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
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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*
ARES CORPORATE OPPORTUNITIES FUND III LP

(Last) (First) (Middle)
2000 AVENUE OF THE STARS
12TH FLOOR

(Street)
LOS ANGELES CA 90067

(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)
X Director 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
02/25/2011
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
Class A Ordinary Shares 02/25/2011 S 36,500 D $38 18,639,209 I See Footnotes(1)(2)
Class A Ordinary Shares 16,904,384 D(1)(2)
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*
ARES CORPORATE OPPORTUNITIES FUND III LP

(Last) (First) (Middle)
2000 AVENUE OF THE STARS
12TH FLOOR

(Street)
LOS ANGELES CA 90067

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
ACOF Operating Manager III LLC

(Last) (First) (Middle)
2000 AVENUE OF THE STARS
12TH FLOOR

(Street)
LOS ANGELES CA 90067

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
ARES MANAGEMENT LLC

(Last) (First) (Middle)
2000 AVENUE OF THE STARS
12TH FLOOR

(Street)
LOS ANGELES CA 90067

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director 10% Owner
Officer (give title below) Other (specify below)
1. Name and Address of Reporting Person*
ARES PARTNERS MANAGEMENT CO LLC

(Last) (First) (Middle)
2000 AVENUE OF THE STARS
12TH FLOOR

(Street)
LOS ANGELES CA 90067

(City) (State) (Zip)

Relationship of Reporting Person(s) to Issuer
X Director 10% Owner
Officer (give title below) Other (specify below)
Explanation of Responses:
1. This Form 4 is filed jointly by Ares Corporate Opportunities Fund III, L.P. ("ACOF III"), ACOF Operating Manager III, LLC ("ACOF Operating Manager III"), Ares Management LLC ("Ares Management") and Ares Partners Management Company LLC ("APMC" and, together with ACOF III, ACOF Operating Manager III and Ares Management, the "Ares Entities") in respect of securities sold by funds other than ACOF III that are affiliated with, and under the management of, Ares Management (the "Ares Funds"). ACOF III, on behalf of itself and the Ares Funds, has the right to nominate one initial Supervisory Board member of the Issuer pursuant to a Nomination Agreement between ACOF III and the Issuer dated April 30, 2010.The manager of ACOF III is ACOF Operating Manager III. ACOF Operating Manager III is indirectly controlled by Ares Management, which, in turn, is indirectly controlled by APMC. (continued in footnote 2)
2. APMC is managed by an executive committee comprised of Antony Ressler, Michael Arougheti, David Kaplan, Greg Margolies and Bennett Rosenthal. Each of the members of the executive committee, and the Ares Entities and Ares Funds (other than ACOF III and the Ares Funds, with respect to the securities held directly by such investment vehicle) and the officers, partners, members and managers of the Ares Entities and the Ares Funds expressly disclaims beneficial ownership of, and pecuniary interest in, these securities, except to the extent of any pecuniary interest therein, and this report shall not be deemed an admission that any such person or entity is the beneficial owner of, or has any pecuniary interest in, such securities for purposes of Section 16 of the Securities Exchange Act of 1934, as amended, or for any other purposes. The address of each Ares Entity is 2000 Avenue of the Stars, 12th Floor, Los Angeles, CA 90067.
See signatures attached as Exhibit 99.1 03/01/2011
** 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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