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approximately 2,000 people

Mt Arthur Coal is a large open-cut thermal coal mine situated in the Hunter Valley region of New South Wales, Australia, approximately 5 kilometres south-west of Muswellbrook. Owned and operated by Hunter Valley Energy Coal Pty Ltd, a wholly-owned subsidiary of BHP, it is the largest coal mine in New South Wales. The mine produces thermal coal for international customers in the energy sector. Production at the current Mt Arthur Coal operation commenced in 2002.

Production overview - 2024: coal 15367907 t; 2023: coal 14172415 t.

The mined coal is transported by truck to the on-site Coal Handling and Preparation Plant (CHPP) with an approved processing capacity of up to 36 Mtpa of ROM coal. The process involves crushing, screening, cleaning, and sorting. After processing, the coal is transported via the Main Northern Railway line to the Port of Newcastle for export.

The mining operations utilise a range of large-scale equipment, including trucks, electric shovels, excavators, dozers, graders, drills, and water carts. The fleet includes Liebherr R 9800 (800-tonne) and R 996B excavators, as well as Liebherr T 282C off-highway trucks.

BHP plans to cease mining at Mt Arthur Coal by the end of the 2030 financial year, proceeding with a managed closure process. The New South Wales Government granted approval for mining activities to continue until 30 June 2030. Post-closure plans include exploring a pumped hydro energy storage project with ACCIONA Energía and a A$30 million community fund. A A$1.9 billion contract extension with Thiess was secured in 2024 for mining services.

Production overview - 2025: coal 8100000 t; 2024: coal 3287 kt.

The mine has a Coal Handling and Processing Plant (CHPP). Coal from up to 11 seams of the Moranbah Coal Measures is blended.

BHP Mitsubishi Alliance (BMA) is proposing the Saraji East Mining Lease Project, a greenfield single-seam underground mine development that will be accessed through the existing Saraji open cut highwall. This project is expected to produce up to 8 million tonnes per year of metallurgical product coal over a 20-year life. The project would involve the extraction of up to 11 million tonnes per year of run-of-mine coal. The Environmental Impact Statement (EIS) assessment report for this project was issued to the proponent on 24 November 2025. In November 2025, BMA placed the Saraji South operation into a period of care and maintenance due to market conditions and the impact of Queensland's coal royalties.

The Broadmeadow mine, located in the Bowen Basin of Queensland, Australia, is an operating underground metallurgical coal mine. It is owned by the BHP Mitsubishi Alliance (BMA), a 50:50 joint venture between BHP and Mitsubishi Development. The mine is approximately 34 kilometres north of Moranbah.

The mine has a production capacity of up to 4.8 million tonnes per year. Steelmaking coal production in the first quarter of fiscal year 2026 rose by 8%, partly due to strong mining rates. Improved mining rates were reported in the third quarter of FY2025, despite challenges from wet weather and geotechnical issues in fiscal year 2025.

Coal from Broadmeadow is not processed on-site but is handled jointly with production from the Goonyella Riverside operation. It is washed, sorted, and blended at Goonyella's two coal processing plants before being transported by rail to the BMA-owned Hay Point Coal Terminal for export.

The mine uses a longwall shearer and a conveyor belt system to transport coal to the surface.

An expansion of the mine was approved, involving the extension of three longwall panels (14, 15, and 16) into the adjacent Red Hill mining lease. This project is intended to extend the mine's operational life.

2000

Mt Arthur Coal is an open-cut thermal coal mine located near Muswellbrook in the Hunter Valley, New South Wales, Australia. It is the largest coal mine in NSW, operating 24/7 from 21 unique seams. BHP plans to cease mining by the end of the 2030 financial year, with government approval for operations until June 2030. The mine exclusively serves international markets, transporting coal to the Port of Newcastle. BHP is exploring repurposing the 7,000-hectare site, potentially for a pumped hydro energy storage facility.

Production overview - 2023: coal 14172000 t; 2019: coal 18257000 t.

