Werner Wenning is on the board of Siemens AG. In the past Mr. Wenning occupied the position of Chairman-Supervisory Board at E.ON SE, Chairman-Supervisory Board of Bayer AG Managing Director at Bayer Hispania SL and Manager-Finance & Accounting at Bayer SA (Peru) (both are subsidiaries of Bayer AG), Vice President for Bundesverband der Deutschen Industrie e.V. and Vice President of Verband der Chemischen Industrie eV.