Mach Natural Resources LP (NYSE:MNR) ("Mach" or the "Company") announced today that it will report third quarter 2025 results on Thursday, November 6, 2025, after the close of trading on the New York Stock Exchange. The third quarter 2025 earnings release will be available on the Company's website at www.ir.machnr.com.

The Company will host a conference call to discuss its financial and operating results at 9:00 a.m. Central (10:00 a.m. Eastern) on Friday, November 7, 2025. Participants can access the conference call by dialing 877-407-2984. A webcast link to the conference call will be provided on the Company's website at www.ir.machnr.com. A replay of the call will also be available on the Company's website following the call.

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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FOR FURTHER INFORMATION, PLEASE CONTACT:

Mach Natural Resources LP

Investor Relations Contact: ir@machnr.com

Mach Natural Resources LP Announces Earnings Release and Conference Call Schedule for Third Quarter 2025