Clarence P. Cazalot Jr.
55, President and Chief Executive Officer, Marathon Oil Corporation. Appointed President in March 2000 and CEO in January 2002.

Eileen M. Campbell
48, Vice President,
Human Resources, since October 2000.

Philip G. Behrman
55, Senior Vice President, Worldwide Exploration, since September 2000.

Alard Kaplan
55, Vice President, Major Projects, since December 2003. Previously Director of LNG, Foster Wheeler, 2001–November 2003. Project Manager, Ceiba Field Development, Triton Energy, 1999–2001.

Janet F. Clark

51, Senior Vice President and Chief Financial Officer, since January 2004. Previously Senior Vice President and Chief Financial Officer, Nuevo Energy Company,
2001–December 2003.

Kenneth L. Matheny
58, Vice President, Investor Relations and Public Affairs, since September 2003; Vice President, Investor Relations, January 2002–September 2003. Vice President–Investor Relations, USX Corporation, 2000–January 2002.

Gary R. Heminger
52, Executive Vice President, since July 1, 2005; President, Marathon Petroleum Company LLC, since September 2001; Executive Vice President, Supply, Transportation & Marketing, 2001–August 2001.

James F. Meara
53, Vice President, Taxes, since January 2002; Controller, 2000–January 2002.

Steven B. Hinchman
47, Senior Vice President, Worldwide Production, since September 2003; Senior
Vice President, Production Operations, 2000–September 2003.

Paul C. Reinbolt
50, Vice President, Finance & Treasurer, since January 2002. Comptroller, U.S. Steel, 2000–January 2002.

Jerry Howard
57, Senior Vice President,
Corporate Affairs, since January 2002. Vice President–Taxes, USX Corporation, 1998–January 2002.

Thomas K. Sneed

47, Chief Information Officer, since September 2003. Information Technology Manager, Marathon Ashland Petroleum, LLC, 2002– September 2003. Vice President Information Technology Services, Speedway SuperAmerica LLC, 2000–2002.

William F. Schwind Jr.
61, Vice President, General Counsel & Secretary, since January 2002; General Counsel and Secretary, 1992–January 2002.

Daniel J. Sullenbarger
54, Vice President, Corporate Responsibility, since June 1, 2005; Vice President, Health, Environment & Safety, 2000–May 2005.

Albert G. Adkins
58, Vice President, Accounting, since July 1, 2005; Vice President, Accounting & Controller, January 2002–June 2005. Comptroller, USX Corporation, 2000–December 2001.