LyondellBasell commences public offering of 15mn shares

The selling shareholders will agree to a lock-up (subject to certain exceptions) for a period of 30 days after the date of the prospectus supplement for the offering.  LyondellBasell will not receive any proceeds from the offering. The total number of LyondellBasell ordinary shares outstanding will not change as a result of the offering.

An automatic shelf registration statement relating to the Company's ordinary shares was previously filed with the Securities and Exchange Commission (SEC) and became effective upon filing. Before you invest, you should read the prospectus in that registration statement and other documents the Company has filed with the SEC for more complete information about the Company and this offering.

LyondellBasell is one of the world's largest plastics, chemical and refining companies and a member of the S&P 500 Index. LyondellBasell manufactures products at 58 sites in 18 countries. LyondellBasell products and technologies are used to make items that improve the quality of life for people around the world including packaging, electronics, automotive parts, home furnishings, construction materials and biofuels.

LyondellBasell