FORM 4 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person * Guilfoile Peter William   2. Issuer Name and Ticker or Trading Symbol COMERICA INC /NEW/ [CMA] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director _____ 10% Owner __X__ Officer (give title below) _____ Other (specify below) Executive Vice President (Last) (First) (Middle) 1717 MAIN STREET 3. Date of Earliest Transaction (Month/Day/Year) 02/26/2019 (Street) DALLAS, TX 75201 4. If Amendment, Date Original Filed(Month/Day/Year) 6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person (City) (State) (Zip) Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned

1.Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4) Code V Amount (A) or (D) Price Common Stock 02/26/2019   A   10,037 (1) A $ 0 21,537 (2) D   Common Stock 02/26/2019   F   3,950 D $ 86.37 17,587 (2) D

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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)

1. Title of Derivative Security (Instr. 3)

2. Conversion or Exercise Price of Derivative Security

3. Transaction Date (Month/Day/Year)

3A. Deemed Execution Date, if any (Month/Day/Year)

4. Transaction Code (Instr. 8)

5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4, and 5)

6. Date Exercisable and Expiration Date (Month/Day/Year)

7. Title and Amount of Underlying Securities (Instr. 3 and 4)

8. Price of Derivative Security (Instr. 5)

9. Number of Derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)

10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)

11. Nature of Indirect Beneficial Ownership (Instr. 4)

Code

V

(A)

(D)

Date Exercisable

Expiration Date

Title

Amount or Number of Shares

Employee Stock Option (Right to Buy)

$ 39.1

01/25/2012(3)

01/25/2021

Common Stock

1,225

1,225

D

Employee Stock Option (Right to Buy)

$ 29.6

01/24/2013(3)

01/24/2022

Common Stock

2,750

2,750

D

Employee Stock Option (Right to Buy)

$ 33.79

01/22/2014(3)

01/22/2023

Common Stock

3,300

3,300

D

Employee Stock Option (Right to Buy)

$ 49.51

01/21/2015(3)

01/21/2024

Common Stock

1,578

1,578

D

Employee Stock Option (Right to Buy)

$ 42.32

01/27/2016(3)

01/27/2025

Common Stock

2,270

2,270

D

Employee Stock Option (Right to Buy)

$ 32.97

01/26/2017(3)

01/26/2026

Common Stock

3,515

3,515

D

Employee Stock Option (right to buy)

$ 67.66

01/24/2018(3)

01/24/2027

Common Stock

1,925

1,925

D

Employee Stock Option (right to buy)

$ 95.25

01/23/2019(3)

01/23/2028

Common Stock

1,500

1,500

D

Employee Stock Option (right to buy)

$ 80.17

01/22/2020(3)

01/22/2029

Common Stock

2,110

2,110

D

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Guilfoile Peter William 1717 MAIN STREET DALLAS, TX 75201			Executive Vice President

Signatures

/s/ Jennifer S. Perry, on behalf of Peter W. Guilfoile through Power of Attorney		02/28/2019
**Signature of Reporting Person		Date

Explanation of Responses:

*	If the form is filed by more than one reporting person, see Instruction 4(b)(v).
**	Intentional misstatements or omissions of facts constitute Federal Criminal Violations. See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
(1)	On January 26, 2016, a "target" award of 7,960 performance restricted stock units ("SELTPP units") was granted to the reporting person pursuant to Comerica Incorporated's long-term incentive plan. The SELTPP units are settled in stock and vest in one installment following certification of results for a three-year performance period. The performance period ended on December 31, 2018, and on February 26, 2019, the SELTPP units vested upon Comerica's Governance, Compensation and Nominating Committee certification that (1) performance was achieved at 126.1% based upon satisfaction of a three-year average return on common equity excluding certain nonperformance items performance goal and (2) the negative total shareholder return modifier of 10 percentage points would not be applied based upon satisfaction of a relative total shareholder return goal.
(2)	Includes shares acquired through employee stock plans, restricted stock units and shares purchased with reinvested dividends as of February 26, 2019.
(3)	The options vest in four equal annual installments (based on the original grant amount) beginning on the date indicated in this column.

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