Document:

EX-10.5

 Exhibit 10.5 

$2,100,000,000 
 DT
MIDSTREAM, INC. 
 $1,100,000,000 4.125% SENIOR NOTES DUE
2029 
 $1,000,000,000 4.375% SENIOR NOTES DUE 2031 

PURCHASE AGREEMENT 

May 25, 2021 
 BARCLAYS
CAPITAL INC. 
 As Representative of the several 

Initial Purchasers named in Schedule I attached hereto 

c/o Barclays Capital Inc. 
 745 Seventh Avenue 

New York, New York 10019 
 Ladies and Gentlemen: 

DT Midstream, Inc., a Delaware corporation (the “Company”), proposes, upon the terms and conditions set forth in this
agreement (this “Agreement”), to issue and sell to Barclays Capital Inc. (“Barclays”) and the other several initial purchasers named in Schedule I hereto (the “Initial
Purchasers”), for whom Barclays is acting as representative (in such capacity, the “Representative”), $1,100,000,000 in aggregate principal amount of its 4.125% Senior Notes due 2029 (the “2029
Notes”) and $1,000,000,000 in aggregate principal amount of its 4.375% Senior Notes due 2031 (the “2031 Notes” and, together with the 2029 Notes, the “Notes”). The Notes (i) will have
terms and provisions that are summarized in the Pricing Disclosure Package and the Offering Memorandum (each as defined below), and (ii) are to be issued pursuant to an Indenture (the “Indenture”) to be entered into by
and among the Company, the Guarantors (as defined below) and U.S. Bank National Association, as trustee (the “Trustee”). The Company’s obligations under the Notes, including the due and punctual payment of interest on
the Notes, will be irrevocably and unconditionally guaranteed on a senior unsecured basis (the “Guarantees”) by the guarantors listed in Schedule II hereto (together the “Guarantors”). As used herein,
the term “Notes” shall include the Guarantees, unless the context otherwise requires. This Agreement is to confirm the agreement concerning the purchase of the Notes from the Company by the Initial Purchasers. 

The Notes are being issued by the Company in connection with the separation of the Company from DTE Energy Company, a Michigan corporation,
and, as of the date of this Agreement, the Company’s parent company (“DTE Energy”), and the distribution of all of the common stock of the Company to the holders of the common stock of DTE Energy (the “Spin-Off”), pursuant to that certain Separation and Distribution Agreement, to be entered into in connection with the Spin-Off, between the Company and DTE
Energy. In connection with the Spin-Off, the Company intends to complete a series of transactions described in the Pricing Disclosure Package and the Offering Memorandum, including (i) the issuance of the
Notes to be guaranteed by the Guarantors, (ii) obtaining up to $1 billion of term loans pursuant to a 7-year senior secured term loan facility, (iii) the entry into an up to $750 million 5-year senior secured revolving credit facility, (iv) using the net proceeds from the issuance of the Notes to repay short-term borrowings due to DTE Energy and (v) using the net proceeds of such term
loans to repay all remaining short-term borrowings due to DTE Energy and to pay a dividend to DTE Energy or one of its subsidiaries.  

  
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 In the event that (i) the Spin-Off is not, or
the Company provides notice to the Trustee that in its reasonable judgment the Spin-Off will not be, consummated on or prior to September 1, 2021 (the “End Date”), (ii) the Company
notifies the Trustee that it will not pursue the Spin-Off or (iii) the Company prepays the term loans outstanding under the credit agreement that will govern the New Term Loan Facility (as defined in the
Pricing Disclosure Package) prior to the Spin-Off, then the Company will redeem all of the Notes of each series on the third Business Day after (x) the End Date (in the case of (i)), (y) the date of such
notice (in the case of (ii)) or (z) the date of such prepayment (in the case of clause (iii)) (such third Business Day, the “Special Mandatory Redemption Date”) at a redemption price equal to 100% of the initial issue
price of such series of Notes, plus accrued and unpaid interest to, but not including, the Special Mandatory Redemption Date. 
 For
purposes of this Agreement, the term “Transaction Documents” refers, collectively, to this Agreement, the Notes and the Indenture (including any Guarantees set forth therein). 

1. Purchase and Resale of the Notes. The Notes will be offered and sold to the Initial Purchasers without registration under the
Securities Act of 1933, as amended (the “Securities Act”), in reliance on an exemption pursuant to Section 4(a)(2) under the Securities Act. The Company and the Guarantors have prepared a preliminary offering memorandum,
dated May 20, 2021 (the “Preliminary Offering Memorandum”), a pricing term sheet substantially in the form attached hereto as Schedule III (the “Pricing Term Sheet”) setting forth the terms of the
Notes omitted from the Preliminary Offering Memorandum and an offering memorandum, dated May 25, 2021 (the “Offering Memorandum”), setting forth information regarding the Company, the Guarantors, the Notes and the Guarantees.
The Preliminary Offering Memorandum, as supplemented and amended as of the Applicable Time (as defined below), together with the Pricing Term Sheet and any of the documents listed on Schedule IV(A)
hereto are collectively referred to as the “Pricing Disclosure Package”. The Company and the Guarantors hereby confirm that they have authorized the use of the Pricing
Disclosure Package and the Offering Memorandum in connection with the offering and resale of the Notes by the Initial Purchasers. “Applicable Time” means 1:45 p.m. (New York City time) on the date of this Agreement. 

You have advised the Company that you will offer and resell (the “Exempt Resales”) the Notes purchased by you
hereunder on the terms set forth in each of the Pricing Disclosure Package and the Offering Memorandum, as amended or supplemented, solely to (i) persons whom you reasonably believe to be “qualified institutional buyers” as defined in
Rule 144A under the Securities Act (“Rule 144A”) (each a “QIB”), and (ii) outside the United States to certain persons who are not U.S. Persons (as defined in Regulation S under the Securities Act
(“Regulation S”)) (such persons are referred to in this agreement as “Non-U.S. Persons”) in offshore transactions in reliance on Regulation S. As used herein,
the terms “offshore transaction” and “United States” have the meanings assigned to them in Regulation S. Those persons specified in clauses (i) and (ii) are referred to herein as “Eligible
Purchasers”. 

  
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 2. Representations, Warranties and Agreements of the Company and the Guarantors. The
Company and each of the Guarantors, jointly and severally, represent, warrant and agree as follows (it being understood that unless otherwise specified or required by context, references to the respective subsidiaries or affiliates of the Company
and the Guarantors shall be deemed to refer to the respective subsidiaries and affiliates of the Company and the Guarantors after giving effect to the Spin-Off): 

(a) When the Notes and the Guarantees are issued and delivered pursuant to this Agreement, such Notes and Guarantees will not be of the same
class (within the meaning of Rule 144A) as securities of the Company or the Guarantors that are listed on a national securities exchange registered under Section 6 of the United States Securities Exchange Act of 1934, as amended (the
“Exchange Act”), or that are quoted in a United States automated inter-dealer quotation system. 
 (b) Assuming the
accuracy of your representations and warranties in Section 3(b), the purchase and resale of the Notes pursuant hereto (including pursuant to the Exempt Resales) are exempt from the registration requirements of the Securities Act. 

(c) No form of general solicitation or general advertising within the meaning of Regulation D under the Securities Act (“Regulation
D”) (including, but not limited to, advertisements, articles, notices or other communications published in any newspaper, magazine or similar medium or broadcast over television or radio, or any seminar or meeting whose attendees have
been invited by any general solicitation or general advertising) was used by the Company, the Guarantors, any of their respective affiliates (including DTE Energy and its subsidiaries) or any of their respective representatives (other than you, as
to whom the Company and the Guarantors make no representation) in connection with the offer and sale of the Notes. 
 (d) No directed
selling efforts within the meaning of Rule 902 under the Securities Act were used by the Company, the Guarantors, any of their respective affiliates (including DTE Energy and its subsidiaries) or any of their respective representatives (other than
you, as to whom the Company and the Guarantors make no representation) with respect to Notes sold outside the United States to Non-U.S. Persons, and the Company, any affiliate of the Company (including DTE
Energy and its subsidiaries) and any person acting on its or their behalf (other than you, as to whom the Company and the Guarantors make no representation) has complied with and will implement the “offering restrictions” required by Rule
902 under the Securities Act. 
 (e) Each of the Preliminary Offering Memorandum, the Pricing Disclosure Package and the Offering
Memorandum, each as of (i) its respective date (or in the case of the Pricing Disclosure Package, as of the Applicable Time) and (ii) the Closing Date, contains all the information specified in, and meeting the requirements of, Rule
144A(d)(4) under the Securities Act. 
 (f) None of the Company, the Guarantors, any of their respective affiliates (including DTE Energy
and its subsidiaries) or any other person acting on behalf of the Company, any Guarantor or any of their respective affiliates (including DTE Energy and its subsidiaries) has sold or issued any securities that would be integrated with the offering
of the Notes contemplated by this Agreement pursuant to the Securities Act, the rules and regulations thereunder or the interpretations thereof by the Securities and Exchange Commission (the “Commission”). 

  
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 (g) The Preliminary Offering Memorandum, the Pricing Disclosure Package and the Offering
Memorandum have been prepared by the Company and the Guarantors for use by the Initial Purchasers in connection with the Exempt Resales. No order or decree preventing or suspending the use of the Preliminary Offering Memorandum, the Pricing
Disclosure Package or the Offering Memorandum, or any order asserting that the transactions contemplated by this Agreement are subject to the registration requirements of the Securities Act has been issued, and no proceeding for that purpose has
commenced or is pending or, to the knowledge of the Company or any of the Guarantors is contemplated. 
 (h) The Offering Memorandum will
not, as of its date or as of the Closing Date, contain any untrue statement of a material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not
misleading; provided that no representation or warranty is made as to information contained in or omitted from the Offering Memorandum in reliance upon and in conformity with written information furnished to the Company through the
Representative by or on behalf of any Initial Purchaser specifically for inclusion therein, which information is specified in Section 8(e). 

(i) The Pricing Disclosure Package did not, as of the Applicable Time, and will not, as of the Closing Date, contain any untrue statement of a
material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading; provided that no representation or warranty is made as to
information contained in or omitted from the Pricing Disclosure Package made in reliance upon and in conformity with written information furnished to the Company through the Representative by or on behalf of any Initial Purchaser specifically for
inclusion therein, which information is specified in Section 8(e). 
 (j) Neither the Company nor the Guarantors has made any offer to
sell or solicitation of an offer to buy the Notes that would constitute a “free writing prospectus” (if the offering of the Notes was made pursuant to a registered offering under the Securities Act), as defined in Rule 405 under the
Securities Act (a “Free Writing Offering Document”) without the prior consent of Representative; any such Free Writing Offering Document the use of which has been previously consented to by the Representative is listed on
Schedule IV hereto. 
 (k) Each Free Writing Offering Document listed on Schedule IV(B) hereto, when taken together with the Pricing
Disclosure Package, did not, as of the Applicable Time, and will not, as of the Closing Date, contain any untrue statement of a material fact or omit to state a material fact necessary to make the statements therein, in the light of the
circumstances under which they were made, not misleading; provided that no representation or warranty is made as to information contained in or omitted from such Free Writing Offering Document listed on Schedule IV(B) hereto in reliance upon
and in conformity with written information furnished to the Company through the Representative by or on behalf of any Initial Purchaser specifically for inclusion therein, which information is specified in Section 8(e). 

  
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 (l) Each of the Company, the Guarantors and their respective subsidiaries have been duly
organized, are validly existing and in good standing as a corporation, partnership or limited liability company, as applicable, under the laws of their respective jurisdiction of organization and are duly qualified to do business and in good
standing as foreign corporations or other business entity in each jurisdiction in which their ownership or lease of property or the conduct of its businesses requires such qualification, except where the failure to be so qualified or in good
standing would not, individually or in the aggregate, reasonably be expected to have a material adverse effect on the condition (financial or otherwise), results of operations, properties or business of the Company and its subsidiaries taken as a
whole (a “Material Adverse Effect”). Each of the Company, the Guarantors and their respective subsidiaries has all power and authority necessary to own or hold its properties and to conduct the businesses in which it is
engaged as described in the Pricing Disclosure Package and the Offering Memorandum. Except as described in the Pricing Disclosure Package and the Offering Memorandum, the Company does not own or control, directly or indirectly, any corporation,
association or other entity other than the subsidiaries listed on Schedule V hereto. 
 (m) The Company has the capitalization as set forth
under the heading “Capitalization” in each of the Pricing Disclosure Package and the Offering Memorandum as of the date or dates set forth therein, and all of the issued shares of capital stock of the Company have been duly authorized and
validly issued and are fully paid and non-assessable. All of the issued shares of capital stock or other ownership interest of each subsidiary of the Company have been duly authorized and validly issued, are
fully paid and non-assessable and are owned directly or indirectly by the Company other than as described in the Pricing Disclosure Package and the Offering Memorandum, free and clear of all liens,
encumbrances, equities or claims, except for such liens, encumbrances, equities or claims under the credit agreement that will govern the New Senior Secured Credit Facilities (as defined in the Pricing Disclosure Package and the Offering Memorandum)
or as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. 
 (n) The Company and each
Guarantor have all requisite corporate, partnership or limited liability company power and authority, as applicable, to execute, deliver and perform their respective obligations under the Indenture. The Indenture has been duly and validly authorized
by the Company and the Guarantors, and upon its execution and delivery and, assuming due authorization, execution and delivery by the Trustee, will constitute a valid and binding agreement of the Company and the Guarantors, enforceable against the
Company and the Guarantors in accordance with its terms, except as such enforceability may be limited by bankruptcy, fraudulent conveyance, insolvency, reorganization, moratorium, and other laws relating to or affecting creditors’ rights
generally and by general equitable principles (regardless of whether such enforceability is considered in a proceeding in equity or at law). No qualification of the Indenture under the Trust Indenture Act of 1939, as amended (the “Trust
Indenture Act”), is required in connection with the offer and sale of the Notes contemplated hereby or in connection with the Exempt Resales. The Indenture will conform in all material respects to the description thereof in each of the
Pricing Disclosure Package and the Offering Memorandum. 

