CERTICOM ANNOUNCES DATES OF FIRST QUARTER FISCAL 2006 CONFERENCE CALL AND ANNUAL GENERAL MEETING

Mississauga, Ontario (August 30, 2005) – Certicom Corp. (TSX: CIC), the authority for strong, efficient cryptography, today announced it will host a conference call and webcast to discuss its results for the first quarter of fiscal 2006 on September 8, 2005 at 10 a.m. (ET), and will hold its annual general meeting of shareholders on September 22, 2005 at 10 a.m. (ET).

First Quarter Results Conference Call & Webcast 
A news release announcing the company's results for the quarter ended July 31, 2005 will be issued on September 8, 2005 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 1-800-814-4859. 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 September 15, 2005 at midnight. To access the rebroadcast, please dial 416-640-1917 or 1-877-289-8525 and quote the passcode 21134657#.

Annual General Meeting & Webcast 
The annual meeting will start at 10:00 a.m. at the Toronto Stock Exchange Conference Centre Auditorium, located in The Exchange Tower at 130 King Street West in Toronto, Ontario. A live audio webcast of the meeting and accompanying slides will be available on the company's website at www.certicom.com.

Following the formal part of the meeting, there will be a presentation by management and a question and answer session.

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 U.S. 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.

For further information, please contact:

Investors and Analysts Media  
Hervé Séguin Brendan Ziolo  
Chief Financial Officer Director of Marketing  
(905) 501-3827 (613) 254-9267  
hseguin@certicom.com bziolo@certicom.com
Certicom, Certicom Security Architecture, Certicom CodeSign, Security Builder, Security Builder BSP, Security Builder API, Security Builder Crypto, Security Builder IPSec, Security Builder SSL, Security Builder PKI, Security Builder NSE and Security Builder GSE are trademarks or registered trademarks of Certicom Corp. All other companies and products listed herein are trademarks or registered trademarks of their respective holders.
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.