Mississauga, Ontario (June 1, 2004) -- Certicom Corp. (TSX: CIC), the authority for strong, efficient cryptography, today announced it will hold a conference call and webcast on June 10, 2004 at 10 a.m. (ET) to discuss financial results for the fourth quarter and fiscal year ended April 30, 2004. The results will be released prior to the opening of markets on June 10.

The call will be hosted by Ian McKinnon, President and Chief Executive Officer and Hervé Séguin, Chief Financial Officer.

The numbers to call to listen to the teleconference are 416-640-4127 or 1-800-814-3911. Following management’s presentation, there will be a question and answer session for analysts and institutional investors. To access the simultaneous live audio webcast and supporting slides, please visit www.certicom.com. Participants will require Windows Media Player™, which can be downloaded prior to accessing the call.

A taped rebroadcast will be available to listeners following the call until June 17, 2004 at midnight. To access the rebroadcast, please dial 1-877-289-8525 or 416-640-1917 and enter passcode 21052609#.

About Certicom
Certicom Corp. (TSX: CIC) is the authority for strong, efficient cryptography required by software vendors and device manufacturers to embed security in their products. Adopted by the US Government’s National Security Agency (NSA), Certicom technologies for Elliptic Curve Cryptography (ECC) provide the most security per bit of any known public key scheme, making it ideal for constrained environments. Certicom products and services are currently licensed to more than 300 customers including Motorola, Oracle, Research In Motion, Terayon, Texas Instruments and XM Radio. Founded in 1985, Certicom is headquartered in Mississauga, ON, Canada, with offices in Ottawa, ON; Reston, VA; San Mateo, CA; and London, England. Visit www.certicom.com.

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