  
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 (o) The Company has all requisite corporate power and authority to execute, issue, sell and
perform its obligations under the Notes. The Notes have been duly authorized by the Company and, when duly executed by the Company in accordance with the terms of the Indenture, assuming due authentication of the Notes by the Trustee, upon delivery
to the Initial Purchasers against payment therefor in accordance with the terms hereof, will be validly issued and delivered and will constitute valid and binding obligations of the Company entitled to the benefits of the Indenture, enforceable
against the Company in accordance with their terms, except as such enforceability may be limited by bankruptcy, fraudulent conveyance, insolvency, reorganization, moratorium, and other laws relating to or affecting creditors’ rights generally
and by general equitable principles (regardless of whether such enforceability is considered in a proceeding in equity or at law). The Notes will conform in all material respects to the description thereof in each of the Pricing Disclosure Package
and the Offering Memorandum. 
 (p) Each Guarantor has all requisite corporate, partnership or limited liability company power and
authority, as applicable, to execute, issue and perform its obligations under the Guarantees. The Guarantees have been duly and validly authorized by the Guarantors and when the Indenture is duly executed and delivered by the Guarantors in
accordance with its terms and upon the due execution, authentication and delivery of the Notes in accordance with the Indenture and the issuance of the Notes in the sale to the Initial Purchasers contemplated by this Agreement, will constitute valid
and binding obligations of the Guarantors, enforceable against the Guarantors in accordance with their terms, except as such enforceability may be limited by bankruptcy, fraudulent conveyance, insolvency, reorganization, moratorium, and other laws
relating to or affecting creditors’ rights generally and by general equitable principles (regardless of whether such enforceability is considered in a proceeding in equity or at law). The Guarantees will conform in all material respects to the
description thereof in each of the Pricing Disclosure Package and the Offering Memorandum. 
 (q) [Reserved] 

(r) [Reserved] 
 (s) The Company
and each Guarantor have all requisite corporate power to execute, deliver and perform their respective obligations under this Agreement. This Agreement has been duly and validly authorized, executed and delivered by the Company and the Guarantors.

 (t) The issuance and sale of the Notes and the Guarantees, the execution, delivery and performance by the Company and the Guarantors of
the Transaction Documents, the application of the proceeds from the sale of the Notes as described under “Use of Proceeds” in each of the Pricing Disclosure Package and the Offering Memorandum and the consummation of the transactions
contemplated hereby and thereby, will not (i) conflict with or result in a breach or violation of any of the terms or provisions of, impose any lien, charge or encumbrance upon any property or assets of the Company, the Guarantors or their
respective subsidiaries, or constitute a default under, any indenture, mortgage, deed of trust, loan agreement, license, lease or other agreement or instrument to which the Company, the Guarantors or any of their respective subsidiaries is a party
or by which the Company, the Guarantors or any of their respective subsidiaries is bound or to which any of the property or assets of the Company, the Guarantors or any of their respective subsidiaries is subject, (ii) result in any violation
of the provisions of the charter or by-laws (or similar organizational documents) of the Company, the Guarantors or any of their respective subsidiaries, or (iii) result in any violation of any statute or
any judgment, order, decree, rule or regulation of any court or governmental agency or body having jurisdiction over the Company, the Guarantors or any of their respective subsidiaries or any of their properties or assets, except, with respect to
clauses (i) and (iii), conflicts, defaults, breaches or violations that would not reasonably be expected to have a Material Adverse Effect. 

  
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 (u) No consent, approval, authorization or order of, or filing, registration or
qualification with any court or governmental agency or body having jurisdiction over the Company, the Guarantors or any of their respective subsidiaries or any of their properties or assets is required for the issue and sale of the Notes and the
Guarantees, the execution, delivery and performance by the Company and the Guarantors of the Transaction Documents, the application of the proceeds from the sale of the Notes as described under “Use of Proceeds” in each of the Pricing
Disclosure Package and the Offering Memorandum and the consummation of the transactions contemplated hereby and thereby, for such consents, approvals, authorizations, orders, filings,
registrations or qualifications as may be required under state securities or Blue Sky laws in connection with the purchase and distribution of the Notes by the Initial Purchasers, each of which has been obtained and is in full force and effect. 

(v) The historical financial statements (including the related notes) of the Company included in the Pricing Disclosure Package and the
Offering Memorandum present fairly in all material respects the financial condition, results of operations and cash flows of the Company and its subsidiaries, at the dates and for the periods indicated, and have been prepared in conformity with
accounting principles generally accepted in the United States (“GAAP”) applied on a consistent basis throughout the periods involved, except as otherwise stated therein. The summary financial information included in the
Pricing Disclosure Package and the Offering Memorandum present fairly in all material respects the information shown therein and, except as stated therein, have been compiled on a basis consistent with that of the audited financial statements
included therein. All disclosures contained in the Pricing Disclosure Package and the Offering Memorandum regarding “non-GAAP financial measures” (as such term is defined by the rules and regulations
of the Commission) comply in all material respects with Regulation G of the Exchange Act and Item 10 of Regulation S-K of the Securities Act, to the extent applicable. 

(w) The pro forma financial statements included in the Pricing Disclosure Package and the Offering Memorandum (the “Pro
Formas”) include assumptions that provide a reasonable basis for presenting the significant effects directly attributable to the transactions and events described therein, the related pro forma adjustments give appropriate effect to
those assumptions, and the pro forma adjustments reflect the proper application of those adjustments to the historical financial statement amounts in the Pro Formas included in the Pricing Disclosure Package. The Pro Formas included in the Pricing
Disclosure Package have been prepared in accordance with the Commission’s rules and guidance with respect to pro forma financial information to the extent applicable. The Pro Formas set forth in the Pricing Disclosure Package and the Offering
Memorandum have been prepared on the basis consistent with such historical financial statements, except for the pro forma adjustments specified therein, include all material adjustments to the historical financial data required by Rule 11-02 of Regulation S-X under the Securities Act to reflect the transactions and events described therein, and give effect to assumptions made on a reasonable basis and in
good faith and present fairly in all material respects the historical and proposed transactions contemplated in the Pro Formas. 

  
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 (x) PricewaterhouseCoopers LLP, who have certified certain financial statements of the
Company, whose report appears in the Pricing Disclosure Package and the Offering Memorandum and who have delivered the initial letter referred to in Section 7(f) hereof, are independent registered public accountants with respect to the Company
and its subsidiaries within the meaning of the Securities Act and the applicable rules and regulations adopted by the Commission and the Public Company Accounting Oversight Board. 

(y) The Company and its subsidiaries maintain systems of “internal control over financial reporting” (as defined in Rule 13a-15(f) of the Exchange Act) that comply with the requirements of the Exchange Act to the extent applicable and have been designed by, or under the supervision of, their respective principal executive and
principal financial officers, or persons performing similar functions, to provide reasonable assurance regarding the reliability of financial reporting and the preparation of financial statements for external purposes in accordance with GAAP. The
Company and its subsidiaries maintain internal accounting controls sufficient to provide reasonable assurance that (i) transactions are executed in accordance with management’s general or specific authorizations; (ii) transactions are
recorded as necessary to permit preparation of financial statements in conformity with GAAP and to maintain asset accountability; (iii) access to assets is permitted only in accordance with management’s general or specific authorization;
and (iv) the recorded accountability for assets is compared with the existing assets at reasonable intervals and appropriate action is taken with respect to any differences. Based on the Company’s most recent evaluation of its internal
controls over financial reporting pursuant to Rule 13a-15(c) of the Exchange Act, if applicable, there are no material weaknesses in the Company’s internal controls. The Company’s auditors and the
Board of Directors of the Company have been advised of: (i) all significant deficiencies and material weaknesses in the design or operation of internal controls over financial reporting which have adversely affected or are reasonably likely to
adversely affect the Company’s ability to record, process, summarize and report financial information; and (ii) any fraud, whether or not material, that involves management or other employees who have a significant role in the
Company’s internal controls over financial reporting. 
 (z) The Company and its subsidiaries maintain an effective system of
“disclosure controls and procedures” (as defined in Rule 13a-15(e) of the Exchange Act) that complies with the requirements of the Exchange Act to the extent applicable and that has been designed to
ensure that information required to be disclosed by the Company in reports that it files or submits under the Exchange Act is recorded, processed, summarized and reported within the time periods specified in the Commission’s rules and forms,
including controls and procedures designed to ensure that such information is accumulated and communicated to the Company’s management as appropriate to allow timely decisions regarding required disclosure. The Company and its subsidiaries have
carried out evaluations of the effectiveness of their disclosure controls and procedures as required by Rule 13a-15 of the Exchange Act to the extent applicable. 

(aa) Since the date of the most recent balance sheet of the Company and its consolidated subsidiaries reviewed or audited by
PricewaterhouseCoopers LLP, (i) the Company has not been advised of or become aware of (A) any significant deficiencies in the design or operation of internal controls, that could adversely affect the ability of the Company or any of its
subsidiaries to record, process, summarize and report financial data, or any material weaknesses in internal controls, or (B) any fraud, whether or not material, that involves management or other employees who have a significant role in the
internal controls of the Company and each of its subsidiaries; and (ii) there have been no significant changes in internal controls or in other factors that could significantly affect internal controls, including any corrective actions with
regard to significant deficiencies and material weaknesses. 

  
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 (bb) There is and has been no failure on the part of the Company or any of the
Company’s directors or officers, in their capacities as such, to comply with any applicable provision of the Sarbanes-Oxley Act of 2002, as amended and the rules and regulations promulgated in connection therewith (the “Sarbanes-Oxley
Act”), including Section 402 related to loans and Sections 302 and 906 related to certifications; 
 (cc) Since the date of the
latest audited financial statements included in the Pricing Disclosure Package and the Offering Memorandum, neither the Company, the Guarantors nor any of their respective subsidiaries has (i) sustained any loss or interference with its
business from fire, explosion, flood or other calamity, whether or not covered by insurance, or from any labor disturbance or dispute or court or governmental action, order or decree (whether domestic or foreign), (ii) issued or granted any
securities (other than pursuant to equity incentive plans or similar arrangements), (iii) incurred any liability or obligation, direct or contingent, other than liabilities and obligations that were incurred in the ordinary course of business,
(iv) entered into any transaction not in the ordinary course of business, and/or (v) declared or paid any dividend on its capital stock, and since such date, there has not been any change in the capital stock, partnership or limited
liability company interests, as applicable, or long-term debt of the Company, the Guarantors or any of their respective subsidiaries, or any adverse change, or any development involving a prospective adverse change, in or affecting the condition
(financial or otherwise), results of operations, properties, management or business of the Company and its subsidiaries, taken as a whole, in each case except as described in or contemplated by the Pricing Disclosure Package and the Offering
Memorandum or as would not, in the aggregate, reasonably be expected to have a Material Adverse Effect. 
 (dd) The Company, the Guarantors
and each of their respective subsidiaries has good and marketable title in fee simple to all real property and good and marketable title to all personal property owned by them (other than with respect to intellectual property, title to which is
addressed exclusively in Section 1(ff)), in each case free and clear of all liens, encumbrances and defects, except such liens, encumbrances and defects as are described in the Pricing Disclosure Package and the Offering Memorandum or would not
reasonably be expected, individually or in the aggregate, to have a Material Adverse Effect. All assets held under lease by the Company, the Guarantors or any of their respective subsidiaries are held by them under valid, subsisting and enforceable
leases, with such exceptions as would not reasonably be expected, individually or in the aggregate, to have a Material Adverse Effect. 

(ee) The Company and each of its subsidiaries have, and are operating in compliance with, such permits, licenses, franchises, certificates of
need and other approvals or authorizations of governmental or regulatory authorities (“Permits”) as are necessary under applicable law to own their properties and conduct their businesses in the manner described in the
Pricing Disclosure Package and the Offering Memorandum, except for any of the foregoing that would not, in the aggregate, reasonably be expected to have a Material Adverse Effect. The Company and each of its subsidiaries have fulfilled and performed
all of its obligations with respect to the Permits, and no event has occurred that allows, or after notice or lapse of time would 

  
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allow, revocation or termination thereof or results in any other impairment of the rights of the holder or any such Permits, except for any of the foregoing that would not reasonably be expected
to have a Material Adverse Effect. Neither the Company nor any of its subsidiaries has received written notice of any revocation or modification of any such Permits or has any reason to believe that any such Permits will not be renewed in the
ordinary course. 
 (ff) Except as would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect,
the Company and each of its subsidiaries own or possess adequate rights to use all patents, patent applications, trademarks, service marks, trade names, trademark registrations, service mark registrations and other source indicators, copyrights and
copyrightable works, licenses, know-how, inventions, domain names, software, systems, technology, proprietary or confidential information and all other intellectual property, industrial property and
proprietary rights (including trade secrets and other unpatented and/or unpatentable proprietary or confidential information, systems or procedures) used in the conduct of their respective businesses as currently conducted and in the manner
described in the Pricing Disclosure Package and the Offering Memorandum and have no reason to believe that the conduct of their respective businesses will conflict with, and have not received any written notice of any claim of conflict with, any
such rights of others. 
 (gg) Except as described in the Pricing Disclosure Package, there are no legal or governmental proceedings pending
to which the Company or any of its subsidiaries is a party or of which any property or assets of the Company or any of its subsidiaries is the subject that would, in the aggregate, reasonably be expected to have a Material Adverse Effect or would,
in the aggregate, reasonably be expected to have a material adverse effect on the performance by the Company and the Guarantors of their respective obligations under the Transaction Documents or the consummation of any of the transactions
contemplated hereby. To the Company’s and each Guarantors’ knowledge, no such proceedings are threatened or contemplated by governmental authorities or others. 

