Document:

EX-10.1

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 Exhibit 10.1 

TRANSITION SERVICES AGREEMENT 
 by
and between 
 DTE ENERGY COMPANY 

and 
 DT MIDSTREAM, INC. 

Dated as of [                ], 2021 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 TABLE OF CONTENTS 
  

							
	 	 	 	  	Page	 
	 ARTICLE I
	  	 	 
		
	Definitions	  	 	 
			
	 SECTION 1.01.
	 	Definitions
...................................................................................................................................................
	  	 	1	 
		
	ARTICLE II	  	 	 
		
	Services	  	 	 
			
	 SECTION 2.01.
	 	Provision of Services
.......................................................................................................................................	  	 	4	 
	 SECTION 2.02.
	 	Service Managers; Contacts
...............................................................................................................................	  	 	4	 
	 SECTION 2.03.
	 	Personnel; Sub-Contractors
...............................................................................................................................	  	 	5	 
	 SECTION 2.04.
	 	Standard of Performance
......................................................................................................................................	  	 	5	 
	 SECTION 2.05.
	 	DISCLAIMER OF WARRANTIES
......................................................................................................................	  	 	6	 
	 SECTION 2.06.
	 	Service Amendments and Additions
.....................................................................................................................	  	 	6	 
	 SECTION 2.07.
	 	No Management Authority
..............................................................................................................................	  	 	7	 
		
	ARTICLE III	  	 	 
		
	Migration Services	  	 	 
			
	 SECTION 3.01.
	 	Migration Services
.....................................................................................................................................
	  	 	7	 
		
	ARTICLE IV	  	 	 
		
	Access and Security	  	 	 
			
	 SECTION 4.01.
	 	Access; Cooperation
...................................................................................................................................
	  	 	7	 
	 SECTION 4.02.
	 	Security
.......................................................................................................................................................
	  	 	8	 
		
	ARTICLE V	  	 	 
		
	Limitations	  	 	 
			
	 SECTION 5.01.
	 	Upgrades
.........................................................................................................................
.........................	  	 	9	 
	 SECTION 5.02.
	 	Consents
....................................................................................................................................................
	  	 	9	 
	 SECTION 5.03.
	 	Compliance with Laws
...............................................................................................................................	  	 	9	 
	 SECTION 5.04.
	 	Shutdowns; Interruptions
...........................................................................................................................	  	 	9	 
	 SECTION 5.05.
	 	Force Majeure
...........................................................................................................................................
	  	 	10	 
	 SECTION 5.06.
	 	Interim Basis Only
......................................................................................................................................
	  	 	10	 
	 SECTION 5.07.
	 	Third Parties
.............................................................................................................................................
	  	 	11	 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

							
		
	ARTICLE VI	  	 	 
		
	Intellectual Property and Data	  	 	 
			
	 SECTION 6.01.
	 	Use of Intellectual Property
.................................................................................................................................	  	 	11	 
	 SECTION 6.02.
	 	Ownership of Intellectual Property
......................................................................................................................	  	 	11	 
	 SECTION 6.03.
	 	Title to Intellectual Property; Title to Data
...........................................................................................................	  	 	11	 
	 SECTION 6.04.
	 	Third-Party Software
......................................................................................................................................
	  	 	12	 
		
	ARTICLE VII	  	 	 
		
	Compensation	  	 	 
			
	 SECTION 7.01.
	 	Compensation for Services
..................................................................................................................................	  	 	12	 
	 SECTION 7.02.
	 	Payment Terms
..................................................................................................................................................
	  	 	12	 
	 SECTION 7.03.
	 	Books and Records
............................................................................................................................................	  	 	13	 
	 SECTION 7.04.
	 	Withholding
.....................................................................................................................................................
	  	 	13	 
	 SECTION 7.05.
	 	No Offset
.........................................................................................................................................................
	  	 	13	 
		
	ARTICLE VIII	  	 	 
		
	Term	  	 	 
			
	 SECTION 8.01.
	 	Commencement
.............................................................................................................................................
	  	 	14	 
	 SECTION 8.02.
	 	Service Extension
...........................................................................................................................................
	  	 	14	 
	 SECTION 8.03.
	 	Termination
....................................................................................................................................................
	  	 	14	 
	 SECTION 8.04.
	 	Effect of Termination
......................................................................................................................................	  	 	15	 
	 SECTION 8.05.
	 	Return of Books, Records and Files
....................................................................................................................	  	 	15	 
		
	ARTICLE IX	  	 	 
		
	Indemnification; Limitation on Liability	  	 	 
			
	 SECTION 9.01.
	 	Indemnification
................................................................................................................................................
	  	 	15	 
	 SECTION 9.02.
	 	Limitation on Liability
..................................................................................................................................
	  	 	16	 
		
	ARTICLE X	  	 	 
		
	Other Covenants	  	 	 
			
	 SECTION 10.01.
	 	Attorney-in-Fact
.............................................................................................................................................
	  	 	17	 

  
 ii 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

							
		
	ARTICLE XI	  	 	 
		
	Miscellaneous	  	 	 
			
	 SECTION 11.01.
	 	Disputes
............................................................................................................................................................
	  	 	17	 
	 SECTION 11.02.
	 	Separation Agreement
......................................................................................................................................	  	 	18	 
	 SECTION 11.03.
	 	Relationship of Parties
......................................................................................................................................	  	 	18	 
	 SECTION 11.04.
	 	Confidentiality
................................................................................................................................................
	  	 	18	 
	 SECTION 11.05.
	 	Counterparts; Entire Agreement
...........................................................................................................................	  	 	18	 
	 SECTION 11.06.
	 	Governing Law; Jurisdiction
...............................................................................................................................	  	 	19	 
	 SECTION 11.07.
	 	Assignability
..................................................................................................................................................
	  	 	19	 
	 SECTION 11.08.
	 	Third-Party Beneficiaries
...................................................................................................................................	  	 	19	 
	 SECTION 11.09.
	 	Notices
.............................................................................................................................................................
	  	 	20	 
	 SECTION 11.10.
	 	Survival
............................................................................................................................................................
	  	 	20	 
	 SECTION 11.11.
	 	Severability
......................................................................................................................................................
	  	 	20	 
	 SECTION 11.12.
	 	Headings
..........................................................................................................................................................
	  	 	20	 
	 SECTION 11.13.
	 	Waivers of Default
..........................................................................................................................................
	  	 	20	 
	 SECTION 11.14.
	 	Amendments
....................................................................................................................................................
	  	 	20	 
	 SECTION 11.15.
	 	Interpretation
....................................................................................................................................................
	  	 	20	 

  

							
	 Schedule A
	 	 -   Services to be Provided to DT Midstream, Inc.
	  			

  
 iii 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 TRANSITION SERVICES AGREEMENT (this “Agreement”), dated as of
[                ], 2021, by and between DTE ENERGY COMPANY, a Michigan corporation (“DTE Energy”), and DT MIDSTREAM, INC., a Delaware corporation
(“DT Midstream”). 
 RECITALS 

WHEREAS, in connection with the contemplated Spin-Off of DT Midstream and concurrently with the
execution of this Agreement, DTE Energy and DT Midstream are entering into a Separation and Distribution Agreement (the “Separation Agreement”); 

WHEREAS, DT Midstream desires to obtain from DTE Energy, and DTE Energy desires to provide to DT Midstream, certain services, as more
particularly described in this Agreement, for a limited period of time following the Spin-Off; and 

WHEREAS, each of DTE Energy and DT Midstream desires to reflect the terms of their agreement with respect to such services. 

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are acknowledged by this Agreement, DTE Energy and
DT Midstream, for themselves, their successors and assigns, agree as follows: 
 ARTICLE I 

Definitions 
 SECTION
1.01. Definitions. As used in this Agreement, the following terms have the following meanings: 
 “Additional
Services” has the meaning ascribed thereto in Section 2.06(b). 
 “Affiliate” has the meaning ascribed
thereto in the Separation Agreement. 
 “Agreement” has the meaning ascribed thereto in the preamble. 

“Ancillary Agreements” has the meaning ascribed thereto in the Separation Agreement. 

“Applicable Termination Date” means, with respect to each Service or Function, the date that is 24 months from the
Distribution Date, or such earlier termination date specified with respect to such Service or Function, as applicable, in Schedule A. 

“Change in Control Party” has the meaning ascribed thereto in Section 4.02(c). 

“Change in Control Transaction” means the acquisition in any manner by any Person or “group” (within the meaning of
Section 13(d) of the U.S. Securities Exchange Act of 1934) of (i) all or substantially all of the assets of a Party and its subsidiaries, taken as a whole, or (ii) more than 50% of a Party’s equity securities. 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Consents” has the meaning ascribed thereto in the Separation Agreement.

 “Contact” means either the Provider Contact or the Receiver Contact, as the context requires. 

“Control” means, with respect to a Person, the possession, directly or indirectly, of the power to direct or cause the
direction of the management or policies of such Person, whether through ownership of voting securities or other interests, by Contract (as such term is defined in the Separation Agreement) or otherwise. 

“Cost of Services” means, with respect to each Service or Function, the amount specified with respect to such Service or
Function, as applicable, in Schedule A, to be paid by a Receiver in respect of such Service or Function to the Provider of such Service or Function. 

“Dispute” has the meaning ascribed thereto in Section 11.01. 

“Dispute Notice” has the meaning ascribed thereto in Section 11.01. 

“Distribution” has the meaning ascribed thereto in the Separation Agreement. 

“Distribution Date” has the meaning ascribed thereto in the Separation Agreement. 

“DT Midstream” has the meaning ascribed thereto in the preamble. 

“DT Midstream Business” has the meaning ascribed thereto in the Separation Agreement. 

“DT Midstream Group” has the meaning ascribed thereto in the Separation Agreement. 

“DT Midstream Indemnitees” has the meaning ascribed thereto in the Separation Agreement. 

“DTE Energy” has the meaning ascribed thereto in the preamble. 

“DTE Energy Business” has the meaning ascribed thereto in the Separation Agreement. 

“DTE Energy Group” has the meaning ascribed thereto in the Separation Agreement. 

“DTE Energy Indemnitees” has the meaning ascribed thereto in the Separation Agreement. 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Force Majeure Event” has the meaning ascribed thereto in Section 5.05.

 “Function” means a business function identified in Schedule A. 

“Governmental Authority” has the meaning ascribed thereto in the Separation Agreement. 

“Group” means either the DTE Energy Group or the DT Midstream Group, as the context requires. 

“Indemnitee” means a DTE Energy Indemnitee or a DT Midstream Indemnitee, as the context requires. 

“Information” has the meaning ascribed thereto in the Separation Agreement. 

“Insurance Proceeds” has the meaning ascribed thereto in the Separation Agreement. 

“Interruption” has the meaning ascribed thereto in Section 5.04(b). 

“Law” has the meaning ascribed thereto in the Separation Agreement. 

“Liabilities” has the meaning ascribed thereto in the Separation Agreement. 

“Migration Services” has the meaning ascribed thereto in Section 3.01. 

“Party” means either party hereto, and “Parties” means both parties hereto. 

“Person” has the meaning ascribed thereto in the Separation Agreement. 

“Provider” means any member of the DTE Energy Group, in its capacity as the provider of any Services to any member of the DT
Midstream Group. 
 “Provider Contact” has the meaning ascribed thereto in Section 2.02(b). 

“Receiver” means any member of the DT Midstream Group, in its capacity as the receiver of any Services from any member of the
DTE Energy Group. 
 “Receiver Contact” has the meaning ascribed thereto in Section 2.02(b). 

“Sales Taxes” has the meaning ascribed thereto in Section 7.01(c). 

“Separation Agreement” has the meaning ascribed thereto in the recitals. 

“Service Extension” has the meaning ascribed thereto in Section 8.02. 

“Service Manager” has the meaning ascribed thereto in Section 2.02(a). 

  
 3 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Services” means the individual services included within the various
Functions identified in Schedule A. 
 “Shutdown” has the meaning ascribed thereto in Section 5.04(a). 

“Spin-Off” has the meaning ascribed thereto in the Separation Agreement. 

“Sub-Contractor” has the meaning ascribed thereto in Section 2.03(b). 

“Third-Party Claim” has the meaning ascribed thereto in the Separation Agreement. 

“U.S.” means the United States of America. 

ARTICLE II 
 Services 

SECTION 2.01. Provision of Services. 

(a) Commencing immediately after the Distribution, DTE Energy shall, and shall cause the applicable members of the DTE Energy Group to,
provide to DT Midstream and the applicable members of the DT Midstream Group the Services set forth in Schedule A in accordance with the terms of this Agreement. 

(b) Commencing immediately after the Distribution, DT Midstream shall, and shall cause the applicable members of the DT Midstream Group to,
pay, perform, discharge and satisfy, as and when due, its and their respective obligations as Receivers under this Agreement in accordance with the terms of this Agreement. 

SECTION 2.02. Service Managers; Contacts. 

(a) Each of DTE Energy and DT Midstream agrees to appoint an employee representative (each, a “Service Manager”) who shall
have overall responsibility for implementing, managing and coordinating the Services pursuant to this Agreement on behalf of DTE Energy or DT Midstream, as applicable. The Service Managers shall consult and coordinate with each other on a regular
basis, as needed, during the term of this Agreement. 
 (b) For each Service or Function set forth on Schedule A, the Provider and Receiver
shall each appoint an employee representative (each, a “Provider Contact” or “Receiver Contact”, respectively) who shall have responsibility for implementing, managing and coordinating such Service or Function
pursuant to this Agreement on behalf of the Provider or Receiver, as applicable. 
 (c) Initially, the Service Managers and Contacts shall
be the individuals set forth on Schedule A. At any time upon notice given in accordance with Section 11.09, (i) either Party may change its designated Service Manager and (ii) any Provider or Receiver may change any of its designated
Contacts. 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 SECTION 2.03. Personnel; Sub-Contractors. 

(a) The Provider shall determine the personnel who shall perform the Services to be provided by it. All personnel providing Services shall
remain at all times, and be deemed to be, employees or representatives solely of the Provider responsible to provide such Services (or its Affiliates or Sub-Contractors) for all purposes, and not to be
employees or representatives of the Receiver. The Provider (or its Affiliates or Sub-Contractors) shall be solely responsible for payment of (i) all compensation, (ii) all income, disability,
withholding and other employment taxes and (iii) all medical benefit premiums, vacation pay, sick pay and other employee benefits payable to or with respect to personnel who perform Services on behalf of such Provider. All such personnel shall
be under the sole direction, control and supervision of the Provider and the Provider has the sole right to exercise all authority with respect to the employment, substitution, termination, assignment and compensation of such personnel. 

