July 2, 2026 - Alliance Resource Partners, L.P. (NASDAQ: ARLP) ("ARLP") has announced that it has completed its previously announced acquisition of certain general partner and limited partner interests in AllDale Minerals III, LP and AllDale Minerals IV, LP for approximately $206.2 million, subject to customary post-closing adjustments.

ARLP funded the acquisition using a combination of cash on hand, borrowings under its revolving credit facility, and a new $150.0 million term loan at its wholly owned subsidiary Alliance Minerals, LLC.

Following the acquisition, ARLP now controls approximately 115,680 net royalty acres within its Oil & Gas Royalties segment, including over 44,770 net royalty acres in the Permian Basin. ARLP expects to provide additional commentary regarding the acquisition during its next quarterly earnings conference call.

About Alliance Resource Partners, L.P.

ARLP is a diversified natural resource company that is currently the second largest coal producer in the eastern United States, supplying reliable, affordable energy domestically and internationally to major utilities, metallurgical and industrial users. ARLP also generates operating and royalty income from mineral interests it owns in strategic coal and oil & gas producing regions in the United States. In addition, ARLP is positioning itself as a reliable energy partner for the future by pursuing opportunities that support the growth and development of energy-related technologies and infrastructure.