DETROIT, Aug. 15 /PRNewswire-FirstCall/ -- Comerica Incorporated (NYSE: CMA) today announced the completion of the sale of its Mexican bank charter to Monex Grupo Financiero, S.A. de C.V., a financial group with a leading position in the Mexican foreign exchange market, headquartered in Mexico City.

  (Logo:  http://www.newscom.com/cgi-bin/prnh/20010807/CMALOGO )
  The sale has received regulatory approval.

Comerica will continue to serve the Mexican market by focusing dollar- based activities through its representative office in Monterrey.

Comerica Incorporated is a financial services company headquartered in Detroit, strategically aligned into three major business segments: the Business Bank, the Retail Bank, and Wealth & Institutional Management. Comerica focuses on relationships and helping businesses and people to be successful. Comerica Bank locations can be found in Michigan, California, Texas, Florida and Arizona, with select businesses operating in several other states, and Canada and Mexico. Comerica reported total assets of $57.1 billion at June 30, 2006. To receive e-mail alerts of breaking Comerica news, go to http://www.comerica.com/newsalerts .

SOURCE: Comerica Incorporated

CONTACT: Media Contact: Wayne Mielke, +1-313-222-4732, Investor
Contacts: Darlene Persons, +1-313-222-2840, or Paul Jaremski, +1-313-222-6317,
all of Comerica Incorporated

Web site: http://www.comerica.com/