# EDGAR Filing Document

**Accession Number:** 0002087681
**File Stem:** 0001140361-25-035859
**Filing Date:** 2025-9
**Character Count:** 10821
**Document Hash:** a848bdd3fc66823c0b429865018e57b5
**Contains OCR:** False
**Source Format:** 

## Filing Content

## Filing Summary
**0001140361-25-035859.hdr.sgml**: 20250923

**ACCESSION NUMBER**: 0001140361-25-035859

**CONFORMED SUBMISSION TYPE**: 3

**PUBLIC DOCUMENT COUNT**: 2

**CONFORMED PERIOD OF REPORT**: 20250917

**FILED AS OF DATE**: 20250923

**DATE AS OF CHANGE**: 20250923

**REPORTING-OWNER**: 

**OWNER DATA:**
- **COMPANY CONFORMED NAME:** Finland Joseph Peter
- **CENTRAL INDEX KEY:** 0002087681

**ORGANIZATION NAME:**

**FILING VALUES:**
- **FORM TYPE:** 3
- **SEC ACT:** 1934 Act
- **SEC FILE NUMBER:** 001-40392
- **FILM NUMBER:** 251334508

**MAIL ADDRESS:**
- **STREET 1:** 500 WOODWARD AVE.
- **STREET 2:** SUITE 2900
- **CITY:** DETROIT
- **STATE:** MI
- **ZIP:** 48226
**ISSUER**: 

**COMPANY DATA:**
- **COMPANY CONFORMED NAME:** DT Midstream, Inc.
- **CENTRAL INDEX KEY:** 0001842022
- **STANDARD INDUSTRIAL CLASSIFICATION:** NATURAL GAS TRANSMISSION [4922]
- **ORGANIZATION NAME:** 01 Energy & Transportation
- **EIN:** 382663964
- **STATE OF INCORPORATION:** DE
- **FISCAL YEAR END:** 1231

**BUSINESS ADDRESS:**
- **STREET 1:** 500 WOODWARD AVENUE
- **STREET 2:** SUITE 2900
- **CITY:** DETROIT
- **STATE:** MI
- **ZIP:** 48226-1279
- **BUSINESS PHONE:** 313-402-8532

**MAIL ADDRESS:**
- **STREET 1:** 500 WOODWARD AVENUE
- **STREET 2:** SUITE 2900
- **CITY:** DETROIT
- **STATE:** MI
- **ZIP:** 48226-1279

## Ex-24

------

#### EXHIBIT 24

#### LIMITED POWER OF ATTORNEY

#### FOR

#### DT MIDSTREAM, INC.

Know all by these presents, that the undersigned hereby constitutes and appoints each of Wendy Ellis, Andrew T. Hayner and Christine E. Kaliszuk, signing singly, the undersigned's true and lawful attorney-in-fact to:

<sup>(1)</sup> execute for and on behalf of the undersigned, in the undersigned's capacity as an officer, director and/or stockholder of DT Midstream, Inc. (the "<u>Company</u>"), Forms ID, 3, 4, and 5 and amendments thereto in accordance with Section 16(a) of the Securities Exchange Act of 1934, as amended, and the rules thereunder;<br>

<sup>(2)</sup> do and perform any and all acts for and on behalf of the undersigned which may be necessary or desirable to complete and execute any such Form ID, 3, **4,** or 5 or amendment thereto and timely file such form with the United States Securities and Exchange Commission (the "<u>SEC</u>") and any stock exchange or similar authority;<br>

<sup>(3)</sup> take such actions as may be necessary or appropriate to enable the undersigned to submit and file forms, schedules and other documents with the SEC utilizing the SEC's Electronic Data Gathering and Retrieval ("<u>EDGAR</u>") system, which actions may include (a) enrolling the undersigned in EDGAR Next and (b) preparing, executing and submitting to the SEC a Form ID, amendments thereto, and such other documents and information as may be necessary or appropriate to obtain codes and passwords enabling the undersigned to make filings and submissions utilizing the EDGAR system;<br>

<sup>(4)</sup> act as an account administrator for the undersigned's EDGAR account, including: (a) appointing, removing and replacing account administrators, account users, technical administrators and delegated entities; (b) maintaining the security of the undersigned's EDGAR account, including modification of access codes; (c) maintaining, modifying and certifying the accuracy of information on the undersigned's EDGAR account dashboard; (d) acting as the EDGAR point of contact with respect to the undersigned's EDGAR account; and (e) any other actions contemplated by Rule 10 of Regulation S-T with respect to account administrators;<br>

<sup>(5)</sup> cause the Company to accept a delegation of authority from any of the undersigned's EDGAR account administrators and, pursuant to that delegation, authorize the Company's EDGAR account administrators to appoint, remove or replace users for the undersigned's EDGAR account; and<br>

------

<sup>(6)</sup> take any other action of any type whatsoever which, in the opinion of such attorney-in-fact, may be necessary or desirable in connection with the foregoing authority, it being understood that the documents executed by such attorney-in- fact on behalf of the undersigned pursuant to this Power of Attorney shall be in such form and shall contain such terms and conditions as such attorney-in-fact may approve.<br>

The undersigned hereby grants to each such attorney-in-fact full power and authority to do and perform any and every act and thing whatsoever requisite, necessary, or proper to be done in the exercise of any of the rights and powers herein granted, as fully to all intents and purposes as the undersigned might or could do if personally present, with full power of substitution or revocation, hereby ratifying and confirming all that such attorney-in-fact, or such attorney-in- fact's substitute or substitutes, shall lawfully do or cause to be done by virtue of this Power of Attorney and the rights and powers herein granted. The undersigned acknowledges that the foregoing attorneys-in-fact, in serving in such capacity at the request of the undersigned, are not assuming, nor is the Company assuming, any of the undersigned's responsibilities to comply with Section 16 of the Securities Exchange Act of 1934.

