Company: CMA
Filing Date: 2025-10-09
Form Type: 425
Source: 0001193125-25-235941
Chunk: 1

Company: COMERICA INC
Filing Date: 2025-10-09
Form: 425
Chunk 1
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 or Rule 12b-2of the Securities Exchange Act of 1934 (17 CFR 240.12b-2). Emerging growth company ☐ If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act. ☐

| ITEM 1.01 | ENTRY INTO A MATERIAL DEFINITIVE AGREEMENT. |

On October 5, 2025, Comerica Incorporated, a Delaware corporation (“Comerica”), entered into an Agreement and Plan of Merger (the “Merger Agreement”) with Fifth Third Bancorp, an Ohio corporation (“Fifth Third”), Fifth Third Financial Corporation, an Ohio corporation and a wholly owned subsidiary of Fifth Third, (“Fifth Third Intermediary”), and Comerica Holdings Incorporated, a Delaware corporation and a wholly owned subsidiary of Comerica (“Comerica Holdings”). The Merger Agreement provides that, upon the terms and subject to the conditions set forth therein, (i) Comerica will merge with and into Fifth Third Intermediary (the “Merger”), with Fifth Third Intermediary continuing as the surviving corporation in the Merger, and (ii) immediately thereafter, Comerica Holdings will merge with and into Fifth Third Intermediary, with Fifth Third Intermediary continuing as the surviving corporation (the “Second Step Merger”, and together with the Merger, the “Mergers”). Following the completion of the Mergers, at a time determined by Fifth Third, each of Comerica Bank, a Texas banking association and wholly owned subsidiary of Comerica, and Comerica Bank & Trust, National Association, a national bank and wholly owned subsidiary of Comerica Holdings, will each merge with and into Fifth Third Bank, National Association, a national banking association and a wholly owned subsidiary of Fifth Third Intermediary (each, a “Bank Merger” and collectively, the “Bank Mergers”), with Fifth Third Bank, National Association continuing as the surviving bank in each of the Bank Mergers. The Merger Agreement was unanimously approved by the boards of directors of each of Fifth Third and Comerica. Subject to the terms and conditions of the Merger Agreement, at the effective time of the Merger (the “Effective Time”), each share of common stock, par value $5.00 per share, of Comerica (“Comerica