| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Wright Scott J | Division President | 10003 WOODLOCH FOREST DRIVE, THE WOODLANDS | Rachel K. Muir, by Power of Attorney | 04 Dec 2025 | 0001675196 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HUN | Common Stock | Options Exercise | $241,089 | +27,211 | +17% | $8.86 | 188,533 | 02 Dec 2025 | Direct | |
| transaction | HUN | Common Stock | Tax liability | $251,720 | -24,088 | -13% | $10.45 | 164,445 | 02 Dec 2025 | Direct | F1 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HUN | Option (right to buy) | Options Exercise | $0 | -27,211 | -100% | $0.000000 | 0 | 02 Dec 2025 | Common Stock | 27,211 | $8.86 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | Represents a "net exercise" of outstanding stock options. These shares were withheld by Huntsman Corporation for payment of the exercise price and applicable taxes, based on the market price of Huntsman Corporation's common stock at the time of the option exercise on December 2, 2025 of $10.45. |
| F2 | These options granted under the Huntsman Corporation 2016 Stock Incentive Plan vested in three equal annual installments beginning on February 3, 2017. |