TORONTO–(BUSINESS WIRE)—- $SMT #SMT–Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or “the Company”) has filed an updated independent technical report (the “Report“) prepared in accordance with National Instrument 43-101 on the Bolivar Mine in Mexico. The Report dated September 21, 2021, with an effective date of December 31, 2019, is entitled “Updated Preliminary Economic Assessment, Bolivar Mine, Mexico”. The Report was prepared for Sierra Metals by SRK Consulting (Cana