The members of the Board of Management are appointed and replaced in accordance with the relevant legal provisions (Sections 84 and 85 of the Aktiengesetz (AktG – German stock corporation act), Section 31 of the Mitbestimmungsgesetz (MitbestG – German co-determination act)). In accordance with Section 84 of the AktG and Section 31 of the MitbestG, appointments by the Supervisory Board shall be for a maximum term of five years. Re-appointment or extension of the term of office, for a maximum of five years in each case, is permitted. Article 6 of the Articles of Association stipulates that the Board of Management must have at least two members. Beyond that, the number of Board members is determined by the Supervisory Board, which may also appoint a chairman and deputy chairman of the Board of Management. Details of changes on the Board of Management during the year under review are reported in Business activities and organisation.