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): February 1, 2021

Summit Midstream Partners, LP

(Exact name of registrant as specified in its charter)

910 Louisiana Street, Suite 4200

Houston, TX 77002

(Address of principal executive office) (Zip Code)

(Registrants’ telephone number, including area code): (832) 413-4770

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:

Securities registered pursuant to Section 12(b) of the Securities Act:

Indicate by check mark whether the registrant is an emerging growth company as defined in Rule 405 of the Securities Act of 1933 (§230.405 of this chapter) or Rule 12b-2 of the Securities Exchange Act of 1934 (§240.12b-2 of this chapter).

If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section 13(a) of the Exchange Act.  ☐

1

Item 1.01 Entry into a Material Definitive Agreement.

On February 1, 2021, Summit Permian Transmission, LLC (“Permian Transmission”), a wholly owned subsidiary of Summit Midstream Partners, LP (NYSE: SMLP) (the “Partnership”), entered into a commitment letter with three leading commercial banks pursuant to which the banks have committed to provide up to $175.0 million in credit and term loan facilities to finance the development of Permian Transmission’s Double E Pipeline Project.  Pursuant to the commitment letter, the lenders have committed to provide senior secured credit facilities consisting of a $160.0 million delayed draw term loan facility and a $15.0 million working capital facility (collectively, the “Credit Facilities”).  The Credit Facilities are expected to be non-recourse to the Partnership and mature seven years after the date of the initial borrowing.  The commitments are subject to certain conditions, including execution of definitive documentation and other customary conditions for facilities of this type. Permian Transmission will pay customary fees and expenses in connection with obtaining the commitment letter and the related commitments. The Partnership expects to close and fund the Credit Facilities in the first quarter of 2021 and will post a $15.0 million letter of credit under its existing $1.1 billion revolving credit facility held by its wholly-owned subsidiary, Summit Midstream Holdings, LLC.

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