Company: CMA
Filing Date: 2025-08-05
Form Type: 424B5
Source: 0001193125-25-173600
Chunk: 30

Company: COMERICA INC
Filing Date: 2025-08-05
Form: 424B5
Chunk 30
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:--------------------|-------:|:--|:----|:------------|-------:|:--|
|                                                                                          |     | Actual              |        |   |     | As adjusted |        |   |
|                                                                                          |     | -in millions)       
 (unaudited          |        |   |     |             |        |   |
| Medium- and long-term debt                                                               |     |                     |        |   |     |             |        |   |
| Total medium- and long-term debt                                                         |     | $                   |  5,762 |   |     | $           |  5,762 |   |
| Shareholders’ Equity                                                                     |     |                     |        |   |     |             |        |   |
| Common stock, $5 par value                                                               |     |                     |  1,141 |   |     |             |  1,141 |   |
| Series B Preferred Stock, no par value (no shares issued (actual) and 400,000 issued (as 
 adjusted))                                                                               |     |                     |      — |   |     |             |    392 |   |
| Capital surplus                                                                          |     |                     |  2,199 |   |     |             |  2,199 |   |
| Accumulated other comprehensive loss                                                     |     |                     | (2,499 | ) |     |             | (2,499 | ) |
| Retained earnings                                                                        |     |                     | 12,185 |   |     |             | 12,185 |   |
| Less cost of common stock in treasury                                                    |     |                     | (6,166 | ) |     |             | (6,166 | ) |
| Total shareholders’ equity                                                               |     |                     |  6,860 |   |     |             |  7,252 |   |
| Total capitalization                                                                     |     | $                   | 12,622 |   |     | $           | 13,014 |   |

S-20

DESCRIPTION OF THE SERIES B PREFERRED STOCK

The depositary will be the sole holder of the Series B Preferred Stock, as described under “Description of Depositary Shares” below,
and all references in this prospectus supplement to the holders of the Series B Preferred Stock will mean the depositary. However, the holders of depositary shares will be entitled, through the depositary, to exercise the rights and preferences of
the holders of the Series B