The Commissioning of the Toromocho Project Commenced

The commissioning of the Toromocho Project was commenced on 10 December, 2013,which marked the reaching of initial production stage of the Toromocho Project. Mr. Ollanta Humala, President of the Republic of Peru, and Dr. Xiong Weiping, Chairman of Aluminum Corporation of China and Chinalco Mining Corporation International, were both present at the ceremony held in the concentrator plant to celebrate this event on that day.

The Company currently estimates that the Toromocho Project remains on schedule for reaching full production capacity in the third quarter of 2014.