Hecla Mining (HL) Reports FY Production of 12.5 Million Ounces of Silver and 232,685 Ounces of Gold

Hecla Mining Company (NYSE:HL) today announced preliminary silver and gold production results¹ for the fourth quarter and full year 2017.

2017 HIGHLIGHTS

• Silver production of 12.5 million ounces, the second highest behind the record achieved in 2016, and gold production of 232,685 ounces, the third highest in Company history.
• Silver equivalent production of 40.9 million ounces and gold equivalent production of 554,843 ounces.2
• Lead production of 22,734 tons; zinc production of 55,109 tons.
• Gold production at Casa Berardi highest since its acquisition.
• Cash, cash equivalents and short-term investments of approximately $219 million at December 31, 2017, an increase of about $20 million over December 31, 2016.

“Our mines finished the year strongly, with Greens Creek exceeding our estimates again this year and Casa Berardi and San Sebastian performing at the upper end of our estimates, generating the second highest annual silver production and third highest gold production in our 126-year history,” said Phillips S. Baker, Jr., Hecla’s President and CEO. “Their performance is a result of the focus on increasing throughput, with Greens Creek and Casa Berardi both achieving records. Although annual silver production has declined from 2016 as a result of the strike at the Lucky Friday, two things about 2017 stand out. First, silver production was better than any other year in our history except last year. Second, our cash position increased $20 million, reflecting what a good year it was for Hecla. We are well-positioned for 2018.”

Greens Creek

At the Greens Creek mine in 2017, 8.4 million ounces of silver and 50,855 ounces of gold were produced. For the fourth quarter, 2.1 million ounces of silver and 11,565 ounces of gold were produced. Lower silver and gold production, when compared to 2016, was due to the expected lower grades but the silver production still exceeded our estimates. The mill operated at an average of 2,300 tons per day (tpd) in 2017, a record which is about 15% greater than the throughput when we became the operator in 2008.

Lucky Friday

At the Lucky Friday mine, 838,657 ounces and 69,578 ounces of silver were produced for the year and the fourth quarter, respectively. Production in each timeframe is lower as compared to 2016 due to the ongoing strike by unionized employees. Limited production and capital improvements, performed by salaried staff, and limited shipments of concentrate occurred in the fourth quarter. To access the Lucky Friday Labor Negotiations Q&A on the Company’s website, click on the following link http://luckyfriday.hecla-mining.com.

Casa Berardi

At the Casa Berardi mine in 2017, 156,653 ounces of gold were produced, including 37,922 ounces from the East Mine Crown Pillar pit. For the fourth quarter, 43,444 ounces of gold were produced including 12,333 ounces from the East Mine Crown Pillar pit. The mine produced as expected, with an increase of eleven thousand ounces compared to 2016. The mill operated at an average of 3,551 tpd in 2017, 825 tpd more than 2016 and about 1,350 tpd more than at acquisition.

San Sebastian

At the San Sebastian mine in 2017, 3.3 million ounces of silver and 25,177 ounces of gold were produced. For the fourth quarter, 759,100 ounces of silver and 5,955 ounces of gold were produced. Although silver and gold production as compared to 2016 were lower, both still exceeded our estimates for the year. The mill operated at an average of 395 tpd in 2017.

PRODUCTION SUMMARY

ABOUT HECLA

Founded in 1891, Hecla Mining Company (NYSE:HL) is a leading low-cost U.S. silver producer with operating mines in Alaska, Idaho and Mexico, and is a growing gold producer with an operating mine in Quebec, Canada. The Company also has exploration and pre-development properties in seven world-class silver and gold mining districts in the U.S., Canada, and Mexico, and an exploration office and investments in early-stage silver exploration projects in Canada.

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