LYB

SEC source: 0001225208-17-004031 · doc4.xml · derivative · entry 5

Patel Bhavesh V. · CIK 0001500293 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 130,572

Underlying: Class A ordinary shares · 130,572 shares

Expires 2027-02-16

F4 · derivative.exercise_date: Granted pursuant to the issuer's long-term incentive plan. Award vests in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant of February 16, 2017.

SEC source: 0001225208-17-004031 · doc4.xml · nonDerivative · entry 3

Patel Bhavesh V. · CIK 0001500293 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 173,637

F3 · shares: Represents shares required to satisfy tax withholding obligations in connection with the vesting of 4,547 shares of performance-based stock granted to the Reporting Person on February 20, 2014.

F1 · balance_after: Includes 141,070 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 875 granted on February 20, 2014 that vest on February 20, 2017; 23,638 granted on January 12, 2015 that vest on January 12, 2018; 23,638 granted on January 12, 2015 that vest on January 12, 2019; 23,637 granted on January 12, 2015 that vest on January 12, 2020; 19,110 granted on February 17, 2015 that vest on February 17, 2018 and 26,066 granted on February 16, 2016 that vest on February 16, 2019. The 24,106 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004031 · doc4.xml · nonDerivative · entry 2

Patel Bhavesh V. · CIK 0001500293 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 175,545

F2 · shares: Represents shares earned in connection with the performance-based stock previously granted and unreportable on February 20, 2014 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 16, 2017 following certification by the Issuer's compensation committee.

F1 · balance_after: Includes 141,070 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 875 granted on February 20, 2014 that vest on February 20, 2017; 23,638 granted on January 12, 2015 that vest on January 12, 2018; 23,638 granted on January 12, 2015 that vest on January 12, 2019; 23,637 granted on January 12, 2015 that vest on January 12, 2020; 19,110 granted on February 17, 2015 that vest on February 17, 2018 and 26,066 granted on February 16, 2016 that vest on February 16, 2019. The 24,106 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004031 · doc4.xml · nonDerivative · entry 1

Patel Bhavesh V. · CIK 0001500293 · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 170,998

F1 · balance_after: Includes 141,070 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 875 granted on February 20, 2014 that vest on February 20, 2017; 23,638 granted on January 12, 2015 that vest on January 12, 2018; 23,638 granted on January 12, 2015 that vest on January 12, 2019; 23,637 granted on January 12, 2015 that vest on January 12, 2020; 19,110 granted on February 17, 2015 that vest on February 17, 2018 and 26,066 granted on February 16, 2016 that vest on February 16, 2019. The 24,106 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004024 · doc4.xml · nonDerivative · entry 2

Brown Kevin W. · CIK 0001500337 · EVP - Manufacturing & Refining

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 148,925

F3 · shares: Represents shares required to satisfy tax withholding obligations in connection with the vesting of 3,747 shares of performance-based stock granted to the Reporting Person on February 20, 2014.

F2 · balance_after: Includes 20,211 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,212 granted on January 21, 2015 that vest on January 21, 2017; 3,686 granted on January 21, 2015 that vest on January 21, 2018; 3,687 granted on January 21, 2015 that vest on January 21, 2019; 3,686 granted on January 21, 2015 that vest on January 21, 2020; 3,058 granted on February 17, 2015 that vest on February 17, 2018 and 3,882 granted on February 16, 2016 that vest on February 16, 2019.

SEC source: 0001225208-17-004024 · doc4.xml · nonDerivative · entry 1

Brown Kevin W. · CIK 0001500337 · EVP - Manufacturing & Refining

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 149,950

F1 · shares: Represents shares earned in connection with the performance-based stock previously granted and unreportable on February 20, 2014 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 16, 2017 following certification by the Issuer's compensation committee.

