VASCO to release Q4 and Full Year 2013 results on Tuesday, February 18th

OAKBROOK TERRACE, Illinois and ZURICH, Switzerland – February 4th, 2014 – VASCO Data Security International Inc. (Nasdaq: VDSI; www.vasco.com), announces today that it will release its Q4 and full year 2013 results on Tuesday, February 18th.

On February 18, at 10.00 am EST/16.00 CET, VASCO will hold a conference call, which will be streamed on the VASCO website (www.vasco.com).

Dial-in telephone numbers for the conference call will be announced shortly.

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 February 18 to answer analyst, investor and media questions.