Marathon Oil's Third Quarter 2012 Financial Results Conference Call To Be Available on Company Website

Marathon Oil's Third Quarter 2012 Financial Results Conference Call To Be
Available on Company Website

HOUSTON, Oct. 9, 2012 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE: MRO)
announced today that the Company's third quarter 2012 financial results
conference call will be webcast on the Marathon Oil Corporation website on
Tuesday, Nov. 6, at 2:00 p.m. EST. 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 2012 Third
Quarter Financial Results link. Replays of the conference call will be
available on the website through Nov. 20, 2012. Financial information,
including earnings releases and other investor-related material, also is
available online.

CONTACT: 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
 
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