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

May 15, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co. Inc. (MRK)
CIK: 0000310158
Period of Report: 2013-05-13

Reporting Person: Heller Bridgette P (Exe.VP & Pres.Con.Hlth.Care)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-13	Common Stock	S	5404.0000	$46.1508	Disposed	21706.7040	Direct

Footnotes

F1: Holdings include shares acquired in dividend reinvestment transactions.