rman of the Supervisory Board Chairman of the Executive Board of RAG-Stiftung a) Borussia Dortmund GmbH & Co. KGaA RAG Aktiengesellschaft (Chair) RAG Deutsche Steinkohle AG (Chair) b) Contilia GmbH Stadler Rail AG, Bussnang (Switzerland) Michael Vassiliadis, Hanover Deputy Chairman of the Supervisory Board Chairman