Exhibit 99.1

MONTHLY OPERATING REPORT SUMMARY

***The original of this document must be filed with the United States Bankruptcy Court and a copy must be sent to the United States Trustee***

MOR-1

The Debtors in these chapter 11 cases, along with the last four digits of each Debtor’s federal tax identification number, as applicable, are: Memorial Production Partners LP (6667); Memorial Production Partners GP LLC; MEMP Services LLC (1887); Memorial Production Operating LLC; Memorial Production Finance Corporation (3356); WHT Energy Partners LLC; WHT Carthage LLC; Memorial Midstream LLC; Beta Operating Company, LLC; Columbus Energy, LLC; Rise Energy Operating, LLC; Rise Energy Minerals, LLC; Rise Energy Beta, LLC; San Pedro Bay Pipeline Company (1234); and Memorial Energy Services LLC. The Debtors’ mailing address is 500 Dallas Street, Suite 1600, Houston, Texas 77002.

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Notes to the Monthly Operating Report

INTRODUCTION:

This monthly operating report (“MOR”) is unaudited and does not purport to represent financial statements prepared in accordance with GAAP nor is it intended to fully reconcile to the consolidated financial statements prepared by the Debtors. Unlike the consolidated financial statements, the MOR reflects the assets and liabilities of each Debtor, except where otherwise indicated. Information contained in the MOR has been derived from the Debtors’ books and records. Therefore, in order to comply with their obligations to provide MORs during these Chapter 11 Cases, the Debtors have prepared this MOR using the best information presently available to them, which has been collected, maintained, and prepared in accordance with their historical accounting practices. This MOR is, thus, true and accurate to the best of the Debtors’ knowledge, information and belief based on currently available data. The results of operations and financial position contained herein are not necessarily indicative of results that may be expected for any other period or for the full year and may not necessarily reflect the consolidated results of operations and financial position of the Debtors in the future.

RESERVATION OF RIGHTS:

Given the complexity of the Debtors’ business, inadvertent errors or omissions may have occurred. Accordingly, the Debtors hereby reserve all of their rights to dispute the validity, status, enforceability, or executory nature of any claim amount, representation or other statement in this Monthly Operating Report and reserve the right to amend or supplement this Monthly Operating Report, if necessary, but shall be under no obligation to do so.

Notes to MOR-1 and MOR-2:

The income statement and balance sheet are represented on a consolidated basis at the Memorial Production Partners LP (“MEMP”) level. Intercompany balances have been eliminated for all MEMP debtors.

Notes to MOR-3:

Prepetition interest payable has been included in reported amounts for Debt.

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Notes to the Monthly Operating Report

Notes to MOR-4:

The Debtors have sought to allocate liabilities between the prepetition and postpetition periods based upon the information available at the time of, and research conducted in connection with, the preparation of this MOR. As additional information becomes available and further research is conducted, the Debtors’ allocation of liabilities between the prepetition and postpetition periods may change. The liability information, except as otherwise noted, is listed as of the close of business as of the end of the month. Accordingly, the Debtors reserve all rights to amend, supplement or otherwise modify this MOR as necessary and appropriate. Accrued liabilities have not been evaluated as liabilities subject to compromise and are subject to material change.

Notes to MOR-5:

The accounts payable and account receivable agings are presented on a consolidated basis at the MEMP level. Intercompany balances are excluded from the agings.

Notes to MOR-6:

The income statement is presented on a consolidated basis. Reorganization items, net primarily represents legal and other professional advisory fees directly associated with the Chapter 11 proceedings since the Petition Date.

Notes to MOR-7:

Although payment of prepetition claims is generally not permitted, the Bankruptcy Court has authorized the Debtors to pay certain prepetition claims in designated categories. This relief generally was designed to preserve the value of the Debtors’ business and assets. The Debtors have paid and continue to pay undisputed postpetition obligations in the ordinary course of business.

Intercompany receipts and disbursements are excluded from this report. Based on centralized cash management practices, almost all disbursements are made by Memorial Production Operating LLC and Beta Operating Company, LLC on behalf of all Debtors. To conform to U.S. Trustee disbursement reporting requests to track disbursements by Debtor, the Debtors have made a reasonable effort to assign these disbursements to the entity on whose behalf the payment was made, but this assignment may differ somewhat from the final intercompany accounting. The Debtors have added a second column (2) to show the corporate entity that made the disbursement.

Notes to MOR-8:

MOR-08 excludes restricted accounts related to decommissioning funds and collateral deposits totaling $155,887,562 as of March 31, 2017 and a lockbox the Debtors maintain. Any checks sent to the lockbox are deposited into account ending x3030 the same day.

Notes to MOR-9:

The list of insiders is consistent with public disclosures of Memorial Production Partners LP and other filings associated with this Chapter 11 case. Payments to ordinary course professionals or consultants are not included in MOR-9.

Payments to insiders in February, 2017 include $1.025 million in payments under the Key Employee Incentive Plan. These payments were funded by a nondebtor entity, MEMP S-1 Inc. The funds flowed from MEMP S-1 Inc. through the main operating account of Memorial Production Operating LLC to MEMP Services LLC, the entity that processes employee payroll, for processing and disbursement.

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UNITED STATES BANKRUPTCY COURT

MOR-2 - COMPARATIVE BALANCE SHEETS

COMPARATIVE BALANCE SHEETS

(Amounts in Thousands)

MOR-2

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UNITED STATES BANKRUPTCY COURT

MOR-3 - COMPARATIVE BALANCE SHEETS

COMPARATIVE BALANCE SHEETS

(Amounts in Thousands)

MOR-3

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UNITED STATES BANKRUPTCY COURT

MOR-4 - SCHEDULE OF POST-PETITION LIABILITIES

COMPARATIVE BALANCE SHEETS

(Amounts in Thousands)

MOR-4

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AGING OF POST-PETITION PAYABLES

(Amounts in Thousands)

AGING OF ACCOUNTS RECEIVABLES

(Amounts in Thousands)

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Consolidated Statements of Operations

(Amounts in Thousands)

MOR-6

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Cash Receipts and Disbursements

MOR-7

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Bank Account Information (*)

(Amounts in Thousands)

MOR-8

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PAYMENTS TO INSIDERS AND PROFESSIONALS (*)

(Amounts in Thousands)

Of the total disbursements shown for the month, list the amount paid to insiders (as defined in Section 101(31)(A)-(F) of the U.S. Bankruptcy Code) and the professionals.

Also, for insiders, identify the type of compensation paid (e.g., salary, commission, bonus, etc.) (Attach additional pages as necessary).

MOR-9

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