Ownership Submission
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
OMB APPROVAL
OMB Number: 3235-0287
Expires: January 31, 2005
Estimated average burden hours per response... 0.5

(Print or Type Responses)
1. Name and Address of Reporting Person *
JAMES HAMILTON E
  2. Issuer Name and Ticker or Trading Symbol
Blackstone Group L.P. [BX]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director _____ 10% Owner
__X__ Officer (give title below) _____ Other (specify below)
Executive Vice Chairman
(Last)
(First)
(Middle)
C/O THE BLACKSTONE GROUP L.P., 345 PARK AVENUE
3. Date of Earliest Transaction (Month/Day/Year)
05/01/2018
(Street)

NEW YORK, NY 10154
4. If Amendment, Date Original Filed(Month/Day/Year)
6. Individual or Joint/Group Filing(Check Applicable Line)
_X_ Form filed by One Reporting Person
___ 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
Common units representing limited partner interests 04/30/2018   G V 20,497 (1) D $ 0 0 D  
Common units representing limited partner interests 04/30/2018   G V 20,497 A $ 0 20,497 I See footnote (2)
Common units representing limited partner interests 05/01/2018   C   800,000 A $ 0 800,000 D  
Common units representing limited partner interests 05/01/2018   G V 800,000 D $ 0 0 D  

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB control number. SEC 1474 (9-02)

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
Blackstone Holdings partnership units (3) 05/01/2018   C(4)     800,000   (3)   (3) Common units representing limited partner interests 800,000 (3) 20,723,093 D  
Blackstone Holdings partnership units (3)               (3)   (3) Common units representing limited partner interests 7,157,207   7,157,207 I See footnote (5)
Blackstone Holdings partnership units (3)               (3)   (3) Common units representing limited partner interests 3,500,000   3,500,000 I See footnote (6)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
JAMES HAMILTON E
C/O THE BLACKSTONE GROUP L.P.
345 PARK AVENUE
NEW YORK, NY 10154
  X     Executive Vice Chairman  

Signatures

 Tabea Y. Hsi as Attorney-In-Fact   05/03/2018
**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) Includes 321 common units issued on October 1, 2015 as an anti-dilution adjustment in connection with the spin-off of PJT Partners Inc. by The Blackstone Group L.P.
(2) These units are held in a limited liability company beneficially owned by the Reporting Person, his spouse and a trust for the benefit of the Reporting Person's children.
(3) A "Blackstone Holdings partnership" unit collectively refers to one limited partner interest in each of Blackstone Holdings I L.P., Blackstone Holdings II L.P., Blackstone Holdings III L.P., Blackstone Holdings IV L.P. and Blackstone Holdings AI L.P. Subject to the minimum retained ownership requirements and transfer restrictions set forth in the partnership agreements of the Blackstone partnerships, the holder has the right, exercisable from time to time, to exchange each Blackstone Holdings partnership unit for one common unit of The Blackstone Group L.P. The Blackstone Holdings partnership units have no expiration date and may not be exchanged at any time prior to December 31, 2018 other than pursuant to transactions or programs approved by Blackstone.
(4) Pursuant to an exchange agreement, the Reporting Person exchanged 800,000 Blackstone Holdings partnership units for an equal number of common units of The Blackstone Group L.P.
(5) These units are held in a trust for the benefit of the Reporting Person's children (the Children's Trust), of which the Reporting Person is a trustee, but the Reporting Person does not have or share investment control with respect to the units.
(6) These units are held in a trust for the benefit of the Reporting Person's grandchildren (the Grandchildren's Trust), of which the Reporting Person is a trustee. These units were not previously included in the Reporting Person's beneficial ownership prior to the birth of his first grandchild.
 
Remarks:
The Reporting Person disclaims beneficial ownership of the securities reported on this form except to the extent of his pecuniary interest.

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

Potential persons who are to respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB number.