Merck & Co., Inc. — Director's Dealing 2017

May 12, 2017

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co., Inc. (MRK)
CIK: 0000310158
Period of Report: 2017-05-12

Reporting Person: KIDDER C ROBERT (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2017-05-12	Common Stock	M	5000.0000	$35.1900	Acquired	14317.0000	Direct
2017-05-12	Common Stock	S	5000.0000	$63.5390	Disposed	9317.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2017-05-12	Stock Option (right to buy)	$35.1900	M	5000.0000	Disposed	2020-08-03	Common Stock (5000.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	1022.0000	Indirect

Footnotes

F1: The option became exercisable in equal installments on 8/4/2011, 8/4/2012 and 8/4/2013.