Petroleum Refining Business Contracts

Conoco Inc.

• Restructuring, Transfer and Separation Agreement - Conoco Inc. and E I du Pont de Nemours Co. (Oct 18, 2009)
• Tax Sharing Agreement - E I du Pont de Nemours & Co. and Conoco Inc. (Oct 18, 2009)
• 1998 Global Performance Sharing Plan - Conoco Inc. (Oct 18, 2009)
• Key Employee Temporary Severance Plan (Oct 18, 2009)
• Key Employee Severance Plan (Oct 18, 2009)
• Rabbi Trust Agreement - Conoco Inc. and U.S. Trust Co., N.A. (Oct 18, 2009)
• Retirement Restoration Plan II - Conoco Inc. (Oct 18, 2009)
• Retirement Restoration Plan I - Conoco Inc. (Oct 18, 2009)
• Employment Agreement - E I du Pont de Nemours & Co., Conoco Inc. and C. S. Nicandros (Oct 18, 2009)
• Directors' Charitable Gift Plan - Conoco Inc. (Oct 18, 2009)

Exxon Mobil Corp.

• Certificate of Incorporation - Exxon Mobil Corp. (Oct 18, 2009)
• Executive Life Insurance and Death Benefit Plan - Exxon Mobil Corp. (Mar 20, 2012)
• Stock Option - Granted to Executive Officers - Exxon Mobil Corp. (Mar 20, 2012)
• Restricted Stock Unit Agreement - Extended Provisions - Exxon Mobil Corp. (Mar 20, 2012)
• Agreement and Plan of Merger - Mobil Corp. and Exxon Corp. (Oct 18, 2009)
• Opinion Letter - Outside Counsel - S-4 Registered Securities - Exxon Mobil Corp. (Mar 20, 2012)
• 2001 Nonemployee Directors' Deferred Compensation Plan - Exxon Mobil Corp. (Oct 18, 2009)

Marathon Oil Corp.

• Bylaws - Marathon Oil (Aug 09, 2011)
• Transition Services Agreement - USX Corp., Marathon Oil Corp., United States Steel Corp. (Oct 18, 2009)
• Insurance Assistance Agreement - USX Corp., Marathon Oil Corp. and Unitd States Steel Corp. (Oct 18, 2009)
• Change in Control Agreement - USX Corp. (Oct 18, 2009)
• Completion and Retention Agreement - USX Corp., United States Steel Corp., Marathon Oil Corp, Marathon Ashland Petroleum LLC and Thomas J. Usher (Oct 18, 2009)
• Debt Securities Underwriting Agreement - Mattel Inc., Credit Suisse First Boston Corp. and Morgan Stanley & Co. Inc. (Oct 18, 2009)

Murphy Oil Corp.

• Indenture - Murphy Oil Corp. (Feb 15, 2012)
• Asset Purchase Agreement - Murphy Oil Corp. and Calumet Specialty Products Partners, L.P. (Feb 15, 2012)
• Distribution Agreement - Murphy Oil Corp. and Deltic Timber Corp. (Oct 18, 2009)
• Tax Sharing Agreement - Murphy Oil Corp. and Deltic Timber Corp. (Oct 18, 2009)
• Stock Incentive Plan - Murphy Oil Corp. (Feb 15, 2012)
• Stock Option - Murphy Oil Corp. (Feb 15, 2012)

Shell Oil Co.

• Purchase and Sale Agreement - Amoco D.T. Co., Amoco X.T. Co, Amoco Y.T. Co, SWEPI LP, Shell Land & Energy Co, Shell Onshore Ventures Inc., Shell K2 Inc., Shell Everest Inc. and Occidental Petroleum Corp. (Oct 18, 2009)

USX Corp.

• Fairfield Works (Fairfield, AL) Sublease and Assignment - USX Holdco Inc. and United States Steel LLC (Oct 18, 2009)
• Transition Services Agreement - USX Corp., Marathon Oil Corp., United States Steel Corp. (Oct 18, 2009)
• Insurance Assistance Agreement - USX Corp., Marathon Oil Corp. and Unitd States Steel Corp. (Oct 18, 2009)
• Change in Control Agreement - USX Corp. (Oct 18, 2009)
• Completion and Retention Agreement - USX Corp., United States Steel Corp., Marathon Oil Corp, Marathon Ashland Petroleum LLC and Thomas J. Usher (Oct 18, 2009)