EX-99 14 c74996exv99.txt EX-99 CERTIFICATIONS PURSUANT TO SECTION 906 EXHIBIT 99 CERTIFICATIONS PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 Certification of Principal Executive Officer In connection with the Annual Report of UnitedHealth Group Incorporated (the "Company") on Form 10-K for the year ended December 31, 2002 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, William W. McGuire, M.D., Chairman and Chief Executive Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge: (1) The Report fully complies with the requirements of Section 13(a) or 15(d) 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 W. McGuire, M.D. ------------------------------------ William W. McGuire, M.D. Chairman and Chief Executive Officer March 19, 2003 Certification of Principal Financial Officer In connection with the Annual Report of UnitedHealth Group Incorporated (the "Company") on Form 10-K for the year ended December 31, 2002 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Patrick J. Erlandson, Chief Financial Officer of the Company, certify, pursuant to 18 U.S.C. ss. 1350, as adopted pursuant to ss. 906 of the Sarbanes-Oxley Act of 2002, that to my knowledge: (1) The Report fully complies with the requirements of Section 13(a) or 15(d) 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/ Patrick J. Erlandson ------------------------------------ Patrick J. Erlandson Chief Financial Officer March 19, 2003