Marathon Oil Launches Free App for Mobile Devices

Marathon Oil Launches Free App for Mobile Devices

HOUSTON, Oct. 22, 2012 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE:
MRO) announced today the release of its investor relations and public affairs
app for iPhone, iPad and Android mobile devices.

The Marathon Oil app allows users to receive the Company's corporate news
releases, SEC filings, stock price, documents and audio webcasts related to
quarterly earnings, as well as other investor presentations, videos and
publications. Sharing functionality via email, Twitter and Facebook is
available as well as the ability for users to be notified when new information
is posted. Additionally, the app provides quick links to the Company's Twitter
and StockTwits streams, as well as LinkedIn.

"Recognizing the growing importance of mobile technology, Marathon Oil
launched this application to help ensure that interested audiences - including
investors, analysts, media and other stakeholders - have the ability to access
our corporate news and stock information in ways that are convenient to the
user," said Howard Thill, Marathon Oil vice president of Investor Relations
and Public Affairs.

The Marathon Oil app is available for free on Apple's App Store for the iPhone
and iPad and on Google Play for Android mobile devices.

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. For
more information, please visit the Company's website at

Apple Inc. claims the trademarks iPhone, iPad and App Store. Google, Inc.
claims the trademarks Android and Google Play.

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
Press spacebar to pause and continue. Press esc to stop.