EXHIBIT 99.1

                                  CERTIFICATION
                          Accompanying Form 10-K Report
                            of First Industrial, L.P.
            Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002
              (Chapter 63, Title 18 U.S.C. Section 1350(a) and (b))

         Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002 (Chapter 63,
Title 18 U.S.C. Section 1350(a) and (b)), each of the undersigned hereby
certifies, to his knowledge, that the Annual Report on Form 10-K for the period
ended December 31, 2002 of First Industrial, L.P. (the "Company") fully complies
with the requirements of Section 13(a) or Section 15(d) of the Securities
Exchange Act of 1934 and that the information contained in such Report fairly
presents, in all material respects, the financial condition and results of
operations of the Company.

Dated: March 19, 2003                     ___/s/Michael W. Brennan_____
                                          Michael W. Brennan
                                          Chief Executive Officer
                                          First Industrial Realty Trust, Inc.

Dated: March 19, 2003                     ___/s/Michael J. Havala_______
                                          Michael J. Havala
                                          Chief Financial Officer
                                          First Industrial Realty Trust, Inc.