Stock Trading History of Alvarez Carlos

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 Alvarez Carlos since year 2005. The trader's CIK number is 1188022. At the time of this reporting, Alvarez Carlos is the Director of Cullen Frost Bankers Inc . (stock ticker symbol CFR). See this page for all insider trading activities at Cullen Frost Bankers Inc .

Stock purchases, sales, and option exercises reported by insider *Alvarez Carlos* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2008-05-14	CFR	Cullen Frost Bankers Inc	Option Exercise	4,000	38.41	153,640
2007-08-01	CFR	Cullen Frost Bankers Inc	Option Exercise	4,000	36.25	145,000
2006-08-11	CFR	Cullen Frost Bankers Inc	Purchase	20,000	57.18	1,143,600
2006-08-11	CFR	Cullen Frost Bankers Inc	Purchase	20,000	57.18	1,143,600
2006-02-08	CFR	Cullen Frost Bankers Inc	Purchase	40,000	53.01	2,120,400
2005-05-04	CFR	Cullen Frost Bankers Inc	Purchase	20,000	44.30	886,000

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 Alvarez Carlos (Director of Cullen Frost Bankers Inc at the time of this reporting) see the Securities and Exchange Commission (SEC) website.