Hecla Mining Co. announced preliminary silver and gold production results for the fourth quarter and full-year 2015 that exceeded the company's expectations. The results are due to strong performance from all three mines. In addition, the newly developed San Sebastian mine in Mexico commenced commercial production late in the fourth quarter. Hecla Reports Record Silver, Lead and Zinc Reserves INCREASES OF 11%, 5% AND 8%, RESPECTIVELY Business Wire COEUR D'ALENE, Idaho -- February 5, 2020 Hecla Mining Company (NYSE:HL) today reported For 2018, Hecla Mining Co. announced preliminary silver and gold production of 10.4 million ounces (oz) and 262,103 oz, respectively. The company's silver production fell 17% compared to 2017. The gold figure, an increase of 13% over 2017, was a new record for the company and translates to a silver equivalent production of 43.6 million oz.