X0306 4 2020-02-16 false 0001489393 LyondellBasell Industries N.V. LYB 0001642974 Coombs Daniel M 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP - Global O&P, Proc, Tech Class A Ordinary Shares 2020-02-16 4 F false 1314.00 82.60 D 28062.308 D Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting 5,341 shares of restricted stock units granted to the reporting person on February 16, 2017. Includes 11,217 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 4,877 granted on February 21, 2018 that vest on February 21, 2021; 1,531 granted on February 21, 2018 that vest on February 21, 2021 and 4,809 granted on February 21,2019 that vest on February 21, 2022. ESPP purchase of 192.946 shares for $ 77.742 per share were allocated on December 31, 2019. /s/ Lara A. Mason, Attorney-in-Fact 2020-02-17