Marathon Oil President and CEO Tillman to Present at Three Investor Conferences in September

Marathon Oil President and CEO Tillman to Present at Three Investor
Conferences in September

HOUSTON, Aug. 28, 2013 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE:
MRO) announced today that President and CEO Lee M. Tillman will present at
three investor conferences in September, and each presentation will be
available via webcast. Details of the events are as follows:

· Sept. 11 - Barclays CEO Energy-Power Conference, 8:25 a.m. EDT

· Sept. 13 - UBS Best of Americas 2013 Conference, 8:20 a.m. BST

· Sept. 18 - UBS Houston Energy Symposium, 2:00 p.m. CDT

Live webcasts of the remarks will be accessible via Marathon Oil's website at
http://www.marathonoil.com. The presentations and associated
question-and-answer sessions will include forward-looking information. Replays
of the presentations will be available and archived on Marathon Oil's website
for 30 days following each event.

Marathon Oil Corporation 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
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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