POWER OF ATTORNEY

         Know all by these presents, that the undersigned hereby constitutes
and appoints Ann O. Baskins and Charles N. Charnas, and each of them, signing
singly, his or her true and lawful attorney-in-fact to:

         (1)      execute for and on behalf of the undersigned, in the
                  undersigned's capacity as a director of Hewlett-Packard
                  Company ("HP"), Forms 3, 4 and 5 in accordance with Section
                  16(a) of the Securities Exchange Act of 1934, as amended (the
                  "Exchange Act"), and the rules thereunder;

         (2)      do and perform any and all acts for and on behalf of the
                  undersigned which may be necessary or desirable to complete
                  the execution of any such Form 3, Form 4 or Form 5 and the
                  timely filing of such form with the United States Securities
                  and Exchange Commission and any stock exchange or similar
                  authority; and

         (3)      take any other action of any type whatsoever in connection
                  with the foregoing which, in the opinion of such
                  attorney-in-fact, may be of benefit to, in the best interest
                  of, or legally required by, the undersigned, it being
                  understood that the documents executed by such
                  attorney-in-fact on behalf of the undersigned, pursuant to
                  this Power of Attorney shall be in such form and shall
                  contain such terms and conditions as such attorney-in-fact
                  may approve in his or her discretion.

         The undersigned hereby grants to each such attorney-in-fact full power
and authority to do and perform all and every act and thing whatsoever
requisite, necessary, or proper to be done in the exercise of any of the rights
and powers herein granted, as fully to all intents and purposes as such
attorney-in-fact might or could do if personally present, with full power of
substitution or revocation, hereby ratifying and confirming all that such
attorney-in-fact, or his or her substitute or substitutes, shall lawfully do or
cause to be done by virtue of this Power of Attorney and the rights and powers
herein granted. The undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the request of the
undersigned, are not assuming, nor is HP assuming, any of the undersigned's
responsibilities to comply with Section 16 of the Exchange Act.

         This Power of Attorney shall remain in full force and effect until the
undersigned is no longer required to file Forms 3, 4 and 5 with respect to the
undersigned's holdings of and transactions in securities issued by HP, unless
earlier revoked by the undersigned in a signed writing delivered to the
foregoing attorneys-in-fact.

         IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney
to be executed as of this 12th day of July 2004.

                                /s/ Brian Humphries
                                ----------------------------
                                 Brian Humphries