NW_20060531_VASCO’s Ken Hunt to Present at 3 Leading Institutional Investor Conferences

May 31, 2006

OAKBROOK TERRACE, Ill., and BRUSSELS, Belgium, - May 31, 2006 - VASCO Data Security International, Inc. (www.vasco.com) (Nasdaq: VDSI), the global number one vendor of strong user authentication and e-signature products, today announced that T. Kendall Hunt, VASCO’s Chairman and CEO, will present at 3 upcoming investor conferences.
On May 31, Mr. Hunt will speak at the Friedman Billings 2006 Growth Conference at the Grand Hyatt Hotel in New York.
The next day, on June 1, Ken Hunt will present at SG Cowen’s 34th Annual Technology Conference. This conference is being held at the New York Palace Hotel, New York.
Finally, on June 6, Ken Hunt will address investors during Janney Montgomery Scott’s Identity Technology Convergence Conference at the Grand Hyatt Hotel in New York.

About VASCO: VASCO designs, develops, markets and supports patented user authentication products for the financial world, remote access, e-business and e-commerce. VASCO’s user authentication software is delivered via its Digipass hardware and software security products. With approx. 25 million Digipass products sold and delivered, including the units sold by AOS Hagenuk prior to our acquisition, VASCO has established itself as a world-leader for strong User Authentication with over 470 international financial institutions and over 2,600 blue-chip corporations and governments located in more than 100 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]