HESM furnishes Exhibit 99.1 with Q3 2025 Q3 estimated results

Q: Which period do the estimates cover for HESM?

The estimates relate to the third quarter of 2025 .

Q: Where can I find the detailed figures for HESM’s estimates?

Details are in the news release furnished as Exhibit 99.1 , incorporated by reference.

Q: What form did Hess Midstream use for this disclosure?

Hess Midstream used a Form 8‑K to furnish the news release.

Q: What is Hess Midstream’s trading symbol and exchange?

Hess Midstream’s Class A shares trade under HESM on the NYSE .

Filing Impact

(Moderate)

Filing Sentiment

(Neutral)

Form Type

8-K

Rhea-AI Filing Summary

Hess Midstream LP filed a Form 8‑K announcing it issued a news release reporting estimated results for the third quarter of 2025. The news release is furnished as Exhibit 99.1 and incorporated by reference.

8-K Event Classification

2 items: 2.02, 9.01

2 items

Item 2.02 Results of Operations and Financial Condition Financial

Disclosure of earnings results, typically an earnings press release or preliminary financials.

Item 9.01 Financial Statements and Exhibits Exhibits

Financial statements, pro forma financial information, and exhibit attachments filed with this report.

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Understanding 8-K Material Events →

Accepted by SEC EDGAR 11/03/2025 - 08:00 AM

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): November 3, 2025

Hess Midstream LP

(Exact Name of Registrant as Specified in Its Charter)

     Delaware

     No. 001-39163

     No. 84-3211812

     (State or Other Jurisdiction
of Incorporation)

     (Commission File Number)

     (IRS Employer
Identification Number.)

1501 McKinney Street

Houston, Texas 77010

(Address of Principal Executive Offices) (Zip Code)

Registrant's Telephone Number, Including Area Code: (713) 496-4200

N/A

(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:

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

☐ Soliciting material pursuant to Rule 14a‑12 under the Exchange Act (17 CFR 240.14a-12)

☐ Pre‑commencement communications pursuant to Rule 14d‑2(b) under the Exchange Act (17 CFR 240.14d‑2(b))

☐ 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 Act:


Title of each class	Trading Symbol(s)	Name of each exchange on which registered
Class A shares representing limited partner interests	HESM	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 ☐

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. ☐

Item 2.02. Results of Operations and Financial Condition.

On November 3, 2025, Hess Midstream LP issued a news release reporting estimated results for the third quarter of 2025. A copy of this news release is furnished as Exhibit 99.1 to this report and is incorporated by reference herein.

Item 9.01. Financial Statements and Exhibits.

(d) Exhibit


	99.1	News release dated November 3, 2025 reporting estimated results for the third quarter of 2025.

	104	Cover Page Interactive Data File (embedded within the Inline XBRL document)

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.

Date: November 3, 2025


HESS MIDSTREAM LP (Registrant)

By: HESS MIDSTREAM GP LP, its General Partner

By: HESS MIDSTREAM GP LLC, its General Partner

By:		/s/ Michael J. Chadwick
		Michael J. Chadwick
		Chief Financial Officer

Source: View Original Filing on SEC EDGAR

FAQ

What did Hess Midstream (HESM) announce in this 8‑K?

The company issued a news release reporting estimated results for the third quarter of 2025, furnished as Exhibit 99.1.

Which period do the estimates cover for HESM?

The estimates relate to the third quarter of 2025.

Where can I find the detailed figures for HESM’s estimates?

Details are in the news release furnished as Exhibit 99.1, incorporated by reference.

What form did Hess Midstream use for this disclosure?

Hess Midstream used a Form 8‑K to furnish the news release.

What is Hess Midstream’s trading symbol and exchange?

Hess Midstream’s Class A shares trade under HESM on the NYSE.