NW_20040603_VASCO’s Chairman & CEO and CFO To Present at Rodman & Renshaw Techvest Security Conference on June 7

June 3, 2004

OAKBROOK TERRACE, Ill., and BRUSSELS, Belgium, June 3, 2004 - VASCO Data Security International, Inc. (Nasdaq: VDSI) ( www.vasco.com ), a global provider of security products that enable e-business and e-commerce, today announced that its Chairman and CEO, Mr. Ken Hunt, and its CFO, Mr. Cliff Bown, will be presenting at the upcoming Rodman and Renshaw Techvest Conference at the Mandarine Oriental Hotel, New York. VASCO’s presentation will take place on June 7 at 01.30 pm EST and will be webcast live, as well as archived for later review. .

“VASCO is actively communicating with the institutional investor community,” said Ken Hunt, VASCO’s Chairman and CEO. “Rodman and Renshaw’s Techvest Conference offers our company the opportunity to present our message to 200 institutional investors, venture capitalists and corporate executives.”

Rodman and Renshaw Techvest Security Conference
Mandarin Oriental Hotel
80 Columbus Circle at 60th Street
36th floor
New York, NY 10023
Presentation Ken Hunt (Chairman & CEO VASCO) and Cliff Bown (CFO)
June 7th at 01.30 pm EST.
Web cast link: http://www.wsw.com/webcast/rrshq3/vdsi/

About VASCO: VASCO designs, develops, markets and supports patented “Identity Authentication” products for e-business and e-commerce. VASCO’s Identity Authentication software is delivered via its Digipass security products, small “calculator” hardware devices carried by an end user, or in a software format on mobile phones, other portable devices, and PCs. For user access control, VASCO’s VACMAN products guarantee that only designated Digipass users get access to the application. VASCO’s target markets are the applications and their several hundred million users that utilize fixed passwords as security. VASCO’s time-based system generates a “one-time” password that changes with every use, and is virtually impossible to hack, or break. With over 11 million Digipass products sold and ordered, VASCO has established itself as a world-leader for strong Identity Authentication with 280 international financial institutions, approximately 1500 blue-chip corporations, and governments in more than 60 countries.

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 contact:
Jochem Binst, +32 2 456 9810, [email protected]