Exhibit 24 EXXON MOBIL CORPORATION POWER OF ATTORNEY Each person whose signature appears below hereby constitutes and appoints Brian A. Maher, Lucille J. Cavanaugh, Richard E. Gutman and Paul A. Hanson, and each of them, with full power to act without the other, his or her true and lawful attorneys-in-fact and agents, with full power of substitution and resubstitution, for him or her and in his or her own name, place and stead, in any and all capacities to sign a Registration Statement on Form S-8 relating to the issuance of the registrant's common stock under its 1993 Incentive Program and any and all amendments (including post-effective amendments and other amendments thereto) to such Registration Statement and to file the same, with all exhibits thereto and other documents in connection therewith, with the Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, and each of them, full power and authority to do and perform each and every act and thing as he or she could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or their or his or her substitute or substitutes, may lawfully do or cause to be done by virtue hereof. Signature Title Date _________ _____ ____ /s/ Lee R. Raymond Chairman of the Board November 1, 2002 ___________________________ Lee R. Raymond /s/ Michael J. Boskin Director November 1, 2002 ___________________________ Michael J. Boskin /s/ William T. Esrey Director November 1, 2002 ___________________________ William T. Esrey /s/ Donald V. Fites Director November 1, 2002 ___________________________ Donald V. Fites /s/ James R. Houghton Director November 1, 2002 ___________________________ James R. Houghton /s/ William R. Howell Director November 1, 2002 ___________________________ William R. Howell Signature Title Date _________ _____ ____ /s/ Helene L. Kaplan Director November 1, 2002 ____________________________ Helene L. Kaplan /s/ Reatha Clark King Director November 1, 2002 ___________________________ Reatha Clark King /s/ Philip E. Lippincott Director November 1, 2002 ___________________________ Philip E. Lippincott /s/ Harry J. Longwell Director November 1, 2002 ___________________________ Harry J. Longwell /s/ Henry A. McKinnell, Jr. Director November 1, 2002 ___________________________ Henry A. McKinnell, Jr. /s/ Marilyn Carlson Nelson Director November 1, 2002 ___________________________ Marilyn Carlson Nelson /s/ Walter V. Shipley Director November 1, 2002 ___________________________ Walter V. Shipley /s/ Frank A. Risch Treasurer November 1, 2002 ___________________________ (Principal Financial Officer) Frank A. Risch /s/ Donald D. Humphreys Controller November 1, 2002 ___________________________ (Principal Accounting Officer) Donald D. Humphreys