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two company employees

The Fire Creek mine is an underground gold and silver mine located in Lander County, Nevada. Hecla Mining Company acquired the mine in July 2018. Production at Fire Creek was suspended in the second quarter of 2021, and the mine has since been on care and maintenance. The site is incurring ongoing costs pending sufficient exploration success and development to justify a restart of operations. As of 2024, the workforce at the mine consists of two company employees. Fire Creek is part of Hecla's Nevada portfolio, which is undergoing a strategic review and reassessment for priority reranking in 2025. The company is considering a potential restart of the Fire Creek asset in approximately five years, which would be preceded by additional exploration, investment, and permitting work. Historically, the first gold was poured at Fire Creek in November 1981, with plans for full-scale production in 1982 before being suspended due to economic conditions. The mine saw intermittent exploration and small-scale production, including heap leaching, throughout the 1980s. In May 2020, Hecla Mining announced an agreement with Nevada Gold Mines to process a 30,000-ton bulk sample of Fire Creek's refractory ore to test larger-scale long-hole stoping and establish recovery rates.

Production overview - 2017: gold 107143 oz, silver 72283 oz; 2016: gold 101286 oz, silver 80593 oz.

Historically, the mine saw intermittent exploration and small-scale production, including heap leaching, throughout the 1980s. In May 2020, Hecla Mining announced an agreement with Nevada Gold Mines to process a 30,000-ton bulk sample of Fire Creek's refractory ore to test larger-scale long-hole stoping and establish recovery rates.

The company is considering a potential restart of the Fire Creek asset in approximately five years, which would be preceded by additional exploration, investment, and permitting work.

over 2,000 (including employees) attended the opening ceremony in November 2025

The Platreef Project, operated by Ivanhoe Mines, transitioned to production with first concentrate produced in November 2025. Ivanhoe Mines holds a 64% interest in the project.

Phase 1 ramping up 770,000 tpa concentrator in late 2025. Shaft #3 commissioning in April 2026 to increase total hoisting capacity to 5 Mtpa. Phase 2 targets 4.1 Mtpa processing capacity and 450,000-460,000 oz 3PE+Au, plus over 30 Mlbs nickel and copper. Phase 3 aims for 10.7 Mtpa processing and over 1 Moz 3PE+Au, plus approximately 22,000 tonnes nickel and 13,000 tonnes copper.

mill/flotation process to produce a concentrate

Phase 2 expansion is underway, targeting 4.1 Mtpa processing capacity and increased production by Q4 2027. A future Phase 3 expansion to 10.7 Mtpa is being assessed.

The Kinskuch property is located in the Golden Triangle of northwestern British Columbia. It is now part of Dolly Varden's larger Kitsault Valley Project, which covers approximately 77,000 hectares. The acquisition connected the Kitsault Valley, Big Bulk, and Kinskuch projects into a consolidated, district-scale land package. The property is considered underexplored but prospective for silver, gold, and copper mineralisation, situated within the favourable Jurassic-age Hazelton Group volcanic rocks. The addition of the Kinskuch property adds the Illiance trend to Dolly Varden's existing Kitsault Valley trend. The property has a renewed five-year Exploration Permit covering both Nisga'a and Gitanyow Traditional Lands.

Since the acquisition, the Kinskuch property has been integrated into the broader exploration strategy for the Kitsault Valley Project. In 2025, Dolly Varden conducted a significant diamond drilling program across the Kitsault Valley Project, which was expanded from 35,000 metres to over 56,000 metres. While specific drilling targets on the Kinskuch property itself are not detailed in recent announcements, the overall program is focused on resource expansion and exploring new mineralised zones. The Big Bulk property, which is prospective for copper-gold porphyry mineralisation, trends south onto the Kinskuch Project.

As of 2024, Hecla Greens Creek Mining Company employed approximately 512 people.

Production overview - 2025: silver 8700000 oz, gold 59349 oz; 2024: silver 8500000 oz, gold 55275 oz.

The mine uses a conventional flotation concentrator that produces a gravity gold concentrate, a silver concentrate, a zinc concentrate, and a precious metals concentrate. The ore is ground and processed by flotation to produce concentrates of lead and zinc with smaller amounts of silver and gold.

The Greens Creek Surface Exploration Project completed its federal permitting in January 2026, allowing for surface exploration to identify new mineral deposits. In 2024, 46% of tailings were reused as backfill. The company is also studying the potential for recovering and re-processing critical minerals from the mine's tailings, which include silver, gold, zinc, lead, copper, nickel, arsenic, barium, bismuth, cadmium, chromium, gallium, germanium, manganese, and vanadium.

The Forrestania Operation, previously a nickel mine operated by IGO Limited, was sold to Medallion Metals Limited on 2 March 2026 and renamed the Forrestania Gold Project. Production ceased in September 2024, and it is now on care and maintenance. Medallion plans to repurpose the Cosmic Boy processing plant for regional gold and copper assets. IGO retained nickel and lithium exploration rights and a 1.5% net smelter return royalty on future gold production.

Cosmic Boy processing plant

The project is supported by existing infrastructure, including a 600-t/d mill.

Hecla Mining's wholly-owned subsidiary, Klondex Aurora Mine Inc., has received a Finding of No Significant Impact and a Decision Notice from the U.S. Forest Service for the Polaris Exploration Project. This clears the way for exploration activities to commence in 2026. The 2026 exploration program will test multiple epithermal vein systems. Near-surface targets include Martinez, Juniata and Ann, while deeper preserved systems at Brawley Peak, Sawtooth Ridge and Polaris will also be drilled. Over the past three years, Hecla has consolidated land positions, compiled historical datasets and refined district-scale structural and geochemical models to define new targets.

The 2020 Preliminary Economic Assessment for the Tiger Project proposed conventional crushing, grinding, and cyanidation by carbon-in-pulp (CIP) to produce gold doré.

Hecla Mining Company has outlined a strategic plan for the Rackla Gold Property which includes a desktop review in 2025 and a comprehensive exploration program planned for 2026. The property is described as a massive land package of over 650 square miles with multiple mineralization styles and numerous prospects at various stages of advancement.