Stock Trading History of Walsh Peter

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 Walsh Peter since year 2005. The trader's CIK number is 1209843. At the time of this reporting, Walsh Peter is the Sr. V.P. and General Counsel of Ameristar Casinos Inc (stock ticker symbol ASCA).

Stock purchases, sales, and option exercises reported by *Walsh Peter* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2007-02-20	ASCA	Ameristar Casinos Inc	Option Exercise	60,264	10.56	636,287
2007-02-20	ASCA	Ameristar Casinos Inc	Sale	60,264	32.20	1,940,553
2006-11-07	ASCA	Ameristar Casinos Inc	Option Exercise	9,758	6.97	67,988
2006-11-08	ASCA	Ameristar Casinos Inc	Option Exercise	10,930	6.97	76,154
2006-11-07	ASCA	Ameristar Casinos Inc	Sale	9,758	24.71	241,159
2006-11-08	ASCA	Ameristar Casinos Inc	Sale	10,930	24.70	269,971
2006-11-01	ASCA	Ameristar Casinos Inc	Option Exercise	2,000	6.97	13,935
2006-10-31	ASCA	Ameristar Casinos Inc	Option Exercise	4,800	6.97	33,444
2006-11-01	ASCA	Ameristar Casinos Inc	Sale	2,000	24.71	49,427
2006-10-31	ASCA	Ameristar Casinos Inc	Sale	4,800	24.74	118,738

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 Walsh Peter (Sr. V.P. and General Counsel of Ameristar Casinos Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.