(b) The Provider may, at its option, from time to time, delegate any or all of its obligations to perform Services under this Agreement to any
one or more of its Affiliates or engage the services of other professionals, consultants or other third parties (each, a “Sub-Contractor”) in connection with the performance of the Services;
provided, however, that (i) the Provider shall remain ultimately responsible for ensuring that its obligations with respect to the manner, scope, time frame, nature, quality and other aspects of the Services are satisfied with
respect to any Services provided by any such Affiliate or Sub-Contractor and shall be liable for any failure of a Sub-Contractor to so satisfy such obligations (and any
breaches of any provision hereof) and (ii) such Sub-Contractor agrees in writing to be bound by confidentiality provisions at least as restrictive to it as the terms of Section 11.04 of this
Agreement. Except as agreed by the Parties in Schedule A or otherwise in writing, any costs associated with engaging the services of an Affiliate of the Provider or a Sub-Contractor shall not affect the Cost
of Services payable by the Receiver under this Agreement, and the Provider shall remain solely responsible with respect to payment for such Affiliate’s or Sub-Contractor’s costs, fees and expenses.

 SECTION 2.04. Standard of Performance. 

(a) The Services shall be performed in substantially the same manner, scope, time frame, nature and quality, with the same care, and to the
same extent and service level as such Services (or substantially similar services) were provided to the DT Midstream Business immediately prior to the Distribution Date, unless the Services are being provided by a
Sub-Contractor who is also providing the same services to the Provider or any other member of the DTE Energy Group, in which case the Services shall be performed for the Receiver in substantially the same
manner, scope, time frame, nature and quality, with the same care, and to the same extent and service level as they are being performed for the Provider or such other member of the DTE Energy Group, as applicable. If the DTE Energy Business did not
provide such Services (or substantially similar services) to the DT Midstream Business immediately prior to the Distribution Date, then the Provider shall use commercially reasonable efforts to perform the Services in a competent and professional
manner generally consistent with industry standards. The Services shall be used solely for the operation of the DT Midstream Business for substantially the same purpose as used by the Receiver or any other applicable member of the DT Midstream Group
on the date of this Agreement. 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 (b) The Parties acknowledge that the Provider may make changes from time to time in the
manner of performing Services if the Provider is making similar changes in performing the same or substantially similar Services for itself or other members of the DTE Energy Group; provided, however, that, unless expressly
contemplated in Schedule A, such changes shall not affect the Cost of Services for such Service payable by the Receiver under this Agreement or decrease the manner, scope, time frame, nature, quality or level of the Services provided to the
Receiver, except upon prior written approval of the Receiver. 
 SECTION 2.05. DISCLAIMER OF WARRANTIES. WITHOUT LIMITATION TO THE
COVENANTS RELATING TO THE PROVISION OF SERVICES SET FORTH IN SECTION 2.04, THE SERVICES TO BE PROVIDED UNDER THIS AGREEMENT ARE FURNISHED WITHOUT REPRESENTATION OR WARRANTY OF ANY KIND, EXPRESS OR IMPLIED, INCLUDING ANY WARRANTY OF
MERCHANTABILITY OR FITNESS FOR ANY PARTICULAR PURPOSE. NO MEMBER OF THE DTE ENERGY GROUP MAKES ANY REPRESENTATION OR WARRANTY THAT ANY SERVICE COMPLIES WITH ANY LAW, DOMESTIC OR FOREIGN. 

SECTION 2.06. Service Amendments and Additions. 

(a) Subject to this Section 2.06, the Parties agree that the Services set forth in Schedule A constitute all of the Services to be
provided by members of the DTE Energy Group as of the Distribution Date. 
 (b) DT Midstream may request DTE Energy to provide, or cause the
applicable members of the DTE Energy Group to provide, amended or additional services that are not the Services identified in Schedule A as of the Distribution Date. In the event that DT Midstream desires to have DTE Energy, or the applicable
members of the DTE Energy Group, provide additional services (“Additional Services”), DTE Energy, in its sole discretion, may agree to provide, or cause the applicable members of the DTE Energy Group to provide, such Additional
Services. 
 (c) If DTE Energy agrees in writing to provide, or cause the applicable members of the DTE Energy Group to provide, Additional
Services pursuant to this Section 2.06, then the Parties shall in good faith negotiate an amendment to Schedule A, which shall describe in detail the service or function, as applicable, project scope, term, price and payment terms to be charged
for such Additional Services. Once agreed to in writing, the amendment to Schedule A shall be deemed part of this Agreement as of the date of such amendment and the Additional Services shall be deemed “Services” or “Function”, as
applicable, provided hereunder, in each case subject to the terms and conditions of this Agreement. 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 SECTION 2.07. No Management Authority. Notwithstanding anything to the contrary
contained in this Agreement (including Schedule A), no Provider (or any Affiliate or Sub-Contractor of a Provider) shall be authorized by, or shall have any responsibility under, this Agreement to make any
management, business or regulatory decisions on behalf of any Receiver as part of providing the Services. 
 ARTICLE III 

Migration Services 

SECTION 3.01. Migration Services. The Provider shall, and shall use commercially reasonable efforts to cause its Affiliates and Sub-Contractors to, assist the Receiver in connection with the transition from the performance of Services by the Provider to the performance of such Services by the Receiver or third parties engaged by the
Receiver, which efforts may include assistance with the transfer of records, segregation and migration of historical data, the transition to non-Provider systems and cooperation with and assistance to any
third party consultants engaged by the Receiver in connection with the transition (“Migration Services”), taking into account (i) the need to minimize the cost of such transition and the disruption to the ongoing business
activities of the Parties and their Affiliates and (ii) the rights and interests of protecting confidential Information and privilege in accordance with Sections 7.01(c) and 7.09 of the Separation Agreement. This Section 3.01 shall be
in addition to, and shall not be deemed to limit, the provisions of Section 7.09(b) of the Separation Agreement. 
 ARTICLE IV 

Access and Security 

SECTION 4.01. Access; Cooperation. The Parties shall cooperate in good faith to the extent necessary or appropriate to facilitate the
performance and receipt of the Services in accordance with the terms of this Agreement. Without limiting the generality of the foregoing, (i) each Party shall make available on a timely basis to the other Party all information and materials
requested by such Party to the extent reasonably necessary for the performance or receipt of the Services, (ii) each Party shall, and shall cause the other members of its Group and their respective
Sub-Contractors, if applicable, to, upon reasonable notice, give or cause to be given to the other Party, the other members of its Group and their respective
Sub-Contractors, if applicable, reasonable access, during regular business hours and at such other times as are reasonably required, to the relevant premises and personnel to the extent reasonably necessary
for the performance or receipt of the Services and (iii) each Party shall, and shall cause the other members of its Group and their respective Sub-Contractors, if applicable, to, give the other Party, the
other members of its Group and their respective Sub-Contractors, if applicable, reasonable access to, and all necessary rights to utilize, the other Party’s, and its Group’s, information, facilities,
personnel, assets, systems and technologies to the extent reasonably necessary for the performance or receipt of the Services. 

  
 7 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 SECTION 4.02. Security. 

(a) Each Party shall, and shall cause the other members of its Group, their respective
Sub-Contractors, if applicable, and the personnel thereof, to: (i) not attempt to obtain access to, use or interfere with any information technology systems of the other Party or any other member of its
Group, or any confidential or competitively sensitive information owned, used or processed by the other Party, except to the extent reasonably necessary to do so to provide or receive Services; (ii) maintain reasonable security measures to
protect the systems of the other Party and the other members of the other Party’s Group to which it has access pursuant to this Agreement from access by unauthorized third parties; and (iii) not disable, damage or erase or disrupt or
impair the normal operation of the information technology systems of the other Party or any other member of its Group. 
 (b) Each Party
shall (i) immediately notify the other Party of any confirmed misuse, disclosure or loss of, or inability to account for, any confidential or competitively sensitive information and any confirmed unauthorized access to the first Party’s
facilities, systems or network; and such first Party shall investigate such confirmed security incidents and reasonably cooperate with the other Party’s incident response team, supplying logs and other necessary information to mitigate and
limit the damages resulting from such a security incident; provided that such other Party agrees to reimburse the first Party for time spent and actual travel expenses incurred in connection with any such investigation; and (ii) subject
to applicable Law, use commercially reasonable efforts to comply with any reasonable requests to assist such other Party with its electronic discovery obligations related to the Services; provided that such other Party agrees to reimburse the
first Party for time spent and actual travel expenses incurred in connection with such response. 
 (c) If either Party is party to a Change
in Control Transaction (“Change in Control Party”), such Change in Control Party shall promptly, but no later than 30 days prior to the close of the Change in Control Transaction, return to the other Party or permanently delete and
destroy all confidential Information in its possession pertaining to the other Party, other than such Information electronically preserved or recorded within any computerized data storage device or component (including any hard drive or database)
pursuant to automatic or routine backup procedures generally accessible only by legal, IT or compliance personnel, which such Information shall not be used by the Change in Control Party for any other purpose. Upon the request of the other Party,
the Change in Control Party shall provide confirmation of such deletion or destruction, if any. 
 ARTICLE V 

Limitations 
 SECTION
5.01. Upgrades. The Provider shall have no obligation to purchase, upgrade, enhance or otherwise modify any computer hardware, software or network environment currently used by the Provider (or any Affiliate or
Sub-Contractor of such Provider), or to provide any support or maintenance services for any computer hardware, software or network environment that has been upgraded, enhanced or otherwise modified from the
computer hardware, software or network environments that are currently used by the Provider (or any Affiliate or Sub-Contractor of such Provider). 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 SECTION 5.02. Consents. 

(a) Nothing in this Agreement shall be deemed to require the provision of any Service by any Provider (or any Affiliate or Sub-Contractor of a Provider) to any Receiver if the provision of such Service requires the Consent of any Person (including any Governmental Authority), whether under applicable Law, by the terms of any contract to
which such Provider or any other member of the DTE Energy Group is a party or otherwise, unless and until, subject to the last sentence of Section 5.02(c), such Consent has been obtained. 

(b) The Provider shall use commercially reasonable efforts to obtain as promptly as possible any Consent of any Person that may be necessary
for the performance of the Provider’s obligations pursuant to this Agreement. Any fees, expenses or extra costs incurred in connection with obtaining any such Consents shall be paid by the Receiver, and the Receiver shall use commercially
reasonable efforts to provide assistance as necessary in obtaining such Consents. 
 (c) In the event that the Consent of any Person, if
required in order for the Provider to provide Services, is not obtained reasonably promptly after the Distribution, the Provider shall notify the Receiver and the Parties shall cooperate in devising an alternative manner for the provision of the
Services affected by such failure to obtain such Consent and the Cost of Services associated therewith, such alternative manner and Cost of Services to be reasonably satisfactory to both Parties and agreed to in writing. If the Parties elect such an
alternative plan, the Provider shall provide the Services in such alternative manner and the Receiver shall pay for such Services based on the alternative Cost of Services. 

SECTION 5.03. Compliance with Laws. The Services shall not include, and no Provider (or any Affiliate or
Sub-Contractor of a Provider) shall be obligated to provide, any service the provision of which to the Receiver following the Distribution would constitute a violation of any Law. 

SECTION 5.04. Shutdowns; Interruptions. 

(a) If the Provider determines that it is necessary or appropriate to temporarily suspend a Service due to scheduled or emergency maintenance,
modification, repairs, alterations or replacements (any such event, a “Shutdown”), the Provider shall use commercially reasonable efforts to provide the Receiver with reasonable prior notice of such Shutdown (including information
regarding the nature and the projected length of such Shutdown), unless it is not reasonably practicable under the circumstances to provide such prior notice, and thereafter such Provider shall use commercially reasonable efforts to cooperate with
the Receiver to minimize any impact on the Services caused by such Shutdown. 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 (b) The Parties acknowledge that there may be unanticipated temporary interruptions in the
provision of a Service (any such event, an “Interruption”). The Provider shall use commercially reasonable efforts to provide the Receiver with notice of such Interruption as soon as possible (including information regarding the
nature and the projected length of such Interruption), and thereafter such Provider shall use commercially reasonable efforts to cooperate with the Receiver to minimize any impact on the Services caused by such Interruption. The Provider shall not
be excused from performance if it fails to use commercially reasonable efforts to remedy the situation causing such Interruption. 
 (c) In
the event the obligations of the Provider to provide a Service are suspended in accordance with this Section 5.04, neither the Provider nor any other member of its Group shall have any liability to the Receiver arising out of or resulting from
such suspension of the Provider’s provision of such Service, except to the extent resulting from a breach by the Provider of any agreement or covenant required to be performed or complied with by the Provider pursuant to this Section 5.04
(but subject to the other limitations on liability set forth in this Agreement). 
 SECTION 5.05. Force Majeure. In the event the
performance of any terms or provisions hereof is delayed or prevented, in whole or in part, because of or related to compliance with any Law or requirement of any national securities exchange, or because of riot, war, public disturbance, public
health event, strike, labor dispute, fire, explosion, storm, flood, act of God or act of terrorism that is not within the control of the Provider whose performance is interfered with and which by the exercise of reasonable diligence the Provider is
unable to prevent, or for any other reason which is not within the control of the Provider whose performance is interfered with and which by the exercise of reasonable diligence the Provider is unable to prevent (each, a “Force Majeure
Event”), then upon prompt written notice, stating the date and extent of such interference and the Force Majeure Event which is the cause thereof, by the Provider to the Receiver, the Provider shall be excused from its obligations hereunder
during the period such Force Majeure Event or its effects continue, and no liability shall attach against the Provider on account thereof; provided, however, that the Provider shall promptly resume the required performance upon the
cessation of the Force Majeure Event or its effects. No Provider shall be excused from performance under this Section 5.05 if such Provider fails to use commercially reasonable efforts to avoid the effects of the Force Majeure Event and remove
the cause and effects of the Force Majeure Event. 
 SECTION 5.06. Interim Basis Only. DT Midstream acknowledges that the purpose of
this Agreement is for DT Midstream to receive, and DTE Energy to provide, the Services on an interim basis and that the Services provided hereunder are transitional in nature. During the term of this Agreement, DT Midstream agrees to work diligently
and expeditiously to establish its own logistics, infrastructure and systems to enable a transition to its own internal organization or other third-party providers of the Services and agrees to use its commercially reasonable efforts to reduce or
eliminate its dependency on the DTE Energy’s provision of the Services as soon as is reasonably practicable. 

  
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 SECTION 5.07. Third Parties. Notwithstanding anything to the contrary herein, the
Provider (and the Affiliates and Sub-Contractors of the Provider) shall not be required to perform or to cause to be performed any of the Services for the benefit of any third party or any other Person other
than the Receiver. 
 ARTICLE VI 

Intellectual Property and Data 

SECTION 6.01. Use of Intellectual Property. Each Party, on behalf of itself and the other members of its Group, hereby grants to the
members of the other Party’s Group and to their respective Affiliates and Sub-Contractors, if applicable, providing the Services under this Agreement a nonexclusive, nontransferable, world-wide,
royalty-free, sublicensable license, for the term of this Agreement, to use the intellectual property owned by such Party and the other members of its Group solely to the extent necessary for the other Party, the other members of its Group and their
respective Affiliates and Sub-Contractors, if applicable, to perform their obligations hereunder. 

