Dunas Energía S.A. made an offer to acquire 0.05% stake in Electro Dunas SAA for PEN 0.27 million on November 9, 2015. Dunas Energia offers to buy 0.1 million shares at PEN 2.46 per share of Electro Dunas. This offer will start on November 9, 2015 and will end on January 6, 2016. Kallpa Securities Sociedad Agente de Bolsa S.A. Kallpa Securities Sociedad Agente de Bolsa S.A. acted as intermediary in the deal.

Dunas Energía S.A. completed the acquisition of 6.1% stake in Electro Dunas SAA from Cartisa Sociedad, Juan Magot & Asociados Sociedad Agente de Bolsa S.A.C., Seminario & Cia. Sociedad Agente de Bolsa S.A. and Inteligo Sociedad Agente de Bolsa S.A. for PEN 31.9 million on January 6, 2016.