X0306 4 2022-02-21 false 0001489393 LyondellBasell Industries N.V. LYB 0001649570 Guilfoyle James D 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP, Adv Polymer Sol & Sup Chn Class A Ordinary Shares 2022-02-21 4 F false 826.00 99.84 D 30582.65 D Class A Ordinary Shares 2022-02-21 4 F false 856.00 99.84 D 29726.65 D Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting 3,443 shares of restricted stock units granted to the reporting person on February 21, 2019. Includes 12,943 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 3,390 granted on February 21, 2019 that vest on February 21, 2022; 4,365 granted on February 20, 2020 that vest on February 20, 2023 and 5,188 granted on February 25, 2021 that vest on February 25, 2024. Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting 3,390 shares of restricted stock units granted to the reporting person on February 21, 2019. Includes 9,553 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 4,365 granted on February 20, 2020 that vest on February 20, 2023 and 5,188 granted on February 25, 2021 that vest on February 25, 2024. /s/ Lara A. Mason, Attorney-in-Fact 2022-02-22