NGL

SEC source: 0001104659-18-044730 · a4.xml · nonDerivative · entry 1

COLLINGSWORTH JAMES M · CIK 0001206714 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 105,500

F1 · ownership.direct: 2,000 of these units are owned jointly by the Reporting Person and his spouse, Cindy Collingsworth.

SEC source: 0001104659-18-044733 · a4.xml · nonDerivative · entry 1

GUDERIAN BRYAN K · CIK 0001218401 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 48,500

SEC source: 0001104659-18-046323 · a4.xml · nonDerivative · entry 1

Osterman Vincent J · CIK 0001532186 · Director · President, Eastern Retail

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 129,093

F1 · date: Late filing due to administrative error.

F2 · kind: The units were forfeited upon termination of employment with Issuer when Propane Business was sold to Superior. This is not an open market sale of securities.

SEC source: 0001104659-18-042622 · a4.xml · nonDerivative · entry 3

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F8 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2018.

F10 · price: The price reported in Column 4 is a weighted average price. The Common Units were sold in multiple transactions at prices ranging from $12.60 to $12.95. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Units sold at each separate price within the range set forth in this footnote.

F1 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P ("Highstar IV").

F2 · ownership.nature: 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 ("Blocker") and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F3 · ownership.nature: 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 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.

F4 · ownership.nature: 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. 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.

F5 · ownership.nature: 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.

F6 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F7 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-042622 · a4.xml · derivative · entry 4

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 850,716

Underlying: Common Units · 133,464 shares

Expires not disclosed

F11 · derivative.exercise_date: Highstar Prism originally held warrants to purchase 161,312 Common Units in the Issuer (the "Highstar Prism June 24 Warrants"), Highstar Main originally held warrants to purchase 112,133 Common Units (the "Highstar Main June 24 Warrants"), Blocker originally held warrants to purchase 455,741 Common Units (the "Blocker June 24 Warrants") and CIV originally held warrants to purchase 1,822,963 Common Units (the "CIV June 24 Warrants" and, together with the Highstar Prism June 24 Warrants, the Highstar Main June 24 Warrants and the Blocker June 24 Warrants, the "June 24 Warrants"), in each case, at an exercise price per Common Unit of $0.01 and with an original issue date of June 24, 2016 (the "June 24 Warrant Issue Date").

F12 · derivative.exercise_date: One-third of the June 24 Warrants were to become exercisable on the first anniversary of the June 24 Warrant Issue Date and were repurchased by the Issuer in a private transaction on June 23, 2017. Another one-third of the June 24 Warrants were to be exercisable from and after the second anniversary of the June 24 Warrant Issue Date and 717,253 of such June 24 Warrants were repurchased by the Issuer in a private transaction on April 26, 2018 and the remaining June 24 Warrants became exercisable on the second anniversary of the June 24 Warrant Issue Date. All June 24 Warrants shall be exercisable from and after the third anniversary of the June 24 Warrant Issue Date.

F11 · derivative.expiration_date: Highstar Prism originally held warrants to purchase 161,312 Common Units in the Issuer (the "Highstar Prism June 24 Warrants"), Highstar Main originally held warrants to purchase 112,133 Common Units (the "Highstar Main June 24 Warrants"), Blocker originally held warrants to purchase 455,741 Common Units (the "Blocker June 24 Warrants") and CIV originally held warrants to purchase 1,822,963 Common Units (the "CIV June 24 Warrants" and, together with the Highstar Prism June 24 Warrants, the Highstar Main June 24 Warrants and the Blocker June 24 Warrants, the "June 24 Warrants"), in each case, at an exercise price per Common Unit of $0.01 and with an original issue date of June 24, 2016 (the "June 24 Warrant Issue Date").

F12 · derivative.expiration_date: One-third of the June 24 Warrants were to become exercisable on the first anniversary of the June 24 Warrant Issue Date and were repurchased by the Issuer in a private transaction on June 23, 2017. Another one-third of the June 24 Warrants were to be exercisable from and after the second anniversary of the June 24 Warrant Issue Date and 717,253 of such June 24 Warrants were repurchased by the Issuer in a private transaction on April 26, 2018 and the remaining June 24 Warrants became exercisable on the second anniversary of the June 24 Warrant Issue Date. All June 24 Warrants shall be exercisable from and after the third anniversary of the June 24 Warrant Issue Date.

