COMERICA INC — Director's Dealing 2017

May 2, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: COMERICA INC /NEW/ (CMA)
CIK: 0000028412
Period of Report: 2017-04-28

Reporting Person: RITCHIE MICHAEL T (Executive Vice President)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-04-28	Common Stock	S	2500	$70.861	Disposed	19493	Direct

Holdings (Derivative)

Security	Exercise Price	Expiration	Underlying	Shares	Ownership
Employee Stock Option (right to buy)	$33.79	2023-01-22	Common Stock (2000)	2000	Direct
Employee Stock Option (right to buy)	$49.51	2024-01-21	Common Stock (2592)	2592	Direct
Employee Stock Option (right to buy)	$42.32	2025-01-27	Common Stock (3060)	3060	Direct
Employee Stock Option (right to buy)	$32.97	2026-01-26	Common Stock (4265)	4265	Direct
Employee Stock Option (right to buy)	$67.66	2027-01-24	Common Stock (2210)	2210	Direct

Footnotes

F1: Includes shares acquired through employee stock plans, shares purchased with reinvested dividends and stock units held pursuant to a deferred compensation plan as of April 28, 2017.

F2: The options vest in four equal annual installments (based on the original grant amount) beginning on the date indicated in this column.