A live audio webcast of these remarks, along with the associated slides, will be accessible via Marathon's Web site at http://www.marathon.com/. This presentation and associated question and answer session may include forward-looking information. A replay of the presentation will be available and archived on Marathon's Web site through Sept. 23, 2009.

Marathon is an integrated international energy company engaged in exploration and production; oil sands mining; integrated gas; and refining, marketing and transportation operations. Marathon, which is based in Houston, has principal operations in the United States, Angola, Canada, Equatorial Guinea, Gabon, Indonesia, Libya, Norway and the United Kingdom. Marathon is the fourth largest United States-based integrated oil company and the nation's fifth largest refiner.

   Media Relations Contacts:     Lee Warren         713-296-4103                                 Leslie Hiltabrand  713-296-4102    Investor Relations Contacts:  Howard Thill       713-296-4140                                 Chris Phillips     713-296-3213  

Marathon Oil Corporation

CONTACT: Media Relations: Lee Warren, +1-713-296-4103, LeslieHiltabrand, +1-713-296-4102; Investor Relations: Howard Thill,+1-713-296-4140, Chris Phillips, +1-713-296-3213, all of Marathon OilCorporation

Web Site: http://www.marathon.com/

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