MACH NATURAL RESOURCES LP

As previously disclosed on July 10, 2025, Mach Natural Resources LP (the “Company”) entered into a purchase and sale agreement (the “Sabinal Purchase Agreement,” and the transactions contemplated by the Sabinal Purchase Agreement, the “Sabinal Acquisition”) with Sabinal Energy Operating, LLC, Sabinal Resources, LLC and Sabinal CBP, LLC (collectively, the “Sabinal Sellers”), pursuant to which the Company agreed to purchase from the Sabinal Sellers certain rights, title and interests in oil and gas properties, rights and related assets located in certain designated lands in the Permian Basin (the “Sabinal Assets”).

Further, as previously disclosed on July 10, 2025, the Company entered into amembership interest purchase agreement (the “IKAV Purchase Agreement,” and the transactions contemplated by the IKAV Purchase Agreement, the “IKAV Acquisition”) with VEPU Inc. and Simlog Inc. (collectively, the “IKAV Sellers” and, together with the Sabinal Sellers, the “Sellers”), pursuant to which the Company agreed to purchase from the IKAV Sellers 100% of the membership interests in SIMCOE LLC and Simlog LLC (together with Simlog LLC’s wholly owned subsidiary, SJ Investment Opps LLC, the “Company Group”). The Company Group owns certain rights, title and interests in oil and gas properties, rights and related assets located in certain designated lands in the San Juan Basin of New Mexico and Colorado (the “IKAV Assets”).

Item 1.01. Entry Into a Material Definitive Agreement.