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 Annual Report of Intergraph Corporation (the "Company")
on Form 10-K for the period ended December 31, 2002, as filed with the
Securities and Exchange Commission on the date hereof (the "Report"), I, James
F. Taylor, Jr., Chairman of the Board 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/ James F. Taylor, Jr.
---------------------------
James F. Taylor, Jr.
Chairman of the Board and
Chief Executive Officer
March 27, 2003


[A signed original of this written statement required by Section 906 has been
provided to Intergraph Corporation and will be retained by Intergraph
Corporation and furnished to the Securities and Exchange Commission or its staff
upon request.]