Hochtief AG announced the resignation of Dr. Eggert Voscherau as member of the Supervisory Board with effect from June 30, 2012. The step is being taken for personal reasons. The Supervisory Board has proposed to the Essen District Court that Ms. Christine Wolff (51) be appointed as his successor. Ms. Wolff most recently held the position of Senior Vice President, Managing Director Europe and Middle East (EMEA) at the URS Corporation.