X0306 4 2012-12-11 0001489393 LyondellBasell Industries N.V. LYB 0001532849 Ovelmen Karyn F. STATIONSPLEIN 45 3013 AK P7 NETHERLANDS 1 EVP & CFO Class A ordinary shares 2012-12-11 4 A 0 4757.0000 54.0500 A 14568.0000 D Represents restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan, including 9,811 granted on February 28, 2012 that vest on February 28, 2017. Of the 4,757 RSUs reported on this Form 4, 912 vest on February 28, 2013, 1,013 vest on October 17, 2013, 910 vest on February 28, 2014, 1,012 vest on October 17, 2014 and 910 vest on February 28, 2015. /s/ Amanda K. Maki, Attorney in Fact 2012-12-13