Mach Natural Resources LP (NYSE: MNR) (“Mach” or the “Company”) today announced that the Company’s tax packages for the year ended December 31, 2025, for common units, which include the Schedule K-1 (Form 1065), are now available for its common unitholders. The tax packages are available online at www.taxpackagesupport.com/mnr.

The Company expects to begin mailing the 2025 tax packages on approximately Thursday, March 19, 2026. For assistance and additional information, unitholders of Mach Natural Resources LP may call 833-609-4029 for K-1 tax package support on weekdays between 8 a.m. Central Time and 5 p.m. Central Time.

About Mach Natural Resources LP

Mach Natural Resources LP is an independent upstream oil and gas company focused on the acquisition, development and production of oil, natural gas, and NGL reserves. The Company operates a diversified portfolio across the Anadarko, Permian and San Juan Basins. For more information, please visit www.machnr.com.

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