Exhibit
24.2
POWER OF ATTORNEY
WHEREAS, Chevron Funding Corporation, a Delaware corporation (the “Corporation”), contemplates
filing with the Securities and Exchange Commission in Washington, D.C., under the provisions of the
Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration
Statement on Form S-3 (and any and all amendments thereto, including post-effective amendments);
WHEREAS, the undersigned is an officer or director, or both, of the Corporation;
NOW, THEREFORE, the undersigned hereby constitutes and appoints LYDIA I. BEEBE.
CHRISTOPHER A. BUTNER. KARI H. ENDRIES. and PATRICIA L TAI. 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 Registration Statement (and any and all amendments thereto, including post-effective
amendments) 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
19 day of February, 2010.
POWER OF ATTORNEY
WHEREAS, Chevron Funding Corporation, a Delaware corporation (the “Corporation”), contemplates
filing with the Securities and Exchange Commission in Washington, D.C., under the provisions of the
Securities Act of 1933, as amended, and the regulations promulgated thereunder, a Registration
Statement on Form S-3 (and any and all amendments thereto, including post-effective amendments);
WHEREAS, the undersigned is an officer or director, or both, of the Corporation;
NOW, THEREFORE, the undersigned hereby constitutes and appoints LYDIA I. BEEBE,
CHRISTOPHER A. BUTNER, KARI H. ENDRIES, and PATRICIA L TAI, 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 Registration Statement (and any and all amendments thereto, including post-effective
amendments) 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
19 day of February, 2010.
