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approximately 3,200 people by the end of 2024

Production overview - 2025: gold 279000 oz; 2009: gold 572595 oz, silver 94764 oz.

The processing plant includes a crushing and grinding circuit, gravity recovery, flotation, pressure oxidation, and carbon-in-pulp (CIP) and carbon-in-leach (CIL) circuits for gold recovery.

The open pit operation has historically used a fleet of O&K shovels and Caterpillar 777 and 789 trucks. The underground mine has utilised Elphinstone LHDs and trucks. A recent fleet replacement includes four Sandvik DR410i rotary blasthole drill rigs and three Leopard DI650i down-the-hole drill rigs for the surface operations.

Following the signing of a new agreement, New Porgera Limited was granted a Special Mining Lease. The new structure ensures that PNG stakeholders receive 53% of the overall economic benefits. The company is working towards reaching full production capacity.

There is no current workforce on site as the project is not in production.

The Rackla gold project is a large land package covering over 1,830 square kilometres in the Mayo mining district, Yukon, Canada, about 55 kilometres northeast of Keno City. It is owned by Hecla Mining Company, which acquired it in July 2023 through the takeover of ATAC Resources Ltd. The project hosts the Tiger and Osiris deposits, with potential for both open-pit and underground mining.

Production overview - 2025: gold 1164000 oz.

A 2020 Preliminary Economic Assessment for the Tiger deposit proposed conventional crushing, grinding, and cyanidation by carbon-in-pulp to produce gold doré. Metallurgical testing on the Osiris deposit indicated gold recoveries of over 80% are achievable through flotation, pre-treatment with either pressure oxidation or roasting, and cyanide leaching.

truck and shovel/loader method

Hecla Mining is conducting a desktop review of the project in 2025, with a comprehensive exploration program planned for 2026.

7,500 (peak construction), 4,000 (operational), ~1,000 (May 2025)

Reko Diq is one of the world's largest undeveloped copper-gold deposits. The project's Environmental and Social Impact Assessment (ESIA) has been approved by government authorities.

Production overview - 2024: copper 7.3 Mt, gold 13 Moz.

The project is designed as a conventional truck and shovel open-pit mine with processing facilities to produce a high-quality copper-gold concentrate via a crush, mill, and flotation circuit. Development is planned in two phases, with a combined processing capacity of 90 million tonnes per annum. Phase 1 is designed for a throughput of approximately 40-45 million tonnes per annum, with Phase 2 expected to double this capacity.

conventional truck and shovel open-pit mine

Development is planned in two phases, with a combined processing capacity of 90 million tonnes per annum. Phase 1 is designed for a throughput of approximately 40-45 million tonnes per annum, with Phase 2 expected to double this capacity. A potential Phase 2 expansion could increase copper production to 400,000 tonnes per year. The reconstitution of the project was completed in December 2022. In March 2026, Barrick announced it was slowing development activity and extending the project's review period by 12 months from July 2026, citing security concerns in the region. This decision is expected to affect previously stated budgets and timelines.

As of 2023, the Phoenix mine had a workforce of 474 company employees and 351 contract employees. In 2022, the workforce consisted of 450 company employees and 383 contract employees.

The Phoenix mine is an open-pit gold, silver, and copper operation located in Lander County, Nevada, approximately 20 kilometres south of Battle Mountain. It is owned and operated by Nevada Gold Mines, a joint venture between Barrick Gold Corporation (61.5% interest, operator) and Newmont Corporation (38.5% interest). The mine is part of the larger Battle Mountain Mining District.

In 2023, the Phoenix mine produced 199,994 ounces of gold, 952,702 ounces of silver, and 35,406,713 pounds of copper. Production in 2022 was 109,000 ounces of gold, 1,289,000 ounces of silver, and 35,600,000 pounds of copper. In 2021, the mine produced 173,067 ounces of gold, 1,322,700 ounces of silver, and 36,736,179 pounds of copper.

The mine's processing facilities include a flotation mill, a carbon-in-leach plant, a copper leach pad, and a solvent extraction-electrowinning (SX/EW) plant. Ore from the open-pit is processed to produce a gravity gold concentrate and a copper-gold flotation concentrate, with additional gold recovered through cyanide leaching of flotation tailings.

