X0306 4 2021-02-25 false 0001489393 LyondellBasell Industries N.V. LYB 0001767575 Sharma Anup 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false SVP, Global Business Services Class A Ordinary Shares 2021-02-25 4 A false 2104.00 0.00 A 9185.00 D Stock Options (Right to Buy) 104.41 2021-02-25 4 A false 10988.00 0.00 A 2031-02-25 Class A Ordinary Shares 10988.00 10988.00 D Includes 7,538 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,034 granted on February 21, 2019 that vest on February 21, 2022; 1,130 granted on February 21, 2019 that vest on February 21, 2022 and 2,270 granted on February 20, 2020 that vest on February 20, 2023. The 2,104 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: 3,664 vest February 25, 2022, 3,662 vest February 25, 2023 and 3,662 vest February 25, 2024. /s/ Lara A. Mason, Attorney-in-Fact 2021-03-01