(hh) Neither the Company nor any of its subsidiaries (i) is in violation of its charter or
by-laws (or similar organizational documents), (ii) is in default, and no event has occurred that, with notice or lapse of time or both, would constitute such a default, in the due performance or observance of
any term, covenant, condition or other obligation contained in any indenture, mortgage, deed of trust, loan agreement, license or other agreement or instrument to which it is a party or by which it is bound or to which any of its properties or
assets is subject, (iii) is in violation of any law, statute or any order, rule or regulation of any court or governmental agency or body having jurisdiction over it or its property or assets or (iv) has failed to obtain any license,
permit, certificate, franchise or other governmental authorization or permit necessary to the ownership of its property or to the conduct of its business as described in the Pricing Disclosure Package and the Offering Memorandum, except in the case
of clauses (ii), (iii) and (iv), to the extent any such conflict, breach, violation, failure or default would not, individually or in the aggregate, reasonably be expected to have a Material Adverse Effect. 

  
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 (ii) The Company and each of its subsidiaries (i) are, and at all times prior hereto
were, in compliance with all laws, regulations, ordinances, rules, orders, judgments, decrees, permits or other legal requirements of any governmental authority, including without limitation any international, foreign, national, state, provincial,
regional, or local authority, relating to pollution, the protection of human health or safety, the environment, or natural resources, or to use, handling, storage, manufacturing, transportation, treatment, discharge, disposal or release of hazardous
or toxic substances or wastes, pollutants or contaminants (“Environmental Laws”) applicable to such entity, which compliance includes, without limitation, obtaining, maintaining and complying with all permits and
authorizations and approvals required by Environmental Laws to conduct their respective businesses, and (ii) have not received written notice or otherwise have knowledge of any actual or alleged violation of Environmental Laws, or of any actual
or potential liability for or other obligation concerning the presence, disposal or release of hazardous or toxic substances or wastes, pollutants or contaminants, except in the case of clause (i) or (ii) where such non-compliance, violation, liability, or other obligation would not, in the aggregate, reasonably be expected to have a Material Adverse Effect. Except as described in the Pricing Disclosure Package and the Offering
Memorandum, (x) there are no proceedings that are pending, or known to be contemplated, against the Company or any of its subsidiaries under Environmental Laws in which a governmental authority is also a party, other than such proceedings
regarding which it is reasonably believed no monetary sanctions of $300,000 or more will be imposed; (y) the Company, the Guarantors and their respective subsidiaries are not aware of any
issues regarding compliance with Environmental Laws, including any pending or proposed Environmental Laws, or liabilities or other obligations under Environmental Laws or concerning hazardous or toxic substances or wastes, pollutants or
contaminants, that would reasonably be expected to have a Material Adverse Effect on the capital expenditures, earnings or competitive position of the Company and its subsidiaries, and (z) none of the Company, the Guarantors and their
respective subsidiaries anticipates material capital expenditures relating to Environmental Laws. 
 (jj) The Company, the Guarantors and
each of their respective subsidiaries have filed all federal, state, local and foreign tax returns required to be filed through the date hereof, subject to permitted extensions, and have paid all taxes due and payable, except for taxes, if any, as
are being contested in good faith by appropriate proceedings and for which an appropriate reserve has been established in accordance with GAAP, and no tax deficiency has been determined adversely to the Company, the Guarantors or any of their
respective subsidiaries, nor does the Company or any Guarantor have any knowledge of any tax deficiencies that have been, or would reasonably be expected to be asserted against the Company, the Guarantors and each of their respective subsidiaries,
that would, in the aggregate, reasonably be expected to have a Material Adverse Effect. 
 (kk) Neither the Company, the Guarantors nor any
of their respective subsidiaries is, and after giving effect to the offer and sale of the Notes and the application of the proceeds therefrom as described under “Use of Proceeds” in each of the Pricing Disclosure Package and the Offering
Memorandum will be, an “investment company” or a company “controlled” by an “investment company” within the meaning of the Investment Company Act of 1940, as amended, and the rules and regulations of the Commission
thereunder. 
 (ll) The Company and its affiliates (including DTE Energy and its subsidiaries) have not taken, directly or indirectly, any
action designed to cause or result in, or that could reasonably be expected to cause or result in, or that has constituted the stabilization or manipulation of the price of any security of the Company or the Guarantors in connection with the
offering of the Notes. 

  
 11 

 (mm) Neither the Company nor any of its subsidiaries, nor any of the Company’s
affiliates (including DTE Energy and its subsidiaries) any director, officer, nor, to the knowledge of the Company and the Guarantors, after due inquiry, any agent, employee or other person acting on behalf of the Company, the Guarantors or any of
their respective subsidiaries, has in the course of its actions for, or on behalf of, the Company, the Guarantors or any of its subsidiaries: (i) made any unlawful contribution, gift or other unlawful expense relating to political activity;
(ii) made any direct or indirect bribe, kickback, rebate, payoff, influence payment or otherwise unlawfully provided anything of value to any “foreign official” (as defined in the U.S. Foreign Corrupt Practices Act of 1977, as amended
(collectively, the “FCPA”)) or domestic government official; or (iii) violated or is in violation of any provision of the FCPA, the Bribery Act 2010 of the United Kingdom, as amended (the “Bribery Act
2010”), or any other applicable anti-corruption or anti-bribery statute or regulation. The Company and its subsidiaries and, to the knowledge of the Company and the Guarantors, the Company’s affiliates (including DTE Energy and its
subsidiaries), have conducted their respective businesses in compliance with the FCPA, the Bribery Act 2010 and all other applicable anti-corruption and anti-bribery statutes or regulations, and have instituted and maintain policies and procedures
designed to ensure, and which are reasonably expected to ensure, continued compliance therewith. 
 (nn) The operations of the Company and
its subsidiaries are and have been conducted at all times in compliance with applicable financial recordkeeping and reporting requirements of the Currency and Foreign Transactions Reporting Act of 1970, as amended, the money laundering statutes of
all jurisdictions in which the Company and its subsidiaries conduct business, the rules and regulations thereunder and any related or similar rules, regulations or guidelines, that have been issued, administered or enforced by any governmental
agency having jurisdiction over the Company or any such subsidiary (collectively, the “Money Laundering Laws”) and no action, suit or proceeding by or before any court or governmental agency, authority or body or any
arbitrator or non-governmental authority involving the Company or any of its subsidiaries with respect to the Money Laundering Laws is pending or, to the knowledge of the Company and the Guarantors,
threatened. 
 (oo) Neither the Company nor any of its subsidiaries, any director, officer, nor, to the knowledge of the Company and the
Guarantors, after due inquiry, any agent, employee or affiliate (including DTE Energy and its subsidiaries) of the Company or any of its subsidiaries is: (i) currently subject to or the target of any sanctions administered or enforced by the
Office of Foreign Assets Control of the U.S. Treasury Department, the U.S. Department of State, the United Nations Security Council, the European Union, Her Majesty’s Treasury, or other relevant sanctions authority having jurisdiction over the
Company or any of its subsidiaries (collectively, “Sanctions”); or (ii) located, organized or resident in a country that is the subject or target of Sanctions (currently Cuba, Iran, North Korea, Syria and Crimea); and
the Company and the Guarantors will not directly or indirectly use the proceeds of the offering, or lend, contribute or otherwise make available such proceeds to any subsidiary, joint venture partner or other person or entity, for the purpose of
financing or facilitating the activities of any person, or in any country or territory, that at the time of such financing or facilitation and currently is the subject or target of Sanctions or in any other manner that will result in a violation by
any person (including any person participating in the transaction whether as an underwriter, advisor, investor or otherwise) of Sanctions. The Company, the Guarantors and their respective subsidiaries have not knowingly engaged in for the past five
years, are not now knowingly engaged in, and will not engage in, any dealings or transactions with any individual or entity, or in any country or territory, that at the time of the dealing or transaction, is or was the subject or target of
Sanctions. 

  
 12 

 (pp) The section entitled “Management’s Discussion and Analysis of Financial
Condition and Results of Operations—Critical Accounting Policies” set forth in the Preliminary Offering Memorandum contained in the Pricing Disclosure Package and the Offering Memorandum accurately and fully describes in all material
respects (i) the accounting policies that the Company believes are the most important in the portrayal of the Company’s financial condition and results of operations and that require management’s most difficult, subjective or complex
judgments; (ii) the judgments and uncertainties affecting the application of critical accounting policies; and (iii) the likelihood that materially different amounts would be reported under different conditions or using different
assumptions and an explanation thereof. 
 (qq) There are no contracts or other documents that would be required to be described in a
registration statement filed by the Company under the Securities Act that have not been described in the Pricing Disclosure Package and the Offering Memorandum. The statements made in the Pricing Disclosure Package and the Offering Memorandum,
insofar as they purport to constitute summaries of the terms of the contracts and other documents that are so described, constitute accurate summaries of the terms of such contracts and documents in all material respects. 

(rr) No relationship, direct or indirect, that would be required to be described in a registration statement of the Company pursuant to Item
404 of Regulation S-K, exists between or among the Company or any Guarantor and their respective subsidiaries, on the one hand, and the directors, officers, stockholders, customers or suppliers of the Company
or any Guarantor and their respective subsidiaries, on the other hand, that has not been described in the Pricing Disclosure Package and the Offering Memorandum. 

(ss) Except as described in the Pricing Disclosure Package and the Offering Memorandum, no labor disturbance by, or dispute with, the
employees of the Company or any of its subsidiaries exists or, to the knowledge of the Company or any Guarantor, is imminent such that it could reasonably be expected to have a Material Adverse Effect. 

(tt) None of the transactions contemplated by this Agreement (including, without limitation, the use of the proceeds from the sale of the
Notes), will violate or result in a violation of Section 7 of the Exchange Act, or any regulation promulgated thereunder, including, without limitation, Regulations T, U and X of the Board of Governors of the Federal Reserve System. 

(uu) Except as described in the Pricing Disclosure Package and the Offering Memorandum, the Company, the Guarantors and each of their
respective subsidiaries carry, or are covered by, insurance from insurers of recognized financial responsibility in such amounts and covering such risks as is adequate for the conduct of their respective businesses and the value of their respective
properties and as is customary for companies engaged in similar businesses in similar industries. All policies of insurance of the Company, the Guarantors and their respective subsidiaries are in full force and effect; the Company, the Guarantors
and each of their respective subsidiaries are in compliance with the terms of such policies in all material respects; and neither 

  
 13 

 
the Company, the Guarantors nor any of their respective subsidiaries has received written notice from any insurer or agent of such insurer that material capital improvements or other material
expenditures are required or necessary to be made in order to continue such insurance. Except as described in the Pricing Disclosure Package and the Offering Memorandum, there are no material claims by the Company, the Guarantors or any of their
respective subsidiaries under any such policy or instrument with respect to which any insurance company is denying liability or defending under a reservation of rights clause; and neither the Company, the Guarantors nor any such subsidiary has any
reason to believe that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage from similar insurers as may be necessary to continue its business at a cost that would not
reasonably be expected to have a Material Adverse Effect. 
 (vv) The Company has not taken any action or omitted to take any action (such
as issuing any press release relating to any Notes without an appropriate legend) which may result in the loss by any of the Initial Purchasers of the ability to rely on any stabilization safe harbor provided by the Financial Services Authority
under the Financial Services and Markets Act 2000 (the “FSMA”). 
 (ww) Except as would not, individual or in the
aggregate, reasonably be expected to have a Material Adverse Effect, (i) each “employee benefit plan” (within the meaning of Section 3(3) of the Employee Retirement Security Act of 1974, as amended
(“ERISA”)) for which the Company or any member of its “Controlled Group” (defined as any organization which is a member of a controlled group of corporations within the meaning of Section 414 of the Internal
Revenue Code of 1986, as amended (the “Code”)) would have any liability (each a “Plan”) has been maintained in compliance with its terms and with the requirements of all applicable statutes, rules and
regulations including ERISA and the Code; (ii) no prohibited transaction, within the meaning of Section 406 of ERISA or Section 4975 of the Code, has occurred with respect to any Plan excluding transactions effected pursuant to a
statutory or administrative exemption; (iii) with respect to each Plan subject to Title IV of ERISA (A) no “reportable event” (within the meaning of Section 4043(c) of ERISA) has occurred or is reasonably expected to occur,
(B) no failure to meet the minimum funding standard set forth in Sections 412 of the Code and 303 of ERISA, whether or not waived, has occurred or is reasonably expected to occur, (C) no Plan is or is reasonably expected to be in “at
risk” status (within the meaning of Section 430 of the Code or Section 303 of ERISA), (D) there has been no filing pursuant to Section 412(c) of the Code or Section 302(c) of ERISA of an application for a waiver of the
minimum funding standard with respect to any Plan or the receipt by the Company or any member of its Controlled Group from the PBGC or the Plan administrator of the notice relating to the intention to terminate any Plan or Plans or to appoint a
trustee to administer any Plan, (E) no conditions contained in Section 303(k)(1)(A) of ERISA for the imposition of a lien shall have been met with respect to any Plan, (F) the fair market value of the assets under each Plan exceeds
the present value of all benefits accrued under such Plan (determined based on those assumptions used to fund such Plan) and (G) neither the Company or any member of its Controlled Group has incurred, or reasonably expects to incur, any
liability under Title IV of ERISA (other than contributions to the Plan or premiums to the Pension Benefit Guaranty Corporation in the ordinary course and without default) in respect of a Plan (including a “multiemployer plan”, within the
meaning of Section 4001(c)(3) of ERISA) (“Multiemployer Plan”); (iv) no Multiemployer Plan is, or is expected to be, “insolvent” (within the meaning of Section 4245 of ERISA), or in “endangered”
or “critical” status (within the meaning of Section 432 of the Code or Section 304 of ERISA); and (v) each Plan that is intended to be qualified under Section 401(a) of the Code has received a favorable determination
letter from the Internal Revenue Service that it is so qualified and nothing has occurred, whether by action or by failure to act, which would cause the loss of such qualification. 

