The Bundeskartellamt (German Federal Cartel Authority) cleared on 5 April 2018 the acquisition of all shares in Portland Zementwerke Seibel & Söhne GmbH & Co. KG by Dyckerhoff GmbH.
Seibel & Söhne is operating a cement plant in Erwitte, North Rhine-Westphalia. Dyckerhoff is represented in the region with two cement plants, in Geseke and in Lengerich. The completion of the transfer of shares will become effective within the next days.