| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| TURNER R GERALD DR | Director | 5430 LBJ FREEWAY, SUITE 1700, DALLAS | Jane R. Grimm, Attorney-in-Fact for R. Gerald Turner, Director | 15 May 2025 | 0001188513 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | NL | Common Stock $0.125 par value per share | 1,239 | 15 May 2025 | Direct |
Exhibit 24 - Power of Attorney