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
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(Print or Type Responses)
1. Name and Address of Reporting Person *
First Reserve GP XI, Inc.
  2. Issuer Name and Ticker or Trading Symbol
INERGY L P [NRGY]
5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
__X__ Director __X__ 10% Owner
_____ Officer (give title below) _____ Other (specify below)
(Last)
(First)
(Middle)
C/O FIRST RESERVE, ONE LAFAYETTE PLACE
3. Date of Earliest Transaction (Month/Day/Year)
06/19/2013
(Street)

GREENWICH, CT 06830
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
Common Units 06/19/2013   A   35,103,113 A (1) 35,103,113 I See Footnotes. (2) (4)
Common Units               52,000 I See Footnotes. (3) (4)

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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
Subordinated Units representing limited partner interests (5) 06/19/2013   A   4,387,889     (5)   (5) Common Units 4,387,889 (1) 4,387,889 I See Footnotes. (2) (4)
Contract right (right to acquire) (6) (7) (6) (7) 06/19/2013   A   14,318,396     (6)(7)   (6)(7) Common Units 14,318,396 (6) (7) 14,318,396 I See Footnotes. (2) (4)

Reporting Owners

Reporting Owner Name / Address Relationships
 Director  10% Owner  Officer  Other
First Reserve GP XI, Inc.
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X   X    
First Reserve GP XI, L.P.
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X   X    
MACAULAY WILLIAM E
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X   X    
FR Midstream Holdings LLC
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X   X    
FR XI CMP Holdings LLC
C/O FIRST RESERVE
ONE LAFAYETTE PLACE
GREENWICH, CT 06830
  X   X    
Crestwood Holdings Partners, LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X   X    
Crestwood Holdings II LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X   X    
Crestwood Holdings LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X   X    
Crestwood Gas Services Holdings LLC
700 LOUISIANA STREET, SUITE 2060
HOUSTON, TX 77002
  X   X    

Signatures

 /s/ Michael France, Managing Director for First Reserve GP XI, Inc.   06/19/2013
**Signature of Reporting Person Date

 /s/ Anne E. Gold, Attorney-in-Fact for William E. Macaulay   06/19/2013
**Signature of Reporting Person Date

 /s/ Michael France, Managing Director for First Reserve GP XI, Inc. the General Partner of First Reserve GP XI, L.P.   06/19/2013
**Signature of Reporting Person Date

 /s/ Michael France, Managing Director for First Reserve GP XI, Inc., the General Partner of First Reserve GP XI, L.P., the Managing Member of FR Midstream Holdings LLC   06/19/2013
**Signature of Reporting Person Date

 /s/ Michael France, Managing Director for First Reserve GP XI, Inc., the General Partner of First Reserve GP XI, L.P., the Managing Member of FR Midstream Holdings LLC, the Managing Member of FR XI CMP Holdings LLC   06/19/2013
**Signature of Reporting Person Date

 /s/ Kelly J. Jameson, Senior Vice President for Crestwood Holdings Partners, LLC   06/19/2013
**Signature of Reporting Person Date

 /s/ Kelly J. Jameson, Senior Vice President for Crestwood Holdings II LLC   06/19/2013
**Signature of Reporting Person Date

 /s/ Kelly J. Jameson, Senior Vice President for Crestwood Holdings LLC   06/19/2013
**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) Crestwood Gas Services Holdings LLC ("Gas Services Holdings") acquired 35,103,113 common units representing limited partner interests (the "Common Units") of Inergy, L.P. (the "Issuer") and 4,387,889 subordinated units representing limited partner interests of the Issuer (the "Subordinated Units") as consideration for its contribution to the Issuer of Crestwood Gas Services GP LLC (the "Contribution") pursuant to the terms of the Contribution Agreement, dated May 5, 2013, by and among Crestwood Holdings LLC ("Crestwood Holdings"), Gas Services Holdings, Inergy GP, LLC and the Issuer (the "Contribution Agreement").
(2) These units are held directly by Gas Services Holdings.
(3) These units are held directly by KA First Reserve, LLC ("KAFR") FR Midstream Holdings LLC owns a majority of the membership interests in KAFR and controls the board of managers of (KAFR).
(4) Gas Services Holdings' sole member is Crestwood Holdings, whose sole member is Crestwood Holdings II LLC, whose sole member is Crestwood Holdings Partners, LLC, whose controlling member is FR XI CMP Holdings LLC, whose sole member is FR Midstream Holdings LLC, whose managing member is First Reserve GP XI, L.P., whose general partner is First Reserve GP XI, Inc. William E. Macaulay is a director of First Reserve GP XI, Inc. and has the right to appoint a majority of the board of directors of First Reserve GP XI, Inc. Crestwood Holdings and Gas Services Holdings hold all of the limited partner interests in Inergy Holdings, L.P., the sole member of Inergy GP, LLC, the general partner of the Issuer.
(5) The Subordinated Units may be converted into Common Units on a one-for-one basis upon the termination of the subordination period as set forth in the Issuer's partnership agreement. The Subordinated Units have no expiration date.
(6) Simultaneously with the execution of the Contribution Agreement, the Issuer, the General Partner, Crestwood Holdings, and Gas Services Holdings entered into a Follow-On Contribution Agreement dated as of May 5, 2013 (the "Follow-On Contribution Agreement"). The Follow-On Contribution Agreement permits Crestwood Holdings to contribute to the Issuer 7,137,841 of the common units of Inergy Midstream, L.P. ("NRGM") that Crestwood Holdings receives upon the consummation of the merger (the "Merger") contemplated by the Agreement and Plan of Merger dated as of May 5, 2013 (the "Merger Agreement"), among NRGM, NRGM GP, LLC, Intrepid Merger Sub, LLC, Crestwood Holdings, Crestwood Midstream Partners LP ("CMLP"), and Crestwood Gas Services GP in exchange for 14,318,396 Common Units.(Continued in footnote 7)
(7) The right of Crestwood Holdings to make such contribution is conditioned on the closing of the Merger. If the Merger Agreement is terminated, Crestwood Holdings will have the right under the Follow-On Contribution Agreement to contribute to the Issuer 6,670,651 common units of CMLP in exchange for a total of 14,318,396 Common Units.
 
Remarks:
The Reporting Persons disclaim beneficial ownership of the securities reported on this Form 4 except to the extent of their pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of these securities for purposes of Section 16 or for any other purpose.

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