POWER OF ATTORNEY
KNOW ALL MEN BY THESE PRESENTS:
WHEREAS, ChevronTexaco Corporation, a Delaware corporation (the "Corporation"), contemplates filing with
the Securities and Exchange Commission at Washington, D.C., under the provisions of the Securities Exchange
Act of 1934, as amended, and the regulations promulgated thereunder, an Annual Report on Form 10-K.
WHEREAS, the undersigned is an officer or director, or both, of the Corporation.
N O W, T H E R E F O R E, the undersigned hereby constitutes and appoints LYDIA I. BEEBE, TERRY
MICHAEL KEE, PATRICIA L. TAI, WALKER C. TAYLOR, or any of them, his or her attorneys-in-fact and
agents, with full power of substitution and resubstitution, for such person and in his or her name, place and stead,
in any and all capacities, to sign the aforementioned Annual Report on Form 10-K (and any and all amendments
thereto) 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 full power and authority to
do and perform each and every act and thing requisite and necessary to be done in and about the premises, as
fully as to all intents and purposes he or she might or could do in person, hereby ratifying and confirming all that
said attorneys-in-fact and agents, or their substitutes, may lawfully do and cause to be done by virtue hereof.
IN WITNESS WHEREOF, the undersigned has hereunto set his or her hand this __27th__ day of
/s/ Samuel L. Ginn