Sierra Metals Inc. is pleased to announce that it has received the required permit to develop and mine below the 1120 level at its Yauricocha Mine in Peru. Ernesto Balarezo, Sierra Metals' CEO, stated, "We are very excited to have received the environmental permit to mine below the 1120 level at our Yauricocha Mine. As I have stated before, this permit is a game changer for Yauricocha and a key pillar to support the overall growth strategy for Sierra Metals." "The ore body below the 1120 level is vast and is expected to allow us to raise throughput rates back to full mill capacity of 3,600 tons per day, representing an increase of approximately 40% from current levels; lower operating costs given higher production volumes and less expensive mining methods; and secure Yauricocha's long-term...