| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Waldo Robert | Director | 6733 S. YALE AVE., TULSA, | /s/ Tamara R. Sloan, Power of Attorney | 16 Jul 2025 | 0001728668 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | BOKF | Common Stock | Award | $19,951 | +207 | +0.57% | $96.38 | 36,785 | 14 Jul 2025 | Robert A. Waldo Revocable Trust |