SMTS - SIERRA METALS CONFIRMS NEW HIGH-GRADE SILVER ZONE AT ITS CUSI MINE MEXICO INCLUDING 17 METERS TRUE-WIDTH OF 428 GRAMS PER TON SILVER AND PROVIDES AN OPERATIONAL UPDATE

TORONTO—June 18, 2020 - Sierra Metals Inc. (TSX: SMT) (BVL: SMT) (NYSE AMERICAN: SMTS) ("Sierra Metals" or "the Company") announces the discovery of a new high-grade silver zone with significant widths in an area called Northeast – Southwest System of Epithermal Veins and is providing a corporate update for its Cusi Mine in Mexico.The new high-grade silver vein system was discovered as a consequence of a combination of mine development work in recent months and confirmatory drilling which is reported in this press release which includes true widths of 17.45 meters of 428 g/t silver (464 g/t silver equivalent), 9.35 meters of 304 g/t silver (327 g/t silver equivalent), 8.75 meters of 303 g/t silver (322 g/t silver equivalent) and 4.90 meters of 1,140 g/t silver (1,163 g/t silver equivalent).Read More >>