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ALLIANCE RESOURCE PARTNERS LP

For the period ended Dec 31, 2025. Filed Feb 26, 2026.

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About this filing

A company's yearly report to the SEC, with audited financial statements. It is the fullest account a company gives of its business, its finances and the risks it sees.

FY2025 · Filed Feb 26, 2026

ARLP$25.08+1.3%Stored close · as of Nov 10, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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Contents

8. Property, Plant and Equipment

Property, plant and equipment consist of the following:

​​​​​​​​
​ · ​ ​ ​ · December 31,
​ · ​ · 2025 · ​ ​ ​ · 2024 · ​
​ · ​ · (in thousands) · ​
​​​​​​​​
Mining equipment and processing facilities​$2,322,784​$2,131,697​
Land and coal mineral rights​510,790​508,892​
Oil & gas mineral interests​​895,920​​878,083​
Buildings, office equipment, improvements and other miscellaneous equipment​345,402​315,092​
Construction, mine development and other projects in progress​84,820​213,579​
Mine development costs​342,932​388,192​
Property, plant and equipment, at cost​4,502,648​4,435,535​
Less accumulated depreciation, depletion and amortization​(2,364,206)​(2,269,265)​
Total property, plant and equipment, net​$2,138,442​$2,166,270​

All of our property, plant and equipment have depreciable lives of 1 to 36 years. Depreciation, depletion and amortization expense related to property, plant and equipment was $306.5 million, $287.1 million and $276.4 million for the years ended December 31, 2025, 2024 and 2023, respectively.

At December 31, 2025 and 2024, land and coal mineral rights above include $10.3 million and $14.1 million, respectively, of carrying value associated with coal mineral reserves and resources attributable to properties where we or a third party to which we lease coal mineral reserves and resources are not currently engaged in mining operations or leasing to third parties, and therefore, the coal mineral reserves are not currently being depleted. We believe that the carrying value of these coal mineral reserves will be recovered.

At December 31, 2025 and 2024, our oil & gas mineral interests noted in the table above include the carrying value of our unproved oil & gas mineral interests totaling $360.7 million and $377.5 million, respectively. We generally do not record depletion expense for our unproved oil & gas mineral interests; however, we do review for impairment as needed throughout the year.

We incurred $18.5 million and $67.2 million in mine development costs, primarily related to Hamilton and Tunnel Ridge, LLC (“Tunnel Ridge”) mining complexes for the years ended December 31, 2025 and 2024 respectively. All past capitalized mine development costs are associated with other mines that shifted to the production phase in past years and

we are amortizing these costs accordingly. We believe that the carrying value of the past development costs will be recovered.

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The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.