F2 · balance_after: Includes 20,211 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 2,212 granted on January 21, 2015 that vest on January 21, 2017; 3,686 granted on January 21, 2015 that vest on January 21, 2018; 3,687 granted on January 21, 2015 that vest on January 21, 2019; 3,686 granted on January 21, 2015 that vest on January 21, 2020; 3,058 granted on February 17, 2015 that vest on February 17, 2018 and 3,882 granted on February 16, 2016 that vest on February 16, 2019.

SEC source: 0001225208-17-004033 · doc4.xml · nonDerivative · entry 2

Wolf Jacquelyn H · CIK 0001350861 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,955

F3 · shares: Represents shares required to satisfy tax withholding obligations in connection with the vesting of 4,190 shares of performance-based stock granted to the Reporting Person on February 20, 2014.

F2 · balance_after: Includes 9,090 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 939 granted on September 1, 2012 vest on September 1, 2017; 2,287 granted on February 12, 2013 vest on February 12, 2018; 1,612 granted on February 20, 2014 vest on February 20, 2017; 1,845 granted on February 17, 2015 that vest on February 17, 2018 and 2,407 granted on February 16, 2016 that vest on February 16, 2019.

SEC source: 0001225208-17-004033 · doc4.xml · nonDerivative · entry 1

Wolf Jacquelyn H · CIK 0001350861 · SVP, Human Resources

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,122

F1 · shares: Represents shares earned in connection with the performance-based stock previously granted and unreportable on February 20, 2014 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 16, 2017 following certification by the Issuer's compensation committee.

F2 · balance_after: Includes 9,090 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 939 granted on September 1, 2012 vest on September 1, 2017; 2,287 granted on February 12, 2013 vest on February 12, 2018; 1,612 granted on February 20, 2014 vest on February 20, 2017; 1,845 granted on February 17, 2015 that vest on February 17, 2018 and 2,407 granted on February 16, 2016 that vest on February 16, 2019.

SEC source: 0001225208-17-004030 · doc4.xml · derivative · entry 4

Kaplan Jeffrey A · CIK 0001634184 · EVP & Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,304

Underlying: Class A ordinary shares · 14,304 shares

Expires 2027-02-16

F4 · derivative.exercise_date: Granted pursuant to the issuer's long-term incentive plan. Award vests in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant of February 16, 2017.

SEC source: 0001225208-17-004030 · doc4.xml · nonDerivative · entry 3

Kaplan Jeffrey A · CIK 0001634184 · EVP & Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,058

F3 · shares: Represents shares required to satisfy tax withholding obligations in connection with the vesting of 1,081 shares of performance-based stock granted to the Reporting Person on February 20, 2014.

F1 · balance_after: Includes 9,042 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan including 1,689 granted on February 17, 2015 that vest on February 17, 2018; 761 granted on May 7, 2015 that vest on May 7, 2018 and 3,268 granted on February 26, 2016 that vest on February 16, 2019. The 3,324 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004030 · doc4.xml · nonDerivative · entry 2

Kaplan Jeffrey A · CIK 0001634184 · EVP & Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 15,378

F2 · shares: Represents shares earned in connection with the performance-based stock previously granted and unreportable on February 20, 2014 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 16, 2017 following certification by the Issuer's compensation committee.

F1 · balance_after: Includes 9,042 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan including 1,689 granted on February 17, 2015 that vest on February 17, 2018; 761 granted on May 7, 2015 that vest on May 7, 2018 and 3,268 granted on February 26, 2016 that vest on February 16, 2019. The 3,324 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004030 · doc4.xml · nonDerivative · entry 1

Kaplan Jeffrey A · CIK 0001634184 · EVP & Chief Legal Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,297

F1 · balance_after: Includes 9,042 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan including 1,689 granted on February 17, 2015 that vest on February 17, 2018; 761 granted on May 7, 2015 that vest on May 7, 2018 and 3,268 granted on February 26, 2016 that vest on February 16, 2019. The 3,324 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004029 · doc4.xml · derivative · entry 4

Guilfoyle James D · CIK 0001649570 · SVP, Global I&D, Supply Chain

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 9,148

Underlying: Class A ordinary shares · 9,148 shares

Expires 2027-02-16

F4 · derivative.exercise_date: Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 3,050 vest on February 16, 2018, 3,049 vest on February 16, 2019 and 3,049 vest on February 16, 2020.

