| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Dumont Lisa M | VP, Controller & CAO | C/O CABOT CORPORATION, TWO SEAPORT LANE, SUITE 1400, BOSTON | By: Mazda Cintron, pursuant to a power of attorney from Lisa M. Dumont | 16 Jun 2025 | 0001800538 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | CBT | Phantom Stock Units | Award | $244 | +3 | +0.6% | $74.72 | 545 | 13 Jun 2025 | Common Stock | 3 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | 1 for 1 |
| F2 | The reported phantom stock units were acquired under the Corporation's supplemental 401(k) plan and are to be settled upon the reporting person's retirement or other termination of service. |