Company: CMA
Filing Date: 2025-08-05
Form Type: 424B5
Source: 0001193125-25-173600
Chunk: 103

Company: COMERICA INC
Filing Date: 2025-08-05
Form: 424B5
Chunk 103
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| • |     | the anti-dilution provisions of the stock warrants; and |

| • |     | any other terms of the stock warrants. |

The shares of Common Stock or preferred stock issuable upon exercise of the stock warrants will, when issued in accordance with the stock warrant agreement, be fully paid and non-assessable.This means that the shares will be paid for in full at the time they are issued, and, once they are paid for in full, there will be no further liability for further assessments or taxation. Exercise of Stock Warrants You may exercise your stock warrants by surrendering to the stock warrant agent your stock warrant certificate with the form of election to purchase on the reverse of the certificate properly completed and executed by you, or your authorized agent, which signature must be guaranteed by a bank or trust company, by a broker or dealer which is a member of the Financial Industry Regulatory Authority, Inc. (“FINRA”) or by a member of a national securities exchange. You must indicate on the form of election whether you are electing to exercise all or a portion of the stock warrants evidenced by the certificate. You must also submit a payment of the aggregate exercise price of the stock warrants to be exercised in lawful money of the United States along with your stock warrant certificates, unless otherwise set forth in the applicable prospectus supplement. Upon receipt of the stock warrant certificate, form of election and aggregate payment, if applicable, by the stock warrant agent, the stock warrant agent will requisition from the transfer agent for the Common Stock or the preferred stocks, as the case may be, a certificate representing the number of shares of Common Stock or preferred stocks purchased for issuance and delivery to you or upon your written order. If you exercise less than all of the stock warrants evidenced by any stock warrant certificate, the stock warrant agent shall deliver to you a new stock warrant certificate representing your unexercised stock warrants. Anti-Dilution and Other Provisions The exercise price payable, the number of shares of Common Stock or preferred stock purchasable upon the exercise of each stock warrant, and the number of stock warrants outstanding are subject to adjustment if specified events occur. These events include:

| • |     | the issuance of a stock dividend to holders of shares of Common Stock or preferred stock; and |

| • |     | a combination, subdivision or reclassification of Common Stock or preferred stock. |

18

In lieu of adjusting the number of shares of Common Stock or preferred stock purchasable upon exercise of each stock warrant, Comer