Stock Trading History of Derkacht Gregory D

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 Derkacht Gregory D since year 2005. The trader's CIK number is 1205471. At the time of this reporting, Derkacht Gregory D is the Executive Vice President of Transaction Systems Architects Inc (stock ticker symbol TSAI).

Stock purchases, sales, and option exercises reported by *Derkacht Gregory D* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-02-23	TSAI	Transaction Systems Architects Inc	Sale	4,902	30.22	148,144
2006-02-22	TSAI	Transaction Systems Architects Inc	Sale	46,798	30.02	1,404,829
2006-02-23	TSAI	Transaction Systems Architects Inc	Option Exercise	4,902	10.49	51,405
2006-02-21	TSAI	Transaction Systems Architects Inc	Sale	1,900	30.45	57,848
2006-02-22	TSAI	Transaction Systems Architects Inc	Option Exercise	46,798	9.80	458,620
2006-02-21	TSAI	Transaction Systems Architects Inc	Option Exercise	1,900	11.86	22,534

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 Derkacht Gregory D (Executive Vice President of Transaction Systems Architects Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.