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362 (as of January 2022)

Production was temporarily suspended in August 2023 due to a fire, restarting on 9 January 2024 and reaching full capacity by March 2024.

Production overview - 2025: silver 5.3 Moz; 2024: silver 4.9 Moz, lead 31300 t, zinc 13500 t.

The mine has a full surface facility with a mill that can process 1,000 tons of ore per day. It produces silver-lead and zinc concentrates, which are transported by truck to a smelter in Trail, British Columbia, Canada.

The primary mining method is Underhand Closed Bench (UCB), a method patented by Hecla. This method, along with underhand cut and fill, utilizes rubber-tired equipment to access the veins through ramps developed outside of the ore body. Access to all underground workings is via the 6,205 ft deep Silver Shaft. A new internal shaft, the #4 Shaft, has been completed and is operational, reaching 9,600 feet below the surface to access high-grade ore in the Gold Hunter/Lucky Friday Expansion Area.

A new internal shaft, the #4 Shaft, has been completed and is operational, reaching 9,600 feet below the surface to access high-grade ore in the Gold Hunter/Lucky Friday Expansion Area. For 2024, exploration drilling is planned to the east of the 30 Vein in an area between the Gold Hunter and the historic Lucky Friday Mine.

512 (as of 2024); 494 (in 2022)

Production overview - 2025: silver 8700000 oz, gold 59349 oz, lead 18200 kt, zinc 51300 kt; 2024: silver 9741935 oz, gold 48216 oz, lead 17670.9918 t, zinc 47458.75092 t.

The mine has an ore concentrating mill. In 2024, 46% of tailings were reused as backfill.

The primary mining methods are cut and fill and longhole stoping. The mine produces approximately 2,300 tons of ore per day.

In January 2026, a five-year plan of operations for the Greens Creek Surface Exploration Project was approved by the U.S. Forest Service. This exploration is for mineral deposits including silver, gold, lead, and zinc, and is expected to increase the project's reserve base and extend the mine life. Hecla Mining Company announced in March 2026 that it had completed the sale of its Casa Berardi Mine and would use the proceeds to strengthen its balance sheet for investment in its silver assets, including Greens Creek.

The San Juan Silver project is situated in the historic Creede Mining District in Colorado. Hecla Mining Company holds a 100% interest in the project. The project is currently in an exploration and development phase, described by the company as a high-impact development project. A significant focus of the project is the Bulldog Mine area, which has a history of production, having yielded 25 million ounces of silver between 1969 and 1985. Hecla is strategically advancing toward accessing underground infrastructure to confirm and expand the existing resources.

Production overview - 2024: silver 37026000 oz, gold 27000 oz, lead 47430 t, zinc 38020 t.

The Republic project is an exploration-stage asset for Hecla Mining Company in Washington, located in a district known for being the state's largest historic gold producer. Hecla's land package covers 3,583 acres, including all major past-producing trends. The company considers Republic an "emerging opportunity" and is focused on exploration activities, integrating historical data with 3D modelling and modern exploration techniques.

30 to 35 people

The Libby Exploration Project, operated by Hecla Mining Company, is an underground silver and copper exploration site in Lincoln County, Montana. Acquired by Hecla in September 2016, the project is currently focused on a 16-year exploration and evaluation program, involving dewatering and extending an existing adit by 4,200 feet, to determine economic feasibility.

Production overview - 2024: silver 183000000 oz, copper 1500000000 lbs.

The current focus is on a 16-year exploration and evaluation program to determine the economic feasibility of a potential future mine. This involves dewatering and rehabilitating an existing tunnel, known as an adit, and extending it by approximately 4,200 feet to conduct further underground exploration.

The Kinskuch property is located in the Golden Triangle of British Columbia and is now part of Dolly Varden's larger Kitsault Valley Project. It is considered underexplored with limited modern exploration.

The Hollister mine, operated by Hecla Mining Company, is an underground gold and silver operation currently on care and maintenance since Q3 2019. Located in Elko County, Nevada, Hecla is focusing exploration on its Nevada properties, including Hollister, with a potential restart development decision by 2029-2030.

Further development of the Hatter Graben, located approximately 2,500 feet east of the main underground development, or other expansions at Hollister are planned and will require state and federal approvals.

two employees

The Fire Creek deposit is a low-sulfidation, epithermal deposit with mineralisation occurring in steeply dipping epithermal veins within Tertiary basalt flows and intrusive rocks. The mine was acquired by Hecla Mining Company in July 2018 and placed on care and maintenance in the second quarter of 2021 after processing the remaining non-refractory ore stockpile. Mining has historically been conducted using underground methods including longhole stoping, cut and fill, drift and fill, and back stoping.

Production overview - 2023: gold 683 oz; 2021: gold 645 kg.

0 (2024)

Hecla Mining's Aurora mine in Nevada remains on care and maintenance. The site is operated by Hecla's subsidiary, Klondex Aurora Mine Inc. A significant development is the federal approval for the 2026 exploration program at the Polaris project, located within the Aurora mining district. On 20 November 2025, the U.S. Forest Service issued a Finding of No Significant Impact and a Decision Notice, which was announced by the company on 1 December 2025, allowing for drilling and related exploration activities to proceed. The Federal Permitting Improvement Steering Council announced the completion of the federal permitting for the Polaris Exploration Project on 31 March 2026. A company executive has previously indicated that Hecla is considering a potential restart of the Aurora asset in approximately five years, contingent on further exploration, investment, and permitting.