  
 14 

 (xx) No subsidiary of the Company is currently prohibited, directly or indirectly, from
paying any dividends to the Company, from making any other distribution on such subsidiary’s capital stock or other ownership interests, from repaying to the Company any loans or advances to such subsidiary from the Company or from transferring
any of such subsidiary’s property or assets to the Company or any other subsidiary of the Company, except as described in the Pricing Disclosure Package and the Offering Memorandum. 

(yy) The statistical and market-related data included in the Pricing Disclosure Package and the Offering Memorandum and “road show”
(as defined in Rule 433 under the Securities Act) are based on or derived from sources that the Company believes to be reliable in all material respects. 

(zz) Immediately after the consummation of the Transactions (as defined in the Pricing Disclosure Package and the Offering Memorandum), the
Company and the Guarantors, when taken together (the “Consolidated Entity”), will be Solvent. As used in this paragraph, the term “Solvent” means, with respect to a particular date, that on such date
(i) the present fair market value (or present fair saleable value) of the assets of the Consolidated Entity are not less than the total amount required to pay the probable liabilities of the Consolidated Entity on its total existing debts and
liabilities (including contingent liabilities) as they become absolute and matured, (ii) the Consolidated Entity is able to realize upon its assets and pay its debts and other liabilities, contingent obligations and commitments as they mature
and become due in the normal course of business, (iii) assuming the sale of the Notes as contemplated by this Agreement, the Pricing Disclosure Package and the Offering Memorandum and the Company’s entry into the Transaction Documents, the
Consolidated Entity is not incurring debts or liabilities beyond its ability to pay as such debts and liabilities mature, (iv) the Consolidated Entity is not engaged in, or about to engage in, any business or transaction, and is not about to
engage in any business or transaction, for which its property would constitute unreasonably small capital after giving due consideration to the prevailing practice in the industry in which the Company is engaged, and (v) neither the Company nor
any Guarantor is a defendant in any civil action that would result in a judgment that the Company or such Guarantor is or would become unable to satisfy. In computing the amount of such contingent liabilities at any time, it is intended that such
liabilities will be computed at the amount that, in the light of all the facts and circumstances existing at such time, represents the amount that can reasonably be expected to become an actual or matured liability. 

(aaa) Except as described in the Pricing Disclosure Package, there are no contracts, agreements or understandings between the Company, any
Guarantor and any person granting such person the right to require the Company or any Guarantor to file a registration statement under the Securities Act with respect to any securities of the Company or any Guarantor owned or to be owned by such
person or in any securities being registered pursuant to any other registration statement filed by the Company or any Guarantor under the Securities Act. 

  
 15 

 (bbb) Neither the Company nor any of its subsidiaries is a party to any contract, agreement
or understanding with any person (other than this Agreement) that could give rise to a valid claim against any of them or the Initial Purchasers for a brokerage commission, finder’s fee or like payment in connection with the offering and sale
of the Notes. 
 (ccc) Neither the Company nor any of its subsidiaries is in violation of or has received notice of any violation with
respect to any federal or state law relating to discrimination in the hiring, promotion or pay of employees, nor any applicable federal or state wage and hour laws, nor any state law precluding the denial of credit due to the neighborhood in which a
property is situated, the violation of any of which would reasonably be expected to have a Material Adverse Effect. 
 (ddd) The statements
set forth in each of the Pricing Disclosure Package and the Offering Memorandum under the caption “Description of Notes,” insofar as they purport to constitute a summary of the terms of the Notes and the Guarantees and under the captions
“Certain United States Federal Income Tax Considerations,” “Certain Relationships and Related Party Transactions” and “Description of Other Indebtedness”, insofar as they purport to summarize the provisions of the laws
and documents referred to therein, are accurate summaries in all material respects. 
 (eee) [Reserved] 

(fff) The Company and its subsidiaries’ information technology assets and equipment, computers, systems, networks, hardware, software,
websites, applications, and databases (collectively, “IT Systems”) are adequate in all material respects for, and Company and its subsidiaries have taken all technical and organizational measures materially necessary to
protect information technology and Personal Data (as defined below) used in connection with, the operation of the business of the Company and its subsidiaries as currently conducted, free and clear of all material bugs, errors, defects, Trojan
horses, time bombs, malware and other corruptants. The Company and its subsidiaries have implemented and maintained commercially reasonable controls, policies, procedures, and safeguards to maintain and protect their confidential information and the
integrity, continuous operation, redundancy and security of all IT Systems and data (including “personal data” as defined by the EU General Data Protection Regulations (“GDPR”) (EU 2016 679) and any personal,
personally identifiable, household, sensitive, confidential or regulated data (“Personal Data”)) used in connection with their businesses, and there have been no breaches, violations, outages or unauthorized uses of or
accesses to any IT System or Personal Data used in connection with the operation of the Company’s and its subsidiaries’ businesses. The Company and its subsidiaries are presently in material compliance with all applicable laws or statutes
and all judgments, orders, rules and regulations of any court or arbitrator or governmental or regulatory authority, internal policies and contractual obligations relating to the privacy and security of IT Systems and Personal Data and to the
protection of such IT Systems and Personal Data from unauthorized use, access, misappropriation or modification. 

  
 16 

 (ggg) The Company and each of its subsidiaries are, and at all prior times were, in
compliance with all applicable data privacy and security laws, statutes, judgements, orders, rules and regulations of any court or arbitrator or any other governmental or regulatory authority and all applicable laws regarding the collection, use,
transfer, export, storage, protection, disposal or disclosure by the Company and its subsidiaries of Personal Data collected from or provided by third parties (collectively, the “Privacy Laws”). The Company and its
subsidiaries have in place, comply with, and take commercially appropriate steps reasonably designed to (x) ensure compliance with its privacy policies, all third-party obligations and industry standards regarding Personal Data; and
(y) reasonably protect the security and confidentiality of all Personal Data (collectively, the “Policies”). At all times since inception, the Company has provided notice of its privacy policy on its websites, which
provides accurate and sufficient notice of Company’s then-current privacy practices relating to its subject matter and such privacy policies do not contain any material omissions of the Company’s then-current privacy practices. None of
such disclosures made or contained in the privacy policies have been inaccurate, misleading, deceptive or in violation of any Privacy Laws or Policies in any material respect. To the knowledge of the Company, the execution, delivery and performance
of this Agreement or any other agreement referred to in this Agreement will not result in a breach of violation of any Privacy Laws or Policies. Neither the Company nor any subsidiary: has received written notice of any actual or potential liability
under or relating to, or actual or potential violation of, any of the Privacy Laws and is unaware of any other facts that, individually or in the aggregate, would reasonably indicate non-compliance with any
Privacy Laws or Policies. To the Company’s knowledge, there is no action, suit or proceeding by or before any court or governmental agency, authority or body pending or threatened alleging the Company’s or any of its subsidiaries’ non-compliance with Privacy Laws or Policies. 
 (hhh) No forward looking statement (within the meaning of
Section 27A of the Securities Act and Section 21E of the Exchange Act) included in any of the Pricing Disclosure Package, the Offering Memorandum or any “road show” (as defined in Rule 433 under the Securities Act) has been made
or reaffirmed without a reasonable basis or has been disclosed other than in good faith. 
 Any certificate signed by any officer of the
Company or the Guarantor and delivered to the Representative or counsel for the Initial Purchasers in connection with the offering of the Notes shall be deemed a representation and warranty by the Company or such Guarantor, jointly and severally, as
to matters covered thereby, to each Initial Purchaser. 
 3. Purchase of the Notes by the Initial Purchasers, Agreements to Sell,
Purchase and Resell. 
 (a) The Company hereby agrees, on the basis of the representations, warranties, covenants and agreements of the
Initial Purchasers contained herein and subject to all the terms and conditions set forth herein, to issue and sell to the Initial Purchasers and, upon the basis of the representations, warranties and agreements of the Company and the Guarantors
herein contained and subject to all the terms and conditions set forth herein, each Initial Purchaser agrees, severally and not jointly, to purchase from the Company, at a purchase price of 98.750% of the principal amount thereof, plus accrued
interest from the Closing Date to the date of payment, if any, the principal amount of Notes set forth opposite the name of such Initial Purchaser in Schedule I hereto. The Company and the Guarantors shall not be obligated to deliver any of
the securities to be delivered hereunder except upon payment for all of the securities to be purchased as provided herein. 

  
 17 

 (b) Each of the Initial Purchasers, severally and not jointly, hereby represents and
warrants to the Company that it will offer the Notes for sale upon the terms and conditions set forth in this Agreement and in the Pricing Disclosure Package. Each of the Initial Purchasers, severally and not jointly, hereby represents and warrants
to, and agrees with, the Company, on the basis of the representations, warranties and agreements of the Company and the Guarantors, that such Initial Purchaser: (i) is a QIB with such knowledge and experience in financial and business matters
as is necessary in order to evaluate the merits and risks of an investment in the Notes; (ii) in connection with the Exempt Resales, will solicit offers to buy the Notes only from, and will offer to sell the Notes only to, the Eligible
Purchasers in accordance with this Agreement and on the terms contemplated by the Pricing Disclosure Package; and (iii) will not engage in any directed selling efforts within the meaning of Rule 902 under the Securities Act, in connection with
the offering of the Notes. The Initial Purchasers have advised the Company that they will offer the Notes to Eligible Purchasers at a price initially equal to 100.000% of the principal amount thereof, plus accrued interest, if any, from the date of
issuance of the Notes. Such price may be changed by the Initial Purchasers at any time without notice. 
 (c) The Initial Purchasers have
not, and prior to the later of (A) the Closing Date and (B) completion of the distribution of the Notes, will not, use, authorize use of, refer to or distribute any material in connection with the offering and sale of the Notes other than
(i) the Preliminary Offering Memorandum, the Pricing Disclosure Package and the Offering Memorandum, (ii) any written communication that contains either (x) no “issuer information” (as defined in Rule 433(h)(2) under the
Securities Act) or (y) “issuer information” that was included in the Preliminary Offering Memorandum or any Free Writing Offering Document listed on Schedule IV hereto, (iii) the Free Writing Offering Documents listed on Schedule IV
hereto, (iv) any written communication prepared by such Initial Purchaser and approved by the Company in writing, or (v) any written communication relating to, or that contains the terms of, the Notes and/or other information that was
included in the Preliminary Offering Memorandum, the Pricing Disclosure Package or the Offering Memorandum. 
 Each of the Initial
Purchasers understands that the Company and, for purposes of the opinions and negative assurance letters to be delivered to the Initial Purchasers pursuant to Sections 7(c) and 7(d) hereof, Bracewell LLP, as counsel to the Company and the
Guarantors, and counsel to the Initial Purchasers, will rely upon the accuracy and truth of the foregoing representations, warranties and agreements, and the Initial Purchasers hereby consent to such reliance. 

4. Delivery of the Notes and Payment Therefor. Delivery to the Initial Purchasers of and payment for the Notes shall be made at the
office of Simpson Thacher & Bartlett LLP, at 9:00 A.M., New York City time, on June 9, 2021 (the “Closing Date”). The place of closing for the Notes and the Closing Date may be varied by agreement between the
Initial Purchasers and the Company. 
 The Notes will be delivered to the Initial Purchasers, or the Trustee as custodian for The Depository
Trust Company (“DTC”), against payment by or on behalf of the Initial Purchasers of the purchase price therefor by wire transfer in immediately available funds, by causing DTC to credit the Notes to the account of the Initial
Purchasers at DTC, with any transfer taxes payable in connection with the sale of the Notes duly paid by the Company. The Notes will be evidenced by one or more global securities in definitive form (the “Global Notes”) and in
the name of Cede & 

  
 18 

 
Co. as nominee of DTC, and in the other cases, in such names and in such denominations as the Initial Purchasers shall request prior to 10:00 A.M., New York City time, on the second business day
preceding the Closing Date. The Notes to be delivered to the Initial Purchasers shall be made available to the Initial Purchasers in New York City for inspection and packaging not later than 10:00 A.M., New York City time, on the business day next
preceding the Closing Date. 
 5. Agreements of the Company and the Guarantors. The Company and the Guarantors, jointly and
severally, agree with each of the Initial Purchasers as follows: 
 (a) The Company and the Guarantors will furnish to the Initial
Purchasers, without charge, within one business day of the date of the Offering Memorandum, such number of copies of the Offering Memorandum as may then be amended or supplemented as they may reasonably request. 

(b) The Company and the Guarantors will prepare the Offering Memorandum in a form approved by the Initial Purchasers and will not make any
amendment or supplement to the Pricing Disclosure Package or to the Offering Memorandum of which the Initial Purchasers shall not previously have been advised or to which they shall reasonably object after being so advised. 

(c) The Company and each of the Guarantors consent to the use of the Pricing Disclosure Package and the Offering Memorandum in accordance with
the securities or Blue Sky laws of the jurisdictions in which the Notes are offered by the Initial Purchasers and by all dealers to whom Notes may be sold, in connection with the offering and sale of the Notes. 

