X0306 4 2021-02-25 false 0001489393 LyondellBasell Industries N.V. LYB 0001556386 McMurray Michael C. ONE VINE STREET 4TH FLOOR LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP & CFO Class A Ordinary Shares 2021-02-25 4 A false 6980.00 0.00 A 34769.00 D Stock Options (Right to Buy) 104.41 2021-02-25 4 A false 36461.00 0.00 A 2031-02-25 Class A Ordinary Shares 36461.00 36461.00 D Includes 29,823 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 7,702 granted on November 5, 2019 that vest on November 5, 2021; 7,702 granted on November 5, 2019 that vest on November 5, 2022 and 7,439 granted on February 20, 2020 that vest on February 20, 2023. The 6,980 RSUs reported on this Form 4 vest on February 25, 2024. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 12,155 vest February 25, 2022, 12,153 vest February 25, 2023 and 12,153 vest February 25, 2024. /s/ Lara A. Mason, Attorney-in-Fact 2021-03-01