Merck & Co., Inc. — Director's Dealing 2014

May 13, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co. Inc. (MRK)
CIK: 0000310158
Period of Report: 2014-05-09

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

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-05-09	Restricted Stock Unit	$	A	2576.0000	Acquired	2017-05-09	Common Stock (2576.0000)	Direct
2014-05-09	Stock Option (right to buy)	$58.2200	A	27510.0000	Acquired	2024-05-08	Common Stock (27510.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	10419.5660	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.

F3: The option vests in three equal annual installments beginning May 9, 2015.