X0306 4 2021-05-07 false 0001489393 LyondellBasell Industries N.V. LYB 0001782276 Lane Kenneth Todd 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false EVP, Global O&P Class A Ordinary Shares 2021-05-07 4 M false 13149.00 83.35 A 46549.00 D Class A Ordinary Shares 2021-05-07 4 F false 10471.00 114.06 D 36078.00 D Stock Options (Right to Buy) 83.35 2021-05-07 4 M false 13149.00 0.00 D 2030-02-20 Class A Ordinary Shares 13149.00 26298.00 D Includes 25,349 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 5,628 granted on July 15, 2019 that vest on July 15, 2021; 5,628 granted on July 15, 2019 that vest on July 15, 2022; 2,441 granted on July 15, 2019 that vest on July 15, 2022; 5,774 granted on February 20, 2020 that vest on February 20, 2023 and 5,878 granted on February 25, 2021 that vest on February 25, 2024. Granted pursuant to the issuer's long-term incentive plan. Award vests in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant of February 20, 2020. /s/ Lara A. Mason, Attorney-in-Fact 2021-05-11