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 *
  EMG NGL HC LLC
2. Date of Event Requiring Statement (Month/Day/Year)
06/19/2012
3. Issuer Name and Ticker or Trading Symbol
NGL Energy Partners LP [NGL]
(Last)
(First)
(Middle)
2000 MCKINNEY AVENUE, SUITE 1250
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)

DALLAS, TX 75201
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 partner interests 5,696,634 (1)
D
 

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
EMG NGL HC LLC
2000 MCKINNEY AVENUE
SUITE 1250
DALLAS, TX 75201
    X    
NGP Midstream & Resources, L.P.
2000 MCKINNEY AVENUE, SUITE 1250
DALLAS, TX 75201
    X    
NGP MR, L.P.
2000 MCKINNEY AVENUE, SUITE 1250
DALLAS, TX 75201
    X    
NGP MR Management, LLC
2000 MCKINNEY AVENUE, SUITE 1250
DALLAS, TX 75201
    X    
RAYMOND JOHN T
THE ENERGY & MINERALS GROUP
811 MAIN STREET, SUITE 4200
HOUSTON, TX 77002
    X    
Calvert John G.
2000 MCKINNEY AVENUE, SUITE 1250
DALLAS, TX 75201
    X    

Signatures

EMG NGL HC, LLC By: NGP Midstream & Resources, L.P., its Member By: NGP MR, L.P., its general partner /s/ John T. Raymond Chief Executive Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

EMG NGL HC, LLC By: NGP Midstream & Resources, L.P., its Member By: NGP MR, L.P., its general partner /s/ John G. Calvert Chief Operating Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

NGP Midstream & Resources, L.P. By: NGP MR, L.P., its general partner /s/ John T. Raymond Chief Executive Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

NGP Midstream & Resources, L.P. By: NGP MR, L.P., its general partner /s/ John G. Calvert Chief Operating Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

NGP MR, L.P. By: NGP MR GP, LLC, its general partner /s/ John T. Raymond Chief Executive Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

NGP MR, L.P. By: NGP MR GP, LLC, its general partner /s/ John G. Calvert Chief Operating Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

NGP MR Management, LLC /s/ John T. Raymond Chief Executive Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

NGP MR Management, LLC /s/ John G. Calvert Chief Operating Officer and Managing Partner 05/06/2013
**Signature of Reporting Person Date

/s/ John T. Raymond 05/06/2013
**Signature of Reporting Person Date

/s/ John G. Calvert 05/06/2013
**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) EMG NGL HC acquired these securities on June 19, 2012 as partial merger cosideration in exchange for units of High Sierra Energy, LP, based on a value of $21.50 per common unit of NGL Energy Partners, LP and on the other terms and conditions set forth in the Agreement and Plan of Merger, dated May 18, 2012, by and among NGL Energy Partners, LP, HSELP LLC, High Sierra Energy, LP and High Sierra Energy GP, LLC.
 
Remarks:
This Form 3 is being filed jointly by EMG NGL HC, LLC ("EMG NGL HC"), NGP Midstream & Resources, L.P. ("EMG Fund I"), NGP MR, L.P. ("EMG Fund I GP"), NGP MR Management, LLC ("EMG Fund I Management"), John T. Raymond and John G. Calvert (collectively, the "Reporting Persons"). Pursuant to a Management Agreement, dated February 19, 2007, between EMG Fund I GP, the general partner of EMG Fund I, and EMG Fund I Management, EMG Fund I Management acts as the manager of EMG Fund I. John T. Raymond is the Chief Executive Officer and Managing Partner and John G. Calvert is the Chief Operating Officer and Managing Partner of EMG Fund I Management. EMG Fund I owns a 65% interest in EMG NGL HC. The Reporting Persons may be deemed members of a "group" for purposes of Section 13(d) of the Exchange Act. The filing of this report and the inclusion of information herein shall not be considered an admission that any Reporting Person is in fact a member of such a "group" or that such Reporting Person has any liability or obligation under Section 16(b) of the Exchange Act in connection with any such "group" or that for purposes of Section 16 or any other purpose, such Reporting Person is the beneficial owner of any securities in which such Reporting Person does not have a pecuniary interest.

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