X0306 4 2023-02-22 false 0001489393 LyondellBasell Industries N.V. LYB 0001791947 Foley Kimberly A 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP, Refining, I&D Class A Ordinary Shares 2023-02-22 4 A false 1500.00 94.89 A 25057.547 D Class A Ordinary Shares 2023-02-22 4 A false 468.00 94.89 A 25525.547 D Class A Ordinary Shares 2023-02-22 4 A false 335.00 94.89 A 25860.547 D Class A Ordinary Shares 2023-02-22 4 A false 93.00 94.89 A 25953.547 D Class A Ordinary Shares 2023-02-22 4 F false 23.00 94.89 D 25930.547 D Class A Ordinary Shares 2023-02-22 4 F false 114.00 94.89 D 25816.547 D Class A Ordinary Shares 2023-02-22 4 F false 363.00 94.89 D 25453.547 D Class A Ordinary Shares 2023-02-22 4 F false 82.00 94.89 D 25371.547 D Represents shares earned in connection with the performance-based stock units previously granted and unreportable on February 20, 2020 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 22, 2023 following certification by the Issuer's compensation committee. Includes 4,752 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 234 granted on August 1, 2020 that vest on August 1, 2023; 1,444 granted on February 25, 2021 that vest on February 25, 2024; 2,193 granted on February 24, 2022 that vest on February 24, 2025 and 881 granted on October 15, 2022 that vest on October 15, 2025. Represents shares earned in connection with the performance-based stock units previously granted and unreportable on August 1, 2020 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 22, 2023 following certification by the Issuer's compensation committee. Represents shares from the settlement of dividend equivalents that accrued on the performance-based stock units prior to vesting. Represents shares required to satisfy tax withholding obligations for dividend equivalents accrued of 93 shares in connection with performance-based stock units granted to the Reporting Person on August 1, 2020. Represents shares required to satisfy tax withholding obligations in connection with the vesting of 468 shares of performance-based stock units granted to the Reporting Person on August 1, 2020. Represents shares required to satisfy tax withholding obligations in connection with the vesting of 1,500 shares of performance-based stock units granted to the Reporting Person on February 20, 2020. Represents shares required to satisfy tax withholding obligations for dividend equivalents accrued of 335 shares in connection with performance-based stock units granted to the Reporting Person on February 20, 2020. /s/ Lara A. Mason, Attorney-in-Fact 2023-02-24