POWER OF ATTORNEY

Know all by these presents, that the undersigned hereby
constitutes and appoints each of Jeffrey A. Kaplan, Lara A.
Mason and N. Elizabeth Campbell signing singly, the
undersigned's true and lawful attorney-in-fact to:

(1) execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of
LyondellBasell Industries N.V. (the "Company"), Forms 3, 4
and 5 (including amendments thereto) in accordance with
Section 16(a) of the Securities Exchange Act of 1934 and
the rules and regulations thereunder and, if necessary, a
Form ID, Uniform Application for Access Codes to File on EDGAR;
(2) do and perform any and all acts for an on behalf of the
undersigned which may be necessary or desirable to complete
and execute any such Forms 3, 4 or 5 or Form ID and timely
file such forms (including amendments thereto) and
applications with the United States Securities and Exchange
Commission and any stock exchange or similar authority;
(3) execute for and on behalf of the undersigned, in the
undersigned's capacity as an officer and/or director of the
Company, the Notification form for financial instrument
transactions in one's own issuing institution (including
amendments thereto) in accordance with Section 5:60 of the
Financial Supervision Act and the rules and regulations
thereunder and, if necessary, any successor form thereto;
and including any forms (all such forms authorized hereunder,
the "Dutch Reporting Forms") necessary to allow such Dutch
Reporting Forms to be filed via the website of the Dutch
Authority for the Financial Markets (the "AFM");
(4) do and perform any and all acts for an on behalf of the
undersigned which may be necessary or desirable to complete
and execute any such Dutch Reporting Forms and timely file
such Dutch Reporting Forms (including amendments thereto) and
applications with the AFM and any stock exchange or similar
authority; and
(5) take any other action of any type whatsoever in connection
with the foregoing which, in the opinion of such
attorney-in-fact, may be of benefit to, in the best interest
of, or legally required by, the undersigned, it being
understood that the documents executed by such
attorney-in-fact on behalf of the undersigned pursuant to
this Power of Attorney shall be in such form and shall
contain such terms and conditions as such attorney-in-fact
may approve in such attorney-in-fact's discretion.

The undersigned hereby grants to each such attorney-in-fact
full power and authority to do and perform any and every act
and thing whatsoever requisite necessary or proper to be
done in the exercise of any of the rights and powers herein
granted, as fully to all intents and purposes as the
undersigned might or could do if personally present, with
full power of substitution or revocation, hereby ratifying
and confirming all that such attorney-in-fact, or such
attorney-in-fact's substitute or substitutes, shall
lawfully do or cause to be done by virtue of this power of
attorney and the rights and powers herein granted.  The
undersigned acknowledges that the foregoing
attorneys-in-fact, in serving in such capacity at the
request of the undersigned, are not assuming, nor is the
Company assuming, any of the undersigned's responsibilities
to comply with Section 16 of the Securities Exchange Act
of 1934 or Section 5:60 of the Financial Supervision Act.

The undersigned agrees that each such attorney-in-fact
herein may rely entirely on information furnished orally or
in writing by the undersigned to such attorney-in-fact.  The
undersigned also agrees to indemnify and hold harmless the
Company and each such attorney-in-fact against any losses,
claims, damages or liabilities (or actions in these respects)
that arise out of or area based upon any untrue statements
or omission of necessary facts in the information provided
by the undersigned to such attorney-in-fact for purposes
of executing, acknowledging, delivering or filing Forms 3,
4 or 5 (including amendments thereto), Form ID or the Dutch
Reporting Forms and agrees to reimburse the Company and
such attorney-in-fact for any legal or other expenses
reasonably incurred in connection with investigating or
defending against any such loss, claim, damage, liability
or action.

This Power of Attorney shall remain in full force and
effect until the undersigned is no longer required to file
the Dutch Reporting Forms with respect to the undersigned's
holdings of and transactions in securities issued by the
Company, unless earlier (a) revoked by the undersigned in
writing delivered to the foregoing attorneys-in-fact or (b)
superseded by a new power of attorney regarding the purposes
outlined in the first paragraph hereof dated as of a later
date.

IN WITNESS WHEREOF, the undersigned has caused this Power
of Attorney to be executed as of this 26th day of July 2019.


/s/ James Seward
James Seward