INDUSTRIES Executive Board of Evonik Industries AG Dr. Klaus Engel, Mulheirn an der Ruhr Chairman of the Executive Board a) NATIONAL-BANK AG b) Borussia Dortmund Geschaftsfahrungs-GmbH Dr. Ralph Sven Kaufmann, Dusseldorf (since July 1, 2015) Responsible for the Nutrition & Care, Resource Efficiency and Performance Materials segm