X0306 4 2020-02-20 true 0001489393 LyondellBasell Industries N.V. LYB 0001641335 Roudeix Richard 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false SVP, O&P - EAI Class A Ordinary Shares 2020-02-20 4 A false 1468.00 0.00 A 10271.751 D Stock Options (Right to Buy) 83.35 2020-02-20 4 A false 10027.00 0.00 A 2030-02-20 Class A Ordinary Shares 10027.00 10027.00 D Includes 3,884 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,034 granted on February 21, 2018 that vest on February 21, 2021 and 1,382 granted on February 21, 2019 that vest on February 21, 2022. The 1,468 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: 3,343 vest on February 20, 2021, 3,342 vest on February 20, 2022 and 3,342 vest on February 20, 2023. /s/ Lara A. Mason, Attorney-in-Fact 2020-02-24