X0306 4/A 2016-03-31 2016-04-04 0001489393 LyondellBasell Industries N.V. LYB 0001198097 DICCIANI NANCE K 4TH FLOOR ONE VINE STREET LONDON X0 W1J 0AH UNITED KINGDOM 1 Class A ordinary shares 2016-03-31 4 F 0 66.0000 80.2600 D 7456.6120 D Includes restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 1,647 granted on May 6, 2015 that vest on May 6, 2016. The Form 4 filed on April 4, 2016 disclosed a number of shares withheld for taxes in connection with the annual retainer payment of common stock in lieu of cash, which is paid in quarterly installments, which have been adjusted in this Amendment to appropriately disclose the number of shares actually withheld. An aggregate of 19 additional shares from that previously reported were actually withheld. The beneficial ownership amounts have been adjusted accordingly. /s/ Amanda K. Maki, Attorney in Fact 2016-04-04