(in German)
July 1 – September 30, 2018
January 1 – June 30, 2018
June 14th 2018
June 11th 2018
June 7th 2018
January 1 – March 31, 2018
Oberhausen, Germany, April 19, 2018
March 2018
20.03.2018
12.03.2018
12.03.2018
Presentation
Press release
Ad hoc disclosure in accordance with article 17 of MAR