) signed by the chief financial officer or controller of Borrower showing the calculations necessary to determine compliance with this Agreement and stating that no Default or Unmatured Default exists, or if any Default or Unmatured Default exists, stating the nature and status thereof.

(e)           as soon as available:

(i)            and in any event by November 15 of each year thereafter, a report on the Net Orderly Liquidation Value (the “Appraised Value Report”) of the Borrower’s Compression Units prepared by the Approved Appraiser, which report shall update the prior Appraised Value Report (or desk review delivered pursuant to clause (ii) below) with data collected and verified no more than 30 days prior to September 30 of such year and having an effective date of September 30 of such year; and

(ii)           and in any event by May 15 of each year, a desk review of the most recently prepared Appraised Value Report (the “Appraised Value Report Desk Review”) prepared by the Approved Appraiser with adjustments for the unit value of any additions and/or deletions since the date of the most recent Appraised Value Report with data collected and verified no more than 30 days prior to March 31 of

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such year and having an effective date of March 31 of such year, based on average dollar value per unit of horsepower of such additions or deletions as set forth or implied in such Appraised Value Report.

(f)            as soon as available but in any event within (i) twenty (20) days of the end of each calendar month if Availability for each day is equal to or greater than $20,000,000 or (ii) three (3) days of the end of each calendar week if Availability for any day is less than $20,000,000, and at such other times as may be requested by the Agent, as of the period then ended, a Borrowing Base Certificate and supporting information in connection therewith;

(g)           as soon as available but in any event within twenty (20) days of the end of each calendar month and at such other times as may be requested by the Agent, as of the period then ended:

(i)            a detailed aging of the Borrower’s Accounts (1) including all invoices aged by invoice date and (2) reconciled to the Borrowing Base Certificate delivered as of such date prepared in a manner reasonably acceptable to the Agent, together with a summary specifying the name, address, and balance due for each Account Debtor;

(ii)           a schedule detailing the Borrower’s Inventory, in form satisfactory to the Agent, (1) by location (showing Inventory in transit, any Inventory located with a third party under any consignment, bailee arrangement, or warehouse agreement), by class (raw material, work-in-process and finished goods), by product type, and by volume on hand, which Inventory shall be valued at the lower of cost (determined on a first-in, first-out basis) or market and adjusted for Reserves as the Agent has previously indicated to the Borrower are deemed by the Agent to be appropriate, (2) including a report of any variances or other results of Inventory counts performed by the Borrower since the last Inventory schedule (including information regarding sales or other reductions, additions, returns, credits issued by Borrower and complaints and claims made against the Borrower), and (3) reconciled to the Borrowing Base Certificate delivered as of such date;

(iii)          a worksheet of calculations prepared by the Borrower to determine Eligible Accounts and Eligible Inventory, such worksheets detailing the Accounts and Inventory excluded from Eligible Accounts and Eligible Inventory and the reason for such exclusion;

(iv)          a reconciliation of the Borrower’s Accounts and Inventory between the amounts shown in the Borrower’s general ledger and financial statements and the reports delivered pursuant to clauses (i) and (ii) above; and

(v)           a reconciliation of the loan balance per the Borrower’s general ledger to the loan balance under this Agreement;

(h)           as soon as available but in any event within thirty (30) days of the end of each calendar month and at such other times as may be requested by the Agent, as of the month then ended, a schedule and aging of the Borrower’s accounts payable;

(i)            promptly upon the Agent’s request:

(i)            copies of invoices in connection with the invoices issued by the Borrower in connection with any Accounts, credit memos, shipping and delivery documents, and other information related thereto;

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(ii)           copies of purchase orders, invoices, and shipping and delivery documents in connection with any Inventory or Equipment purchased by any Loan Party; and

(iii)          a schedule detailing the balance of all intercompany accounts of the Loan Parties;

(j)            as soon as possible and in any event within thirty (30) days of filing thereof, copies of all tax returns filed by any Loan Party or the Managing General Partner with the U.S. Internal Revenue Service;

(k)           as soon as possible and in any event within two-hundred and seventy days after the close of the Fiscal Year of the Borrower, a statement of the Unfunded Liabilities of each Single Employer Plan that is sponsored or maintained by Borrower or a Subsidiary, certified as correct by an actuary enrolled under ERISA, if applicable;

(l)            as soon as possible and in any event within ten days after the Borrower knows that any Reportable Event has occurred with respect to any Plan that is sponsored or maintained by Borrower or a Subsidiary, a statement, signed by an Authorized Officer of Borrower, describing said Reportable Event and the action which the Borrower proposes to take with respect thereto;

(m)          as soon as possible and in any event within thirty (30) days of filing therewith with the PBGC, the U.S. Internal Revenue Service or any other governmental entity, a copy of each annual report or other filing with respect to any Plan that is sponsored or maintained by Borrower or a Subsidiary;

(n)           as soon as possible and in any event within ten days after receipt by any Loan Party, a copy of (i) any notice or claim to the effect that any Loan Party is or may be liable to any Person as a result of the release by any Loan Party, or any other Person of any toxic or hazardous waste or substance into the environment, and (ii) any notice alleging any violation of any federal, state or local environmental, health or safety law or regulation by the any Loan Party;

(o)           within thirty (30) days of each March 31 and September 30, an updated Customer List, certified as true and correct by an Authorized Officer of the Borrower;

(p)           Reserved;

(q)           promptly upon the filing thereof, copies of all registration statements and annual, quarterly, monthly or other regular reports which any Loan Party files with the Securities and Exchange Commission;

(r)            on the first Business Day of the month of March and September, a certificate of good standing for each Loan Party from the appropriate governmental officer in its jurisdiction of incorporation, formation, or organization and upon Agent’s request, a certificate of authority to do business from the appropriate governmental officer in each foreign jurisdiction where the Borrower is qualified to do business; and

(s)           such other information (including non-financial information) as the Agent or any Lender may from time to time reasonably request.

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6.2.          Use of Proceeds.

(a)           The Borrower will use the proceeds of the Credit Extensions (i) to repay the outstanding indebtedness, liabilities and obligations under the Prior JPMorgan Chase Bank, N.A. Agreement, (ii) for working capital requirements, (iii) for general corporate purposes (not otherwise prohibited by this Agreement), and (iv) to fund a portion of the purchase price of the Riverstone Acquisition Agreement, so long as immediately prior to and after giving effect to the transactions contemplated by the Riverstone Acquisition Agreement and funding of the purchase price by Holdings pursuant to the Riverstone Acquisition Agreement, Availability shall be no less than $50,000,000.

(b)           The Borrower will not, nor will it permit any Loan Party to, use any of the proceeds of the Credit Extensions to (i) purchase or carry any Margin Stock in violation of Regulation U, (ii) repay or refinance any Indebtedness of any Person incurred to buy or carry any Margin Stock, (iii) acquire any security in any transaction that is subject to Section 13 or Section 14 of the Securities Exchange Act of 1934 (and the regulations promulgated thereunder), or (iv) make any Acquisition (except as permitted by Section 6.2(a)(iv) above).

6.3.          Notices.  Each Loan Party will give prompt notice in writing to the Agent and the Lenders of:

(a)           the occurrence of any Default or Unmatured Default;

(b)           any other development, financial or otherwise, which could reasonably be expected to have a Material Adverse Effect;

(c)           the assertion by the holder of any Capital Stock of any Loan Party or the holder of any Indebtedness of any Loan Party in excess of $500,000 that any default exists with respect thereto;

(d)           receipt of any written notice that any Loan Party is subject to any investigation by any governmental entity with respect to any potential or alleged violation of any applicable Environmental Law with respect to a claim of $500,000 or more, or of imposition of any Lien against any Property of any Loan Party for any liability with respect to damages arising from, or costs resulting from, any violation of any Environmental Laws;

(e)           receipt of any notice of litigation commenced or threatened against any Loan Party that (i) seeks damages in excess of $500,000, (ii) seeks injunctive relief, (iii) is asserted or instituted against any Plan, its fiduciaries or its assets, (iv) alleges criminal misconduct by any Loan Party, (v) alleges the violation of any law regarding, or seeks remedies in connection with, any Environmental Laws with respect to a claims in excess of $500,000, in the aggregate; or (vi) involves any product recall that could reasonably be expected to have a Material Adverse Effect;

(f)            any Lien (other than Permitted Liens) or claim made or asserted against any of the Collateral;

(g)           its decision to change, (i) such Loan Party’s name or type of entity, (ii) such Loan Party’s articles or certificate of incorporation, partnership agreement, certificate of partnership, articles or certificate of organization, by-laws, or operating or other management agreement, and (iii) the location where any Collateral is held or maintained; provided that, in no event shall the Agent receive notice of such change less than thirty days prior thereto;

(h)           commencement of any proceedings contesting any tax, fee, assessment, or other governmental charge in excess of $500,000;

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(i)            the opening of any new deposit account by any Loan Party with any bank or other financial institution (and Borrower shall comply with Section 6.14 hereof with respect thereto);

(j)            any loss, damage, or destruction to the Collateral in the amount of $1,000,000 or more, whether or not covered by insurance;

(k)           any and all default notices received under or with respect to any leased location or public warehouse where Collateral is located (which shall be delivered within two Business Days after receipt thereof);

(l)            all material amendments to real estate leases, together with a copy of each such amendment;

(m)          immediately after becoming aware of any pending or threatened strike, work stoppage, unfair labor practice claim, or other labor dispute affecting the Borrower or any of its Subsidiaries in a manner;

(n)           evidence of payment of monthly lease or rental payments as to each leased or rented location for which a landlord or bailee waiver has not been obtained (which shall be delivered within three Business Days after payment thereof);

(o)           the fact that such Loan Party has entered into a Rate Management Transaction or an amendment to a Rate Management Transaction, together with copies of all agreements evidencing such Rate Management Transactions or amendments thereto (which shall be delivered within two Business Days);

(p)           the occurrence of any ERISA Event that, alone or together with any other ERISA Events that have occurred, would reasonably be expected to result in liability of the Borrowers and their Subsidiaries in an aggregate amount exceeding $750,000; and

(q)           any other matter as Agent may reasonably request.

