| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Nooney Kimberly F | SVP & CFO | PO BOX 1400, RAPID CITY | /s/Travis Frederickson | 12 Feb 2026 | 0001972522 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BKH | Common Stock | Award | $146,859 | +2,006 | +5.4% | $73.21 | 39,497 | 12 Feb 2026 | Direct | F1 |
| transaction | BKH | Common Stock | Tax liability | $58,994 | -806 | -2% | $73.21 | 38,691 | 12 Feb 2026 | Direct | F2 |
| holding | BKH | Common Stock | 4 | 12 Feb 2026 | 401K |
| Id | Content |
|---|---|
| F1 | Shares acquired through the 2023-2025 Performance Share Plan under the Company's Omnibus Incentive Plan. |
| F2 | Shares used to pay tax withholding associated with 2023-2025 Performance Shares Plan payout from 2-12-2026. |