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 accompanying Quarterly Report of Commercial Metals
Company (the "Company") on Form 10-Q for the period ended May 31, 2003, (the
"Report"), I, Stanley A. Rabin, Chairman of the Board, 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 to my
knowledge:

         (1) The Report fully complies with the requirements of Section 13(a) or
15(d) of the Securities Exchange Act of 1934, as amended; 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/ Stanley A. Rabin
- ------------------------------------
Stanley A. Rabin
Chairman of the Board, President
and Chief Executive Officer


Dated: July 15, 2003