Marathon Oil Corporation to Participate in UBS Global Oil and Gas Conference

Marathon Oil Corporation to Participate in UBS Global Oil and Gas Conference

HOUSTON, May 8, 2014 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE: MRO)
announced today that John R. (J.R.) Sult, Marathon Oil executive vice
president and chief financial officer, will present at the UBS Global Oil and
Gas Conference in Austin on Tuesday, May 20 at 8:40 a.m. CDT.

A live 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 June 20, 2014.

Marathon Oil Corporation is an international exploration and production
company. Based in Houston, Texas, the Company 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.

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