Merck Announces Third-Quarter 2009 Dividend

WHITEHOUSE STATION, N.J.--(Business Wire)--
The Board of Directors of Merck & Co., Inc., meeting today, declared a quarterly
dividend of $0.38 per share on the company`s common stock for the third quarter
of 2009.

The $0.38 per share dividend is payable on July 1, 2009 to stockholders of
record at the close of business on June 8, 2009.

About Merck

Merck & Co., Inc. is a global research-driven pharmaceutical company dedicated
to putting patients first. Established in 1891, Merck discovers, develops,
manufactures and markets vaccines and medicines to address unmet medical needs.
The Company devotes extensive efforts to increase access to medicines through
far-reaching programs that not only donate Merck medicines but help deliver them
to the people who need them. Merck also publishes unbiased health information as
a not-for-profit service. For more information, visit www.merck.com.

Merck & Co., Inc.
Media
Amy Rose, 908-423-6537
or
Investor
Eva Boratto, 908-423-5185

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