Marathon Oil CEO and leadership

Lee M. Tillman is president and chief executive officer of Marathon Oil Corporation and a member of the Marathon Oil Corporation Board of Directors. He joined the Company in August 2013. Immediately prior to this, Mr. Tillman served as vice president of Engineering for ExxonMobil Development Company where he was responsible for all global engineering staff engaged in major project concept selection, and front end engineering and design. He began his career in the oil and gas industry at Exxon in 1989 as a research engineer. He has extensive operations management and leadership experience that has included assignments in Jakarta, Indonesia; Aberdeen, Scotland; Stavanger, Norway; Malabo, Equatorial Guinea; Dallas and New Orleans. Mr. Tillman holds a Bachelor of Science degree in chemical engineering with honors from Texas A&M University and a Ph.D. in chemical engineering from Auburn University. He is a board member of the American Petroleum Institute (API), American Exploration & Production Council (AXPC), a member of the University of Houston Energy Advisory Board and the Chemical and Engineering Advisory Councils of Texas A&M University. He is a member of the Society of Petroleum Engineers.

Mr. Whitehead is an Executive Vice President and Chief Financial Officer since August 30, 2013 and Executive Vice President and Chief Financial Officer of EP Energy LLC since May 2012. He was previously Senior Vice President of Strategy and Enterprise Business Development and a member of the Executive Committee of El Paso Corporation from October 2009 to May 2012. He previously served as Senior Vice President and Chief Financial Officer of our predecessor, EP Energy Corporation (a/k/a El Paso Exploration & Production Company), from May 2006 to October 2009. He was the Vice President and Controller of Burlington Resources Inc. from June 2005 to March 2006. From January 2002 to May 2005 he was Senior Vice President and Chief Financial Officer of Burlington Resources Canada. He was a member of the Burlington Resources Executive Committee from 2000 to 2006. From 1984 to 1993, Mr. Whitehead was an independent accountant with Coopers and Lybrand. He is a member of the American Institute of Certified Public Accountants.

Lee M. Tillman is president and chief executive officer of Marathon Oil Corporation and a member of the Marathon Oil Corporation Board of Directors. He joined the Company in August 2013. Immediately prior to this, Mr. Tillman served as vice president of Engineering for ExxonMobil Development Company where he was responsible for all global engineering staff engaged in major project concept selection, and front end engineering and design. He began his career in the oil and gas industry at Exxon in 1989 as a research engineer. He has extensive operations management and leadership experience that has included assignments in Jakarta, Indonesia; Aberdeen, Scotland; Stavanger, Norway; Malabo, Equatorial Guinea; Dallas and New Orleans. Mr. Tillman holds a Bachelor of Science degree in chemical engineering with honors from Texas A&M University and a Ph.D. in chemical engineering from Auburn University. He is a board member of the American Petroleum Institute (API), American Exploration & Production Council (AXPC), a member of the University of Houston Energy Advisory Board and the Chemical and Engineering Advisory Councils of Texas A&M University. He is a member of the Society of Petroleum Engineers.