EXHIBIT 32.2

CERTIFICATION PURSUANT TO

SECTION 906 OF THE SARBANES-OXLEY ACT OF 2002

(18 U.S.C. SECTION 1350)

In connection with the Quarterly Report of Intergraph Corporation (the "Company") on Form 10-Q for the quarter ended September 30, 2003, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Larry J. Laster, Executive Vice President and Chief Financial Officer of the Company, certify, pursuant to § 906 of the Sarbanes-Oxley Act of 2002 (18 U.S.C. Section 1350), 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.

                                                                                                          By: /s/ Larry J. Laster
                                                                                                          Name: Larry J. Laster
                                                                                                          Title: Executive Vice President and Chief Financial Officer
                                                                                                          Date: November 13, 2003