X0306 4 2021-03-10 false 0001489393 LyondellBasell Industries N.V. LYB 0001791947 Foley Kimberly A 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM false true false false SVP HSE, Glob Eng & Turnarnds Class A Ordinary Shares 2021-03-10 4 M false 2237.00 92.69 A 21414.547 D Class A Ordinary Shares 2021-03-10 4 M false 1304.00 89.94 A 22718.547 D Class A Ordinary Shares 2021-03-10 4 M false 1707.00 83.35 A 24425.547 D Class A Ordinary Shares 2021-03-10 4 M false 2236.00 88.50 A 26661.547 D Class A Ordinary Shares 2021-03-10 4 F false 1405.00 108.90 D 25256.547 D Class A Ordinary Shares 2021-03-10 4 F false 1131.00 108.90 D 24125.547 D Class A Ordinary Shares 2021-03-10 4 F false 1920.00 108.90 D 22205.547 D Class A Ordinary Shares 2021-03-10 4 F false 1986.00 108.90 D 20219.547 D Stock Options (Right to Buy) 92.69 2021-03-10 4 M false 2237.00 0.00 D 2027-02-16 Class A Ordinary Shares 2237.00 0.00 D Stock Options (Right to Buy) 89.94 2021-03-10 4 M false 1304.00 0.00 D 2025-02-17 Class A Ordinary Shares 1304.00 0.00 D Stock Options (Right to Buy) 88.50 2021-03-10 4 M false 2236.00 0.00 D 2029-02-21 Class A Ordinary Shares 2236.00 1117.00 D Stock Options (Right to Buy) 83.35 2021-03-10 4 M false 1707.00 0.00 D 2030-02-20 Class A Ordinary Shares 1707.00 3414.00 D 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. Includes 3,040 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 612 granted on February 21, 2019 that vest on February 21, 2022; 750 granted on February 20, 2020 that vest on February 20, 2023; 234 granted on August 1, 2020 that vest on August 1, 2023 and 1,444 granted on February 25, 2021 that vest on February 25, 2024. Granted pursuant to the issuer's long-term incentive plan. Award vested as follows: 747 vested on February 16, 2018, 745 vested on February 16, 2019 and 745 vested on February 16, 2020. Granted pursuant to the issuer's long-term incentive plan. Award vested as follows: 436 vested on February 17, 2016, 434 vested on February 17, 2017 and 434 vest on February 17, 2018. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 1,119 vested on February 21, 2020, 1,117 vested on February 21, 2021 and 1,117 vest on February 21, 2022. 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 2021-03-11