DETROIT, Dec. 10 /PRNewswire/ -- Comerica Incorporated (NYSE: CMA) today
announced that Dale E. Greene will succeed Thomas R. Johnson as Chief Credit
Officer. The announcement was made by Ralph W. Babb Jr., chairman, president
and chief executive officer.

As executive vice president, Credit Policy, Greene will oversee the
corporation's loan policies and procedures, including the overall quality of
Comerica's lending portfolio. Most recently, he has served as executive vice
president and officer-in-charge of Corporate Banking, a position he has held
since 1999. Mr. Greene, 56, joined Comerica in 1978 as a commercial loan
officer. He has held various management positions, including service as chief
credit officer for Comerica Bank (Michigan) from 1996 to 1999.

Mr. Johnson, an executive vice president, had served as Comerica's chief
credit officer for 15 years. He joined Comerica in 1968 as a credit analyst.
He has held a number of management positions at Comerica, including leadership
of two business banking departments. He was named chief credit officer in
1987. In addition to working closely with Dale Greene to ensure a smooth
transition, Mr. Johnson, 58, will now be the senior executive in charge of the
credit portion of Comerica's enterprise-wide risk management program. This
program is part of Comerica's evolving credit risk process and will ensure a
robust risk management environment in compliance with the Basel II Capital
Accord requirements.

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, numerous 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 $53 billion at
September 30, 2002.

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/