| Name | Relationship | Address | Signature | Signature date | CIK |
|---|---|---|---|---|---|
| Hayes Matthew D | SVP & CAO | 4TH FLOOR, ONE VINE STREET, LONDON, UNITED KINGDOM | /s/ Lara A. Mason, Attorney-in-Fact | 20 Feb 2026 | 0002062500 |
| Type | Sym | Class | Transaction | Value $ | Shares | Change % | * Price $ | Shares After | Date | Ownership | Footnotes |
|---|---|---|---|---|---|---|---|---|---|---|---|
| transaction | LYB | Class A Ordinary Shares | Tax liability | $3,470 | -62 | -1.3% | $55.97 | 4,862 | 18 Feb 2026 | Direct | F1, F2 |
| transaction | LYB | Class A Ordinary Shares | Tax liability | $1,287 | -23 | -0.47% | $55.97 | 4,839 | 18 Feb 2026 | Direct | F2, F3 |
| transaction | LYB | Class A Ordinary Shares | Award | $11,642 | +208 | +4.3% | $55.97 | 5,047 | 18 Feb 2026 | Direct | F2, F4 |
| transaction | LYB | Class A Ordinary Shares | Award | $4,254 | +76 | +1.5% | $55.97 | 5,123 | 18 Feb 2026 | Direct | F2, F5 |
| Id | Content |
|---|---|
| F1 | Represents shares required to satisfy tax withholding obligations in connection with the vesting of 208 shares of performance-based stock units granted to the Reporting Person on February 23, 2023. |
| F2 | Includes 2,920 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 417 granted on February 23, 2023 that vest on February 23, 2026; 237 granted on February 22, 2024 that vest on February 22, 2026; 237 granted on February 22, 2024 that vest on February 22, 2027; 307 granted on February 27, 2025 that vest on February 27, 2026; 623 granted on October 15, 2024 that vest on October 15, 2026; 305 granted on February 27, 2025 that vest on February 27, 2027; 305 granted on February 27, 2025 that vest on February 27, 2028 and 489 granted on April 15, 2025 of which 163 vest on April 15, 2026, 163 vest on April 15, 2027 and 163 vest on April 15, 2028. |
| F3 | Represents shares required to satisfy tax withholding obligations for dividend equivalents accrued of 76 shares in connection with performance-based stock units granted to the Reporting Person on February 23, 2023. |
| F4 | 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. |
| F5 | 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. |