Mainova AG (DB:MNV6) acquired the remaining 37.8% stake in Erdgas Westthüringen Beteiligungsgesellschaft mbH from Gas-Union GmbH for €32.5 million on December 18, 2017. Mainova AG (DB:MNV6) completed the acquisition of remaining 37.8% stake in Erdgas Westthüringen Beteiligungsgesellschaft mbH from Gas-Union GmbH on December 18, 2017.