UNITED STATES

SECURITIES AND EXCHANGE COMMISSION

WASHINGTON, D.C. 20549

FORM 8-K

CURRENT REPORT

PURSUANT TO SECTION 13 OR 15(d) OF THE

SECURITIES EXCHANGE ACT OF 1934

Date of report (Date of earliest event reported): December 16, 2015

Buckeye Partners, L.P.

(Exact name of registrant as specified in its charter)

Registrant’s telephone number, including area code: (832) 615-8600

Not Applicable

(Former Name or Former Address, if Changed Since Last Report)

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 (see General Instruction A.2. below):

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)

Item 1.01                             Entry into a Material Definitive Agreement.

On December 16, 2015, Buckeye Partners, L.P. (the “Partnership”), certain subsidiaries of the Partnership (collectively with the Partnership, the “Borrowers”), the several banks and other financial institutions party thereto and SunTrust Bank, in its capacity as administrative agent (the “Administrative Agent”), entered into the First Amendment to Revolving Credit Agreement (the “Credit Agreement Amendment”) to that certain Revolving Credit Agreement by and among the Borrowers, the banks and financial institutions party thereto and the Administrative Agent, dated as of September 30, 2014 (the “Credit Agreement”).

The Credit Agreement Amendment amended the Credit Agreement to, among other matters:

The disclosure contained in this Item 1.01 does not purport to be a complete description of the Credit Agreement Amendment and is qualified in its entirety by reference to the Credit Agreement Amendment, which is filed as Exhibit 10.1 hereto and is incorporated herein by reference.

Item 2.03                             Creation of a Direct Financial Obligation or an Obligation under an Off- Balance Sheet Arrangement of a Registrant.

The information contained in Item 1.01 above is incorporated herein by reference.

Item 9.01                             Financial Statements and Exhibits.

(d) Exhibits

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SIGNATURE

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.

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Exhibit Index

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