This Power of Attorney shall remain in full force and effect until the undersigned is no longer required to file Forms ID, 3, 4, and 5 with respect to the undersigned's holdings of and transactions in securities of the Company, unless earlier revoked by the undersigned in a signed writing delivered to the foregoing attorneys-in-fact. This Power of Attorney may be filed with the SEC as a confirming statement of the authority granted herein.

------

IN WITNESS WHEREOF, the undersigned has caused this Power of Attorney to be executed as of this <u>15</u><u>th</u> day of September, 2025.

---

| | |
|:---|:---|
| Signature: | /s/ Joseph Finland |
| Print Name: | Joseph Finland |

---

State of <u>Michigan<br> </u> <br> County of <u>Wayne</u>

This Power of Attorney was acknowledged before me on September <u>15</u>, 2025 by Joseph Finland.

---

| | |
|:---|:---|
| Notary Signature | /s/ Dianne M. Gilin |
| [Notary Seal]: |  |

---

------

### UNITED STATES SECURITIES AND EXCHANGE COMMISSION
**Washington, D.C. 20549**

## FORM 3

### INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES

[ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).

---

| | | |
|:---|:---|:---|
| **1. Name and Address of Reporting Person**<sup>*</sup><br>Finland Joseph Peter<br><sub>(Last) (First) (Middle)</sub><br>500 WOODWARD AVE., SUITE 2900<br><sub>(Street)</sub><br>DETROIT, MI 48226<br><sub>(City) (State) (Zip)</sub> | **3. Issuer Name and Ticker or Trading Symbol**<br>DT Midstream, Inc. [ DTM ] | **5. If Amendment, Date of Original Filed (Month/Day/Year)**<br>  |
| **2. Date of Event Requiring Statement (Month/Day/Year)**<br>2025-09-17 | **4. Relationship of Reporting Person(s) to Issuer**<br>(Check all applicable)<br>[ ] Director   [ ] 10% Owner<br>[X] Officer (give title below)   [ ] Other (specify below)<br>_Chief Accounting Officer_ | **6. Individual or Joint/Group Filing (Check Applicable Line)**<br>[X] Form filed by One Reporting Person<br>[ ] Form filed by More than One Reporting Person |

---

## Table I - Non-Derivative Securities Beneficially Owned

---

|  |  |  |  |
| --- | --- | --- | --- |
| 1. Title of Security | 2. Amount of Securities Beneficially Owned | 3. Ownership Form | 4. Nature of Indirect Beneficial Ownership |

---

## Table II - Derivative Securities Beneficially Owned

---

|  |  |  |  |  |  |  |  |
| --- | --- | --- | --- | --- | --- | --- | --- |
| 1. Title of Derivative Security | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 2. Date Exercisable and Expiration Date (Month/Day/Year) | 3. Title and Amount of Underlying Securities | 3. Title and Amount of Underlying Securities | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| 1. Title of Derivative Security | Date Exercisable | Expiration Date | Title | Amount or Number of Shares | 4. Conversion or Exercise Price | 5. Ownership Form | 6. Nature of Indirect Beneficial Ownership |
| Restricted Stock Units | <sup>(1)</sup> | <sup>(1)</sup> | Common Stock | 316.8922<sup>(2)</sup> | <sup>(3)</sup> | D |  |
| Restricted Stock Units | <sup>(4)</sup> | <sup>(4)</sup> | Common Stock | 2036.6646<sup>(2)</sup> | <sup>(3)</sup> | D |  |
| Restricted Stock Units | <sup>(5)</sup> | <sup>(5)</sup> | Common Stock | 336.63<sup>(2)</sup> | <sup>(3)</sup> | D |  |
| Restricted Stock Units | <sup>(6)</sup> | <sup>(6)</sup> | Common Stock | 179.9373<sup>(2)</sup> | <sup>(3)</sup> | D |  |
| Restricted Stock Units | <sup>(7)</sup> | <sup>(7)</sup> | Common Stock | 772.6125<sup>(2)</sup> | <sup>(3)</sup> | D |  |

---

### Footnotes:

(1) Restricted stock units vest on February 1, 2026, subject to the Reporting Person's continued employment with the Issuer through the vesting date.

(2) Includes associated dividend equivalents under the Issuer's long-term incentive plan.

(3) Each restricted stock unit represents a contingent right to receive one share of the Issuer's common stock with any fractional shares being paid in cash.

(4) Restricted stock units of which 965 vest on March 1, 2026 and 965 vest on March 1, 2027, together with associated dividend equivalents, subject to the Reporting Person's continued employment with the Issuer through the applicable vesting dates.

(5) Restricted stock units vest on February 15, 2027, subject to the Reporting Person's continued employment with the Issuer through the vesting date.

(6) Restricted stock units vest on February 25, 2028, subject to the Reporting Person's continued employment with the Issuer through the vesting date.

(7) Restricted stock units vest on March 1, 2028, subject to the Reporting Person's continued employment with the Issuer through the vesting date.

**Remarks:**
Exhibit 24 (Power of Attorney)

**Signature:** /s/ Andrew Hayner, Attorney-in-Fact  
**Date:** 2025-09-23

### Remarks:

Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.

* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).

** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).

Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.

**Persons who respond to the collection of information contained in this form are not required to respond unless the form displays a currently valid OMB Number.**