Antero Midstream Corp 8-K Filing

FAQ

Key Financial Figures

• $0.01 — ch registered Common Stock, par value $0.01 Per Share AM New York Stock Exchang
• $600.0 million — d private placement (the "Offering") of $600.0 million in aggregate principal amount of their
• $500.0 — psized from an initial offering size of $500.0 aggregate principal amount of the Notes

Filing Documents

• tm2534120d1_8k.htm (8-K) — 36KB
• tm2534120d1_ex4-1.htm (EX-4.1) — 751KB
• 0001104659-25-124289.txt ( ) — 1104KB
• am-20251223.xsd (EX-101.SCH) — 3KB
• am-20251223_lab.xml (EX-101.LAB) — 33KB
• am-20251223_pre.xml (EX-101.PRE) — 22KB
• tm2534120d1_8k_htm.xml (XML) — 3KB

03 Creation of a Direct Financial Obligation under an Off-Balance Sheet Arrangement of a Registrant

Item 2.03 Creation of a Direct Financial Obligation under an Off-Balance Sheet Arrangement of a Registrant. On December 23, 2025, Antero Midstream Corporation's (the "Company") indirect, wholly owned subsidiaries, Antero Midstream Partners LP ("Antero Midstream Partners") and Antero Midstream Finance Corporation ("Finance Corp." and together with Antero Midstream Partners, the "Issuers") completed the previously announced private placement (the "Offering") of $600.0 million in aggregate principal amount of their 5.750% Senior Notes due 2034 (the "Notes"). The Offering was upsized from an initial offering size of $500.0 aggregate principal amount of the Notes. The net proceeds from the Offering, together with borrowings under Antero Midstream Partners' revolving credit facility and the net proceeds of the disposition of all the Company's Utica Shale midstream assets (the "Utica Disposition"), will be used to fund the acquisition of HG Energy II Midstream Holdings, LLC (the "HG Acquisition"), and related fees and expenses. However, if (i) the closing of the HG Acquisition has not occurred on or prior to the later of (x) June 2, 2026 and (y) such date to which the outside date under the Membership Interest Purchase Agreement, dated December 5, 2025, by and among Antero Midstream Partners, Antero Resources Corporation, HG Energy II LLC, HG Energy II Production Holdings LLC and HG Energy II Midstream Holdings LLC (the "HG Purchase Agreement") as in effect on the closing date of this offering may be extended in accordance with the terms thereof, which date shall be no later than September 2, 2026, any such extension to be set forth in an officers' certificate delivered to the trustee prior to the close of business on June 2, 2026 or such other extended outside date as shall then be applicable (the "Special Mandatory Redemption Outside Date"), (ii) prior to the Special Mandatory Redemption Outside Date, the HG Purchase Agreement is terminated according to its terms with

01. Other Events

Item 8.01. Other Events. In connection with the issuance of the Notes, all remaining commitments under the previously disclosed debt financing commitments provided by Royal Bank of Canada, Wells Fargo Bank, National Association, their applicable affiliates and the other applicable commitment parties to Antero Midstream Partners were terminated.

01. Financial Statements and Exhibits

Item 9.01. Financial Statements and Exhibits. (d) Exhibits. EXHIBIT DESCRIPTION 4.1 Indenture, dated as of December 23, 2025, by and among Antero Midstream Partners LP, Antero Midstream Finance Corporation, the guarantors party thereto and Computershare Trust Company, N.A., as trustee. 4.2 Form of 5.750% Senior Note due 2034 (included in Exhibit 4.1). 104 Cover Page Interactive Data File (embedded within the Inline XBRL document). 3

SIGNATURES

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. ANTERO MIDSTREAM CORPORATION By: /s/ Justin J. Agnew Justin J. Agnew Chief Financial Officer, Vice President – Finance and Investor Relations Dated: December 23, 2025 4

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View this 8-K filing on SEC EDGAR