Press Release

Bayer Corporation Launches World Environment Day 2010 Web Site

PITTSBURGH, March 11, 2010 — A new Web site launched today, www.bayerpittsburghwed.com, describes Bayer Corporation's commitment to World Environment Day on June 5.

The United Nations created World Environment Day in 1972 to spark environmental awareness and action. It's one of the world's largest annual events of its kind. Pittsburgh, home to Bayer's North American headquarters, will host this year's event. Bayer's new Web site describes its environmental commitment worldwide and describes the company's local environmental programs. It features a Twitter news feed and a multimedia room with news releases, videos and historical photos. World Environment Day is part of the United Nations Environment Programme (UNEP). Bayer supports UNEP worldwide.

About Bayer Corporation
Bayer Corporation, headquartered in Pittsburgh, is a subsidiary of Bayer AG, an international health care, nutrition and high-tech materials group based in Leverkusen, Germany. The company's products and services are designed to benefit people and improve their quality of life. At the same time Bayer creates value through innovation, growth and high earning power. The Corporation is committed to the principles of sustainable development and to its role as a socially and ethically responsible corporate citizen. Economy, ecology and social responsibility are corporate policy objectives of equal rank. In North America, Bayer had 2009 net sales of approximately 7.7 billion euros (about $10.7 billion) and employed 16,300 at year end. For more information, go to www.bayerus.com.

Contact:
Bryan Iams
Phone: (412) 777-5200
E-mail bryan.iams.b@bayer.com