Document:

EX-10.1

 Exhibit 10.1 

[Execution Version] 

FOURTH AMENDMENT dated as of April 27, 2016 (this “Amendment”), to the CREDIT AGREEMENT referred to below
among KNOWLES CORPORATION (the “Company”), the Lenders party thereto and JPMORGAN CHASE BANK, N.A., as the Administrative Agent. 

WHEREAS, the Company, the Luxembourg Borrower, the Lenders and the Administrative Agent are parties to that certain Credit Agreement dated as
of January 27, 2014, as amended and restated as of December 31, 2014, and as further amended by the First Amendment dated as of April 17, 2015, the Second Amendment dated as of November 19, 2015, and the Third Amendment dated as of February 9, 2016
(the “Credit Agreement”; capitalized terms used and not otherwise defined herein, including in these recitals, have the meanings set forth in the Credit Agreement as amended hereby); 

WHEREAS, the Company desires to issue the Permitted Convertible Notes and to apply the net proceeds thereof to prepay Tranche A Term Loans in
accordance with Section 2.10(a) of the Credit Agreement; 
 WHEREAS, the Company has requested that the Lenders agree to amend certain
provisions of the Credit Agreement as set forth herein; and 
 WHEREAS, the Company, the Administrative Agent and the Lenders party hereto,
constituting the Required Lenders, have so agreed on the terms and subject to the conditions set forth herein. 
 NOW, THEREFORE, in
consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto agree as follows, with each such amendment to become effective as provided in Section 6
below: 
 SECTION 1.01. Amendment to Section 1.01. 

(a) Section 1.01 of the Credit Agreement is hereby amended by adding the following new definitions in their appropriate alphabetical order:

 “Permitted Convertible Notes Net Proceeds” means, the proceeds received by or for the account of the
Company from the issuance and sale of Permitted Convertible Notes, net of any Taxes, premiums, fees, commissions, underwriting discounts and other fees and expenses payable (or reasonably estimated to be payable) in connection with such issuance and
sale (including the premium associated with any Permitted Convertible Notes Hedging Agreement and costs and expenses of attorneys, accountants, bankers and other advisors). 

“Permitted Convertible Notes” means senior convertible debt securities of the Company (a) that are unsecured,
(b) that do not have the benefit of any Guarantee of any Subsidiary, (c) the stated maturity date of which shall be no earlier than the date which is 91 days after the latest Maturity Date in effect at the time such securities are issued, (d) that
are not subject to any sinking fund or any prepayment, redemption or repurchase requirements, whether scheduled, triggered by specified events or at the 

 
option of the holders thereof (it being understood that none of (i) a customary “change in control” or “fundamental change” put, (ii) a right to convert such securities into
common stock of the Company, cash or a combination thereof as the Company may elect or (iii) an acceleration upon an event of default will be deemed to constitute such a sinking fund or prepayment, redemption or repurchase requirement), and (e) that
have the benefit of covenants and events of default customary for comparable convertible securities (as determined by the Company in good faith). 

“Permitted Convertible Notes Hedging Agreements” means, (a) a Hedging Agreement pursuant to which the Company
acquires a call or a capped call option requiring the counterparty thereto to deliver to the Company shares of common stock of the Company, the cash value of such shares or a combination thereof from time to time upon exercise of such option and (b)
if entered by the Company in connection with any Hedging Agreement described in clause (a) above, a Hedging Agreement pursuant to which the Company issues to the counterparty thereto warrants to acquire common stock of the Company, in each case,
entered into by the Company in connection with, and prior to or concurrently with, the issuance of any Permitted Convertible Notes; provided that (i) the terms, conditions and covenants of each such Hedging Agreement shall be such as are
typical and customary for Hedging Agreements of such type (as determined by the board of directors of the Company in good faith) and (ii) in the case of clause (b) above, such Hedging Agreement would be classified as an equity instrument in
accordance with EITF 00-19, Accounting for Derivative Financial Instruments Indexed to, and Potentially Settled in, a Company’s Own Stock, or any successor thereto (including pursuant to the Accounting Standards Codification), and the
settlement of such Hedging Agreement does not require the Company to make any payment in cash or cash equivalents that would disqualify such Hedging Agreement from so being classified as an equity instrument. 

“Senior Secured Indebtedness” means, as of any date, that portion of Total Indebtedness as of such date that is secured by any
Lien on property or assets of the Company or any Subsidiary. 
 “Senior Secured Leverage Ratio” means, on any date, the
ratio of (a) Senior Secured Indebtedness as of such date to (b) Consolidated EBITDA for the period of four consecutive fiscal quarters of the Company most recently ended on or prior to such date. 

