Company: CMA
Filing Date: 2025-08-05
Form Type: 424B5
Source: 0001193125-25-173600
Chunk: 38

Company: COMERICA INC
Filing Date: 2025-08-05
Form: 424B5
Chunk 38
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 $1,000 per share (equivalent to $25 per depositary share), plus any declared and unpaid dividends, without accumulation of any undeclared dividends. In the event the applicable redemption date is not a business day, the redemption price will be paid on the next business day without any adjustment to the amount of the redemption price paid. Redemption Following a Regulatory Capital Treatment Event We may redeem shares of the Series B Preferred Stock at any time within 90 days following a regulatory capital treatment event (defined below), in whole but not part, at a redemption price equal to $1,000 per share (equivalent to $25 per depositary share), plus any declared and unpaid dividends, without accumulation of any undeclared dividends. A “regulatory capital treatment event” means the good faith determination by Comerica that, as a result of:

| • |     | any amendment to, or change in, the laws or regulations of the United States (including, for the avoidance of                                                                                                                                       
 doubt, any agency or instrumentality of the United States, including the Federal Reserve and other federal bank regulatory agencies) or any political subdivision of or in the United States that is enacted or becomes effective after the initial 
 issuance of any share of Series B Preferred Stock;                                                                                                                                                                                                  |

| • |     | any proposed change in those laws or regulations that is announced after the initial issuance of any share of 
 Series B Preferred Stock; or                                                                                  |

| • |     | any official administrative decision or judicial decision or administrative action or other official                                                    
 pronouncement interpreting or applying those laws or regulations that is announced after the initial issuance of any share of Series B Preferred Stock, |

S-25

there is more than an insubstantial risk that Comerica will not be entitled to treat the full liquidation preference of the shares of Series B Preferred Stock then outstanding as “additional Tier 1 Capital” (or its equivalent) for purposes of the capital adequacy guidelines or regulations of the Federal Reserve (or any successor bank regulatory authority that may become our applicable federal banking agency), as then in effect and applicable, for as long as any share of Series B Preferred Stock is outstanding. Redemption Procedures If shares of the Series B Preferred Stock are to be redeemed pursuant to the terms described above under “—Optional Redemption” or “—Redemption Following a Regulatory Capital Treatment Event,” the notice of redemption will be given by first-class mail to the holders of record of the Series B Preferred Stock to be redeemed, mailed not less than 30 days nor more than