NW_20050915_en_VASCO First Company to Receive Belgian EPCI Certification for its Digipass Unconnected Card Readers

September 15, 2005

OAKBROOK TERRACE, Ill., and BRUSSELS, Belgium, 15 September, 2005 - VASCO Data Security International, Inc. (Nasdaq: VDSI) (www.vasco.com), the global number one vendor of strong user authentication products to the financial sector, today announced that it is the first vendor to receive the EPCI (Electronic Payment Certification Institute) certification.

The EPCI certification for VASCO’s Digipass stands for the authentication functions allowing a cardholder to authenticate himself/sign transactions and to check the card’s Proton balance. The certification also includes MasterCard and VISA EMV-CAP specifications.

“The fact that we are the first vendor to be EPCI certified, adds a crucial competitive advantage to our offering to the Belgian market,” said Jan Valcke, VASCO’s President and COO. “Over 17 million of VASCO’s Digipass are used by financial institutions worldwide. Being the first to have certified products gives VASCO an additional competitive advantage.”

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 over 17 million Digipass products sold and delivered, VASCO has established itself as a world-leader for strong User Authentication with over 390 international financial institutions and approximately 1,700 blue-chip corporations and governments located in more than 90 countries.

About EPCI: EPCI was created by the issuers of Bancontact/MisterCash and Proton cards in 1998 and is operative since April 1999 for the certification of payment terminals on the basis of specifications issued by Banksys as Card Scheme Manager for these two schemes. For more information, see also www.epci.be.

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]