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Marathon Oil Corporation to Participate in Raymond James Institutional Investors Conference

Marathon Oil Corporation to Participate in Raymond James Institutional
Investors Conference

HOUSTON, Feb. 18, 2014 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE:
MRO) announced today that Howard J. Thill, vice president, Corporate,
Government and Investor Relations, will present at the Raymond James 35^th
Annual Institutional Investors Conference on Tuesday, March 4 at 11 a.m. EST.

A live audio webcast of the remarks will be accessible via Marathon Oil's
website at http://www.marathonoil.com. This presentation and associated
question-and-answer session will include forward-looking information. A replay
of the presentation will be available and archived on Marathon Oil's website
until April 4, 2014.

Marathon Oil Corporation is an international exploration and production
company. Based in Houston, Texas, Marathon Oil had net proved reserves at the
end of 2013 of approximately 2.2 billion barrels of oil equivalent in North
America, Europe and Africa. For more information, please visit the website
athttp://www.marathonoil.com.

                                     ###

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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