Company: CMA
Filing Date: 2025-11-25
Form Type: DEFM14A
Source: 0001193125-25-297173
Chunk: 369

Company: COMERICA INC
Filing Date: 2025-11-25
Form: DEFM14A
Chunk 369
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 |
| Title:                            |     | President and Chief Executive Officer |

| COMERICA INCORPORATED |     |                         |
| By:                   |     | /s/ Curtis C. Farmer    |
| Name:                 |     | Curtis C. Farmer        |
| Title:                |     | Chairman, President and |
|                       |     | Chief Executive Officer |

| COMERICA HOLDINGS INCORPORATED |     |                                       |
| By:                            |     | /s/ Curtis C. Farmer                  |
| Name:                          |     | Curtis C. Farmer                      |
| Title:                         |     | President and Chief Executive Officer |

A-62

Exhibit A

Bank Merger Agreement

AGREEMENT AND PLAN OF MERGER OF

COMERICA BANK

AND

COMERICA BANK & TRUST, NATIONAL ASSOCIATION

WITH AND INTO

FIFTH THIRD BANK, NATIONAL ASSOCIATION

This Agreement and Plan of Merger (this “”), dated as of October
[●], 2025, is made by and among Fifth Third Bank, National Association, a national bank, Comerica Bank, a Texas state-chartered bank, and Comerica Bank & Trust, National Association, a national bank.

WITNESSETH:

WHEREAS, Fifth Third Bank, National Association is a national banking association duly organized and existing under the laws of the
United States, with its main office located in Cincinnati, Ohio, all the issued and outstanding capital stock of which is owned as of the date hereof directly by Fifth Third Financial Corporation, an Ohio corporation (“”) and a wholly owned subsidiary of Fifth Third Bancorp, an Ohio corporation (“”), and has authorized capital stock consisting of 454,042 common shares, par value $10.00 per share;

WHEREAS, Comerica Bank is a Texas state-chartered bank, with its home office located in Dallas, Texas, all the issued and outstanding
capital stock of which is owned as of the date hereof directly by Comerica Incorporated, a Delaware corporation (“”), and has authorized capital stock consisting of 5,852,732 shares of common stock, par value $10.00 per
share;

WHEREAS, Comerica Bank & Trust, National Association is a national banking association, duly organized and
existing under the laws of the United States with its main office located in Ann Arbor, Michigan, all the issued and outstanding capital stock of which is owned as of the date hereof by Comerica Holdings Incorporated