Exhibit 99.8 Consulting Agreement with Dr. Tet Yeap RELEASE THIS RELEASE AGREEMENT (the "Agreement") is entered into as of this July 20th, 2004, between Dr. Tet Yeap an individual residing in the province of Ontario (herein referred to as "the Consultant") and Liska Biometry, Inc. (herein referred to as "the Company"). WHEREAS, The undersigned Consultant, having performed services related to: >> Acting as advisor to the Company with respect to providing consultation on research and development NOW, THEREFORE which said services were rendered on or before July 20th, 2004 which the Company has valued at $2,000, has agreed to accept and hereby accepts 2,000 fully vested Common shares in the capital stock of the Company in full satisfaction of all claims in relation to the said services, and hereby releases the Company, its officers, directors, agents and employees from all claims in connection with the said services. CONSULTANT COMPANY Dr. Tet Yeap Liska Biometry, Inc. - ----------------------------- ----------------------------- By: By: 14