Sec Form 4 Filing - Highstar Capital IV, L.P. @ NGL Energy Partners LP - 2017-06-08

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 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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1. Name and Address of Reporting Person Highstar Capital IV, L.P. 2. Issuer Name and Ticker or Trading Symbol NGL Energy Partners LP [ NGL] 5. Relationship of Reporting Person(s) to Issuer (Check all applicable) X __ Director _____ 10% Owner _____ Officer (give title below) _____ Other (specify below) (Last) (First) (Middle) 277 PARK AVENUE, 45TH FLOOR 3. Date of Earliest Transaction (MM/DD/YY) 06/08/2017 (Street) NEW YORK, NY10172 4. If Amendment, Date Original Filed (MM/DD/YY) 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 (MM/DD/YY) 2A. Deemed Execution Date, if any (MM/DD/YY) 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 06/08/2017 S 25,000 D $ 12.6 130,000 I See footnotes ( 1 ) ( 2 ) ( 3 ) ( 4 ) ( 5 )

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 (MM/DD/YY) 3A. Deemed Execution Date, if any (MM/DD/YY) 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 (MM/DD/YY) 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

Reporting Owners Reporting Owner Name / Address Relationships Director 10% Owner Officer Other Highstar Capital IV, L.P. 277 PARK AVENUE, 45TH FLOOR NEW YORK, NY10172 X Signatures HIGHSTAR CAPITAL IV, L.P., By: Highstar Capital GP IV, L.P., its general partner, By: Highstar Capital GP IV, LLC, its general partner, /s/ Scott Litman, Authorized Signatory 06/12/2017 Signature of Reporting Person Date HIGHSTAR CAPITAL IV, L.P., By: Highstar Capital GP IV, L.P., its general partner, By: Highstar Capital GP IV, LLC, its general partner, /s/ Bret Budenbender, Authorized Signatory 06/12/2017 Signature of Reporting Person Date

Explanation of Responses:

( 1 )The securities are owned directly by Highstar NGL Prism/IV-A Interco LLC ("Highstar Prism") and Highstar NGL Main Interco LLC ("Highstar Main" and together with Highstar Prism, the "Purchasers"). The members of Highstar Prism are NGL Prism/IV-A Blocker LLC and Highstar Capital GP IV, L.P. ("Highstar GP IV"). The members of NGL Prism/IV-A Blocker LLC are Highstar Capital IV-A, L.P. ("Highstar IV-A"), Highstar Capital IV Prism, L.P. ("Highstar IV Prism"), Harel Insurance Company Ltd., Harel Pension Fund Management Ltd., solely on behalf of Harel Pension, Harel Pension Fund Management Ltd., solely on behalf of Harel General Plan, Harel Provident Funds and Education Funds Ltd., solely on behalf of Harel Provident Fund, Harel Provident Funds and Education Funds Ltd., solely on behalf of Harel Study Fund, and ( 2 )Tzava Hakeva Saving Fund - Provident Funds Management Company Ltd., solely on behalf of Tzava Hakeva Savings Fund, and the non-member manager of NGL Prism/IV-A Blocker LLC is Highstar GP IV. The members of Highstar Main are NGL Main Blocker LLC and Highstar Capital IV, L.P. ("Highstar IV"), and the non-member manager of Highstar Main is Highstar GP IV. Highstar IV is the sole member of NGL Main Blocker LLC and Highstar GP IV is the non-member manager of NGL Main Blocker LLC. ( 3 )Highstar GP IV is the general partner of each of Highstar IV, Highstar IV-A and Highstar IV Prism. The general partner of Highstar GP IV is Highstar Capital GP IV, LLC. The sole member of Highstar Capital GP IV, LLC is Highstar Capital GP IV Holdings. The sole director of Highstar Capital GP IV Holdings is Oaktree Capital Management, L.P., and the sole shareholder of Highstar Capital GP IV Holdings is Oaktree Fund GP II, L.P., and the general partner of Oaktree Fund GP II, L.P. is Oaktree Capital II, L.P. The general partner of each of Oaktree Capital II, L.P. and Oaktree Capital Management, L.P. is Oaktree Holdings, Inc. The sole shareholder of Oaktree Holdings, Inc. is Oaktree Capital Group, LLC. ( 4 )The duly elected manager of Oaktree Capital Group, LLC is Oaktree Capital Group Holdings GP, LLC. Oaktree Capital Group Holdings GP, LLC is a limited liability company managed by an executive committee, the members of which are Howard S. Marks, Bruce A. Karsh, Jay S. Wintrob, John B. Frank and Sheldon M. Stone. ( 5 )Highstar IV may be deemed to be a director by deputization as a result of its ability to appoint a director to the board of directors of the NGL Energy Partners LP (the "Partnership"), pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Partnership, NGL Energy Holdings LLC, the Purchasers and Highstar Capital IV, L.P.

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