Certicom's Leading Security Technologies Protect Consumers Confidential Tax Returns

HAYWARD, Calif., March 29, 2001 - Certicom (Nasdaq: CERT; CIC: TSE), a leading provider of mobile e-business security, today announced that tax preparation software such as Kiplinger TaxCut from H&R Block is utilizing Certicom's leading Elliptic Curve Cryptography (ECC) and SSL Plus™ 3.0 encryption technologies. Certicom's high-powered security technology provides software users maximum assurance that their confidential tax returns will be transmitted securely over the Internet when filing electronically. "As today's consumer is using the Internet to accomplish every task imaginable, new forms of information are moving over open networks and the Internet at an unprecedented rate,"" said Richard Depew, executive vice president of Certicom. "Certicom's SSL and ECC technologies are enabling online applications like H&R Block's TaxCut, with reliable security advantages that make highly confidential transmissions over the Internet possible." Certicom's solutions enhance the security infrastructure of software by providing built-in, high performance encryption. Certicom's SSL Plus toolkit is used by leading companies such as Agilent, BEA Systems, Citrix, Juno, Nortel, Oracle, and Sybase to build security into a wide range of applications and products for the Internet, intranets, and corporate networks, from traditional Web browsers and servers to home banking products, handheld devices, and legacy mainframes. Security Builder® is a cryptographic toolkit enabling developers to add signatures, key management, and encryption into any application. By incorporating ECC technology, Security Builder enables strong, scaleable security for every piece of the computing infrastructure.

About TaxCut
Ranked as the #1 tax software in 1999 by Money magazine, PC Magazine, PC World, MacWorld, and more, TaxCut continues to give consumers the top-performing software they've come to rely on.

About Certicom
Certicom is a leading provider of information security software and services, specializing in solutions for mobile e-business. The company's products and services are specifically designed to address the challenges imposed by a wireless data environment. Certicom's solutions incorporate its efficient encryption technology and are based on industry standards for information security that utilize public key cryptography. Certicom's products are currently licensed to more than 150 customers including ePocrates, Inc., Motorola, Inc., NeoPoint, Inc., Nortel Networks, Openwave Systems, Palm, Inc., Pixo, Inc., QUALCOMM, Inc., Research In Motion Ltd. and Sony International (Europe) GmbH. Certicom's headquarters and worldwide sales and marketing operations are based in the Silicon Valley in Hayward. For more information, visit Certicom's Web site at http://www.certicom.com.

Certicom is a trademark 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 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 current Annual Report on Form 10-K.

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