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

Nov 18, 2010

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Merck & Co. Inc. (MRK)
CIK: 0000310158
Period of Report: 2010-11-17

Reporting Person: REPRESAS CARLOS E (Director)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2010-11-17	Common Stock	M	1666.0000	$24.3000	Acquired	3166.0000	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2010-11-17	Stock Option (right to buy)	$24.3000	M	1666.0000	Disposed	2019-04-30	Common Stock (1666.0000)	Direct

Footnotes

F1: The option vests in three equal annual installments beginning May 1, 2010.