| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| David C Sunkle | Director | 660 BETA DRIVE, CLEVELAND | /s/ Caroline S. Vaccariello, by power of attorney | 11 Mar 2026 | 0001385082 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | PLPC | Common shares, $2 par value | Disposed to Issuer | -1,600 | -50% | $260.34* | 1,607 | 10 Mar 2026 | Direct | ||
| holding | PLPC | Common shares, $2 par value | 408 | 10 Mar 2026 | by 401(k) plan |