| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Izquierdo Sabido Agustin | EVP & Chief Financial Officer | 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM | /s/ Lara A. Mason, Attorney-in-Fact | 2025-11-17 | 0002056904 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LYB | Class A Ordinary Shares | Tax liability | -$52.4K | -1.16K | -7.58% | $45.30 | 14.1K | Nov 15, 2025 | Direct | F1, F2 |
| Id | Content |
|---|---|
| F1 | On November 15, 2025, the reporting person's restricted stock units automatically vested 4,741 shares. 1,156 shares were withheld by the issuer to satisfy the issuer's tax withholding obligations. |
| F2 | Represents 9,725 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 424 granted on February 23, 2023 that vest on February 23, 2026; 242 granted on February 22, 2024 that vest on February 22, 2026; 242 granted on February 22, 2024 that vest on February 22, 2027; 182 granted on April 15, 2024 that vest on April 15, 2026; 182 granted on April 15, 2024 that vest on April 15, 2027; 2,819 granted on February 27, 2025 that vest on February 27, 2026; 2,817 granted on February 27, 2025 that vest on February 27, 2027 and 2,817 granted on February 27, 2025 that vest on February 27, 2028. |