EXHIBIT 99.1

                        CERTIFICATION OF PERIODIC REPORT


         Pursuant to Section 906 of the Sarbanes-Oxley Act of 2002, 18 U.S.C.
Section 1350, the undersigned officer of ARI Network Services, Inc. (the
"Company"), hereby certifies that:

         (1)      the Company's Quarterly Report on Form 10-Q for the period
                  ended October 31, 2002 (the "Report") fully complies with the
                  requirements of Section 13(a) or 15(d), as applicable, 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.

Dated:  December 16, 2002


                                       /s/ Brian E. Dearing
                                       ----------------------------------------
                                       Name:  Brian E. Dearing
                                       Title: Chairman, Chief Executive Officer
                                              and President