X0202 SCHEDULE 13G/A 0001038276 XXXXXXXX LIVE 1 Common Units Representing Limited Partner Interests 03/31/2026 0001980088 Mach Natural Resources LP 55445L100 14201 Wireless Way Suite 300 Oklahoma City OK 73134 Rule 13d-1(d) Tom L. Ward X1 89082.00 13959797.00 89082.00 13959797.00 14048879.00 N 8.4 IN Based on 168,224,213 Common Units outstanding as of May 1, 2026, as reported by the Issuer (as defined below) on its Form 10-Q filed with the U.S. Securities and Exchange Commission on May 7, 2026. Mach Natural Resources LP 14201 Wireless Way, Suite 300, Oklahoma City, Oklahoma 73134 Tom L. Ward 14201 Wireless Way, Suite 300 Oklahoma City, Oklahoma 73134 United States of America Y See response to Item 9 on the cover page. See response to Item 11 on the cover page. See response to Item 5 on the cover page. See response to Item 6 on the cover page. See response to Item 7 on the cover page. See response to Item 8 on the cover page. The reported securities include: (i) 13,295,039 Common Units held of record by Mr. Ward, as trustee of the Tom L. Ward 1992 Revocable Trust (the "Trust"), (ii) 421,100 Common Units held by Mach Resources LLC ("Mach Resources"), (iii) 167,030 Common Units held by the Tom L Ward Family Foundation and (iv) 76,628 Common Units held by WCT Resources LLC ("WCT"). Mr. Ward exercises control over Mach Resources as Mach Resources is owned 50.5% by the Trust and 49.5% by WCT which is owned by certain trusts affiliated with Mr. Ward. The Reporting Person may be deemed to have or share beneficial ownership (as that term is defined in Rule 13d-3 under the Act) of the reported securities, but the filing of this statement shall not be construed as an admission that the Reporting Person is, for the purposes of Section 13(d) or 13(g) of the Act, the beneficial owner of any securities covered by this statement. Y Y Y Y Y Y Tom L. Ward /s/ Tom L. Ward 05/12/2026