SEC Form 3

FORM 3

UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940

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1. Name and Address of Reporting Person* Ledet Aaron J (Last) (First) (Middle) 4TH FLOOR ONE VINE STREET (Street) LONDON X0 W1J 0AH (City) (State) (Zip)	2. Date of Event Requiring Statement (Month/Day/Year) 03/01/2024	3. Issuer Name and Ticker or Trading Symbol LyondellBasell Industries N.V. [ LYB ]
		4. Relationship of Reporting Person(s) to Issuer (Check all applicable) Director 10% Owner X Officer (give title below) Other (specify below) EVP, I&D	5. If Amendment, Date of Original Filed (Month/Day/Year)
			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 Beneficially Owned
1. Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Class A Ordinary Shares	6,732(1)	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 4)	2. Date Exercisable and Expiration Date (Month/Day/Year)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Stock Options (Right to buy)	(2)	02/25/2031	Class A Ordinary Shares	1,334	$99.21	D
Stock Options (Right to buy)	(3)	02/23/2033	Class A Ordinary Shares	5,518	$94.65	D
Stock Options (Right to buy)	(4)	02/24/2032	Class A Ordinary Shares	1,500	$89.26	D
Stock Options (Right to buy)	(5)	12/15/2032	Class A Ordinary Shares	518	$80.68	D

Explanation of Responses:

1. Represents 6,223 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 570 granted on February 24, 2022 that vest on February 24, 2025; 300 granted on April 1, 2022 that vest on April 1, 2024; 202 granted on December 15, 2022 that vest on December 15, 2025; 1,453 granted on February 23, 2023 that vest on February 23, 2026 and 3,698 granted on February 22, 2024 of which 1,234 vest on February 22, 2025, 1,232 vest on February 22, 2026 and 1,232 vest on February 22, 2027.

2. Granted pursuant to the issuer's long-term incentive plan. Award has fully vested.

3. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 1,840 vested on February 23, 2024, 1,839 vest on February 23, 2025 and 1,839 vest on February 23, 2026.

4. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 751 vested on February 24, 2023, 750 vested on February 24, 2024 and 750 vest on February 24, 2025.

5. Granted pursuant to the issuer's long-term incentive plan. Award vests as follows: 260 vested on December 15, 2023, 259 vest on December 15, 2024 and 259 vest on December 15, 2025.

Remarks:

	/s/ Lara A. Mason, Attorney-in-Fact	03/08/2024
	** Signature of Reporting Person	Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 5 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
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