Information For U.S. Taxpayers

January 15, 2013

ROTTERDAM, Jan. 15, 2013 – LyondellBasell (NYSE: LYB) today reported the following information to U.S. taxpayers who are shareholders of LyondellBasell stock:

Internal Revenue Service (IRS) Form 8937 is used by issuers of specified securities to report organizational actions that affect the basis of the securities involved in the organizational action.  A link is posted below to a copy of our Form 8937 addressing the Company’s reporting of the U.S. tax treatment of the 2012 distributions of LyondellBasell Industries N.V.

We urge shareholders to consult with his or her own tax advisor to determine the tax consequences of the distributions, including any state, local or foreign tax considerations.

For more information see: 2012 IRS Form 8937 notification and disclosure.