Stock Trading History of Valcke Jan E C

The following table details the trading activities (stock purchases, stock sales, and stock option exercises) reported to the Securities and Exchange Commission (SEC) by insider Valcke Jan E C since year 2005. The trader's CIK number is 1220705. At the time of this reporting, Valcke Jan E C is the President and COO of Vasco Data Security International Inc (stock ticker symbol VDSI).

Stock purchases, sales, and option exercises reported by *Valcke Jan E C* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-05-02	VDSI	Vasco Data Security International Inc	Sale	55,000	21.56	1,186,006
2007-05-02	VDSI	Vasco Data Security International Inc	Option Exercise	55,000	2.09	115,156
2006-11-15	VDSI	Vasco Data Security International Inc	Sale	4,805	.00	0
2006-11-14	VDSI	Vasco Data Security International Inc	Sale	23,945	.00	0
2006-11-15	VDSI	Vasco Data Security International Inc	Option Exercise	4,805	.00	0
2006-11-14	VDSI	Vasco Data Security International Inc	Option Exercise	23,945	.00	0

Insider trading activities including stock purchases, stock sales, and option exercises listed in the above table cannot be completely guaranteed as to their accuracy. For more information regarding the trades made by Valcke Jan E C (President and COO of Vasco Data Security International Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.