Terms

Visitors to this website should not base their investment decisions solely upon any material contained in the site. Visitors seeking additional information are referred to the annual reports on Form 10-K, quarterly reports on Form 10-Q and other special reports such as those found on Form 8-K filed by Marathon Oil Corporation with the United States Securities and Exchange Commission (the SEC) under the Securities Exchange Act of 1934. Visitors also are referred to registration statements filed by Marathon Oil Corporation with the SEC under the Securities Act of 1933. Proxy statements and Marathon Oil Corporation's annual reports to its shareholders provide additional sources of information. No information contained in this website constitutes investment advice or an invitation to invest in any securities of Marathon Oil Corporation.

Cautionary note to U.S. Investors- The SEC permits oil and gas companies, in their filings with the SEC, to disclose only proved, probable and possible reserves. From time to time, we may use certain terms on this website or the documents contained herein, such as net risked resource potential, risked resource, total resource, total unrisked resource, net resource, 2P resource, net 2P resource, gross resource potential, resources, resource potential, potential resource, and other similar terms or variations of the foregoing terms, that are not specifically designated as being estimates of proved, probable or possible reserves. The SEC guidelines strictly prohibit us from including these terms in filings with the SEC. U.S. Investors are urged to consider closely the disclosures in our Forms 10-K, 10-Q and 8-K, Commission File No. 1-5153, available from us at Marathon Oil Corporation, Attn. Investor Relations, 5555 San Felipe Street, Houston, TX 77056-2723. Our Form 10-K and other filings with the SEC can be electronically accessed from our website or the SEC's website at www.sec.gov.

Marathon Oil does not warrant the accuracy or completeness of the information, text, graphics, links, or other items contained in this website. Marathon Oil expressly disclaims liability for errors or omissions in these materials and for their use or interpretation by others. Decisions based on information contained in this website are the sole responsibility of the visitor. Links to sites not maintained by Marathon Oil (third party websites) are provided for your convenience and Marathon Oil is not responsible for, and has not determined whether, such information is accurate.

Except as otherwise noted, the text and graphics provided in this website are copyrighted by Marathon Oil; however, visitors may make a single copy of information published on this website for their personal, non-commercial use or use within the organization that employs them. Marathon Oil's name, logos, and trademarks may not otherwise be used by the visitors in any manner without the prior written consent of Marathon Oil. Any visitor to the Marathon Oil Web site providing information to Marathon Oil agrees that the company has unlimited rights to such information and that Marathon Oil may use such information in any way without compensation or acknowledgment of its source.

Thank you for your interest in Marathon Oil Corporation.

MARATHON OIL is a registered trademark of Marathon Oil Company in the United States and other countries.