6.4.          Conduct of Business.  Each Loan Party will:

(a)           carry on and conduct its business in substantially the same manner and in substantially the same fields of enterprise as it is presently conducted and upon the prior written consent of Agent in its sole discretion, reasonable extensions thereof;

(b)           do all things necessary to remain duly incorporated or organized, validly existing and (to the extent such concept applies to such entity) in good standing as a domestic corporation, partnership or limited liability company in its jurisdiction of incorporation or organization, as the case may be, and, except where the failure to do so, either individually or in the aggregate, could not reasonably be expected to result in a Material Adverse Effect, maintain all requisite authority to conduct its business in each jurisdiction in which its business is conducted;

(c)           keep adequate books and records with respect to its business activities in which proper entries, reflecting all financial transactions, are made in accordance with GAAP and on a basis consistent with the Financial Statements delivered to the Agent pursuant to Section 4.1(m);

(d)           at all times maintain, preserve and protect all of its assets and properties used or useful in the conduct of its business, and keep the same in good repair, working

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order and condition in all material respects (taking into consideration ordinary wear and tear) and from time to time make, or cause to be made, all necessary or appropriate repairs, replacements and improvements thereto consistent with industry practices; and

(e)           transact business only in such corporate and trade names as are set forth in Schedule 5.12.

6.5.          Taxes.  Each Loan Party will timely file complete and correct U.S. federal and applicable foreign, state and local tax returns required by law and pay when due all taxes, assessments and governmental charges and levies upon it or its income, profits, Property or Collateral, except those (i) which are being contested in good faith by appropriate proceedings and with respect to which adequate reserves have been set aside in accordance with GAAP and (ii) for which no Lien has been asserted (except for a Permitted Lien pursuant to Section 6.22(a)(i)).

6.6.          Payment of Indebtedness and Other Liabilities.  Each Loan Party will pay or discharge when due all Material Indebtedness (except as prohibited by any subordination agreement applicable thereto, in form and substance acceptable to Agent) permitted by Section 6.17 owed by such Loan Party and all other liabilities and obligations due to materialmen, mechanics, carriers, warehousemen, and landlords other than Permitted Liens, except that the Loan Parties may in good faith contest, by appropriate proceedings diligently pursued, any such obligations; provided that, (a) adequate reserves have been set aside for such liabilities in accordance with GAAP, (b) such liabilities would not result in aggregate liabilities contested in excess of $1,000,000, (c) no Lien shall be imposed to secure payment of such liabilities that is superior to the Agent’s Liens securing the Secured Obligations, (d) none of the Collateral becomes subject to forfeiture or loss as a result of the contest and (e) such Loan Party shall promptly pay or discharge such contested liabilities, if any, and shall deliver to the Agent evidence reasonably acceptable to the Agent of such compliance, payment or discharge, if such contest is terminated or discontinued adversely to such Loan Party or the conditions set forth in this proviso are no longer met.

6.7.          Insurance.

(a)           Each Loan Party shall at all times maintain, with financially sound and reputable carriers having a Financial Strength rating of at least A- by A.M. Best Company, insurance against: (i) loss or damage by fire and loss in transit; (ii) theft, burglary, pilferage, larceny and embezzlement; (iii) business interruption; (iv) general liability and (v) and such other hazards, as is customary in the business of such Loan Party.  All such insurance shall be in amounts, cover such assets and be under policies acceptable to the Agent in its Permitted Discretion.  In the event any Collateral is located in any area that has been designated by the Federal Emergency Management Agency as a “Special Flood Hazard Area”, the applicable Loan Party shall purchase and maintain flood insurance on such Collateral (including any personal Property which is located on any real Property leased by such Loan Party within a “Special Flood Hazard Area”).  The amount of all insurance required by this Section shall at a minimum comply with applicable law, including the Flood Disaster Protection Act of 1973, as amended.  All premiums on such insurance shall be paid when due by the applicable Loan Party, and, upon written request of the Agent, and copies of the policies shall be delivered to the Agent.  If any Loan Party fails to obtain any insurance as required by this Section, the Agent at the direction of the Required Lenders may obtain such insurance at the Borrower’ expense.

(b)           All insurance policies required under Section 6.7(a) shall name the Agent (for the benefit of the Agent and the Lenders) as an additional insured or as loss payee, as applicable, and shall provide that, or contain loss payable clauses or mortgagee clauses, in form and substance satisfactory to the Agent, which provide that:

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(i)            all proceeds thereunder with respect to any Collateral shall be payable to the Agent;

(ii)           as to the interest of Agent (for itself and the other Lenders), no such insurance shall be affected by any act or neglect of the insured or owner of the Property described in such policy; and

(iii)          such policy and loss payable clauses may be canceled, amended, or terminated only upon at least thirty days prior written notice given to the Agent.

(c)           Notwithstanding the foregoing, any insurance or condemnation proceeds received by the Loan Parties shall be immediately forwarded to the Agent and the Agent may, at its option, apply any such proceeds to the reduction of the Obligations in accordance with Section 2.15(e), provided that in the case of insurance proceeds pertaining to any Loan Party other than the Borrower, such insurance proceeds shall be applied to the Loans owing by the Borrower. The Agent may permit or require any Loan Party to use such money, or any part thereof, to replace, repair, restore or rebuild the Collateral in a diligent and expeditious manner with materials and workmanship of substantially the same quality as existed before the loss, damage or destruction. Notwithstanding the foregoing, if the casualty giving rise to such insurance proceeds could not reasonably be expected to have a Material Adverse Effect and such insurance proceeds do not exceed $1,000,000 in the aggregate, upon the applicable Loan Party’s request, the Agent shall permit such Loan Party to replace, restore, repair or rebuild the property; provided that, if such Loan Party has not completed or entered into binding agreements to complete such replacement, restoration, repair or rebuilding within ninety days of such casualty, the Agent may apply such insurance proceeds to the Obligations in accordance with Section 2.15.  All insurance proceeds that are to be made available to the Borrower to replace, repair, restore or rebuild the Collateral shall be applied by the Agent to reduce the outstanding principal balance of the Revolving Loans (which application shall not result in a permanent reduction of the Commitment) and upon such application, the Agent shall establish a Reserve against the Borrowing Base in an amount equal to the amount of such proceeds so applied.  All insurance proceeds made available to any Loan Party that is not a Borrower to replace, repair, restore or rebuild Collateral shall be deposited in a cash collateral account.  In either case, thereafter, such funds shall be made available to the applicable Loan Party to provide funds to replace, repair, restore or rebuild the Collateral as follows:

(i)            Borrower shall request a Revolving Loan or the applicable Loan Party shall request a release from the cash collateral account be made in the amount needed;

(ii)           so long as the conditions set forth in Section 4.2 have been met, the Lenders shall make such Revolving Loan or Agent shall release funds from the cash collateral account; and

(iii)          in the case of insurance proceeds applied against the Revolving Loan, the Reserve established with respect to such insurance proceeds shall be reduced by the amount of such Revolving Loan.

6.8.          Compliance with Laws.  Each Loan Party will comply in all material respects with all laws, rules, regulations, orders, writs, judgments, injunctions, decrees or awards to which it may be subject including, without limitation, all Environmental Laws.

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6.9.          Maintenance of Properties and Intellectual Property Rights.  Each Loan Party will do all things necessary to (i) maintain, preserve, protect and keep its Property in good repair, working order and condition, and make all necessary and proper repairs, renewals and replacements so that its business carried on in connection therewith may be properly conducted at all times and (ii) obtain and maintain in effect at all times all material franchises, governmental authorizations, Intellectual Property Rights, licenses and permits, which are necessary for it to own its Property or conduct its business as conducted on the Closing Date.

6.10.        Inspection.  Each Loan Party will permit the Agent and the Lenders, by their respective employees, representatives and agents, from time to time upon two Business Days’ prior notice as frequently as Agent reasonably determines to be appropriate, to (a) inspect any of the Property, the Collateral, and the books and financial records of such Loan Party, (b) examine, audit and make extracts or copies of the books of accounts and other financial records of such Loan Party, (c) have access during normal business hours to its properties, facilities, the Collateral and its advisors, officers, directors and employees to discuss the affairs, finances and accounts of such Loan Party and (d) review, evaluate and make test verifications and counts of the Accounts, Inventory and other Collateral of such Loan Party.  If a Default or an Unmatured Default has occurred and is continuing, each Loan Party shall provide such access to the Agent and to each Lender at all times and without advance notice.  Furthermore, so long as any Default has occurred and is continuing, each Loan Party shall provide the Agent and each Lender with access to its suppliers.  Each Loan Party shall promptly make available to the Agent and its counsel originals or copies of all books and records that the Agent may reasonably request. The Loan Parties acknowledge that from time to time the Agent may prepare and may distribute to the Lenders certain audit reports pertaining to the Loan Parties’ assets for internal use by the Agent and the Lenders from information furnished to it by or on behalf of the Loan Parties, after the Agent has exercised its rights of inspection pursuant to this Agreement.

6.11.        Appraisals.  Whenever a Default or Unmatured Default exists and is continuing, and the Agent requests, at such other times as set forth herein, the Loan Parties shall, at their sole expense, provide the Agent with appraisals or updates thereof of their Compression Units from an Approved Appraiser, and prepared on a basis satisfactory to the Agent (which basis, in the absence of a Default or Unmatured Default that is continuing, shall for all purposes be the Net Orderly Liquidation Value thereof).

6.12.        Communications with Accountants.  Each Loan Party executing this Agreement authorizes (a) the Agent and (b) so long as a Default has occurred and is continuing, each Lender, to communicate directly with its independent certified public accountants and authorizes and shall instruct those accountants and advisors to communicate to the Agent and each Lender information relating to any Loan Party with respect to the business, results of operations and financial condition of any Loan Party.

