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DETROIT, Aug 21, 2001 /PRNewswire/ -- Comerica Bank (Michigan)
announced it has lowered its prime rate to 6.50 percent from 6.75 percent,
effective August 22, 2001.

Comerica Bank, the largest bank in Michigan, is a subsidiary of Comerica
Incorporated (NYSE: CMA), a multi-state financial services provider
headquartered in Detroit, with banking subsidiaries in Michigan, California and
Texas, banking operations in Florida, and businesses in several other states.
Comerica has an investment services affiliate, Munder Capital Management, and
operates banking subsidiaries in Canada and Mexico. Comerica reported total
assets of $49 billion at June 30, 2001.

SOURCE Comerica Bank

CONTACT: Media Contact: Wayne J. Mielke, +1-313-222-4732, or Investor
Contact: Judith S. Love, +1-313-222-2840, both of Comerica Bank
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