Company: CMA
Filing Date: 2025-08-05
Form Type: 424B5
Source: 0001193125-25-173600
Chunk: 85

Company: COMERICA INC
Filing Date: 2025-08-05
Form: 424B5
Chunk 85
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 on a cumulative basis; or |

| • |     | the immediately preceding dividend period if the preferred stock pays dividends on a noncumulative basis. |

Conversion and Exchange The prospectus supplement for a series of preferred stock will state the terms, if any, on which shares of that series are convertible into or exchangeable for shares of Comerica’s Common Stock. Redemption If so specified in the applicable prospectus supplement, a series of preferred stock may be redeemable at any time, in whole or in part, at the option of Comerica or the holder thereof and may be mandatorily redeemed. Any partial redemptions of preferred stock will be made in a way that the board of directors decides is equitable. Unless Comerica defaults in the payment of the redemption price, dividends will cease to accrue after the redemption date on shares of preferred stock called for redemption, and all rights of holders of such shares will terminate except for the right to receive the redemption price. Liquidation Preference Upon any voluntary or involuntary liquidation, dissolution or winding up of Comerica, holders of each series of preferred stock will be entitled to receive distributions upon liquidation in the amount set forth in the prospectus supplement relating to such series of preferred stock, plus an amount equal to any accrued and unpaid dividends. Such distributions will be made before any distribution is made on any securities ranking junior relating to liquidation, including Common Stock. If the liquidation amounts payable relating to the preferred stock of any series and any other securities ranking on a parity regarding liquidation rights are not paid in full, the holders of the preferred stock of such series and such other securities will share in any such distribution of available assets of Comerica on a ratable basis in proportion to the full liquidation preferences. Holders of such series of preferred stock will not be entitled to any other amounts from Comerica after they have received their full liquidation preference. Voting Rights The holders of shares of preferred stock will have no voting rights except:

| • |     | as otherwise stated in the prospectus supplement; |

| • |     | as otherwise stated in the certificate of designations establishing such series; and |

| • |     | as required by applicable law. |

5.625% Fixed-Rate Reset Non-CumulativePerpetual Preferred Stock, Series A Dividends on the Series A preferred stock will accrue on a non-cumulativebasis and will be payable in arrears when, as and if authorized by Comerica’s board of