| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Sullivan Linda G | Director | 3010 W 69TH STREET, SIOUX FALLS | Emily L. Folsom, by power of attorney | 07 Oct 2025 | 0001328106 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NWE | Common Stock | Award | $54,976 | +938 | +3.1% | $58.61 | 31,600 | 06 Oct 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | Fourth quarter stock grant for 2025 received pursuant to the NorthWestern Energy Group, Inc. compensation rate schedule for non-employee directors. |
| F2 | Includes shares acquired from dividend reinvestment. |