Mississauga, Ontario (November 29, 2004) --- Certicom Corp. (TSX: CIC), the authority for strong, efficient cryptography, today announced it will hold a conference call and webcast on December 9, 2004 at 10 a.m. (ET) to discuss the company’s financial results for the second quarter of fiscal 2005 ended October 31, 2004.

A press release announcing the company’s results for the second quarter of fiscal 2005 will be issued on December 9, 2004 at approximately 7 a.m. (ET).

The call will be hosted by Ian McKinnon, President and Chief Executive Officer and Hervé Séguin, Chief Financial Officer. Following the call, there will be a question and answer session with analysts and investors.

The numbers to call to listen to the teleconference are 416-640-4127 or 1-800-814-3911. 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 December 16, 2004 at midnight. To access the rebroadcast, please dial 1-877-289-8525 or 416-640-1917 and quote the passcode 21102909#.

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 Unisys. 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.

Certicom, Security Builder, Security Builder Crypto, Security Builder SSL, Security Builder PKI, Security Builder GSE, movianVPN, movianCrypt and movianMail are trademarks or registered trademarks of Certicom Corp. All other companies and products listed herein are trademarks or registered trademarks of their respective holders.

For further information, please contact:

John Vincic Brendan Ziolo  
The Barnes Organization Certicom Corp.  
416) 367-5000 (613) 254-9267  
jvincic@barnesir.com bziolo@certicom.com