The site has an existing 600-ton-per-day mill that is available to process potential new discoveries.

The primary expansionary activity is the 2026 exploration program at the Polaris project. This program will test several near-surface epithermal vein systems, including Martinez, Juniata, and Ann, as well as deeper systems at Brawley Peak, Sawtooth Ridge, and Polaris. The project will involve exploration activities on up to 150 acres, with a maximum of 250 drill sites. Hecla has noted that its significant private land holdings in the area could streamline the permitting process for any future discoveries. The company's budget for exploration and pre-development in Nevada, which includes Aurora, was planned to almost double in 2026 compared to 2025.

Hecla is the second-largest private employer in Shoshone County. In 2024, the mine had an economic impact of $171 million in neighbouring communities, which included $54 million in wages. 90% of new hires at Lucky Friday in 2024 were from local communities.

Production overview - 2025: silver 5300000 oz, lead 34280 kt, zinc 14920 kt; 2024: silver 4890000 oz, lead 31265 t, zinc 13513 t.

The plant has a full surface facility with a mill that has a capacity of 1,000 tons of ore per day, producing silver-lead and zinc concentrates. These concentrates are shipped by truck to Teck Cominco Metals Ltd.'s smelter in Trail, BC, Canada. Metallurgical recoveries for 2025 were 94.5% for silver, 94.3% for lead, and 85.1% for zinc.

The mine uses the Underhand Closed Bench (UCB) mining method, which Hecla pioneered. The #4 Shaft project is complete and operational, reaching 9,600 feet below the surface to access high-grade ore in the Gold Hunter/Lucky Friday Expansion Area.

A surface cooling project is expected to be completed by mid-2026. Capital investment is also being made in a new tailings facility and underground development. In 2024, exploration drilling was planned for an area east of the 30 Vein, between the Gold Hunter and the historic Lucky Friday Mine. The UCB mining method has significantly improved safety and productivity. The 2025 silver production was a record for the mine.

512 people (as of 2024)

The mine is located within the Admiralty Island National Monument.

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

The mine uses a conventional flotation concentrator to produce a gravity gold concentrate, a silver concentrate, a zinc concentrate, and a precious metals concentrate. The ore is processed at an on-site mill. The mine produces approximately 2,300 tons of ore per day.

The primary mining methods are cut and fill and longhole stoping.

In November 2024, the U.S. Forest Service approved an expansion for more tailings storage, which could extend the mine's operational life for up to 18 years. In January 2025, the U.S. Forest Service also approved a five-year plan for a surface exploration project to identify new mineral targets not accessible from underground. In 2024, copper became a payable metal, adding a new revenue stream.

Produces battery-grade lithium hydroxide.

Production overview - 2023: nickel 4374 t.

Acquired by IGO in 2022.

Approximately 400 people were employed on site (direct employees and contractors) in 2017.

Production overview - 2025: nickel 16371 t, copper 7324 t, cobalt 581 t; 2024: nickel 20806 t, copper 9922 t, cobalt 735 t.

The operation includes a processing facility that produces saleable concentrates containing nickel, copper, and cobalt.

processing facility

400-600

Production overview - 2025: zinc 203168 t.

The mine has a concentrator with a capacity of 800,000 tonnes per annum that was completed in May 2024. A debottlenecking program was completed which increased the concentrator throughput capacity by 20% to 960,000 tonnes of ore per annum. The plant uses dense media separation, milling, and flotation.

The mine has installed additional back-up generator capacity.

Underground development is ongoing to access multiple production levels.

2,200

Phase 1 annual production expected to ramp up to approximately 100,000 ounces of platinum, palladium, rhodium, and gold (3PE+Au), plus 2,000 tonnes of nickel and 1,000 tonnes of copper.

Underground mining methods (long-hole stoping, drift-and-fill) and concentrator processing (Phase 1 concentrator with 770,000 tpa milling capacity).

Underground mining methods including long-hole stoping and drift-and-fill. Phase 1 concentrator with 770,000 tonnes per annum milling capacity. Shaft 1 (1 Mtpa hoisting capacity), Shaft 2 (6 Mtpa hoisting capacity), Shaft 3 (5 Mtpa total hoisting capacity).

Phase 2 expansion underway, targeted for Q4 2027, adding a 3.3 Mtpa concentrator (total 4.1 Mtpa processing capacity). Expected to increase annual production to 450,000 oz 3PE+Au, plus over 30 Mlbs nickel and copper. A $700 million project finance facility signed for Phase 2. Future Phase 3 expansion outlined in a Preliminary Economic Assessment, increasing processing capacity to 10.7 Mtpa and potentially doubling annualised production to over 1 Moz 3PE+Au.

