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 Report (Date of earliest event reported): November 14, 2002 MARATHON OIL CORPORATION (Exact Name of Registrant as Specified in Charter) Delaware 1-5153 25-0996816 -------------------- ------------------------- --------------------- (State or Other Jurisdiction of (Commission File Number) (IRS Employer Incorporation) Identification Number) 5555 San Felipe Road, Houston, TX 77056-2723 ----------------------------------------------- (Address of Principal Executive Offices) (713) 629-6600 ------------------------------ (Registrant's telephone number, including area code) ITEM 7. Financial Statements and Exhibits (c) Exhibits 99.1 Press Release - "Marathon Updates Production Forecast". ITEM 9. Regulation FD Disclosure On November 14, 2002, Marathon Oil Corporation (Marathon) issued a press release announcing updates to production forecasts for 2002, 2003 and 2004 (Release). Attached is a copy of the Release in substantially the form released. 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 hereunto duly authorized. MARATHON OIL CORPORATION By: /s/ A. G. Adkins ----------------------------- A. G. Adkins Vice President - Accounting and Controller Dated: November 14, 2002