SEC source: 0001225208-17-004029 · doc4.xml · nonDerivative · entry 3

Guilfoyle James D · CIK 0001649570 · SVP, Global I&D, Supply Chain

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,894

F3 · shares: Represents shares required to satisfy tax withholding obligations in connection with the vesting of 860 shares of performance-based stock granted to the Reporting Person on February 20, 2014.

F1 · balance_after: Includes 6,372 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,004 granted November 28, 2011 vest on November 28, 2016; 584 granted on February 28, 2012 vest on February 28, 2017; 446 granted on February 12, 2013 vest on February 12, 2018; 331 granted on February 20, 2014 vest on February 20, 2017; 328 granted on February 17, 2015 vest on February 17, 2018; 92 granted on June 1, 2015 vest on June 1, 2018 and 1,461 granted on February 16, 2016 that vest on February 16, 2019. The 2,126 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004029 · doc4.xml · nonDerivative · entry 2

Guilfoyle James D · CIK 0001649570 · SVP, Global I&D, Supply Chain

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 8,172

F2 · shares: Represents shares earned in connection with the performance-based stock previously granted and unreportable on February 20, 2014 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 16, 2017 following certification by the Issuer's compensation committee.

F1 · balance_after: Includes 6,372 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,004 granted November 28, 2011 vest on November 28, 2016; 584 granted on February 28, 2012 vest on February 28, 2017; 446 granted on February 12, 2013 vest on February 12, 2018; 331 granted on February 20, 2014 vest on February 20, 2017; 328 granted on February 17, 2015 vest on February 17, 2018; 92 granted on June 1, 2015 vest on June 1, 2018 and 1,461 granted on February 16, 2016 that vest on February 16, 2019. The 2,126 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004029 · doc4.xml · nonDerivative · entry 1

Guilfoyle James D · CIK 0001649570 · SVP, Global I&D, Supply Chain

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 7,312

F1 · balance_after: Includes 6,372 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,004 granted November 28, 2011 vest on November 28, 2016; 584 granted on February 28, 2012 vest on February 28, 2017; 446 granted on February 12, 2013 vest on February 12, 2018; 331 granted on February 20, 2014 vest on February 20, 2017; 328 granted on February 17, 2015 vest on February 17, 2018; 92 granted on June 1, 2015 vest on June 1, 2018 and 1,461 granted on February 16, 2016 that vest on February 16, 2019. The 2,126 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004028 · doc4.xml · derivative · entry 4

Covezzi Massimo · CIK 0001500649 · SVP Research & Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,308

Underlying: Class A ordinary shares · 5,308 shares

Expires 2027-02-16

F4 · derivative.exercise_date: Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 1,770 vest on February 16, 2018, 1,769 vest on February 16, 2019 and 1,769 vest on February 16, 2020.

SEC source: 0001225208-17-004028 · doc4.xml · nonDerivative · entry 3

Covezzi Massimo · CIK 0001500649 · SVP Research & Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,728

F3 · shares: Represents shares required to satisfy tax withholding obligations in connection with the vesting of 1,554 shares of performance-based stock granted to the Reporting Person on February 20, 2014.

F2 · balance_after: Includes 3,946 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,216 granted on February 17, 2015 that vest on February 17, 2018 and 1,436 granted on February 16, 2016 that vest on February 16, 2019. The 1,294 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004028 · doc4.xml · nonDerivative · entry 2

Covezzi Massimo · CIK 0001500649 · SVP Research & Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,490

F2 · balance_after: Includes 3,946 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,216 granted on February 17, 2015 that vest on February 17, 2018 and 1,436 granted on February 16, 2016 that vest on February 16, 2019. The 1,294 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004028 · doc4.xml · nonDerivative · entry 1

Covezzi Massimo · CIK 0001500649 · SVP Research & Development

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,256

F1 · shares: Represents shares earned in connection with the performance-based stock previously granted and unreportable on February 20, 2014 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 16, 2017 following certification by the Issuer's compensation committee.

