Company: CMA
Filing Date: 2025-08-05
Form Type: 424B5
Source: 0001193125-25-173600
Chunk: 56

Company: COMERICA INC
Filing Date: 2025-08-05
Form: 424B5
Chunk 56
---
U.S. Holders The discussion in this section applies to you if you are a U.S. holder, which for this purpose means a beneficial owner of depositary shares who or that is, for U.S. federal income tax purposes:

| • |     | an individual who is a citizen or resident of the United States, |

| • |     | a corporation (or other entity or arrangement treated as a corporation for U.S. federal income tax purposes)        
 created or organized in or under the laws of the United States or of any state thereof or the District of Columbia, |

| • |     | an estate the income of which is subject to U.S. federal income taxation regardless of its source, or |

| • |     | a trust (a) if a court within the United States is able to exercise primary supervision over its                                                                                                                            
 administration and one or more U.S. persons have the authority to control all of its substantial decisions or (b) that has a valid election in effect under applicable Treasury regulations to be treated as a U.S. person. |

Distributions Distributions to you with respect to the depositary shares will be taxed as dividend income to the extent paid out of our current or accumulated earnings and profits for U.S. federal income tax purposes. To the extent that the amount of a distribution with respect to the depositary shares exceeds our current or accumulated earnings and profits, such distribution will be treated first as a tax-freereturn of capital to the extent of your adjusted tax basis in such depositary shares (and you will be required to reduce your tax basis (but not below zero) in such depository shares), and thereafter as capital gain, the tax treatment of which is described below under “U.S. Holders—Sale, Exchange or Certain other Taxable Dispositions.” Distributions with respect to the depositary shares taxable as dividends for U.S. federal income tax purposes paid to a noncorporate U.S. holder will generally represent “qualified dividend income,” provided that certain holding period requirements are met and certain other conditions are satisfied. Qualified dividend income is taxable at preferential rates applicable to long-term capital gains. U.S. holders should consult their own tax advisers regarding the availability of the preferential qualified dividend tax rate in light of their particular circumstances. If you are taxed as a corporation, distributions with respect to the depositary shares treated as dividends for U.S. federal income tax purposes will generally be eligible for the 50% dividends-received deduction. However, corporate shareholders may not