Bayer AG Press Conference on the "Bayer Climate Program" on November 19, 2007

On November 19, 2007 Bayer AG will hold a Press Conference in Leverkusen to introduce the "Bayer Climate Program". The speeches given by Werner Wenning, Chairman of the Board of Management of Bayer AG, and Wolfgang Plischke, member of the Board of Management of Bayer AG, and the subsequent discussion will be broadcasted live on the Internet starting at approx. 10:30 a.m. CET (9:30 a.m. GMT): A recording of the conference will be available at approx. 3:00 p.m. CET (2:00 p.m. GMT). Further information on the "Bayer Climate Program" will be accessible on the Internet from 10:30 a.m. CET (9:30 a.m. GMT) on November 19, 2007 at: Bayer AG Communications 51368 Leverkusen If you have any questions, please contact: Dirk Frenzel Communications Corporate Policy and Media Relations Tel.: +49 214 30 29908 Fax: +49 214 30 58923 E-Mail: --- End of Message --- Bayer AG Gebäude W 11 Leverkusen WKN: 575200; ISIN: DE0005752000; Index: CDAX, DAX, HDAX, Prime All Share; Listed: Amtlicher Markt in Frankfurter Wertpapierbörse, Prime Standard in Frankfurter Wertpapierbörse, Amtlicher Markt in Börse Berlin, Amtlicher Markt in Börse Düsseldorf, Amtlicher Markt in Hanseatische Wertpapierbörse zu Hamburg, Amtlicher Markt in Niedersächsische Börse zu Hannover, Amtlicher Markt in Bayerische Börse München, Amtlicher Markt in Börse Stuttgart;