F2 · balance_after: Includes 3,946 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 1,216 granted on February 17, 2015 that vest on February 17, 2018 and 1,436 granted on February 16, 2016 that vest on February 16, 2019. The 1,294 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004025 · doc4.xml · derivative · entry 4

VanDerSnick Michael D · CIK 0001553589 · SVP, HSE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 5,663

Underlying: Class A ordinary shares · 5,663 shares

Expires 2027-02-16

F4 · derivative.exercise_date: Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 1,889 vest on February 16, 2018, 1,887 vest on February 16, 2019 and 1,887 vest on February 16, 2020.

SEC source: 0001225208-17-004025 · doc4.xml · nonDerivative · entry 3

VanDerSnick Michael D · CIK 0001553589 · SVP, HSE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,675

F3 · shares: Represents shares required to satisfy tax withholding obligations in connection with the vesting of 2,870 shares of performance-based stock granted to the Reporting Person on February 20, 2014.

F2 · balance_after: Includes 6,579 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 652 granted on August 21, 2012 that vest on August 21, 2017; 1,267 granted on February 12, 2013 that vest on February 12, 2018; 812 granted on February 20, 2014 that vest on February 20, 2017; 1,084 granted on February 17, 2015 that vest on February 17, 2018 and 1,448 granted on February 16, 2016 that vest on February 16, 2019. The 1,316 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004025 · doc4.xml · nonDerivative · entry 2

VanDerSnick Michael D · CIK 0001553589 · SVP, HSE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 17,874

F2 · balance_after: Includes 6,579 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 652 granted on August 21, 2012 that vest on August 21, 2017; 1,267 granted on February 12, 2013 that vest on February 12, 2018; 812 granted on February 20, 2014 that vest on February 20, 2017; 1,084 granted on February 17, 2015 that vest on February 17, 2018 and 1,448 granted on February 16, 2016 that vest on February 16, 2019. The 1,316 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001225208-17-004025 · doc4.xml · nonDerivative · entry 1

VanDerSnick Michael D · CIK 0001553589 · SVP, HSE

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 16,558

F1 · shares: Represents shares earned in connection with the performance-based stock previously granted and unreportable on February 20, 2014 pursuant to the issuer's long-term incentive plan. Shares were earned based upon the level of attainment of certain performance objectives and continued employment. These shares fully vested on February 16, 2017 following certification by the Issuer's compensation committee.

F2 · balance_after: Includes 6,579 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 652 granted on August 21, 2012 that vest on August 21, 2017; 1,267 granted on February 12, 2013 that vest on February 12, 2018; 812 granted on February 20, 2014 that vest on February 20, 2017; 1,084 granted on February 17, 2015 that vest on February 17, 2018 and 1,448 granted on February 16, 2016 that vest on February 16, 2019. The 1,316 RSUs reported on this Form 4 vest on February 16, 2020.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 8

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 73,171

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.4800, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F6 · ownership.direct: The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2014) 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.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 7

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 152,954

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.4800, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F5 · ownership.direct: The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2011) 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.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 6

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 245,309

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.4800, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F4 · ownership.direct: The securities reported are held directly by Altep 2010 L.P. ("Altep 2010") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2010 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2010) 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.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 5

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 10,854,261

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.4800, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.direct: The securities reported are held directly by AI New Holdings 2 LLC ("AI New") and may be deemed to be indirectly beneficially owned by RSB 2 Limted ("RSB 2"), Access Industries Management, LLC ("AIM LLC") and Len Blavatnik because RSB 2 is the sole member of AI New and as a result may be deemed to share voting and investment control over the shares held directly by AI New. AIM LLC is the manager of AI New and, as a result, may be deemed to have voting and investment control over the shares owned directly by AI New. Mr. Blavatnik controls AIM LLC and, as a result, may be deemed to share voting and investment power over the shares held by AI New.

