X0306 4 2020-02-20 false 0001489393 LyondellBasell Industries N.V. LYB 0001791947 Foley Kimberly A 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false VP Health Safety & Environment Class A Ordinary Shares 2020-02-20 4 A false 750.00 0.00 A 16177.547 D Stock Options (Right to Buy) 83.35 2020-02-20 4 A false 5121.00 0.00 A 2030-02-20 Class A Ordinary Shares 5121.00 5121.00 D Includes 1,844 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 482 granted on February 21, 2018 that vest on February 21, 2021 and 612 granted on February 21, 2019 that vest on February 21, 2022. The 750 RSUs reported on this Form 4 vest on February 20, 2023. Granted pursuant to the issuer's long-term incentive plan. Award vests in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant of February 20, 2020. /s/ Lara A. Mason, Attorney-in-Fact 2020-02-24