HOUSTON, June 20, 2013 (GLOBE NEWSWIRE) -- Marathon Oil Corporation (NYSE: MRO) today announced it has published its "Living Our Values 2012 Corporate Social Responsibility (CSR) Report,"which provides information on the Company's non-financial performance and its actions to promote greater economic, social and environmental sustainability. digital-only format at http://www.marathonoil.com/lov2012/ , which allows the Company to expand its reporting. Marathon Oil also has adopted eight corporate-level commitments covering governance, society, environment and the workplace. For each commitment, the report outlines progress made in 2012 and primary activities planned for 2013. "Our commitment to Marathon Oil's CSR principles runs deep throughout our entire Company," said Clarence P. Cazalot Jr., Marathon Oil's chairman, president and CEO. "Importantly, these elements of our business have been integrated into our day-to-day operations and, in this regard, our local operating teams are responsible for implementing programs to fulfill the commitments, including setting measurable goals to drive improvement. We believe this is the best way to have a positive impact in our communities."