SECTION 6.02. Ownership of Intellectual Property. 

(a) Subject to the terms of the Separation Agreement, the Provider acknowledges and agrees that it shall acquire no right, title or interest
(including any license rights or rights of use) to any work product resulting from the provision of Services hereunder for the Receiver’s exclusive use and such work product shall remain the exclusive property of the Receiver. To the extent
title to any such work product vests in the Provider by operation of Law, DTE Energy hereby assigns (and shall cause any such Provider, and any Affiliate or Sub-Contractor of such Provider, to assign) to the
applicable Receiver all right, title and interest in and to such work product, and the Provider shall (and shall cause any Affiliate or Sub-Contractor of such Provider to) provide such assistance and execute
such documents as the Receiver may reasonably request to assign to such Receiver all right, title and interest in and to such work product. 

(b) The Receiver acknowledges and agrees that it shall acquire no right, title or interest (other than a
non-exclusive, perpetual, royalty-free worldwide right of use) to any work product resulting from the provision of Services hereunder that is not for the Receiver’s exclusive use and such work product
shall remain the exclusive property of the Provider. 
 SECTION 6.03. Title to Intellectual Property; Title to Data. DT Midstream
acknowledges that (i) except as otherwise expressly provided herein, all procedures, methods, systems, strategies and other intellectual property used by the Provider in connection with the provision of Services shall remain the property of
such Provider and shall at all times be under the sole direction and control of such Provider and (ii) it shall acquire no right, title or interest (including any license rights or rights of use) in any firmware or software, or the licenses
therefor that are owned by the Provider or its Affiliates, by reason of the provision of the Services hereunder, except as expressly provided in Section 6.01 and Section 8.05. 

  
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 SECTION 6.04. Third-Party Software. Each Party acknowledges that it may be necessary
to make proprietary and/or third-party software available to the other Party in the course and for the purpose of performing and receiving the Services. Each Party (i) shall comply with the license restrictions applicable to any and all
proprietary or third-party software made available to such Party by the other Party in the course of the provision and receipt of Services hereunder, (ii) acknowledges receipt of the license terms of use applicable to all proprietary or
third-party software in its possession as of the Distribution Date and (iii) agrees that it shall be responsible for providing to the other Party a copy of the applicable license terms (or, solely with respect to open source software or other
software with publicly available license terms, information sufficient to direct such other Party to a copy thereof) for any and all proprietary or third-party software first made available to such other Party after the Distribution Date, solely to
the extent such provision would not violate the providing Party’s duty of confidentiality owed to any third party. 
 ARTICLE VII 

Compensation 
 SECTION
7.01. Compensation for Services. 
 (a) As compensation for each Service or Function rendered pursuant to this Agreement, the
Receiver shall be required to pay to the Provider the Cost of Services specified for such Service or Function in Schedule A. 
 (b) During
the term of this Agreement, the Cost of Service for a Service or Function may increase to the extent of any increase in the applicable Cost of Services during a Service Extension, in accordance with Section 8.02. 

(c) The amount of any actual and documented sales tax, value-added tax, goods and services tax or similar tax that is required to be assessed
and remitted by the Provider in connection with the Services provided hereunder (“Sales Taxes”) shall be promptly paid to the Provider by the Receiver in accordance with Section 7.02. Such payment shall be in addition to the
Cost of Services set forth in Schedule A (unless such Sales Tax is expressly already accounted for in the applicable Cost of Services). 

SECTION 7.02. Payment Terms. 

(a) The Provider shall bill the Receiver monthly, within 30 business days after the end of each month, or at such other interval specified
with respect to a particular Service or Function in Schedule A, an amount equal to the aggregate Cost of Services due for all Services provided in such month or other specified interval, as applicable, plus any Sales Taxes. Invoices shall be
directed to the Receiver Contact set forth on Schedule A opposite such Service or Function, or to such other Person designated in writing from time to time by such Receiver Contact. The Receiver shall pay such amount in full within 30 business days
after receipt of each invoice by wire transfer of immediately available funds in U.S. Dollars to the account designated by the Provider for this purpose. Each invoice shall set forth in reasonable detail the calculation of the charges and amounts
and applicable 

  
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Sales Taxes, for each Service or Function during the month or other specified interval to which such invoice relates. In addition to any other remedies for
non-payment, if any payment is not received by the Provider on or before the date such amount is due, then a late payment interest charge, calculated at a 2.0% per annum rate, shall immediately begin to accrue
and any such late payment interest charges shall become immediately due and payable in addition to the amount otherwise owed under this Agreement. The Parties shall cooperate to achieve an invoicing structure that minimizes taxes for both Parties,
including by implementing a local to local invoicing structure where applicable. 
 (b) Any objection to the amount of any invoice shall be
deemed to be a Dispute hereunder subject to the provisions applicable to Disputes set forth in Section 11.01. 
 SECTION 7.03. Books
and Records. DTE Energy shall, and shall cause the other members of the DTE Energy Group to, maintain complete and accurate books of account as necessary to support calculations of the Cost of Services for the Services rendered by it or the
other members of the DTE Energy Group and shall make such books available to DT Midstream, upon reasonable notice, during normal business hours; provided, however, that to the extent DTE Energy’s books, or the books of the other
members of the DTE Energy Group, contain Information relating to any other aspect of the DTE Energy Business, the Parties shall negotiate a procedure to provide DT Midstream with necessary access while preserving the confidentiality of such other
records. 
 SECTION 7.04. Withholding. Any and all payments made under this Agreement by the Receiver shall be made free and clear
of, and without deduction or withholding for or on account of, any taxes, except as required by applicable Law. To the extent any taxes are so deducted or withheld and paid over to the appropriate Governmental Authority, such taxes shall be treated
as having been paid to the Provider for purposes of this Agreement; provided, however, that the Receiver shall notify the Provider in writing of any anticipated withholding at least 15 business days prior to making any such deduction
or withholding and shall cooperate with the Provider in obtaining any available exemption from or reduction of such deduction or withholding. The Receiver shall promptly provide to the Provider tax receipts or other documents evidencing the payment
of any such deducted or withheld amount to the applicable Governmental Authority. The Parties shall use, and shall cause their respective Affiliates to use, commercially reasonable efforts to minimize Sales Taxes and taxes otherwise required to be
deducted or withheld by the Receiver hereunder. 
 SECTION 7.05. No Offset. No Receiver shall withhold any payments to the Provider
under this Agreement in order to offset payments due to such Receiver pursuant to this Agreement, the Separation Agreement, any other Ancillary Agreement or otherwise, unless such withholding is mutually agreed by the Parties or is provided for in
the final ruling of a court having jurisdiction pursuant to Section 11.06. Any required adjustment to payments due hereunder shall be made as a subsequent invoice. 

  
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 ARTICLE VIII 

Term 
 SECTION 8.01.
Commencement. This Agreement is effective as of the date hereof and shall remain in effect with respect to a particular Service or Function until the occurrence of the Applicable Termination Date applicable to such Service or Function (or,
subject to the terms of Section 8.02, the expiration of any Service Extension applicable to such Service or Function), unless earlier terminated (i) in its entirety or with respect to a particular Service or Function, in each case in
accordance with Section 8.03, or (ii) by mutual consent of the Parties. Notwithstanding anything to the contrary contained herein, if the Separation Agreement shall be terminated in accordance with its terms, this Agreement shall be
automatically terminated and void ab initio with no further action by the Parties and shall be of no force and effect. 
 SECTION 8.02.
Service Extension. If the Receiver reasonably determines that it will require a Service to continue beyond the Applicable Termination Date or the end of a subsequent extension period, the Receiver may request the Provider to extend the term
of such Service for the desired renewal period(s) (each, a “Service Extension”) by written notice to the Provider no less than 45 days prior to the end of the then-current Service term. The Provider shall respond in its sole
discretion to any such request for a Service Extension within 15 days of receipt of such request. The Parties shall amend the terms of Schedule A to reflect the new Service term and Cost of Services to the extent mutually agreed in writing,
following such agreement relating to a Service Extension, subject to the conditions set forth in this Section 8.02. Each such amended Schedule A, as agreed to in writing by the Parties, shall be deemed part of this Agreement as of the date of
such agreement. 
 SECTION 8.03. Termination. 

(a) If the Provider or Receiver materially breaches any of its respective obligations under this Agreement (and the period for resolution of
the Dispute relating to such breach set forth in Section 11.01 has expired), the non-breaching Provider or Receiver, as applicable, may terminate this Agreement with respect to the Service for which such
obligations are owed, effective upon not less than 30 days’ written notice of termination to the breaching Party, if the breaching Party does not cure such default within 30 days after receiving written notice thereof from the non-breaching Party. The termination of this Agreement with respect to any Service pursuant to this Section 8.03 shall not affect the Parties’ rights or obligations under this Agreement with respect to any
other Service. 
 (b) Except as otherwise provided by Law, either Party may terminate this Agreement upon written notice to the other Party
if the other Party makes a general assignment for the benefit of creditors or becomes insolvent, or a receiver is appointed for, or a court approves reorganization or arrangement proceedings on, such Party. 

  
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 (c) Except as otherwise provided in this Agreement or Schedule A, upon not less than 60
days’ prior written notice a Receiver shall be entitled to terminate one or more Services being provided by any Provider for any reason or no reason at all. 

SECTION 8.04. Effect of Termination. In the event of any termination of this Agreement in its entirety or with respect to any Service
or Function, each Provider and Receiver shall remain liable for all of their respective obligations that accrued hereunder prior to the date of such termination, including all obligations of each Receiver to pay any amounts due to any Provider
hereunder. 
 SECTION 8.05. Return of Books, Records and Files. Upon the request of the Receiver after the termination of a Service
with respect to which the Provider holds books, records or files, including current and archived copies of computer files, (i) owned solely by the Receiver or its Affiliates and used by the Provider in connection with the provision of a Service
pursuant to this Agreement or (ii) created by the Provider and in the Provider’s possession as a function of and relating solely to the provision of Services pursuant to this Agreement, such books, records and files shall either be
returned to the Receiver or deleted or destroyed by the Provider, other than such books, records and files electronically preserved or recorded within any computerized data storage device or component (including any hard drive or database) pursuant
to automatic or routine backup procedures generally accessible only by legal, IT or compliance personnel, which such books, records and files shall not be used by the Provider for any other purpose. Upon the request of the Receiver, the Provider
shall provide confirmation of such deletion or destruction, if any. The Receiver shall bear the Provider’s reasonable, necessary and actual out-of-pocket costs and
expenses associated with the return or destruction of such books, records or files. At its expense, the Provider may make one copy of such books, records or files for its legal files. 

ARTICLE IX 
 Indemnification;
Limitation on Liability 
 SECTION 9.01. Indemnification. DT Midstream, on behalf of each member of the DT Midstream Group in its
capacity as a Receiver, shall indemnify, defend and hold harmless DTE Energy and the other DTE Energy Indemnitees from and against any and all Liabilities incurred by such DTE Energy Indemnitee and arising out of, in connection with or by reason of
this Agreement or any Services provided by any member of the DTE Energy Group hereunder, except to the extent such Liabilities arise out of a DTE Energy Group member’s (i) breach of this Agreement, (ii) violation of any Laws in
providing any Services, (iii) violation of third-party rights (including such third-party rights embodied in patents, trademarks, copyrights and trade secrets) in providing any Services or (iv) gross negligence or willful misconduct in
providing any Services. 

  
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 SECTION 9.02. Limitation on Liability. 

(a) Neither DTE Energy, in its capacity as a Provider, nor any other member of the DTE Energy Group acting in the capacity of a Provider, nor
any Indemnitee thereof, shall be liable (whether such liability is direct or indirect, in contract or tort or otherwise) to DT Midstream (or any DT Midstream Indemnitee) for any Liabilities arising out of, related to or in connection with or by
reason of this Agreement or any Services provided hereunder, except to the extent that such Liabilities arise out of such DTE Energy Indemnitee’s (i) breach of this Agreement, (ii) violation of any Laws in providing the Services,
(iii) violation of third-party rights (including such third-party rights embodied in patents, trademarks, copyrights and trade secrets) in providing any Services or (iv) gross negligence or willful misconduct in providing any Services;
provided that nothing in this Section 9.02(a) shall be deemed to limit the rights of DT Midstream or any other member of the DT Midstream Group under Section 9.02(e), in its capacity as a Receiver, regarding Insurance Proceeds in
respect of Third-Party Claims. 
 (b) IN NO EVENT SHALL DTE ENERGY, IN ITS CAPACITY AS A PROVIDER, NOR ANY OTHER MEMBER OF THE DTE ENERGY
GROUP ACTING IN THE CAPACITY OF A PROVIDER, NOR ANY INDEMNITEE THEREOF, BE LIABLE, WHETHER IN CONTRACT, IN TORT (INCLUDING NEGLIGENCE AND STRICT LIABILITY) OR OTHERWISE TO DT MIDSTREAM (OR ANY DT MIDSTREAM INDEMNITEE) FOR ANY INDIRECT, SPECIAL,
CONSEQUENTIAL OR PUNITIVE DAMAGES (INCLUDING LOSS OF PROFITS) AS A RESULT OF ANY BREACH, PERFORMANCE OR NON-PERFORMANCE BY SUCH PROVIDER UNDER THIS AGREEMENT, EXCEPT AS MAY BE PAYABLE TO A CLAIMANT IN A
THIRD-PARTY CLAIM. 
 (c) THE TOTAL LIABILITY OF THE DTE ENERGY GROUP MEMBERS, IN THEIR CAPACITY AS PROVIDERS, TO THE DT MIDSTREAM GROUP
ARISING OUT OF, RELATED TO OR IN CONNECTION WITH OR BY REASON OF THIS AGREEMENT OR ANY SERVICES PROVIDED HEREUNDER FOR ANY CLAIM SHALL NOT EXCEED IN THE AGGREGATE AN AMOUNT EQUAL TO THE TOTAL AMOUNT PAID TO IT FOR SERVICES UNDER THIS AGREEMENT;
PROVIDED, HOWEVER, THAT, NOTWITHSTANDING THE FOREGOING, IN THE CASE OF ANY LIABILITY TO THE DT MIDSTREAM GROUP ARISING OUT OF A THIRD-PARTY CLAIM, THE TOTAL LIABILITY OF THE DTE ENERGY GROUP MEMBERS, IN THEIR CAPACITY AS PROVIDERS, TO
THE DT MIDSTREAM GROUP SHALL BE INCREASED BY AN AMOUNT EQUAL TO THE AMOUNT, IF ANY, OF ANY INSURANCE PROCEEDS THAT ARE ACTUALLY RECEIVED BY SUCH PROVIDER IN ACCORDANCE WITH SECTION 9.02(e). 

