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 *

Roberts Timothy D. 		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, Global O&P
(Last)          (First)          (Middle)

4TH FLOOR, ONE VINE STREET 		3. Date of Earliest Transaction (MM/DD/YYYY)

4/6/2015
(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   (1) 4/6/2015     M    7152.0000   A $44.0000   84487.0000   (2) D    
Class A ordinary shares   (1) 4/6/2015     M    6075.0000   A $37.2000   90562.0000   (2) D    
Class A ordinary shares   (1) 4/6/2015     M    5485.0000   A $60.5100   96047.0000   (2) D    
Class A ordinary shares   (1) 4/6/2015     M    2821.0000   A $85.8000   98868.0000   (2) D    
Class A ordinary shares   (1) 4/6/2015     F    8879.0000   D $90.9500   89989.0000   (2) D    
Class A ordinary shares   (1) 4/6/2015     S    17036.0000   D $90.0000   72953.0000   (2) 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   (1) $60.5100   4/6/2015     M         5485.0000      (3) 2/12/2023   Class A ordinary shares   5485.0000   $0.0000   5485.0000   D    
Opt - Stock Option   (1) $85.8000   4/6/2015     M         2821.0000      (4) 2/20/2017   Class A ordinary shares   2821.0000   $0.0000   5642.0000   D    
Opt - Stock Option   (1) $44.0000   4/6/2015     M         7152.0000      (5) 2/28/2022   Class A ordinary shares   7152.0000   $0.0000   0.0000   D    
Opt - Stock Option   (1) $37.2000   4/6/2015     M         6075.0000      (6) 6/2/2021   Class A ordinary shares   6075.0000   $0.0000   0.0000   D    

Explanation of Responses:
( 1)  The exercise of stock options, the sale of the shares acquired upon exercise and the withholding of shares by the Company in payment of exercise prices and withholding taxes reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person in March 2015.
( 2)  Includes 62,644 restricted stock units ("RSUs") granted pursuant to the issuer's long-term incentive plan: 4,137 granted on June 2, 2011 vest on June 2, 2016; 3,921 granted on February 28, 2012 vest on February 28, 2017; 3,060 granted on February 20, 2014 vest on February 20, 2017; 3,008 vest on February 12, 2018; 4,424 granted on January 21, 2015 that vest on January 21, 2016, 6,636 granted on January 21, 2015 that vest on January 21, 2017, 11,059 granted on January 21, 2015 that vest on January 21, 2018, 11,059 granted on January 21, 2015 that vest on January 21, 2019; 11,059 granted on January 21, 2015 that vest on January 21, 2020 and 4,281 granted on February 17, 2015 that vest on February 17, 2018.
( 3)  Award granted on February 12, 2013 and vests in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant.
( 4)  Award granted on February 20, 2014 and vests in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant.
( 5)  Award granted on February 28, 2012 and vested in three equal installments on the 1st, 2nd and 3rd anniversaries of the date of grant.
( 6)  Award granted on June 2, 2011 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
Roberts Timothy D.
4TH FLOOR
ONE VINE STREET
LONDON, X0 W1J 0AH

EVP, Global O&P

Signatures
/s/ Amanda K. Maki, Attorney in Fact 4/8/2015
** 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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