F1 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P ("Highstar IV").

F2 · ownership.nature: 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 ("Blocker") and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F3 · ownership.nature: 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 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.

F4 · ownership.nature: 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. 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.

F5 · ownership.nature: 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.

F6 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F7 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-042622 · a4.xml · nonDerivative · entry 2

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 33,464

F8 · shares: The sales reported in this Form 4 were effected pursuant to a Rule 10b5-1 trading plan adopted by the reporting person on June 11, 2018.

F9 · price: The price reported in Column 4 is a weighted average price. The common units representing limited partner interests ("Common Units") were sold in multiple transactions at prices ranging from $12.375 to $13.15. The reporting person undertakes to provide the Company, any security holder of the Company, or the staff of the Securities and Exchange Commission, upon request, full information regarding the number of Common Units sold at each separate price within the range set forth in this footnote.

F1 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P ("Highstar IV").

F2 · ownership.nature: 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 ("Blocker") and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F3 · ownership.nature: 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 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.

F4 · ownership.nature: 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. 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.

F5 · ownership.nature: 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.

F6 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F7 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-042622 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 133,464

F1 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P ("Highstar IV").

F2 · ownership.nature: 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 ("Blocker") and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F3 · ownership.nature: 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 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.

F4 · ownership.nature: 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. 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.

F5 · ownership.nature: 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.

F6 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F7 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-041807 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 0

F1 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P ("Highstar IV").

F2 · ownership.nature: 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").

F3 · ownership.nature: 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 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.

F4 · ownership.nature: 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. 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.

F5 · ownership.nature: 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.

F6 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F7 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-038655 · a4.xml · nonDerivative · entry 3

COLLINGSWORTH JAMES M · CIK 0001206714 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 870

F4 · ownership.direct: The units reported on this line are held by the Reporting Person's spouse.

SEC source: 0001104659-18-038655 · a4.xml · nonDerivative · entry 1

COLLINGSWORTH JAMES M · CIK 0001206714 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 97,500

F1 · price: The price is the weighted average price for the common units reported on this line. The price range from the transactions reported on this line is between $11.60 and $11.775. Complete information regarding the number of common units purchased at each separate price will be provided upon request by the Commission Staff, the issuer or a security holder of the issuer.

F2 · ownership.direct: 2,000 of these units are owned jointly by the Reporting Person and his spouse, Cindy Collingsworth.

SEC source: 0001104659-18-042621 · a4.xml · derivative · entry 2

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 607,655

Underlying: Common Units · 95,333 shares

Expires not disclosed

F1 · shares: The transactions reported herein were omitted from the Form 4 filed by the reporting persons on June 22, 2018 (the "Prior Form 4"). All of the Common Units acquired upon the warrant exercise reported herein were sold by the reporting persons as reported on the Prior Form 4.

F9 · derivative.exercise_date: Pursuant to the terms of that certain warrant, original issue date May 11, 2016, Highstar Prism originally held warrants (the "Prism Warrants") exercisable into 747,566 common units representing limited partner interests in the Partnership ("Common Units") at an exercise price per unit of $0.01. Pursuant to the terms of that certain Warrant, original issue date May 11, 2016, Highstar Main originally held warrants (the "Main Warrants" and together with the Prism Warrants, the "Warrants") exercisable into 1,075,397 Common Units at an exercise price per unit of $0.01.

F10 · derivative.exercise_date: One-third of the Warrants were exercised on the first anniversary of May 11, 2016 (the "Issue Date"); another one-third of the Warrants were to be exercisable from and after the second anniversary of the Issue Date and 702,978 of such Warrants were repurchased by the Issuer in a private transaction on April 26, 2018; and the remaining Warrants shall be exercisable from and after the third anniversary of the Issue Date. Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016 (the "Purchase Agreement")) or in the event the Partnership exercises a redemption right with respect to the Class A Convertible Preferred Units (the "Preferred Units"), all unvested Warrants shall immediately vest and be exercisable in full. Unexercised Warrants will expire on the eighth anniversary of the Issue Date.

F9 · derivative.expiration_date: Pursuant to the terms of that certain warrant, original issue date May 11, 2016, Highstar Prism originally held warrants (the "Prism Warrants") exercisable into 747,566 common units representing limited partner interests in the Partnership ("Common Units") at an exercise price per unit of $0.01. Pursuant to the terms of that certain Warrant, original issue date May 11, 2016, Highstar Main originally held warrants (the "Main Warrants" and together with the Prism Warrants, the "Warrants") exercisable into 1,075,397 Common Units at an exercise price per unit of $0.01.

