EX-99 6 a4441656ex994.txt EXHIBIT 99.4 EXHIBIT 99.4 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, Ben M. Palmer, 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/ Ben M. Palmer ------------------------------------------ Ben M. Palmer Vice President and Chief Financial Officer (Principal Financial and Accounting Officer) Date: July 25, 2003