DALLAS, Dec. 18 /PRNewswire-FirstCall/ -- Comerica Incorporated (NYSE: CMA) will announce its fourth quarter and full-year 2009 earnings prior to the market opening on Thursday, January 21, 2010. (Logo: http://www.newscom.com/cgi-bin/prnh/20010807/CMALOGO) Comerica will host a conference call to review fourth quarter and full-year 2009 financial results at 7 a.m. CT Thursday, January 21, 2010. Interested parties may access the conference call by calling (800) 309-2262 or (706) 679-5261 (event ID No. 47127335). The call also will be accessible on the Internet at http://www.comerica.com/. A telephone replay of the conference call will be available approximately two hours following the call through January 31, 2010. The conference call replay can be accessed by calling (800) 642-1687 or (706) 645-9291 (event ID No. 47127335). 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 Dallas, Texas, and strategically aligned by three business segments: The Business Bank, The Retail Bank, and Wealth & Institutional Management. Comerica focuses on relationships, and helping people and businesses be successful. In addition to Texas, Comerica Bank locations can be found in Arizona, California, Florida and Michigan, with select businesses operating in several other states, as well as in Canada and Mexico. Comerica reported total assets of $59.6 billion at September 30, 2009. To receive e-mail alerts of breaking Comerica news, go to http://www.comerica.com/newsalerts. http://www.newscom.com/cgi-bin/prnh/20010807/CMALOGO http://photoarchive.ap.org/ DATASOURCE: Comerica Incorporated CONTACT: Media, Wayne Mielke, +1-214-462-4463, or Investors, Darlene Persons, +1-214-462-6831, or Walter Galloway, +1-214-462-6834 all of Comerica Incorporated Web Site: http://www.comerica.com/

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