DETROIT, May 16 /PRNewswire-FirstCall/ -- The Board of Directors of Comerica Incorporated today declared a quarterly cash dividend of fifty-nine cents ($0.59) per common share. The dividend is payable July 1, 2006, to shareholders of record June 15, 2006.

(Logo: http://www.newscom.com/cgi-bin/prnh/20010807/CMALOGO )

Comerica Incorporated (NYSE: CMA) 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, Arizona and Florida, with select businesses operating in several other states, and Canada and Mexico. Comerica reported total assets of $56.4 billion at March 31, 2006. To receive e-mail alerts of breaking Comerica news, go to http://www.comerica.com/newsalerts .

SOURCE: Comerica Incorporated

CONTACT: Media Contacts: Sharon McMurray, +1-313-222-4881, Wayne Mielke,
+1-313-222-4732, Investor Contacts: Paul Burdiss, +1-313-222-2840, or Paul
Jaremski, +1-313-222-6317, all of Comerica Incorporated

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