| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Painter Corning F. | Chief Executive Officer, Director | C/O ORION ENGINEERED CARBONS LLC, 1700 CITY PLAZA DRIVE, SUITE 300, SPRING | /s/ Corning F. Painter | 13 May 2025 | 0001519239 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | OEC | Common Shares, no par value | Purchase | $221,632 | +20,000 | +1.9% | $11.08 | 1,084,375 | 13 May 2025 | Direct |