Company: CMA
Filing Date: 2025-08-05
Form Type: 424B5
Source: 0001193125-25-173600
Chunk: 84

Company: COMERICA INC
Filing Date: 2025-08-05
Form: 424B5
Chunk 84
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 of the Federal Reserve Board if then required by applicable law. The preferred stock will be, when issued, fully paid and non-assessable.Holders of preferred stock will not have any preemptive or subscription rights to acquire more stock of Comerica. The transfer agent, registrar, dividend disbursing agent and redemption agent for shares of each series of preferred stock will be named in the prospectus supplement relating to such series. Rank Unless otherwise specified in connection with a particular offering of preferred stock, such shares will rank on an equal basis with each other series of preferred stock and prior to the Common Stock as to dividends and distributions of assets. Dividends Subject to applicable regulatory requirements, holders of each series of preferred stock will be entitled to receive cash dividends when, as and if declared by the board of directors of Comerica out of funds legally available for dividends. The rates and dates of payment of dividends will be set forth in the prospectus supplement relating to each series of preferred stock. Dividends will be payable to holders of record of preferred stock as they appear on the books of Comerica or, if applicable, the records of the depositary referred to below under “Description of Depositary Shares,” on the record dates fixed by the board of directors. Dividends on a series of preferred stock may be cumulative or noncumulative. Comerica may not declare, pay or set apart for payment dividends on the preferred stock unless full dividends on other series of preferred stock that rank on an equal or senior basis have been paid or sufficient funds have been set apart for payment for

| • |     | all prior dividend periods of other series of preferred stock that pay dividends on a cumulative basis; or |

| • |     | the immediately preceding dividend period of other series of preferred stock that pay dividends on a 
 noncumulative basis.                                                                                 |

5

Partial dividends declared on shares of preferred stock and each other series of preferred stock ranking on an equal basis as to dividends will be declared pro rata. A pro rata declaration means that the ratio of dividends declared per share to accrued dividends per share will be the same for each series of preferred stock. Similarly, Comerica may not declare, pay or set apart for payment non-stockdividends or make other payments on the Common Stock or any other stock of Comerica ranking junior to the preferred stock until full dividends on the preferred stock have been paid or set apart for payment for

| • |     | all prior dividend periods if the preferred stock pays dividends