| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Redden Donald Lee JR | CITO | P.O. BOX 1400, RAPID CITY | /s/Travis Frederickson | 20 Aug 2025 | 0002082700 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | BKH | Common Stock | 0 | 21 Jul 2025 | Direct |