Exhibit 99.1

                         CERTIFICATION UNDER SECTION 906
                        OF THE SARBANES-OXLEY ACT OF 2002

Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, the undersigned
certifies that this periodic report fully complies with the requirements of
Section 13(a) or 15(d) of the Securities Exchange Act of 1934 and that
information contained in this periodic report fairly presents, in all material
respects, the financial condition and results of operations of L. B. Foster
Company.


                                                     /s/Stan L. Hasselbusch
                                                     Stan L. Hasselbusch
                                                     President and
                                                     Chief Executive Officer
                                                     May 13, 2003