6.13.        Collateral Access Agreements and Real Estate Purchases.  Each Loan Party shall use commercially reasonable efforts to obtain a Collateral Access Agreement, from the lessor of each leased property, mortgagee of owned property or bailee or consignee with respect to any warehouse, processor or converter facility or other location where Collateral is stored or located, which agreement or letter shall provide access rights, contain a waiver or subordination of all Liens or claims that the landlord, mortgagee, bailee or consignee may assert against the Collateral at that location, and shall otherwise be reasonably satisfactory in form and substance to the Agent. With respect to such locations or warehouse space leased or owned as of the Closing Date and thereafter, if the Agent has not received a Collateral Access Agreement as of the Effective Date (or, if later, as of the date such location is acquired or leased), Borrower’s Eligible Inventory at that location shall be subject to such Reserves as may be established by the Agent.  After the Closing Date, no real property or warehouse space shall be leased by any Loan Party and no Inventory shall be shipped to a processor or converter under arrangements established after the Closing Date,  unless and until a satisfactory Collateral Access Agreement shall first have been obtained with respect to such location and if it has not been obtained, Borrower’s Eligible Inventory at that location shall be subject to the establishment of Reserves acceptable to the Agent.  Each Loan Party shall timely and fully pay and perform its obligations under all leases and other agreements with respect to each leased location or third party warehouse where any Collateral is or may be located.  To the extent permitted hereunder, if any Loan Party

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proposes to acquire a fee ownership interest in real Property after the Closing Date, it shall first provide to the Agent a mortgage or deed of trust granting the Agent a first priority Lien on such real Property, together with environmental audits, mortgage title insurance commitment, real property survey, local counsel opinion(s), and, if required by the Agent, supplemental casualty insurance and flood insurance, and such other documents, instruments or agreements reasonably requested by the Agent, in each case, in form and substance reasonably satisfactory to the Agent.

6.14.        Deposit Account Control Agreements.  The Loan Parties shall provide, with respect to each deposit account, a Deposit Account Control Agreement duly executed on behalf of each financial institution holding a deposit account of a Loan Party as set forth in the Security Agreement.  Notwithstanding anything to the contrary in this Agreement, any control agreement entered into among USA Compression Partners, Agent and JPMorgan Chase Bank, N.A. (in such capacity, the “Depository Bank”) (the “Blocked Account Agreement”), or any other Loan Document, Agent, Depository Bank and Lenders each hereby consent, and Agent, Depository Bank, Lenders and the Borrower each hereby agree that so long as no Activation Event shall have occurred, Borrower shall give the Depository Bank instructions in accordance with the Blocked Account Agreement to disburse funds on deposit in the account referenced therein as the Borrower may direct and access such account or the funds therein until such time as an Activation Event shall have occurred.

6.15.        Additional Collateral; Further Assurances.

6.15.1.

(a)           Subject to applicable law, each Loan Party shall, unless the Required Lenders otherwise consent, (i) cause each of its domestic Subsidiaries to become or remain a Loan Party and either a Guarantor or a Borrower under the Credit Agreement, as required by Agent and (ii) cause, on the date of creation (or such later date as the Agent may agree), each of its domestic Subsidiaries formed or acquired after the Closing Date in accordance with the terms of this Agreement to (A) (1) become a party to this Agreement by executing a Joinder Agreement if such Subsidiary is to become a Guarantor, and (2) guarantee payment and performance of the Guaranteed Obligations pursuant to the Guaranty if such Subsidiary is to become a Guarantor, or (B) become a party to this Agreement by executing, among other things, an amendment and/or joinder agreement in form and substance satisfactory to Agent if such Subsidiary is to become a Borrower.

(b)           Upon the request of the Agent, each Loan Party shall and upon the date of creation of any new domestic Subsidiary (or such later date as the Agent may agree), such Subsidiary shall (i) grant Liens to the Agent, for the benefit of the Agent and the Lenders, pursuant to such documents as the Agent may reasonably deem necessary and deliver such property, documents, and instruments as the Agent may request to perfect the Liens of the Agent in any Property of such Loan Party which constitutes Collateral, including any parcel of real Property located in the U.S. owned by any Loan Party, and (ii) in connection with the foregoing requirements, or either of them, deliver to the Agent all items of the type required by Section 4.1 (as applicable and including lien searches and the filing of financing statements).  Upon execution and delivery of such Loan Documents and other instruments, certificates, and agreements, each such Person shall automatically become a Guarantor hereunder and thereupon shall have all of the rights, benefits, duties, and obligations in such capacity under the Loan Documents.

6.15.2.

Each Loan Party will cause (i) 100% of the issued and outstanding Capital Stock of each of its Domestic Subsidiaries and (ii) 65% (or such greater percentage that, due to a change in an applicable law

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after the date hereof, (1) could not reasonably be expected to cause the undistributed earnings of such Foreign Subsidiary as determined for U.S. federal income tax purposes to be treated as a deemed dividend to such Foreign Subsidiary’s U.S. parent and (2) could not reasonably be expected to cause any material adverse tax consequences) of the issued and outstanding Capital Stock entitled to vote (within the meaning of Treas. Reg. Section 1.956-2(c)(2)) and 100% of the issued and outstanding Capital Stock not entitled to vote (within the meaning of Treas. Reg. Section 1.956-2(c)(2) in each Foreign Subsidiary directly owned by the Borrower or any Domestic Subsidiary to be subject at all times to a first priority, perfected Lien in favor of the Agent pursuant to the terms and conditions of the Loan Documents or other security documents as the Agent shall reasonably request.  If at any time all or any part of a Loan Party’s Capital Stock has been pledged to the Agent, that Loan Party shall not issue additional Capital Stock without Agent’s prior written consent.  Agent and Lenders acknowledge that as of the Closing Date, Borrower has not pledged and has not been required to pledge any of its Capital Stock to Agent.

6.15.3.

Without limiting the foregoing, each Loan Party shall, and shall cause each of the Borrower’s Subsidiaries which is required to become a Loan Party pursuant to the terms of this Agreement to, execute and deliver, or cause to be executed and delivered, to the Agent such documents and agreements, and shall take or cause to be taken such actions as the Agent may, from time to time, reasonably request to carry out the terms and conditions of this Agreement and the other Loan Documents.

6.16.        Dividends.

(a)           No Loan Party will declare or pay any dividends or make any distributions on its Capital Stock (other than dividends or distributions payable in its own common stock or membership units), pay any management fee to any Affiliate or redeem, repurchase or otherwise acquire or retire any of its Capital Stock at any time outstanding (collectively, “Restricted Payments”), except that any Subsidiary may declare and pay Restricted Payments to the Borrower or to a Wholly-Owned Subsidiary of the Borrower, provided, that (i) Holdings and the Borrower may make Tax Distributions, (ii) Holdings may declare and pay Restricted Payments (excluding Tax Distributions) so long as (A) no Default or Unmatured Default has occurred and is continuing, (B) immediately prior to and after giving effect to such Restricted Payment, the Fixed Charge Coverage Ratio is at least 1.25 to 1.0, (C) immediately prior to and after giving effect to such Restricted Payment, Borrower shall have excess Availability of at least $20,000,000, and (D) Borrower shall have delivered a certificate to Agent evidencing its compliance with subsection (A), (B) and (C) above in form and substance reasonably satisfactory to Agent, (iii) Holdings may repurchase any Capital Stock from officers, directors, current and former employees, or other consultants of Borrower and its Affiliates, so long as the consideration for such purchase is funded solely with the proceeds of recovery on key man insurance policies, (iv) Borrower may declare and pay Restricted Payments to Holdings at the same time, in the same amount, to the same extent and on the same terms and conditions that Holdings may declare and pay Restricted Payments under clauses (i), (ii) and (iii) immediately above, (v) subject to Section 4.1(s) and Section 6.2 hereof, Holdings may declare and pay Restricted Payments solely to the extent necessary to pay a portion of the closing date purchase price payable pursuant to the Riverstone Acquisition Agreement to the extent and on the same terms and conditions provided in the Riverstone Acquisition Agreement, (vi) subject to the terms and conditions set forth in the Management Fee Subordination Agreement and pursuant to the Management Agreement, Borrower may pay Riverstone an annual management fee in an amount not to exceed $1,000,000 during any Fiscal Year (the “Annual Management Fee”) and two percent (2%) of the amount of any cash equity contributed to Borrower by Riverstone in accordance with the terms of this Agreement (the “Management Equity Proceeds”) in any Fiscal Year (the “Transaction Fee”), in each case so long as no Default or Event of Default exists at the

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time such payment is made or would be caused by the making of such payment and the Borrower would be in pro forma compliance with the financial covenants at the time of such payment and after giving effect to such payment and (vii) Restricted Payments made with the Designated Contribution Amount so long as (A) such amounts have not already been spent or used as a Specified Equity Contribution, (B) no Default or Unmatured Default has occurred and is continuing, (C) immediately prior to and after giving effect to any repurchase, Borrower shall have excess Availability of at least $20,000,000, (D) such amounts were not contributed to Borrower greater than eighteen (18) months from the actual date of withdrawal and (E) Borrower shall have delivered a certificate to Agent evidencing its compliance with subsection (A), (B), (C) and (D) above in form and substance reasonably satisfactory to Agent.

(b)           No Loan Party shall directly or indirectly enter into or become bound by any agreement, instrument, indenture or other obligation (other than this Agreement and the Loan Documents) that could directly or indirectly restrict, prohibit or require the consent of any Person with respect to the payment of dividends or distributions or the making or repayment of intercompany loans by a Subsidiary of the Borrower to the Borrower.