7,300

The Kamoa-Kakula Copper Complex is a joint venture operated by Kamoa Copper SA. Commercial production began on 1 July 2021. It includes a 500,000-tonne-per-annum direct-to-blister copper smelter, the largest in Africa. An updated NI 43-101 technical report announced on 31 March 2026, with an effective date of 31 December 2025, estimates Mineral Reserves at 466 million tonnes of ore at a grade of 2.82% copper.

Production overview - 2025: copper 388838 t; 2023: copper 393551 t.

Processing plants are equipped with Metso Outotec HIGmill regrind mills, Larox PF 60 Series concentrate filters, and TankCell flotation cells. The complex includes Phase 1, 2, and 3 concentrators, and an on-site direct-to-blister copper smelter.

underground mining fleet includes equipment from Sandvik and Epiroc. In late 2023, an order was placed for eight Toro™ TH663i trucks, five Toro™ LH621i loaders, and two Sandvik DL432i longhole production drills. The mine also utilises Epiroc Minetruck MT65 haulers, Scooptram ST18 loaders, and Boomer 282 face drilling rigs. The processing plants are equipped with Metso Outotec HIGmill regrind mills, Larox PF 60 Series concentrate filters, and TankCell flotation cells.

Completion of the Phase 3 concentrator expansion, which achieved first concentrate on 10 June 2024 and commercial production early in Q3 2024. This expansion increases total design processing capacity to 14.2 Mtpa. Further expansion is planned to 19.2 Mtpa, including four new underground mines (Kamoa 3, 4, 5 and 6). An on-site, 500,000-tonne-per-annum direct-to-blister copper smelter commenced heat-up on 21 November 2025 and produced its first copper anodes on 29 December 2025.

As of July 2022, 25% of the workforce was female, and 33% of employees resided within 15km of the refinery.

The Kwinana Lithium Hydroxide Refinery is a downstream processing facility that processes spodumene concentrate from the Greenbushes lithium mine. It is located in the Kwinana Industrial Area, approximately 35km south of Perth. The refinery is owned and operated by Tianqi Lithium Energy Australia (TLEA), a joint venture between Tianqi Lithium Corporation (51%) and IGO Limited (49%). The refinery's Train 1 has a nameplate capacity of 24,000 tonnes per annum of battery-grade lithium hydroxide. However, the facility has been grappling with persistent operational issues and has operated well below this capacity. In the quarter ending September 2025, the plant reached 46% of nameplate capacity, but this dropped to 35% in the quarter ending December 2025 due to maintenance outages. IGO has expressed low confidence in the refinery's ability to achieve sustained, profitable production and views it as a high-cost asset with no clear path to appropriate returns. As of June 2025, IGO had fully impaired its 49% investment in the asset. The future of the refinery is the subject of ongoing discussions between IGO and its partner Tianqi Lithium. In March 2026, the state's environmental regulator renewed the site's operating licence with tougher controls following numerous complaints from residents regarding dust and odours in 2025.

Production overview - 2025: lithium 4895 t; 2024: lithium 6782 t.

The facility is a downstream processing plant designed to convert spodumene concentrate into battery-grade lithium hydroxide. It consists of one operational production train (Train 1) with a nameplate capacity of 24,000 tonnes per annum.

The construction and commissioning of a second production train (Train 2) have been suspended. TLEA ceased all work on the expansion in January 2025.

Approximately 1,700 people.

Production overview - 2025: mineral sands 1350000 t.

The operation consists of four processing plants: a technical grade plant, two chemical grade plants, and a tailings retreatment plant. The processing method involves gravity, heavy media, flotation, and magnetic processes to upgrade the lithium mineral into a range of concentrates. The combined planned processing capacity is approximately 7 million tonnes per annum of dry ore.

The mine utilises a contracted diesel mining fleet, and the operator is investigating a transition to an electric mining fleet. Specific details of the current mining fleet are not publicly available. A load and haul services contract commenced on 1 July 2023 for a 7-year period.

Chemical Grade Plant 3 (CGP3) received its first ore in December 2025 and is expected to reach its nameplate capacity of 2.4 million tonnes per annum of ore in 2026. A further expansion is proposed to increase the mine's development envelope from 2,207 hectares to 2,826 hectares. This expansion is currently undergoing an environmental review process, with a public review period expected to begin in February 2026. The expansion plans include an additional waste rock landform, expanded water storage capacity, and a highway crossing.

The Cosmos Project, wholly owned by IGO Limited, is located 30 kilometres north of Leinster in Western Australia and includes the Odysseus underground mine. The project was placed on care and maintenance in January 2024 due to reduced mine life, project delays, increased capital and operating costs, and deteriorating commodity prices. Prior to this, the upgraded processing plant commenced ore commissioning in late 2023, producing its first concentrate in mid-November 2023.

Between 6 November 2023 and 22 May 2024, approximately 295,000 tonnes of ore from the Odysseus mine were processed.

The on-site processing plant, which had been upgraded, commenced ore commissioning in late 2023, producing its first concentrate in mid-November 2023. The plant achieved its nameplate throughput rate during the commissioning phase.

all-electric underground fleet

The company will also assess further exploration at the AM5 and AM6 orebodies.