Enaex S.A. (SNSE:ENAEX) offered to acquire the remaining 50% stake in Xion I Participações S.A. from Exsa S.A. (BVL:EXSAI1) for $70 million on May 5, 2015. The deal is subject to shareholders approval of Exsa. Deal is subject to approval of shareholders of Exca. Deal was approved by Exsa's Board on May 8, 2015.

Enaex S.A. (SNSE:ENAEX) completed the acquisition of the remaining 50% stake in Xion I Participações S.A. from Exsa S.A. (BVL:EXSAI1) on May 12, 2015. The transaction was approved by the shareholders of Exsa.