X0306 4 2020-02-20 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 2020-02-20 4 A false 4365.00 0.00 A 26114.00 D Stock Options (Right to Buy) 83.35 2020-02-20 4 A false 29816.00 0.00 A 2030-02-20 Class A Ordinary Shares 29816.00 29816.00 D Includes 13,506 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,308 granted on February 21, 2018 that vest on February 21, 2021; 3,443 granted on February 21, 2019 that vest on February 21, 2022 and 3,390 granted on February 21, 2019 that vest on February 21, 2022. The 4,365 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: 9,940 vest on February 20, 2021, 9,938 vest on February 20, 2022 and 9,938 vest on February 20, 2023. /s/ Lara A. Mason, Attorney-in-Fact 2020-02-24