(d) If, at any time prior to completion of the distribution of the Notes by the Initial Purchasers to Eligible Purchasers, any event occurs or
information becomes known that, in the judgment of the Company or any of the Guarantors or in the opinion of counsel for the Initial Purchasers, should be set forth in the Pricing Disclosure Package or the Offering Memorandum so that the Pricing
Disclosure Package or the Offering Memorandum, as then amended or supplemented, does not include any untrue statement of material fact or omit to state a material fact necessary in order to make the statements therein, in the light of the
circumstances under which they were made, not misleading, or if it is necessary to supplement or amend the Pricing Disclosure Package or the Offering Memorandum in order to comply with any law, the Company and the Guarantors will forthwith prepare
an appropriate supplement or amendment thereto, and will expeditiously furnish to the Initial Purchasers and dealers a reasonable number of copies thereof. 

(e) Neither the Company nor any Guarantor will make any offer to sell or solicitation of an offer to buy the Notes that would constitute a
Free Writing Offering Document without the prior consent of the Representative, which consent shall not be unreasonably withheld or delayed. If at any time following issuance of a Free Writing Offering Document any event occurred or occurs as a
result of which such Free Writing Offering Document conflicts with the information in the Preliminary Offering Memorandum, the Pricing Disclosure Package or the Offering Memorandum or, when taken together with the information in the Preliminary
Offering Memorandum, the Pricing Disclosure Package or the Offering Memorandum, includes an untrue statement of a material fact or omits to state any material fact necessary in order to make the 

  
 19 

 
statements therein, in the light of the circumstances then prevailing, not misleading, as promptly as practicable after becoming aware thereof, the Company will give notice thereof to the through
the Representative and, if requested by the Representative, will prepare and furnish without charge to each Initial Purchaser a Free Writing Offering Document or other document which will correct such conflict, statement or omission. 

(f) The Company will promptly take such actions as the Initial Purchasers may, from time to time, reasonably request to qualify the Notes for
offering and sale under the securities or Blue Sky laws of such jurisdictions as the Initial Purchasers may request and to comply with such laws so as to permit the continuance of sales and dealings therein in such jurisdictions for as long as may
be necessary to complete the distribution of the Notes; provided that in connection therewith the Company shall not be required to (i) qualify as a foreign corporation in any jurisdiction in which it would not otherwise be required to so
qualify, (ii) file a general consent to service of process in any such jurisdiction, or (iii) subject itself to taxation in any jurisdiction in which it would not otherwise be subject. 

(g) For a period commencing on the date hereof and ending on the 90th day after the date
of the Offering Memorandum, the Company and the Guarantors agree not to, directly or indirectly, (i) offer for sale, sell, or otherwise dispose of (or enter into any transaction or device that is designed to, or would be expected to, result in
the disposition by any person at any time in the future of) any debt securities of the Company substantially similar to the Notes or securities convertible into or exchangeable for such debt securities of the Company, or sell or grant options,
rights or warrants with respect to such debt securities of the Company or securities convertible into or exchangeable for such debt securities of the Company, (ii) enter into any swap or other derivatives transaction that transfers to another,
in whole or in part, any of the economic benefits or risks of ownership of such debt securities of the Company, whether any such transaction described in clause (i) or (ii) above is to be settled by delivery of debt securities of the Company or
other securities, in cash or otherwise, (iii) file or cause to be filed a registration statement, including any amendments, with respect to the registration of debt securities of the Company substantially similar to the Notes or securities
convertible, exercisable or exchangeable into debt securities of the Company (other than the filing of a universal shelf registration statement on Form S-3 but no sales thereunder), or (iv) publicly
announce an offering of any debt securities of the Company substantially similar to the Notes or securities convertible or exchangeable into such debt securities, in each case without the prior written consent of Barclays, on behalf of the Initial
Purchasers. For the avoidance of doubt, nothing contained in this Section 5(g) shall prohibit or in any way restrict, or be deemed to prohibit or in any way restrict, the issuance of the Notes pursuant to this Agreement, the issuance of any
Additional Notes of the same series in accordance with the terms of the Indenture or the New Senior Secured Credit Facilities (as defined in the Pricing Disclosure Package and the Offering Memorandum). 

(h) So long as any of the Notes are outstanding, the Company and the Guarantors will, at their expense, furnish to the Initial Purchasers,
and, upon request, furnish to the holders of the Notes and prospective purchasers of the Notes, the information required by Rule 144A(d)(4) under the Securities Act (if any). 

  
 20 

 (i) The Company will apply the net proceeds from the sale of the Notes to be sold by it
hereunder substantially in accordance with the description set forth in the Pricing Disclosure Package and the Offering Memorandum under the caption “Use of Proceeds.” 

(j) The Company, the Guarantors and their respective affiliates (including, prior to the Spin-Off, DTE
Energy and its subsidiaries) will not take, directly or indirectly, any action designed to or that has constituted or that reasonably could be expected to cause or result in the stabilization or manipulation of the price of any security of the
Company or the Guarantors in connection with the offering of the Notes. 
 (k) The Company and the Guarantors will use their best efforts to
permit the Notes to be eligible for clearance and settlement through DTC. 
 (l) The Company, the Guarantors and their respective affiliates
(including, prior to the Spin-Off, DTE Energy and its subsidiaries) will not, and will not permit any of their respective affiliates (as defined in Rule 144 under the Securities Act) to, resell any of the
Notes that have been acquired by any of them, except for Notes purchased by the Company, the Guarantors or any of their respective affiliates and resold in a transaction registered under the Securities Act. 

(m) The Company and the Guarantors agree not to sell, offer for sale or solicit offers to buy or otherwise negotiate in respect of any
security (as defined in the Securities Act) that would be integrated with the sale of the Notes in a manner that would require the registration under the Securities Act of the sale to the Initial Purchasers or the Eligible Purchasers of the Notes.

 (n) In connection with any offer or sale of the Notes, the Company, the Guarantors and any of their respective affiliates (including DTE
Energy and its subsidiaries) will not engage, and will cause their respective affiliates and any person acting on their behalf (other than, in any case, the Initial Purchasers and any of their affiliates, as to whom the Company and the Guarantors
make no covenant) not to engage (i) in any form of general solicitation or general advertising (within the meaning of Regulation D or any public offering within the meaning of Section 4(a)(2) of the Securities Act in connection with any
offer or sale of the Notes and/or (ii) in any directed selling effort with respect to the Notes within the meaning of Regulation S under the Securities Act, and to comply with the offering restrictions requirement of Regulation S of the
Securities Act. 
 (o) The Company and the Guarantors agree to comply with all agreements set forth in the representation letters of the
Company and the Guarantors to DTC relating to the approval of the Notes by DTC for “book entry” transfer. 
 (p) The Company and
the Guarantors will take all actions that are (i) required or necessary to be performed by them under this Agreement prior to the Closing Date, and (ii) required or necessary to satisfy all conditions precedent to the Initial
Purchasers’ obligations hereunder to purchase the Notes. 

  
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 6. Expenses. Whether or not the transactions contemplated by this Agreement are
consummated or this Agreement is terminated, the Company and the Guarantors, jointly and severally, agree to pay all expenses, costs, fees and taxes incident to and in connection with: (a) the preparation, printing, filing and distribution of the
Preliminary Offering Memorandum, the Pricing Disclosure Package and the Offering Memorandum (including, without limitation, financial statements and exhibits and one or more versions of the Preliminary Offering Memorandum and the Offering Memorandum
for distribution in Canada, including in the form of a Canadian “wrapper” (including related fees and expenses of Canadian counsel to the Initial Purchasers)) and all amendments and supplements thereto (including the fees, disbursements
and expenses of the Company’s and the Guarantors’ accountants and counsel, but not, however, legal fees and expenses of the Initial Purchasers’ counsel incurred in connection therewith); (b) the preparation, printing (including,
without limitation, word processing and duplication costs) and delivery of this Agreement, the Indenture and all other agreements, memoranda, correspondence and other documents printed and delivered in connection therewith and with the Exempt
Resales (including the legal fees and expenses of the Initial Purchasers’ counsel incurred in connection with any of the foregoing); (c) the issuance and delivery by the Company of the Notes, the issuance and delivery by the Guarantors of the
Guarantees and any taxes in connection therewith; (d) the preparation of any Blue Sky memoranda and the qualification of the Notes for offer and sale under the securities or Blue Sky laws of the several states and any foreign jurisdictions as
the Initial Purchasers may designate (including, without limitation, the reasonable fees and disbursements of the Initial Purchasers’ counsel relating to such registration or qualification); (e) the furnishing of such copies of the Preliminary
Offering Memorandum, the Pricing Disclosure Package and the Offering Memorandum, and all amendments and supplements thereto, as may be reasonably requested for use in connection with the Exempt Resales; (f) the preparation of certificates for
the Notes (including, without limitation, printing and engraving thereof); (g) the approval of the Notes by DTC for “book-entry” transfer; (h) the rating of the Notes; (i) the obligations of the Trustee, any agent of the Trustee
and the counsel for the Trustee in connection with the Indenture, the Notes, and the Guarantees; (j) the performance by the Company and the Guarantors of their other obligations under this Agreement; and (k) all travel expenses (including
expenses related to chartered aircraft) of each Initial Purchaser and the Company’s officers and employees and any other expenses of each Initial Purchaser and the Company in connection with attending or hosting meetings (including any
“road show” meetings) with prospective purchasers of the Notes and any electronic road show; provided, however, that the amount payable by the Company and the Guarantors for the fees and expenses of counsel to the Initial Purchasers
described in clauses (b) and (d) shall not exceed an aggregate of $15,000; provided, further, that except as specifically provided in this Section 6 and in Section 11, the Initial Purchasers shall pay their own costs and expenses,
including the costs and expenses of their counsel, and transfer taxes, if any, on resale of any of the Notes by them. 
 7. Conditions to
Initial Purchasers’ Obligations. The respective obligations of the Initial Purchasers hereunder are subject to the accuracy, when made and on and as of the Closing Date, of the representations and warranties of the Company and the
Guarantors contained herein, to the performance by the Company and the Guarantors of their respective obligations hereunder, and to each of the following additional terms and conditions: 

(a) The Initial Purchasers shall not have discovered and disclosed to the Company on or prior to the Closing Date that the Pricing Disclosure
Package, any Free Writing Offering Document or the Offering Memorandum, or any amendment or supplement thereto, contains an untrue statement of a fact which, in the opinion of Simpson Thacher & Bartlett LLP, counsel to the Initial
Purchasers, is material or omits to state a fact which, in the opinion of such counsel, is material and is necessary in order to make the statements therein, in the light of the circumstances then prevailing, not misleading. 

  
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 (b) All corporate proceedings and other legal matters incident to the authorization, form
and validity of the Transaction Documents, the Pricing Disclosure Package and the Offering Memorandum, and all other legal matters relating to this Agreement and the transactions contemplated hereby shall be reasonably satisfactory in all material
respects to counsel for the Initial Purchasers, and the Company and the Guarantors shall have furnished to such counsel all documents and information that they may reasonably request to enable them to pass upon such matters. 

(c) (i) Bracewell LLP shall have furnished to the Initial Purchasers its written opinion and negative assurance letter, as counsel to the
Company and the Guarantors, addressed to the Initial Purchasers and dated the Closing Date, in form and substance satisfactory to the Initial Purchasers, substantially in the form of Annex A hereto. 

(ii) Stevens & Lee shall have furnished to the Initial Purchasers its written opinion, as counsel to the Company regarding matters
of Pennsylvania state law, addressed to the Initial Purchasers and dated the Closing Date, in form and substance satisfactory to the Initial Purchasers, substantially in the form of Annex B hereto. 

(iii) Miller Johnson shall have furnished to the Initial Purchasers its written opinion, as counsel to the Company regarding matters of
Michigan state law, addressed to the Initial Purchasers and dated the Closing Date, in form and substance satisfactory to the Initial Purchasers, substantially in the form of Annex C hereto. 

(d) The Initial Purchasers shall have received from Simpson Thacher & Bartlett LLP, counsel for the Initial Purchasers, such opinion
or opinions and negative assurance letter, dated the Closing Date, with respect to the issuance and sale of the Notes, the Pricing Disclosure Package, the Offering Memorandum and other related matters as the Initial Purchasers may reasonably
require, and the Company shall have furnished to such counsel such documents and information as such counsel reasonably requests for the purpose of enabling them to pass upon such matters. 

(e) At the time of execution of this Agreement, the Initial Purchasers shall have received from PricewaterhouseCoopers LLP a letter, in form
and substance satisfactory to the Initial Purchasers, addressed to the Initial Purchasers and dated the date hereof (i) confirming that they are independent public accountants with respect to the Company and its subsidiaries within the meaning
of the Securities Act and the applicable rules and regulations adopted by the Commission and the Public Company Accounting Oversight Board and are in compliance with the applicable requirements relating to the qualification of accountants under Rule
2-01 of Regulation S-X of the Commission and (ii) stating, as of the date hereof (or, with respect to matters involving changes or developments since the respective
dates as of which specified financial information is given in the Pricing Disclosure Package, as of a date not more than three days prior to the date hereof), the conclusions and findings of such firm with respect to the financial information and
(iii) covering such other matters as are ordinarily covered by accountants’ “comfort letters” to underwriters in connection with registered public offerings. 

  
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 (f) With respect to the letter of PricewaterhouseCoopers LLP referred to in the preceding
paragraph and delivered to the Initial Purchasers concurrently with the execution of this Agreement (the “initial letter”), the Company shall have furnished to the Initial Purchasers a “bring-down letter” of such
accountants, addressed to the Initial Purchasers and dated the Closing Date (i) confirming that they are independent public accountants with respect to the Company and its subsidiaries within the meaning of the Securities Act and the applicable
rules and regulations adopted by the Commission and the Public Company Accounting Oversight Board and are in compliance with the applicable requirements relating to the qualification of accountants under Rule
2-01 of Regulation S-X of the Commission, (ii) stating, as of the Closing Date (or, with respect to matters involving changes or developments since the respective
dates as of which specified financial information is given in each of the Pricing Disclosure Package or the Offering Memorandum, as of a date not more than three days prior to the date of the Closing Date), the conclusions and findings of such firm
with respect to the financial information and other matters covered by the initial letter, and (iii) confirming in all material respects the conclusions and findings set forth in the initial letter. 

