X0306 4/A 2022-11-15 2022-11-17 0 0001489393 LyondellBasell Industries N.V. LYB 0001508237 AI INVESTMENTS HOLDINGS LLC C/O ACCESS INDUSTRIES, INC. 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019 0 0 1 0 0001391297 Access Industries Holdings LLC C/O ACCESS INDUSTRIES, INC. 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019 0 0 1 0 0001508227 ACCESS INDUSTRIES, LLC C/O ACCESS INDUSTRIES, INC. 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019 0 0 1 0 0001508226 ACCESS INDUSTRIES MANAGEMENT, LLC C/O ACCESS INDUSTRIES, INC. 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019 0 0 1 0 0001326628 Blavatnik Len C/O ACCESS INDUSTRIES, INC. 40 WEST 57TH STREET, 28TH FLOOR NEW YORK NY 10019 0 0 1 0 Ordinary shares 2022-11-15 4 S 0 20 86.3122 D 767082 D Ordinary shares 2022-11-15 4 S 0 7 86.9296 D 767075 D The price reported in Column 4 is a weighted average sales price of the ordinary shares. The ordinary shares were sold in multiple transactions ranging from $85.80 to $86.79, inclusive. The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares purchased at each separate price within the ranges set forth in this footnote to this Form 4. Each of the reporting persons (other than the direct holder) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities. The securities reported are held directly by AIIH and may be deemed to be indirectly beneficially owned by Access Industries, LLC, Access Industries Holdings LLC, Access Industries Management, LLC and Len Blavatnik because Access Industries Holdings LLC controls a majority of the outstanding voting interests in AIIH, Access Industries, LLC controls a majority of the outstanding voting interests in Access Industries Holdings LLC, Access Industries Management, LLC controls Access Industries, LLC, Access Industries Holdings LLC and AIIH, and Mr. Blavatnik controls Access Industries Management, LLC and a majority of the outstanding voting interests in Access Industries, LLC. The reporting persons' sales of ordinary shares reported herein are matchable under Section 16(b) of the Securities Exchange Act of 1934, as amended, to the extent of 4,000 shares, with the reporting persons' or their affiliate's purchase of 4,000 shares on November 1, 2022. The reporting persons have made arrangements with LyondellBasell Industries N.V. to voluntarily disgorge an aggregate of $37,197.89 to LyondellBasell Industries N.V., representing the full amount of the profit realized in connection with the short-swing transactions, less transaction costs. The price reported in Column 4 is a weighted average sales price of the ordinary shares. The ordinary shares were sold in multiple transactions ranging from $86.80 to $87.33, inclusive. The reporting persons undertake to provide to LyondellBasell Industries N.V., any security holder of LyondellBasell Industries N.V., or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of ordinary shares purchased at each separate price within the ranges set forth in this footnote to this Form 4. This Form 4 Amendment is filed to correct an administrative error, which misreported the number of ordinary shares directly held by AI Investments Holdings LLC ("AIIH") on November 15, 2022. The number of ordinary shares directly held by AIIH following the reported transactions is hereby corrected to reflect an increase of 4,000 shares. /s/ Alejandro Moreno for AI Investments Holdings LLC 2022-11-18 /s/ Alejandro Moreno for Access Industries Holdings LLC 2022-11-18 /s/ Alejandro Moreno for Access Industries, LLC 2022-11-18 /s/ Alejandro Moreno for Access Industries Management, LLC 2022-11-18 /s/ Alejandro Moreno, as Attorney-in-Fact for Mr. Blavatnik 2022-11-18