AES Gener S.A. (SNSE:AESGENER) agreed to acquire remaining 40% stake in Alto Maipo SpA from Los Pelambres Mining Co on January 19, 2017. As a result of the decision, AES Gener will be the project's 100% owner. The deal is subject to final approval by the lenders and shareholder approval. Will Medvei and Carole Cable of Brunswick acted as public relations advisor to Antofagasta.