F3 · ownership.direct: Each of the reporting persons (other than AI New) disclaims beneficial ownership of the securities held directly by AI New except to the extent of any 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.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 4

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,030

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.2500 to $92.7500, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F6 · ownership.direct: The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2014) 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.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 3

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 154,749

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.2500 to $92.7500, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F5 · ownership.direct: The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2011) 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.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 2

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 248,190

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.2500 to $92.7500, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F4 · ownership.direct: The securities reported are held directly by Altep 2010 L.P. ("Altep 2010") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2010 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2010) 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.

SEC source: 0001209191-17-010670 · doc4.xml · nonDerivative · entry 1

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 11,710,931

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.2500 to $92.7500, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.direct: The securities reported are held directly by AI New Holdings 2 LLC ("AI New") and may be deemed to be indirectly beneficially owned by RSB 2 Limted ("RSB 2"), Access Industries Management, LLC ("AIM LLC") and Len Blavatnik because RSB 2 is the sole member of AI New and as a result may be deemed to share voting and investment control over the shares held directly by AI New. AIM LLC is the manager of AI New and, as a result, may be deemed to have voting and investment control over the shares owned directly by AI New. Mr. Blavatnik controls AIM LLC and, as a result, may be deemed to share voting and investment power over the shares held by AI New.

F3 · ownership.direct: Each of the reporting persons (other than AI New) disclaims beneficial ownership of the securities held directly by AI New except to the extent of any 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 20

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 74,334

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.7600, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F6 · ownership.direct: The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2014) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 19

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 155,386

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.7600, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F5 · ownership.direct: The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2011) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 18

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 249,211

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.7600, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F4 · ownership.direct: The securities reported are held directly by Altep 2010 L.P. ("Altep 2010") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2010 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2010) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 17

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,014,669

F10 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.0000 to $92.7600, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.direct: The securities reported are held directly by AI New Holdings 2 LLC ("AI New") and may be deemed to be indirectly beneficially owned by RSB 2 Limted ("RSB 2"), Access Industries Management, LLC ("AIM LLC") and Len Blavatnik because RSB 2 is the sole member of AI New and as a result may be deemed to share voting and investment control over the shares held directly by AI New. AIM LLC is the manager of AI New and, as a result, may be deemed to have voting and investment control over the shares owned directly by AI New. Mr. Blavatnik controls AIM LLC and, as a result, may be deemed to share voting and investment power over the shares held by AI New.

F3 · ownership.direct: Each of the reporting persons (other than AI New) disclaims beneficial ownership of the securities held directly by AI New except to the extent of any 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 16

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 75,231

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.5000 to $92.5000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F6 · ownership.direct: The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2014) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 15

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 157,260

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.5000 to $92.5000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F5 · ownership.direct: The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2011) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 14

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 252,217

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.5000 to $92.5000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F4 · ownership.direct: The securities reported are held directly by Altep 2010 L.P. ("Altep 2010") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2010 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2010) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 13

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 12,908,892

F9 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $91.5000 to $92.5000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.direct: The securities reported are held directly by AI New Holdings 2 LLC ("AI New") and may be deemed to be indirectly beneficially owned by RSB 2 Limted ("RSB 2"), Access Industries Management, LLC ("AIM LLC") and Len Blavatnik because RSB 2 is the sole member of AI New and as a result may be deemed to share voting and investment control over the shares held directly by AI New. AIM LLC is the manager of AI New and, as a result, may be deemed to have voting and investment control over the shares owned directly by AI New. Mr. Blavatnik controls AIM LLC and, as a result, may be deemed to share voting and investment power over the shares held by AI New.