(b) The definition of “Defaulting Lender” in Section 1.01 is hereby amended by inserting in clause (d) thereof immediately following
the words “Bankruptcy Event” the words “or a Bail-In Action”. 
 (c) The definition of “Disqualified Equity
Interests” in Section 1.01 is hereby amended by inserting in the following proviso immediately prior to the final period therein: 

“; provided, further, that neither the Permitted Convertible Notes nor the Permitted Convertible Notes Hedging Agreements
shall constitute Disqualified Equity Interests of the Company”. 

  
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 (d) The definition of “Equity Interests” in Section 1.01 is hereby amended by inserting
in the following proviso immediately prior to the final period therein: 
 “; provided that the Permitted Convertible Notes
Hedging Agreements shall not constitute Equity Interests of the Company”. 
 SECTION 1.02. Amendment to Section 1.04. Section 1.04(a)
of the Credit Agreement is hereby amended by (i) deleting the word “and” immediately prior to clause (B) and inserting “,” in replacement thereof and (ii) inserting the following text: 

“and (C) without giving effect to any treatment of Indebtedness in respect of convertible debt instruments under Accounting Standards
Codification 470-20, Debt with Conversion and Other Options (or any other Accounting Standards Codification or Financial Accounting Standard having a similar result or effect) to value any such Indebtedness in a reduced or bifurcated manner as
described therein, and such Indebtedness shall at all times be valued at the full stated principal amount thereof”. 
 SECTION 1.03.
Amendment to Section 2.20. The proviso in Section 2.20(a) of the Credit Agreement is hereby amended and restated to read as follows: 

“provided that (A) Incremental Commitments may be established hereunder only if the Leverage Ratio as of the last day of the most
recently ended fiscal quarter of the Company for which financial statements shall have been delivered pursuant to Section 5.01(a) or (b), determined on a pro forma basis assuming that Borrowings under and in the full amount of such Incremental
Commitments were outstanding on the last day of such fiscal quarter, would not have been greater than 3.25 to 1.00, and (B) the aggregate amount of all the Incremental Commitments established hereunder during the term of this Agreement shall not
exceed $100,000,000.” 
 SECTION 1.04. Amendment to Section 6.01. Section 6.01(a)(xiii) of the Credit Agreement is hereby
amended by inserting the text “on the date of the incurrence of such Indebtedness and” immediately after the phrase “provided, that” appearing therein. 

SECTION 1.05. Amendment to Section 6.07. Section 6.07 of the Credit Agreement is hereby amended by (i) deleting the word
“and” immediately prior to clause (b) and inserting “,” in replacement thereof and (ii) inserting the following text “and (c) the Company may enter into, and perform its obligations under, the Permitted Convertible Notes
Hedging Agreements” immediately prior to the final period therein. 
 SECTION 1.06. Amendment to Section 6.08. Section 6.08(a)
of the Credit Agreement is hereby amended by inserting the following sentence at the end thereof: “Neither the entry by the Company into, nor the performance by the Company of its obligations pursuant to, any Permitted Convertible Notes Hedging
Agreement shall constitute a Restricted Payment prohibited by this Section 6.08(a).” 

  
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 SECTION 1.07. Amendment to Section 6.12. Section 6.12 of the Credit Agreement is
hereby amended and restated to read as follows: 
 “SECTION 6.12. Leverage Ratio. The Company will not
permit the Leverage Ratio as of the last day of any fiscal quarter to exceed 3.75 to 1.00.” 
 SECTION 1.08. Amendment to Article
VI. Article VI of the Credit Agreement is hereby amended by adding the following new Section 6.13: 
 “SECTION
6.13. Senior Secured Leverage Ratio. The Company will not permit the Senior Secured Leverage Ratio as of the last day of any fiscal quarter to exceed 3.25 to 1.00.” 

