| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hansen Steen Weien | Division President | 10003 WOODLOCH FOREST DRIVE, THE WOODLANDS | Rachel K. Muir, by Power of Attorney | 17 Feb 2026 | 0002066896 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HUN | Common Stock | Award | $0 | +30,143 | +21% | $0.000000 | 174,183 | 12 Feb 2026 | Direct | F1 |
| transaction | HUN | Common Stock | Options Exercise | +1,513 | +0.87% | 175,696 | 13 Feb 2026 | Direct | F2 | ||
| transaction | HUN | Common Stock | Tax liability | $5,931 | -449 | -0.26% | $13.21 | 175,247 | 13 Feb 2026 | Direct | F3 |
| transaction | HUN | Common Stock | Options Exercise | +1,950 | +1.1% | 177,197 | 13 Feb 2026 | Direct | F2 | ||
| transaction | HUN | Common Stock | Tax liability | $7,649 | -579 | -0.33% | $13.21 | 176,618 | 13 Feb 2026 | Direct | F3 |
| transaction | HUN | Common Stock | Options Exercise | +3,141 | +1.8% | 179,759 | 13 Feb 2026 | Direct | F2 | ||
| transaction | HUN | Common Stock | Tax liability | $12,312 | -932 | -0.52% | $13.21 | 178,827 | 13 Feb 2026 | Direct | F3 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Underlying Class | Amount | Exercise Price | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | HUN | Phantom Stock | Options Exercise | $0 | -1,513 | -100% | $0.000000 | 0 | 13 Feb 2026 | Common Stock | 1,513 | Direct | F2 | |
| transaction | HUN | Phantom Stock | Options Exercise | $0 | -1,950 | -50% | $0.000000 | 1,950 | 13 Feb 2026 | Common Stock | 1,950 | Direct | F2 | |
| transaction | HUN | Phantom Stock | Options Exercise | $0 | -3,141 | -33% | $0.000000 | 6,282 | 13 Feb 2026 | Common Stock | 3,141 | Direct | F2 |
| Id | Content |
|---|---|
| F1 | These shares of restricted stock granted under the Huntsman Corporation 2025 Stock Incentive Plan vest in three equal annual installments beginning February 12, 2027. |
| F2 | Each share of phantom stock represents a right to receive one share of common stock or, at Huntsman Corporation's election, the cash value thereof. The reporting person's shares of phantom stock were settled for shares of common stock. |
| F3 | Shares automatically withheld upon settlement of phantom stock. |