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Sierra Metals Announces Positive Updated PEA on the Expansion at Its Yauricocha Mine in Peru

Sierra Metals Inc. (TSX:SMT) (BVL: SMT) (NYSE:SMTS) ("Sierra Metals" or "the Company") is pleased to report the results of the updated Preliminary Economic Analysis ("PEA") for the expansion at its Yauricocha Mine operation, located in Yauyos Province i