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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1. Name and Address of Reporting Person * AI INTERNATIONAL CHEMICALS S.A.R.L.   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 __X__ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 15-17 AVENUE GASTON DIDERICH 3. Date of Earliest Transaction (Month/Day/Year) 07/31/2013 (Street) LUXEMBOURG, N4 L-1420 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 07/31/2013   P   8,411,387 A $ 67.71 72,372,438 D (1) (2)   Ordinary shares 07/31/2013   P   88,613 A $ 67.71 88,613 I (3) By partnership Ordinary shares               16,000,000 I (4) By company Ordinary shares               297,080 I (5) By partnership Ordinary shares               185,235 I (6) By partnership

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

Reporting Owners

Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
AI INTERNATIONAL CHEMICALS S.A.R.L. 15-17 AVENUE GASTON DIDERICH LUXEMBOURG, N4 L-1420		X
AI INVESTMENTS HOLDINGS LLC 730 FIFTH AVENUE, 20TH FL NEW YORK, NY 10019		X
AIPH Holdings LLC 730 FIFTH AVENUE, 20TH FL NEW YORK, NY 10019		X
ACCESS INDUSTRIES, LLC 730 FIFTH AVENUE, 20TH FL NEW YORK, NY 10019		X
ACCESS INDUSTRIES MANAGEMENT, LLC 730 FIFTH AVENUE, 20TH FL NEW YORK, NY 10019		X
Blavatnik Len 730 FIFTH AVENUE, 20TH FL NEW YORK, NY 10019		X
ACCESS INDUSTRIES INC 730 FIFTH AVENUE, 20TH FL NEW YORK, NY 10019				Affiliate of 10% Owner
Access Industries Holdings LLC 730 FIFTH AVENUE, 20TH FL NEW YORK, NY 10019		X

Signatures

/s/ Alejandro Moreno for AI International Chemicals Sarl		08/02/2013
**Signature of Reporting Person		Date
/s/ Alejandro Moreno for AI Investments Holdings LLC		08/02/2013
**Signature of Reporting Person		Date
/s/ Alejandro Moreno for AIPH Holdings LLC		08/02/2013
**Signature of Reporting Person		Date
/s/ Alejandro Moreno for Access Industries, LLC		08/02/2013
**Signature of Reporting Person		Date
/s/ Alejandro Moreno for Access Industries Management, LLC		08/02/2013
**Signature of Reporting Person		Date
/s/ Alejandro Moreno, Attorney-in-Fact for Len Blavatnik		08/02/2013
**Signature of Reporting Person		Date
/s/ Alejandro Moreno for Access Industries, Inc.		08/02/2013
**Signature of Reporting Person		Date
/s/ Alejandro Moreno for Access Industries Holdings LLC		08/02/2013
**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)	The securities reported are held directly by AI International Chemicals Sarl ("AIIC") and may be deemed to be beneficially owned by each of the other reporting persons (other than Access Industries, Inc.) because AI Investment Holdings LLC ("AIIH") holds a majority of the outstanding voting interests in AIIC, AIPH Holdings LLC ("AIPH") holds a majority of the outstanding voting interests in AIIH, Access Industries Holdings LLC ("Holdings") holds a majority of the outstanding voting interests in AIPH, Access Industries, LLC ("Access LLC") holds a majority of the outstanding voting interests in Holdings. Access Industries Management, LLC ("Management LLC") controls Access LLC, Holdings, AIPH and AIIH and Len Blavatnik controls Management LLC and Access LLC.
(2)	Each of the reporting persons (other than AIIC) disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, if any, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities for any purpose.
(3)	The securities reported are held directly by Altep 2014 L.P. ("Altep 2014") and may be deemed to be beneficially owned by Access Industries, Inc. and Mr. Blavatnik because Access Industries, Inc. is the general partner of Altep 2014 and Mr. Blavatnik controls Access Industries, Inc. Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, if any, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities for any purpose.
(4)	Securities held directly by AI European Holdings Sarl ("AIEH") which may be deemed to be beneficially owned by AIPH, Holdings, Access LLC, Management, LLC and Mr. Blavatnik because AIEH is controlled by Access LLC and a majority of its equity is owned by an indirect subsidiary of AIPH. See footnote (1) above. Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, if any, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities for any purpose.
(5)	The securities reported are held directly by Altep 2010 L.P. ("Altep 2010") and may be deemed to be beneficially owned by Access Industries, Inc. and Mr. Blavatnik because Access Industries, Inc. is the general partner of Altep 2010 and Mr. Blavatnik controls Access Industries, Inc. Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, if any, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities for any purpose.
(6)	The securities reported are held directly by Altep 2011 L.P. ("Altep 2011") and may be deemed to be beneficially owned by Access Industries, Inc. and Mr. Blavatnik because Access Industries, Inc. is the general partner of Altep 2011 and Mr. Blavatnik controls Access Industries, Inc. Each of the reporting persons disclaims beneficial ownership of these securities, except to the extent of its or his pecuniary interest therein, if any, and this Form shall not be construed as an admission that any such reporting person is the beneficial owner of any such securities for any purpose.

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