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 *

Ovelmen Karyn F. 		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)

2/28/2015
(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   2/28/2015     F    381.0000   D $85.9100   46998.0000   (1) D    
Class A ordinary shares   3/2/2015     M    26801.0000   A $60.5100   73799.0000   (1) D    
Class A ordinary shares   3/2/2015     M    4199.0000   A $44.0000   77998.0000   (1) D    
Class A ordinary shares   3/2/2015     S    4199.0000   D $87.7571   (2) 73799.0000   (1) D    
Class A ordinary shares   3/2/2015     S    26801.0000   D $87.7571   (2) 46998.0000   (1) 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
Opt - Stock Option   $60.5100   3/2/2015     M         26801.0000      (3) 2/12/2023   Class A ordinary shares   26801.0000   $0.0000   13400.0000   D    
Opt - Stock Option   $44.0000   3/2/2015     M         4199.0000      (4) 2/28/2022   Class A ordinary shares   4199.0000   $0.0000   49491.0000   D    

Explanation of Responses:
( 1)  Includes 31,163 restricted stock units granted pursuant to the issuer's long-term incentive plan; 8,676 granted on October 17, 2011 that vest on October 17, 2016; 9,811 granted on February 28, 2012 that vest on February 28, 2017; 7,348 granted on February 12, 2013 that vest on February 12, 2018 and 5,328 granted on February 20, 2014 that vest on February 20, 2017.
( 2)  This transaction was executed in multiple trades at prices ranging from $85.63 to $85.87. The price reported above reflects the weighted-average sale price. The reporting person herby undertakes to provide upon request to the SEC staff, the issuer, or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.
( 3)  Granted pursuant to the issuer's long-term incentive plan. The option was originally granted on February 12, 2013 and vested in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant.
( 4)  Granted pursuant to the issuer's long term incentive plan. The option was originally granted on February 28, 2012 and vested in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant.

Reporting Owners
Reporting Owner Name / Address
Relationships
Director 10% Owner Officer Other
Ovelmen Karyn F.
4TH FLOOR
ONE VINE STREET
LONDON, X0 W1J 0AH

EVP & CFO

Signatures
/s/ Amanda K. Maki, Attorney in Fact 3/3/2015
** 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 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).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number.
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