Stock Trading History of Perotti William L

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 Perotti William L since year 2005. The trader's CIK number is 1388771. At the time of this reporting, Perotti William L is the Group Executive Vice President of Cullen Frost Bankers Inc (stock ticker symbol CFR).

Stock purchases, sales, and option exercises reported by insider *Perotti William L* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-02-12	CFR	Cullen Frost Bankers Inc	Sale	2,415	53.88	130,120
2007-03-23	CFR	Cullen Frost Bankers Inc	Sale	1,100	53.70	59,070
2007-05-07	CFR	Cullen Frost Bankers Inc	Sale	7,550	51.42	388,211
2007-05-07	CFR	Cullen Frost Bankers Inc	Option Exercise	20,000	24.12	482,400
2007-05-04	CFR	Cullen Frost Bankers Inc	Sale	17,000	51.41	874,022
2007-05-04	CFR	Cullen Frost Bankers Inc	Option Exercise	17,000	24.10	409,785

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 Perotti William L (Group Executive Vice President of Cullen Frost Bankers Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.