F10 · derivative.expiration_date: One-third of the Warrants were exercised on the first anniversary of May 11, 2016 (the "Issue Date"); another one-third of the Warrants were to be exercisable from and after the second anniversary of the Issue Date and 702,978 of such Warrants were repurchased by the Issuer in a private transaction on April 26, 2018; and the remaining Warrants shall be exercisable from and after the third anniversary of the Issue Date. Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016 (the "Purchase Agreement")) or in the event the Partnership exercises a redemption right with respect to the Class A Convertible Preferred Units (the "Preferred Units"), all unvested Warrants shall immediately vest and be exercisable in full. Unexercised Warrants will expire on the eighth anniversary of the Issue Date.

F2 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P. ("Highstar IV").

F3 · ownership.nature: 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 ("Blocker") and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F4 · ownership.nature: 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 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.

F5 · ownership.nature: 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. 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.

F6 · ownership.nature: 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.

F7 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F8 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-042621 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 95,333

F1 · shares: The transactions reported herein were omitted from the Form 4 filed by the reporting persons on June 22, 2018 (the "Prior Form 4"). All of the Common Units acquired upon the warrant exercise reported herein were sold by the reporting persons as reported on the Prior Form 4.

F2 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P. ("Highstar IV").

F3 · ownership.nature: 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 ("Blocker") and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F4 · ownership.nature: 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 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.

F5 · ownership.nature: 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. 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.

F6 · ownership.nature: 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.

F7 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F8 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-028762 · a4.xml · derivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

Parker Jared · CIK 0001657224 · Director

Joint disclosure: these amounts are not allocated separately to each reporting owner.

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,687,168

Underlying: Common Units · 1,229,575 shares

Expires not disclosed

F8 · derivative.exercise_date: Highstar Prism originally held warrants to purchase 161,312 common units representing limited partner interests ("Common Units") in the Issuer (the "Highstar Prism June 24 Warrants"), Highstar Main originally held warrants to purchase 112,133 Common Units (the "Highstar Main June 24 Warrants"), Blocker originally held warrants to purchase 455,741 Common Units (the "Blocker June 24 Warrants") and CIV originally held warrants to purchase 1,822,963 Common Units (the "CIV June 24 Warrants" and, together with the Highstar Prism June 24 Warrants, the Highstar Main June 24 Warrants and the Blocker June 24 Warrants, the "June 24 Warrants"), in each case, at an exercise price per Common Unit of $0.01 and with an original issue date of June 24, 2016 (the "June 24 Warrant Issue Date").

F9 · derivative.exercise_date: In addition, Highstar Prism originally held warrants to purchase 1,075,397 Common Units (the "Highstar Prism May 11 Warrants") and Highstar Main originally held warrants to purchase 747,556 Common Units (the "Highstar Main May 11 Warrants" and together with the Highstar Prism May 11 Warrants, the "May 11 Warrants"), in each case, at an exercise price per Common Unit of $0.01 and with an original issue date of May 11, 2016 (the "May 11 Warrant Issue Date").

F10 · derivative.exercise_date: One-third of the June 24 Warrants were to become exercisable on the first anniversary of the June 24 Warrant Issue Date and were repurchased by the Issuer in a private transaction on June 23, 2017. Another one-third of the June 24 Warrants were to be exercisable from and after the second anniversary of the June 24 Warrant Issue Date and 717,253 of such June 24 Warrants were repurchased by the Issuer in a private transaction on April 26, 2018 and accordingly the remaining 133,464 will become exercisable from and after the second anniversary of the June 24 Warrant Issue Date. All June 24 Warrants shall be exercisable from and after the third anniversary of the June 24 Warrant Issue Date.

F11 · derivative.exercise_date: One-third of the May 11 Warrants became exercisable on the first anniversary of the May 11 Warrant Issue Date and were sold on the open market. Another one-third of the May 11 Warrants were to be exercisable from and after the second anniversary of the May 11 Warrant Issue Date and 512,322 of such May 11 Warrants were repurchased by the Issuer in a private transaction on April 26, 2018 and accordingly the remaining 95,333 will become exercisable from and after the second anniversary of the June 24 Warrant Issue Date. All June 24 Warrants shall be exercisable from and after the third anniversary of the June 24 Warrant Issue Date.