F3 · ownership.direct: Each of the reporting persons (other than AI New) disclaims beneficial ownership of the securities held directly by AI New except to the extent of any 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 12

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,359

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.3450 to $94.2000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F6 · ownership.direct: The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2014) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 11

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 159,618

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.3450 to $94.2000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F5 · ownership.direct: The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2011) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 10

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 255,998

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.3450 to $94.2000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F4 · ownership.direct: The securities reported are held directly by Altep 2010 L.P. ("Altep 2010") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2010 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2010) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 9

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,033,720

F8 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $93.3450 to $94.2000, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.direct: The securities reported are held directly by AI New Holdings 2 LLC ("AI New") and may be deemed to be indirectly beneficially owned by RSB 2 Limted ("RSB 2"), Access Industries Management, LLC ("AIM LLC") and Len Blavatnik because RSB 2 is the sole member of AI New and as a result may be deemed to share voting and investment control over the shares held directly by AI New. AIM LLC is the manager of AI New and, as a result, may be deemed to have voting and investment control over the shares owned directly by AI New. Mr. Blavatnik controls AIM LLC and, as a result, may be deemed to share voting and investment power over the shares held by AI New.

F3 · ownership.direct: Each of the reporting persons (other than AI New) disclaims beneficial ownership of the securities held directly by AI New except to the extent of any 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 8

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 76,671

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.7500 to $93.3400, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F6 · ownership.direct: The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2014) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 7

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,271

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.7500 to $93.3400, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F5 · ownership.direct: The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2011) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 6

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 257,044

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.7500 to $93.3400, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F4 · ownership.direct: The securities reported are held directly by Altep 2010 L.P. ("Altep 2010") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2010 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2010) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 5

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 14,345,042

F7 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.7500 to $93.3400, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F2 · ownership.direct: The securities reported are held directly by AI New Holdings 2 LLC ("AI New") and may be deemed to be indirectly beneficially owned by RSB 2 Limted ("RSB 2"), Access Industries Management, LLC ("AIM LLC") and Len Blavatnik because RSB 2 is the sole member of AI New and as a result may be deemed to share voting and investment control over the shares held directly by AI New. AIM LLC is the manager of AI New and, as a result, may be deemed to have voting and investment control over the shares owned directly by AI New. Mr. Blavatnik controls AIM LLC and, as a result, may be deemed to share voting and investment power over the shares held by AI New.

F3 · ownership.direct: Each of the reporting persons (other than AI New) disclaims beneficial ownership of the securities held directly by AI New except to the extent of any 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 4

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 77,008

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.1900 to $92.7450, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F6 · ownership.direct: The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2014) 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.

SEC source: 0001209191-17-009209 · doc4.xml · nonDerivative · entry 3

AI New Holdings 2 LLC · CIK 0001696975 · 10% owner

RSB 2 Ltd · CIK 0001697129 · 10% owner

ALTEP 2010 L.P. · CIK 0001509925 · Affiliate of 10% Owner

ALTEP 2011 L.P. · CIK 0001513440 · Affiliate of 10% Owner

ALTEP 2014 L.P. · CIK 0001583039 · Affiliate of 10% Owner

AI Altep Holdings, Inc · CIK 0000877116 · Affiliate of 10% Owner

Blavatnik Len · CIK 0001326628 · 10% owner

ACCESS INDUSTRIES MANAGEMENT, LLC · CIK 0001508226 · 10% owner

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 160,976

F1 · price: The price reported in Column 4 is a weighted average price. These shares were sold in multiple transactions at prices ranging from $92.1900 to $92.7450, inclusive. The reporting person undertakes 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 shares sold at each separate price within the ranges set forth in this footnote to this Form 4.

F5 · ownership.direct: The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be indirectly beneficially owned by AI Altep Holdings, Inc. and Mr. Blavatnik because AI Altep Holdings, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls AI Altep Holdings, Inc. Each of the reporting persons (other than Altep 2011) 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.