Schering-Plough Corporation Receives Clearance From U.S. Federal Trade Commission for Planned Acquisition of Organon Biosciences N.V.

KENILWORTH, N.J., Nov. 16 /PRNewswire-FirstCall/ -- Schering-Plough Corporation today announced that it has received antitrust clearance from the U.S. Federal Trade Commission (FTC) regarding its planned acquisition of Organon BioSciences N.V. from Akzo Nobel N.V., as announced March 12, 2007.

Organon BioSciences is comprised mainly of Organon, the human pharmaceutical business, and Intervet, the animal health business. It also includes Nobilon, the human vaccine development unit, and Diosynth, the third- party manufacturing unit of Organon.

In connection with the conditional clearance, Schering-Plough and Intervet will divest three poultry vaccines in the United States. The divestitures are not material to the company's financial results. No divestitures of human health products are required.

Schering-Plough received approval from The European Commission on Oct. 11, 2007, and continues to expect the transaction to be completed by year-end 2007.

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 approximately 33,500 people around the world. The company is based in Kenilworth, N.J., and its Web site is www.schering-plough.com.

DISCLOSURE NOTICE: The information in this press release includes certain "forward-looking statements" within the meaning of the Private Securities Litigation Reform Act of 1995, including statements relating to the company's plans, future actions and expected timelines. Forward-looking statements relate to expectations or forecasts of future events. Schering-Plough does not assume the obligation to update any forward-looking statement. Many factors could cause actual results to differ materially from Schering-Plough's forward-looking statements, including obtaining regulatory approvals, inaccurate assumptions, market forces, economic factors, the regulatory process, and any developments following regulatory approval, among other uncertainties. For further details of these and other risks and uncertainties that may impact forward-looking statements, see Schering-Plough's Securities and Exchange Commission filings, including Part II, Item 1A, "Risk Factors" in the Schering-Plough's third quarter 2007 10-Q.

CONTACT: Media, Rosemarie Yancosek, +1-908-298-7476, or Investors, Alex
Kelly, +1-908-298-7436, both of Schering-Plough Corporation

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

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