Exhibit 99.1 CERTIFICATIONS 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 Tribeworks, Inc. (the "Company") on Form 10-QSB for the period ending March 31, 2003, as filed with the Securities and Exchange Commission on the date hereof (the "Report"), I, Duncan Kennedy, 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) of the Securities and 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. May 15, 2003 /s/ DUNCAN J. KENNEDY _______________________ By: Duncan Kennedy Chief Executive Officer -16-