| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Cashell Michael R | VP - Transmission | 11 EAST PARK STREET, BUTTE | Emily L. Folsom, by power of attorney | 22 Jan 2026 | 0001522052 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NWE | Common Stock | Tax liability | $24,590 | -381 | -1.5% | $64.54 | 24,354 | 22 Jan 2026 | Direct |