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DT Midstream, Inc.

For the period ended Sep 30, 2025. Filed Oct 30, 2025.

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About this filing

A company's report for each of its first three quarters. The financial statements are not audited. It shows how the business has moved since the last annual report, and what management says changed.

Sep 30, 2025 · Filed Oct 30, 2025

DTM$116.48+2.5%Stored close · as of Nov 9, 2026

Extracted filing text, with the paragraph anchors used by the comparison.

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UNITED STATES SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

FORM 10-Q

☒ QUARTERLY REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

For the Quarterly Period ended September 30, 2025

Or

☐ TRANSITION REPORT PURSUANT TO SECTION 13 OR 15(d) OF THE SECURITIES EXCHANGE ACT OF 1934

Commission File Number:001-40392

Delaware38-2663964
(State or other jurisdiction of incorporation or organization)(I.R.S Employer Identification No.)

Registrant's address of principal executive offices:500 Woodward Ave., Suite 2900, Detroit, Michigan 48226-1279

Registrant's telephone number, including area code: (313)402-8532

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

Title of Each ClassTrading SymbolName of Exchange on which Registered
Common stock, par value $0.01DTMNew York Stock Exchange

Indicate by check mark whether the registrant (1) has filed all reports required to be filed by Section 13 or 15(d) of the Securities Exchange Act of 1934 during the preceding 12 months (or for such shorter period that the registrant was required to file such reports), and (2) has been subject to such filing requirements for the past 90 days. Yes ☒ No ☐

Indicate by check mark whether the registrant has submitted electronically every Interactive Data File required to be submitted pursuant to Rule 405 of Regulation S-T (§ 232.405 of this chapter) during the preceding 12 months (or for such shorter period that the registrant was required to submit such files). Yes ☒ No ☐

Indicate by check mark whether the registrant is a large accelerated filer, an accelerated filer, a non-accelerated filer, a smaller reporting company, or an emerging growth company. See the definitions of "large accelerated filer," "accelerated filer," "smaller reporting company," and "emerging growth company" in Rule 12b-2 of the Exchange Act.

Large accelerated filerAccelerated filerNon-accelerated filerSmaller reporting companyEmerging 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.☐

Indicate by check mark whether the registrant is a shell company (as defined in Rule 12b-2 of the Exchange Act). Yes☐ No☒

Number of shares of common stock outstanding as of September 30, 2025:

DescriptionShares
Common stock, par value $0.01101,673,925

TABLE OF CONTENTS

Page
Definitions1
Filing Format4
Forward-Looking Statements4
PART I — FINANCIAL INFORMATION
Item 1.Financial Statements
DT Midstream Consolidated Financial Statements (Unaudited)6
Notes to Consolidated Financial Statements (Unaudited)13
Note 1 — Description of the Business and Basis of Presentation13
Note 2 — Significant Accounting Policies15
Note 3 — New Accounting Pronouncements17
Note 4 — Revenue18
Note 5 — Goodwill20
Note 6 — Earnings Per Share and Dividends20
Note 7 — Income Taxes21
Note 8 — Fair Value21
Note 9 — Debt23
Note 10 — Commitments and Contingencies24
Note 11 — Segment and Related Information25
Note 12 — Acquisition27
Note 13 — Regulatory Matters28
Note 14 — Subsequent Event28
Item 2.Management’s Discussion and Analysis of Financial Condition and Results of Operations29
Item 3.Quantitative and Qualitative Disclosures About Market Risk35
Item 4.Controls and Procedures36
PART II — OTHER INFORMATION
Item 1.Legal Proceedings37
Item 1A.Risk Factors37
Item 4.Mine Safety Disclosure37
Item 5.Other Information37
Item 6.Exhibits38
Signature40
ContentsView on SEC.gov

The text of this filing, as the company filed it with the SEC, without its images or exhibits. This is not investment advice.