DETROIT, Sept. 20 /PRNewswire-FirstCall/ -- Comerica Incorporated
(NYSE: CMA) will announce its third quarter 2004 earnings prior to the market
opening on Tuesday, October 19, 2004.

Comerica will host a conference call to review third quarter 2004
financial results at 8 a.m. ET Tuesday, October 19, 2004. Interested parties
may access the conference call by calling (706) 679-5261 (event ID No.
273710). The call also will be accessible on the Internet at
http://www.comerica.com . A replay will be available approximately two hours
following the call through Friday, November 19, 2004. The conference call
replay can be accessed by calling (800) 642-1687 or (706) 645-9291 (event ID
No. 273710). 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 into the Business Bank, Small Business &
Personal Financial Services, and Wealth & Institutional Management. Comerica
focuses on relationships, and helping businesses and people be successful.
Comerica reported total assets of $55 billion at June 30, 2004. To receive e-
mail alerts of breaking Comerica news, go to
http://www.comerica.com/newsalerts .

SOURCE Comerica Incorporated
-0- 09/20/2004
/CONTACT: Media Contacts: Sharon R. McMurray, +1-313-222-4881, Wayne J.
Mielke, +1-313-222-4732, or Investor Contacts: Helen L. Arsenault,
+1-313-222-2840, Judith M. Chavis, +1-313-222-6317, all of Comerica
Incorporated/
/Photo: NewsCom: http://www.newscom.com/cgi-bin/prnh/20010807/CMALOGO
PRN Photo Desk, photodesk@prnewswire.com/
/Web site: http://www.comerica.com /
(CMA)

CO: Comerica Incorporated
ST: Michigan
IN: FIN
SU: CCA MAV

TM-TH
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7951 09/20/2004 11:18 EDT http://www.prnewswire.com