Schering-Plough Schedules Webcast For Annual Meeting of Shareholders

KENILWORTH, N.J., May 11 /PRNewswire-FirstCall/ -- Schering-Plough Corporation
(NYSE: SGP) will hold its Annual Meeting of Shareholders on Monday, May 18,
2009, in Chicago at 7:30 a.m. (CDT) (8:30 a.m. EDT). On that day, a live
Webcast of the meeting will be available to all interested parties via the
corporate Web site, www.schering-plough.com.

At the Annual Meeting, Fred Hassan, chairman and CEO, will report to
shareholders on the company's performance and progress.

The proposed combination with Merck & Co., Inc., is not on the agenda for the
Annual Meeting. However, shareholders of Schering-Plough and of Merck will
have an opportunity to vote to approve the proposed combination at Special
Meetings of Shareholders, anticipated to be held by each company later this
year.

Those wishing to listen live to the Webcast of the Annual Meeting should go to
the Investor Relations section of the Schering-Plough corporate Web site,
www.schering-plough.com, and click on the "Presentations/Webcasts" link. A
replay of the Webcast will be available via the Web site later that day.

Schering-Plough is an innovation-driven, science-centered global health care
company. Through its own biopharmaceutical research and collaborations with
partners, Schering-Plough creates therapies that help save and improve lives
around the world. The company applies its research-and-development platform
to human prescription, animal health and consumer health care products.
Schering-Plough's vision is to "Earn Trust, Every Day" with the doctors,
patients, customers and other stakeholders served by its colleagues around the
world. The company is based in Kenilworth, N.J., and its Web site is
www.schering-plough.com.

SOURCE Schering-Plough Corporation

Media, Fred Malley, +1-908-298-7428, or Investors, Janet M. Barth or Joe
Romanelli, both at +1-908-298-7436