Annual Report 2009 (1 MB, pdf) - Vasco

Stock Performance Graph
The Stock Performance Graph below compares the cumulative total return through December 31, 2009,
assuming reinvestment of dividends, by an investor who invested $100.00 on December 31, 2004, in each of (i)
our common stock, (ii) the Russell 2000 index, (iii) the Standard Industrial Code Index 3577 – Computer
Peripheral Equipment, NEC and (iv) a comparable industry (the peer group) index selected by the company. The
peer group for this purpose consists of: ActivIdentity Corporation, ArcSight, Inc., Blue Coat Systems, Inc.,
Guidance Software, Inc., SonicWALL, Inc., Sourcefire, Inc. and Websense, Inc. The stock price performance
shown on the graph below is not necessarily indicative of future price performance.
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2004
2005
Comparison of 5 Year Cumulative Total Return
Assumes Initial Investment of $100
December 2009
2006
2008 2009
VASCO DATA SEC Russell 2000 Index 3577 - Computer Peripheral Equipment, NEC Peer Group
2007
Dec-04 Dec-05 Dec-06 Dec-07 Dec-08 Dec-09
VASCO Data Security International, Inc. ............. 100.00 148.92 178.98 421.68 155.99 94.82
Russell 2000 Index .............................. 100.00 104.56 123.75 121.83 80.66 102.59
3577—Computer Peripheral Equipment, NEC ......... 100.00 97.46 114.92 102.65 44.47 67.92
Peer Group Only ................................ 100.00 124.36 95.78 111.47 52.60 118.53
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