Mississauga, ON, Canada and Madrid, Spain - November 8, 2004 – Certicom Corp. (TSX: CIC), the authority for strong, efficient cryptography, today announced that it has licensed its Security Builder® IPSec™ toolkit to Ireland-based Worldnet21 to build its own IPSec-compliant virtual private network (VPN) client: AnthaVPN, a Secured by Certicom product. Security Builder IPSec was introduced by Certicom in September this year to enable developers to easily embed standards-based VPN access into applications and constrained wireless devices.

The agreement enables Worldnet21 to significantly reduce the time-to-market of its own VPN product, as well as to ensure high competitiveness through a complete solution provided by Security Builder IPSec. As part of this agreement, Worldnet21 will also continue to supply and support current versions of movianVPN™ until the release of AnthaVPN.

Security Builder IPSec provides the new AnthaVPN product with high levels of functionality through a wide support for platforms and VPN gateways. It also features the smallest code size, offering developers efficient security and better performance than traditional IPSec implementations. The Certicom toolkit was developed as a response to market demand for robust, transparent security embedded directly into the device. Certicom migrated its movianVPN product from an end-user application to Security Builder IPSec to enable developers to quickly integrate core IPSec functionality into VPN applications or devices.

A specialist in Internet and security products and services, Worldnet21 is a longtime Certicom partner. Part of the Antha Soft family, which also includes content management, secure FTP, directory management tools and anti-spam products, AnthaVPN is designed for wireless devices such as PDAs.

“ Worldnet has a very long relationship with Certicom, providing security and Internet products to our worldwide customer base,” said Jose Ramon Alberola, CEO of Worldnet21. “We are delighted to be able to use Security Builder IPSec to bring the new AnthaVPN to market in a very short timeframe for January 2005, and thereby to offer a strong VPN product that’s secured by Certicom to our current customers and new customers looking for a leading VPN client which uses Certicom technology at its core.”

“Certicom has been in the VPN marketplace since 2000. During that time, we have established a large number of industry relationships and experience around the security needs and pressures faced by device manufacturers, enterprises and end users when building VPN solutions,” said Roy Pereira, Vice President of Marketing and Product Management of Certicom. “We are delighted to have WorldNet21 license Certicom’s Security Builder IPSec for the development of AnthaVPN. This is proof of our expertise in the VPN security arena, as well as of our ability to assist our partners in building strong and feature-rich security solutions to dramatically increase the levels of differentiation for AnthaVPN.”

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 GSE, Security Builder IPSec, Security Builder Middleware,Security Builder PKI, Security Builder SSL, 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.

Forward-Looking Statements
Except for historical information contained herein, this news release contains forward-looking statements that involve risks and uncertainties. Actual results may differ materially. Factors that might cause a difference include, but are not limited to, those relating to the acceptance of mobile and wireless devices and the continued growth of e-commerce and m-commerce, the increase of the demand for mutual authentication in m-commerce transactions, the acceptance of Elliptic Curve Cryptography (ECC) technology as an industry standard, the market acceptance of our principal products and sales of our customer's products, the impact of competitive products and technologies, the possibility of our products infringing patents and other intellectual property of fourth parties, and costs of product development. Certicom will not update these forward-looking statements to reflect events or circumstances after the date hereof. More detailed information about potential factors that could affect Certicom's financial results is included in the documents Certicom files from time to time with the Canadian securities regulatory authorities.

The shares of the company described above have been offered only to qualified institutional buyers in reliance on Rule 144A under the Securities Act of 1933, as amended (the "Securities Act"), and outside the United States pursuant to Regulation S of the Securities Act. The shares have not been registered under the Securities Act and may not be offered or sold in the United States or to a U.S. Person absent registration or an applicable exemption from registration requirements.

This press release does not constitute an offer to sell or the solicitation of an offer to buy any security and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offering would be unlawful.

For further information, please contact:

For Certicom    
Miina Salminen Brendan Ziolo  
TKO Marketing Consultants
Certicom Corp.  
+44 (0)1444 473 555 (613) 254-9267