Chad Deaton Elected to Marathon Oil Corporation Board of Directors

Chad Deaton Elected to Marathon Oil Corporation Board of Directors

HOUSTON, Nov. 4, 2013 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE: MRO)
announced today that Chad Deaton has been elected to the Company's board of
directors, effective Jan. 1, 2014.

Deaton, 60, previously served as executive chairman of the board of Baker
Hughes Incorporated from January 2012 until his retirement on April 25, 2013.
Prior to that, he served as chairman, president and CEO of the Company from
2004 until January 2012.

"Marathon Oil is very pleased to welcome Chad Deaton to our Company's board of
directors," said Clarence P. Cazalot Jr., Marathon Oil executive chairman.
"Chad's depth of experience and knowledge of the oil and gas industry, his
demonstrated leadership and his keen awareness of the key drivers of success
in our industry make him an outstanding addition to the Marathon Oil board."

Before joining Baker Hughes in 2004, Deaton was president and chief executive
officer of Hanover Compressor Company from 2002 through October 2004.He was a
senior advisor to Schlumberger Oilfield Services from 1999 to September 2001
and was an executive vice president of that company from 1998 to 1999.

Deaton currently serves on the boards of ArielCorporation, a privately held
manufacturer of gas compressor equipment; Air Products and Chemicals Inc., a
supplier of gases and equipment, specialty and intermediate chemicals, and
environmental and energy systems; and Transocean Ltd.

He is a director of Junior Achievement of Southeast Texas and Houston
Achievement Place, and he is a member of the Society of Petroleum Engineers
Industry Advisory Council.Deaton also serves on the board of the University
of Wyoming Foundation and the Wyoming Governor's Engineering Task Force. He
earned a Bachelor of Science degree in Geology from the University of Wyoming.

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 at
http://www.marathonoil.com.

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