X0306 4 2020-02-20 false 0001489393 LyondellBasell Industries N.V. LYB 0001634184 Kaplan Jeffrey A 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP & Chief Legal Officer Class A Ordinary Shares 2020-02-20 4 A false 4802.00 0.00 A 39084.00 D Stock Options (Right to Buy) 83.35 2020-02-20 4 A false 32804.00 0.00 A 2030-02-20 Class A Ordinary Shares 32804.00 32804.00 D Includes 15,107 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan including 3,248 granted on February 21, 2018 that vest on February 21, 2021; 2,751 granted on February 21, 2018 that vest on February 21, 2021 and 4,306 granted on February 21, 2019 that vest on February 21, 2022. The 4,802 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: 10,936 vest on February 20, 2021; 10,934 vest on February 20, 2022 and 10,934 vest on February 20, 2023. /s/ Lara A. Mason, Attorney-in-Fact 2020-02-24