X0306 4/A 2021-01-04 2021-01-15 false 0001489393 LyondellBasell Industries N.V. LYB 0001335032 Cooper Stephen Forbes 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM true false false false Class A Ordinary Shares 2021-01-04 5 G false E 15619.00 0.00 D 18645.00 D Class A Ordinary Shares 2021-01-04 5 G false E 15619.00 0.00 A 15619.00 I By Spouse The Form 4 filed on January 15, 2021 disclosed a gift of shares to reporting person's spouse, which has been adjusted in this Amendment to correct the number of shares transferred and the date of the gift, reflecting the transfer of 1,513 fewer shares than previously reported. The beneficial ownership amount has been adjusted accordingly. This transaction involved a gift of securities by reporting person to his spouse, who shares reporting person's household. The reporting person disclaims beneficial ownership of the shares held by his spouse, and this report should not be deemed an admission that the reporting person is the beneficial owner of his spouse's shares for purposes of Section 16 or any other purpose. Includes restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,640 granted on May 28, 2020 that vest May 28, 2021. /s/ Lara A. Mason, Attorney-in-Fact 2021-01-20