Press release content from Business Wire. The AP news staff was not involved in its creation. Sierra Metals Reports First Quarter 2021 Production Results April 16, 2021 GMT Image 1: Yauricocha Mine, Chumpe Plant Flotation Cells (Photo: Business Wire) TORONTO--(BUSINESS WIRE)--Apr 16, 2021-- Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) (“Sierra Metals” or “the Company”) announces first quarter 2021 production results featuring 4.5% growth of consolidated ore throughput. ADVERTISEMENT Image 1: Yauricocha Mine, Chumpe Plant Flotation Cells (Photo: Business Wire) Results are from Sierra Metals’ three underground mines in Latin America: The Yauricocha polymetallic mine in Peru, and the Bolivar copper and Cusi silver mines in Mexico.