6.17.        Indebtedness.  (i) Neither Holdings, except with respect to subsections (a) and (e) below, (ii) nor Borrower, nor any of Borrower’s Subsidiaries, will create, incur or suffer to exist any Indebtedness, except:

(a)           the Obligations;

(b)           Indebtedness existing on the date hereof and described in Schedule 5.22;

(c)           subject to subsection (k) of this Section 6.17, purchase money Indebtedness incurred in connection with the purchase of any Equipment (other than Compression Units or Inventory); provided that, the amount of such purchase money Indebtedness shall be limited to an amount not in excess of the purchase price of such Equipment;

(d)           Indebtedness which represents an extension, refinancing, or renewal of any of the Indebtedness described in clauses (b) and (c) hereof; provided that, (i) the principal amount or interest rate of such Indebtedness is not increased, (ii) any Liens securing such Indebtedness are not extended to any additional Property of any Loan Party, (iii) no Loan Party that is not originally obligated with respect to repayment of such Indebtedness is required to become obligated with respect thereto, (iv) such extension, refinancing or renewal does not result in a shortening of the average weighted maturity of the Indebtedness so extended, refinanced or renewed, (v) the terms of any such extension, refinancing, or renewal are not less favorable to the obligor thereunder than the original terms of such Indebtedness and (iv) if the Indebtedness that is refinanced, renewed, or extended was subordinated in right of payment to the Obligations, then the terms and conditions of the refinancing, renewal, or extension Indebtedness must include subordination terms and conditions that are at least as favorable to the Agent and the Lenders as those that were applicable to the refinanced, renewed, or extended Indebtedness;

(e)           Indebtedness owing by any Loan Party to any other Loan Party with respect to intercompany loans, provided further, that:

(i)            the applicable Loan Parties shall have executed on the Effective Date, a demand note (collectively, the “Intercompany Notes”) to evidence any such intercompany Indebtedness owing at any time by any Loan Party to another Loan Party, which Intercompany Notes shall be in form and substance reasonably

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satisfactory to the Agent and shall be pledged and delivered to the Agent pursuant to the Security Agreement as additional collateral security for the Secured Obligations;

(ii)           the Borrower shall record all intercompany transactions on its books and records in a manner reasonably satisfactory to the Agent;

(iii)          the obligations of the Borrower under any such Intercompany Notes shall be subordinated to the Obligations of the Borrower hereunder in a manner reasonably satisfactory to the Agent;

(iv)          at the time any such intercompany loan or advance is made by the Borrower and after giving effect thereto, the Borrower shall be Solvent; and

(v)           no Default or Unmatured Default would occur and be continuing after giving effect to any such proposed intercompany loan.

(f)            Contingent Obligations (i) by endorsement of instruments for deposit or collection in the ordinary course of business, (ii) consisting of the Reimbursements Obligations and (iii) consisting of the Guaranty and guarantees of Indebtedness incurred for the benefit of any other Loan Party if the primary obligation is expressly permitted elsewhere in this Section 6.17;

(g)           Subject to subsection (k) of this Section 6.17, Capitalized Lease Obligations;

(h)           [Reserved];

(i)            Indebtedness arising under Rate Management Transactions having an aggregate notional amount not exceeding fifty percent (50%) of the Aggregate Commitment, provided that such Rate Management Transaction is not with an Affiliate of Borrower and is made on an arm’s-length basis;

(j)            Subject to subsection (k) of this Section 6.17, other unsecured Indebtedness; and

(k)           Notwithstanding anything to the contrary in subsections (c), (g) and (j) of this Section 6.17, the aggregate outstanding debt with respect to purchase money Indebtedness, as provided in subsection (c) of this Section 6.17, Capitalized Lease Obligations Indebtedness, as provided for pursuant to subsection (g) of this Section 6.17 and miscellaneous unsecured Indebtedness, as provided for pursuant to subsection (j) of this Section 6.17 shall not in the aggregate exceed $7,500,000 outstanding at any one time.

6.18.        Line of Business.  No Loan Party shall engage in any business other than the businesses currently engaged in by it.

6.19.        Merger.  No Loan Party will merge or consolidate with or into any other Person, except that (a) any Subsidiary of the Borrower may merge into the Borrower or a Wholly-Owned Subsidiary of the Borrower and (b) any Loan Party (other than the Borrower) may merge with any other Loan Party; provided, however, in no event may Holdings merge with another Loan Party unless Holdings is the survivor of such merger.

6.20.        Sale of Assets.  No Loan Party will lease, sell or otherwise dispose of its Property (including any Capital Stock owned by it) to any other Person, except:

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(a)           sales of Inventory (excluding Compression Units) in the ordinary course of business and leases or rentals of Inventory (including Compression Units) in the ordinary course of business;

(b)           sales of Compression Units which comply with the terms and conditions in subparagraph (i) and (ii) and either subparagraph (iii) or subparagraph (iv) hereinbelow:

(i)            for any sale of one or more Compression Units pursuant to a single transaction which results in a gross sales price in excess of $2,500,000, or for any sale of one or more Compression Units, individually or in the aggregate for any Fiscal Year, which results in an aggregate gross sales price in such Fiscal Year in excess of $5,000,000, the Net Cash Proceeds must be remitted by or on behalf of the applicable purchaser directly to the Agent for application to the Obligations as set forth herein;

(ii)           in respect of any proposed sale of Compression Units, the Borrower shall have delivered to Agent a certificate of the president and either the chief financial officer or the controller of the Borrower certifying that (i) the aggregate gross sales price for the Compression Units in any individual transaction, shall not be less than seventy-five percent (75%) of the Net Orderly Liquidation Value for such Compression Units as established by the Current Valuation Report, or such lesser amount as determined by Agent in its Permitted Discretion and (ii) such sale shall be made to a bona fide third party purchaser on an arm’s-length basis;

(iii)          in respect of any proposed sale of Compression Units, no consent shall be required if Borrower shall have delivered to Agent a certificate of the president and either the chief financial officer or the controller of the Borrower certifying that the gross sales price for the proposed sale of Compression Units, together with the gross sales price of all prior sales of Compression Units since the Closing Date (less the aggregate amount paid by Borrower during such period in respect of replacement Compression Units) shall not exceed in the aggregate twenty-five percent (25%) of the total Net Orderly Liquidation Value established in the Current Valuation Report; and

(iv)          in respect of any proposed sale of Compression Units, the Borrower shall obtain the consent of the Agent, which may be given or withheld in its Permitted Discretion, if the gross sale price for the proposed sale of Compression Units, together with the gross sale price of all prior sales of Compression Units since the Closing Date (less the aggregate amount paid by Borrower during such period in respect of replacement Compression Units), exceeds in the aggregate twenty-five percent (25%) of the total Net Orderly Liquidation Value established in the Current Valuation Report.

(c)           the sale or other disposition of Property that is obsolete or no longer useful in such Loan Party’s business;

(d)           other sales or dispositions of assets having a book value not exceeding $1,000,000 in the aggregate in any Fiscal Year;

(e)           subject to Section 6.24, leases, sales, or other dispositions of Property between or among Loan Parties; and

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(f)            sales of Capital Stock from the holders of the Capital Stock of Holdings (prior to giving effect to the Riverstone Acquisition Agreement) to Holdings (as in effect after giving effect to the Riverstone Acquisition Agreement) pursuant to the terms of the Riverstone Acquisition Agreement.

Any sale of assets permitted by this Section 6.20 other than sales pursuant to subsection (e) shall be free and clear of the Lenders’ liens and security interests in such assets, and, upon Borrower’s certification to Agent that a sale is permitted by the terms of this Section 6.20, the Agent, on behalf of itself and the other Lenders, shall deliver partial releases of the Agent’s liens and security interests in such assets to the Borrower concurrently with or promptly following, the consummation of such sale in compliance with the terms and conditions of this Section 6.20.  The Net Cash Proceeds of any sale or disposition permitted pursuant to this Section (other than pursuant to Section 6.20(a), (b)(i), or (e)) shall be delivered to the Agent as required by Section 2.15 and applied to the Obligations as set forth therein all without a permanent reduction in the Aggregate Commitment and without prejudice to the Borrower’s rights under Section 2.1.1(a)(i), subject to the terms of this Agreement, to borrow, repay and reborrow Revolving Loans at any time prior to the Facility Termination Date.

6.21.        Investments and Acquisitions.  No Loan Party will (a) make or suffer to exist any Investments (including without limitation, loans and advances to, and other Investments in, Subsidiaries), or commitments therefor, (b) create any foreign Subsidiary or (c) become or remain a partner in any partnership or joint venture, or (d) make any Acquisition, except:

(a)           Cash Equivalent Investments, subject to control agreements in favor of the Agent for the benefit of the Lenders or otherwise subject to a perfected security interest in favor of the Agent for the benefit of the Lenders;

(b)           (i) Investments by USA Compression Partners in USAC Leasing, (ii) Investments by Holdings in USA Compression Partners, and (iii) Investments by Holdings or any of its Subsidiaries in any other Subsidiary of Holdings;

(c)           other Investments in existence on the Closing Date and described in Schedule 6.21;

(d)           Investments by Borrower or any of its Subsidiaries consisting of routine employee advances in the ordinary course of business, but not to exceed an outstanding amount, at any time, of $250,000;

(e)           subject to Sections 4.2(a) and 4.4 of the Security Agreement, Investments comprised of notes payable, or stock or other securities issued by Account Debtors to such Loan Party pursuant to negotiated agreements with respect to settlement of such Account Debtor’s Accounts in the ordinary course of business, consistent with past practices; and

(f)            Investments made with the Designated Contribution Amount not otherwise permitted under this Agreement, including the making of Capital Expenditures.

6.22.        Liens.

(a)           No Loan Party will create, incur, or suffer to exist any Lien in, of, or on the Property of such Loan Party, except the following (collectively, “Permitted Liens”):

(i)            Liens for taxes, fees, assessments, or other governmental charges or levies on the Property of such Loan Party if such Liens (1) shall not at the time be delinquent or (2) subject to the provisions of Section 6.6, do not secure obligations in excess of $1,000,000, are being contested in good faith and by appropriate

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proceedings diligently pursued, adequate reserves in accordance with GAAP have been set aside on the books of such Loan Party, and a stay of enforcement of such Lien is in effect;

(ii)           Liens imposed by law, such as carrier’s, warehousemen’s, and mechanic’s Liens and other similar Liens arising in the ordinary course of business which secure payment of obligations not more than ten days past due;

(iii)          statutory Liens in favor of landlords of real Property leased by such Loan Party; provided that, such Loan Party is current with respect to payment of all rent and other amounts due to such landlord under any lease of such real Property;

(iv)          Liens arising out of pledges or deposits under worker’s compensation laws, unemployment insurance, old age pensions, or other social security or retirement benefits, or similar legislation or to secure the performance of bids, tenders, or contracts (other than for the repayment of Indebtedness) or to secure indemnity, performance, or other similar bonds for the performance of bids, tenders, or contracts (other than for the repayment of Indebtedness) or to secure statutory obligations (other than liens arising under ERISA or Environmental Laws) or surety or appeal bonds, or to secure indemnity, performance, or other similar bonds, in each case, in the ordinary course of business;

(v)           utility easements, building restrictions, and such other encumbrances or charges against real Property as are of a nature generally existing with respect to properties of a similar character and which do not in any material way affect the marketability of such real Property or interfere with the use thereof in the business of such Loan Party;

(vi)          Liens existing on the Closing Date and described in Schedule 6.22;

(vii)         Liens resulting from any extension, refinancing, or renewal of the related Indebtedness as permitted pursuant to Section 6.17(d); provided that, the Liens evidenced thereby are not increased to cover any additional Property not originally covered thereby;

(viii)        Liens securing purchase money Indebtedness of such Loan Party incurred in connection with the purchase of any Equipment other than Compression Units or Inventory and permitted pursuant to Section 6.17(c); provided that, such Liens attach only to the Property which was purchased with the proceeds of such purchase money Indebtedness; and

(ix)           Liens in favor of the Agent granted pursuant to any Loan Document.