(g) (i) Neither the Company, any Guarantor nor any of their respective subsidiaries shall have sustained, since the date of the latest
audited financial statements included in the Pricing Disclosure Package and the Offering Memorandum, any loss or interference with its business from fire, explosion, flood or other calamity, whether or not covered by insurance, or from any labor
dispute or court or governmental action, order or decree, or (ii) since such date, there shall not have been any change in the capital stock, partnership or limited liability company interests, as applicable, or long-term debt of the Company,
any Guarantor or any of their respective subsidiaries, or any change, or any development involving a prospective change, in or affecting the condition (financial or otherwise), results of operations, properties, management or business of the
Company, the Guarantors and their respective subsidiaries, taken as a whole, the effect of which, in any such case described in clause (i) or (ii), is, individually or in the aggregate, in the judgment of Barclays, so material and adverse as to
make it impracticable or inadvisable to proceed with the offering, sale or the delivery of the Notes being delivered on the Closing Date on the terms and in the manner contemplated in the Pricing Disclosure Package and the Offering Memorandum. 

(h) The Company and each Guarantor shall have furnished or caused to be furnished to the Initial Purchasers dated as of the Closing Date a
certificate of the Chief Executive Officer and Chief Financial Officer of the Company and each Guarantor, or other officers satisfactory to the Initial Purchasers, as to such matters as the Representative may reasonably request, including, without
limitation, a statement: 
 (i) That the representations, warranties and agreements of the Company and the Guarantors in
Section 2 are true and correct on and as of the Closing Date, and that the Company has complied with all its agreements contained herein and satisfied all the conditions on its part to be performed or satisfied hereunder at or prior to the
Closing Date; 

  
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 (ii) That they have examined the Pricing Disclosure Package and the Offering
Memorandum, and that in their opinion, (A) the Pricing Disclosure Package, as of the Applicable Time, and the Offering Memorandum, as of its date and as of the Closing Date, did not and do not contain any untrue statement of a material fact or
omit to state a material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading and (B) since the date of the Pricing Disclosure Package and the Offering Memorandum, no event
has occurred which should have been set forth in a supplement or amendment to the Pricing Disclosure Package and the Offering Memorandum; and 

(iii) To the effect of Section 7(g) (provided that no representation with respect to the judgment of Barclays need
be made) and Section 7(i). 
 (i) Subsequent to the earlier of the Applicable Time and the execution and delivery of this Agreement
there shall not have occurred any of the following: (i) a downgrade in the rating accorded the Company’s securities by any “nationally recognized statistical rating
organization,” as that term is used by the Commission in Section 15E under the Exchange Act, or (ii) a public announcement by such organization that it has under surveillance or review, with possible negative implications, its rating
of any of the Company’s securities. 
 (j) The Notes shall be eligible for clearance and settlement through DTC. 

(k) The Company, the Guarantors and the Trustee shall have executed and delivered the Indenture, and the Initial Purchasers shall have
received a copy thereof, duly executed by the Company, the Guarantors and the Trustee. 
 (l) Subsequent to the earlier of the Applicable
Time and the execution and delivery of this Agreement there shall not have occurred any of the following: (i) (A) trading in securities generally on any securities exchange that has registered with the Commission under Section 6 of the
Exchange Act (including the New York Stock Exchange, The Nasdaq Global Select Market, The Nasdaq Global Market or The Nasdaq Capital Market), or (B) trading in any securities of the Company on any exchange or in the over-the-counter market, shall have been suspended or materially limited or the settlement of such trading generally shall have been materially disrupted or minimum prices
shall have been established on any such exchange or such market by the Commission, by such exchange or by any other regulatory body or governmental authority having jurisdiction, (ii) a general moratorium on commercial banking activities shall
have been declared by federal or state authorities, (iii) the United States shall have become engaged in hostilities, there shall have been an escalation in hostilities involving the United States or there shall have been a declaration of a
national emergency or war by the United States, or (iv) there shall have occurred such a material adverse change in general economic, political or financial conditions, including, without limitation, as a result of terrorist activities after
the date hereof (or the effect of international conditions on the financial markets in the United States shall be such), or any other calamity or crisis, either within or outside the United States, in each case, as to make it, in the judgment of
Barclays, impracticable or inadvisable to proceed with the offering, sale or delivery of the Notes being delivered on the Closing Date on the terms and in the manner contemplated in the Offering Memorandum. 

  
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 (m) There shall exist at and as of the Closing Date no condition that would constitute a
default (or an event that with notice or the lapse of time, or both, would constitute a default) under the Indenture or a material breach under any other Transaction Document as in effect at the Closing Date (or an event that with notice or lapse of
time, or both, would constitute such a default or material breach). 
 (n) [Reserved] 

(o) On or prior to the Closing Date, the Company and the Guarantors shall have furnished to the Initial Purchasers such further certificates
and documents as the Initial Purchasers may reasonably request. 
 All opinions, letters, evidence and certificates mentioned above or
elsewhere in this Agreement shall be deemed to be in compliance with the provisions hereof only if they are in form and substance satisfactory to counsel for the Initial Purchasers. 

8. Indemnification and Contribution. 

(a) The Company and each Guarantor, hereby agree, jointly and severally, to indemnify and hold harmless each Initial Purchaser, its
affiliates, directors, officers and employees and each person, if any, who controls any Initial Purchaser within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act, from and against any loss, claim, damage or
liability, joint or several, or any action in respect thereof (including, but not limited to, any loss, claim, damage, liability or action relating to purchases and sales of Notes), to which that Initial Purchaser, affiliate, director, officer,
employee or controlling person may become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action arises out of, or is based upon, (i) any untrue statement or alleged untrue statement of a
material fact contained in any (A) Free Writing Offering Document, the Preliminary Offering Memorandum, the Pricing Disclosure Package or the Offering Memorandum or in any amendment or supplement thereto, (B) Blue Sky application or other
document prepared or executed by the Company or any Guarantor (or based upon any written information furnished by the Company or any Guarantor) specifically for the purpose of qualifying any or all of the Notes under the securities laws of any state
or other jurisdiction (any such application, document or information being hereinafter called a “Blue Sky Application”), or (C) materials or information provided to investors by, or with the approval of, the Company or
any Guarantor in connection with the marketing of the offering of the Notes (“Marketing Materials”), including any road show or investor presentations (including, without limitation, any of the documents listed on Schedule
IV(B) hereto) made to investors by the Company (whether in person or electronically), or (ii) the omission or alleged omission to state in any Free Writing Offering Document, the Preliminary Offering Memorandum, the Pricing Disclosure Package
or the Offering Memorandum, or in any amendment or supplement thereto, or in any Blue Sky Application or in any Marketing Materials, any material fact necessary in order to make the statements therein, in the light of the circumstances under which
they were made, not misleading, and shall reimburse each Initial Purchaser and each such affiliate, director, officer, employee or controlling person promptly upon demand for any legal or other documented out-of-pocket expenses reasonably incurred by that Initial Purchaser, affiliate, director, officer, employee or controlling person in connection with investigating or defending or preparing to defend against
any such loss, claim, damage, liability or action as such expenses are incurred; provided, however, that the Company and the Guarantors shall not be liable in any such case to the extent that any such loss, claim, damage, liability or
action arises out of, or is based upon, any untrue statement or alleged untrue statement or omission or alleged omission made in any Preliminary Offering 

  
 26 

 
Memorandum, the Pricing Disclosure Package or Offering Memorandum, or in any such amendment or supplement thereto, or in any Blue Sky Application or in any Marketing Materials, in reliance upon
and in conformity with written information concerning such Initial Purchaser furnished to the Company through the Representative by or on behalf of any Initial Purchaser specifically for inclusion therein, which information consists solely of the
information specified in Section 8(e). The foregoing indemnity agreement is in addition to any liability that the Company or the Guarantors may otherwise have to any Initial Purchaser or to any affiliate, director, officer, employee or
controlling person of that Initial Purchaser. 
 (b) Each Initial Purchaser, severally and not jointly, hereby agrees to indemnify and hold
harmless the Company, each Guarantor, their respective officers and employees, each of their respective directors, and each person, if any, who controls the Company or any Guarantor within the meaning of Section 15 of the Securities Act or
Section 20 of the Exchange Act, from and against any loss, claim, damage or liability, joint or several, or any action in respect thereof, to which the Company, any Guarantor or any such director, officer, employee or controlling person may
become subject, under the Securities Act or otherwise, insofar as such loss, claim, damage, liability or action arises out of, or is based upon, (i) any untrue statement or alleged untrue statement of a material fact contained in any
(A) Free Writing Offering Document, Preliminary Offering Memorandum, the Pricing Disclosure Package or the Offering Memorandum or in any amendment or supplement thereto, (B) Blue Sky Application, or (C) Marketing Materials, or
(ii) the omission or alleged omission to state in any Free Writing Offering Document, Preliminary Offering Memorandum, the Pricing Disclosure Package or the Offering Memorandum, or in any amendment or supplement thereto, or in any Blue Sky
Application or in any Marketing Materials any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made, not misleading, but in each case only to the extent that the untrue
statement or alleged untrue statement or omission or alleged omission was made in reliance upon and in conformity with written information concerning such Initial Purchaser furnished to the Company through the Representative by or on behalf of that
Initial Purchaser specifically for inclusion therein, which information is limited to the information set forth in Section 8(e). The foregoing indemnity agreement is in addition to any liability that any Initial Purchaser may otherwise have to
the Company, any Guarantor or any such director, officer, employee or controlling person. 
 (c) Promptly after receipt by an indemnified
party under this Section 8 of notice of any claim or the commencement of any action, the indemnified party shall, if a claim in respect thereof is to be made against the indemnifying party under this Section 8, notify the indemnifying
party in writing of the claim or the commencement of that action; provided, however, that the failure to notify the indemnifying party shall not relieve it from any liability that it may have under paragraphs (a) or (b) above
except to the extent it has been materially prejudiced (through the forfeiture of substantive rights or defenses) by such failure and; provided, further, that the failure to notify the indemnifying party shall not relieve the
indemnifying party from any liability that it may have to an indemnified party otherwise than under paragraphs (a) or (b) above. If any such claim or action shall be brought against an indemnified party, and it shall notify the indemnifying
party thereof, the indemnifying party shall be entitled to participate therein and, to the extent that it wishes, jointly with any other similarly notified indemnifying party, to assume the defense thereof with counsel reasonably satisfactory to the
indemnified party. After notice from the indemnifying party to the indemnified party of its election to assume the defense of such claim or 

  
 27 

 
action, the indemnifying party shall not be liable to the indemnified party under this Section 8 for any legal or other expenses subsequently incurred by the indemnified party in connection
with the defense thereof other than reasonable and documented out-of-pocket costs of investigation; provided, however, that the indemnified party shall
have the right to employ counsel to represent jointly the indemnified party and those other indemnified parties and their respective directors, officers, employees and controlling persons who may be subject to liability arising out of any claim in
respect of which indemnity may be sought under this Section 8, if (i) the indemnified party and the indemnifying party shall have so mutually agreed; (ii) the indemnifying party has failed within a reasonable time to retain counsel
reasonably satisfactory to the indemnified party; (iii) the indemnified party and its directors, officers, employees and controlling persons shall have reasonably concluded that there may be legal defenses available to them that are different
from or in addition to those available to the other indemnified parties; or (iv) the named parties in any such proceeding (including any impleaded parties) include both the indemnified parties or their respective directors, officers, employees
or controlling persons, on the one hand, and the indemnifying party, on the other hand, and representation of both sets of parties by the same counsel would be inappropriate due to actual or potential differing interests between them, and in any
such event the reasonable and documented fees and expenses of such separate counsel shall be paid by the indemnifying party. It is understood and agreed that the indemnifying party shall not, in connection with any action or claims or related action
or claim in the same jurisdiction, be liable for the fees and expenses of more than one separate firm (in addition to any local counsel) for all indemnified parties. No indemnifying party shall (x) without the prior written consent of the
indemnified parties (which consent shall not be unreasonably withheld, conditioned or delayed), settle or compromise or consent to the entry of any judgment with respect to any pending or threatened claim, action, suit or proceeding in respect of
which indemnification or contribution may be sought hereunder (whether or not the indemnified parties are actual or potential parties to such claim or action) unless such settlement, compromise or consent includes an unconditional release of each
indemnified party from all liability arising out of such claim, action, suit or proceeding and does not include a statement as to, or an admission of fault, culpability or a failure to act by or on behalf of any indemnified party, or (y) be
liable for any settlement of any such action effected without its written consent (which consent shall not be unreasonably withheld, conditioned or delayed), but if settled with the consent of the indemnifying party or if there be a final judgment
for the plaintiff in any such action, the indemnifying party agrees to indemnify and hold harmless any indemnified party from and against any loss or liability by reason of such settlement or judgment in accordance with this Agreement.
Notwithstanding the foregoing sentence, if at any time an indemnified party shall have requested an indemnifying party to reimburse the indemnified party for reasonable and documented fees and expenses of counsel as contemplated by Section 8(a)
or (b) hereof, the indemnifying party agrees that it shall be liable for any settlement of any proceeding effected without its written consent if (i) such settlement is entered into more than 30 days after receipt by such indemnifying
party of the aforesaid request and (ii) such indemnifying party shall not have reimbursed the indemnified party in accordance with such request or disputed in good faith the indemnified party’s entitlement to such reimbursement prior to
the date of such settlement. 

