| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| HARTLEY C KEITH | Director | C/O UNIVERSAL DISPLAY CORPORATION, 250 PHILLIPS BLVD., EWING | /s/ C. Keith Hartley (by Mauro Premutico as power of attorney) | 02 Jul 2025 | 0001192994 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OLED | Common Stock | Award | $0 | +342 | +0.41% | $0 | 83,160 | 30 Jun 2025 | Direct |