(b)           Notwithstanding the foregoing, none of the Liens permitted pursuant to this Section 6.22, other than (1) clauses (i) and (x) above, may at any time attach to any Accounts of any Loan Party and (2) clauses (i) through (iii) and (x) above, may at any time attach to any Inventory of any Loan Party.

(c)           Other than as provided in the Loan Documents, no Loan Party will enter into or become subject to any negative pledge or other restriction on the right of such Loan Party to grant Liens to the Agent and the Lenders on any of its Property; provided that, any such negative pledge or other restriction entered into in connection with the creation of

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Indebtedness under Section 6.17(c) shall be limited to the Property securing such purchase money Indebtedness.

6.23.        Change of Name or Location; Change of Fiscal Year.  No Loan Party shall (a) change its name as it appears in official filings in the state of its incorporation or organization, (b) change its chief executive office, principal place of business, mailing address, corporate offices or warehouses or locations at which Collateral is held or stored, or the location of its records concerning the Collateral as set forth in the Security Agreement, (c) change the type of entity that it is, (d) change its organization identification number, if any, issued by its state of incorporation or other organization, or (e) change its state of incorporation or organization, in each case, unless the Agent shall have received at least thirty days prior written notice of such change and the Agent shall have acknowledged in writing that either (1) such change will not adversely affect the validity, perfection or priority of the Agent’s security interest in the Collateral, or (2) any reasonable action requested by the Agent in connection therewith has been completed or taken (including any action to continue the perfection of any Liens in favor of the Agent, on behalf of Lenders, in any Collateral), provided that, any new location shall be in the continental U.S.  No Loan Party shall change its Fiscal Year.

6.24.        Affiliate Transactions.  Except as provided in Schedule 6.24, no Loan Party will enter into any transaction (including, without limitation, the purchase or sale of any Property or service) with, or make any payment or transfer (including, without limitation, any payment or transfer with respect to any fees or expenses for management services) to, any Affiliate except in the ordinary course of business and pursuant to the reasonable requirements of such Loan Party’s business and upon fair and reasonable terms no less favorable to such Loan Party than such Loan Party would obtain in a comparable arm’s-length transaction; provided, however, that any such transactions with Affiliates or among Loan Parties having a value in excess of $1,500,000 in the aggregate during a Fiscal Year shall require the prior written approval of the Agent, but the foregoing restrictions shall not apply to transactions between or among Loan Parties and/or among Loan Parties and Affiliates, in each case, to the extent otherwise permitted hereunder.

6.25.        Amendments to Agreements.  (i) (a) Holdings will not, and will not allow its partners to terminate or amend the Opco LLC Agreement or the Partnership Agreement, (b) USA Compression Partners will not, and will not allow its managers or members to terminate or amend the Opco LLC Agreement or the Limited Liability Company Agreement of USAC Leasing, (c) USAC Leasing will not, and will not allow its members or managers to terminate or amend the Limited Liability Company Agreement of USAC Leasing, respectively, without the prior written consent of the Required Lenders unless such amendment is not material or adverse to the Agent or the Lenders and Borrower has obtained Agent’s consent to such amendment (which consent shall not be unreasonably withheld), (ii) Borrower shall cause the Managing General Partner not to terminate or amend the Managing General Partner Limited Liability Company Agreement without the prior written consent of the Required Lenders unless such amendment to the Managing General Partner Limited Liability Company is not material or adverse to the Agent or the Lenders and Borrower has obtained Agent’s consent to such amendment (which consent shall not be unreasonably withheld), (iii) no Loan Party will (and shall cause the Managing General Partner not to) terminate or materially amend its articles of incorporation, charter or certificate of formation, unless Borrower has obtained the consent of the Required Lenders, (iv) no Loan Party will amend the Master Lease Agreement or allow the Master Lease Agreement to be amended without the prior written consent of Agent, and (v) no Loan Party will or permit any of its Subsidiaries to materially amend or materially waive compliance with the terms of any Riverstone Acquisition Agreement or the Escrow Agreement, in each case, in a manner that would be materially adverse to the Lenders without the prior written consent of Agent.

6.26.        Prepayment of Indebtedness; Subordinated Indebtedness.

(a)           No Loan Party shall, directly or indirectly, voluntarily purchase, redeem, defease or prepay any principal of, premium, if any, interest or other amount payable in respect of any Indebtedness prior to its scheduled maturity, other than (i) the Obligations; (ii) Indebtedness secured by a Permitted Lien if the asset securing such Indebtedness has

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been sold or otherwise disposed of in accordance with Section 6.20; (iii) Indebtedness permitted by Section 6.17(d) upon any refinancing thereof in accordance therewith; and (iv) Indebtedness permitted by Section 6.17(e).

(b)           No Loan Party shall make any amendment or modification to the indenture, note or other agreement evidencing or governing any Subordinated Indebtedness, or directly or indirectly voluntarily prepay, defease or in substance defease, purchase, redeem, retire or otherwise acquire, any Subordinated Indebtedness.

6.27.        Financial Contracts.  No Loan Party shall enter into or remain liable upon any Financial Contract, except for Rate Management Transactions permitted by Section 6.17.

6.28.        Purchase of Compressors.  No Loan Party shall purchase Compression Units or Heavy Component Inventory (other than to replace damaged, destroyed or inoperable Heavy Component Inventory), whether new or used, if Availability would be less than 5% of the Aggregate Credit Exposure, in each case, after giving effect to such purchase.

6.29.        Financial Covenants.

6.29.1.     Fixed Charge Coverage Ratio.  Holdings and its Subsidiaries will not permit the Fixed Charge Coverage Ratio on a consolidated basis determined as of the last day of each Fiscal Quarter for the twelve month period then ending to be less than 1.0 to 1.0.

6.29.2.     Minimum Utilization.  Holdings and its Subsidiaries shall not permit its Average Utilization on a consolidated basis, determined as of the last day of each Fiscal Quarter for the single period comprised of the then most-recently ended two Fiscal Quarters, to be less than eighty percent (80%).

6.29.3.     Equity Cure.  Notwithstanding anything to the contrary contained in this Agreement, for purposes of determining compliance with the Fixed Charge Coverage Ratio set forth in this Section 6.29 and not for any other purpose, cash equity contributions (which equity shall be common equity or otherwise in a form reasonably acceptable to the Agent) made by Riverstone Holdings to the Borrower after the beginning of the relevant Fiscal Quarter on or prior to the day that is 10 Business Days after the day on which financial statements are required to be delivered for such Fiscal Quarter pursuant to Section 6.1 will, at the request of the Borrower, be included in the calculation of EBITDA solely for the purposes of determining compliance with the Fixed Charge Coverage Ratio at the end of such quarter and applicable subsequent periods which include such Fiscal Quarter (any such equity contribution so included in the calculation of EBITDA, a “Specified Equity Contribution”); provided that (a) in each four consecutive Fiscal Quarter periods, there shall be at least two Fiscal Quarters in respect of which no Specified Equity Contribution is made, (b) there shall be no more than four Specified Equity Contributions prior to the Facility Termination Date and (c) the amount of any Specified Equity Contribution shall be no greater than the amount required to cause the Borrower to be in pro forma compliance with the Fixed Charge Coverage Ratio; provided that, notwithstanding the foregoing, until the cash from such Specified Equity Contribution is received by the Borrower, there shall be no additional Advances made and no additional Letters of Credit shall be issued under this Agreement.

6.30.        Depository Banks.  Each Loan Party shall maintain the Agent as such Loan Party’s principal depository bank, including for the maintenance of operating, administrative, cash management, collection activity, and other deposit accounts for the conduct of its business.

6.31.        Real Property Purchases.  Without the prior written consent of Agent, no Loan Party shall purchase a fee simple ownership interest in real Property.

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6.32.        Sale of Accounts.  No Loan Party will, nor will any Loan Party permit its Subsidiary to, sell or otherwise dispose of any notes receivable or accounts receivable, with or without recourse; provided, however that a Loan Party and its Subsidiary may assign delinquent notes and accounts receivable for collection purposes on customary terms.

6.33.        Master Service Agreement and Related Contracts.  Borrower shall not enter into any contract in the ordinary course of its business for the provision of compression services by Borrower to a customer in which a Compression Unit is utilized except in form and substance substantially similar to the Gas Compression Master Service Agreement and the Compression Service Proposal and Agreement related thereto attached hereto as Schedule 6.33.

6.34.        Delivery of Service Agreements and Related Contracts to Agent.  Borrower shall hold in trust for the Agent upon receipt and within five (5) Business Days after the execution thereof, or such later time as is acceptable to the Agent, deliver to the Agent all original contracts for the provision of compression services by Borrower to its customers in which Compression Units are utilized by Borrower.

