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: DeLuca Richard R. (EVP&Pres, Merck Animal Health)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2014-05-09	Stock Option (right to buy)	$58.2200	A	60523.0000	Acquired	2024-05-08	Common Stock (60523.0000)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - 401(k) Plan	587.8153	Indirect

Footnotes

F1: Includes shares acquired and dividends earned through April 7, 2014, in the Merck U.S. Savings Plan, a 401(k) plan.

F2: The option vests in three equal annual installments beginning May 9, 2015.