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

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934, Section 17(a) of the Public Utility Holding Company Act of 1935 or Section 30(h) of the Investment Company Act of 1940
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(Print or Type Responses)
1. Name and Address of Reporting Person *
Ledet Aaron J
  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, I&D
(Last)
(First)
(Middle)
4TH FLOOR, ONE VINE STREET		 3. Date of Earliest Transaction (Month/Day/Year)
05/13/2024
(Street)

LONDON, X0 W1J 0AH		 4. If Amendment, Date 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
(City)
(State)
(Zip)
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1.Title of Security
(Instr. 3) 		2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction 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 05/13/2024   M(1)   1,840 A $ 94.65 8,498 (2) D  
Class A Ordinary Shares 05/13/2024   M(1)   1,334 A $ 99.21 9,832 (2) D  
Class A Ordinary Shares 05/13/2024   M(1)   750 A $ 89.26 10,582 (2) D  
Class A Ordinary Shares 05/13/2024   F(1)   1,749 D $ 101.32 8,833 (2) D  
Class A Ordinary Shares 05/13/2024   F(1)   683 D $ 101.32 8,150 (2) D  
Class A Ordinary Shares 05/13/2024   F(1)   1,313 D $ 101.32 6,837 (2) D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
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Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 3) 		2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction 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
(Month/Day/Year) 		7. Title and Amount of Underlying Securities
(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
Stock Options (Right to Buy) $ 99.21 05/13/2024   M(1)     1,334   (3) 02/25/2031 Class A Ordinary Shares 1,334 $ 0 0 D  
Stock Options (Right to Buy) $ 94.65 05/13/2024   M(1)     1,840   (4) 02/23/2033 Class A Ordinary Shares 1,840 $ 0 3,678 D  
Stock Options (Right to Buy) $ 89.26 05/13/2024   M(1)     750   (5) 02/24/2032 Class A Ordinary Shares 750 $ 0 750 D  

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
Ledet Aaron J
4TH FLOOR
ONE VINE STREET
LONDON, X0 W1J 0AH		       EVP, I&D  

Signatures

 /s/ Lara A. Mason, Attorney-in-Fact   05/15/2024
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 4(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).
(1) Represents a cashless exercise-and-hold, where shares were withheld to cover the option exercise price and anticipated taxes, and the remaining shares are retained by the reporting person.
(2) Includes 5,923 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; 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.
(3) Granted pursuant to the issuer's long-term incentive plan. Award has fully vested.
(4) 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.
(5) 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.

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