Company News: Page (1) of 1 - 10/22/12

Marathon Oil Launches Free App for Mobile Devices

(October 22, 2012)

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 http://www.marathonoil.com.

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

CONTACT: Media Relations Contacts:
Lee Warren713-296-4103
John Porretto713-296-4102

Investor Relations Contacts:
Howard Thill713-296-4140
Chris Phillips713-296-3213

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