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 of Peoples Ohio Financial Corporation (the "Company") on Form 10 -Q for the period ending September 30, 2002 as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I Ronald B. Scott, Chief Executive Officer of the Company, certify, pursuant to 18 U. S. C. Section 1350, as adopted pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, that: 1. The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities and 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/ Ronald B. Scott --------------------------------------- Ronald B. Scott Chief Executive Officer November 7, 2002