DETROIT, Feb. 21 /PRNewswire-FirstCall/ -- Comerica Incorporated (NYSE: CMA) today announced that on March 19, 2007, its subsidiary, Comerica Capital Trust I, will redeem all $350 million of its 7.60% Trust Preferred Securities (CUSIP 20034Y202) at $25 per preferred security held, plus accrued and unpaid distributions to the redemption date.

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Call notices for this issue were mailed by The Bank of New York, as trustee. Payment of the redemption amount will be made through the facilities of The Depository Trust Company.

Comerica Incorporated is a financial services company headquartered in Detroit, strategically aligned into three major business segments: the Business Bank, the Retail Bank, and Wealth & Institutional Management. Comerica focuses on relationships, and helping businesses and people to be successful. Comerica Bank locations can be found in Michigan, California, Texas, Florida and Arizona, with select businesses operating in several other states, as well as in Canada and Mexico.

SOURCE: Comerica Incorporated

CONTACT: Media Contact: Wayne J. Mielke, +1-313-222-4732, Investor
Contacts: Darlene P. Persons, +1-313-222-2840, or Paul Jaremski,
+1-313-222-6317, all of Comerica Incorporated

Web site: http://www.comerica.com/