EXHIBIT 32.1 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 Arabian American Development Company (the "Company") on Form 10-Q for the quarter ended June 30, 2004, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I Hatem El-Khalidi, President and 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 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/ HATEM EL-KHALIDI - ---------------------- Hatem El-Khalidi President and Chief Executive Officer August 13, 2004