Board of Directors and Company O ffi cers (As of Feb. 24, 2015) Board of Directors 1) Member of the Audit and Finance Committee 2) Member of the Executive Committee 3) Member of the Human Resources and  Compensation Committee 5) Member of the Public Policy Committee 4) Member of the Directors’ A ff airs Committee Harald J. Norvik  (2, 3, 5) Former Chairman, President and Chief Executive O ffi cer, Statoil William E. Wade, Jr.  (3, 4) Former President, Atlantic Rich fi eld Company Jody Freeman  (3, 5) Archibald Cox Professor of Law, Harvard Law School Gay Huey Evans  (1) Deputy Chairman, The Financial Reporting Council and Non-Executive Director, Aviva plc and Bank Itau BBA International Limited Ryan M. Lance  (2) Chairman and Chief Executive O ffi cer, ConocoPhillips Arjun N. Murti  (1) Former Partner,  Goldman Sachs Robert A. Niblock  (2, 3, 4) Chairman, President and Chief Executive O ffi cer, Lowe’s Companies, Inc. John V. Faraci  (1) Former Chairman and Chief Executive O ffi cer, International Paper Company James E. Copeland, Jr.  (1, 2) Former Chief Executive O ffi cer, Deloitte & Touche and Deloitte Touche Tohmatsu Charles E. Bunch  (1) Chairman and Chief Executive O ffi cer, PPG Industries, Inc. Richard H. Auchinleck  (2, 3, 4) Former President and Chief Executive O ffi cer, Gulf Canada Resources Limited Richard L. Armitage  (4, 5) President, Armitage International LLC, Former U.S. Deputy Secretary of State