The mine has a coal handling and preparation plant (CHPP) with a capacity to handle 2,000 tonnes per hour of raw coal and prepare 1,200 tonnes per hour. The process includes crushing, screening, cleaning, and sorting. Mined coal is transported to the CHPP, crushed, and then conveyed to one of three stockpiles: a domestic stockpile for local power stations, an export stockpile, or a stockpile for coal requiring further treatment.

two Liebherr R 9800 800-tonne excavators, two Liebherr R 996B excavators, one Liebherr R 994B excavator, 44 Liebherr T 282C off-highway trucks, electric shovels, dozers, graders, drills, water carts

2200 (as of June 2024)

Production overview - 2023: coal 14200000 t.

The mined coal is transported by truck to the on-site Coal Handling and Preparation Plant (CHPP). The CHPP is approved to process up to 36 million tonnes per annum (Mtpa) of run-of-mine (ROM) coal. The process involves crushing, screening, cleaning, and sorting. The CHPP is equipped with two hoppers, a crushing station, and a conveyor system. Some coal seams are of sufficient quality to only require crushing, which is handled by an internal bypass system.

The mining equipment includes large trucks, shovels, excavators, dozers, graders, drills, and water carts. A multi-bench multi-strip shovel and excavator operation is utilised.

In June 2022, BHP announced it would seek approvals to continue mining at Mt Arthur Coal beyond its current consent, which expires in 2026, and proceed with a managed process to cease mining by the end of the 2030 financial year. A modification to the project approval was sought to allow for this four-year extension. This modification includes a reduction in the cumulative open cut and underground ROM coal handling rate from 36 Mtpa to 29 Mtpa, and a reduction in maximum total coal rail transportation from 27 Mtpa to 20 Mtpa. There will be an overall reduction of 387 hectares in the approved disturbance area.

72 workers to be directly affected at Saraji South.

The Saraji South portion of the Saraji Mine complex will be placed into a period of care and maintenance from November 2025 due to market conditions and Queensland Government coal royalties.

2000

Production overview - 2023: coal 14172000 t; 2022: coal 19820201 t.

The Mt Arthur Coal Complex includes a Coal Handling and Preparation Plant (CHPP) where raw coal is crushed and washed before export. Coarse coal waste is co-disposed within overburden emplacements, and fine coal waste (tailings) is pumped to a tailings storage facility.

In June 2022, BHP announced its decision to cease mining at Mt Arthur Coal by the end of the 2030 financial year, after an attempt to sell the asset was unsuccessful. The New South Wales Government has granted approval for mining activities to continue until June 2030, extending the previous 2026 closure date. BHP is partnering with ACCIONA Energía to study the feasibility of developing a pumped hydro energy storage project at the site post-closure. Conceptual studies for the pumped hydro project suggest it could create around 1,000 jobs during construction. In November 2025, BHP announced the transfer of around 3,700 hectares of land from the Mt Arthur Coal site to the neighbouring Malabar Resources. This will allow Mt Arthur to use an existing mine void at Malabar's Maxwell Underground site for tailings storage.

72 workers directly affected at the Saraji South site; BUMA Australia, a contractor, employs 80 people for pre-strip and coal mining operations.

Production overview - 2025: coal 4073 kt; 2024: coal 3287 kt.

Coal is processed at a Coal Handling and Processing Plant (CHPP). The process involves three stages: coarse, fines, and ultra-fines.

The mine is a conventional strip mining operation that uses draglines, trucks, and shovels. Equipment includes P&H 2800XP and P&H 4100A electric shovels, and Cat 793C rear dump trucks.

Saraji South, a part of the Saraji mine complex, will be placed into a period of care and maintenance from November 2025. The Saraji East Project is a proposed single-seam underground longwall mine adjacent to the current operation, awaiting a final investment decision, with an estimated capital expenditure of AU$1.3 billion. The Grevillea Pit Continuation Project is a proposed expansion of the current Grevillea Pit to extract approximately 55 million tonnes of run-of-mine coal over 30 years.

2000

The open-cut mine consists of several pits, including Ayredale, Calool, Roxburgh, and Windmill. Mining is conducted 24 hours a day, seven days a week.