6.35.        Certain Public Offerings of Equity Securities.  No Loan Party will, nor will any Loan Party permit any Subsidiary to, make a public offering of its equity securities in which material proceeds of such offering are distributed to or for the direct benefit of the equity owners of the Borrower, provided, however that, notwithstanding any other provision hereof: (x) a Loan Party and/or its Subsidiary may engage in a public offering of equity securities in which no material proceeds of such offering are distributed to or for the direct benefit of the equity owners of the Borrower, and (y) a Loan Party and/or its Subsidiary may engage in a public offering of equity securities and cause material proceeds of such offering to be distributed to or for the direct benefit of equity owners of the Borrower only to the extent that immediately following the closing thereof (and after giving effect to any application of proceeds thereof to the Obligations) the ratio of (a) Aggregate Credit Exposure as of such date to (b) EBITDA of Borrower for the twelve calendar months most recently ended does not exceed 4.50 to 1.00.  Any proceeds of such an offering not expressly permitted by this Section 6.35 to be distributed to or for the direct benefit of equity owners of the Borrower shall be subject to Section 2.15(c) of this Agreement.

6.36.        Post-Closing Obligations.

(a)           On or before December 30, 2010, or such later date as agreed in writing by Agent in its sole discretion, the Loan Parties shall have entered into a blocked account control agreement among USA Compression Partners, Agent and JPMorgan Chase Bank, N.A. as the depository bank, in form and substance acceptable to Agent in its reasonable discretion.

(b)           On or before January 5, 2010, or such later date as agreed in writing by Agent in its sole discretion, the Loan Parties shall have delivered to Agent insurance endorsements as required under Section 6.7(a) naming the Agent (for the benefit of the Agent and the Lenders) as an additional insured or as loss payee, as applicable, in form and substance satisfactory to the Agent.

(c)           On or before December 30, 2010, or such later date as agreed in writing by Agent in its sole discretion, the Loan Parties shall have delivered to Agent a legal opinion regarding no conflicts with respect to material contracts of the Loan Parties in form and substance reasonably satisfactory to Agent.

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ARTICLE VII

DEFAULTS

The occurrence of any one or more of the following events shall constitute a “Default” hereunder:

(a)           any representation or warranty made or deemed made by or on behalf of any Loan Party to any Lender or the Agent under or in connection with this Agreement, any other Loan Document, any Credit Extension, or any certificate or information delivered in connection with any of the foregoing shall be materially false on the date as of which made;

(b)           nonpayment, (i) when due (whether upon demand or otherwise), of any principal, or Reimbursement Obligation owing under any of the Loan Document, or (ii) within 3 Business Days of when due (whether upon demand or otherwise), of any interest, fee or other obligation (except those set forth in clause (i) above owing under any of the Loan Documents;

(c)           the breach by any Loan Party of any of the terms or provisions of Section 6.2, 6.3(a), 6.4(b), 6.7, 6.16 through 6.23 or 6.25 through 6.32 (in the case of Sections 6.29.1 and 6.29.2, subject to Section 6.29.3);

(d)           the breach by any Loan Party (other than a breach which constitutes a Default under another Section of this Article VII) of any of the terms or provisions of (i) Section 6.1, 6.3 (other than Section 6.3(a)), 6.4 through 6.15 or 6.24 of this Agreement which is not remedied within fifteen days after the earlier of such breach or written notice from the Agent or any Lender or (ii) any other Section of this Agreement which is not remedied within thirty days after the earlier of such breach or written notice from the Agent or any Lender;

(e)           failure of any Loan Party to pay when due any Material Indebtedness or a default, breach or other event occurs under any term, provision or condition contained in any Material Indebtedness Agreement of any Loan Party, the effect of which default, event or condition is to cause, or to permit the holder(s) of such Material Indebtedness or the lender(s) under any Material Indebtedness Agreement to cause, such Material Indebtedness to become due prior to its stated maturity or any commitment to lend under any Material Indebtedness Agreement to be terminated prior to its stated expiration date; any Material Indebtedness of any Loan Party shall be declared to be due and payable or required to be prepaid or repurchased (other than by a regularly scheduled payment) prior to the stated maturity thereof; or any Loan Party shall not pay, or admit in writing its inability to pay, its debts generally as they become due;

(f)            any Loan Party shall (i) have an order for relief entered with respect to it under the Bankruptcy Code as now or hereafter in effect, (ii) make an assignment for the benefit of creditors, (iii) apply for, seek, consent to, or acquiesce in, the appointment of a receiver, custodian, trustee, examiner, liquidator or similar official for it or any portion of its Property that constitutes a Substantial Portion, (iv) institute any proceeding seeking an order for relief under the Bankruptcy Code as now or hereafter in effect or seeking to adjudicate it a bankrupt or insolvent, or seeking dissolution, winding up, liquidation, reorganization, arrangement, adjustment or composition of it or its debts under any law relating to bankruptcy, insolvency or reorganization or relief of debtors or fail to file an answer or other pleading denying the material allegations of any such proceeding filed against it, (v) take any corporate, partnership or limited liability company action to authorize or effect any of the

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foregoing actions set forth in this subsection (f) or (vi) fail to contest in good faith any appointment or proceeding described in subsection (g) below;

(g)           a receiver, trustee, examiner, liquidator or similar official shall be appointed for any Loan Party or any portion of its Property that constitutes a Substantial Portion, or a proceeding described in subsection (f)(iv) of Article VII shall be instituted against any Loan Party and such appointment continues undischarged or such proceeding continues undismissed or unstayed for a period of sixty consecutive days;

(h)           any court, government or governmental agency shall condemn, seize or otherwise appropriate, or take custody or control of, all or any portion of the Property of any Loan Party which, when taken together with all other Property of any Loan Party so condemned, seized, appropriated, or taken custody or control of, during the twelve-month period ending with the month in which any such action occurs, constitutes a Substantial Portion;

(i)            any loss, theft, damage or destruction of any item or items of Collateral or other property of any Loan Party occurs which could reasonably be expected to cause a Material Adverse Effect and is not adequately covered by insurance;

(j)            any Loan Party shall fail within thirty days to pay, bond or otherwise discharge one or more (i) judgments or orders for the payment of money in excess of $500,000 (or the equivalent thereof in currencies other than U.S. Dollars) in the aggregate, or (ii) nonmonetary judgments or orders which, individually or in the aggregate, could reasonably be expected to have a Material Adverse Effect, which judgments or orders, in any such case, are not stayed on appeal or otherwise being appropriately contested in good faith by proper proceedings diligently pursued;

(k)           any Change in Control shall occur;

(l)            an ERISA Event shall have occurred that, in the opinion of the Required Lenders, when taken together with all other ERISA Events that have occurred, would reasonably be expected to result in liability of the Borrowers and their Subsidiaries in an aggregate amount exceeding $1,000,000 in any year or for all periods;

(m)          [Reserved];

(n)           [Reserved];

(o)           any Loan Party shall (i) be the subject of any proceeding or investigation for a claim of $500,000 or more pertaining to the release by the any Loan Party or any other Person of any toxic or hazardous waste or substance into the environment, or (ii) violate any Environmental Law, which, in the case of an event described in clause (i) or clause (ii), could reasonably be expected to have a Material Adverse Effect;

(p)           the occurrence of any “default”, as defined in any Loan Document (other than this Agreement) or the breach of any of the terms or provisions of any Loan Document (other than this Agreement), which default or breach continues beyond any period of grace therein provided;

(q)           the Guaranty shall fail to remain in full force or effect or any action shall be taken to discontinue or to assert the invalidity or unenforceability of the Guaranty, or any Guarantor shall fail to comply with any of the terms or provisions of the Guaranty to which

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it is a party, or any Guarantor shall deny that it has any further liability under the Guaranty to which it is a party, or shall give notice to such effect;

(r)            any Collateral Document shall for any reason fail to create a valid and perfected first priority security interest in any Collateral purported to be covered thereby, except as permitted by the terms of any Collateral Document, or any Collateral Document shall fail to remain in full force or effect or any action shall be taken to discontinue or to assert the invalidity or unenforceability of any Collateral Document, or any Loan Party shall fail to comply with any of the terms or provisions of any Collateral Document;

(s)           any material provision of any Loan Document for any reason ceases to be valid, binding and enforceable in accordance with its terms (or any Loan Party shall challenge the enforceability of any Loan Document or shall assert in writing, or engage in any action or inaction based on any such assertion, that any provision of any of the Loan Documents has ceased to be or otherwise is not valid, binding and enforceable in accordance with its terms);

(t)            [Reserved];

(u)           the Borrower or any Subsidiary shall fail to pay when due any Operating Lease Obligation in excess of $500,000;

(v)           nonpayment by the Borrower or any Subsidiary of any Rate Management Obligation when due or the breach by the Borrower or any Subsidiary of any term, provision or condition contained in any Rate Management Transaction or any transaction of the type described in the definition of “Rate Management Transactions,” whether or not any Lender or Affiliate of a Lender is a party thereto;

(w)          any Loan Party is criminally indicted or convicted under any law that may reasonably be expected to lead to a forfeiture of any Property of such Loan Party having a fair market value in excess of $500,000; or

(x)            Holdings shall engage in any business activity; provided that business activity shall not include (i) the direct or indirect ownership of Capital Stock of any Loan Party, the issuance of shares of capital stock or other equity securities or any other activity consistent with Holdings being a holding company, or (ii) the performance of its obligations under the Loan Documents to which it is a party.

ARTICLE VIII

REMEDIES; WAIVERS AND AMENDMENTS

8.1.          Remedies.

(a)           If any Default occurs, the Agent may in its discretion (and at the written request of the Required Lenders, shall) (i) reduce the Aggregate Commitment or the Commitment, (ii) terminate or suspend the obligations of the Lenders to make Loans hereunder and the obligation and power of the LC Issuer to issue Facility LCs, (iii) declare all or any portion of the Obligations to be due and payable, whereupon such Obligations shall become immediately due and payable, without presentment, demand, protest or notice of any kind, all of which the Borrower hereby expressly waives, (iv) upon notice to the Borrower and in addition to the continuing right to demand payment of all amounts payable under this Agreement, the Agent may either (1) make demand on the Borrower to pay, and the Borrower will, forthwith upon such demand and without any further notice or act, pay to

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the Agent an amount, in immediately available funds (which funds shall be held in the Facility LC Collateral Account), equal to 105% of the Collateral Shortfall Amount or (2) deliver a Supporting Letter of Credit as required by Section 2.1.2(l), whichever the Agent may specify in its sole discretion, (v) increase the rate of interest applicable to the Loans and the LC Fees as set forth in this Agreement and (vi) exercise any rights and remedies provided to the Agent or any Lender under the Loan Documents or at law or equity, including all remedies provided under the UCC.

