Schering-Plough Corporation Declares Quarterly Dividends On Common Shares And Mandatory Convertible Preferred Stock

KENILWORTH, N.J., Dec. 6 /PRNewswire-FirstCall/ -- The Board of Directors of Schering-Plough Corporation today declared a quarterly dividend of 5.5 cents per common share. Payment will be made on Feb. 28, 2006, to shareholders of record at the close of business on Feb. 3, 2006. As of Sept. 30, 2005, there were 1,477,895,332 common shares outstanding.

The Board of Directors today also declared a quarterly dividend of 75 cents per share on the 6% Mandatory Convertible Preferred Stock. Payment will be made on March 15, 2006, to holders of record at the close of business on March 1, 2006. As of Sept. 30, 2005, there were 28,750,000 shares of Mandatory Convertible Preferred Stock outstanding.

Schering-Plough is a global science-based health care company with leading prescription, consumer and animal health products. Through internal research and collaborations with partners, Schering-Plough discovers, develops, manufactures and markets advanced drug therapies to meet important medical needs. Schering-Plough's vision is to earn the trust of the physicians, patients and customers served by its more than 30,000 people around the world. The company is based in Kenilworth, N.J., and its Web site is www.schering-plough.com.

CONTACT: Media, Steve Galpin, Jr., +1-908-298-7415, or, investor, AlexKelly, +1-908-298-7436, both for Schering-Plough Corporation

Web site: http://www.schering-plough.com/

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