# EDGAR Filing Document

**Accession Number:** 0000028412
**File Stem:** 0000028412-23-000143
**Filing Date:** 2023-3
**Character Count:** 2401
**Document Hash:** 1f9503fac7dbcd731425fd1316f8c98f
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0000028412-23-000143.hdr.sgml**: 20230313

**ACCESSION NUMBER**: 0000028412-23-000143

**CONFORMED SUBMISSION TYPE**: DEFA14A

**PUBLIC DOCUMENT COUNT**: 3

**FILED AS OF DATE**: 20230313

**DATE AS OF CHANGE**: 20230313

**FILER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** COMERICA INC /NEW/
- **CENTRAL INDEX KEY:** 0000028412
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATIONAL COMMERCIAL BANKS [6021]
- **IRS NUMBER:** 000006021
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**FILING VALUES:**
- **FORM TYPE:** DEFA14A
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-10706
- **FILM NUMBER:** 23727671

**BUSINESS ADDRESS:**
- **STREET 1:** 1717 MAIN STREET MC6404
- **STREET 2:** ATTN: KELLY GAGE
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201
- **BUSINESS PHONE:** 214-462-6831

**MAIL ADDRESS:**
- **STREET 1:** 1717 MAIN STREET MC6404
- **STREET 2:** ATTN: KELLY GAGE
- **CITY:** DALLAS
- **STATE:** TX
- **ZIP:** 75201

**FORMER COMPANY:**
- **FORMER CONFORMED NAME:** DETROITBANK CORP
- **DATE OF NAME CHANGE:** 19850311

**UNITED STATES**

**SECURITIES AND EXCHANGE COMMISSION**

**WASHINGTON, D.C. 20549**

**SCHEDULE 14A INFORMATION**

**Proxy Statement Pursuant to Section 14(a) of the<br>Securities Exchange Act of 1934**

Filed by the Registrant **☒** Filed by a Party other than the Registrant **☐**

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| | |
|:---|:---|
| Check the appropriate box: | Check the appropriate box: |
| **☐** | Preliminary Proxy Statement |
| **☐** | **Confidential, for Use of the Commission Only (as permitted by Rule 14a-6(e)(2))** |
| **☐** | Definitive Proxy Statement |
| **☒** | Definitive Additional Materials |
| **☐** | Soliciting Material under §240.14a-12 |

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**Comerica Incorporated**

**(Name of Registrant as Specified In Its Charter)**

**(Name of Person(s) Filing Proxy Statement, if other than the Registrant)**

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| | |
|:---|:---|
| Payment of Filing Fee (Check all boxes that apply): | Payment of Filing Fee (Check all boxes that apply): |
| **☒** | No fee required |
| **☐** | Fee paid previously with preliminary materials |
| **☐** | Fee computed on table in exhibit required by Item 25(b) per Exchange Act Rules 14a-6(i)(1) and 0-11 |

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![a03qk5b_comericaxnoticex02.jpg](a03qk5b_comericaxnoticex02.jpg)

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![a03qk5b_comericaxnoticex02a.jpg](a03qk5b_comericaxnoticex02a.jpg)

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