NW_20010306_VASCO Analyst Coverage Expands with Addition of Bank Degroof

OAKBROOK TERRACE, Ill. and BRUSSELS, Belgium - March 6, 2001 - VASCO Data Security International, Inc. (NASDAQ & EASDAQ: VDSI), a global provider of enterprise-wide security solutions that support e-business and e-commerce,
today announced that Bank Degroof, a leading Belgian investment bank, has initiated coverage on VASCO. This adds to coverage already initiated on VASCO by ING Barings, First Analysis Securities Corporation, Fortis Securities Company (a division of Fortis Bank), Close Brothers, and MedioSim Gruppo Bancaroma. For additional information, visit VASCO’s web site at www.vasco.com .

NOTE: VASCO Data Security International, Inc. (VASCO) is followed by the analysts in this press release and as of the date of this press release.
Any opinions, estimates or forecasts regarding VASCO's performance made by these analysts are theirs alone and do not represent opinions, forecasts or predictions of VASCO or its management. VASCO does not by its reference
above or distribution imply its endorsement of or concurrence with such information, conclusions or recommendations.

About VASCO
VASCO secures the enterprise from the mainframe to the Internet with infrastructure solutions that enable secure e-business and e-commerce,
protect sensitive information, and safeguard the identity of users. The Company's family of Digipass® and SnareWorks® products offers end-to-end security through strong authentication and digital signature, true Single Sign-On, access control and advanced entitlements, web portal security, and PKI enablement, while sharply reducing the time and effort required to
deploy and manage security. VASCO's customers include hundreds of financial institutions, blue-chip corporations, and government agencies in more than 50 countries. More information is available at www.vasco.com .

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:

Americas:
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]

Europe/Asia:
Media (Benelux): Nico Tempelaere
Outsource
+32 2 361 31 20
[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]