Merck & Co., Inc. — Director's Dealing 2020

May 7, 2020

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co., Inc. (MRK)
CIK: 0000310158
Period of Report: 2020-05-07

Reporting Person: BRUN LESLIE A (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2020-05-07	Common Stock	M	5000	—	Acquired	6948	Direct
2020-05-07	Common Stock	S	5000	$75.46	Disposed	1948	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2020-05-07	Stock Option (Right to Buy)	$35.19	M	5000	Disposed	2020-08-03	Common Stock (5000)	Direct

Footnotes

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