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): ~~June~~ 24July 17, 2024

Summit Midstream Partners, LP

(Exact name of registrant as specified in its charter)

Delaware	001-35666	45-5200503
(State or other jurisdiction	(Commission	(IRS Employer
of incorporation)	File Number)	Identification No.)

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:

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))

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

Title of each class		Trading Symbol(s)		Name of each exchange on which registered
Common Units		SMLP		New York Stock Exchange

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).

Emerging growth company o☐

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. o ☐

Item 1 8.0201 ~~Termination~~Other ~~of a Material Agreement~~Events.

AsOn July ~~previously reported~~17, ~~on June 7,~~ 2024, Summit Midstream ~~Holdings~~Partners, ~~LLC~~LP, ~~and~~a ~~Summit~~Delaware ~~Midstream~~limited ~~Finance~~partnership ~~Corp.~~ (~~collectively,~~ the “~~Issuers~~Partnership”), ~~which~~issued ~~are~~a ~~subsidiaries~~press ofrelease announcing that Summit Midstream ~~Partners~~Holdings, LPLLC, ~~(NYSE:~~which ~~SMLP),~~is a ~~Delaware~~subsidiary ~~limited~~of ~~partnership~~the Partnership, ~~delivered~~has apriced ~~redemption~~an ~~notice~~upsized ~~with~~offering ~~respect~~of $575.0 million toin ~~all~~aggregate ~~$209.5~~principal ~~million~~amount of ~~their~~new ~~outstanding 12~~8.00625% Senior Secured Second Lien Notes due ~~2026~~2029. (A copy of the ~~“2026~~press release ~~Notes”)~~is attached hereto as Exhibit 99.1 and incorporated herein by reference.

On June 24, 2024, the Issuers deposited with Regions Bank, as trustee of the 2026 Notes (the “Trustee”), cash in an amount sufficient to pay and discharge the principal amount outstanding on the 2026 Notes (which occurred at 101.000% of such principal amount), plus accrued and unpaid interest on the 2026 Notes up to but excluding the redemption date of June 22, 2024. Concurrently therewith, the indenture governing the 2026 Notes was satisfied and discharged in accordance with its terms and the Trustee acknowledged such satisfaction and discharge. As a result of the satisfaction and discharge of the indenture governing the 2026 Notes, the Issuers and the guarantors of the 2026 Notes have been released from their remaining obligations under the indenture governing the 2026 Notes with respect to the 2026 Notes.

This Current Report on Form 8-K is not an offer to buy, or a notice of redemption with respect to, the 2026 Notes or any other securities.

Item 9.01 Financial Statements and Exhibits.

(d) Exhibits

Exhibit Number	Description	~~Description~~
104		Cover Page Interactive Data File – the cover page XBRL tags are embedded within the Inline XBRL document
99.1	Press Release, dated July 17, 2024.
104	Cover Page Interactive Data File - the cover page XBRL tags are embedded within the Inline XBRL document.

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.

		Summit Midstream Partners, LP		~~Summit Midstream Partners, LP~~
		(Registrant)		~~(Registrant)~~
		By:	Summit Midstream GP, LLC (its general partner)	~~By:~~	~~Summit Midstream GP, LLC (its general partner)~~
Dated:	July 17, 2024	/s/ William J. Mault	~~June 24, 2024~~	~~/s/ James D. Johnston~~
				James D. Johnston, Executive Vice President, General Counsel, Chief Compliance Officer and Secretary
		William J. Mault, Executive Vice President and Chief Financial Officer (Principal Financial Officer)

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