X0508 4 2024-02-21 false 0001489393 LyondellBasell Industries N.V. LYB 0001556386 McMurray Michael C. ONE VINE STREET 4TH FLOOR LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP & CFO false Class A Ordinary Shares 2024-02-21 4 F false 9481.00 97.38 D 45467.00 D Class A Ordinary Shares 2024-02-21 4 F false 2228.00 97.38 D 43239.00 D Class A Ordinary Shares 2024-02-21 4 A false 27918.00 97.38 A 71157.00 D Class A Ordinary Shares 2024-02-21 4 A false 5662.00 97.38 A 76819.00 D Represents shares required to satisfy tax withholding obligations in connection with the vesting of 27,918 shares of performance-based stock units granted to the Reporting Person on February 25, 2021. Includes 22,936 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 6,980 granted on February 25, 2021 that vest on February 25, 2024; 7,236 granted on February 25, 2022 that vest on February 24, 2025 and 8,720 granted on February 23, 2023 that vest on February 23, 2026. Represents shares required to satisfy tax withholding obligations for dividend equivalents accrued of 5,662 shares in connection with performance-based stock units granted to the Reporting Person on February 25, 2021. Represents shares earned in connection with the performance-based stock units previously granted and unreportable on February 25, 2021 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 21, 2024 following certification by the Issuer's Compensation & Talent Development Committee. Represents shares from the settlement of dividend equivalents that accrued on the performance-based stock units prior to vesting. /s/ Lara A. Mason, Attorney-in-Fact 2024-02-23