F12 · derivative.exercise_date: Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016 (the "Purchase Agreement") or in the event the Issuer exercises a redemption right with respect to the Class A Convertible Preferred Units (the "Preferred Units"), all unvested June 24 Warrants and May 11 Warrants shall immediately vest and be exercisable in full. Unexercised June 24 Warrants and May 11 Warrants will expire on the eighth anniversary of the June 24 Warrant Issue Date and May 11 Warrant Issue Date, respectively.

F8 · derivative.expiration_date: Highstar Prism originally held warrants to purchase 161,312 common units representing limited partner interests ("Common Units") in the Issuer (the "Highstar Prism June 24 Warrants"), Highstar Main originally held warrants to purchase 112,133 Common Units (the "Highstar Main June 24 Warrants"), Blocker originally held warrants to purchase 455,741 Common Units (the "Blocker June 24 Warrants") and CIV originally held warrants to purchase 1,822,963 Common Units (the "CIV June 24 Warrants" and, together with the Highstar Prism June 24 Warrants, the Highstar Main June 24 Warrants and the Blocker June 24 Warrants, the "June 24 Warrants"), in each case, at an exercise price per Common Unit of $0.01 and with an original issue date of June 24, 2016 (the "June 24 Warrant Issue Date").

F9 · derivative.expiration_date: In addition, Highstar Prism originally held warrants to purchase 1,075,397 Common Units (the "Highstar Prism May 11 Warrants") and Highstar Main originally held warrants to purchase 747,556 Common Units (the "Highstar Main May 11 Warrants" and together with the Highstar Prism May 11 Warrants, the "May 11 Warrants"), in each case, at an exercise price per Common Unit of $0.01 and with an original issue date of May 11, 2016 (the "May 11 Warrant Issue Date").

F10 · derivative.expiration_date: One-third of the June 24 Warrants were to become exercisable on the first anniversary of the June 24 Warrant Issue Date and were repurchased by the Issuer in a private transaction on June 23, 2017. Another one-third of the June 24 Warrants were to be exercisable from and after the second anniversary of the June 24 Warrant Issue Date and 717,253 of such June 24 Warrants were repurchased by the Issuer in a private transaction on April 26, 2018 and accordingly the remaining 133,464 will become exercisable from and after the second anniversary of the June 24 Warrant Issue Date. All June 24 Warrants shall be exercisable from and after the third anniversary of the June 24 Warrant Issue Date.

F11 · derivative.expiration_date: One-third of the May 11 Warrants became exercisable on the first anniversary of the May 11 Warrant Issue Date and were sold on the open market. Another one-third of the May 11 Warrants were to be exercisable from and after the second anniversary of the May 11 Warrant Issue Date and 512,322 of such May 11 Warrants were repurchased by the Issuer in a private transaction on April 26, 2018 and accordingly the remaining 95,333 will become exercisable from and after the second anniversary of the June 24 Warrant Issue Date. All June 24 Warrants shall be exercisable from and after the third anniversary of the June 24 Warrant Issue Date.

F12 · derivative.expiration_date: Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016 (the "Purchase Agreement") or in the event the Issuer exercises a redemption right with respect to the Class A Convertible Preferred Units (the "Preferred Units"), all unvested June 24 Warrants and May 11 Warrants shall immediately vest and be exercisable in full. Unexercised June 24 Warrants and May 11 Warrants will expire on the eighth anniversary of the June 24 Warrant Issue Date and May 11 Warrant Issue Date, respectively.

F1 · ownership.nature: Jared Parker is a director at NGL Energy Partners LP (the "Issuer") and co-portfolio manager at Highstar Capital IV, L.P ("Highstar IV").

F2 · ownership.nature: The securities are owned directly by Highstar NGL Prism/IV-A Interco LLC ("Highstar Prism"), Highstar NGL Main Interco LLC ("Highstar Main"), NGL CIV A, LLC ("CIV") and NGL Prism/IV-A Blocker LLC ("Blocker" and together with Highstar Prism, Highstar Main and CIV, the "Purchasers"). The members of Highstar Prism are Blocker and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F3 · ownership.nature: The members of Blocker 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 Tzava Hakeva Saving Fund - Provident Funds Management Company Ltd., solely on behalf of Tzava Hakeva Savings Fund, and the non-member manager of Blocker is Highstar GP IV.

