Merck & Co., Inc. — Director's Dealing 2013

Feb 27, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co. Inc. (MRK)
CIK: 0000310158
Period of Report: 2013-02-25

Reporting Person: Schechter Adam H (EVP & Pres-Global Human Health)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-02-25	Common Stock	A	8136.0000	$42.5200	Acquired	15568.0000	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock - 401(k) Plan	3908.6076	Indirect
Common Stock	48092.4047	Indirect

Footnotes

F1: Distribution of net after tax shares of common stock on satisfaction of performance criteria for performance share units granted on 3/31/2010. Performance shares were paid out at 107 percent of target awards.

F2: Includes shares acquired and dividends through January 8, 2013 in the MSD Employee Savings and Security Plan, a 401(k) plan.

F3: Holdings include shares acquired in dividend reinvestment transactions.