(d) DT Midstream understands and agrees that the Parties have allocated responsibilities and risks of loss and limited liabilities of the
Parties as stated in this Agreement based on the recognition that DTE Energy is not in the business of providing the Services to third parties. Such allocations and limitations are fundamental elements of the basis of the bargain between the Parties
and DTE Energy would not be able or willing to provide the Services without the protections provided by such allocations and limitations. DT Midstream acknowledges (on behalf of each member of the DT Midstream Group in its capacity as a Receiver,
and any Indemnitee thereof) that (i) neither DTE Energy nor the other members of the DTE Energy Group is a commercial provider of the 

  
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Services provided herein, (ii) DTE Energy is providing, or causing the other members of the DTE Energy Group to provide, the Services in connection with the
Spin-Off and (iii) this Agreement is not intended by the Parties to have DTE Energy or any other member of the DTE Energy Group manage and operate the DT Midstream Business, in lieu of DT Midstream or any
other DT Midstream Indemnitee. The Parties agree that the foregoing shall be taken into consideration in any claim made under this Agreement. 

(e) If the Provider, in its capacity as such, or any other Indemnitee thereof, shall be liable to DT Midstream for any Liability arising out
of a Third-Party Claim arising out of, related to or in connection with or by reason of this Agreement or any Services provided hereunder, such Provider, at the request of such Indemnitee, shall use commercially reasonable efforts to pursue and
recover any available Insurance Proceeds under applicable insurance policies. Promptly upon the actual receipt of any such Insurance Proceeds, such Provider shall pay such Insurance Proceeds to the applicable Indemnitee to the extent of the
Liability arising out of such Third-Party Claim. The Indemnitee shall, upon the request of such Provider and to the extent permitted under such Provider’s applicable insurance policies, promptly pay directly to such Provider or to such
Provider’s insurer any reasonable costs or expenses incurred in the collection of such Indemnitee’s portion of such Insurance Proceeds (including such Indemnitee’s portion of applicable retentions or deductibles); provided,
however, that in no event shall an Indemnitee’s portion of such collection costs and expenses, applicable retentions and deductibles exceed the amount of Insurance Proceeds actually received by such Indemnitee. 

ARTICLE X 
 Other Covenants

 SECTION 10.01. Attorney-in-Fact. On a case-by-case basis, the Receiver shall execute documents necessary to appoint the Provider as its
attorney-in-fact for the sole purpose of executing any and all documents and instruments reasonably required to be executed in connection with the performance by the
Provider of any Service under this Agreement. 
 ARTICLE XI 

Miscellaneous 
 SECTION
11.01. Disputes. Except as otherwise provided in this Agreement, the Parties shall resolve all disputes arising under or in connection with this Agreement (each, a “Dispute”) in accordance with the following procedures
(including, for the avoidance of doubt, any Dispute relating to payments with respect to the Services). All Disputes shall be first considered in person, by teleconference or by video conference within five business days after receipt of notice from
either Party specifying the nature of the Dispute (a “Dispute Notice”) by the Service Managers and, if such Dispute concerns a particular Service or Function, the Contacts whose names are set forth on Schedule A opposite such
Service or Function. If any Dispute is not resolved by the Service Managers, 

  
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and such Contacts, if any, within 10 business days after receipt of a Dispute Notice, then, upon the written request of either Party, each Party shall designate a representative who does not
spend a substantial portion of his or her time on activities relating to this Agreement to meet in person, by teleconference or by video conference with the other Party’s designated representative for the purpose of resolving the Dispute. The
designated representatives shall negotiate in good faith to resolve the Dispute. If they do not resolve the Dispute within 10 business days after the date the Dispute was referred to them, the Parties may pursue any other rights, remedies or actions
that may be available to them under this Agreement or at Law. 
 SECTION 11.02. Separation Agreement. The Parties agree that, in the
event of a conflict between the terms of this Agreement and the Separation Agreement with respect to the subject matter hereof, the terms of this Agreement shall govern. 

SECTION 11.03. Relationship of Parties. Nothing in this Agreement shall be deemed or construed by the Parties or any third party as
creating a relationship of principal and agent, partnership or joint venture between the Parties, between Providers and Receiver or with any individual providing Services, it being understood and agreed that no provision contained herein, and no act
of any Party or members of their respective Groups, shall be deemed to create any relationship between the Parties or members of their respective Groups other than the relationship set forth herein. Each Party and each Provider shall act under this
Agreement solely as an independent contractor and not as an agent or employee of any other Party or any of such Party’s Affiliates. 

SECTION 11.04. Confidentiality. Each Party hereby acknowledges that confidential Information of such Party or members of its Group may
be exposed to employees and agents of the other Party or its Group as a result of the activities contemplated by this Agreement. Each Party agrees, on behalf of itself and its Affiliates, that such Party’s obligation (and the obligation of
members of its Group) to use and keep confidential such Information of the other Party or its Group shall be governed by Sections 7.01(c) and 7.09 of the Separation Agreement. 

SECTION 11.05. Counterparts; Entire Agreement. 

(a) This Agreement may be executed in one or more counterparts, all of which counterparts shall be considered one and the same agreement, and
shall become effective when one or more counterparts have been signed by each Party and delivered to the other Party. This Agreement may be executed by electronic or PDF signature and scanned and exchanged by electronic mail, and such electronic or
PDF signature shall constitute an original for all purposes. 
 (b) This Agreement, the Separation Agreement, the other Ancillary Agreements
and any Appendices, Exhibits and Schedules hereto and thereto contain the entire agreement between the Parties with respect to the subject matter hereof and supersede all previous agreements, negotiations, discussions, writings, understandings,
commitments and conversations with respect to such subject matter, and there are no agreements or understandings between the Parties with respect to the subject matter hereof other than those set forth or referred to herein or therein. 

  
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 SECTION 11.06. Governing Law; Jurisdiction. This Agreement shall be governed by, and
construed in accordance with, the Laws of the State of Delaware, regardless of the Laws that might otherwise govern under applicable principles of conflicts of laws thereof. Each Party irrevocably consents to the exclusive jurisdiction, forum and
venue of Delaware Court of Chancery (and if the Delaware Court of Chancery shall be unavailable, any Delaware State court or the federal court sitting in the State of Delaware) over any and all claims, disputes, controversies or disagreements
between the Parties or any of their respective Affiliates, successors and assigns under or related to this Agreement or any document executed pursuant to this Agreement or any of the transactions contemplated hereby or thereby, including their
execution, performance or enforcement, whether in contract, tort or otherwise. Each of the Parties hereby agrees that it shall not assert, and shall hereby waive, any claim or right or defense that it is not subject to the jurisdiction of such
courts, that the venue is improper, that the forum is inconvenient or any similar objection, claim or argument. Each Party agrees that a final judgment in any legal proceeding resolved in accordance with this Section 11.06 be conclusive and may
be enforced in other jurisdictions by suit on the judgment or in any other manner provided by applicable Law. EACH OF THE PARTIES HERETO HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT IT MAY HAVE TO TRIAL BY JURY IN CONNECTION WITH ANY
LITIGATION ARISING OUT OF OR RELATING IN ANY WAY TO THIS AGREEMENT OR ANY SERVICES PROVIDED HEREUNDER. 
 SECTION 11.07.
Assignability. Neither this Agreement nor any of the rights, interests or obligations under this Agreement shall be assigned, in whole or in part, by operation of Law or otherwise by either Party without the prior written consent of the other
Party. Any purported assignment without such consent shall be void. Subject to the preceding sentences, this Agreement shall be binding upon, inure to the benefit of, and be enforceable by, the Parties and their respective successors and permitted
assigns. Notwithstanding the foregoing, DTE Energy may assign this Agreement without consent in connection with (i) a merger transaction in which such Party is not the surviving entity and the surviving entity acquires or assumes all or
substantially all of such Party’s assets or (ii) the sale of all or substantially all of such Party’s assets; provided, however, that the assignee expressly assumes in writing all of the obligations of the assigning
Party under this Agreement, and the assigning Party provides written notice and evidence of such assignment and assumption to the non-assigning Party as promptly as practicable following the assignment.
Nothing in this Section 11.07 shall affect or impair a Provider’s ability to delegate any or all of its obligations under this Agreement to one or more Affiliates or Sub-Contractors pursuant to
Section 2.03(b). 
 SECTION 11.08. Third-Party Beneficiaries. Except for the
indemnification rights under this Agreement of any DTE Energy Indemnitee in its capacity as such, (i) the provisions of this Agreement are solely for the benefit of the Parties and are not intended to confer upon any Person except the Parties
any rights or remedies hereunder and (ii) there are no third-party beneficiaries of this Agreement and this Agreement shall not provide any third-party Person with any remedy, claim, liability,
reimbursement, cause of action or other right in excess of those existing without reference to this Agreement. 

  
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 SECTION 11.09. Notices. All notices or other communications under this Agreement shall
be in writing and shall be provided in the manner set forth in the Separation Agreement. 
 SECTION 11.10. Survival. Notwithstanding
anything to the contrary contained herein, Article VII, Article VIII, Article IX and Article XI of this Agreement shall survive the termination of this Agreement. 

SECTION 11.11. Severability. If any provision of this Agreement or the application thereof to any Person or circumstance is determined
by a court of competent jurisdiction to be invalid, void or unenforceable, the remaining provisions hereof, or the application of such provision to Persons or circumstances or in jurisdictions other than those as to which it has been held invalid or
unenforceable, shall remain in full force and effect and shall in no way be affected, impaired or invalidated thereby, so long as the economic or legal substance of the transactions contemplated hereby is not affected in any manner materially
adverse to either Party. Upon any such determination, any such provision, to the extent determined to be invalid, void or unenforceable, shall be deemed replaced by a provision that such court determines is valid and enforceable and that comes
closest to expressing the intention of the invalid, void or unenforceable provision. 
 SECTION 11.12. Headings. The article, section
and paragraph headings contained in this Agreement, including in the table of contents of this Agreement, are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement. 

SECTION 11.13. Waivers of Default. No failure or delay of any Party (or the applicable member of its Group) in exercising any right or
remedy under this Agreement shall operate as a waiver thereof, nor shall any single or partial exercise of any such right or power, or any abandonment or discontinuance of steps to enforce such right or power, or any course of conduct, preclude any
other or further exercise thereof or the exercise of any other right or power. Waiver by any Party of any default by the other Party of any provision of this Agreement shall not be deemed a waiver by the waiving Party of any subsequent or other
default. 
 SECTION 11.14. Amendments. No provisions of this Agreement shall be deemed waived, amended, supplemented or modified by
any Party, unless such waiver, amendment, supplement or modification is in writing and signed by the authorized representative of each Party. 

SECTION 11.15. Interpretation. The rules of interpretation set forth in Section 11.15 of the Separation Agreement are incorporated
by reference into this Agreement, mutatis mutandis. 
 [Signature Page Follows] 

  
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 IN WITNESS WHEREOF, the Parties have executed this Agreement as of the date first written
above. 
  

					
	 DTE ENERGY COMPANY

			
		 	by	 	
		 		 	 
		 		 	Name:
		 		 	Title:
			
		 		 	 

  

					
	 DT MIDSTREAM, INC. 

			
		 	by	 	
		 		 	 
		 		 	Name:
		 		 	Title:EX-10.2

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 Exhibit 10.2 

TAX MATTERS AGREEMENT 
 by and
between 
 DTE ENERGY COMPANY 

and 
 DT MIDSTREAM, INC. 

Dated as of [                ], 2021 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 TABLE OF CONTENTS 
  

							
	 	 	 	  	Page	 
	
	 ARTICLE I
	 
	
	 Definitions
	 
			
	 SECTION 1.01.
	 	 Definition of Terms
................................................................................................................................

	  	 	1	 
	
	 ARTICLE II
	 
	
	 Allocation of Tax Liabilities and Tax Benefits
	 
			
	 SECTION 2.01.
	 	 DTE Indemnification of Spinco
...................................................................................................................
	  	 	6	 
	 SECTION 2.02.
	 	 Spinco Indemnification of DTE
..................................................................................................................
	  	 	6	 
	 SECTION 2.03.
	 	 Refunds, Credits and Offsets
.....................................................................................................................
	  	 	7	 
	 SECTION 2.04.
	 	 Carrybacks
............................................................................................................................................

	  	 	7	 
	 SECTION 2.05.
	 	 Straddle Periods
.....................................................................................................................................

	  	 	8	 
	 SECTION 2.06.
	 	 Apportioned Tax Attributes
.......................................................................................................................
	  	 	8	 
	
	 ARTICLE III
	 
	
	 Tax Returns, Tax Contests and Other Administrative Matters
	 
			
	 SECTION 3.01.
	 	 Responsibility for Preparing Tax Returns
.......................................................................................................
	  	 	9	 
	 SECTION 3.02.
	 	 Filing of Tax Returns and Payment of Taxes
..................................................................................................
	  	 	9	 
	 SECTION 3.03.
	 	 Tax Contests
........................................................................................................................................

	  	 	10	 
	 SECTION 3.04.
	 	 Expenses
.............................................................................................................................................

	  	 	11	 
	 SECTION 3.05.
	 	 Joint Venture Taxes
...................................................................................................................................
	  	 	11	 
	
	 ARTICLE IV
	 
	
	 Tax Matters Relating to the Transactions
	 
			
	 SECTION 4.01.
	 	 Mutual Representations
...........................................................................................................................
	  	 	11	 
	 SECTION 4.02.
	 	 Mutual Covenants
.................................................................................................................................

	  	 	12	 
	 SECTION 4.03.
	 	 Restricted Actions
.................................................................................................................................

	  	 	12	 
	 SECTION 4.04.
	 	 Consent to Take Certain Restricted Actions
...................................................................................................
	  	 	14	 
	 SECTION 4.05.
	 	 Procedures Regarding Opinions and Rulings
..................................................................................................
	  	 	14	 
	 SECTION 4.06.
	 	 Notification and Certification Regarding Certain Acquisition Transactions
..............................................................
	  	 	15	 
	 SECTION 4.07.
	 	 Reporting
.............................................................................................................................................

	  	 	15	 
	 SECTION 4.08.
	 	 Tax Treatment of Certain Amounts Paid Pursuant to the EMA
................................................................................
	  	 	16	 
	 SECTION 4.09.
	 	 Protective Section 336(e) Election
.................................................................................................................
	  	 	16	 
	 SECTION 4.10.
	 	 Actions after the Distribution on the Distribution Date
.......................................................................................
	  	 	16	 
	 SECTION 4.11.
	 	 Actions after the Distribution Date for Remainder of Calendar Year
.......................................................................
	  	 	16	 
	 SECTION 4.12.
	 	 Termination of Tax Sharing Agreements
.......................................................................................................
	  	 	17	 

  
 i 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

							
	
	 ARTICLE V
	 
	
	 Procedural Matters
	 
			
	 SECTION 5.01.
	 	 Cooperation
.........................................................................................................................................

