Company: CMA
Filing Date: 2025-08-05
Form Type: 424B5
Source: 0001193125-25-173600
Chunk: 36

Company: COMERICA INC
Filing Date: 2025-08-05
Form: 424B5
Chunk 36
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 to the initial fixed rate. We generally will be able to pay dividends and distributions upon liquidation, dissolution or winding up only out of assets legally available for such payment (after satisfaction of all claims for indebtedness and other non-equityclaims). See “Description of Depositary Shares—Dividends and Other Distributions” for information about dividends on the depositary shares representing the Series B Preferred Stock. Additionally, dividends on the Series B Preferred Stock will be subject to the satisfaction of conditions set forth in the capital adequacy guidelines or regulations of the Federal Reserve (or any successor bank regulatory authority that may become our applicable federal banking agency) applicable to dividends on the Series B Preferred Stock, if any. Dividend Stopper During each dividend period while the Series B Preferred Stock is outstanding, unless the full dividends for the immediately preceding dividend period on all outstanding shares of Series B Preferred Stock have been declared and paid or declared and a sum sufficient for the payment thereof has been set aside:

| • |     | no dividend will be declared or paid or set aside for payment and no distribution will be declared or made or set 
 aside for payment on any junior stock, other than:                                                                |

| • |     | a dividend payable solely in the junior stock; or |

| • |     | any dividend in connection with the implementation of a stockholders’ rights plan, or the redemption or 
 repurchase of any rights under any such plan; and                                                       |

| • |     | no shares of junior stock will be repurchased, redeemed or otherwise acquired for consideration by us, directly                                 
 or indirectly (nor will any monies be paid to or made available for a sinking fund for the redemption of any such securities by us) other than: |

| • |     | as a result of a reclassification of junior stock for or into other junior stock; |

| • |     | the exchange or conversion of one share of junior stock for or into another share of junior stock; |

| • |     | through the use of the proceeds of a substantially contemporaneous sale of other shares of junior stock; |

| • |     | purchases, redemptions or other acquisitions of shares of the junior stock in connection with any employment                                    
 contract, benefit plan or other similar arrangement with or for the benefit of current or former employees, officers, directors or consultants; |

| • |     | purchases of shares of junior stock pursuant to a contractually binding requirement to buy junior stock existing 
 prior to the preceding dividend period, including under a contractually binding