X0508 4 2026-02-09 0 0001980088 MACH NATURAL RESOURCES LP MNR 0000949615 KAYNE ANDERSON CAPITAL ADVISORS LP 2121 AVENUE OF THE STARS 9TH FLOOR LOS ANGELES CA 90067 0 0 1 0 0002083178 Sabinal Energy Operating, LLC 717 TEXAS AVENUE, SUITE 2200 HOUSTON TX 77002 0 0 1 0 0 Common Units 2026-02-09 4 J 0 227547 14.56 D 18960034 I Sabinal Energy Operating, LLC As part of the purchase and sale agreement between Mach Natural Resources ("MNR") and Sabinal Energy Operating, LLC ("Sabinal") (the "PSA"), MNR issued Sabinal 19,187,581 Common Units (the "Sabinal Common Units"), as previously disclosed in the Form 3 filed on 9/22/25. In accordance with the final purchase price adjustment mechanics contained in the PSA, Sabinal has agreed to deliver to MNR 227,547 Sabinal Common Units. The reported units are held by Sabinal Energy Operating, LLC, a portfolio company of a private investment fund managed by Kayne Anderson Capital Advisors, L.P. /s/ Michael O'Neil 2026-02-11 /s/ Oren Marouni 2026-02-11