F4 · ownership.nature: The members of Highstar Main are NGL Main Blocker LLC and 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. The members of CIV are Partners Group Series Access II, LLC, Series 43 and Highstar Capital NGL Co-Invest Manager LLC and the managing member of CIV is Highstar Capital NGL Co-Invest Manager LLC.

F5 · ownership.nature: Highstar GP IV is the general partner of each of Highstar IV, Highstar IV-A and Highstar IV Prism and is the sole member and managing member of Highstar Capital NGL Co-Invest Manager LLC. 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.

F6 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F7 · ownership.nature: 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 Issuer, pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV. In addition, in his capacity as co-portfolio manager at Highstar IV, Jared Parker may be deemed indirect beneficial owner of the securities held by each of the Purchasers. Except to the extent of his pecuniary interest, Jared Parker disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that Jared Parker is the beneficial owner of any securities covered by this Form 4.

SEC source: 0001104659-18-018587 · a4.xml · nonDerivative · entry 1

KRIMBILL H MICHAEL · CIK 0001229738 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 844,417

F1 · price: The price is the weighted average price for the common units reported on this line. The range of prices from the transactions reported on this line is between $10.945 and $11.495. Complete information regarding the number of common units purchased at each separate price will be provided upon request by the Commission Staff, the issuer or a security holder of the issuer.

SEC source: 0001104659-18-014543 · a4.xml · nonDerivative · entry 1

McMurray Kurston Patrick · CIK 0001707311 · GC, SVP and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 58,075

F1 · date: Late filing due to administrative error of a third-party vendor.

F2 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-18-014545 · a4.xml · nonDerivative · entry 1

Karlovich Robert W III · CIK 0001476825 · CFO, Executive VP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 108,163

F1 · date: Late filing due to adminstrative error of a third-party vendor.

F2 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-18-014546 · a4.xml · nonDerivative · entry 1

KNEALE JAMES C · CIK 0001185022 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,000

SEC source: 0001104659-18-014544 · a4.xml · nonDerivative · entry 1

Osterman Vincent J · CIK 0001532186 · Director · President, Eastern Retail OP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 179,093

F1 · date: Late filing due to administrative error of a third-party vendor.

F2 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-18-014542 · a4.xml · nonDerivative · entry 1

Thuillier Lawrence J. · CIK 0001616115 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 44,779

F1 · date: Late filing due to administrative error of a third party vendor.

F2 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-18-002105 · a4.xml · nonDerivative · entry 1

McMurray Kurston Patrick · CIK 0001707311 · GC, SVP and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 61,480

SEC source: 0001104659-18-002108 · a4.xml · nonDerivative · entry 1

Karlovich Robert W III · CIK 0001476825 · CFO, Executive VP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 113,732

SEC source: 0001104659-18-002106 · a4.xml · nonDerivative · entry 1

Osterman Vincent J · CIK 0001532186 · Director · President, Eastern Retail OP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 183,683

SEC source: 0001104659-18-002104 · a4.xml · nonDerivative · entry 1

Thuillier Lawrence J. · CIK 0001616115 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 47,063

SEC source: 0001104659-17-069924 · a4.xml · nonDerivative · entry 1

Karlovich Robert W III · CIK 0001476825 · CFO, Executive VP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 99,320

F1 · price: The price is the weighted average price for the common units reported on this line. The range of prices from the transactions reported on this line is between $11.60 and $11.78. Complete information regarding the number of common units purchased at each separate price will be provided upon request by the Commission Staff, the issuer or a security holder of the issuer.

SEC source: 0001104659-17-074679 · a4a.xml · nonDerivative · entry 1

Karlovich Robert W III · CIK 0001476825 · CFO, Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 88,732

F1 · price: The price is the weighted average price for the common units reported on this line. The range of prices from the transactions reported on this line is between $11.60 and $11.78. Complete information regarding the number of common units purchased at each separate price will be provided upon request by the Commission Staff, the issuer or a security holder of the issuer.

F2 · balance_after: This amendment is being filed to correct the total number of units held after giving effect to the 11/21/17 transaction (which was timely reported on a Form 4 filed on 11/21/17).

