Bayer AG CEO Baumann and supervisory board chairman Wenning pose before the company's AGM in Bonn
Werner Baumann, CEO of German pharmaceutical and chemical maker Bayer AG, and Werner Wenning (R), chairman of Bayer's supervisory board, pose in front of the company's logo before the annual general shareholders meeting in Bonn, Germany, April 28, 2017. REUTERS/Wolfgang Rattay