Dorchester Minerals, L.P. Announces the Retirement of Mr. William Casey McManemin from the Board of Managers; Appointments of Mr. Robert C. Vaughn as Interim Chairman and Mr. Albert G. Nance III to the Board of Managers

DALLAS, Dec. 09, 2025 (GLOBE NEWSWIRE) -- Dorchester Minerals, L.P. (the “Partnership”) (NASDAQ-DMLP) announces the retirement of Mr. William Casey McManemin from the Board of Managers of Dorchester Minerals Management GP LLC, the general partner of the Partnership’s general partner (the “Board”), effective December 31, 2025.