UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 8-K/A

(Amendment No. 1)

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE
SECURITIES EXCHANGE ACT OF 1934

Date of Report (Date of earliest event reported): July 1, 2014

NGL ENERGY PARTNERS LP

(Exact name of registrant as specified in its charter)

6120 South Yale Avenue
Suite 805
Tulsa, Oklahoma 74136

(Address of principal executive offices) (Zip Code)

(918) 481-1119

(Registrant’s telephone number, including area code)

Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:

o            Written communications pursuant to Rule 425 under the Securities Act (17 CFR 230.425)

o            Soliciting material pursuant to Rule 14a-12 under the Exchange Act (17 CFR 240-14a-12)

o            Pre-commencement communications pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR 240-14d-2(b))

o            Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR 240-13e-4(c))

This Current Report on Form 8-K/A amends and supplements the Current Report on Form 8-K of NGL Energy Partners LP, filed with the Securities and Exchange Commission on July 3, 2014 (the “Form 8-K”), which reported under Item 2.01 the completion of a business combination with TransMontaigne Inc. (“TransMontaigne”). This amendment is filed to provide the financial statements of TransMontaigne and the pro forma financial information of NGL Energy Partners LP for such transaction as required by Item 9.01. Except as set forth below, all Items of the previously filed Form 8-K are unchanged.

Item 9.01                   Financial Statements and Exhibits.

(a)         Financial Statements of Businesses Acquired

The audited combined financial statements of the Businesses Associated with TransMontaigne Inc. Acquired by NGL Energy Partners LP as of December 31, 2013 and 2012 and for the two years then ended are filed as Exhibit 99.1 to this Current Report on Form 8-K/A and incorporated herein by reference.

The unaudited condensed combined financial statements of the Businesses Associated with TransMontaigne Inc. Acquired by NGL Energy Partners LP as of June 30, 2014 and for the six months ended June 30, 2014 and 2013 are filed as Exhibit 99.2 to this Current Report on Form 8-K/A and incorporated herein by reference.

(b)         Pro Forma Financial Information

The unaudited pro forma condensed consolidated balance sheet as of June 30, 2014, the unaudited pro forma condensed consolidated statement of operations for the year ended March 31, 2014, and the unaudited pro forma condensed consolidated statement of operations for the three months ended June 30, 2014 of NGL Energy Partners LP and the related notes are filed as Exhibit 99.3 to this Current Report on Form 8-K/A and incorporated herein by reference.

(d)         Exhibits

2

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.

3

EXHIBIT INDEX

4