SEC source: 0001104659-17-068588 · a4.xml · nonDerivative · entry 2

Thuillier Lawrence J. · CIK 0001616115 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 37,063

F1 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-17-068588 · a4.xml · nonDerivative · entry 1

Thuillier Lawrence J. · CIK 0001616115 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 41,159

SEC source: 0001104659-17-056613 · a4.xml · nonDerivative · entry 2

KRIMBILL H MICHAEL · CIK 0001229738 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 814,417

F1 · price: The price is the weighted average price for the common units reported on this line. The range of prices from the transactions reported on this line is between $8.68 and $9.00. Complete information regarding the number of common units purchased at each separate price will be provided upon request by the Commission Staff, the issuer or a security holder of the issuer.

SEC source: 0001104659-17-056613 · a4.xml · nonDerivative · entry 1

KRIMBILL H MICHAEL · CIK 0001229738 · Director · Chief Executive Officer

10b5-1 filing: Not disclosed

Ownership: Indirect · SEE FTN

Disclosed balance after: 210,000

F1 · price: The price is the weighted average price for the common units reported on this line. The range of prices from the transactions reported on this line is between $8.68 and $9.00. Complete information regarding the number of common units purchased at each separate price will be provided upon request by the Commission Staff, the issuer or a security holder of the issuer.

F2 · ownership.nature: These units are owned directly by Krimbill Enterprises LP, which is controlled by the Reporting Person via his ownership of its general partner, Krimbill Holding Company. The Reporting Person exercises the sole voting and disposition power for Krimbill Enterprises LP. The Reporting Person disclaims beneficial ownership of these securities except to the extent of his pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all the reported securities for purposes of Section 16 or any other purpose.

SEC source: 0001104659-17-044685 · a4.xml · nonDerivative · entry 1

CROPPER STEPHEN L · CIK 0001174439 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 18,000

SEC source: 0001104659-17-044690 · a4.xml · nonDerivative · entry 1

McMurray Kurston Patrick · CIK 0001707311 · GC, SVP and Secretary

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 46,480

F1 · kind: The Reporting Person is a participant in the NGL Energy Partners LP 2011 Long-Term Incentive Plan ("Plan"). The 6,317 Common Units reported on this line were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-17-044653 · a4.xml · nonDerivative · entry 1

Karlovich Robert W III · CIK 0001476825 · CFO, Executive Vice President

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 78,732

F1 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-17-044684 · a4.xml · nonDerivative · entry 1

COLLINGSWORTH JAMES M · CIK 0001206714 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 72,500

F1 · ownership.direct: 2,000 of these units are owned jointly by the Reporting Person and his spouse, Cindy Collingsworth.

SEC source: 0001104659-17-044687 · a4.xml · nonDerivative · entry 1

KNEALE JAMES C · CIK 0001185022 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,000

SEC source: 0001104659-17-044686 · a4.xml · nonDerivative · entry 1

GUDERIAN BRYAN K · CIK 0001218401 · Director

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 40,500

SEC source: 0001104659-17-044689 · a4.xml · nonDerivative · entry 1

Osterman Vincent J · CIK 0001532186 · Director · President, Eastern Retail OP

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 163,683

F1 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-17-044688 · a4.xml · nonDerivative · entry 1

Thuillier Lawrence J. · CIK 0001616115 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 31,010

F1 · kind: The units were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-17-044683 · a4.xml · nonDerivative · entry 1

Coady Shawn W · CIK 0001520329 · Director · President, Retail Division

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 98,304

F1 · kind: The Reporting Person is a participant in the NGL Energy Partners LP 2011 Long-Term Incentive Plan ("Plan"). The 8,199 Common Units reported on this line were withheld by the Issuer to satisfy the tax withholding upon vesting of restricted units. This is not an open market sale of securities.

SEC source: 0001104659-17-041790 · a4.xml · derivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 1,701,433

Underlying: Common Units · 850,716 shares

Expires not disclosed

F7 · derivative.exercise_date: Highstar Prism originally held warrants to purchase 161,312 common units representing limited partner interests ("Common Units") in the Issuer (the "Highstar Prism Warrants"), Highstar Main originally held warrants to purchase 112,133 Common Units (the "Highstar Main Warrants"), Blocker originally held warrants to purchase 455,741 Common Units (the "Blocker Warrants") and CIV originally held warrants to purchase 1,822,963 Common Units (the "CIV Warrants" and, together with the Highstar Prism Warrants, the Highstar Main Warrants and the Blocker Warrants, the "Warrants"), in each case, at an exercise price per Common Unit of $0.01.

