Trevali Announces Preliminary Q4-2020 Production Results and Provides 2021 Production and Cost Guidance Trevali Mining Corporation is pleased to release preliminary fourth quarter and full year production results for 2020 and provide 2021 operating, capital and exploration expenditure guidance. All financial figures are in U.S. dollars. Ricus Grimbeek, Trevali’s President and CEO stated, “The company ended 2020 on solid footing and is well-positioned to take full advantage of the significant opportunities provided … Trevali Mining Corporation (“Trevali” or the “Company”) (TSX: TV) (BVL: TV) (OTCQX: TREVF) ( Frankfurt : 4TI) is pleased to release preliminary fourth quarter (“Q4”) and full year production results for 2020 and provide 2021 operating, capital and exploration expenditure guidance. All financial figures are in U.S. dollars.