	  	 	17	 
	 SECTION 5.02.
	 	 Interest
.................................................................................................................................................

	  	 	18	 
	 SECTION 5.03.
	 	 Indemnification Claims and Payments
...........................................................................................................
	  	 	18	 
	 SECTION 5.04.
	 	 Amount of Indemnity Payments
...................................................................................................................
	  	 	18	 
	 SECTION 5.05.
	 	 Treatment of Indemnity Payments
................................................................................................................
	  	 	18	 
	 SECTION 5.06.
	 	 Tax Disputes
.........................................................................................................................................

	  	 	19	 
	
	 ARTICLE VI
	 
	
	 Miscellaneous
	 
			
	 SECTION 6.01.
	 	 Termination
..........................................................................................................................................

	  	 	19	 
	 SECTION 6.02.
	 	 Applicability
.........................................................................................................................................

	  	 	19	 
	 SECTION 6.03.
	 	 Survival
...............................................................................................................................................

	  	 	19	 
	 SECTION 6.04.
	 	 Separation Agreement
...............................................................................................................................

	  	 	19	 
	 SECTION 6.05.
	 	 Confidentiality
......................................................................................................................................

	  	 	19	 
	 SECTION 6.06.
	 	 Counterparts; Entire Agreement
..........................................................................................................................
	  	 	20	 
	 SECTION 6.07.
	 	 Governing Law; Jurisdiction
...............................................................................................................................
	  	 	20	 
	 SECTION 6.08.
	 	 Waiver of Jury Trial
.................................................................................................................................

	  	 	20	 
	 SECTION 6.09.
	 	 Assignability
.............................................................................................................................................

	  	 	21	 
	 SECTION 6.10.
	 	 Third-Party Beneficiaries
.............................................................................................................................
	  	 	21	 
	 SECTION 6.11.
	 	 Notices
....................................................................................................................................................

	  	 	21	 
	 SECTION 6.12.
	 	 Severability
.............................................................................................................................................

	  	 	22	 
	 SECTION 6.13.
	 	 Headings
.................................................................................................................................................

	  	 	22	 
	 SECTION 6.14.
	 	 Waivers of Default
..................................................................................................................................

	  	 	22	 
	 SECTION 6.15.
	 	 Specific Performance
..................................................................................................................................

	  	 	23	 
	 SECTION 6.16.
	 	 Amendments
..........................................................................................................................................

	  	 	23	 
	 SECTION 6.17.
	 	 Interpretation
............................................................................................................................................

	  	 	23	 
	 SECTION 6.18.
	 	 Compliance by Subsidiaries
........................................................................................................................
	  	 	23	 

  

							
	 Appendix A
	 	 -    Intended Tax Treatment
	  			
			
	 Appendix B
	 	 -    Specified Dispute
	  			

  
 ii 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 TAX MATTERS AGREEMENT (this “Agreement”), dated as of
[                ], by and between DTE ENERGY COMPANY, a Michigan corporation (“DTE”) and DT Midstream, Inc., a Delaware corporation
(“Spinco” and, together with DTE, the “Parties”). 

W I T N E S S E T H: 

WHEREAS Spinco is an indirect wholly-owned subsidiary of DTE and a member of the affiliated group of which DTE is the common parent; 

WHEREAS, pursuant to the Separation Agreement, DTE and Spinco have effected or agreed to effect the Conversion, the Intercompany Debt
Refinancing, the Borrowing, the Spinco Note Repayment, the Cash Distribution, the Louisiana Midstream Contribution, the Internal Distribution, the Contributions, the Recapitalization and the External Distribution (together, the
“Transactions”); and 
 WHEREAS the Parties intend that each of the applicable Transactions qualify for its Intended Tax
Treatment; 
 NOW, THEREFORE, in consideration of the mutual covenants and agreements contained herein, the Parties hereby agree as follows:

 ARTICLE I 
 Definitions

 SECTION 1.01. Definition of Terms. The following terms shall have the following meanings. Capitalized terms used but not
defined in this Agreement shall have the meanings ascribed to them in the Separation Agreement. 
 “10% Acquisition
Transaction” has the meaning set forth in Section 4.06. 
 “Accounting Firm” has the meaning set forth in
Section 3.01(c). 
 “Active Trade or Business” means the active conduct (determined in accordance with
Section 355(b) of the Code) of the trade or business described in the Tax Opinion Representations for purposes of satisfying the requirements of Section 355(b) of the Code as it applies to each of the Distributions with respect to Spinco.

 “Adjustment Request” means any formal or informal claim or request made or filed with any Taxing Authority for the
adjustment, refund, credit or offset of Taxes, including any amended Tax Return claiming adjustment to the Taxes as reported on that Tax Return or, if applicable, to such Taxes as previously adjusted. 

“Agreement” has the meaning set forth in the preamble. 

  
 1 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Apportioned Tax Attributes” means Tax Attributes that are subject to
allocation or apportionment between one Person and another Person under applicable Law or by reason of the Transactions. 

“Code” means the Internal Revenue Code of 1986, as amended. 

“Determination” means (i) any final determination of liability in respect of a Tax that, under applicable Law, is not
subject to further appeal, review or modification through proceedings or otherwise (including the expiration of a statute of limitations or period for the filing of claims for refunds, amended Tax Returns or appeals from adverse determinations),
including a “determination” as defined in Section 1313(a) of the Code or execution of an IRS Form 870AD, or (ii) the payment of Tax by a Party (or its Subsidiary) that is responsible for payment of that Tax under applicable Law,
with respect to any item disallowed or adjusted by a Taxing Authority, as long as the responsible Party determines that no action should be taken to recoup that payment and the other Party agrees. 

“Distributions” means the Internal Distribution and the External Distribution. 

“DTE” has the meaning set forth in the preamble. 

“DTE Consolidated Group” means any consolidated, combined, unitary or similar group of which (i) any member of the DTE
Tax Group is or was a member and (ii) any member of the Spinco Tax Group is or was a member. 
 “DTE Consolidated Tax
Return” means any Tax Return with respect to a DTE Consolidated Group. 
 “DTE Joint Venture Entity” means any
Person in which a member of the DTE Tax Group owns 50% or less of the outstanding equity interests. 
 “DTE Joint Venture
Taxes” means any Taxes of any DTE Joint Venture Entity for which a member of the Spinco Tax Group may be liable directly or through any reimbursement or contribution obligation. 

“DTE Tax Group” means any group comprised of DTE and any Subsidiary of DTE, excluding each member of the Spinco Tax Group.

 “Indemnifying Party” means a Party that has an obligation to make an Indemnity Payment.

“Indemnitee” means a Party that is entitled to receive an Indemnity Payment. 

“Indemnity Payment” means an indemnity payment contemplated by this Agreement, the EMA or the Separation Agreement. 

  
 2 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Intended Tax Treatment” means, with respect to each of the applicable
Transactions, the U.S. Federal income Tax consequences (if any) set forth for such Transaction in Appendix A. 
 “IRS”
means the U.S. Internal Revenue Service. 
 “Legal Comfort” has the meaning set forth in Section 4.04(b). 

“Non-US Spinco Member” means (i) any member of the Spinco Tax Group other than a
member that is incorporated, organized or otherwise formed under the laws of the United States or any state thereof or the District of Columbia and (ii) any member of the Spinco Tax Group formed under the laws of the United States or any state
thereof or the District of Columbia that is owned, in whole or in part, directly or indirectly, by any member of the Spinco Tax Group described in clause (i). 

“Ordinary Course of Business” means, with respect to an action taken (or to be taken) by a Person, that the action is taken
in the ordinary course of the normal day-to-day operations of that Person. 

“Ordinary Taxes” means Taxes other than (i) Transaction Taxes and (ii) Transfer Taxes. 

“Parties” has the meaning set forth in the preamble. 

“Post-Distribution Tax Period” means any taxable period (or portion thereof) that begins on or after the Distribution Date.

 “Pre-Distribution Tax Period” means any taxable period (or portion thereof) that
ends on or before the Distribution Date. 
 “Proposed Acquisition Transaction” has the meaning set forth in
Section 4.03(b). 
 “Protective Section 336(e) Election” means, with respect to an entity, a
protective election under Section 336(e) of the Code and Section 1.336-2(j) of the Regulations (and any similar provision of U.S. state or local Law for such jurisdictions as DTE shall determine at
its sole discretion) to treat the disposition of the stock of such entity, pursuant to the Distributions, as a deemed sale of the assets of such entity in accordance with Section 1.336-2(h) of the
Regulations (or any similar provision of U.S. state or local Law). 
 “Records” has the meaning set forth in
Section 5.01. 
 “Refund Recipient” has the meaning set forth in Section 2.03. 

“Regulations” means the Treasury regulations promulgated under the Code. 

  
 3 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Restricted Period” has the meaning set forth in Section 4.03(a). 

“Ruling” means a private letter ruling (including any supplemental ruling) issued by the IRS, whether granted prior to, on or
after the date hereof. 
 “Separation Agreement” means the Separation and Distribution Agreement dated as of the date of
this Agreement by and between DTE and Spinco, including the Schedules thereto. 
 “Significant
Non-U.S. Shareholder” means a person (other than a “United States person” within the meaning of Section 7701(a)(30) of the Code) that owns more than 5 percent of DTE common stock
(directly or under the applicable attribution rules provided in Section 897(c)(6)(C) of the Code and Section 1.897-1(c)(2)(iii) of the Treasury Regulations). 

“Specified Dispute” has the meaning set forth in Section 5.06. 

“Spinco” has the meaning set forth in the preamble. 

“Spinco Joint Venture Entity” means any Person in which a member of the Spinco Tax Group owns 50% or less of the outstanding
equity interests. 
 “Spinco Joint Venture Taxes” means any Taxes of any Spinco Joint Venture Entity for which a member of
the Spinco Tax Group may be liable directly or through any reimbursement or contribution obligation. 
 “Spinco SAG” has
the meaning set forth in Section 4.03(a)(v). 
 “Spinco Separate Tax Return” means any Tax Return that
(a) includes any member of the Spinco Tax Group and (b) does not include any member of the DTE Tax Group. 
 “Spinco
Stock” means (i) all classes or series of stock or other equity interests of Spinco and (ii) all other instruments properly treated as stock of Spinco for U.S. Federal income Tax purposes. 

“Spinco Tax Group” means any group comprised of Spinco and any Subsidiary of Spinco. 

“Straddle Period” has the meaning set forth in Section 2.05(b). 

“Subsidiary” means, with respect to any Person, a corporation, partnership, association, limited liability company, trust or
other form of legal entity in which such Person and/or one or more Subsidiaries of such Person has either (i) a majority ownership in the equity thereof; (ii) the power to elect, or to direct the election of, a majority of the board of
directors or other analogous governing body of such entity; or (iii) the title or function of general partner or manager, or the right to designate the Person having such title or function. 

  
 4 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Tax Advisor” means a U.S. Tax counsel or accountant of recognized national
standing. 
 “Tax Attribute” means any carryovers or carrybacks of net operating losses, net capital losses, excess tax
credits and any other similar tax attributes as determined for Federal, state, local or foreign Tax purposes. For the avoidance of doubt, the existence or amount of basis and computations of previously taxed income and earnings and profits are not
Tax Attributes. 
 “Tax Contest” means an audit, review, examination or other administrative or judicial proceeding, in
each case by any Taxing Authority. 
 “Tax Dispute” has the meaning set forth in Section 5.06. 

“Tax Opinion Representations” means representations regarding certain facts in existence at the applicable time made by DTE
and Spinco that serve as a basis for the Tax Opinion. 
 “Tax Opinion” means the written opinion of Cravath,
Swaine & Moore LLP issued to DTE to the effect that each of the applicable Transactions should qualify for its Intended Tax Treatment. 

“Tax Return” means any return, declaration, statement, report, form, estimate or information return relating to Taxes, in
each case, including any amendments thereto and any related or supporting information, required or permitted to be filed with any Taxing Authority. 

“Tax Return Preparer” has the meaning set forth in Section 3.01(a). 

“Taxes” means all forms of taxation or duties imposed by any Governmental Authority, or required by any Governmental
Authority to be collected or withheld, including charges, in each case, in the nature of a tax, together with any related interest, penalties and other additional amounts. 

“Taxing Authority” means any Governmental Authority charged with the determination, collection or imposition of Taxes. 

“Transaction Taxes” means all (i) Taxes imposed on DTE, Spinco or any of their respective Subsidiaries resulting from
the failure of any step of the Transactions to qualify for its Intended Tax Treatment, (ii) Taxes imposed on any third party resulting from the failure of any step of the Transactions to qualify for its Intended Tax Treatment for which DTE,
Spinco or any of their respective Subsidiaries is or becomes liable for any reason and (iii) reasonable, out-of-pocket legal, accounting and other advisory or court
fees incurred in connection with liability for Taxes described in clause (i) or (ii). 
 “Transaction Tax Contest”
means a Tax Contest with the purpose or effect of determining or redetermining Transaction Taxes. 

  
 5 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 “Transactions” has the meaning set forth in the recitals. 

“Transfer Taxes” means all transfer, sales, use, excise, stock, stamp, stamp duty, stamp duty reserve, stamp duty land,
documentary, filing, recording, registration, value-added and other similar Taxes. 
 “Unqualified Tax Opinion” has the
meaning set forth in Section 4.04(c). 
 “USRPHC” means a “United States real property holding corporation”
within the meaning of Section 897(c)(2) of the Code. 
 ARTICLE II 

Allocation of Tax Liabilities and Tax Benefits 

SECTION 2.01. DTE Indemnification of Spinco. After the External Distribution, DTE shall be liable for, and shall indemnify and hold
Spinco harmless from, the following Taxes, whether incurred directly by Spinco or indirectly through one of its Subsidiaries: 
 (a) For any
taxable period, Ordinary Taxes of any member of the DTE Tax Group or a DTE Consolidated Group and Ordinary Taxes reflected on all DTE Consolidated Tax Returns; and 

(b) Transaction Taxes; 
 in each case, other
than Taxes for which Spinco is liable under Section 2.02. 
 SECTION 2.02. Spinco Indemnification of DTE. After the External
Distribution, Spinco shall be liable for, and shall indemnify and hold DTE harmless from, the following Taxes, whether incurred directly by DTE or indirectly through one of its Subsidiaries: 

(a) For any taxable period, Ordinary Taxes of any member of a Spinco Tax Group and Ordinary Taxes reflected on all Spinco Separate Tax
Returns; and 
 (b) Transaction Taxes attributable to: 

(i) the failure to be true when made or deemed made of (A) any Tax Opinion Representation made by Spinco or (B) any
representation made by Spinco, any Subsidiary or controlling shareholder of Spinco, any counterparty to any Proposed Acquisition Transaction or any of such counterparty’s Affiliates for purposes of obtaining a Ruling or an Unqualified Tax
Opinion intended to be Legal Comfort; 
 (ii) any action or omission by Spinco or any Subsidiary of Spinco in breach of the
covenants set forth herein (including those in Section 4.03, without regard to Section 4.04), in any other Ancillary Agreement or in the Separation Agreement; 

  
 6 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 (iii) the application of Section 355(e) or 355(f) of the Code to any of
the Transactions by virtue of any acquisition (or deemed acquisition) of Spinco Stock (including newly issued Spinco Stock) or assets of Spinco or any Subsidiary of Spinco; 

(iv) a determination that either of the Distributions was used principally as a device for the distribution of the earnings and
profits within the meaning of Section 355(a)(1)(B) of the Code if such determination was based in whole or in part on any sale or exchange of Spinco Stock or on any distribution on Spinco Stock occurring after the External Distribution; or 

(v) any other action or omission taken after the External Distribution by Spinco or any Subsidiary of Spinco, except to the
extent such action or omission is otherwise expressly required or permitted by this Agreement (other than under Section 4.04), any other Ancillary Agreement or the Separation Agreement; and 

(c) Any and all Transfer Taxes incurred by the DTE Tax Group or the Spinco Tax Group as a result of the Transactions. 

