Merck & Co., Inc. — Director's Dealing 2022

May 5, 2022

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co., Inc. (MRK)
CIK: 0000310158
Period of Report: 2022-05-03

Reporting Person: Litchfield Caroline (EVP & CFO)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2022-05-03	Stock Option (Right to Buy)	$87.10	A	53398	Acquired	2032-05-02	Common Stock (53398)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	27426.2881	Direct

Footnotes

F1: Holdings include shares acquired in dividend reinvestment transactions.

F2: The option vests and becomes exercisable in equal installments on 5/3/2023, 5/3/2024 and 5/3/2025.