Merck & Co., Inc. — Director's Dealing 2019

May 13, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co., Inc. (MRK)
CIK: 0000310158
Period of Report: 2019-05-10

Reporting Person: Karachun Rita A (Sr. VP Fince-Global Controller)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2019-05-10	Common Stock	M	3292.0000	$0.0000	Acquired	22411.9720	Direct
2019-05-10	Common Stock	F	1622.0000	$78.33	Disposed	20789.9720	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-05-10	Restricted Stock Unit	$	M	3292.0000	Disposed	2019-05-10	Common Stock (3292.0000)	Direct

Footnotes

F1: Holdings include shares acquired in dividend reinvestment transactions.

F2: Each restricted stock unit represents a contingent right to receive one share of Merck & Co., Inc. common stock.