| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| CHEVRON CORP | Director, 10%+ Owner | 1400 SMITH STREET, HOUSTON | Hess Investments North Dakota LLC, By: /s/ Kari H. Endries, Assistant Secretary | 04 Mar 2026 | 0000093410 |
| HESS CORP | Director, 10%+ Owner | 1400 SMITH STREET, HOUSTON | Hess Corporation, By: /s/ Kari H. Endries, Vice President and Assistant Secretary | 04 Mar 2026 | 0000004447 |
| Hess Investments North Dakota LLC | Director, 10%+ Owner | 1400 SMITH STREET, HOUSTON | Chevron Corporation, By: /s/ Jessica G. Cauley, Assistant Secretary | 04 Mar 2026 | 0001702361 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HESM | Class B Shares | Other | -455,811 | -0.58% | $0.000000* | 77,827,485 | 04 Mar 2026 | See footnote | F1, F2 | |
| holding | HESM | Class A Shares | 449,000 | 04 Mar 2026 | See footnote | F2 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HESM | Opco Class B Units | Disposed to Issuer | -455,811 | -0.58% | $39.49* | 77,827,485 | 04 Mar 2026 | Class A Shares | 455,811 | See footnote | F2, F3 |
| Id | Content |
|---|---|
| F1 | Reflects the cancellation for no consideration of 455,811 Class B Shares in connection with Hess Midstream Operations LP's repurchase of 455,811 Opco Class B Units from Hess Investments North Dakota LLC ("HINDL") and the subsequent cancellation of such Opco Class B Units. |
| F2 | Represents securities held by HINDL. HINDL is a direct, wholly owned subsidiary of Hess Corporation ("Hess"), which is a direct, wholly owned subsidiary of Chevron Corporation ("Chevron"). As a result, Chevron and Hess may be deemed to beneficially own the securities held of record by HINDL. Chevron and Hess disclaim beneficial ownership of such securities except to the extent of their pecuniary interest therein. |
| F3 | The Opco Class B Units may be converted at any time into Class A Shares on a one-to-one basis and have no expiration date. |