Production overview - 2024: coal 15367907 t; 2023: coal 14172415 t.

on-site Coal Handling and Preparation Plant (CHPP), which has a capacity of 2,000 tonnes per hour of raw coal. The process involves crushing, screening, cleaning, and sorting.

fleet of trucks, shovels, excavators, dozers, graders, and drills. The equipment includes Liebherr R 9800, R 996B, and R 994B excavators, and a fleet of 44 Liebherr T 282C haul trucks.

approximately 10,000-12,000 employees and contractors

BHP Mitsubishi Alliance (BMA) is Australia's largest producer and supplier of seaborne metallurgical coal. The joint venture, established in 2001, operates five mines in the Bowen Basin of Central Queensland. BMA also owns and operates the Hay Point Coal Terminal near Mackay. In April 2024, BMA completed the sale of its Blackwater and Daunia mines to Whitehaven Coal. The company has also announced that the Saraji South mine will be placed into care and maintenance from November 2025.

Production overview - 2025: coal 36 Mt; 2023: coal 29 Mt.

559

The mine is permitted to extract up to 5.7 million tonnes per annum of run-of-mine coal. Coal is exported through the Dalrymple Bay Coal Terminal and Abbot Point Port.

Production overview - 2024: coal 4.02 Mt; 2023: coal 2.2 Mt.

The mine uses conventional truck and shovel methods. Mining operations consist of excavator and truck strip mining, supplemented by cast and doze techniques. The run-of-mine (ROM) coal is processed on-site to remove impurities. The processing plant has a capacity of 5.3 million tonnes per year.

The large mobile fleet is leased and maintained through partnerships with MacKellar Group, Sandvik and CAT/Hastings Deering.

In February 2026, the Australian federal government approved the Middlemount Southern Extension Project. This project expands the open-cut operations to the south and is expected to extract an additional 112 million tonnes of run-of-mine coal.

435 (as of 2023)

The Ohio County Mine, also known as the Shoemaker Mine, is an active underground coal mine located in Marshall County, West Virginia, United States. The operator is Ohio County Coal Resources, Inc., a subsidiary of American Consolidated Natural Resources, Inc. The mine complex includes the Golden Ridge Portal, the Whitaker Portal, and the Ohio County Preparation Plant. The mine extracts thermal coal from the Pittsburgh #8 coal seam using longwall and continuous miner sections.

Production overview - 2022: coal 5777731 t; 2021: coal 5419863 t.

one longwall section and three continuous miner sections

840 (as of a 2023 MSHA report), 970 (in 2022)

Production overview - 2023: coal 9214979.79996 t; 2022: coal 6633045.69792 t.

The mine complex includes the Marshall County Preparation Plant.

5 continuous miner sections and 2 longwall sections are in operation.

518 coal miners as of a petition filed in mid-2025. Previously, the mine employed 517 miners in fiscal year 2023 and 462 miners in June 2021.

The mine complex includes the Sugar Run Preparation Plant. Coal from the mine is conveyed to a raw coal transfer building and then to the preparation plant. The plant uses a thermal dryer.

The mine operates with 2 continuous miner sections and 1 longwall section. It is a belt haulage mine.

approximately 400 coal miners

The Harrison County Mine is an underground operation utilising longwall and continuous mining methods, producing high heat and high quality thermal coal.

Production overview - 2022: coal 6196208 t; 2021: coal 2774414 t.

The mine complex includes the Harrison County Coal Preparation Plant. This is a wet wash coal preparation plant.

The mine operates one longwall section and three continuous miner sections.

In July 2022, Harrison County Coal Resources, Inc. filed a petition to permit an alternative method of compliance with respect to surface directional drilled wells for coal bed methane. Projections at that time indicated a well would be intersected by the 7W longwall in May 2025 and the 8W longwall in April 2026.

35

The mine is located near Madisonville in Hopkins County, Kentucky.

Production overview - 2024: coal 4000000 t.

The Warrior preparation plant has a throughput capacity of 1,200 tons of raw coal per hour.

The mine uses continuous mining units. A Herrenknecht RBR600VF Rig was used to create a 6.7-metre diameter access shaft.

A new portal location, completed in the second quarter of 2025, allows for convenient access to up to 100 million tons of additional reserves.

250 (as of 2021)

Production overview - 2024: coal 5698564 t; 2023: coal 5.3 Mt.

