EXHIBIT 99.1


                            CERTIFICATION PURSUANT TO
                             18 U.S.C. SECTION 1350,
                             AS ADOPTED PURSUANT TO
                  SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

In connection with the Quarterly Report on Form 10-Q of PolyOne Corporation (the
"Company") for the period ending June 30, 2002 as filed with the Securities and
Exchange Commission on the date hereof (the "Report"), I, Thomas A. Waltermire,
Chairman of the Board, President and Chief Executive Officer of the Company, do
hereby certify, pursuant to 18 U.S.C. Section 1350, as adopted pursuant to
Section 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 result of
                  operations of the Company.





/s/ Thomas A. Waltermire

Thomas A. Waltermire
Chairman of the Board, President and Chief Executive Officer
August 8, 2002