| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Meagher Kevin K. | VP, R&D - Advanced Solutions | 901 E. HECTOR STREET, CONSHOHOCKEN | Victoria K. Gehris, Attorney-in-Fact for Kevin K. Meagher | 17 Mar 2026 | 0002104522 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | KWR | Restricted Stock Units | Award | +297 | $0.000000* | 297 | 15 Mar 2026 | Common Stock | 297 | Direct | F1 |
| Id | Content |
|---|---|
| F1 | Time-based RSUs granted under the Company's Long-Term Performance Incentive Plan, which will vest in three annual installments beginning on March 15, 2027. Each RSU represents a contingent right to receive one share of KWR common stock and DERs accrue with respect to these RSUs when and as dividends are paid on KWR common stock. |