X0306 4 2017-05-23 0001489393 LyondellBasell Industries N.V. LYB 0001644643 Benet Lincoln E 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM 1 Class A ordinary shares 2017-05-23 4 A 0 2110.0000 0.0000 A 4062.0000 D Includes restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 2,110 granted on May 23, 2017 that vest on May 23, 2018. /s/ Amanda K. Maki, Attorney in Fact 2017-05-25