X0306 4 2020-02-20 false 0001489393 LyondellBasell Industries N.V. LYB 0001500293 Patel Bhavesh V. 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM true true false false Chief Executive Officer Class A Ordinary Shares 2020-02-20 4 A false 35431.00 0.00 A 165389.00 D Class A ordinary shares 195375.00 I By Family Trust Stock Options (Right to Buy) 83.35 2020-02-20 4 A false 242060.00 0.00 A 2030-02-20 Class A Ordinary Shares 242060.00 242060.00 D Includes 97,284 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 27,071 granted on February 21, 2018 that vest on February 21, 2021 and 34,782 granted on February 21, 2019 that vest on February 21, 2022. The 35,431 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: 80,688 vest on February 20, 2021; 80,686 vest on February 20, 2022 and 80,686 vest on February 20, 2023. /s/ Lara A. Mason, Attorney-in-Fact 2020-02-24