1 SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 FORM 8-K/A CURRENT REPORT Pursuant to Section 13 or 15(d) of the Securities Exchange Act of 1934 Date of earliest event reported: May 8, 1997 PARKER DRILLING COMPANY - -------------------------------------------------------------------------------- (Exact name of registrant as specified in its charter) Delaware 1-7573 73-0618660 - -------------------------------------------------------------------------------- (State or other jurisdiction Commission File Number (IRS Employer of incorporation) Identification No.) Eight East Third Street, Tulsa, Oklahoma 74103 - -------------------------------------------------------------------------------- (Address of principal executive offices) (Zip Code) Registrant's telephone number, include area code: (918) 585-8221 2 The financial statements of Hercules Offshore Corporation's Predecessor Company ("Hercules") for the four month period ended April 30, 1996 have been restated, as prescribed by accounting regulations of the Securities and Exchange Commission to reflect additional general and administrative expenses and a corresponding decrease in net income as a result of payments made by former shareholders of the former Parent of Hercules to an officer of Hercules and a company affiliated with an officer of Hercules. Such changes do not affect the financial statements of Hercules for the eight months ended December 31, 1996 or the financial statements of Parker Drilling Company. Item 7: Financial Statements, Pro-Forma Financial Information and Exhibits (c) Exhibits 99.1 Certain Financial Statements of Hercules Offshore Corporation and Predecessor Company, as restated as described in Note 1. 99.2 Certain Financial Statements of Hercules Rig Corporation. 3 SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, the Registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized. PARKER DRILLING COMPANY By: /s/ JAMES J. DAVIS ------------------------------------ James J. Davis Senior Vice President - Finance and Chief Financial Officer Date: March 6, 1998 4 EXHIBIT INDEX Exhibit Number Description - ------- ----------- 99.1 Certain Financial Statements of Hercules Offshore Corporation and Predecessor Company. 99.2 Certain Financial Statements of Hercules Rig Corporation.