DETROIT, Sep 18, 2002 /PRNewswire-FirstCall via COMTEX/ -- Comerica
Incorporated (NYSE: CMA) will announce its third quarter earnings prior to the
market opening on Wednesday, October 16, 2002.

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

Comerica will host a conference call to review third quarter 2002 financial
results at 8 a.m. EDT Wednesday, October 16, 2002. Interested parties may access
the conference call by calling (706) 679-5261 (event ID No. 5779063). 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, November 13, 2002. The conference call replay can be accessed
by calling (800) 642-1687 or (706) 645-9291 (event ID No. 5779063). 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, 19 other states, Canada and Mexico. Comerica has an
investment services affiliate, Munder Capital Management, ranked among the top
money managers worldwide. Comerica reported total assets of $51 billion at June
30, 2002.

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SOURCE Comerica Incorporated

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
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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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