| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Nooney Kimberly F | SVP & CFO | PO BOX 1400, RAPID CITY | /s/Travis Frederickson | 04 Feb 2026 | 0001972522 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BKH | Common Stock | Other | +649 | +1.9% | 35,270 | 01 Mar 2025 | Direct | F1 | ||
| holding | BKH | Common Stock | 4 | 31 Dec 2024 | 401K |
| Id | Content |
|---|---|
| F1 | Shares acquired through the Company's Dividend Reinvestment Plan. |