(b)           If any Default described in subsections (f) or (g) of Article VII occurs with respect to any Loan Party, the obligations of the Lenders to make Loans hereunder and the obligation and power of the LC Issuer to issue Facility LCs shall automatically terminate and all Obligations shall immediately become due and payable without any election or action on the part of the Agent, the LC Issuer or any Lender and the Loan Parties will be and become thereby unconditionally obligated, without any further notice, act or demand, to pay to the Agent an amount equal to 105% of the Collateral Shortfall Amount, which funds shall be deposited in the Facility LC Collateral Account.

(c)           If, within thirty days after acceleration of the maturity of the Obligations or termination of the obligations of the Lenders to make Loans and the obligation and power of the LC Issuer to issue Facility LCs hereunder as a result of any Default (other than any Default as described in subsections (f) or (g) of Article VII with respect to the Borrower) and before any judgment or decree for the payment of the Obligations due shall have been obtained or entered, the Required Lenders (in their sole discretion) shall so direct, the Agent shall, by notice to the Borrower, rescind and annul such acceleration and/or termination.

(d)           If at any time while any Default is continuing, the Agent determines that the Collateral Shortfall Amount at such time is greater than zero, the Agent may make demand on the Borrower to pay, and the Borrower will, forthwith upon such demand and without any further notice or act, pay to the Agent an amount equal to 105% of the Collateral Shortfall Amount, which funds shall be deposited in the Facility LC Collateral Account. The Borrower hereby pledges, assigns, and grants to the Agent, on behalf of and for the benefit of the Agent, the Lenders, and the LC Issuer, a security interest in all of the Borrower’ right, title, and interest in and to all funds which may from time to time be on deposit in the Facility LC Collateral Account to secure the prompt and complete payment and performance of the Obligations.

(e)           At any time while any Default is continuing, the Agent may at any time or from time to time after funds are deposited in the Facility LC Collateral Account, apply such funds to the payment of the Obligations and any other amounts as shall from time to time have become due and payable by the Borrower to the Lenders or the LC Issuer under the Loan Documents.

(f)            At any time while any Default is continuing, neither the Borrower nor any Person claiming on behalf of or through the Borrower shall have any right to withdraw any of the funds held in the Facility LC Collateral Account.  After all of the Secured Obligations have been indefeasibly paid in full in cash and the Aggregate Commitment has been irrevocably terminated, any funds remaining in the Facility LC Collateral Account shall be returned by the Agent to the Borrower or paid to whomever may be legally entitled thereto at such time.

8.2.          Waivers by Loan Parties.  Except as otherwise provided for in this Agreement or by applicable law, each Loan Party waives: (a) presentment, demand and protest and notice of presentment, dishonor, notice of intent to accelerate, notice of acceleration, protest, default, nonpayment, maturity, release,

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compromise, settlement, extension or renewal of any or all commercial paper, accounts, contract rights, documents, instruments, chattel paper and guaranties at any time held by the Agent on which any Loan Party may in any way be liable, and hereby ratifies and confirms whatever the Agent may do in this regard, (b) all rights to notice and a hearing prior to the Agent’s taking possession or control of, or to the Agent’s replevy, attachment or levy upon, the Collateral or any bond or security that might be required by any court prior to allowing the Agent to exercise any of its remedies, and (c) the benefit of all valuation, appraisal, marshaling and exemption laws.

8.3.          Amendments.

(a)           Subject to the provisions of this Section 8.3, (i) no amendment, waiver or modification of Section 6.35 of this Agreement, and no consent with respect to any departure by any Loan Party therefrom, shall be effective unless the same shall be in writing and signed by Lenders in the aggregate having at least 90% of the Aggregate Commitment or, if the Aggregate Commitment has been terminated, Lenders in the aggregate holding at least 90% of the Aggregate Credit Exposure (or the Agent with the consent in writing of such Lenders) and the Loan Parties, and (ii) no amendment, waiver or modification of any other provision of this Agreement or any other Loan Document, and no consent with respect to any departure by any Loan Party therefrom, shall be effective unless the same shall be in writing and signed by the Required Lenders (or the Agent with the consent in writing of the Required Lenders) and the Loan Parties and then, in each such case, any such waiver or consent shall be effective only in the specific instance and for the specific purpose for which given.

(b)           Notwithstanding subsection (a) above, no such amendment, waiver or other modification (I) [Intentionally Omitted], or (II) with respect to this Agreement shall, without the consent of all of the Lenders:

(i)            extend the final maturity of any Loan to a date after the Facility Termination Date;

(ii)           postpone any regularly scheduled payment of principal of any Loan or reduce or forgive all or any portion of the principal amount of any Loan or any Reimbursement Obligation;

(iii)          reduce the rate or extend the time of payment of interest or fees payable to the Lenders pursuant to any Loan Document (except that any amendment or modification of defined terms used in the financial ratios in this Agreement shall not constitute a reduction in the rate of interest or fees for purposes of this clause (iii);

(iv)          amend the definition of Required Lenders;

(v)           extend the Facility Termination Date;

(vi)          increase the amount of the Aggregate Commitment (other than pursuant to Section 2.1.1(ii)) or the Commitment of any Lender hereunder (other than pursuant to Section 12.3);

(vii)         increase the advance rates set forth in the definition of Borrowing Base;

(viii)        [Reserved];

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(ix)           amend this Section 8.3 or Section 10.15;

(x)            release any guarantor from the Guaranteed Obligations, except as otherwise permitted herein or in the other Loan Documents; or

(xi)           except as provided in Section 10.15 or any Collateral Document, release all or substantially all of the Collateral.

(c)           No amendment of any provision of this Agreement relating to the Agent or to the Non-Ratable Loans or the Protective Advances shall be effective without the written consent of the Agent.  No amendment of any provision relating to the LC Issuer shall be effective without the written consent of the LC Issuer.  No amendment of any provision relating to the Swingline Lender shall be effective without the written consent of the Swingline Lender.  The Agent may (i) amend the Commitment Schedule to reflect assignments entered into pursuant to Section 12.3 and (ii) waive payment of the fee required under Section 12.3(c).

(d)           If, in connection with any proposed amendment, waiver or consent (a “Proposed Change”) requiring the consent of all Lenders, the consent of the Required Lenders is obtained, but the consent of other Lenders is not obtained (any such Lender whose consent is not obtained being referred to herein as a “Non-Consenting Lender”), then, so long as the Agent is not a Non-Consenting Lender, the Borrower may elect to replace such Non-Consenting Lender as a Lender party to this Agreement, provided that, concurrently with such replacement, (i) another bank or other entity which is reasonably satisfactory to the Borrower and the Agent shall agree, as of such date, to purchase for cash the Advances and other Obligations due to the Non-Consenting Lender pursuant to an Assignment Agreement and to become a Lender for all purposes under this Agreement and to assume all obligations of the Non-Consenting Lender to be terminated as of such date and to comply with the requirements of Section 12.3 applicable to assignments, and (ii) the Borrower shall pay to such Non-Consenting Lender in same day funds on the day of such replacement (1) all interest, fees and other amounts then accrued but unpaid to such Non-Consenting Lender by the Borrower hereunder to and including the date of termination, including without limitation payments due to such Non-Consenting Lender under Sections 3.1, 3.2 and 3.5, and (2) an amount, if any, equal to the payment which would have been due to such Lender on the day of such replacement under Section 3.4 had the Loans of such Non-Consenting Lender been prepaid on such date rather than sold to the replacement Lender.

8.4.          Preservation of Rights.  No delay or omission of the Lenders, the LC Issuer or the Agent to exercise any right under the Loan Documents shall impair such right or be construed to be a waiver of any Default or an acquiescence therein, and the making of a Credit Extension notwithstanding the existence of a Default or the inability of the Borrower to satisfy the conditions precedent to such Credit Extension shall not constitute any waiver or acquiescence.  Any single or partial exercise of any such right shall not preclude other or further exercise thereof or the exercise of any other right, and no waiver, amendment or other variation of the terms, conditions or provisions of the Loan Documents whatsoever shall be valid unless in writing signed by the Lenders required pursuant to Section 8.3, and then only to the extent in such writing specifically set forth.  All remedies contained in the Loan Documents or by law afforded shall be cumulative and all shall be available to the Agent, the LC Issuer and the Lenders until the Obligations have been paid in full.

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ARTICLE IX

GENERAL PROVISIONS

9.1.          Survival of Representations.  All representations and warranties of the Loan Parties contained in this Agreement and the other Loan Documents shall survive the execution and delivery of the Loan Documents and the making of the Credit Extensions herein contemplated.

9.2.          Governmental Regulation.  Anything contained in this Agreement to the contrary notwithstanding, neither the LC Issuer nor any Lender shall be obligated to extend credit to the Borrower in violation of any limitation or prohibition provided by any applicable statute or regulation.

9.3.          Headings.  Section headings in the Loan Documents are for convenience of reference only, and shall not govern the interpretation of any of the provisions of the Loan Documents.

9.4.          Entire Agreement.  The Loan Documents embody the entire agreement and understanding among the Loan Parties, the Agent, the LC Issuer and the Lenders and supersede all prior agreements and understandings among the Loan Parties, the Agent and the Lenders relating to the subject matter thereof other than those contained in the Fee Letter and any Flex-Pricing Provisions contained in any commitment letter entered into in connection with the transaction which is the subject of this Agreement, all of which shall survive and remain in full force and effect during the term of this Agreement.  THIS WRITTEN AGREEMENT REPRESENTS THE FINAL AGREEMENT BETWEEN THE PARTIES AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS, OR SUBSEQUENT ORAL AGREEMENTS OF THE PARTIES.  THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES.

9.5.          Several Obligations; Benefits of this Agreement.  The respective obligations of the Lenders hereunder are several and not joint and no Lender shall be the partner or agent of any other lender (except to the extent to which the Agent is authorized to act as administrative agent for the Lenders hereunder).  The failure of any Lender to perform any of its obligations hereunder shall not relieve any other Lender from any of its obligations hereunder.  This Agreement shall not be construed so as to confer any right or benefit upon any Person other than the parties to this Agreement and their respective successors and assigns, provided however,, that the parties hereto expressly agree that the Arranger shall enjoy the benefits of the provisions of Sections 9.6, 9.10 and 10.11 to the extent specifically set forth therein and shall have the right to enforce such provisions on its own behalf and in its own name to the same extent as if it were a party to this Agreement.

