Merck & Co., Inc. — Director's Dealing 2010

Jan 4, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co. Inc. (MRK)
CIK: 0000310158
Period of Report: 2009-12-31

Reporting Person: TATLOCK ANNE M (Director)

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2009-12-31	Phantom Stock	$0	A	814.1762	Acquired		Common Stock (814.1762)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Common Stock	400	Direct
Common Stock	695.9613	Indirect

Footnotes

F1: 1-for-1

F2: Phantom stock units are to be settled 100% in cash upon reporting person's termination of service in accordance with a distribution schedule elected pursuant to the terms of the Plan for Deferred Payment of Directors' Compensation.

F3: Holdings include shares acquired in dividend reinvestment transactions.