DETROIT, Dec. 18 /PRNewswire-FirstCall/ -- Comerica Incorporated (NYSE: CMA) will announce its fourth quarter and full year 2006 earnings prior to the market opening on Thursday, January 18, 2007.

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

Comerica will host a conference call to review fourth quarter and full year 2006 financial results at 8 a.m. ET Thursday, January 18, 2007. Interested parties may access the conference call by calling (706) 679-5261 (event ID No. 4709098). The call also will be accessible on the Internet at http://www.comerica.com/ . A replay of the conference call will be available approximately two hours following the call. The conference call replay can be accessed by calling (800) 642-1687 or (706) 645-9291 (event ID No. 4709098). The replay also will be accessible via Comerica's "Investor Relations" page at http://www.comerica.com/ .

Comerica Incorporated is a financial services company headquartered in Detroit, strategically aligned by three business segments: The Business Bank, The Retail Bank, and Wealth & Institutional Management. Comerica's approximately 10,700 employees focus on relationships, and helping people and businesses be successful. Comerica Bank locations can be found in Michigan, California, Texas, Arizona and Florida, with select businesses operating in several other states, Canada and Mexico. Comerica reported total assets of $58.5 billion at September 30, 2006. To receive e-mail alerts of breaking Comerica news, go to http://www.comerica.com/newsalerts.

SOURCE: Comerica Incorporated

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

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