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 *
ALTEP 2010 L.P.
  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
_____ Officer (give title below) __X__ Other (specify below)
Affiliate of 10% Owner
(Last)
(First)
(Middle)
C/O AI ALTEP HOLDINGS, INC., 730 FIFTH AVENUE, 20TH FL
3. Date of Earliest Transaction (Month/Day/Year)
12/29/2017
(Street)

NEW YORK, NY 10019
4. If Amendment, Date Original Filed (Month/Day/Year)
6. Individual or Joint/Group Filing (Check Applicable Line)
___ Form filed by One Reporting Person
_X_ 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
Ordinary Shares 12/29/2017   J   169,946 D (1) 74,028 D (2)  
Ordinary Shares 12/29/2017   J   77,366 D (1) 74,754 D (3)  

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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

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
ALTEP 2010 L.P.
C/O AI ALTEP HOLDINGS, INC.
730 FIFTH AVENUE, 20TH FL
NEW YORK, NY 10019
      Affiliate of 10% Owner
ALTEP 2011 L.P.
C/O AI ALTEP HOLDINGS, INC.
730 FIFTH AVENUE, 20TH FL
NEW YORK, NY 10019
      Affiliate of 10% Owner

Signatures

 /s/ Alejandro Moreno for Altep 2010 L.P.   01/03/2018
**Signature of Reporting Person Date

 /s/ Alejandro Moreno for Altep 2011 L.P.   01/03/2018
**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) Reflects distribution of ordinary shares pursuant to an internal reorganization.
(2) The securities reported are held directly by Altep 2010 L.P. ("Altep 2010"). Each of the reporting persons (other than Altep 2010) disclaims beneficial ownership of these securities, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities.
(3) The securities reported are held directly by Altep 2011 L.P. ("Altep 2011"). Each of the reporting persons (other than Altep 2011) disclaims beneficial ownership of these securities, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities.

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