EX-99.15 OTH FIN ST 4 nintyninefifteen.txt CERTIFICATION OF CHIEF EXECUTIVE OFFICER PURSUANT TO 18 U.S.C. SECTION 1350 The undersigned, William C. Weldon, the Chief Executive Officer of Johnson & Johnson, a New Jersey corporation (the "Company"), pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, hereby certifies that: (1)the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended June 29, 2003 (the "Report) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and (2)the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ William C. Weldon William C. Weldon Chief Executive Officer Dated: August 11, 2003 CERTIFICATION OF CHIEF FINANCIAL OFFICER PURSUANT TO 18 U.S.C. SECTION 1350 The undersigned, Robert J. Darretta, the Chief Financial Officer of Johnson & Johnson, a New Jersey corporation (the "Company"), pursuant to 18 U.S.C. 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, hereby certifies that: (1) the Company's Quarterly Report on Form 10-Q for the fiscal quarter ended June 29, 2003 (the "Report) fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and (2) the information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Company. /s/ Robert J. Darretta Robert J. Darretta Chief Financial Officer Dated: August 8, 2003