The mine has a preparation plant with a throughput capacity of 1,800 tons of raw coal per hour.

The mine utilises four continuous miner units employing room-and-pillar mining techniques. The fleet includes Joy 14/15 continuous mining machines and Auxier Shuttle Cars that transport coal from the working faces.

359 (335 underground and 24 on the surface) as of February 2025

Production overview - 2025: coal 6.5 Mt; 2024: coal 4.8 Mt.

The preparation plant has a throughput capacity of 2,000 tons of raw coal per hour.

The mine utilises longwall mining techniques. Equipment includes a Joy Shear, continuous miner units, and Auxier shuttle cars that transport coal to conveyor belts.

River View employed 783 people as of September 2022. The expansion into Henderson County was expected to create an additional 260 jobs. By the end of 2025, the Henderson County Mine is expected to have more than 400 employees.

The River View mining complex is owned and operated by River View Coal LLC, a subsidiary of Alliance Resource Partners, L.P. It comprises two mines: River View (Mine #1) in Union County and the Henderson County mine (Mine #2) in Henderson County. The complex is the largest underground room-and-pillar mine of its kind in the United States. It produces medium/high-sulfur coal from the WKY9 and WKY11 seams.

Production overview - 2023: coal 9.9 Mt; 2018: coal 9.75 Mt.

The preparation plant has a throughput capacity of 2,700 tons of raw coal per hour. Raw coal is transported via a belt system from the underground mine to the surface for processing and loading onto barges on the Ohio River.

The mine utilises continuous mining units employing room-and-pillar mining techniques. As of the first quarter of 2026, the Henderson County mine was operating at its full planned capacity of six super sections, and the River View mine was positioned to operate three super sections.

In September 2022, a $35 million investment was announced to expand operations into Henderson County with a new 30,000-square-foot facility. Construction was scheduled for completion by December 2024. Full production at the Henderson County mine began in 2024. A grand opening for the Henderson County Mine was held on 17 June 2025. In the first quarter of 2026, the company completed the final phase of a multi-year mine unit transition from the River View mine to the Henderson County mine.

199 (as of January 2026)

Alliance Resource Partners, L.P. announced on 29 January 2026 that it had issued Worker Adjustment and Retraining Notification (WARN) Act notices to all employees at the Mountain View Mine, signalling the mine's permanent closure. Production ceased immediately, with the company planning to fulfil existing contractual commitments, scheduled to conclude in March 2026, from its inventory. The layoffs of all 199-200 employees were scheduled to take effect from 1 April 2026. The closure was forced after a key customer could not commit to purchasing the minimum one million tons of coal per year required to keep the mine viable, due to planned and unplanned outages at the customer's plant. For the 2025 full year, the mine's coal sales and production were approximately 1.2 million tons. Of this, 300,000 tons were shipped to the export metallurgical market. In the first quarter of 2026, Alliance Resource Partners recorded a $37.8 million non-cash asset impairment charge related to the Mettiki mine following the decision to cease longwall production. Some employees were to remain to focus on reclamation activities. The Mettiki Complex includes the Mountain View mine in Tucker County, West Virginia, and a preparation plant in Garrett County, Maryland. The mine moved from Maryland to its West Virginia location in 2006.

Production overview - 2025: coal 1.2 Mt.

The Mettiki complex has a preparation plant with a throughput capacity of 1,350 tons of raw coal per hour. The Mountain View mine produces low/medium-sulfur and low-volatile coal for both steam and metallurgical markets.

The mine utilised longwall mining techniques and continuous mining units.

Approximately 280 employees

Production overview - 2024: coal 0.8 Mt.

preparation plant with a throughput capacity of 1,000 tons of raw coal per hour. The underground mine utilises continuous mining units employing room-and-pillar techniques to produce low-sulfur coal.

880 (average)

Production overview - 2025: coal 5.2 Mt; 2023: coal 7.7 Mt.

The preparation plant has a throughput capacity of 2,000 tons of raw coal per hour. Coal produced is transported by a conveyor belt to a barge loading facility on the Ohio River.

The mine utilises the longwall mining technique.

In 2018, a permit was acquired to expand the underground mining area.