Marathon Oil Analyst Day to be Available on Company Website

Marathon Oil Analyst Day to be Available on Company Website

HOUSTON, Nov. 12, 2013 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE:
MRO) announced today that the Company's Analyst Day will be held Wednesday,
Dec. 11, in New York and will be webcast live beginning at 8:30 a.m. EST. The
meeting is expected to last until 12:30 p.m. EST, including a
question-and-answer session, and will be accessible via the Marathon Oil
website.

During the meeting, Marathon Oil's leadership team will present details about
the Company's business plans and strategies. The presentations and answers to
questions will include forward-looking information.

Planned presenters include:

  *Lee M. Tillman, president and CEO
  *John R. (J.R.) Sult, executive vice president and chief financial officer
  *Annell R. Bay, vice president, Global Exploration
  *T.M. (Mitch) Little, vice president, International and Offshore Production
    Operations
  *Lance W. Robertson, vice president, North America Production Operations

The live audio webcast will be available on the Company's website at
http://www.MarathonOil.com. A replay of the webcast will be available and
archived on the website through March 11, 2014.

Marathon Oil is an international exploration and production company. Based in
Houston, Texas, the Company had net proved reserves at the end of 2012 of 2
billion barrels of oil equivalent in North America, Europe and Africa. For
more information, please visit our website at http://www.MarathonOil.com.

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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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