X0508 4 2024-02-25 false 0001489393 LyondellBasell Industries N.V. LYB 0001783902 Seward James Malcolm 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP & Chief Innovation Officer false Class A Ordinary Shares 2024-02-25 4 F false 710.00 99.27 D 29038.00 D Class A Ordinary Shares 2024-02-26 4 M false 212.00 77.80 A 29250.00 D Class A Ordinary Shares 2024-02-26 4 M false 3340.00 94.65 A 32590.00 D Class A Ordinary Shares 2024-02-26 4 M false 4661.00 89.26 A 37251.00 D Class A Ordinary Shares 2024-02-26 4 F false 190.00 98.82 D 37061.00 D Class A Ordinary Shares 2024-02-26 4 F false 3269.00 98.82 D 33792.00 D Class A Ordinary Shares 2024-02-26 4 F false 4434.00 98.82 D 29358.00 D Stock Options (Right to Buy) 94.65 2024-02-26 4 M false 3340.00 0.00 D 2033-02-23 Class A Ordinary Shares 3340.00 6678.00 D Stock Options (Right to Buy) 89.26 2024-02-26 4 M false 4661.00 0.00 D 2032-02-24 Class A Ordinary Shares 4661.00 2330.00 D Stock Options (Right to Buy) 77.80 2024-02-26 4 M false 212.00 0.00 D 2032-10-15 Class A Ordinary Shares 212.00 424.00 D Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the vesting 1,433 shares of restricted stock units granted to the reporting person on February 25, 2021. Includes 9,663 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,768 granted on February 24, 2022 that vest on February 24, 2025; 168 granted on October 15, 2022 that vest on October 15, 2025; 2,639 granted on February 23, 2023 that vest on February 23, 2026 and 5,088 granted on February 22, 2024 of which 1,696 vest on February 22, 2025, 1,696 vest on February 22, 2026 and 1,696 vest on February 22, 2027. Represents a cashless exercise-and-hold, where shares were withheld to cover the option exercise price and anticipated taxes, and the remaining shares are retained by the reporting person. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 3,340 vested on February 23, 2024, 3,339 vest on February 23, 2025 and 3,339 vest on February 23, 2026. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 2,331 vested on February 24, 2023, 2,330 vested on February 24, 2024 and 2,330 vest on February 24, 2025. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 212 vested on October 15, 2023, 212 vest on October 15, 2024 and 212 vest on October 15, 2025. /s/ Lara A. Mason, Attorney-in-Fact 2024-02-27