SECTION 1.09. Amendment to Article VII. Clause (g) of Article VII of the Credit Agreement is hereby amended and restated to read
as follows: 
 “(g) any event or condition occurs that results in any Material Indebtedness becoming due or required to
be prepaid, repurchased, redeemed or defeased prior to its scheduled maturity (or, in the case of a Hedge Agreement (other than a Permitted Convertible Notes Hedging Agreement), the involuntary termination thereof as the result of a default or
similar event, however denominated, by the Company or its Subsidiaries), or that enables or permits the holder or holders of any Material Indebtedness or any trustee or agent on its or their behalf (or, in the case of any Hedging Agreement (other
than any Permitted Convertible Notes Hedging Agreement), the applicable counterparty), to cause such Material Indebtedness to become due, or require the prepayment, repurchase, redemption or defeasance thereof (or, in the case of a Hedge Agreement
(other than a Permitted Convertible Notes Hedging Agreement), the involuntary termination thereof as the result of a default or similar event, however denominated, by the Company or its Subsidiaries) prior to its scheduled maturity, in each of the
foregoing cases, beyond the grace period therefor; provided that this clause (g) shall not apply to (i) any secured Indebtedness that becomes due as a result of the voluntary sale or transfer of the assets securing such Indebtedness,
(ii) any Indebtedness that becomes due as a result of a voluntary refinancing thereof permitted under Section 6.01 or as a result of any voluntary prepayment, repurchase, redemption or defeasance thereof by the Borrower or any Subsidiary in the
absence of any default (or a similar event, however denominated) thereunder or (iii) any requirement to deliver cash upon conversion of the Permitted Convertible Notes; provided further that any such failure under this clause (g)
is unremedied and is not waived by the holders of such Indebtedness prior to any termination of the Commitments or acceleration of the Loans pursuant to this Article VII;”. 

SECTION 1.10. Amendment to Article IX. Article IX of the Credit Agreement is hereby amended by adding the following new Section
9.23: 
 “SECTION 9.23. Acknowledgement and Consent to Bail-In of EEA Financial
Institutions. Notwithstanding anything to the contrary in any Loan Document or in any other agreement, arrangement or understanding among the parties hereto, each party 

  
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hereto acknowledges that any liability of any EEA Financial Institution arising under any Loan Document, to the extent such liability is unsecured, may be subject to the write-down and conversion
powers of an EEA Resolution Authority and agrees and consents to, and acknowledges and agrees to be bound by: 
 (a) the
application of any Write-Down and Conversion Powers by an EEA Resolution Authority to any such liabilities arising hereunder which may be payable to it by any party hereto that is an EEA Financial Institution; and 

(b) the effects of any Bail-in Action on any such liability, including, if applicable: 

(i) a reduction in full or in part or cancellation of any such liability; 

(ii) a conversion of all, or a portion of, such liability into shares or other instruments of ownership in such EEA Financial
Institution, its parent entity, or a bridge institution that may be issued to it or otherwise conferred on it, and that such shares or other instruments of ownership will be accepted by it in lieu of any rights with respect to any such liability
under this Agreement or any other Loan Document; or 
 (iii) the variation of the terms of such liability in connection with
the exercise of the write-down and conversion powers of any EEA Resolution Authority. 
 (c) The following terms shall for
purposes of this Section have the meanings set forth below: 
 “Bail-In Action” means the exercise of any
Write-Down and Conversion Powers by the applicable EEA Resolution Authority in respect of any liability of such EEA Financial Institution. 

“Bail-In Legislation” means, with respect to any EEA Member Country implementing Article 55 of Directive
2014/59/EU of the European Parliament and of the Council of the European Union, the implementing law for such EEA Member Country from time to time which is described in the EU Bail-In Legislation Schedule. 

“EEA Financial Institution” means (a) any institution established in any EEA Member Country which is subject
to the supervision of an EEA Resolution Authority, (b) any entity established in an EEA Member Country which is a parent of an institution described in clause (a) of this definition, or (c) any institution established in an EEA Member Country which
is a subsidiary of an institution described in clause (a) or (b) of this definition and is subject to consolidated supervision with its parent. 

  
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 “EEA Member Country” means any member state of the European
Union, Iceland, Liechtenstein and Norway. 
 “EEA Resolution Authority” means any public administrative
authority or any person entrusted with public administrative authority of any EEA Member Country (including any delegee) having responsibility for the resolution of any EEA Financial Institution. 

“EU Bail-In Legislation Schedule” means the EU Bail-In Legislation Schedule published by the Loan Market
Association (or any successor person), as in effect from time to time. 
 “Write-Down and Conversion
Powers” means, with respect to any EEA Resolution Authority, the write-down and conversion powers of such EEA Resolution Authority from time to time under the Bail-In Legislation for the applicable EEA Member Country, which write-down and
conversion powers are described in the EU Bail-In Legislation Schedule.” 
 SECTION 1.11. Representations and
Warranties. To induce the other parties hereto to enter into this Amendment, the Company represents and warrants that, on and as of the Effective Date: 

(a) This Amendment has been duly authorized, executed and delivered by the Company, and this Amendment and the Credit Agreement as amended
hereby constitute the Company’s legal, valid and binding obligations, enforceable against the Company in accordance with their terms, subject to applicable bankruptcy, insolvency, reorganization, moratorium or other laws affecting
creditors’ rights generally and to general principles of equity, regardless of whether considered in a proceeding in equity or at law. 