F8 · derivative.exercise_date: One-third of the Warrants were to become exercisable on the first anniversary of June 24, 2016 (the "Issue Date") and were repurchased by the Issuer in a private transaction on June 23, 2017, another one-third of the Warrants may be exercised from and after the second anniversary of the Issue Date; and all Warrants shall be exercisable from and after the third anniversary of the Issue Date. Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016) or in the event the Issuer exercises a redemption right with respect to the Class A Convertible Preferred Units, all unvested Warrants shall immediately vest and be exercisable in full. Unexercised Warrants will expire on the eighth anniversary of the Issue Date.

F7 · derivative.expiration_date: Highstar Prism originally held warrants to purchase 161,312 common units representing limited partner interests ("Common Units") in the Issuer (the "Highstar Prism Warrants"), Highstar Main originally held warrants to purchase 112,133 Common Units (the "Highstar Main Warrants"), Blocker originally held warrants to purchase 455,741 Common Units (the "Blocker Warrants") and CIV originally held warrants to purchase 1,822,963 Common Units (the "CIV Warrants" and, together with the Highstar Prism Warrants, the Highstar Main Warrants and the Blocker Warrants, the "Warrants"), in each case, at an exercise price per Common Unit of $0.01.

F8 · derivative.expiration_date: One-third of the Warrants were to become exercisable on the first anniversary of June 24, 2016 (the "Issue Date") and were repurchased by the Issuer in a private transaction on June 23, 2017, another one-third of the Warrants may be exercised from and after the second anniversary of the Issue Date; and all Warrants shall be exercisable from and after the third anniversary of the Issue Date. Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016) or in the event the Issuer exercises a redemption right with respect to the Class A Convertible Preferred Units, all unvested Warrants shall immediately vest and be exercisable in full. Unexercised Warrants will expire on the eighth anniversary of the Issue Date.

F1 · ownership.nature: The securities are owned directly by Highstar NGL Prism/IV-A Interco LLC ("Highstar Prism"), Highstar NGL Main Interco LLC ("Highstar Main"), NGL CIV A, LLC ("CIV") and NGL Prism/IV-A Blocker LLC ("Blocker" and together with Highstar Prism, Highstar Main and CIV, the "Purchasers"). The members of Highstar Prism are Blocker and Highstar Capital GP IV, L.P. ("Highstar GP IV").

F2 · ownership.nature: The members of Blocker 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 Tzava Hakeva Saving Fund - Provident Funds Management Company Ltd., solely on behalf of Tzava Hakeva Savings Fund, and the non-member manager of Blocker is Highstar GP IV.

F3 · ownership.nature: 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. The members of CIV are Partners Group Series Access II, LLC, Series 43 and Highstar Capital NGL Co-Invest Manager LLC and the managing member of CIV is Highstar Capital NGL Co-Invest Manager LLC.

F4 · ownership.nature: Highstar GP IV is the general partner of each of Highstar IV, Highstar IV-A and Highstar IV Prism and is the sole member and managing member of Highstar Capital NGL Co-Invest Manager LLC. 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.

F5 · ownership.nature: 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 (the "OCGH GP Members"). In such capacity, the OCGH GP Members may be deemed indirect beneficial owners of the securities held by Highstar Prism and Highstar Main. Except to the extent of their respective pecuniary interest, each OCGH GP Member disclaims beneficial ownership of the securities reported herein, and the filing of this Form 4 shall not be construed as an admission that any such person is the beneficial owner of any securities covered by this Form 4.

F6 · ownership.nature: 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 "Issuer"), pursuant to that certain Amended and Restated Board Representation and Observation Rights Agreement, dated as of June 24, 2016, by and among the Issuer, NGL Energy Holdings LLC, the Purchasers and Highstar IV.

SEC source: 0001104659-17-039237 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 0

F1 · ownership.nature: 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,

F2 · ownership.nature: Harel Provident Funds and Education Funds Ltd., solely on behalf of Harel Study Fund, and 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-038688 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See footnotes

Disclosed balance after: 130,000

F1 · ownership.nature: 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

F2 · ownership.nature: 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-038130 · a4.xml · nonDerivative · entry 2

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 155,000

F1 · ownership.nature: 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").

F2 · ownership.nature: 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 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-038130 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 165,802

F1 · ownership.nature: 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").

