| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Lail Crystal Dawn | VP and CFO | 3010 W 69TH STREET, SIOUX FALLS | Emily L. Folsom, by power of attorney | 25 Feb 2026 | 0001656678 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | NWE | Common Stock | Award | $86,247 | +1,260 | +4.3% | $68.45 | 30,430 | 24 Feb 2026 | Direct | F1, F2, F3 |
| transaction | NWE | Common Stock | Tax liability | $0 | -29 | -0.1% | $0.000000 | 30,401 | 24 Feb 2026 | Direct |
| Id | Content |
|---|---|
| F1 | Includes underlying deferred share units that are issuable subsequent to the reporting person's termination of service from the company. |
| F2 | Shares acquired upon 12/31/25 vesting of performance units granted under the company's 2020 Executive Retirement-Retention Plan. |
| F3 | Share price is the closing share price on 2/11/26, the date when the company's Board of Directors approved payout and vesting of the award. |