SECTION 2.03. Refunds, Credits and Offsets. Subject to Section 2.04, if DTE, Spinco or any of their respective Subsidiaries
receives any refund of any Taxes for which the other Party is liable under Sections 2.01 and 2.02 (a “Refund Recipient”), such Refund Recipient shall pay to the other Party the entire amount of the refund (including interest, but
net of any Taxes imposed with respect to such refund) within 10 business days of receipt or accrual; provided, however, that the other Party, upon the request of such Refund Recipient, shall repay the amount paid to the other Party
(plus any penalties, interest or other charges imposed by the relevant Taxing Authority) in the event such Refund Recipient is required to repay such refund to the relevant Taxing Authority. In the event a Party would be a Refund Recipient but for
the fact it applied a refund to which it would otherwise have been entitled against a Tax liability arising in a subsequent taxable period, then such Party shall be treated as a Refund Recipient and the economic benefit of so applying the refund
shall be treated as a refund for purposes of this Section 2.03, and shall be paid within 10 business days of the due date of the Tax Return to which such refund is applied to reduce the subsequent Tax liability. 

SECTION 2.04. Carrybacks. If a Tax Return of Spinco or any of its Subsidiaries for any taxable period ending after the Distribution
Date reflects any Tax Attribute, then Spinco or its applicable Subsidiary shall (a) waive the right to carry back any such Tax Attribute to a Pre-Distribution Tax Period and (b) not make any
affirmative election to carry back any such Tax Attribute to a Pre-Distribution Tax Period, in each case, to the extent permissible under applicable Law. In the event that Spinco or any of its Subsidiaries
does carry back a Tax Attribute to a Pre-Distribution Tax Period, then (i) no payment with respect to such carryback shall be due to Spinco or any of its Subsidiaries from DTE and (ii) if Spinco or
any of its Subsidiaries receives any refund, credit or offset of any Taxes in connection with such carryback, Spinco shall promptly pay to DTE the full amount of such refund or the economic benefit of the credit or offset (including interest, but
net of any Taxes imposed with respect to such refund). This Section 2.04 shall not apply to any Tax Attributes reflected on any Spinco Separate Tax Return. 

  
 7 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 SECTION 2.05. Straddle Periods. (a) DTE and Spinco shall take all commercially
reasonable actions necessary or appropriate to close the taxable year of each member of the Spinco Tax Group for all Tax purposes as of the end of the Distribution Date to the extent permitted by applicable Law. 

(b) For any taxable period that includes (but does not end on) the Distribution Date (a “Straddle Period”), Taxes for the Pre-Distribution Tax Period shall be computed (i) in the case of Taxes imposed on a periodic basis (such as real, personal and intangible property Taxes), on a daily pro rata basis and (ii) in the
case of other Taxes, as if the taxable period ended as of the close of business on the Distribution Date, and in the case of any such other Taxes that are attributable to the ownership of any equity interest in a partnership, other
“flowthrough” entity or “controlled foreign corporation” (within the meaning of Section 957(a) of the Code or any comparable U.S. state or local or foreign Law), as if the taxable period of that entity ended as of the close
of business on the Distribution Date (whether or not such Taxes arise in a Straddle Period of the applicable owner). 
 (c) For all purposes
under this Agreement, DTE and Spinco hereby agree that any transaction with respect to Spinco or the Spinco Tax Group occurring on the Distribution Date but after the effective time of the External Distribution (other than any transaction occurring
in the Ordinary Course of Business of Spinco or the Spinco Tax Group) shall be treated for all Tax purposes (to the extent permitted by applicable Tax Law, including Section 1.1502-76(b) of the
Regulations) as occurring at the beginning of the day following the Distribution Date. 
 SECTION 2.06. Apportioned Tax Attributes.
Spinco may request that DTE undertake a determination of the portion, if any, of any Apportioned Tax Attribute to be allocated or apportioned to the Spinco Tax Group (or any member thereof) under applicable Law. If DTE undertakes such a
determination, whether or not at the request of Spinco, DTE shall in good faith advise Spinco in writing of the amount, if any, of any Apportioned Tax Attributes which DTE determines shall be allocated or apportioned to the Spinco Tax Group (or any
member thereof) under applicable Law; provided that this Section 2.06 shall not be construed as obligating DTE to undertake any such determination as to the amount, allocation or apportionment of any Apportioned Tax Attribute. Spinco agrees
that it shall accept DTE’s allocation or apportionment of Apportioned Tax Attributes, and Spinco and all members of the Spinco Group shall prepare all Tax Returns in accordance therewith, unless such allocation or apportionment is manifestly
unreasonable or manifestly erroneous. Spinco shall reimburse DTE for all reasonable third-party costs and expenses incurred by DTE or any of its Subsidiaries in connection with such determination requested by Spinco within ten (10) Business
Days after receiving an invoice from DTE therefor. 

  
 8 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 ARTICLE III 

Tax Returns, Tax Contests and Other Administrative Matters 

SECTION 3.01. Responsibility for Preparing Tax Returns. (a) Spinco shall timely prepare or cause to be timely prepared any Spinco
Separate Tax Returns that are required or permitted to be filed for any taxable period beginning before the Distribution Date. Except for any Tax Returns to be prepared by Spinco pursuant to the immediately preceding sentence, DTE shall timely
prepare or cause to be timely prepared any Tax Returns of the DTE Tax Group and the DTE Consolidated Group that are required or permitted to be filed for any taxable period beginning before the Distribution Date. The Party responsible for preparing
any Tax Returns pursuant to this Section 3.01(a) shall be referred to herein as the “Tax Return Preparer”. If a Party other than the Tax Return Preparer is responsible for filing any such Tax Return under Section 3.02(a),
the Tax Return Preparer shall, subject to Section 3.01(c), promptly deliver such prepared Tax Return to the other Party reasonably in advance of the applicable filing deadline. 

(b) To the extent that any Tax Return described in Section 3.01(a) is required to be filed by a Party other than the Tax Return Preparer
or directly relates to matters for which another Party may have an indemnification obligation to the Tax Return Preparer or that may give rise to a refund to which that other Party would be entitled, under this Agreement, the Tax Return Preparer
shall (i) prepare the relevant portions of the Tax Return on a basis consistent with past practice, except (A) as required by applicable Law or to correct any clear error, (B) as a result of changes or elections made on any DTE
Consolidated Tax Return that do not relate primarily to the Spinco Tax Group or (C) as mutually agreed by the Parties; (ii) notify the other Party of any such portions not prepared on a basis consistent with past practice;
(iii) provide the other Party a reasonable opportunity to review the relevant portions of the Tax Return; and (iv) consider in good faith any reasonable comments made by the other Party. 

(c) The Parties shall attempt in good faith to resolve any issues arising out of the review of any such Tax Return as soon as practically
possible. If the Parties are unable to resolve their differences, then the Parties shall collectively select an independent accounting firm (the “Accounting Firm”) and shall instruct the Accounting Firm to use its best efforts to
prepare the relevant portions of the Tax Return on behalf of the Tax Return Preparer in compliance with Section 3.01(b) as promptly as practically possible. All determinations of the Accounting Firm relating to the disputed items, absent fraud,
shall be final and binding on the Parties. The fees and expenses of the Accounting Firm shall be borne by Spinco. 
 SECTION 3.02. Filing
of Tax Returns and Payment of Taxes. (a) Each Party shall execute and timely file each Tax Return that it is responsible for filing under applicable Law and shall timely pay to the relevant Taxing Authority any amount shown as due on each
such Tax Return. The obligation to make payments pursuant to this Section 3.02(a) shall not affect a Party’s right, if any, to receive payments under Section 3.02(b) or otherwise be indemnified under this Agreement. 

  
 9 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 (b) In addition to its obligations under Section 3.01(b), the Tax Return Preparer shall,
no later than 5 business days before the due date (including extensions) of any Tax Return described in Section 3.01(a), notify the other Party of any amount (or any portion of any such amount) shown as due on that Tax Return for which the
other Party must indemnify the Tax Return Preparer under this Agreement. The other Party shall pay such amount to the Tax Return Preparer no later than the due date (including extensions) of the relevant Tax Return. A failure by an Indemnitee to
give notice as provided in this Section 3.02(b) shall not relieve the Indemnifying Party’s indemnification obligations under this Agreement, except to the extent that the Indemnifying Party shall have been actually prejudiced by such
failure. 
 (c) Neither Spinco nor any of its Subsidiaries shall file, amend, withdraw, revoke or otherwise alter any DTE Consolidated Tax
Return. 
 (d) Neither Spinco nor any of its Subsidiaries shall file, amend, withdraw, revoke or otherwise alter any Tax Return of Spinco or
any of its Subsidiaries (other than any Spinco Separate Tax Returns) to the extent such Tax Return relates to the Pre-Distribution Tax Period without the prior written consent of DTE, which consent shall not
be unreasonably withheld or delayed. 
 (e) Spinco shall not file any Adjustment Request with respect to any Tax for which DTE has an
indemnification obligation under this Agreement or that would otherwise reasonably be expected to give rise to a Tax liability for which DTE would be responsible (and for which DTE may not seek indemnification under this Agreement) and DTE will not
file any Adjustment Request with respect to any Tax for which Spinco has an indemnification obligation under this Agreement or that would otherwise reasonably be expected to give rise to a Tax liability for which Spinco would be responsible (and for
which Spinco may not seek indemnification under this Agreement), in each case without the consent of the other Party (not to be unreasonably withheld, conditioned or delayed). Any Adjustment Request that the Parties consent to make under this
Section 3.02 shall be prepared by the applicable Tax Return Preparer. 
 SECTION 3.03. Tax Contests. (a) DTE or Spinco, as
applicable, shall, within 10 business days of becoming aware of any Transaction Tax Contest or Tax Contest that could reasonably be expected to cause the other Party to have an indemnification obligation under this Agreement, notify the other Party
of such Transaction Tax Contest or Tax Contest and thereafter promptly forward or make available to the Indemnifying Party copies of notices and communications relating to the relevant portions of such Tax Contest. A failure by an Indemnitee to give
notice as provided in this Section 3.03(a) (or to promptly forward any such notices or communications) shall not relieve the Indemnifying Party’s indemnification obligations under this Agreement, except to the extent that the Indemnifying
Party shall have been actually prejudiced by such failure. 

  
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 (b) DTE and Spinco each shall have the exclusive right to control the conduct and settlement
of any Tax Contest, other than a Transaction Tax Contest, relating to any Tax Return that it is responsible for preparing pursuant to Section 3.01(a). Notwithstanding the foregoing, if the conduct or settlement of any portion or aspect of any
such Tax Contest could reasonably be expected to cause a Party to have an indemnification obligation under this Agreement, then the Indemnitee shall not accept or enter into any settlement without the consent of the Indemnifying Party, which consent
shall not be unreasonably withheld or delayed. 
 (c) DTE shall have the exclusive right to control the conduct and settlement of any
Transaction Tax Contest; provided, that where the conduct or settlement of any portion or aspect of any such Transaction Tax Contest could reasonably be expected to cause Spinco to have an indemnification obligation under this Agreement, then
(i) DTE shall not accept or enter into any settlement relating to any Transaction Tax Contest without the consent of Spinco, which consent shall not unreasonably be withheld or delayed, and (ii) Spinco shall have the right to attend any
formally scheduled meetings with any Taxing Authority or hearings or proceedings before any judicial authority, in each case with respect to such Transaction Tax Contest (or the relevant portion or aspect thereof). Notwithstanding the foregoing,
either Party shall be entitled to exclusively control the conduct and settlement of any Transaction Tax Contest if such Party notifies the other Party that (notwithstanding the rights and obligations of the Parties under this Agreement) it agrees to
pay and indemnify the other Party against any Transaction Taxes resulting from such Transaction Tax Contest. 
 SECTION 3.04.
Expenses. Each Party shall bear its own expenses in the course of any Tax Contest, other than expenses included in the definition of Transaction Taxes, which shall be governed by Article II. 

SECTION 3.05. Joint Venture Taxes. Notwithstanding anything to the contrary in this Agreement: 

(a) Spinco shall be liable for all Spinco Joint Venture Taxes and shall have the exclusive right to control the conduct and settlement of any
Tax Contest with respect to any Spinco Joint Venture Entity to the extent provided for in the relevant Spinco Joint Venture Entity’s governing documents; and 

(b) DTE shall be liable for all DTE Joint Venture Taxes and shall have the exclusive right to control the conduct and settlement of any Tax
Contest with respect to any DTE Joint Venture Entity to the extent provided for in the relevant DTE Joint Venture Entity’s governing documents. 

ARTICLE IV 
 Tax Matters
Relating to the Transactions 
 SECTION 4.01. Mutual Representations. Each Party represents that it knows of no fact, and has no
plan or intention to take any action, that it knows or reasonably should expect, after consultation with a Tax Advisor, is inconsistent with the qualification of any step of the Transactions for its Intended Tax Treatment. 

  
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 SECTION 4.02. Mutual Covenants. (a) Each Party shall use its reasonable best
efforts to cause the Tax Opinion to be issued, including by executing the Tax Opinion Representations requested by Cravath, Swaine & Moore LLP that are true and correct. 

