Cumbres Andinas SA announced that it will raise $300 million in equity financing from existing investor Minsur SA on June 5, 2012. The company will issue common stock to the investor pursuant to the transaction. Upon closing of the transaction, Minsur SA will hold 99.96% stake in the company. On June 11, 2012, Cumbres Andinas SA closed the transaction. The company has received additional $100 million in investment from Minsur SA.