| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Nooney Kimberly F | SVP & CFO | PO BOX 1400, RAPID CITY | /s/Travis Frederickson | 09 Feb 2026 | 0001972522 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BKH | Common Stock | Award | $0 | +4,654 | +13% | $0.000000 | 39,924 | 06 Feb 2026 | Direct | F1 |
| transaction | BKH | Common Stock | Tax liability | $130,510 | -1,805 | -4.5% | $72.30 | 38,119 | 07 Feb 2026 | Direct | F2 |
| transaction | BKH | Common Stock | Tax liability | $17,888 | -250 | -0.66% | $71.48 | 37,868 | 09 Feb 2026 | Direct | F3 |
| transaction | BKH | Common Stock | Tax liability | $26,959 | -377 | -1% | $71.48 | 37,491 | 09 Feb 2026 | Direct | F4 |
| holding | BKH | Common Stock | 4 | 06 Feb 2026 | 401K |
| Id | Content |
|---|---|
| F1 | Shares acquired through a Restricted Stock Grant under the Company's Incentive Compensation Plan. |
| F2 | Shares used to pay tax withholding associated with Restricted Stock Vesting from 2-7-2025 Restricted Stock Grants |
| F3 | Shares used to pay tax withholding associated with Restricted Stock Vesting from 2-9-2023 Restricted Stock Grant |
| F4 | Shares used to pay tax withholding associated with Restricted Stock Vesting from 2-9-2024 Restricted Stock Grant |