On September 4, 2012, LyondellBasell Industries N.V. (the "Company") entered into an Underwriting Agreement (the "Underwriting Agreement") with Goldman, Sachs & Co., Deutsche Bank Securities Inc., Morgan Stanley & Co. LLC (the "Underwriters") and the selling shareholders listed on Schedule A-1 thereto (the "Selling Shareholders"), relating to the underwritten offering and sale by the Selling Shareholders of 17,500,000 ordinary shares (the "Shares"), par value €0.04 per share, of the Company (the "Offering"). The Shares are being sold at a price to the public of $46.94 per share. Pursuant to the Underwriting Agreement, the underwriters have the option, exercisable for 30 days from the date of the Underwriting Agreement, to purchase up to an additional 2,625,000 ordinary shares from the Selling Shareholders at the public offering price less any commissions payable by the Selling Shareholders. The Underwriting Agreement contains customary representations, warranties and covenants of the Company and the Selling Shareholders, conditions to closing, indemnification obligations of the Company, the Selling Shareholders and the Underwriters, and termination and other customary provisions. The foregoing description of the Underwriting Agreement does not purport to be complete and is qualified in its entirety by reference to the full text of the document which is attached as Exhibit 1.1 to this Current Report on Form 8-K and incorporated by reference herein. The Offering is expected to close on September 7, 2012.

The Offering was made pursuant to a shelf registration statement the Company filed with the Securities and Exchange Commission that became effective on November 8, 2011 (Registration No. 333-177806). Copies of certain legal opinions are filed as Exhibits 5.1, 8.1 and 8.2 to this Current Report on Form 8-K.

(d) Exhibits

 1.1    Underwriting Agreement dated September 4, 2012 among LyondellBasell
        Industries N.V., Goldman, Sachs & Co., Deutsche Bank Securities Inc.,
        Morgan Stanley & Co. LLC and the selling shareholders named therein.

 5.1    Opinion of De Brauw Blackstone Westbroek N.V., Dutch counsel for the
        Company.

 8.1    Opinion of De Brauw Blackstone Westbroek N.V., Dutch counsel for the
        Company.

 8.2    Opinion of Baker Botts L.L.P., U.S. counsel for the Company.

23.1    Consent of De Brauw Blackstone Westbroek N.V. (included in Exhibit 5.1).

23.2    Consent of De Brauw Blackstone Westbroek N.V. (included in Exhibit 8.1).

23.3    Consent of Baker Botts L.L.P. (included in Exhibit 8.2).