Comerica Directors Declare Dividend, Authorize Purchase of Additional Shares of Common Stock to Execute Capital Plan

 Comerica Directors Declare Dividend, Authorize Purchase of Additional Shares
                   of Common Stock to Execute Capital Plan

PR Newswire

DALLAS, April 23, 2013

DALLAS, April 23, 2013 /PRNewswire/ -- The Board of Directors of Comerica
Incorporated today declared a quarterly cash dividend for common stock of 17
cents ($0.17) per share. The dividend is payable July 1, 2013, to common
stock shareholders of record June 14, 2013.

(Logo: http://photos.prnewswire.com/prnh/20010807/CMALOGO)

In addition, the board increased the number of shares of common stock that
Comerica is authorized to repurchase under its share repurchase program by up
to 10 million shares. This action was taken in conjunction with Comerica's
announcement on March 14, 2013, that the Federal Reserve did not object to
Comerica's 2013 capital plan and contemplated capital distributions. The plan
includes up to $288 million in equity repurchases for the four-quarter period
commencing in the second quarter 2013 and ending in the first quarter 2014.
Shares will be purchased from time to time in the open market or otherwise.
The shares may be held as treasury stock or retired.

Comerica Incorporated (NYSE: CMA) is a financial services company
headquartered in Dallas, Texas, and strategically aligned by three business
segments: The Business Bank, The Retail Bank, and Wealth & Institutional
Management. Comerica focuses on relationships, and helping people and
businesses be successful. In addition to Texas, Comerica Bank locations can be
found in Arizona, California, Florida and Michigan, with select businesses
operating in several other states, as well as in Canada and Mexico.

SOURCE Comerica Incorporated

Website: http://www.comerica.com
Contact: Media Contact, Wayne Mielke, (214) 462-4463; Investor Contacts,
Darlene Persons, (214) 462-6831, or Brittany Butler, (214) 462-6834