(b) Except as otherwise expressly required or permitted by the Separation Agreement, this Agreement or any other Ancillary Agreement, after
the External Distribution neither Party shall take or fail to take, or cause or permit its respective Subsidiaries to take or fail to take, any action, if such action or omission would be inconsistent with its Tax Opinion Representations or the
Intended Tax Treatment. 
 SECTION 4.03. Restricted Actions. (a) Subject to Section 4.04, during the period beginning on
the Distribution Date and ending on, and including, the last day of the two-year period following the Distribution Date (the “Restricted Period”), Spinco shall not (and shall not cause or
permit any of its Subsidiaries to), in a single transaction or a series of transactions: 
 (i) enter into any Proposed
Acquisition Transaction; 
 (ii) take any affirmative action that permits a Proposed Acquisition Transaction to occur by
means of an agreement to which neither Spinco nor any of its Subsidiaries is a party (including by (A) redeeming rights under a shareholder rights plan, (B) finding a tender offer to be a “permitted offer” under any such plan or
otherwise causing any such plan to be inapplicable or neutralized with respect to any Proposed Acquisition Transaction, (C) approving any Proposed Acquisition Transaction, whether for purposes of Section 203 of the DGCL or any similar
corporate statute, or any “fair price” or other provision of Spinco’s charter or bylaws, or (D) amending its certificate of incorporation to declassify its Board of Directors or approving any such amendment); 

(iii) liquidate or partially liquidate Spinco, whether by merger, consolidation or otherwise (provided that, for the
avoidance of doubt, a merger of another entity into Spinco or any of its Subsidiaries shall not constitute an action described in this Section 4.03(a)(iii)); 

(iv) cause or permit Spinco to cease to engage in the Active Trade or Business; 

(v) sell or transfer 50% or more of the gross assets of the Active Trade or Business or 50% or more of the gross assets of the
“separate affiliated group” (within the meaning of Section 355(b)(3)(B) of the Code) of Spinco (the “Spinco SAG”) held immediately before the Internal Distribution (provided, however, that the foregoing
shall not apply to (A) sales, transfers or dispositions of assets to any member of the Spinco SAG, (B) sales, transfers or dispositions of assets in the Ordinary Course of Business of Spinco, (C) payments of cash to acquire assets
from an unrelated Person in an arm’s length transaction, (D) sales, transfers or dispositions of assets to a Person that is disregarded as an entity separate from the transferor for U.S. Federal income Tax purposes or (E) any
mandatory or optional repayments (or prepayments) of any indebtedness of Spinco or any of its Subsidiaries); or 

  
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 (vi) redeem or otherwise repurchase (directly or indirectly) any Spinco
Stock, except to the extent such redemptions or repurchases satisfies Section 4.05(1)(b) of Revenue Procedure 96-30 (as in effect prior to its amendment by Revenue Procedure
2003-48). 
 (b) (i) For purposes of this Agreement, “Proposed Acquisition
Transaction” means any transaction or series of transactions (or any agreement, understanding or arrangement to enter into a transaction or series of transactions) as determined for purposes of Section 355(e) of the Code, in connection
with which one or more Persons would (directly or indirectly) acquire, or have the right to acquire (including pursuant to an option, warrant or other conversion right), from any other Person or Persons, an interest in Spinco Stock that, when
combined with any other acquisitions of Spinco Stock that occur after the Distributions (but excluding any other acquisition described in clause (ii)) comprises 35% or more of the value or the total combined voting power of all interests that are
treated as outstanding equity in Spinco for U.S. Federal income Tax purposes immediately after such transaction or, in the case of a series of related transactions, immediately after any transaction in such series. For this purpose, any
recapitalization, repurchase or redemption of Spinco Stock and any amendment to the certificate of incorporation (or other organizational documents) of Spinco shall be treated as an indirect acquisition of Spinco Stock by any shareholder to the
extent such shareholder’s percentage interest in interests that are treated as outstanding equity in Spinco for U.S. Federal income Tax purposes increases by vote or value. 

(ii) Notwithstanding the foregoing, a Proposed Acquisition Transaction shall not include (x) the adoption by Spinco of a
shareholder rights plan that meets the requirements of IRS Revenue Ruling 90-11, (y) transfers on an established market of Spinco Stock that are described in Safe Harbor VII of
Section 1.355-7(d) of the Regulations or (z) issuances of Spinco Stock that satisfy Safe Harbor VIII (relating to acquisitions in connection with a Person’s performance of services) or Safe
Harbor IX (relating to acquisitions by a retirement plan of an employer) of Section 1.355-7(d) of the Regulations; provided, that such transaction or series of transactions shall constitute a Proposed Acquisition Transaction if
meaningful factual diligence is necessary to establish that Section 4.03(b)(ii)(x), (y) or (z) applies. 
 (c) If Spinco merges or
consolidates with another entity to form a new entity, references in this Agreement to Spinco shall be to that new entity and Spinco Stock shall refer to the capital stock or other relevant instruments or rights of that new entity. 

  
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 (d) The provisions of this Section 4.03, including the definition of “Proposed
Acquisition Transaction”, are intended to monitor compliance with Section 355 of the Code and shall be interpreted accordingly. Any clarification of, or change in, Section 355 of the Code or the Regulations thereunder shall be
incorporated into this Section 4.03 and its interpretation. 
 SECTION 4.04. Consent to Take Certain Restricted Actions.
(a) Spinco may (and may cause or permit its Subsidiaries to) take an action otherwise prohibited under Section 4.03(a) if (i) DTE consents in writing to any such action, which consent shall be at DTE’s sole and absolute
discretion or (ii) Spinco has received Legal Comfort with respect to such action. For the avoidance of doubt, neither DTE’s written consent pursuant to this Section 4.04(a) nor Spinco’s receipt of Legal Comfort shall relieve
Spinco of its indemnification obligations under Section 2.02(b). 
 (b) For purposes of this Agreement, “Legal
Comfort” means either a Ruling or an Unqualified Tax Opinion concluding that the proposed action will not cause any step of the Transactions to fail to qualify for its Intended Tax Treatment. Such Ruling or Unqualified Tax Opinion will
constitute Legal Comfort only if it is satisfactory to DTE in its sole and absolute discretion in both form and substance. In determining whether an Unqualified Tax Opinion is satisfactory, DTE may consider, among other factors, the appropriateness
of any underlying assumptions or representations and DTE’s views on the substantive merits of the legal analysis contained therein, and DTE may determine that no Unqualified Tax Opinion would be acceptable to DTE. 

(c) For purposes of this Agreement, “Unqualified Tax Opinion” means an unqualified “will” opinion of a Tax Advisor,
which Tax Advisor is acceptable to DTE in DTE’s sole and absolute discretion, that permits reliance by DTE. The Tax Advisor, in issuing its opinion, shall be permitted to rely on the validity and correctness, as of the date given, of any
previously issued Tax Opinions/Rulings, unless such reliance would be unreasonable under the circumstances, and shall assume that each of the applicable Transactions would have qualified for its Intended Tax Treatment if the action in question did
not occur. 
 SECTION 4.05. Procedures Regarding Opinions and Rulings. (a) If Spinco notifies DTE that it desires to take a
restricted action described in Section 4.03(a) and DTE requires Legal Comfort as a condition to consenting to such restricted action pursuant to Section 4.04(b), DTE shall use commercially reasonable efforts to expeditiously obtain, or
assist Spinco in obtaining, such Legal Comfort. Notwithstanding the foregoing, DTE shall not be required to take any action pursuant to this Section 4.05(a) if, upon request, Spinco fails to certify that all information and representations
relating to Spinco or any Subsidiary of Spinco in the relevant documents are true, correct and complete or fails to obtain certification from any counterparty to any Proposed Acquisition Transaction that all information and representations relating
to such counterparty in the relevant documents are true, correct and complete. Spinco shall reimburse DTE for all reasonable out-of-pocket costs and expenses incurred by
DTE or any Subsidiary of DTE in obtaining Legal Comfort within 10 business days after receiving an invoice from DTE therefor. 

  
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 (b) Notwithstanding anything herein to the contrary, Spinco shall not seek any Ruling with
respect to a Pre-Distribution Tax Period (whether or not relating to the Transactions). 
 (c) DTE
shall have the right to obtain a Ruling, any other guidance from any Taxing Authority or an opinion of Tax counsel or an accounting firm relating to the Transactions at any time in DTE’s sole discretion. Spinco, at the request of DTE, shall use
commercially reasonable efforts to expeditiously obtain, or assist DTE in obtaining, any such Ruling, other guidance or opinion; provided, however, that Spinco shall not be required to make any representation or covenant that it does
not reasonably believe is (and will continue to be) true, accurate and consistent with historical facts. DTE shall reimburse Spinco for all reasonable out-of-pocket
costs and expenses incurred by Spinco or any Subsidiary of Spinco in obtaining a Ruling, other guidance or opinion requested by DTE within 30 days after receiving an invoice from Spinco therefor. 

(d) DTE shall have exclusive control over the process of obtaining any Ruling or other guidance from any Taxing Authority concerning the
Transactions, and Spinco shall not independently seek any Ruling or other guidance concerning the Transactions at any time. In connection with any Ruling requested by Spinco pursuant to Section 4.05(a) or that can reasonably be expected to
affect Spinco’s liabilities under this Agreement, DTE shall (1) keep Spinco informed of all material actions taken or proposed to be taken by DTE, (2) reasonably in advance of the submission of any ruling request provide Spinco with a
draft thereof, consider Spinco’s comments on such draft and provide Spinco with a final copy thereof and (3) provide Spinco with notice reasonably in advance of, and (subject to the approval of the IRS) permit Spinco to attend, any
formally scheduled meetings with the IRS that relate to such Ruling. 
 SECTION 4.06. Notification and Certification Regarding Certain
Acquisition Transactions. If Spinco proposes to enter into any 10% Acquisition Transaction or take any affirmative action to permit any 10% Acquisition Transaction to occur at any time during the 30-month
period following the Distribution Date, Spinco shall undertake in good faith to provide DTE, no later than 10 business days prior to signing any written agreement with respect to such 10% Acquisition Transaction or obtaining knowledge of the
occurrence of any such 10% Acquisition Transaction that takes place without written agreement, with a written description of such transaction (including the type and amount of Spinco Stock to be acquired) and a brief explanation as to why Spinco
believes that such transaction does not result in the application of Section 355(a)(1)(B), 355(e) or 355(f) of the Code to the Transactions. For purposes of this Section 4.06, “10% Acquisition Transaction” means any
transaction or series of transactions that would be a Proposed Acquisition Transaction if the percentage specified in the definition of Proposed Acquisition Transaction were 10% instead of 35%. 

SECTION 4.07. Reporting. DTE and Spinco shall (i) timely file any appropriate information and statements (including as required by
Section 6045B of the Code and Section 1.355-5 and, to the extent applicable, Section 1.368-3 of the Regulations) to report each of the applicable
Transactions as qualifying for its Intended Tax Treatment and (ii) absent a change of Law or an applicable Determination otherwise, not take, and shall not cause any of its Subsidiaries to take, any position on any Tax Return that is
inconsistent with such qualification. 

  
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 SECTION 4.08. Tax Treatment of Certain Amounts Paid Pursuant to the EMA. Amounts paid
pursuant to the EMA shall be treated in the manner as described in the EMA and Section 5.05. 
 SECTION 4.09. Protective
Section 336(e) Election. (a) DTE will make a Protective Section 336(e) Election with respect to each of the Distributions. Accordingly, the Parties agree that this Agreement constitutes a written, binding agreement
to make a Protective Section 336(e) Election with respect to each of the Distributions as contemplated by Section 1.336-2(h)(1)(i) of the Regulations. Spinco will cooperate with DTE to facilitate the
making of such election. 
 (b) If Spinco realizes a Tax benefit from the step-up in Tax basis
resulting from a failure of any of the Distributions to qualify (in whole or in part) for its Intended Tax Treatment and the election described in Section 4.09(a), unless Spinco has indemnified DTE for the resulting Transaction Taxes under
Section 2.02(b), Spinco shall make quarterly payments to DTE in an amount equal to the actual Tax savings, as and when realized, arising from the step-up in Tax basis resulting from the Protective
Section 336(e) Election, determined on a “with and without” basis (treating any deductions or amortization attributable to the step-up in Tax basis resulting from the Protective
Section 336(e) Election as the last items claimed for any taxable period, including after the utilization of any available net operating loss carryforwards), net of any reasonable
out-of-pocket expenses necessary to secure such Tax savings. 

SECTION 4.10. Actions after the Distribution on the Distribution Date. Spinco will not take any action on the Distribution Date after
the External Distribution that is outside the Ordinary Course of Business of Spinco. 
 SECTION 4.11. Actions after the Distribution Date
for Remainder of Calendar Year. (a) From and after the Distribution Date, Spinco shall not, without the prior consent of Parent, cause or permit any Non-US Spinco Member to engage in, enter into, or
undertake any of the following actions or series of actions having an effective date on or before January 1 of the calendar year immediately following the calendar year in which the Distribution Date occurs: 

(b) a distribution, whether in the form of a dividend, return of capital or otherwise; 

(c) a redemption or other repurchase (directly or indirectly) of any shares of capital stock of any
Non-US Spinco Member; 
 (d) any merger, consolidation, amalgamation, combination, demerger,
liquidation, conversion or other corporate restructuring having similar effect; 
 (e) a sale of assets; 

  
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 (f) a sale of any shares of any Subsidiary of Spinco; 

(g) the filing of a U.S. Internal Revenue Service Form 8832 with respect to any Non-US Spinco Member
or any other action that would reasonably be expected to change the U.S. entity classification of any Non-US Spinco Member; 

(h) any similar actions or transactions outside of the Ordinary Course of Business of any Non-US
Spinco Member that would reasonably be expected to impact the earnings and profits as determined for U.S. Federal income Tax purposes of any Non-US Spinco Member; or 

(i) any “extraordinary reduction” (within the meaning of Section 1.245A-5T(e)(2) of the
Regulations) with respect to the ownership of any Non-US Spinco Member that is a “controlled foreign corporation” (within the meaning of Section 957(a) of the Code) by any “controlling
section 245A shareholder” (within the meaning of Section 1.245A-5T(i)(2) of the Regulations). 

SECTION 4.12. Termination of Tax Sharing Agreements. Prior to the Distributions, the Parties shall terminate all Tax allocation or
sharing agreements that are exclusively between one or more members of the Spinco Tax Group, on the one hand, and one or more members of the DTE Tax Group, on the other hand (other than this Agreement). 

