144 0001237636 XXXXXXXX LIVE 0002024218 Summit Midstream Corp 001-42201 910 LOUISIANA STREET, SUITE 4200 HOUSTON TX 77002 832-413-4770 PETERS JERRY L Director Common Charles Schwab Corporation

3000 Schwab Way Westlake TX 76262

15000 561600.00 12120835 03/17/2025 NYSE Common 08/01/2024 Unit Grants of SMLP Issuer N 15000 08/01/2024 Cash/Check Y Originally acquired on 09.27.2012 - 03.15.2023 as Unit Grants of SMLP. SMLP shares were exchanged for common stock of SMC on 08.01.2024. Shares are being sold out of the Jerry L Peters & Kari A Peters Revocable Trust. 03/17/2025 Jerry L Peters