UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D. C. 20549 FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Earliest Event Reported: April 25, 2003 Commission File No. 1-8968 ANADARKO PETROLEUM CORPORATION 1201 Lake Robbins Drive, The Woodlands, Texas 77380-1046 (832) 636-1000 Incorporated in the Employer Identification State of Delaware No. 76-0146568 Item 7c. Exhibits 99.1 Anadarko Press Release, dated April 25, 2003 - Anadarko Announces Strong First-Quarter Earnings, Increases Capital Budget, Raises 2003 Guidance. Item 9. Regulation FD Disclosure (Information provided pursuant to Item 12 - Results of Operations and Financial Condition) On April 25, 2003, Anadarko Petroleum Corporation announced first quarter 2003 earnings and increases in the 2003 capital budget and 2003 guidance. The press release is included in this report as Exhibit 99. SIGNATURES 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 thereunto duly authorized officer. ANADARKO PETROLEUM CORPORATION (Registrant) April 25, 2003 By: /s/ Diane L. Dickey --------------------------- Diane L. Dickey - Vice President and Controller