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Filing Details

Issuer

Cik	Name	Symbol	Sector (SIC)	IRS No
28412	Comerica Inc W	CMA	National Commercial Banks (6021)	000006021

Insiders

Cik	Name	Reported Address	Insider Title	Director	Officer	Large Shareholder	Other
1217991	W Jon Bilstrom	Comerica Incorporated 1717 Main Street, Mc 6404 Dallas TX 75201	Evp & Secretary	No	Yes	No	No

Reported Non-Derivative Transactions

Sec. Name	Acquisiton - Disposition	Date	Amount	Price	Remaning Holdings	Equity Swap Involved	Form Type	Code	Nature of Ownership
Common Stock	Disposition	2010-12-01	2,371	$37.05	78,774	No	4	S	Direct
Common Stock	Disposition	2010-12-01	100	$37.20	78,674	No	4	S	Direct
Common Stock	Disposition	2010-12-01	100	$37.23	78,574	No	4	S	Direct
Common Stock	Disposition	2010-12-01	429	$37.24	78,145	No	4	S	Direct

Equity Swap Involved	Form Type	Code	Nature of Ownership
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct
No	4	S	Direct

Reported Non-Derivative Holdings

Sec. Name	Remaning Holdings	Nature of Ownership	Explanation
Common Stock	1,500	Indirect	by Jon W. Bilstrom Agency
Common Stock	2,000	Indirect	by Kathy Keeler Bilstrom Trust Agency

Reported Derivative Holdings

Sec. Name	Sec. Type	Price	Date	Expiration Date	Amount	Remaning Holdings	Nature of Ownership
Common Stock	Employee Stock Option (right to buy)	$44.91	2004-01-02	2013-01-02	20,000	20,000	Direct
Common Stock	Employee Stock Option (right to buy)	$52.50	2005-01-26	2014-04-16	25,000	25,000	Direct
Common Stock	Employee Stock Option (right to buy)	$54.99	2006-01-25	2015-04-21	25,000	25,000	Direct
Common Stock	Employee Stock Option (right to buy)	$56.47	2007-01-24	2016-02-15	25,000	25,000	Direct
Common Stock	Employee Stock Option (right to buy)	$58.98	2008-01-23	2017-01-23	25,000	25,000	Direct
Common Stock	Employee Stock Option (right to buy)	$37.45	2009-01-22	2018-01-22	25,000	25,000	Direct
Common Stock	Employee Stock Option (right to buy)	$17.32	2010-01-27	2019-01-27	20,300	20,300	Direct
Common Stock	Phantom Stock Units	$0.00	2011-02-05	2011-02-05	8,176	8,176	Direct
Common Stock	Employee Stock Option (right to buy)	$39.16	2011-07-27	2020-07-27	18,500	18,500	Direct

Expiration Date	Amount	Remaning Holdings	Nature of Ownership
2013-01-02	20,000	20,000	Direct
2014-04-16	25,000	25,000	Direct
2015-04-21	25,000	25,000	Direct
2016-02-15	25,000	25,000	Direct
2017-01-23	25,000	25,000	Direct
2018-01-22	25,000	25,000	Direct
2019-01-27	20,300	20,300	Direct
2011-02-05	8,176	8,176	Direct
2020-07-27	18,500	18,500	Direct

Footnotes

Includes shares acquired through employee stock plans, shares purchased with reinvested dividends and stock units held pursuant to a deferred compensation plan as of December 1, 2010.
The options vest in four equal annual installments beginning on the date indicated in this column.
The phantom stock units represent a portion of the reporting person's base salary.
Each phantom stock unit is the economic equivalent of one share of Comerica Incorporated common stock.
Phantom stock units will be settled in cash on the earlier to occur of February 5, 2011 or the reporting person's death.