EX-99.1 7 d03635exv99w1.txt CERTIFICATION PURSUANT TO SECTION 906 EXHIBIT 99.1 CERTIFICATION PURSUANT TO SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002 In connection with the filing of the Annual Report on Form 10-K for the year ended December 31, 2002, (the "Report") by Arkansas Best Corporation ("Registrant"), each of the undersigned hereby certifies that: The Report fully complies with the requirements of Section 13(a) or 15(d) of the Securities Exchange Act of 1934, as amended, and The information contained in the Report fairly presents, in all material respects, the financial condition and results of operations of the Registrant. ARKANSAS BEST CORPORATION (Registrant) Date: February 26, 2003 /s/ Robert A. Young III ---------------------------------------- Robert A. Young III President & Chief Executive Officer ARKANSAS BEST CORPORATION (Registrant) Date: February 26 , 2003 /s/ David E. Loeffler ---------------------------------------- David E. Loeffler Vice President-Treasurer, Chief Financial Officer and Principal Accounting Officer