Marathon Oil (MRO)

Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

On October 25, 2006, the Corporation’s Board of Directors appointed John W. Snow to serve on the following three committees: (1) the Compensation Committee; (2) the Committee on Financial Policy; and (3) the Corporate Governance and Nominating Committee. The Board has determined that Mr. Snow is an independent director under the rules of the New York Stock Exchange and the Corporation’s Corporate Governance Principles. In addition, there were no transactions between Mr. Snow and the Corporation since the beginning of the Corporation’s last fiscal year or any currently proposed transaction, or series of transactions, in which the amount involved exceeds $60,000.

Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

On September 27, 2006, Marathon Oil Corporation announced that John W. Snow has been elected as an additional member to the Board of Directors of the Company, effective today. At this time, no determinations have been made with respect to committee appointments or related party transactions.

Item 5.02 Departure of Directors or Principal Officers; Election of Directors; Appointment of Principal Officers.

On April 27, 2006, Marathon Oil Corporation (Marathon) announced that Albert G. Adkins, Vice President, Accounting and the principal accounting officer of the company, is retiring effective May 1, 2006.

On April 27, 2006, Marathon also announced the election of Michael K. Stewart to the position of Vice President, Accounting and Controller, effective May 1, 2006. He will also become the company’s principal accounting officer. Mr. Stewart has been employed by Marathon (or companies currently or previously affiliated with Marathon) since 1985. His most recent position was Controller from July 2005 through April 30, 2006. He also served as Director of Internal Audit from 2002 through June 2005, and Manager of Internal Reporting and External Analysis in 2001 for Marathon Oil Company, a wholly-owned subsidiary. Mr. Stewart is 48 years old.