Marathon Oil Corp. Business Contract

Marathon Oil Corp.

• Change in Control Agreement - USX Corp. (Oct 17, 2009)
• Completion and Retention Agreement - USX Corp., United States Steel Corp., Marathon Oil Corp, Marathon Ashland Petroleum LLC and Thomas J. Usher (Oct 17, 2009)
• Bylaws - Marathon Oil (Aug 08, 2011)
• Transition Services Agreement - USX Corp., Marathon Oil Corp., United States Steel Corp. (Oct 17, 2009)
• Insurance Assistance Agreement - USX Corp., Marathon Oil Corp. and Unitd States Steel Corp. (Oct 17, 2009)
• Debt Securities Underwriting Agreement - Mattel Inc., Credit Suisse First Boston Corp. and Morgan Stanley & Co. Inc. (Oct 17, 2009)