The mine uses a fleet of haul trucks and shovels or loaders.

The Greater Phoenix Project, approved in 2018, involves consolidating five existing pits into an expanded Phoenix Pit and increasing its depth, extending the mine's operational life to 2063. A truck reinvestment strategy is underway from 2024 to 2026. Opportunities for expanding copper production are being explored, and in 2021, a letter of intent was signed to investigate recovering critical metals like nickel, cobalt, scandium, and zinc from heap leach solutions.

In 2014, 99% of the employees were Peruvian. The processing and mine facilities operate 24 hours a day, seven days a week, with four crews rotating on 12-hour shifts.

Laguna Norte is a gold and silver open-pit, heap leach mine in the La Libertad Region of north-central Peru. It commenced production in March 2005. Barrick Gold placed the mine on care and maintenance in 2019 and sold its 100% interest in June 2021.

Production overview - 2018: gold 245000 oz.

crushing and extraction of precious metals through heap leaching, followed by recovery using a Merrill-Crowe process and carbon-in-column (CIC) plants.

34 employees

The Donlin Gold project is a large, undeveloped, open-pit gold mine located in southwestern Alaska, United States. It is situated approximately 10 miles north of the village of Crooked Creek, on the Kuskokwim River, and about 280 miles northwest of Anchorage.

Production overview - 2022: gold 39 Moz; 2016: gold 1055.032 t.

gyratory crusher, semi-autogenous grinding (SAG) and ball mills, flotation, pressure oxidation, carbon-in-leach circuit

large hydraulic shovels, front-end loaders, ultra-class haul trucks, rotary blast hole drills, dozers, graders, water trucks

approximately 512 people (as of 2024)

Located on Admiralty Island in southeast Alaska, the Greens Creek Mine is one of the largest and lowest-cost primary silver mines in the world and is considered the cash generating engine of Hecla Mining Company. It is the largest silver mine in the United States and the largest private-sector employer in Juneau, Alaska. The ore body contains silver, zinc, gold and lead, and lies within the Admiralty Island National Monument.

Production overview - 2025: silver 8700000 oz, gold 59349 oz, lead 18200 t, zinc 51300 t; 2024: silver 8480000 oz, gold 55275 oz, zinc 51288 t.

The mill processed an average of 2,388 tonnes of ore per day in 2025. The metallurgical recoveries for 2025 were 79.3% for silver, 74% for gold, 82.6% for lead, and 88.8% for zinc. The metallurgical recoveries for 2024 were 79% for silver, 72% for gold, 81% for lead, and 89% for zinc.

Major facilities include the underground mine, an ore concentrating mill, a dry stacked tailings facility, a ship-loading facility, camp facilities, and a ferry dock. Power is supplied by a connection to the local hydroelectric-powered utility, with diesel generators as a backup. Renewable hydropower provides around 100% of the mine's purchased electricity.

In January 2026, the U.S. Forest Service approved a five-year plan of operations for the Greens Creek Surface Exploration Project, which completed the FAST-41 federal permitting process. Exploration activities were expected to begin in the spring of 2026. As part of a company-wide strategy, Hecla is nearly doubling its investment in exploration and pre-development to a record $55 million in 2026, which includes a focus on Greens Creek. Capital investment at the mine in 2026 will go towards development and the expansion of its tailings facility, which is expected to increase capacity to 2045. The company is also evaluating the feasibility of a pyrite concentrate circuit to potentially boost silver and gold recoveries and a tailings reprocessing project.

During the initial two-year construction period, the project is expected to employ a contractor workforce of about 150 people. For the operational period, the workforce will be approximately 415 full-time employees, which includes 45 new hires and 370 existing Cortez Mine employees.

The Robertson Mine Project is situated in Lander County, Nevada, United States, as part of the Cortez Complex. The project received its Record of Decision from the Bureau of Land Management in November 2024, and ground clearing activities have commenced. First production is anticipated in 2027.

Ore processing will be done via a heap leach facility, which includes a lined pad, process solution ponds, and a carbon-in-column plant.

