UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 10549 FORM 10-K/A-1 (Mark One) [X] ANNUAL REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the fiscal year ended August 31, 1998 --------------- [ ] TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 For the transition period from to --------------- ---------------- Commission file number 1-7573 ------ PARKER DRILLING COMPANY (Exact name of registrant as specified in its charter) Delaware 73-0618660 - ------------------------------ ------------------------------------ (State or other jurisdiction of (I.R.S. Employer Identification No.) incorporation or organization) Parker Building, Eight East Third Street, Tulsa, Oklahoma 74103 ----------------------------------------------------------------- (Address of principal executive offices) (zip code) Registrant's telephone number, including area code (918) 585-8221 ----------------------------------------------------------------- Securities registered pursuant to Section 12(b) of the Act: Name of each exchange on Common Stock, par value $.16 2/3 which registered: per share New York Stock Exchange, Inc. - -------------------------------- ----------------------------- (Title of class) Securities registered pursuant to section 12(g) of the Act: N/A ---------------------------------------------------------- (Title of class) Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes X No --- --- Indicate by check mark if disclosure of delinquent filers pursuant to Item 405 of Regulation S-K is not contained herein, and will not be contained, to the best of registrant's knowledge, in definitive proxy or information statements incorporated by reference in Part III of this Form 10-K or any amendment to this Form 10-K. [ ] As of December 31, 1998, 76,886,806 common shares were outstanding, and the aggregate market value of the common shares (based upon the closing price of these shares on the New York Stock Exchange) held by nonaffiliates was $226.0 million. Documents Incorporated by Reference Part III, Items 10 through 13 Portions of the Company's definitive Proxy Statement in connection with its Annual Meeting to be held February 25, 1999. - ------------------------------------------------------------------------------- Exhibit 99 is an Additional Exhibit - Annual Report on Form 11-K with respect to the Parker Drilling Company Stock Bonus Plan and is being filed as an exhibit to the Company's Form 10-K for fiscal year ended August 31, 1998 Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this amendment to be signed on its behalf by the undersigned, thereunto duly authorized. PARKER DRILLING COMPANY ----------------------- (Registrant) Date: February 26, 1999 By: /s/ I. E. Hendrix ------------------------------------- I. E. Hendrix Vice President and Treasurer INDEX TO EXHIBITS Exhibit Number Description ------- ----------- 99 Annual Report on Form 11-K