NW_20000531_en_VASCO Receives Orders Totaling 120000 Digipass for Secure Internet Banking

May 31, 2000

OAKBROOK TERRACE, Illinois and BRUSSELS, Belgium - May 31, 2000 - VASCO Data Security International, Inc. (NASDAQ: VDSI; EASDAQ: VDSI; www.vasco.com) announced today that it has received orders totaling one hundred twenty thousand Digipass authentication devices from a major international reseller, Concord-Eracom Nederland B.V. The orders, which were placed to meet significant increased demand for secure Internet banking experienced by a key VASCO customer, are expected to be shipped by the close of third quarter 2000. To date, the customer has purchased more than six hundred thousand Digipass authentication devices for use by consumers and businesses, demonstrating the ease of use and scalability that are the hallmarks of VASCO's security solutions.

"These orders, which follow our recently announced order for 240000 Digipass from SEB, the largest bank group in Scandinavia, demonstrates the continued strength of VASCO's longstanding authentication business," said Mario Houthooft, President and CEO of VASCO. "Our pipeline keeps expanding as we continue to receive large orders from existing customers, as well as ongoing orders from new customers."

According to John J. Knorr, Managing Director of Concord-Eracom, demand for Digipass strong authentication is growing rapidly among the VASCO reseller's bank customers. "We expect the pace of these orders to not only continue but to accelerate," he noted. "VASCO's Digipass technology is the market leader worldwide for securing financial transactions, and we look forward to building on our successful relationship as banks expand their secure Internet banking services."

Today, VASCO's Digipass technology protects the identity and transactions of millions of customers at more than 130 financial institutions around the world. "Our banking customers in particular continue to build market share and add new customers rapidly, as they accelerate their drive to Internet banking," noted VASCO's Houthooft. "Of course, each of these new bank customers needs security to protect their financial information and transactions."

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]
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]