4 ) Evonik Resource Efficiency GmbH (since July 1, 2015•) Evonik Performance Materials GmbH (since July 1, 2015 *) Pensionskasse Degussa VVaG b) Advanced Metallurgical Group ■, Amsterdam (Netherlands) (until May 7, 2015) The following gentleman left the Executive Board in 2015: Patrik Wohlhauser, Kelkheim (until June