NW_20070719_VASCO To Release Q2 2007 Results On Thursday, July 26 – dial-in information

July 19, 2007

OAKBROOK TERRACE, Illinois and ZURICH, Switzerland – July 19, 2007 – VASCO Data Security International Inc. (Nasdaq: VDSI; www.vasco.com), the leading software security company specializing in authentication products, announced today the dial-in numbers for its Q2 2007 earnings conference call that will he held on Thursday, July 26 at 10.00 am EST/16.00 CET. The dial-in numbers for the call are:

Dial-in US: 888-603-6873
Dial-in International: +1 973-582-2706

The conference call will also be streamed on the VASCO website (www.vasco.com).

Mr. T. Kendall Hunt, Chairman and CEO, Mr. Jan Valcke, President and COO and Mr. Cliff Bown, Executive Vice President and CFO of VASCO, will be available on July 26 to answer analyst, investor and media questions.

About VASCO: VASCO is the number one supplier of strong authentication and e-signature solutions and services. VASCO has established itself as the world’s leading software company specialized in Internet Security, with a customer base of over 4,800 companies in more than 100 countries, including close to 750 international financial institutions. VASCO’s prime markets are the financial sector, enterprise security, e-commerce and e-government.

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]