May 9, 2007
General Shareholders' Meeting
10:30 a. m., Congress Center Essen, West Entrance,
Norbertstrasse, Essen

May 15, 2007
Quarterly Report at March 31, 2007
Conference Call with Analysts and Investors

August 14, 2007 Half-Year Report at June 30, 2007
Analysts' and Investors' Conference

November 14, 2007
Fall Press Conference
Interim Report at September 30, 2007
Conference Call with Analysts and Investors

March 26, 2008
Business Results Press Conference
Analysts? and Investors' Conference

May 8, 2008
General Shareholders' Meeting
10:30 a. m., Congress Center
Norbertstrasse, Essen

May 15, 2008
Quarterly Report at March 31, 2008
Conference Call with Analysts and Investors