| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Vanacker Peter Z. E. | Chief Executive Officer, Director | 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM | /s/ Lara A. Mason, Attorney-in-Fact | 20 Feb 2026 | 0001911538 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LYB | Class A Ordinary Shares | Award | $285,559 | +5,102 | +3.2% | $55.97 | 165,453 | 18 Feb 2026 | Direct | F1, F2 |
| transaction | LYB | Class A Ordinary Shares | Tax liability | $192,257 | -3,435 | -2.1% | $55.97 | 162,018 | 18 Feb 2026 | Direct | F2, F3 |
| transaction | LYB | Class A Ordinary Shares | Tax liability | $81,045 | -1,448 | -0.89% | $55.97 | 160,570 | 18 Feb 2026 | Direct | F2, F4 |
| transaction | LYB | Class A Ordinary Shares | Award | $789,513 | +14,106 | +8.8% | $55.97 | 174,676 | 18 Feb 2026 | Direct | F2, F5 |
| Id | Content |
|---|---|
| F1 | Represents shares from the settlement of dividend equivalents that accrued on the performance-based stock units prior to vesting and granted to the Reporting Person on February 23, 2023. |
| F2 | Includes 116,241 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 28,211 granted on February 23, 2023 that vest on February 23, 2026; 15,406 granted on February 22, 2024 that vest on February 22, 2026; 15,406 granted on February 22, 2024 that vest on February 22, 2027; 19,074 granted on February 27, 2025 that vest on February 27, 2026; 19,072 granted on February 27, 2025 that vest on February 27, 2027 and 19,072 granted on February 27, 2025 vest on February 27, 2028. |
| F3 | Represents shares required to satisfy tax withholding obligations in connection with the vesting of 14,106 shares of performance-based stock units granted to the Reporting Person on February 23, 2023. |
| F4 | Represents shares required to satisfy tax withholding obligations for dividend equivalents accrued of 5,102 shares in connection with performance-based stock units granted to the Reporting Person on February 23, 2023. |
| F5 | Represents shares earned in connection with the performance-based stock units previously granted and unreportable on February 23, 2023 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 18, 2026 following certification by the Issuer's Compensation & Talent Development Committee. |