NW_20000425_en_VASCO Joins Wireless Application Protocol (WAP) Forum

April 25, 2000

OAKBROOK TERRACE, Illinois, and BRUSSELS, Belgium, April 25, 2000 - VASCO Data Security International, Inc. (NASDAQ: VDSI; EASDAQ: VDSI; www.vasco.com), a leading, global provider of Internet and enterprise-wide security solutions, announced today that it has joined the Wireless Application Protocol (WAP) Forum. The WAP Forum (www.wapforum.org) is an industry association that is responsible for developing WAP technology -- the de facto worldwide standard for enhancing connectivity through wireless information and telephony services on digital mobile phones and other wireless devices. As an Associate Member of the WAP Forum, VASCO will advise the forum on security issues based on the company's worldwide experience with secure connectivity through public networks such as the Internet. VASCO will also actively incorporate the Wireless Application Protocol into the Company's own security products.

"The WAP Forum provides an infrastructure that is enabling and energizing wireless connectivity around the world, and VASCO provides years of experience providing business-driven security to millions of users," said Mario Houthooft, President and Chief Executive Officer for VASCO. "We expect our membership in the forum to provide significant benefits for our customers as well as for anyone using the WAP standard who wishes to incorporate our leading security technology."

VASCO's security solutions include strong authentication of users, web portal and application security, access control, PKI and LDAP enablement, secure Single Sign-On, and centralized user administration. With hundreds of customers and millions of end-users of its solutions worldwide, VASCO brings a strong security voice to the forum. The company believes that just as the WAP standard is enabling mobile commerce worldwide, flexible and transparent security will be critical to protect sensitive information and transactions being conducted in wireless mode.

"Thanks to the support of VASCO and the more than 400 members of WAP Forum, our organization is making great strides in establishing WAP as the industry's global, unified standard for wireless Internet technology," said Scott Goldman, CEO of WAP Forum.

VASCO helps organizations rapidly and effectively secure their e-business and e-commerce applications and services. The company's family of Digipass™, VACMAN®, and SnareWorks™ products offers end-to-end security through true Single Sign-On, PKI, web security, strong user authentication, access control, user administration and encryption solutions that also sharply reduce the time and effort required to deploy and manage them. With hundreds of financial institutions, blue-chip corporations, and government agencies as customers in more than 50 countries, VASCO Data Security is a global leader in security solutions that support the Internet economy. More information is available at www.vasco.com and www.isoft.com.

About WAP Forum
The WAP Forum is the industry association that is responsible for developing and fostering the growth of the Wireless Application Protocol (WAP) -- an open, global standard that allows mobile users of wireless hand-held devices to easily and instantly access and interact with the Internet. The Forum is comprised of more than 400 members, including worldwide handset manufacturers, carriers, infrastructure providers, software developers and other wireless solution providers. For more information about WAP Forum, including a current listing of its members, visit www.wapforum.org.

Forward Looking Statements
Statements made in this news release that relate to future plans, events or performances are forward-looking statements. Any statement containing words such as "believes," "anticipates," "plans," "expects," and similar words, is forward-looking, and these statements involve risks and uncertainties and are based on current expectations. Consequently, actual results could differ materially from the expectations expressed in these forward-looking statements.

Reference is made to the Company's public filings with the US Securities and Exchange Commission for further information regarding the company and its operations.

For more information please contact:

Media: Kerry Roche, Bridgeman Communications, +1 617 742 7270, [email protected]
Investor Relations: Todd Fromer, KCSA Public Relations Worldwide, +1 212 682 6300, [email protected]
VASCO: Mike Lange, +1 630 932 8844, [email protected]

Media (Benelux): Bob Pieters, Anthonissen & Associates, +32 3 286 7777, [email protected]be
Media (Europe/Asia): Sven Kersten, HBI, +49 89 99 38 87 33, [email protected]
Investor Relations: Annemieke Blondeel, LBConsult, +44 208 308 7080, [email protected]
VASCO: Ariane Bosmans, +32 2 456 9810, [email protected]