Stock Trading History of Greene Dale E

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 Greene Dale E since year 2005. The trader's CIK number is 1217997. At the time of this reporting, Greene Dale E is the EVP/Chief Credit Officer of Comerica Inc /new/ (stock ticker symbol CMA).

Stock purchases, sales, and option exercises reported by *Greene Dale E* since 2005.
Trade Date	Symbol	Company Name (Issuer)	Trade Type	Shares	Price ($)	Value ($)
2006-08-11	CMA	Comerica Inc /new/	Option Exercise	6,000	40.25	241,500
2006-08-11	CMA	Comerica Inc /new/	Sale	6,000	57.51	345,054
2006-08-11	CMA	Comerica Inc /new/	Option Exercise	6,000	40.25	241,500
2006-08-11	CMA	Comerica Inc /new/	Sale	6,000	57.51	345,054
2006-07-26	CMA	Comerica Inc /new/	Option Exercise	6,000	40.25	241,500
2006-07-26	CMA	Comerica Inc /new/	Sale	6,000	57.15	342,917

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 Greene Dale E (EVP/Chief Credit Officer of Comerica Inc /new/ at the time of this reporting) see the Securities and Exchange Commission (SEC) website.