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

May 6, 2014

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co. Inc. (MRK)
CIK: 0000310158
Period of Report: 2014-05-04

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

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2014-05-04	Common Stock	M	4240.0000	$0.0000	Acquired	11998.5660	Direct
2014-05-04	Common Stock	F	1579.0000	$58.2200	Disposed	10419.5660	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-05-04	Restricted Stock Unit	$	M	4240.0000	Disposed	2014-05-04	Common Stock (4240.0000)	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.