ADDED
As of February 26, 2026, 128,658,801 common units were outstanding.
When rich hydrocarbon source rocks are present and conditions are suitable, a petroleum system may form, supporting oil gas exploration and production.
Basis differential The difference between the spot price of a commodity and the sales price at the delivery point where the commodity is sold Bbl Stock tank barrel, or 42 United States gallons liquid volume, used in reference to crude oil or other liquid hydrocarbons Bitiki Bitiki KY, LLC, an indirect wholly owned subsidiary of ARLP Bituminous coal Coal used primarily to generate electricity and to make coke for the steel industry with a heat value ranging between 10,500 and 15,500 Btus per pound.
BLBA Federal Black Lung Benefits Act Bluegrass Minerals Bluegrass Minerals Management, LLC Board of Directors The board of directors of our general partner BOE Barrels of oil equivalent, with six Mcf of natural gas being equivalent to one Bbl of crude oil, condensate, or natural gas liquids BSER Best System of Emission Reduction Btu British thermal unit CAA Federal Clean Air Act Cavalier Minerals Cavalier Minerals JV, LLC, an indirect subsidiary of ARLP in which we hold the managing member interest and a 96% non-managing interest.
CODM Chief operating decision maker Compensation Committee The compensation committee of the Board of Directors Conflicts Committee The conflicts committee of the Board of Directors Continuous Miner An underground mining machine that cuts coal and loads it onto conveyors or into shuttle cars in a continuous operation.
Circuit Court United States Court of Appeals for the District of Columbia DERs Distribution equivalent rights Developed acreage Acreage allocated or assignable to productive wells.
Department of Labor EGUs Electric generating units ELG Effluent Limitations Guidelines and Standards Elk Range Acquisition On October 31, 2025, we acquired approximately 190 oil gas net royalty acres in the Midland and Delaware Basins from 89 Energy.
Hamilton Hamilton County Coal, LLC, an indirect wholly owned subsidiary of ARLP Haymaker Haymaker Minerals Royalties II, LLC High-sulfur coal Based on market expectations, our classification of coal with a sulfur content of greater than 3% HLBV Hypothetical liquidation at book value Indicated mineral resource (coal) That part of a mineral resource for which quantity and grade or quality are estimated on the basis of adequate geological evidence and sampling.
IRAs Individual retirement accounts IRS Internal Revenue Service Island Creek Island Creek Coal Company JC Land JC Land LLC JC Resources JC Resources LP JC Resources Acquisition On February 22, 2023, we acquired 2,682 oil gas net royalty acres in the Delaware Basin from JC Resources LP.
KYDNR Kentucky Department of Natural Resources Long-term contracts Contracts having a term of one year or greater Longwall mining An underground coal mining method that removes nearly all of a coal seam over a very large area using specialized equipment.
REMOVED
As of February 27, 2025, 128,428,024 common units were outstanding.
If rich hydrocarbon source rocks occur in combination with appropriate depth and duration of burial, then a petroleum system can develop within the basin.
Most basins contain some amount of shale, thus providing opportunities for shale oil gas exploration and production.
Basis differential The difference between the spot price of a commodity and the sales price at the delivery point where the commodity is sold Bbl Stock tank barrel, or 42 United States gallons liquid volume, used in reference to crude oil or other liquid hydrocarbons Belvedere Belvedere Operating, LLC Belvedere Acquisition On September 9, 2022, AR Midland acquired approximately 394 net oil gas royalty acres in the Delaware Basin from Belvedere.
Belvedere Acquisition Date September 9, 2022 Bitiki Bitiki KY, LLC, an indirect wholly owned subsidiary of ARLP Bituminous coal Coal used primarily to generate electricity and to make coke for the steel industry with a heat value ranging between 10,500 and 15,500 Btus per pound.
CCR Coal combustion residuals CEO Chief Executive Officer CERCLA Federal Comprehensive Environmental Response, Compensation and Liability Act CEQ Council on Environmental Quality CFO Chief Financial Officer CGA Cawley, Gillespie Associates, Inc.
CODM Chief operating decision maker Compensation Committee The compensation committee of the Board of Directors Compliance coal Coal which, when burned, emits 1.2 pounds or less of sulfur dioxide per MMBtus, requiring no blending or other sulfur dioxide reduction technologies in order to comply with the requirements of the Federal Clean Air Act.
Conflicts Committee The conflicts committee of the Board of Directors Continuous miner A machine used in underground mining to cut coal from the seam and load it onto conveyors or into shuttle cars in a continuous operation.
CSAPR Cross-State Air Pollution Rule CSX CSX Transportation, Inc.
The level of geological uncertainty associated with an inferred mineral resource is too high to apply relevant technical and economic factors likely to influence the prospects of economic extraction in a manner useful for evaluation of economic viability.