Komatsu 930E-5 haul trucks

7,000 (2024)

Nevada Gold Mines is a joint venture between Barrick Gold Corporation (operator) and Newmont Corporation, formed in 2019. It operates multiple open pit and underground mines in Nevada, United States, producing gold. The complex is undergoing significant reinvestment and equipment upgrades, including the deployment of an autonomous haulage system and 5G communications infrastructure.

Production overview - 2023: gold 3 Moz.

The complex includes multiple processing facilities, including autoclaves, roasters, oxide mills, a flotation plant, and heap leach facilities. Nevada Gold Mines operates several pressure oxidation facilities (autoclaves) to process refractory ore. The Goldstrike autoclave has been converted to a carbon-in-leach process. The Turquoise Ridge Sage autoclave underwent significant equipment upgrades to improve reliability and performance. Heap leaching is used for low-grade gold ore.

A fleet of 300 and 230-tonne haul trucks is being automated with Komatsu's FrontRunner Autonomous Haulage System. An agreement was signed in 2023 for the delivery of 62 new Komatsu 930E-5 haul trucks through 2025, with 47 delivered as of December 2024. The complex also utilises hydraulic shovels and electric rope shovels.

Nevada Gold Mines is undergoing significant reinvestment to replace and upgrade equipment and infrastructure. Key developments include the Goldrush project, with permitting completed in 2023, and the deployment of an autonomous haulage system with customised 5G communications infrastructure.

The Republic site in Washington is an exploration project for Hecla Mining Company, considered an emerging opportunity. Hecla has allocated 1% of its 2025 exploration budget to the project, which consists of 3,583 acres encompassing historically productive trends. Modern exploration techniques, including 3D modelling, are being used, and recent exploration has yielded multiple high-grade gold intercepts, indicating potential for both underground and bulk-tonnage discoveries.

The Kinskuch property is located in the Golden Triangle of British Columbia and is contiguous with Dolly Varden's Kitsault Valley Project. The acquisition has significantly increased the size of the Kitsault Valley Project to approximately 77,000 hectares. Kinskuch is an exploration-stage project and is considered to be prospective for silver, gold, and copper mineralisation. There are no NI 43-101 compliant resources reported for the Kinskuch property.

approximately 512 people

The Greens Creek Mine, owned and operated by Hecla Mining Company, is one of the world's largest primary silver mines, located on Admiralty Island in southeast Alaska. It is an underground mine that produces silver, gold, zinc, and lead.

Production overview - 2025: silver 8700000 oz, gold 59349 oz, zinc 51300 t, lead 18200 t; 2024: silver 8480000 oz, gold 55275 oz, zinc 51288 t, lead 18320 t.

Ore is processed at a conventional flotation concentrator which produces a gravity gold concentrate, a silver concentrate, a zinc concentrate, and a precious metals concentrate. In 2025, the mill processed an average of 2,388 tons of ore per day. Metallurgical recoveries for 2025 were 79.3% for silver, 74% for gold, 82.6% for lead, and 88.8% for zinc. In 2024, 46% of tailings were reused as backfill. Hecla is also investigating the potential for reprocessing tailings to recover critical minerals.

The mine uses conventional diesel-powered, rubber-tired equipment for development and production. This includes drilling jumbos, mobile explosives loaders, load-haul-dump units (LHDs), and haul trucks. The fleet includes LHDs with semi-autonomous and tele-remote capabilities.

A key project is the expansion of the tailings storage facility, which is expected to increase capacity to 2045. In January 2026, the U.S. Forest Service approved a five-year plan of operations for the Greens Creek Surface Exploration Project. This project, which is on the FAST-41 Transparency List, aims to test existing mineralised targets and identify new ones. For 2026, Hecla has budgeted a company-wide record of $55 million for exploration and pre-development, which includes activities at Greens Creek.

The San Juan Silver project is operated by Hecla Mining Company through its wholly-owned subsidiary, Rio Grande Silver, Inc.. The project is located in the Creede Mining District in Mineral County, Colorado, United States. Hecla considers it a high-impact, pre-development project. The consolidated land package covers approximately 21-25 square miles and, for the first time, brings the entire Creede Mining District under single ownership. The project includes the historic Bulldog silver mine, which was operated by Homestake Mining Company from 1969 until it closed in 1985 due to low metal prices. The property also contains the Equity and Amethyst vein systems, a ramp, and administration buildings.

