SECURITIES AND EXCHANGE COMMISSION WASHINGTON, D.C. 20549 --------------- FORM 8-K CURRENT REPORT PURSUANT TO SECTION 13 OR 15 (D) OF THE SECURITIES EXCHANGE ACT OF 1934 Date of Report (Date of Earliest Event Reported): December 1, 2003 COMERICA INCORPORATED (Exact Name of Registrant as Specified in its Charter) Delaware 1-10706 38-1998421 ------------ ---------- --------------- (State or other jurisdiction (Commission File Number) (IRS Employer of Incorporation) Identification Number) Comerica Tower at Detroit Center 500 Woodward Avenue, MC 3391 Detroit, Michigan 48226 ------------------------------ (Address of principal executive offices) (zip code) (800) 521-1190 --------------------------------------------------------------------------- (Registrant's telephone number, including area code) ITEM 9. REGULATION FD DISCLOSURE The Corporation has determined to resume its share repurchase program, effective immediately. The Corporation's share repurchase is conducted under an existing authority from the Corporation's board of directors, and 5.3 million shares of common stock remain available for repurchase under this authority. SIGNATURE Pursuant to the requirements of the Securities Exchange Act of 1934, as amended, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunder duly authorized. COMERICA INCORPORATED By: /s/ Jon W. Bilstrom ---------------------------------------- Name: Jon W. Bilstrom Title: Executive Vice President - Governance, Regulatory Relations and Legal Affairs, and Secretary December 1, 2003