Omegia S.A. acquired an additional 51.98% stake in Zastal S.A. (WSE:ZST) on February 13, 2018. Under the terms of the agreement, Omegia increased its stake in Zastal from 3.97% to 55.95%. Omegia S.A. completed the acquisition of an additional 51.98% stake in Zastal S.A. (WSE:ZST) on February 13, 2018.