X0206 3 2024-03-01 0 0001489393 LyondellBasell Industries N.V. LYB 0002012815 Ledet Aaron J 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP, I&D Class A Ordinary Shares 6732.00 D Stock Options (Right to buy) 99.21 2031-02-25 Class A Ordinary Shares 1334.00 D Stock Options (Right to buy) 94.65 2033-02-23 Class A Ordinary Shares 5518.00 D Stock Options (Right to buy) 89.26 2032-02-24 Class A Ordinary Shares 1500.00 D Stock Options (Right to buy) 80.68 2032-12-15 Class A Ordinary Shares 518.00 D Represents 6,223 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 570 granted on February 24, 2022 that vest on February 24, 2025; 300 granted on April 1, 2022 that vest on April 1, 2024; 202 granted on December 15, 2022 that vest on December 15, 2025; 1,453 granted on February 23, 2023 that vest on February 23, 2026 and 3,698 granted on February 22, 2024 of which 1,234 vest on February 22, 2025, 1,232 vest on February 22, 2026 and 1,232 vest on February 22, 2027. Granted pursuant to the issuer's long-term incentive plan. Award has fully vested. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 1,840 vested on February 23, 2024, 1,839 vest on February 23, 2025 and 1,839 vest on February 23, 2026. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 751 vested on February 24, 2023, 750 vested on February 24, 2024 and 750 vest on February 24, 2025. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 260 vested on December 15, 2023, 259 vest on December 15, 2024 and 259 vest on December 15, 2025. /s/ Lara A. Mason, Attorney-in-Fact 2024-03-08