| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Conley Trisha L | EVP, People and Culture | 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM | /s/ Lara A. Mason, Attorney-in-Fact | 24 Feb 2026 | 0001964403 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LYB | Class A Ordinary Shares | Tax liability | $31,282 | -552 | -2.6% | $56.67 | 20,385 | 22 Feb 2026 | Direct | F1, F2 |
| transaction | LYB | Class A Ordinary Shares | Tax liability | $55,300 | -976 | -4.8% | $56.66 | 19,409 | 23 Feb 2026 | Direct | F3, F4 |
| Id | Content |
|---|---|
| F1 | On February 22, 2026 the reporting person's restricted stock units automatically vested 2,265 shares. 552 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. |
| F2 | Includes 15,022 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 4,008 granted on February 23, 2023 that vest on February 23, 2026; 2,265 granted on February 22, 2024 that vest on February 22, 2027; 2,917 granted on February 27, 2025 that vest on February 27, 2026; 2,916 granted on February 27, 2025 that vest on February 27, 2027 and 2,916 granted on February 27, 2025 that vest on February 27, 2028. |
| F3 | On February 23, 2026 the reporting person's restricted stock units automatically vested 4,008 shares. 976 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. |
| F4 | Includes 11,014 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,265 granted on February 22, 2024 that vest on February 22, 2027; 2,917 granted on February 27, 2025 that vest on February 27, 2026; 2,916 granted on February 27, 2025 that vest on February 27, 2027 and 2,916 granted on February 27, 2025 that vest on February 27, 2028. |