9.6.          Expenses; Indemnification.

(a)           Expenses.  The Borrower shall reimburse the Agent and the Arranger for any costs, internal charges and out-of-pocket expenses (including attorneys’ fees and time charges of attorneys for the Agent) paid or incurred by the Agent or the Arranger in connection with the preparation, negotiation, execution, delivery, syndication, distribution (including, without limitation, via the internet or through a service such as Intralinks), review, amendment, modification, and administration of the Loan Documents.  The Borrower also agrees to reimburse the Agent, the Arranger, the LC Issuer and the Lenders for any costs, internal charges and out-of-pocket expenses (including attorneys’ fees and time charges of attorneys for the Agent, the Arranger, the LC Issuer and the Lenders, which attorneys may be employees of the Agent, the Arranger, the LC Issuer or the Lenders) paid or incurred by the Agent, the Arranger, the LC Issuer or any Lender in connection with the collection and enforcement of the Loan Documents (including in connection with restructuring the Loans so long as the Lenders shall not have collectively more than one legal counsel in addition to the Agent’s legal counsel).  Expenses being reimbursed by the

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Borrower under this Section include, without limitation, costs and expenses incurred in connection with:

(i)            appraisals of all or any portion of the Collateral, including each parcel of real Property or interest in real Property described in any Collateral Document, which appraisals shall be in conformity with the applicable requirements of any law or any governmental rule, regulation, policy, guideline or directive (whether or not having the force of law), or any interpretation thereof, including, without limitation, the provisions of Title XI of the Financial Institutions Reform, Recovery and Enforcement Act of 1989, as amended, reformed or otherwise modified from time to time, and any rules promulgated to implement such provisions (including travel, lodging, meals and other out of pocket expenses); provided, however, that as long as no Default or Unmatured Default exists and is continuing, no more than two (2) such appraisals per year shall be at the expense of the Borrower;

(ii)           field examinations and audits and the preparation of Reports at the Agent’s then customary charge (such charge is currently $1,000 per day (or portion thereof) for each Person retained or employed by the Agent with respect to each field examination or audit) plus travel, lodging, meals and other out of pocket expenses; provided, however, that as long as no Default or Unmatured Default exists and is continuing, no more than three (3) such field examinations per year shall be at the expense of the Borrower;

(iii)          any amendment, modification, supplement, consent, waiver or other documents prepared with respect to any Loan Document and the transactions contemplated thereby;

(iv)          lien and title searches and title insurance;

(v)           taxes, fees and other charges for recording the Mortgages, filing financing statements and continuations, and other actions to perfect, protect, and continue the Agent’s Liens (including costs and expenses paid or incurred by the Agent in connection with the consummation of the Agreement);

(vi)          sums paid or incurred to take any action required of any Loan Party under the Loan Documents that such Loan Party fails to pay or take;

(vii)         any litigation, contest, dispute, proceeding or action (whether instituted by Agent, the LC Issuer, any Lender, any Loan Party or any other Person and whether as to party, witness or otherwise) in any way relating to the Collateral, the Loan Documents or the transactions contemplated thereby; and

(viii)        costs and expenses of forwarding loan proceeds, collecting checks and other items of payment, and establishing and maintaining the Funding Account and lock boxes, and costs and expenses of preserving and protecting the Collateral.

The foregoing shall not be construed to limit any other provisions of the Loan Documents regarding costs and expenses to be paid by the Borrower.  All of the foregoing may be deducted from the Funding Account or any other deposit account of Borrower maintained with Agent, as further described in Section 2.18(b).

(b)           Indemnification.  The Borrower hereby further agrees to indemnify the Agent, the Arranger, the LC Issuer each Lender, their respective Affiliates, and each of their

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directors, officers and employees against all losses, claims, damages, penalties, judgments, liabilities and expenses (including, without limitation, all expenses of litigation or preparation therefor whether or not the Agent, the Arranger, the LC Issuer any Lender or any Affiliate is a party thereto) which any of them may pay or incur arising out of or relating to this Agreement, the other Loan Documents, the transactions contemplated hereby or the direct or indirect application or proposed application of the proceeds of any Credit Extension hereunder except to the extent that they are determined in a final non-appealable judgment by a court of competent jurisdiction to have resulted from the gross negligence or willful misconduct of the party seeking indemnification.  The obligations of the Borrower under this Section 9.6 shall survive the termination of this Agreement.  WITHOUT LIMITATION OF THE FOREGOING, IT IS THE INTENTION OF THE BORROWER AND THE BORROWER AGREES THAT THE FOREGOING INDEMNITIES SHALL APPLY TO EACH INDEMNIFIED PARTY WITH RESPECT TO LOSSES, CLAIMS, DAMAGES, PENALTIES, JUDGMENTS, LIABILITIES AND EXPENSES (INCLUDING, WITHOUT LIMITATION, ALL EXPENSES OF LITIGATION OR PREPARATION THEREFOR), WHICH IN WHOLE OR IN PART ARE CAUSED BY OR ARISE OUT OF THE NEGLIGENCE OF SUCH (AND/OR ANY OTHER) INDEMNIFIED PARTY.

9.7.          Numbers of Documents.  All statements, notices, closing documents, and requests hereunder shall be furnished to the Agent with sufficient counterparts so that the Agent may furnish one to each of the Lenders.

9.8.          Accounting.  Except as provided to the contrary herein, all accounting terms used herein shall be interpreted and all accounting determinations hereunder shall be made in accordance with GAAP in a manner consistent with that used in preparing the financial statements referred to in Section 5.5.  If at any time any change in GAAP would affect the computation of any financial ratio or requirement set forth in any Loan Document, and the Borrower, the Agent or the Required Lenders shall so request the Agent, the Lenders and the Loan Parties shall negotiate in good faith to amend such ratio or requirement to preserve the original intent thereof in light of such change in GAAP (subject to the approval of the Required Lenders), provided that, until so amended, such ratio or requirement shall continue to be computed in accordance with GAAP prior to such change therein and the Borrower shall provide to the Agent and the Lenders reconciliation statements showing the difference in such calculation, together with the delivery of monthly, quarterly and annual financial statements required hereunder.

9.9.          Severability of Provisions.  Any provision in any Loan Document that is held to be inoperative, unenforceable, or invalid in any jurisdiction shall, as to that jurisdiction, be inoperative, unenforceable, or invalid without affecting the remaining provisions in that jurisdiction or the operation, enforceability, or validity of that provision in any other jurisdiction, and to this end the provisions of all Loan Documents are declared to be severable.

9.10.        Nonliability of Lenders.  The relationship between any Loan Party on the one hand and the Lenders, the LC Issuer and the Agent on the other hand shall be solely that of debtor and creditor.  Neither the Agent, the Arranger, the LC Issuer nor any Lender shall have any fiduciary responsibilities to any Loan Party.  Neither the Agent, the Arranger, the LC Issuer nor any Lender undertakes any responsibility to any Loan Party to review or inform such Loan Party of any matter in connection with any phase of any Loan Party’s business or operations.  The Loan Parties agree that neither the Agent, the Arranger, the LC Issuer nor any Lender shall have liability to any Loan Party (whether sounding in tort, contract or otherwise) for losses suffered by any Loan Party in connection with, arising out of, or in any way related to, the transactions contemplated and the relationship established by the Loan Documents, or any act, omission or event occurring in connection therewith, unless it is determined in a final non-appealable judgment by a court of competent jurisdiction that such losses resulted from the gross negligence or willful misconduct of the party from which recovery is sought.  Neither the Agent, the Arranger, the LC Issuer nor any Lender shall have

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any liability with respect to, and each Loan Party hereby waives, releases and agrees not to sue for, any special, indirect, consequential or punitive damages suffered by any Loan Party in connection with, arising out of, or in any way related to the Loan Documents or the transactions contemplated thereby.

9.11.        Confidentiality.  Each Lender agrees to hold any confidential information which it may receive from any Loan Party in connection with this Agreement in confidence, except for disclosure (a) to its Affiliates and to other Lenders and their respective Affiliates and agents who are told of the confidential nature of the information and agree to keep such information confidential, (b) to legal counsel, accountants, and other professional advisors to such Lender or to a Transferee, (c) to regulatory officials, (d) to any Person as requested pursuant to or as required by law, regulation, or legal process, (e) to any Person in connection with any legal proceeding to which such Lender is a party, (f) to such Lender’s direct or indirect contractual counterparties in swap agreements or to legal counsel, accountants and other professional advisors to such counterparties, (g) permitted by Section 12.4 and (h) to rating agencies if requested or required by such agencies in connection with a rating relating to the Credit Extensions hereunder. Without limiting Section 9.4, the Borrower agrees that the terms of this Section 9.11 shall set forth the entire agreement between the Borrower and each Lender (including the Agent) with respect to any confidential information previously or hereafter received by such Lender in connection with this Agreement, and this Section 9.11 shall supersede any and all prior confidentiality agreements entered into by such Lender with respect to such confidential information. Notwithstanding anything herein to the contrary, confidential information shall not include, and each party to any of the Loan Documents and their respective Affiliates (and the respective partners, directors, officers, employees, advisors, representatives and other agents of each of the foregoing and their Affiliates) may disclose to any and all Persons, without limitation of any kind, (i) any information with respect to the U.S. federal and state income tax treatment of the transactions contemplated hereby and any facts that may be relevant to understanding such tax treatment, which facts shall not include for this purpose the names of the parties or any other Person named herein, or information that would permit identification of the parties or such other Persons, or any pricing terms or other nonpublic business or financial information that is unrelated to such tax treatment or facts, and (ii) all materials of any kind (including opinions or other tax analyses) relating to such tax treatment or facts that are provided to any of the Persons referred to above, and it is hereby confirmed that each of the Persons referred to above has been authorized to make such disclosures since the commencement of discussions regarding the transactions contemplated hereby.