X0306 4 2020-11-05 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 Class A Ordinary Shares 2020-11-05 4 F false 2758.00 74.21 D 27789.00 D Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting 7,704 shares of restricted stock units granted to the reporting person on November 5, 2019. Includes 22,843 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 7,702 granted on November 5, 2019 that vest on November 5, 2021; 7,702 granted on November 5, 2019 that vest on November 5, 2022 and 7,439 granted on February 20, 2020 that vest on February 20, 2023. /s/ Lara A. Mason, Attorney-in-Fact 2020-11-06