X0306 4 2015-02-25 0 0000101778 MARATHON OIL CORP MRO 0001342932 SULT JOHN R C/O MARATHON OIL CORPORATION 5555 SAN FELIPE ST. HOUSTON TX 77056 0 1 0 0 Executive V.P. and CFO Marathon Oil Corporation Common Stock 2015-02-25 4 A 0 25613 0.00 A 63576 D Employee Stock Option (Right to Buy) 29.06 2015-02-25 4 A 0 80844 0.00 A 2016-02-25 2025-02-25 Common Stock 80844 80844 D Restricted stock granted under Marathon Oil Corporation 2012 Incentive Compensation Plan, which vests on February 25, 2018. Vests in cumulative annual installments of 26,948, 26,948 and 26,948 options on February 25, 2016, 2017 and 2018, respectively. Elisa D. Watts, Attorney-in-Fact for John R. Sult 2015-02-27