EXHIBIT 24.1 POWER OF ATTORNEY KNOW ALL PERSONS BY THESE PRESENTS, that each person whose signature appears below constitutes and appoints Robert P. Wayman and Ann O. Baskins, and each of them individually, as his true and lawful attorneys-in-fact and agents with full power of substitution and resubstitution, for him and in his name, place and stead, in any and all capacities to sign the Registration Statement on Form S-3 (Registration No. 333-30786) and any or all amendments to said Registration Statement (including post-effective amendments and registration statements filed pursuant to Rule 462(b) under the Securities Act of 1933, as amended, and otherwise), 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 the full power and authority to do and perform each and every act and thing requisite and necessary to be done in and about the foregoing, as full to all intents and purposes as he might or could do in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or any of them, or his or her substitute, may lawfully do or cause to be done by virtue thereof. NAME TITLE DATE ---- ----- ---- /s/ CARLETON S. FIORINA President and Chief Executive -------------------------------------- Officer (Principal Executive February 18, 2000 Carleton S. Fiorina Officer) and Director Executive Vice President /s/ ROBERT P. WAYMAN Finance and Administration and -------------------------------------- Chief Financial Officer February 18, 2000 Robert P. Wayman (Principal Financial Officer) and Director /s/ RAYMOND W. COOKINGHAM -------------------------------------- Vice President and Controller February 18, 2000 Raymond W. Cookingham (Principal Accounting Officer) /s/ PHILIP M. CONDIT -------------------------------------- Director February 14, 2000 Philip M. Condit /s/ PATRICIA C. DUNN -------------------------------------- Director February 21, 2000 Patricia C. Dunn /s/ SAM GINN -------------------------------------- Director February 14, 2000 Sam Ginn /s/ RICHARD A. HACKBORN -------------------------------------- Director February 18, 2000 Richard A. Hackborn /s/ WALTER B. HEWLETT -------------------------------------- Director February 20, 2000 Walter B. Hewlett /s/ DR. GEORGE A. KEYWORTH II -------------------------------------- Director February 18, 2000 Dr. George A. Keyworth II /s/ SUSAN PACKARD ORR -------------------------------------- Director February 18, 2000 Susan Packard Orr