X0306 4 2020-02-20 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 2020-02-20 4 A false 6383.00 0.00 A 38996.308 D Stock Options (Right to Buy) 83.35 2020-02-20 4 A false 43604.00 0.00 A 2030-02-20 Class A Ordinary Shares 43604.00 43604.00 D Includes 17,600 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. The 6,383 RSUs reported on this Form 4 vest on February 20, 2023. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 14,536 vest on February 20, 2021, 14,534 vest on February 20, 2022 and 14,534 vest on February 20, 2023. /s/ Lara A. Mason, Attorney-in-Fact 2020-02-24