Marathon Oil Corporation to Participate in Credit Suisse Energy Summit 2013

Marathon Oil Corporation to Participate in Credit Suisse Energy Summit 2013

HOUSTON, Jan. 31, 2013 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE:
MRO) announced today that Janet F. Clark, Marathon Oil executive vice
president and chief financial officer, will present at the Credit Suisse
Energy Summit 2013 on Thursday, Feb. 7 at 10:25 a.m. MST.

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 March 7, 2013.

Marathon Oil Corporation is an independent international exploration and
production company. Based in Houston, Texas, Marathon Oil had net proved
reserves at the end of 2011 of 1.8 billion barrels of oil equivalent in North
America, Europe and Africa. For more information, please visit the website at
http://www.marathonoil.com.

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