EXHIBIT 99.1

Monthly Operating Report for the Period

April 1, 2013 to April 30, 2013

This Monthly Operating Report ("MOR") has been prepared solely for the purposes of complying with the monthly reporting requirements applicable in these Chapter 11 cases and is in a format that the Debtors believe is acceptable to the United States Trustee.  The financial information contained herein is limited in scope and covers a limited time period. Moreover, such information is preliminary and unaudited, and is not prepared in accordance with accounting principles generally accepted in the United States ("GAAP").

I declare under penalty of perjury that this report and the attached documents are true and correct to the best of my knowledge and belief.

NOTES TO MONTHLY OPERATING REPORT

This MOR includes activity from the following Debtors:

General Notes:

The financial statements and supplemental information contained herein are preliminary, unaudited, and may not comply in all material respects with GAAP.  In addition, the financial statements and supplemental information contained herein represent consolidated information.

The unaudited consolidated financial statements have been derived from the books and records of the Debtors and exclude activity for their non-debtor subsidiaries. This information has not been subject to certain procedures that would typically be applied to financial information in accordance with GAAP, and upon application of such procedures the financial information could be subject to changes, and these changes could be material.

The financial information contained herein is presented on a preliminary and unaudited basis and remains subject to future adjustment. The Debtors are reviewing their books and records and other information on an ongoing basis to determine whether the financial statements should be supplemented or otherwise amended. The Debtors reserve the right to file, at any time, such supplements or amendments to the financial statements that form a part of this MOR. The financial statements should not be considered an admission regarding any of the Debtors’ income, expenditures or general financial condition, but rather, a current compilation of the Debtors’ books and records. The Debtors do not make, and specifically disclaim, any representation or warranty as to the completeness or accuracy of the information set forth herein.

The unaudited consolidated financial statements contained herein have been prepared on a going concern basis and do not reflect or provide all of the possible consequences of the ongoing chapter 11 cases. Specifically, the unaudited consolidated financial statements do not present the amount which will ultimately be paid to settle liabilities and contingencies which may be required in these cases. As a result of the chapter 11 proceedings, the Debtors may take, or may be required to take, actions which may cause assets to be realized, or liabilities to be liquidated, for amounts other than those reflected in the unaudited consolidated financial statements.

Certain footnote disclosures normally include in unaudited consolidated financial statements prepared in accordance with GAAP have been condensed or omitted. Preparation of the financial statements requires management to make estimates and assumptions that affect the reported amounts of assets and liabilities and disclosure of contingent assets and liabilities at the date of the financial statements and the reported amount of expenses during the reporting period. The results of operations contained herein are not necessarily indicative of results which 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.

MOR-1:

SCHEDULE OF CASH RECEIPTS AND DISBURSEMENTS ¹

(Dollars in thousands)

Notes

1 – Cash is received and disbursed by the Debtors as described in the Debtors’ motion to approve continued use of their cash management system (which motion was granted on a final basis pursuant to an order entered by the Bankruptcy Court on January 15, 2013) and is consistent with the Debtors’ historical cash management practices.  All amounts listed are the balances reported by the bank as of the end of the reporting period. Copies of bank statements will be provided upon reasonable request in writing to counsel for the Debtors.

2 – Cash disbursements during the month of April 2013 include $718 of outstanding checks. 

MOR-1 (CON’T):

BANK RECONCILIATIONS ^{1, 2, 3, 4, 5}

(Dollars in thousands)

Notes

1 –The Debtors have not included copies of their bank statements or cash disbursement journals due to the voluminous nature of these reports. Copies of the Debtors’ bank statements and cash disbursement journals will be provided upon reasonable request in writing to counsel for the Debtors.

2 –The Debtors reconcile their bank accounts on a monthly basis.

3 –The Debtors have excluded accounts with no balance as of the end of the reporting period.

4 –The Debtors’ bank balances exclude $761 of outstanding checks.

5 –During the current reporting period, the Debtors closed an account in the name of K-V Pharmaceutical Company at Fifth Third Bank (account ending in 1876). The funds in the closed account were disbursed pursuant to the settlement agreement with Particle Dynamics International, LLC and Fifth Third Bank, which was approved pursuant to an order of the Bankruptcy Court entered on March 13, 2013 [Docket No. 665].