ARTICLE V 
 Procedural Matters

 SECTION 5.01. Cooperation. Each Party shall cooperate (and cause their respective Subsidiaries to cooperate) with reasonable
requests from the other Party in matters covered by this Agreement, including in connection with the preparation and filing of Tax Returns, the calculation of Taxes, the determination of the proper financial accounting treatment of Tax items and the
conduct and settlement of Tax Contests. Such cooperation shall include: 
 (i) retaining until the expiration of the relevant statute of
limitations (including extensions) of records, documents, accounting data, computer data and other information (“Records”) necessary for the preparation, filing, review, audit or defense of all Tax Returns relevant to an obligation,
right or liability of either Party under this Agreement; 
 (ii) providing the other Party reasonable access to Records and to its personnel
(ensuring their cooperation) and premises during normal business hours to the extent relevant to an obligation, right or liability of the other Party under this Agreement or otherwise reasonably required by the other Party to complete Tax Returns or
to compute the amount of any payment contemplated by this Agreement; and 

  
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 (iii) notifying the other Party prior to disposing of any relevant Records and affording the
other Party the opportunity to take possession or make copies of such Records at its discretion. 
 SECTION 5.02. Interest. Any
payments required pursuant to this Agreement that are not made within the time period specified in this Agreement shall bear interest from the end of that period. Interest required to be paid pursuant to this Agreement shall, unless otherwise
specified, be computed at the rate and in the manner provided in the Code for interest on underpayments for the relevant period. 
 SECTION
5.03. Indemnification Claims and Payments. (a) An Indemnitee shall be entitled to make a claim for payment with respect to Taxes under this Agreement when the Indemnitee determines that it is entitled to such payment and is able to
calculate with reasonably accuracy the amount of such payment. Except as otherwise provided in Sections 3.02(b) and 3.03, the Indemnitee shall provide to the Indemnifying Party notice of such claim within 60 business days of the first date on which
it so becomes entitled to make such claim. Such notice shall include a description of such claim and a detailed calculation of the amount claimed. 

(b) Except as otherwise provided in Sections 3.02(b) and 3.03, the Indemnifying Party shall make the claimed payment to the Indemnitee within
30 business days after receiving such notice, unless the Indemnifying Party reasonably disputes its liability for, or the amount of, such payment. 

(c) A failure by an Indemnitee to give notice as provided in Section 3.02(b), 3.03 or 5.03(a) shall not relieve the Indemnifying
Party’s indemnification obligations under this Agreement, except to the extent that the Indemnifying Party shall have been actually prejudiced by such failure. 

(d) Nothing in this Section 5.03 shall prejudice a Party’s right to receive payments pursuant to Section 3.02(b) or 3.03. 

SECTION 5.04. Amount of Indemnity Payments. The amount of any Indemnity Payment shall be (i) reduced to take into account any Tax
benefit actually realized by the Indemnitee resulting from the incurrence of the liability in respect of which the Indemnity Payment is made and (ii) increased to take into account any Tax cost actually realized by the Indemnitee resulting from
the receipt of the Indemnity Payment, including any Tax cost arising from such Indemnity Payment having resulted in income or gain to either Party, for example, under Section 1.1502-19 of the Regulations,
and any Taxes imposed on additional amounts payable pursuant to this clause (ii). For purposes of calculating the amount of any Tax benefit or Tax cost, the applicable Indemnitee shall be deemed to be subject to the maximum applicable tax rate and
any Tax attributes of such Indemnitee shall be disregarded. 
 SECTION 5.05. Treatment of Indemnity Payments. Any Indemnity Payment
(other than any portion of a payment that represents interest accruing after the Distribution Date) shall be treated by DTE and Spinco for all Tax purposes as a distribution from Spinco to DTE immediately prior to the External Distribution (if made
by Spinco to DTE) or as a contribution from DTE to Spinco immediately prior to the External Distribution (if made by DTE to Spinco), except as otherwise required by applicable Law or a Determination. 

  
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 SECTION 5.06. Tax Disputes. Notwithstanding Section 6.07, this Section 5.06
shall govern the resolution of any dispute arising between the Parties in connection with this Agreement, other than a dispute listed in Appendix B (a “Specified Dispute”, and any dispute other than a Specified Dispute,
a “Tax Dispute”). The Parties shall negotiate in good faith to resolve any Tax Dispute for 45 calendar days (unless earlier resolved). Upon notice of either Party after 45 calendar days, the matter will be referred to an Accounting
Firm acceptable to both Parties. The Accounting Firm may, in its discretion, obtain the services of any third party necessary to assist it in resolving the Tax Dispute. The Parties shall instruct the Accounting Firm to furnish notice to each Party
of its resolution of the Tax Dispute as soon as practicable, but in any event no later than 60 calendar days after its acceptance of the matter for resolution. Any such resolution by the Accounting Firm will be binding on the Parties and the Parties
shall take, or cause to be taken, any action necessary to implement the resolution. All fees and expenses of the Accounting Firm shall be shared equally by the Parties. If, having determined that a Tax Dispute must be referred to an Accounting Firm,
after 45 calendar days the Parties are unable to find an Accounting Firm willing to adjudicate the Tax Dispute in question and that the Parties in good faith find acceptable, then this Section 5.06 shall cease to apply to that Tax Dispute. 

ARTICLE VI 
 Miscellaneous

 SECTION 6.01. Termination. This Agreement will terminate without further action at any time before the External Distribution
upon termination of the Separation Agreement. If terminated, no Party will have any Liability of any kind to the other Party or any other Person on account of this Agreement, except as provided in the Separation Agreement. 

SECTION 6.02. Applicability. This Agreement shall not apply before the External Distribution. 

SECTION 6.03. Survival. Except as expressly set forth in this Agreement, the covenants and indemnification obligations in this
Agreement shall survive the Spin-Off and shall remain in full force and effect. 
 SECTION 6.04.
Separation Agreement. The Parties agree that, in the event of a conflict between the terms of this Agreement and the Separation Agreement with respect to the subject matter hereof, the terms of this Agreement shall govern. 

SECTION 6.05. Confidentiality. Each Party hereby acknowledges that confidential Information of such Party or its Subsidiaries may be
exposed to employees and agents of the other Party or its Subsidiaries as a result of the activities contemplated by this Agreement. Each Party agrees, on behalf of itself and its Subsidiaries, that such Party’s obligations with respect to
Information and data of the other Party or its Subsidiaries shall be governed by Section 7.09 of the Separation Agreement. 

  
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 SECTION 6.06. Counterparts; Entire Agreement. (a) This Agreement may be executed
in one or more counterparts, all of which counterparts shall be considered one and the same agreement, and shall become effective when one or more counterparts have been signed by each Party and delivered to the other Party. This Agreement may be
executed by facsimile or PDF signature and a facsimile or PDF signature shall constitute an original for all purposes. 
 (b) This
Agreement, the Separation Agreement, the other Ancillary Agreements and the Appendices, Exhibits and Schedules hereto and thereto contain the entire agreement between the Parties with respect to the subject matter hereof and supersede all previous
agreements, negotiations, discussions, writings, understandings, commitments and conversations with respect to such subject matter, and there are no agreements or understandings between the Parties with respect to the subject matter hereof other
than those set forth or referred to herein or therein. 
 SECTION 6.07. Governing Law; Jurisdiction. This Agreement shall be governed
by, and construed in accordance with, the Laws of the State of Delaware, regardless of the laws that might otherwise govern under applicable principles of conflicts of laws thereof. Subject to Section 5.06, each Party irrevocably consents to
the exclusive jurisdiction, forum and venue of the Delaware Court of Chancery (and if the Delaware Court of Chancery shall be unavailable, any Delaware State court or the federal court sitting in the State of Delaware) over any and all claims,
disputes, controversies or disagreements between the Parties or any of their respective Subsidiaries and Affiliates (as such terms are defined in the Separation Agreement), successors and assigns under or related to this Agreement or any document
executed pursuant to this Agreement or any of the transactions contemplated hereby or thereby, including their execution, performance or enforcement, whether in contract, tort or otherwise. Each of the Parties hereby agrees that it shall not assert,
and shall hereby waive, any claim or right or defense that it is not subject to the jurisdiction of such courts, that the venue is improper, that the forum is inconvenient or any similar objection, claim or argument. Subject to Section 5.06,
each Party agrees that a final judgment in any legal proceeding resolved in accordance with this Section 6.07, Section 6.08 and Section 6.15 shall be conclusive and may be enforced in other jurisdictions by suit on the judgment or in
any other manner provided by applicable Law. 
 SECTION 6.08. Waiver of Jury Trial. EACH PARTY ACKNOWLEDGES AND AGREES THAT ANY
CONTROVERSY THAT MAY ARISE UNDER THIS AGREEMENT IS LIKELY TO INVOLVE COMPLICATED AND DIFFICULT ISSUES, AND THEREFORE EACH PARTY HEREBY IRREVOCABLY AND UNCONDITIONALLY WAIVES ANY RIGHT SUCH PARTY MAY HAVE TO A TRIAL BY JURY IN RESPECT OF ANY
LITIGATION DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT. EACH PARTY CERTIFIES AND ACKNOWLEDGES THAT (i) NO REPRESENTATIVE, AGENT OR ATTORNEY OF THE OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT THE OTHER PARTY
WOULD NOT, IN THE EVENT OF ANY LITIGATION, SEEK TO ENFORCE THE FOREGOING WAIVER, (ii) EACH PARTY UNDERSTANDS AND HAS CONSIDERED THE IMPLICATIONS OF THIS WAIVER, (iii) EACH PARTY MAKES THIS WAIVER VOLUNTARILY AND (iv) EACH PARTY HAS
BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION 6.08. 

  
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 SECTION 6.09. Assignability. Neither this Agreement nor any of the rights, interests
or obligations under this Agreement shall be assigned, in whole or in part, by operation of law or otherwise by either Party without the prior written consent of the other Party. Any purported assignment without such consent shall be void. Subject
to the preceding sentences, this Agreement will be binding upon, inure to the benefit of, and be enforceable by, the Parties and their respective successors and assigns. Notwithstanding the foregoing, either Party may assign this Agreement without
consent in connection with (a) a merger transaction in which such Party is not the surviving entity and the surviving entity acquires or assumes all or substantially all of such Party’s assets, or (b) the sale of all or substantially
all of such Party’s assets; provided, however, that the assignee expressly assumes in writing all of the obligations of the assigning Party under this Agreement, and the assigning Party provides written notice and evidence of such
assignment and assumption to the non-assigning Party. No assignment permitted by this Section 6.09 shall release the assigning Party from liability for the full performance of its obligations under this
Agreement. 
 SECTION 6.10. Third-Party Beneficiaries. (a) The provisions of this Agreement are solely for the benefit of the
Parties hereto and are not intended to confer upon any Person except the Parties hereto any rights or remedies hereunder and (b) there are no third-party beneficiaries of this Agreement and this Agreement shall not provide any third Person with
any remedy, claim, liability, reimbursement, cause of action or other right in excess of those existing without reference to this Agreement. 

SECTION 6.11. Notices. All notices or other communications under this Agreement shall be in writing and shall be deemed to be duly
given when (a) delivered in person, (b) on the date received, if sent by a nationally recognized delivery or courier service or (c) upon the earlier of confirmed receipt or the fifth (5th) business day following the date of mailing if
sent by registered or certified mail, return receipt requested, postage prepaid, addressed as follows: 
 If to DTE, to: 

[                ] 

Attn:    [                ] 

e-mail:
[                ] 

  
 21 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 with a copy to: 

Cravath, Swaine & Moore LLP 

Worldwide Plaza 
 825 Eighth
Avenue 
 New York, NY 10019 

Attn:     Stephen L. Gordon, Esq. 

    J. Leonard Teti II, Esq. 

e-mail:  gordon@cravath.com 

    lteti@cravath.com 

If to Spinco, to: 

[                ] 

Attn:    [                ] 

e-mail: [                
] 
 Either Party may, by notice to the other Party, change the address to which such notices are to be given. 

SECTION 6.12. Severability. If any provision of this Agreement or the application thereof to any Person or circumstance is determined
by a court of competent jurisdiction to be invalid, void or unenforceable, the remaining provisions hereof, or the application of such provision to Persons or circumstances or in jurisdictions other than those as to which it has been held invalid or
unenforceable, shall remain in full force and effect and shall in no way be affected, impaired or invalidated thereby, so long as the economic or legal substance of the transactions contemplated hereby is not affected in any manner materially
adverse to either Party. Upon any such determination, any such provision, to the extent determined to be invalid, void or unenforceable, shall be deemed replaced by a provision that such court determines is valid and enforceable and that comes
closest to expressing the intention of the invalid, void or unenforceable provision. 
 SECTION 6.13. Headings. The article, section
and paragraph headings contained in this Agreement are for reference purposes only and shall not affect in any way the meaning or interpretation of this Agreement. 

SECTION 6.14. Waivers of Default. No failure or delay of either Party (or the applicable member of its Group) in exercising any right
or remedy under this Agreement shall operate as a waiver thereof, nor shall any single or partial exercise of any such right or power, or any abandonment or discontinuance of steps to enforce such right or power, or any course of conduct, preclude
any other or further exercise thereof or the exercise of any other right or power. Waiver by either Party of any default by the other Party of any provision of this Agreement shall not be deemed a waiver by the waiving Party of any subsequent or
other default. 

  
 22 

  

 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 SECTION 6.15. Specific Performance. In the event of any actual or threatened default
in, or breach of, any of the terms, conditions and provisions of this Agreement, DTE shall have the right to specific performance and injunctive or other equitable relief of its rights under this Agreement, in addition to any and all other rights
and remedies at law or in equity, and all such rights and remedies shall be cumulative. Spinco shall not oppose the granting of such relief on the basis that money damages are an adequate remedy. The Parties agree that the remedies at law for any
breach or threatened breach hereof, including monetary damages, are inadequate compensation for any loss and that any defense in any action for specific performance that a remedy at law would be adequate is waived. Any requirements for the securing
or posting of any bond with such remedy are waived. The Parties acknowledge and agree that the right of specific enforcement is an integral part of this Agreement and without that right, neither DTE nor Spinco would have entered into this Agreement.

 SECTION 6.16. Amendments. No provisions of this Agreement shall be deemed waived, amended, supplemented or modified by either
Party, unless such waiver, amendment, supplement or modification is in writing and signed by the authorized representative of each Party. 

SECTION 6.17. Interpretation. The rules of interpretation set forth in Section 11.15 of the Separation Agreement shall be
incorporated by reference to this Agreement, mutatis mutandis. NOTWITHSTANDING THE FOREGOING, THE PURPOSE OF ARTICLE IV IS TO ENSURE THAT EACH OF THE APPLICABLE TRANSACTIONS QUALIFIES FOR ITS INTENDED TAX TREATMENT AND, ACCORDINGLY, THE
PARTIES AGREE THAT THE LANGUAGE THEREOF SHALL BE INTERPRETED IN A MANNER THAT SERVES THIS PURPOSE TO THE GREATEST EXTENT POSSIBLE. 

SECTION 6.18. Compliance by Subsidiaries. The Parties shall cause their respective Subsidiaries to comply with this Agreement. 

IN WITNESS WHEREOF, the Parties have executed this Agreement as of the date first written above. 

[Signature Page Follows] 

  
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 Confidential Treatment Requested by DT Midstream, Inc. 

Pursuant to 17 C.F.R. Section 200.83 
  

 
					
	 DTE ENERGY COMPANY,

			
		 	by	 	
		 		 	 
		 		 	Name:
		 		 	Title:
			
		 		 	 

  

					
	 DT MIDSTREAM, INC., 

			
		 	by	 	
		 		 	 
		 		 	Name:
		 		 	Title:

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