EXHIBIT 32.1

                WRITTEN STATEMENT OF THE CHIEF EXECUTIVE OFFICER
                 CERTIFICATION PURSUANT TO 18 U.S.C SECTION 1350

In connection with Catuity, Inc. (the "Company") Annual Report on Form 10-K for
the year ended December 31, 2003 as filed with the Securities and Exchange
Commission on the date hereof (the "Report"), I, Michael V. Howe, certify
pursuant to 18 U.S.C. Section 1350, as adopted pursuant to section 906 of the
Sarbanes-Oxley Act of 2002, that to the best of my knowledge:

(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.

Date: March 5, 2004

                                     /s/ Michael V. Howe
                                     -------------------
                                     Michael V. Howe
                                     President and Chief Executive Officer


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