EX-99 5 a4441656ex993.txt EXHIBIT 99.3 RPC, INC. AND SUBSIDIARIES EXHIBIT 99.3 Form 10-Q - Second Quarter Ended June 30, 2003 CERTIFICATION PURSUANT TO 18 U.S.C. SECTION 1350 AS ADOPTED PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 I, Richard A. Hubbell, certify that: The Form 10-Q of RPC, Inc. for the period ended June 30, 2003 fully complies with the requirements of Section 13(a) of the Securities Exchange Act of 1934; and The information contained in such report fairly presents, in all material respects, the financial condition and results of operations of RPC, Inc. for the periods presented. /S/ Richard A. Hubbell -------------------------------------- Richard A. Hubbell President and Chief Executive Officer (Principal Executive Officer) Date: July 25, 2003