Bayer CropScience AG Appeals One of Its Cases Against Dow AgroSciences LLC

RESEARCH TRIANGLE PARK, N.C. (Sept. 28, 2012) – The U.S. District Court for the District of Delaware issued a decision on September 27 finding non-infringement of BAYER’s patent on 2,4-D herbicide resistance technology by Dow AgroSciences’ (DAS) ENLIST products.

Bayer strongly disagrees with the Court’s reasoning and has filed an appeal. This patent is one of 12 Bayer patents asserted against DAS’s herbicide tolerance products.

About Bayer CropScience

Bayer is a global enterprise with core competencies in the fields of health care, agriculture and high-tech materials. Bayer CropScience, the subgroup of Bayer AG responsible for the agricultural business, has annual sales of EUR 7.255 billion (2011) and is one of the world’s leading innovative crop science companies in the areas of seeds, crop protection and non-agricultural pest control. The company offers an outstanding range of products including high value seeds, innovative crop protection solutions based on chemical and biological modes of action as well as an extensive service backup for modern, sustainable agriculture. In the area of non-agricultural applications, Bayer CropScience has a broad portfolio of products and services to control pests from home and garden to forestry applications. The company has a global workforce of 21,000 and is represented in more than 120 countries. This and further news is available at: www.press.bayercropscience.com.

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Contact:

Bayer CropScience Media Hotline, 1-877-879-6162, or

Beth Roden

Director of Communications & Bayer CropScience NA Coordinator

Bayer CropScience

Tel: (919) 549-2030

Email: beth.roden@bayer.com

Tom Donahue

Porter Novelli

Tel: (404) 995-4539

Email: tom.donahue@porternovelli.com

Find more information at www.bayercropscience.us.

Forward-Looking Statements

This release may contain forward-looking statements based on current assumptions and forecasts made by Bayer Group or subgroup management. Various known and unknown risks, uncertainties and other factors could lead to material differences between the actual future results, financial situation, development or performance of the company and the estimates given here. These factors include those discussed in Bayer’s public reports which are available on the Bayer website at www.bayer.com. The company assumes no liability whatsoever to update these forward-looking statements or to conform them to future events or developments.

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