News Releases

Marathon Oil's Second Quarter 2011 Financial Results Conference Call To Be Available on Company WebsiteHOUSTON, July 19, 2011 - Marathon Oil Corporation (NYSE: MRO) announced today that the Company's second quarter 2011 financial results conference call will be webcast on the Marathon Oil Corporation website on Tuesday, Aug. 2, at 2:30 p.m. EDT. (Note this is 30 minutes later than the regularly scheduled time slot.) The call will include forward-looking information.

Howard J. Thill, Marathon Oil vice president, Investor Relations and Public Affairs, will host the call. Also participating from Marathon Oil will be Clarence P. Cazalot Jr., chairman, president and CEO; David E. Roberts Jr., executive vice president and chief operating officer; and Janet F. Clark, executive vice president and chief financial officer.

Interested parties can listen to the conference call by visiting Marathon Oil's website at http://www.MarathonOil.com and clicking on the 2011 Second Quarter Financial Results link. Replays of the conference call will be available on the website through Aug. 16, 2011. Financial information, including earnings releases and other investor-related material, also is available online.

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Media Relations Contacts
Lee Warren: 713-296-4103
John Porretto: 713-296-4102

Investor Relations Contacts
Howard Thill: 713-296-4140
Chris Phillips: 713-296-3213