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                             [LOGO CANADA NEWSWIRE]
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CERTICOM CORP.

CANADIAN QUOTES FROM TELENIUM                                   [CERTICOM LOGO]
CIC (TSE)
OTHER SYMBOLS
CERT (NASDAQ)

     ATTENTION BUSINESS EDITORS:
     CERTICOM CORP. COMPLETES PUBLIC OFFERING

     HAYWARD, CA, May 4 /CNW/ -- Certicom Corp. (Nasdaq/NM: CERT and TSE: CIC)
announced that it has completed its previously announced public offering of
1,250,000 common shares in the United States and Canada priced at US$ 46.30 per
share. The company began trading on the Nasdaq National Market on Tuesday, May
2, 2000 under the symbol CERT.

     The proceeds of the offering were US $57,875,000 and will be used for the
expansion of Certicom's sales and marketing activities, the development and
enhancement of the company's products and services, working capital and general
corporate purposes.

     Certicom is an encryption technology company specializing in security
solutions for mobile computing and wireless data markets, including m-commerce.
Certicom's OEM customers incorporate its patented technology into their
applications for handheld computers, mobile phones, two-way pagers and other
Internet information appliances.

     Except for historical information contained herein, this press 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 (mobile
e-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 principle 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 third 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 Securities and Exchange Commission and Canadian
securities regulatory authorities including Certicom's Registration Statement on
Form F-10.
%SEDAR: 00003865E


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     For further information: please contact: Rich Brounstein, Chief Financial
     Officer, Certicom Corp., (510) 780-5325; Lillian Armstrong/Kris Otridge,
     Lippert/Heilshorn & Associates, (415) 433-3777; Lorraine Kauffman, Public
     Relations, Certicom Corp., (510) 780-5417, lkauffman@certicom.com