Statement of Changes in Beneficial Ownership (4)

FORM 4

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES

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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

1. Name and Address of Reporting Person * Aebischer Thomas	2. Issuer Name and Ticker or Trading Symbol LyondellBasell Industries N.V. [ LYB ]	5. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                    _____ 10% Owner __X__ Officer (give title below)    _____ Other (specify below) EVP & CFO
(Last)          (First)          (Middle) 4TH FLOOR, ONE VINE STREET	3. Date of Earliest Transaction (MM/DD/YYYY) 12/31/2019
(Street) LONDON, X0 W1J 0AH (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	6. Individual or Joint/Group Filing (Check Applicable Line) _X _ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security (Instr. 3)	2. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. Code (Instr. 8)		4. Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)			5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4)	6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4)	7. Nature of Indirect Beneficial Ownership (Instr. 4)
			Code	V	Amount	(A) or (D)	Price
Class A Ordinary Shares	12/31/2019		F		839.00 (1)	D	$94.48	38016.00	D
Class A Ordinary Shares	12/31/2019		F		2389.00 (2)	D	$94.48	35627.00	D
Class A Ordinary Shares	12/31/2019		F		1375.00 (3)	D	$94.48	34252.00	D
Class A Ordinary Shares	12/31/2019		D		4841.00 (4)	D	$0.00 (5)	29411.00	D
Class A Ordinary Shares	12/31/2019		D		173.00 (6)	D	$0.00 (5)	29238.00	D
Class A Ordinary Shares	12/31/2019		D		1973.00 (7)	D	$0.00 (5)	27265.00	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. Code (Instr. 8)		5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5)		6. Date Exercisable and Expiration Date		7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4)		8. Price of Derivative Security (Instr. 5)	9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4)	10. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 4)	11. Nature of Indirect Beneficial Ownership (Instr. 4)
				Code	V	(A)	(D)	Date Exercisable	Expiration Date	Title	Amount or Number of Shares

Explanation of Responses:
(1)	Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the pro-rata vesting of 2,131 shares of restricted stock units granted to the reporting person on February 21, 2019.
(2)	Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the pro-rata vesting of 6,071 shares of restricted stock units granted to the reporting person on February 16, 2017.
(3)	Represents shares withheld by the issuer to satisfy tax withholding obligations in connection with the pro-rata vesting of 3,492 shares of restricted stock units granted to the reporting person on February 21, 2018.
(4)	The reporting person's employment with the company ended on December 31, 2019 due to retirement and, pursuant to the terms of his restricted stock unit award, forfeited the 4,841 shares reported on this Form 4.
(5)	Price is not applicable.
(6)	The reporting person's employment with the company ended on December 31, 2019 due to retirement and, pursuant to the terms of his restricted stock unit award, forfeited the 173 shares reported on this Form 4.
(7)	The reporting person's employment with the company ended on December 31, 2019 due to retirement and, pursuant to the terms of his restricted stock unit award, forfeited the 1,973 shares reported on this Form 4.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Aebischer Thomas 4TH FLOOR ONE VINE STREET LONDON, X0 W1J 0AH			EVP & CFO

Signatures
/s/ N. Elizabeth Campell, Attorney-in-Fact		1/3/2020
**Signature of Reporting Person		Date