F2 · ownership.nature: 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 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-037672 · a4.xml · nonDerivative · entry 2

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 250,094

F1 · ownership.nature: 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,

F2 · ownership.nature: Harel Provident Funds and Education Funds Ltd., solely on behalf of Harel Study Fund, and 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-037672 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 379,732

F1 · ownership.nature: 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,

F2 · ownership.nature: Harel Provident Funds and Education Funds Ltd., solely on behalf of Harel Study Fund, and 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-037235 · a4.xml · nonDerivative · entry 2

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 407,653

F1 · ownership.nature: 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").

F2 · ownership.nature: 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 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-037235 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 507,653

F1 · ownership.nature: 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").

F2 · ownership.nature: 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 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-037236 · a4.xml · derivative · entry 2

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 607,653

Underlying: Common Units · 607,653 shares

Expires not disclosed

F6 · derivative.exercise_date: Pursuant to the terms of that certain Warrant, original issue date May 11, 2016, Highstar Prism originally held warrants (the "Prism Warrants") exercisable into 747,566 common units representing limited partner interests in the Partnership ("Common Units") at an exercise price per unit of $0.01. Pursuant to the terms of that certain Warrant, original issue date May 11, 2016, Highstar Main originally held warrants (the "Main Warrants" and together with the Prism Warrants, the "Warrants") exercisable into 1,075,397 Common Units at an exercise price per unit of $0.01.

F7 · derivative.exercise_date: One-third of the Warrants were exercised on the first anniversary of May 11, 2016 (the "Issue Date"), another one-third of the Warrants may be exercised from and after the second anniversary of the Issue Date; and all Warrants shall be exercisable from and after the third anniversary of the Issue Date. Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016 (the "Purchase Agreement")) or in the event the Partnership exercises a redemption right with respect to the Class A Convertible Preferred Units (the "Preferred Units"), all unvested Warrants shall immediately vest and be exercisable in full. Unexercised Warrants will expire on the eighth anniversary of the Issue Date.

F6 · derivative.expiration_date: Pursuant to the terms of that certain Warrant, original issue date May 11, 2016, Highstar Prism originally held warrants (the "Prism Warrants") exercisable into 747,566 common units representing limited partner interests in the Partnership ("Common Units") at an exercise price per unit of $0.01. Pursuant to the terms of that certain Warrant, original issue date May 11, 2016, Highstar Main originally held warrants (the "Main Warrants" and together with the Prism Warrants, the "Warrants") exercisable into 1,075,397 Common Units at an exercise price per unit of $0.01.

F7 · derivative.expiration_date: One-third of the Warrants were exercised on the first anniversary of May 11, 2016 (the "Issue Date"), another one-third of the Warrants may be exercised from and after the second anniversary of the Issue Date; and all Warrants shall be exercisable from and after the third anniversary of the Issue Date. Upon the occurrence of a Change of Control (as defined in that certain Class A Convertible Preferred Unit and Warrant Purchase Agreement, dated April 21, 2016, as amended June 23, 2016 (the "Purchase Agreement")) or in the event the Partnership exercises a redemption right with respect to the Class A Convertible Preferred Units (the "Preferred Units"), all unvested Warrants shall immediately vest and be exercisable in full. Unexercised Warrants will expire on the eighth anniversary of the Issue Date.

F1 · ownership.nature: 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").

F2 · ownership.nature: 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 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-17-037236 · a4.xml · nonDerivative · entry 1

Highstar Capital IV, L.P. · CIK 0001503547 · Director

10b5-1 filing: Not disclosed

Ownership: Indirect · See Footnotes

Disclosed balance after: 607,653

F1 · ownership.nature: 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").

F2 · ownership.nature: 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 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.

F3 · ownership.nature: 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.

F4 · ownership.nature: 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.

F5 · ownership.nature: 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.

SEC source: 0001104659-16-161549 · a4.xml · nonDerivative · entry 1

Thuillier Lawrence J. · CIK 0001616115 · Chief Accounting Officer

10b5-1 filing: Not disclosed

Ownership: Direct

Disclosed balance after: 35,000

F1 · price: The price is the weighted average price for the Common Units reported on this line between $18.855 and $18.95. Complete information regarding the number of Common Units sold at each separate price will be provided upon request by the Commission Staff, the issuer or a security holder of the issuer.