Exhibit 99.2 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, Eric R. Graef, Vice President-Finance and Treasurer, of Preformed Line Products (the "Company"), certify, pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 1) The Quarterly Report on Form 10-Q of the Company for the period ended September 30, 2002 which this certification accompanies 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. November 7, 2002 /s / Eric R. Graef ------------------ Eric R. Graef Vice President - Finance and Treasurer (Principal Accounting Officer)