Material Agreement Form 8 K

Amendment to Credit Agreement

On November 25, 2024, DT Midstream, Inc. (the "Company") entered into an Amendment No. 3 to Credit Agreement (the "Amendment") amending certain of the terms of its Credit Agreement, dated as of June 10, 2021, among the Company, as borrower, the lenders and letter of credit issuers party thereto and Barclays Bank PLC, as administrative agent and collateral agent. The Amendment makes certain modifications to the debt covenant to permit the Company to incur certain customary bridge loans (including, without limitation, the $700 million 364-day bridge loan facility committed by Barclays Bank PLC (the "Bridge Facility"), which provides certain backstop funding for the Company's purchase of all of the equity interests in Guardian Pipeline, L.L.C., Midwestern Gas Transmission Company and Viking Gas Transmission Company). On the date hereof, the commitments outstanding under the Bridge Facility are $293.7 million.

The foregoing description of the Amendment is qualified in its entirety by reference to the full text of the Amendment, which is filed as Exhibit 10.1 to this Current Report on Form 8-K and incorporated herein by reference.