October 08, 2014

Professor Otmar D. Wiestler appointed to the Supervisory Board of Bayer AG

Dr. Klaus Kleinfeld concentrating on other offices and honorary posts, some in the USA

Leverkusen, October 8, 2014 - The Local Court of Cologne has appointed Professor Otmar D. Wiestler (57) to the Supervisory Board of Bayer AG. He replaces Dr. Klaus Kleinfeld (56), who left the Supervisory Board at his own request effective September 30, 2014, in order to concentrate on his other offices and honorary posts, some of which are in the United States. "We would like to thank Mr. Kleinfeld for our very successful and trusting cooperation. In Professor Wiestler we have found a competent successor with extensive scientific expertise," said Werner Wenning, Chairman of the Supervisory Board of Bayer AG.

Since January 1, 2004, Wiestler has been Chairman of the Management Board and Scientific Director of the German Cancer Research Center (DKFZ) in Heidelberg, Germany. Also since 2004 he has been Chairman of the Advisory Committee and a member of the board of German Cancer Aid. From 2007 to 2012, he was a Vice-President in the Executive Committee of the Helmholtz Association.

Dr. Klaus KleinfeldKleinfeld has been Chief Executive Officer of U.S. metals and technology company Alcoa Inc. since May 2008. He joined the Supervisory Board of Bayer AG on April 29, 2005.

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