Production overview - 2025: silver 36760000 oz, gold 26000 oz, lead 49270 t, zinc 40310 t; 2024: silver 37026000 oz, gold 27000 oz, lead 47430 t, zinc 38020 t.

Hecla received approval to construct a decline at the Bulldog mine and had commenced portal construction.

87 workers

Production overview - 1993: gold 49601 oz, silver 276688 oz; 1991: gold 77736 oz.

crushing, flotation, and cyanide vat leaching

Golden Promise shaft, mill with a capacity of 270 tons per day

discovery of the Golden Promise orebody in 1984, Golden Promise shaft completed in November 1986 at a cost of $2.2 million

The Kinskuch project was an exploration-stage asset located in the Golden Triangle of British Columbia, Canada, near Alice Arm. Hecla conducted various exploration activities, including diamond drilling and airborne geophysical surveys, to assess the property's potential for silver, gold, copper, lead, and zinc mineralization, with potential for both underground and open-pit mining.

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.

approximately 495 people

Production overview - 2026: silver 2200000 oz, gold 13000 oz; 2025: silver 8700000 oz, gold 59349 oz, lead 18200 t, zinc 51300 t.

The mine produces approximately 2,300 tons of ore per day using cut-and-fill and longhole stoping methods. The ore concentrating mill operates 24 hours a day, 365 days a year, employing a flotation and gravity process. Metallurgical recoveries for 2025 were 79.3% for silver, 74% for gold, 82.6% for lead, and 88.8% for zinc. For 2024, metallurgical recoveries were 79% for silver, 72% for gold, 81% for lead, and 89% for zinc. In 2024, 46% of tailings were reused as backfill. During the first quarter of 2026, the mine set a record for underground backfill placement, placing nearly 164,000 tons. Hecla is assessing the economic potential of reprocessing tailings; as of year-end 2025, the dry-stack tailings facility held an estimated 10.4 million tons of tailings, containing an estimated 50 million ounces of silver and nearly 600,000 ounces of gold.

In January 2026, the U.S. Forest Service approved a five-year plan of operations for the Greens Creek Surface Exploration Project. This exploration aims to identify new mineral deposits to increase the project's reserve base and extend the mine life. In 2026, Hecla nearly doubled its exploration budget compared to the previous year, with 30% of the budget allocated to Greens Creek. Exploration drilling is targeting the East, Gallagher, Southwest, 200S, 9A, and Gallagher Fault Block zones, while surface exploration will test targets including East Ore Offset, Gallagher West, and Cliff Creek areas. As of 31 December 2025, proven and probable reserves included 103.7 million ounces of silver, 865,000 ounces of gold, 240,670 tons of lead, and 646,010 tons of zinc. The company is also evaluating a tailings reprocessing project and a potential mill expansion.

The Kinskuch project is an early-stage exploration target located in the Golden Triangle of British Columbia. It is considered prospective for silver, gold, and copper mineralisation. The property is part of the larger Kitsault Valley Project, which was significantly expanded with the Kinskuch acquisition to approximately 77,000 hectares. The project is covered by a renewed five-year Exploration Permit that includes both Nisga'a and Gitanyow Traditional Lands.

Contango Silver & Gold is advancing exploration efforts. For 2025, Dolly Varden Silver had planned a minimum of 35,000 metres of diamond drilling across the entire Kitsault Valley Project, which was later expanded to 55,000 metres. The initial 2025 fieldwork on the Kinskuch property was to include geological mapping and reconnaissance to identify priority drill targets, focusing on the underexplored "Illiance trend". Following the merger, Contango Silver & Gold has outlined a robust exploration program for 2026. An updated Mineral Resource Estimate (MRE) for the Kitsault Valley Project is expected by the end of the second quarter of 2026. This will be followed by a 40,000-metre surface drilling program beginning in June 2026, aimed at infilling known resources and testing high-priority targets across the project area. A preliminary development plan, in the form of a Preliminary Economic Analysis/Initial Assessment (PEA/IA), for the Kitsault Valley assets is anticipated in the first half of 2027.