  
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 (d) If the indemnification provided for in this Section 8 shall for any reason be
unavailable to or insufficient to hold harmless an indemnified party under Section 8(a) or 8(b) in respect of any loss, claim, damage or liability, or any action in respect thereof, referred to therein, then each indemnifying party shall, in
lieu of indemnifying such indemnified party, contribute to the amount paid or payable by such indemnified party as a result of such loss, claim, damage or liability, or action in respect thereof, (i) in such proportion as shall be appropriate
to reflect the relative benefits received by the Company and the Guarantors, on the one hand, and the Initial Purchasers, on the other hand, from the offering of the Notes, or (ii) if the allocation provided by clause (i) above is not
permitted by applicable law, in such proportion as is appropriate to reflect not only the relative benefits referred to in clause (i) above but also the relative fault of the Company and the Guarantors, on the one hand, and the Initial
Purchasers, on the other hand, with respect to the statements or omissions that resulted in such loss, claim, damage or liability, or action in respect thereof, as well as any other relevant equitable considerations. The relative benefits received
by the Company and the Guarantors, on the one hand, and the Initial Purchasers, on the other hand, with respect to such offering shall be deemed to be in the same proportion as the total net proceeds from the offering of the Notes purchased under
this Agreement (before deducting expenses) received by the Company and the Guarantors, on the one hand, and the total discounts and commissions received by the Initial Purchasers with respect to the Notes purchased under this Agreement, on the other
hand, bear to the total gross proceeds from the offering of the Notes under this Agreement as set forth on the cover page of the Offering Memorandum. The relative fault shall be determined by reference to whether the untrue or alleged untrue
statement of a material fact or omission or alleged omission to state a material fact relates to information supplied by the Company, the Guarantors, or the Initial Purchasers, the intent of the parties and their relative knowledge, access to
information and opportunity to correct or prevent such statement or omission. For purposes of the preceding two sentences, the net proceeds deemed to be received by the Company shall be deemed to be also for the benefit of the Guarantors, and
information supplied by the Company shall also be deemed to have been supplied by the Guarantors. The Company, the Guarantors, and the Initial Purchasers agree that it would not be just and equitable if contributions pursuant to this
Section 8(d) were to be determined by pro rata allocation (even if the Initial Purchasers were treated as one entity for such purpose) or by any other method of allocation that does not take into account the equitable considerations referred to
herein. The amount paid or payable by an indemnified party as a result of the loss, claim, damage or liability, or action in respect thereof, referred to above in this Section 8(d) shall be deemed to include, for purposes of this
Section 8(d), any documented out-of-pocket legal or other expenses reasonably incurred by such indemnified party in connection with investigating or defending any
such action or claim. Notwithstanding the provisions of this Section 8(d), no Initial Purchaser shall be required to contribute any amount in excess of the amount by which the total discounts and commissions received by such Initial Purchaser
with respect to the offering of the Notes exceeds the amount of any damages that such Initial Purchaser has otherwise been required to pay by reason of such untrue or alleged untrue statement or omission or alleged omission. No person guilty of
fraudulent misrepresentation (within the meaning of Section 11(f) of the Securities Act) shall be entitled to contribution from any person who was not guilty of such fraudulent misrepresentation. The Initial Purchasers’ obligations to
contribute as provided in this Section 8(d) are several in proportion to their respective purchase obligations and not joint. 
 (e)
The Initial Purchasers severally confirm and the Company and the Guarantors acknowledge and agree that the statements with respect to the offering of the Notes by the Initial Purchasers set forth in the second and third sentences of the second
paragraph, the fourth and fifth sentences of the fifth paragraph, the first and second sentences of the seventh paragraph and the fourth sentence of the eighth paragraph under the caption “Plan of distribution” in the Preliminary Offering
Memorandum and the Offering Memorandum are correct and constitute the only information concerning such Initial Purchasers furnished in writing to the Company or any Guarantor by or on behalf of the Initial Purchasers specifically for inclusion in
the Preliminary Offering Memorandum, the Pricing Disclosure Package and the Offering Memorandum, in any amendment or supplement thereto, or in any Blue Sky Application or Marketing Materials. 

  
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 9. Defaulting Initial Purchasers. 

(a) If, on the Closing Date, any Initial Purchaser defaults on its obligations to purchase the Notes that it has agreed to purchase under this
Agreement, the remaining non-defaulting Initial Purchasers may in their discretion arrange for the purchase of such Notes by the non-defaulting Initial Purchasers or
other persons satisfactory to the Company on the terms contained in this Agreement. If, within 36 hours after any such default by any Initial Purchaser, the non-defaulting Initial Purchasers do not arrange for
the purchase of such Notes, then the Company shall be entitled to a further period of 36 hours within which to procure other persons satisfactory to the non-defaulting Initial Purchasers to purchase the Notes
on such terms. In the event that within the respective prescribed periods, the non-defaulting Initial Purchasers notify the Company that they have so arranged for the purchase of such Notes, or the Company
notifies the non-defaulting Initial Purchasers that it has so arranged for the purchase of such Notes, either the non-defaulting Initial Purchasers or the Company may
postpone the Closing Date for up to seven full business days in order to effect any changes that, in the opinion of counsel for the Company and the Guarantors or counsel for the Initial Purchasers, may be necessary in the Pricing Disclosure Package,
the Offering Memorandum or in any other document or arrangement, and the Company agrees to promptly prepare any amendment or supplement to the Pricing Disclosure Package or the Offering Memorandum that effects any such changes. For all purposes in
this Agreement, unless the context requires otherwise, the term “Initial Purchaser” includes any party not listed in Schedule I hereto that, pursuant to this Section 9, purchases Notes that a defaulting Initial Purchaser agreed, but
subsequently failed, to purchase. 
 (b) If, after giving effect to any arrangements for the purchase of the Notes of a defaulting Initial
Purchaser or Initial Purchasers by the non-defaulting Initial Purchasers and the Company as provided in paragraph (a) above, the aggregate principal amount of such Notes that remains unpurchased does not
exceed one-eleventh of the aggregate principal amount of all the Notes, then the Company shall have the right to require each non-defaulting Initial Purchaser to
purchase the principal amount of Notes that such Initial Purchaser agreed to purchase hereunder plus such Initial Purchaser’s pro rata share (based on the principal amount of Notes that such Initial Purchaser agreed to purchase
hereunder) of the Notes of such defaulting Initial Purchaser or Initial Purchasers for which such arrangements have not been made; provided, however, that the non-defaulting Initial
Purchasers shall not be obligated to purchase more than 110% of the aggregate principal amount of Notes that they agreed to purchase on the Closing Date pursuant to the terms of Section 3. 

(c) If, after giving effect to any arrangements for the purchase of the Notes of a defaulting Initial Purchaser or Initial Purchasers by the non-defaulting Initial Purchasers and the Company as provided in paragraph (a) above, the aggregate principal amount of such Notes that remains unpurchased exceeds
one-eleventh of the aggregate principal amount of all the Notes, or if the Company shall not exercise the right described in paragraph (b) above, then this Agreement shall terminate without liability on
the part of the non-defaulting Initial Purchasers. Any termination of this Agreement pursuant to this Section 9 shall be without liability on the part of the Company or the Guarantors, except that the
Company and each of the Guarantors will continue to be liable for the payment of expenses as set forth in Sections 6 and 11 and except that the provisions of Section 8 shall not terminate and shall remain in effect. 

  
 30 

 (d) Nothing contained herein shall relieve a defaulting Initial Purchaser of any liability
it may have to the Company, the Guarantors or any non-defaulting Initial Purchaser for damages caused by such Initial Purchaser’s default. 

10. Termination. The obligations of the Initial Purchasers hereunder may be terminated by the Initial Purchasers by notice given to and
received by the Company prior to delivery of and payment for the Notes if, prior to that time, any of the events described in Sections 7(g), (i) or (l) shall have occurred or if the Initial Purchasers shall decline to purchase the Notes for any
reason permitted under this Agreement. 
 11. Reimbursement of Initial Purchasers’ Expenses. If (a) the Company for any
reason fails to tender the Notes for delivery to the Initial Purchasers, or (b) the Initial Purchasers decline to purchase the Notes for any reason permitted under this Agreement, the Company and the Guarantors shall reimburse the Initial
Purchasers for all reasonable out-of-pocket expenses (including fees and disbursements of counsel for the Initial Purchasers) incurred by the Initial Purchasers in
connection with this Agreement and the proposed purchase of the Notes, and upon demand the Company and the Guarantors shall pay the full amount thereof to the Initial Purchasers. If this Agreement is terminated pursuant to Section 9 by reason
of the default of one or more Initial Purchasers, the Company and the Guarantors shall not be obligated to reimburse any defaulting Initial Purchaser on account of those expenses. 

12. Notices, etc. All statements, requests, notices and agreements hereunder shall be in writing, and: 

(a) if to the Initial Purchasers, shall be sent by hand delivery, mail, overnight courier or facsimile transmission to: 

Barclays Capital Inc. 
 745
Seventh Avenue 
 New York, NY 10019 

Attention: Syndicate Registration 

Facsimile: (646) 834-8133 

with a copy to: 
 Simpson
Thacher & Bartlett LLP 
 425 Lexington Avenue 

New York, NY 10017 
 Attention:
Kenneth Wallach and Hui Lin 
 Facsimile: 212-455-2502 

  
 31 

 and with a copy, in the case of any notice pursuant to 

Section 8(c), to the Director of Litigation: 

Barclays Capital Inc. 
 745
Seventh Avenue 
 New York, NY 10019 

Attention: Office of the General Counsel 

(b) if to the Company or any Guarantor, shall be sent by hand delivery, mail, overnight courier or facsimile transmission to: 

DT Midstream, Inc. 
 One Energy
Plaza 
 Detroit, MI 48226-1279 

Attention: Daniel J. Wood, Assistant Treasurer 

with a copy to: 

Bracewell LLP 
 711 Louisiana
Street, Suite 2300 
 Houston, TX 77002-2770 

Attention: William Anderson 

Facsimile: 713-437-5370 

Any such statements, requests, notices or agreements shall take effect at the time of receipt thereof. The Company shall be entitled to act
and rely upon any request, consent, notice or agreement given or made on behalf of the Initial Purchasers by Barclays. 
 13. Persons
Entitled to Benefit of Agreement. This Agreement shall inure to the benefit of and be binding upon the Initial Purchasers, the Company, the Guarantors and their respective successors. This Agreement and the terms and provisions hereof are for
the sole benefit of only those persons, except that the (i) indemnity agreement of the Company and the Guarantors contained in Section 8(a) of this Agreement shall also be deemed to be for the benefit of affiliates, directors, officers and
employees of the Initial Purchasers and each person or persons, if any, controlling any Initial Purchaser within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act and (ii) the indemnity agreement of the
Initial Purchasers contained in Section 8(b) of this Agreement shall also be deemed to be for the benefit of directors, officers and employees of the Company and the Guarantors and each person or persons, if any, controlling the Company or any
Guarantor within the meaning of Section 15 of the Securities Act or Section 20 of the Exchange Act. Nothing in this Agreement is intended or shall be construed to give any person, other than the persons referred to in this Section 13,
any legal or equitable right, remedy or claim under or in respect of this Agreement or any provision contained herein. 

  
 32 

 14. Survival. The respective indemnities, rights of contribution, representations,
warranties and agreements of the Company, the Guarantors and the Initial Purchasers contained in this Agreement or made by or on behalf of them, respectively, pursuant to this Agreement, shall survive the delivery of and payment for the Notes and
shall remain in full force and effect, regardless of any termination of this Agreement or any investigation made by or on behalf of any of them or any person controlling any of them. 

15. Definition of the Terms “Business Day”, “Affiliate”, and “Subsidiary”. For purposes of this
Agreement, (a) “business day” means any day on which the New York Stock Exchange, Inc. is open for trading, and (b) “affiliate” and “subsidiary” have the meanings set forth in Rule 405 under the Securities Act. 

16. Governing Law & Venue. This Agreement and any transaction contemplated by this Agreement and any claim,
controversy or dispute arising under or related to this Agreement shall be governed by, and construed in accordance with, the laws of the State of New York without regard to conflict of laws principles that would result in the application of any
other law than the laws of the State of New York (other than Section 5-1401 of the General Obligations Law). The Company, each of the Guarantors and each of the Initial Purchasers agree
that any suit, action or proceeding arising out of or based upon this Agreement or the transactions contemplated hereby may be instituted in any State or U.S. federal court in The City of New York and County of New York, and waives any objection
that such party may now or hereafter have to the laying of venue of any such proceeding, and irrevocably submits to the exclusive jurisdiction of such courts in any suit, action or proceeding. 

17. Waiver of Jury Trial. The Company and each of the Initial Purchasers hereby irrevocably waives, to the fullest extent permitted by
applicable law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Agreement or the transactions contemplated hereby. 

18. No Fiduciary Duty. The Company and the Guarantors acknowledge and agree that in connection with this offering, or any other
services the Initial Purchasers may be deemed to be providing hereunder, notwithstanding any preexisting relationship, advisory or otherwise, between the parties or any oral representations or assurances previously or subsequently made by the
Initial Purchasers: (a) no fiduciary or agency relationship exists between the Company, any Guarantor and any other person, on the one hand, and the Initial Purchasers, on the other hand; (b) the Initial Purchasers are not acting as
advisors, expert or otherwise, to the Company or the Guarantors, including, without limitation, with respect to the determination of the purchase price of the Notes, and such relationship between the Company and the Guarantors, on the one hand, and
the Initial Purchasers, on the other hand, is entirely and solely commercial, based on arms-length negotiations; (c) any duties and obligations that the Initial Purchasers may have to the Company and the Guarantors shall be limited to those
duties and obligations specifically stated herein; (d) the Initial Purchasers and their respective affiliates may have interests that differ from those of the Company and the Guarantors; and (e) the Company and the Guarantors have
consulted their own legal and financial advisors to the extent they deemed appropriate. The Company and the Guarantors hereby waive any claims that the Company and the Guarantors may have against the Initial Purchasers with respect to any breach of
fiduciary duty in connection with the Notes. 

