DETROIT, Mar 17, 2003 /PRNewswire-FirstCall via COMTEX/ -- Comerica
Incorporated (NYSE: CMA) will announce its first quarter 2003 earnings prior to
the market opening on Wednesday, April 16, 2003.

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

Comerica will host a conference call to review first quarter 2003 financial
results at 8 a.m. EDT Wednesday, April 16, 2003. Interested parties may access
the conference call by calling (706) 679-5261 (event ID No. 9203074). The call
also will be accessible on the Internet at www.comerica.com . A replay of the
conference call will be available approximately two hours following the call
through Wednesday, May 14, 2003. The conference call replay can be accessed by
calling (800) 642-1687 or (706) 645-9291 (event ID No. 9203074). The replay also
will be accessible via Comerica's "Investor Relations" page at www.comerica.com

Comerica Incorporated (NYSE: CMA) is a financial services company focused on
business banking and asset gathering. Through its more than 500 customer-
service locations, including branch, lending and investment offices, Comerica
helps businesses and people be successful. Comerica is ideally positioned to
deliver high quality financial services in Michigan, California and Texas, as
well as in Florida, and numerous other states, Canada and Mexico. Munder Capital
Management and Comerica Securities are investment services affiliates. Comerica
reported total assets of $53 billion at December 31, 2002. To receive e-mail
alerts of breaking Comerica news, go to www.comerica.com/newsalerts .

SOURCE Comerica Incorporated

CONTACT: Media Contacts: Sharon R. McMurray, +1-313-222-4881, Wayne J.
Mielke, +1-313-222-4732,

Investor Contacts: Helen L. Arsenault,
+1-313-222-2840, Judith M. Chavis, +1-313-222-6317, all of Comerica
Incorporated
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PRN Photo Desk, +1-888-776-6555 or +1-212-782-2840

URL: http://www.comerica.com
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