| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HAUGEN JANET BRUTSCHEA | Director | 530 HERMAN O. WEST DRIVE, EXTON | /s/ Louis Lalli, as an agent for Janet Haugen | 05 Jan 2026 | 0001185136 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | WST | Common Stock | 1,320 | 31 Dec 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | WST | Phantom Stock Unit | Award | $12,656 | +46 | +28% | $275.14 | 208 | 31 Dec 2025 | Common Stock | 46 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Reflects 1,071 shares of restricted stock units and dividend equivalents that will vest in full on the date of the next annual shareholder meeting and will be distributable under the terms of the Deferred Compensation Plan for Outside Directors. |
| F2 | Awards of Phantom stock units are to be settled by delivery of shares of stock upon the reporting person's termination as a director. |