Investor Center

Corporate Profile

Marathon Oil Corporate (NYSE: MRO) is engaged in worldwide exploration, production and marketing of liquid hydrocarbons and natural gas; oil sands mining and bitumen upgrading in Canada; domestic refining, marketing and transportation of crude oil and petroleum products; and worldwide marketing and transportation of products manufactured from natural gas, such as liquefied natural gas and methanol.

Upcoming Events

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Recent Events

Q3 2009 Marathon Oil Corporation Earnings Conference Call Tuesday, November 3, 2009 2:00 p.m. ET Supporting Materials   Q3 2009 Investor Relations Packet   Q3 2009 Financial Results Earnings Release   Q3 2009 Marathon Oil Corporation Earnings Presentation   3Q 2009 Earnings Conference Call Remarks by Howard J. Thill

Contact Information

Investor Relations (For investor inquiries) Howard J. Thill Vice President Investor Relations and Public Affairs P.O. Box 3128 Houston, TX 77253-3128 phone: 713-296-4140 email: hjthill@marathonoil.com Chris C. Phillips Manager, Investor Relations phone: 713-296-3213 email: ccphillips@marathonoil.com

Corporate Headquarters Marathon Oil Corporation 5555 San Felipe Road Houston, TX 77056-2723 Principal Stock Transfer Agent Computershare P.O. Box 43078 Providence, RI 02940 phone: 888-843-5542 email: web.queries@computershare.com Independent Registered Public Accounting Firm PricewaterhouseCoopers LLP 1201 Louisiana Suite 2900 Houston, TX 77002-5678 phone: 713-356-4000 fax: 713-356-4717

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