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

May 8, 2019

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co., Inc. (MRK)
CIK: 0000310158
Period of Report: 2019-05-03

Reporting Person: Chattopadhyay Sanat (Exe V-P & Pres. MMD)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2019-05-03	Stock Option (right to buy)	$80.0000	A	64922.0000	Acquired	2029-05-02	Common Stock (64922.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	61847.0800	Direct

Footnotes

F1: Holdings include shares acquired in dividend reinvestment transactions.

F2: The option vests and becomes exercisable in three equal installments on 5/3/2020, 5/3/2021 and 5/3/2022.