Solitario Zinc Corp.: Solitario Reports Significant Increase in Inferred Sulfide Resources For Its Florida Canyon Zinc Project Inferred Zn-Eq sulfide-mixed-oxide resource estimate up 64% from 2017 estimate. Total contained metal - Measured and Indicated: 0.65 billion pounds Zn-Eq. Total contained metal - Inferred: 3.39 billion pounds Zn-Eq at 10.9% Zn-Eq. Total contained silver - Inferred: 5.39 million oz.; Meas. & Ind: 1.2 million oz. DENVER, CO / ACCESSWIRE / February 23, 2021 / Solitario Zinc Corp. ("Solitario") (NYSE American: XPL)(TSX: SLR) is pleased to report a significant Mineral Resource increase for its high-grade Florida Canyon zinc project in northern Peru. Solitario's joint venture partner, Nexa Resources S.A. (NYSE: NEXA; TSX: NEXA) ("Nexa"), completed a new resource estimate incorporating the results of the 2018/2019 drilling program and reinterpreting portions of the previous resource model. Solitario, through the work of an independent third-party consultant, has verified Nexa's resource estimate. Solitario will issue a new NI-43-101 compliant resource report before the end of March. Nexa is the world's fourth largest zinc miner and operates three underground zinc mines and a major zinc smelter in Peru and two zinc mines and two zinc smelters in Brazil.