| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wood Matthew Forster | Senior Vice President | C/O CABOT CORPORATION, TWO SEAPORT LANE, BOSTON | By: Mazda Cintron, pursuant to a power of attorney from Matthew F. Wood | 2025-06-17 | 0002073644 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CBT | Common Stock | 10.8K | Jun 15, 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| holding | CBT | Phantom Stock | Jun 15, 2025 | Common Stock | 256 | $74.72 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Includes 670 performance based units earned on the basis of the Corporation's performance in fiscal years 2022 and 2023 (which remain subject to time-based vesting) and 4,130 units subject to time-based vesting. |
| F2 | Each share of phantom stock is the economic equivalent of one share of Cabot Corporation's common stock. The shares of phantom stock will be settled in shares of Cabot Corporation common stock upon termination of his employment with Cabot Corporation. |