Merck & Co., Inc.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 fourth quarter of 2007. The $0.38 per share dividend is payable on Oct. 1, 2007 to stockholders of record at the close of business on Sept. 7, 2007.

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.