EXHIBIT 24 Power of Attorney KNOW ALL PERSONS BY THESE PRESENTS, that each of the undersigned individuals, in his or her capacity as a director or officer, or both, as hereinafter set forth below their signature, of Becton, Dickinson and Company, a New Jersey corporation, hereby constitutes and appoints John R. Considine, Bridget M. Healy and Gary M. DeFazio, and each of them, his or her true and lawful attorneys-in-fact and agents, with full power of substitution and re-substitution, for him or her and in his or her name, place and stead, in any and all capacities, to sign a registration statement on Form S-3 for the registration under the Securities Act of 1933, as amended, with respect to $750,000,000 aggregate principal amount, which amount shall include any amounts of securities previously registered and carried over, of debt securities, common stock, warrants, purchase contracts and units and any and all amendments (including post-effective amendments) thereto, and to file the same, with all exhibits thereto, and all other documents in connection therewith, with the Securities and Exchange Commission, granting unto each said attorney-in-fact and agent full power and authority to do and perform each and every act in person, hereby ratifying and confirming all that said attorneys-in-fact and agents or either of them or their or his or her substitute or substitutes may lawfully do or cause to be done by virtue hereof. IN WITNESS WHEREOF, the undersigned has subscribed these presents this 25th day of March, 2003. /s/ Edward J. Ludwig - ------------------------------------- Edward J. Ludwig Chairman, President and Chief Executive Officer (Principal Executive Officer) /s/ John R. Considine - ------------------------------------- John R. Considine Executive Vice President and Chief Financial Officer (Principal Financial Officer) /s/ William A. Tozzi - ------------------------------------- William A. Tozzi Vice President and Controller (Principal Accounting Officer) /s/ Harry N. Beaty, M.D. - ------------------------------------- Harry N. Beaty, M.D. Director /s/ Henry P. Becton, Jr. - ------------------------------------- Henry P. Becton, Jr. Director /s/ Frank A. Olson - ------------------------------------- Frank A. Olson Director /s/ James F. Orr - ------------------------------------- James F. Orr Director /s/ Willard J. Overlock, Jr. - ------------------------------------- Willard J. Overlock, Jr. Director /s/ James E. Perrella - ------------------------------------- James E. Perrella Director /s/ Bertram L. Scott - ------------------------------------- Bertram L. Scott Director /s/ Alfred Sommer - ------------------------------------- Alfred Sommer Director /s/ Margaretha af Ugglas - ------------------------------------- Margaretha af Ugglas Director 2