OREANDA-NEWS. May 21, 2012. Marathon Oil Corporation (NYSE: MRO) announced today that Janet F. Clark, Marathon Oil executive vice president and chief financial officer, will present at the UBS Global Oil and Gas Conference in Austin on Thursday, May 24 at 8:40 a.m. CDT.

A live audiocast of the remarks will be accessible via Marathon Oil's website at http://www.marathonoil.com. This presentation and associated question-and-answer session may include forward-looking information. A replay of the presentation will be available and archived on Marathon Oil's website until June 7, 2012.

Marathon Oil Corporation is an independent international energy 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.