| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| NACE ANDREW B | Executive Vice President | 5430 LBJ FREEWAY, SUITE1700, DALLAS | Jane R. Grimm, Attorney-in-fact, for Andrew B. Nace, Executive Vice President | 13 Aug 2025 | 0001364549 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KRO | Common Stock, par value $0.01 | Purchase | $5,760 | +1,000 | +6.1% | $5.76 | 17,453 | 13 Aug 2025 | Direct | |
| transaction | KRO | Common Stock, par value $0.01 | Purchase | $5,770 | +1,000 | +5.7% | $5.77 | 18,453 | 13 Aug 2025 | Direct | |
| transaction | KRO | Common Stock, par value $0.01 | Purchase | $2,980 | +500 | +2.7% | $5.96 | 18,953 | 13 Aug 2025 | Direct | |
| transaction | KRO | Common Stock, par value $0.01 | Purchase | $2,990 | +500 | +2.6% | $5.98 | 19,453 | 13 Aug 2025 | Direct |