X0306 4 2015-08-14 0 0001504461 NGL Energy Partners LP NGL 0001532186 Osterman Vincent J ONE MEMORIAL SQUARE, PO BOX 67 WHITINSVILLE MA 01588 1 1 0 0 President, Eastern Retail OP Common Units 2015-08-14 4 P 0 10000 27.1513 A 98263 D Common Units 122016 I BY: OSTERMAN FAMILY FOUNDATION Common Units 110587 I BY: AO ENERGY, INC. Common Units 559784 I BY: MILFORD PROPANE INC. Common Units 1445850 I BY: OSTERMAN PROPANE INC. Common Units 394350 I BY: E. OSTERMAN, INC. Common Units 301700 I BY: E. OSTERMAN GAS SERVICES, INC. Common Units 669300 I BY: E. OSTERMAN PROPANE INC. Common Units 36450 I BY: PROPANE GAS, INC. THROUGH PROPANE GAS, LLC Common Units 214600 I BY: SAVEWAY PROPANE GAS SERVICES, INC. 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 $26.92 and $27.37 per unit. 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. Vincent J. Osterman may be deemed to have shared voting or investment power over these securities. Mr. Osterman 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 of the reported securities for purposes of Section 16 or any other purpose. Mr. Osterman holds no equity interest in this entity. These securities are held directly by Osterman Propane, Inc. Osterman Propane, Inc. disclaims beneficial ownership of these securities except to the extent of its pecuniary interest therein, and the inclusion of these securities in this report shall not be deemed an admission of beneficial ownership of all of the reported securities for purposes of Section 16 or any other purpose. /s/ Vincent Osterman 2015-08-17