X0508 4 2024-02-22 false 0001489393 LyondellBasell Industries N.V. LYB 0001780174 Rhenman Torkel 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP, Adv Polymer Solutions false Class A Ordinary Shares 2024-02-22 4 A false 10421.00 0.00 A 78404.00 D Includes 28,630 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 5,878 granted on February 25, 2021 that vest on February 25, 2024; 5,970 granted on February 24, 2022 that vest on February 24, 2025 and 6,361 granted on February 23, 2023 that vest on February 23, 2026. The 10,421 RSUs reported on this Form 4 vest as follows: 3,475 vest on February 22, 2025, 3,473 vest on February 22, 2026 and 3,473 vest on February 22, 2027. /s/ Lara A. Mason, Attorney-in-Fact 2024-02-26