United States Steel Corp. Business Contract

United States Steel 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)
• By-laws - United States Steel Corp. (Oct 17, 2009)
• Fairfield Works (Fairfield, AL) Sublease and Assignment - USX Holdco Inc. and United States Steel LLC (Oct 17, 2009)
• 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)