EXHIBIT 99.1


                                  CERTIFICATION


Each of the undersigned hereby certifies, for the purposes of section 1350 of
chapter 63 of title 18 of the United States Code, as adopted pursuant to Section
906 of the Sarbanes-Oxley Act of 2002, in her capacity as a member of the
Pension Administration Committee, that, to her knowledge, the Annual Report for
the Eaton Savings Plan (the "Plan") on Form 11-K for the period ended December
31, 2002, fully complies with the requirements of Section 15(d) of the
Securities Exchange Act of 1934 and that the information contained in such
report fairly presents, in all material respects, the net assets available for
benefits and changes in net assets available for benefits of the Plan. The Board
of Directors of Eaton Corporation has delegated administration responsibility
for the Plan to the Pension Administration Committee. This certification is
being furnished to the Securities and Exchange Commission as an exhibit to such
Form 11-K.





Date:  June 27, 2003                 By:  /s/ Susan J. Cook
                                          -----------------
                                           Chairperson of the Pension
                                           Administration Committee of
                                           Eaton Corporation and
                                           Vice President - Human Resources
                                           of Eaton Corporation


Date:  June 27, 2003                 By:  /s/ Billie K. Rawot
                                          -------------------
                                          Member of the Pension
                                          Administration Committee of
                                          Eaton Corporation and
                                          Vice President - Controller
                                          of Eaton Corporation