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 Quarterly Report of Union Tank Car Company (the
"Company") on Form 10-Q for the period ended September 30, 2002, as filed with
the Securities and Exchange Commission on the date hereof (the "Report"), I,
Kenneth P. Fischl, Principal Executive Officer of the Company, do hereby
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.

     In witness whereof, I have executed this certification as of the 13th day
of November, 2002.

                                                /s/ Kenneth P. Fischl
                                                ------------------------------
                                                    Kenneth P. Fischl
                                                    Principal Executive Officer

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