Sierra Metals Announces Filing of NI 43-101 Technical Report for Updated PEA on the Expansion of Its Yauricocha Mine in Peru

Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (Sierra Metals or Company) has filed an updated technical report (the Report) prepared in accordance with National Instrument 43-101 on the expansion of its Yauricocha Mine in Peru.