Ownership Submission
FORM 3
 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

INITIAL STATEMENT OF 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 *
  AMERICAN INTERNATIONAL GROUP INC
 2. Date of Event Requiring Statement (Month/Day/Year)
12/09/2010		 3. Issuer Name and Ticker or Trading Symbol
Blackstone Group L.P. [BX]
(Last)
(First)
(Middle)
180 MAIDEN LANE		 4. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
_____ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
5. If Amendment, Date Original Filed(Month/Day/Year)
(Street)

NEW YORK, NY 10038		 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 Beneficially Owned
1.Title of Security
(Instr. 4)		 2. Amount of Securities Beneficially Owned
(Instr. 4)		 3. Ownership Form: Direct (D) or Indirect (I)
(Instr. 5)		 4. Nature of Indirect Beneficial Ownership
(Instr. 5)
Common Units representing limited partnership interests 45,737,235 (1) (2)
I
See Footnote (3)

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly. SEC 1473 (7-02)
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Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security
(Instr. 4)		 2. Date Exercisable and Expiration Date
(Month/Day/Year)		 3. Title and Amount of Securities Underlying Derivative Security
(Instr. 4)		 4. Conversion or Exercise Price of Derivative Security 5. Ownership Form of Derivative Security: Direct (D) or Indirect (I)
(Instr. 5)		 6. Nature of Indirect Beneficial Ownership
(Instr. 5)
Date Exercisable Expiration Date Title Amount or Number of Shares

Reporting Owners

Reporting Owner Name / Address Relationships
Director 10% Owner Officer Other
AMERICAN INTERNATIONAL GROUP INC
180 MAIDEN LANE
NEW YORK, NY 10038		     X    
AIG BG Holdings LLC
180 MAIDEN LANE
NEW YORK, NY 10038		     X    

Signatures

/s/ Monika M. Machon, Authorized Person 12/17/2010
**Signature of Reporting Person Date
/s/ Monika M. Machon, Authorized Person 12/17/2010
**Signature of Reporting Person Date

Explanation of Responses:

* If the form is filed by more than one reporting person, see Instruction 5(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) Pursuant to an exchange agreement, holders of Blackstone Holdings partnership units (which term refers collectively to a partnership unit in each of Blackstone Holdings I L.P., Blackstone Holdings II L.P., Blackstone Holdings III L.P. and Blackstone Holdings IV L.P.), subject to the vesting and minimum retained ownership requirements and transfer restrictions set forth in the partnership agreements of the Blackstone Holdings partnerships, may from time-to-time (subject to the terms of the exchange agreement) exchange their Blackstone Holdings partnership units for The Blackstone Group L.P. common units on a one-for-one basis, subject to customary conversion rate adjustments for splits, unit distributions and reclassifications.
(2) A Blackstone Holdings limited partner must exchange one partnership unit in each of the four Blackstone Holdings partnerships to effect an exchange for a common unit. On November 15, 2010, AIG BG Holdings LLC ("AIG Holdings") delivered notice to the Blackstone Holdings entities and The Blackstone Group L.P. to exchange 10,000,000 of its Blackstone Holdings partnership units for 10,000,000 common units which were delivered by the issuer to AIG Holdings on December 15, 2010. On December 9, 2010, AIG Holdings delivered a further notice to the Blackstone Holdings entities and The Blackstone Group L.P. to exchange its remaining 35,737,235 Blackstone Holdings partnership units for 35,737,235 common units of the issuer, which are expected to be delivered on February 9, 2011.
(3) The reported shares are held directly by AIG Holdings which is a wholly owned subsidiary of American International Group, Inc. ("AIG"). AIG is an indirect beneficial owner of the reported securities.

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