One Annual General Meeting, four Supervisory Board meetings and one closed Supervisory Board meeting were held in 2011. During the closed meeting, the Supervisory Board reviewed and discussed in detail the previous development of the Company and the Group and used this as a basis for discussions on the future strategy of the Group. Three meetings of the Audit Committee were also held. The Committee for Urgent Matters held one meeting and was also contacted in writing with regard to two matters. The Supervisory Board was informed of any resolutions passed by the committees at the next Supervisory Board meeting. The auditor of the financial statements and consolidated financial statements, PwC INTER-TREUHAND GmbH Wirtschaftsprüfungs- und Steuerberatungsgesellschaft (PwC), attended three Audit Committee meetings and three Supervisory Board meetings, including the meeting dealing with the auditing of the annual financial statements and consolidated financial statements and the formal approval of the annual financial statements, as well as the General Meeting. In addition, two meetings of the Committee for Managing Board Matters were also held in 2011. No member of the Supervisory Board attended fewer than half of the Supervisory Board meetings.