| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CLEARY JAMES J | Director | C/O SUMMIT MIDSTREAM CORPORATION, 910 LOUISIANA STREET, SUITE 4200, HOUSTON | /s/ James D. Johnston, Attorney-in-Fact for James J. Cleary | 18 Mar 2026 | 0001326432 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | SMC | Common Stock | Award | +3,733 | +11% | $0.000000* | 37,004 | 16 Mar 2026 | Direct |