  
 33 

 19. Counterparts. This Agreement may be executed in one or more counterparts and, if
executed in more than one counterpart, the executed counterparts shall each be deemed to be an original but all such counterparts shall together constitute one and the same instrument. The words “execution,” “signed,”
“signature,” “delivery,” and words of like import in or relating to this Agreement or any document to be signed in connection with this Agreement shall be deemed to include electronic signatures, deliveries or the keeping of
records in electronic form, each of which shall be of the same legal effect, validity or enforceability as a manually executed signature, physical delivery thereof or the use of a paper-based recordkeeping system, as the case may be, and the parties
hereto consent to conduct the transactions contemplated hereunder by electronic means. Counterparts may be delivered via facsimile, electronic mail (including any electronic signature covered by the Electronic Signatures in Global and National
Commerce Act of 2000, Uniform Electronic Transactions Act, the Electronic Signatures and Records Act or other applicable law (e.g., www.docusign.com)) or other transmission method and any counterpart so delivered shall be deemed to have been duly
and validly delivered and be legally valid, effective and enforceable for all purposes. 
 20. Headings. The headings herein are
inserted for convenience of reference only and are not intended to be part of, or to affect the meaning or interpretation of, this Agreement. 

21. Recognition of the U.S. Special Resolution Regimes.  

(a) In the event that any Initial Purchaser that is a Covered Entity becomes subject to a proceeding under a U.S. Special Resolution Regime,
the transfer from such Initial Purchaser of this Agreement, and any interest and obligation in or under this Agreement, will be effective to the same extent as the transfer would be effective under the U.S. Special Resolution Regime if this
Agreement, and any such interest and obligation, were governed by the laws of the United States or a state of the United States. 
 (b) In
the event that any Initial Purchaser that is a Covered Entity or a BHC Act Affiliate of such Initial Purchaser becomes subject to a proceeding under a U.S. Special Resolution Regime, Default Rights under this Agreement that may be exercised against
such Initial Purchaser are permitted to be exercised to no greater extent than such Default Rights could be exercised under the U.S. Special Resolution Regime if this Agreement were governed by the laws of the United States or a state of the United
States. 
 For the purposes of this Section 21, a “BHC Act Affiliate” has the meaning assigned to the term
“affiliate” in, and shall be interpreted in accordance with, 12 U.S.C. § 1841(k). “Covered Entity” means any of the following: (i) a “covered entity” as that term is defined in, and interpreted in accordance
with, 12 C.F.R. § 252.82(b); (ii) a “covered bank” as that term is defined in, and interpreted in accordance with, 12 C.F.R. § 47.3(b); or (iii) a “covered FSI” as that term is defined in, and interpreted in
accordance with, 12 C.F.R. § 382.2(b). “Default Right” has the meaning assigned to that term in, and shall be interpreted in accordance with, 12 C.F.R. §§ 252.81, 47.2 or 382.1, as applicable. “U.S. Special Resolution
Regime” means each of (i) the Federal Deposit Insurance Act and the regulations promulgated thereunder and (ii) Title II of the Dodd-Frank Wall Street Reform and Consumer Protection Act and the regulations promulgated thereunder. 

  
 34 

 22. Compliance with USA Patriot Act.  

(a) In accordance with the requirements of the USA Patriot Act (Title III of Pub. L. 107-56 (signed
into law October 26, 2001)), the Initial Purchasers are required to obtain, verify and record information that identifies their respective clients, including the Company, which information may include the name and address of their respective
clients, as well as other information that will allow the Initial Purchasers to properly identify their respective clients. 

  
 35 

 If the foregoing correctly sets forth the agreement among the Company, the Guarantors and
the Initial Purchasers, please indicate your acceptance in the space provided for that purpose below. 
  

			
	Very truly yours,
	
	DT MIDSTREAM, INC. 
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Executive Officer

 Signature Page to Purchase Agreement 

 
			
	DT MIDSTREAM HOLDINGS, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE GAS STORAGE COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	WASHINGTON 10 STORAGE CORPORATION
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE PIPELINE COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	BLUESTONE GAS CORPORATION OF NEW YORK, INC.
		
	    By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	BLUESTONE PIPELINE COMPANY OF PENNSYLVANIA, LLC
		
	    By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	SUSQUEHANNA GATHERING COMPANY I, LLC
		
	    By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE APPALACHIA HOLDINGS, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE APPALACHIA GATHERING, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE SERIES B HOLDINGS, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE LOUISIANA MIDSTREAM HOLDINGS 1, LLC
		
	    By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE LOUISIANA MIDSTREAM HOLDINGS 2, LLC
		
	    By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE LOUISIANA MIDSTREAM, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE LOUISIANA GATHERING, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE LEAP GAS GATHERING, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE GEN6 PROPPANTS, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE SPECIALIZED WATER SERVICE, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE MICHIGAN GATHERING HOLDING COMPANY
		
	    By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE MICHIGAN GATHERING COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	SAGINAW BAY PIPELINE COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE MICHIGAN LATERAL COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE VECTOR COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE VECTOR II COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE NEXUS, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE NEXUS HOLDINGS, LLC
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

 
			
	DTE MILLENNIUM COMPANY
		
	By:	 	 /s/ David J. Slater

		 	Name: David J. Slater
		 	Title: President and Chief Operating Officer

  
 Signature Page to
Purchase Agreement 

			
	Accepted:
	
	BARCLAYS CAPITAL INC. 
		
		 	For itself and on behalf of the several
		 	Initial Purchasers named in Schedule I attached hereto
		
	By	 	 /s/ Adam Schnapper

		 	Name: Adam Schnapper
		 	Title: Managing Director

  
 Signature Page to
Purchase AgreementExhibit 10.22.1

 

ADDENDUM TO INVENTORY FINANCING AND SECURITY
AGREEMENT

 

This Addendum to Inventory Financing and Security
Agreement, executed by the parties hereto and to be effective as of April 7, 2021, is entered into by and among Ally Bank (Ally Capital
in Hawaii, Mississippi, Montana and New Jersey), Ally Financial, a Delaware entity (together with Ally Bank, the "Ally Parties"),
and CarLotz Group, Inc., a Delaware corporation. ("Dealership").

 

The Ally Parties and Dealership have entered into
an Inventory Financing and Security Agreement and other agreements related thereto (the "IFSA Documents"). Each of the parties
believes that the IFSA Documents are not subject to the State of Florida documentary stamp tax imposed under Florida Statutes. Therefore,
no documentary stamp taxes have been collected or paid. However, in the event the State of Florida ever determines that the IFSA Documents
are subject to documentary stamp taxes, Dealership agrees to pay to the Ally Parties an amount equal to the tax assessed by the State
of Florida, together with any other taxes or fees which might be imposed in connection with the transactions which are the subject of
the IFSA Documents. In addition, Dealership hereby waives any defense it may have to the payment of the obligations arising under the
IFSA Documents arising by reason of the failure to pay any such taxes.

 

This Addendum may be signed in counterparts, each
of which is deemed an original and all of which taken together constitute one and the same agreement. Any electronically placed or delivered
(e.g., via fax or email) signatures of the parties constitute and are deemed original signatures for all purposes. Additionally, the provisions
of this Addendum shall become incorporated into the terms and conditions of the IFSA Documents.

 

	Ally Financial	 	CarLotz Group,
    Inc.
	 	 	 	 	 
	By:	 /s/ Ronn Davis	 	By:	 /s/ John Foley II
	Print Name:	Ronn Davis	 	Print Name:	John Foley
	Title:	Authorized Representative	 	Title:	COO
	Date:	4/7/21	 	Date:	4/7/21
	 	 	 	 	 
	Ally Bank	 	 	 	 
	 	 	 	 	 
	By:	 /s/ Ronn Davis	 	 	 
	Print Name:	Ronn Davis	 	 	 
	Title:	Authorized Representative	 	 	 
	Date:	4/7/21 	 	 	 

 

     

     

    

 

ADDENDUM TO

INVENTORY FINANCING AND SECURITY AGREEMENT

 

Effective as of: April 7, 2021

 

This Addendum to Inventory
Financing and Security Agreement (“Addendum”) forms part of the Inventory Financing and Security Agreement (the “Agreement”)
by and among Ally Bank (Ally Capital in Hawaii, Mississippi, Montana and New Jersey), Ally Financial Inc. (collectively, the “Ally
Parties”), and CarLotz Group, Inc., a Delaware corporation (the “Dealership”), dated as of March 31, 2021, and is subject
to the terms of the Agreement.

 

NOW THEREFORE. in consideration
of the premises and of the mutual promises contained herein and in the Agreement, the receipt and sufficiency of which is hereby acknowledged,
the parties hereto agree to the financial covenants set forth herein, as follows:

 

AGREEMENT

 

		A.	Defined Terms. All capitalized terms used but not otherwise defined herein shall have the same
meaning as set forth in the Agreement.

 

		B.	Tangible Net Worth. Dealership will maintain tangible net worth of at least $90,000,000.00 calculated
in accordance with GAAP.

 

		C.	CBA Minimum Balance. At all times, the Dealership will maintain a Minimum Required Balance pursuant
to the terms of the Credit Balance Agreement (the “CBA”) equal to or greater than ten percent (10%) of the floor plan Credit
Line, which either or both of the Ally Parties may modify the terms, conditions, or amount from time to time at the Ally Parties sole
and absolute discretion. Minimum Required Balance shall have the same meaning as set forth in the CBA, entered into contemporaneously
with this Agreement.
	 	 	 

		D.	Minimum Liquidity: The Dealership will maintain unrestricted cash and cash equivalents of not less
than 10% of the Credit Line amount (i.e., with a Credit Line of $30,000,000, the requirement is equal to $3,000,000.00).
	 	 	 

		i.	Unrestricted cash and cash equivalents shall include cash maintained in the Dealership's
bank account(s), plus outstanding deposits, less outstanding checks, less bank fees, all as of the month-end for which the covenant applies.
	 	 	 

		ii.	Unrestricted cash and cash equivalents shall not include any amounts used to establish
the Minimum Required Balance under the CBA.

 

    1 

     

    

 

		E.	Consigned Vehicles From Third Parties. The definition of Collateral in the Agreement shall not
include a security interest in vehicles on consignment from any owner who is not a party to the Agreement or the Addendum, and the proceeds
of consigned vehicles described in this sentence. However, any consigned vehicle from Ally Bank, Ally Financial or any affiliated organization/entity
of the Ally Parties (i) will not constitute a consigned vehicle and (ii) will be included in the definition of Collateral in the Agreement.
	 	 	 

		F.	Clean Title. The Dealership acknowledges and agrees that it will only floorplan unencumbered
                                                           vehicles (including but not limited to trade-ins) with clean title and the vehicles must be lien-free. Dealership agrees to abide by
                                                           the conditions outlined in this paragraph and further agrees that upon request, the Dealership will provide copies of all relevant
                                                           documentation to establish its compliance with these conditions. If any of these conditions are not met as to a vehicle, the Ally
                                                           Parties, in sole and absolute discretion, may demand immediate repayment of the floorplan advance for said vehicle.
	 	 	 

		G.	Other Provisions. 
	 	 	 

		1)	Dealerships further agrees that a violation of this Addendum constitutes a violation of all agreements
of all Dealerships with either or both of the Ally Parties, including, but not limited to the Agreement.
	 	 	 

		2)	Any forbearance, delay or failure by the Ally Parties in exercising any of their rights or remedies does
not constitute a waiver of such rights or remedies or of any existing or future default by the Ally Parties.
	 	 	 

		3)	Except as set forth herein, this Addendum may be changed only in a writing signed by both parties.
	 	 	 

		4)	This Addendum constitutes the entire agreement of the parties regarding its subject matter.
	 	 	 

		5)	This Addendum may be signed in counterparts, each of which is deemed an original, and all of which taken
together constitute one and the same agreement. The signatures of the parties, exchanged via fax or e-mail, shall constitute and be deemed
original signatures for all purposes. Further, any electronically placed signature of the parties constitute and are deemed original signatures
for all purposes.
	 	 	 

		6)	Dealership acknowledges and agrees that nothing in this Addendum constitutes or should be construed as
a waiver of any of the Ally Parties’ rights or remedies under applicable law or their agreements, all of which are expressly reserved.
Furthermore, the Dealership acknowledges and agrees that its wholesale credit lines are subject to the terms of the financing agreements
under which they were extended and are discretionary lines of credit that may be modified, suspended, or terminated at the Ally Parties’
election, in their sole discretion.

 

SIGNATURE PAGE TO FOLLOW

 

    2 

     

    

 

	Ally Financial	 	CarLotz Group, Inc.
	 	 	 	 	 
	By:	 /s/
    Ronn Davis	 	By:	 /s/
    John Foley II
	Print
    Name:	Ronn
    Davis	 	Print
    Name:	John
    Foley
	Title:	Authorized
    Representative	 	Title:	COO
	Date:	4/7/21	 	Date:	4/7/21
	 	 	 	 	 
	Ally Bank	 	 	 
	 	 	 	 	 
	By:	 /s/
    Ronn Davis	 	 	 
	Print
    Name:	Ronn
    Davis	 	 	 
	Title:	Authorized
    Representative	 	 	 
	Date:	4/7/21

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