6 –The Debtors opened this bank account post-petition on August 28, 2012 in accordance with the order of the Bankruptcy Court, entered on August 23, 2012, that, among other things, established procedures for providing deposits to the Debtors’ utility service providers that request adequate assurance of payment and deemed such utility service providers to have adequate assurance of payment.

MOR-2:

CONSOLIDATED STATEMENT OF OPERATIONS

(Unaudited; Dollars in thousands)

Notes

1 – The Debtors prepare their income statement on an accrual basis. Accordingly, the Debtors’ Statement of Operations, as set forth in this MOR, reflects the results of the Debtors’ operations for the month of April 2013. 

MOR-3:

CONSOLIDATED BALANCE SHEET

(Unaudited; Dollars in thousands)

Notes

1 – Debtor-in-Possession Financing includes the amount of $85,000 under the Debtors’ debtor-in-possession financing facility (the “DIP Facility”), which was approved pursuant to an order of the Bankruptcy Court (the “DIP Order”) entered on December 27, 2012 [Docket No. 497], as well as accrued paid-in-kind interest of $1,612. For administrative purposes, the net proceeds of the DIP Facility are being held in an account in the name of Silver Point Finance, LLC, the agent for the DIP Facility.

MOR-4:

STATUS OF POST-PETITION TAXES ^{1, 2}

(Dollars in thousands)

Notes

1 - The Debtors have not annexed copies of tax returns filed with various taxing authorities during the current reporting period to this MOR, nor have they included the Debtors’ IRS Form 6123 with this MOR. Copies of such tax returns and IRS Form 6123 will be provided upon reasonable request in writing to counsel for the Debtors.

2 - The Debtors believe they are paying all undisputed taxes and preparing and filing all tax returns when due or obtaining extensions where necessary.

MOR-4 (CON’T):

SUMMARY OF UNPAID POST-PETITION DEBTS ¹

(Dollars in thousands)

Notes

1 - The Debtors believe they are paying all undisputed post-petition obligations according to terms.   

MOR-5:

ACCOUNTS RECEIVABLE RECONCILIATION AND AGING

(Dollars in thousands)

MOR-6:

PAYMENTS TO INSIDERS AND PROFESSIONALS

(Dollars in thousands)

Notes

1 – Additional detail concerning payments to the Debtors’ insiders will be provided upon reasonable request in writing to counsel for the Debtors.

Notes

1 – Represents professional services exclusive of those rendered by professionals retained by the Debtors pursuant to the September 27, 2012 order of the Bankruptcy Court authorizing the Debtors to employ and retain professionals utilized in the ordinary course of business.

2 – Represents amounts requested during the current reporting period.

3 – Represents payments made from the date of the Bankruptcy Court’s order authorizing each firm’s retention.

4 – The $400 to Lowenstein Sandler PC was paid pursuant to the DIP Order.

MOR-6 (CON’T):

POST-PETITION STATUS OF SECURED NOTES, LEASES PAYABLE

AND ADEQUATE PROTECTION PAYMENTS ¹

(Dollars in thousands)

Notes

1 - The Debtors’ schedule of lease payments, as set forth in this MOR, only reflects payments made pursuant to the Debtors’ real property leases. Immaterial leases of personal property are not included in this MOR-6.

2 – On February 13, 2013, the Bankruptcy Court entered an order authorizing the Debtors to enter into a new corporate headquarters lease agreement for premises located at 16640 Chesterfield Grove Road, Suite 200, Chesterfield, Missouri [Docket No. 598]. During the current reporting period, no payments were made with respect to such lease.

MOR-7:

DEBTOR QUESTIONNAIRE

MAKENA^® PERFORMANCE METRICS

Makena^® (hydroxyprogesterone caproate injection) is the Debtors’ single-most valuable product. The information below addresses certain key performance metrics related to Makena^®. The amounts shown are based on estimates and are subject to change. Gross revenues are preliminary and unaudited, and are not prepared in accordance with GAAP.