X0508 4 2025-02-27 true 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 false Class A Ordinary Shares 2025-02-27 4 A false 18305.00 0.00 A 113108.00 D Includes 36,881 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 8,720 granted on February 23, 2023 that vest on February 23, 2026 and 14,786 granted on February 22, 2024 of which 4,930 vested on February 22, 2025, 4,928 vest on February 22, 2026 and 4,928 vest on February 22, 2027. The 18,305 RSUs reported on this Form 4 vest as follows: 6,103 vest on February 27, 2026, 6,101 vest on February 27, 2027 and 6,101 vest on February 27, 2028. /s/ Lara A. Mason, Attorney-in-Fact 2025-03-03