X0306 4 2023-02-08 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 Class A Ordinary Shares 2023-02-08 4 M false 424.00 67.40 A 17372.00 D Stock Options (Right to Buy) 67.40 2023-02-08 4 M false 424.00 0.00 D 2029-08-15 Class A Ordinary Shares 424.00 0.00 D Represents a buy and hold exercise by the reporting person. Includes 4,567 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,198 granted on February 20, 2020 that vest on February 20, 2023; 1,433 granted on February 25, 2021 that vest on February 25, 2024; 1,768 granted on February 24, 2022 that vest on February 24, 2025 and 168 granted on October 15, 2022 that vest on October 15, 2025. Granted pursuant to the issuer's long-term incentive plan. Award has fully vested. /s/ Lara A. Mason, Attorney-in-Fact 2023-02-09