CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM
We hereby consent to the incorporation by reference in the Registration Statements listed below of Marathon Oil Corporation of our report dated February 25, 2004, except as to Note 8 which is as of May 26, 2004, relating to the financial statements, which appears in Marathon Oil Corporation’s Current Report on Form 8-K dated June 15, 2004:
On Form S-3: | Relating to: | |||
File No. | 33-57997 | Dividend Reinvestment Plan | ||
333-88947 | Dividend Reinvestment and Direct Stock Purchase Plan | |||
333-99223 | Marathon Oil Corporation Debt Securities, Common Stock, Preferred Stock, Warrants, Stock Purchase Contracts/Units and Preferred Securities | |||
333-99223-01 | Marathon Financing Trust I | |||
333-99223-02 | Marathon Financing Trust II | |||
On Form S-8: | Relating to: | |||
File No. | 33-41864 | 1990 Stock Plan | ||
33-56828 | Marathon Oil Company Thrift Plan | |||
333-29699 | 1990 Stock Plan | |||
333-29709 | Marathon Oil Company Thrift Plan | |||
333-52751 | 1990 Stock Plan | |||
333-86847 | 1990 Stock Plan | |||
333-104910 | Marathon Oil Corporation 2003 Incentive Compensation Plan |
PricewaterhouseCoopers LLP
Houston, Texas
June 15, 2004