SEC Form 4

FORM 4		UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940	OMB APPROVAL OMB Number: 3235-0287 Estimated average burden hours per response: 0.5
	Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

1. Name and Address of Reporting Person* AI INTERNATIONAL CHEMICALS S.A.R.L. (Last) (First) (Middle) 15-17 AVENUE GASTON DIDERICH (Street) LUXEMBOURG N4 L-1420 (City) (State) (Zip)	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)
	3. Date of Earliest Transaction (Month/Day/Year) 07/31/2013
	4. If Amendment, Date of 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

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

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 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: 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

1. Name and Address of Reporting Person* AI INTERNATIONAL CHEMICALS S.A.R.L. (Last) (First) (Middle) 15-17 AVENUE GASTON DIDERICH (Street) LUXEMBOURG N4 L-1420 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* AI INVESTMENTS HOLDINGS LLC (Last) (First) (Middle) 730 FIFTH AVENUE, 20TH FL (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* AIPH Holdings LLC (Last) (First) (Middle) 730 FIFTH AVENUE, 20TH FL (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* ACCESS INDUSTRIES, LLC (Last) (First) (Middle) 730 FIFTH AVENUE, 20TH FL (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* ACCESS INDUSTRIES MANAGEMENT, LLC (Last) (First) (Middle) 730 FIFTH AVENUE, 20TH FL (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* Blavatnik Len (Last) (First) (Middle) 730 FIFTH AVENUE, 20TH FL (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

1. Name and Address of Reporting Person* ACCESS INDUSTRIES INC (Last) (First) (Middle) 730 FIFTH AVENUE, 20TH FL (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director 10% Owner Officer (give title below) X Other (specify below) Affiliate of 10% Owner

1. Name and Address of Reporting Person* Access Industries Holdings LLC (Last) (First) (Middle) 730 FIFTH AVENUE, 20TH FL (Street) NEW YORK NY 10019 (City) (State) (Zip) Relationship of Reporting Person(s) to Issuer Director X 10% Owner Officer (give title below) Other (specify below)

Explanation of Responses:

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.

	/s/ Alejandro Moreno for AI International Chemicals Sarl	08/02/2013
	/s/ Alejandro Moreno for AI Investments Holdings LLC	08/02/2013
	/s/ Alejandro Moreno for AIPH Holdings LLC	08/02/2013
	/s/ Alejandro Moreno for Access Industries, LLC	08/02/2013
	/s/ Alejandro Moreno for Access Industries Management, LLC	08/02/2013
	/s/ Alejandro Moreno, Attorney-in-Fact for Len Blavatnik	08/02/2013
	/s/ Alejandro Moreno for Access Industries, Inc.	08/02/2013
	/s/ Alejandro Moreno for Access Industries Holdings LLC	08/02/2013
	** 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).
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