(b) The representations and warranties set forth in Article III of the Credit Agreement are true and correct on and as of the Effective Date
in all material respects, except to the extent they expressly relate to an earlier date, in which case such representations and warranties shall be true and correct in all material respects as of such earlier date. 

(c) No Default or Event of Default shall have occurred and be continuing (after giving effect to the amendments to the Credit Agreement
provided for herein). 
 SECTION 1.12. Effectiveness. The amendments set forth in Sections 1.01 through 1.06 and in Sections 1.09 and
1.10 hereof shall become effective on the date (the “Effective Date”) on which the Administrative Agent (or its counsel) shall have received duly executed counterparts hereof that, when taken together, bear the authorized signatures
of the Company, the Administrative Agent and Lenders constituting the Required Lenders. The amendments set forth in Sections 1.07 and 1.08 hereof shall become effective on the first date after the Effective Date on which each of the following
conditions precedent shall have been satisfied: 

  
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 (a) The Company shall have issued and sold the Permitted Convertible Notes and received Permitted
Convertible Notes Net Proceeds of not less than $100,000,000, and all the Permitted Convertible Notes Net Proceeds so received shall have been applied to the prepayment of Tranche A Term Loans in accordance with Section 2.10(a) and 2.09(c)(i) of the
Credit Agreement, the Company hereby directing the Administrative Agent to apply such prepayment first against the four scheduled repayments of the Tranche A Term Borrowings next following the date of this Amendment and then ratably against the
remaining scheduled repayments (including the payment due at maturity) of the Tranche A Term Borrowings. 
 (b) the Administrative Agent
shall have received for the account of each Lender that shall have executed and delivered a copy of this Amendment to the Administrative Agent, an amendment fee in an amount equal to 0.05% of the aggregate principal amount of the Revolving
Commitment and outstanding Term Loans of such Lender after giving effect to the prepayment of Tranche A Term Loans provided for in the immediately preceding clause (a). 

(c) the Administrative Agent shall have received all other fees and other amounts due and payable in connection with this Amendment and, to
the extent invoiced at least three Business Days prior to the Effective Date, reimbursement or payment of all reasonable and documented out-of-pocket expenses (including
reasonable fees, charges and disbursements of counsel) required to be reimbursed or paid by the Company under the Credit Agreement. 

SECTION 1.13. Counterparts; Effectiveness; Entirety. 

(a) This Amendment may be executed in counterparts (and by different parties hereto on different counterparts), each of which shall constitute
an original, but all of which when taken together shall constitute a single contract. The delivery of an executed counterpart of a signature page of this Amendment by facsimile or other electronic imaging shall be effective as delivery of a
manually executed counterpart of this Amendment. 
 (b) Except as expressly set forth herein, all the terms and provisions of the Credit
Agreement are and shall remain in full force and effect. The amendments contained herein shall not constitute a waiver, amendment or modification of any other provision of the Credit Agreement or for any other purpose except as expressly set forth
herein. 
 (c) This Amendment, the Credit Agreement and the other Loan Documents constitute the entire contract among the parties relating
to the subject matter hereof and supersede any and all previous agreements and understandings, oral or written, relating to the subject matter hereof. 

SECTION 1.14. Severability. Any provision of this Amendment held to be invalid, illegal or unenforceable in any jurisdiction
shall, as to such jurisdiction, be ineffective to the extent of such invalidity, illegality or unenforceability without affecting the validity, legality or enforceability of the remaining provisions hereof; and the invalidity of a particular
provision in a particular jurisdiction shall not invalidate such provision in any other jurisdiction. 
 SECTION 1.15. Governing Law;
Miscellaneous. 

  
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 (a) THIS AMENDMENT SHALL BE GOVERNED BY, AND CONSTRUED IN ACCORDANCE WITH, THE LAW OF THE STATE
OF NEW YORK. 
 (b) This Amendment shall be deemed to be a Loan Document. 

(c) The captions and headings of this Amendment are for convenience of reference only and shall not affect the interpretation of this
Amendment. 
 (d) The Company hereby appoints PNC Bank, National Association (“PNC”), as an additional Documentation Agent
under the Credit Agreement and agrees that PNC shall have no duties or obligations under the Credit Agreement or any other Loan Document (except in its capacity as Lender). 

[Signature Pages Follow] 

  
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 IN WITNESS WHEREOF, the parties hereto have caused this amendment to be duly executed by their
respective authorized officers as of the day and year first above written. 
  

					
	KNOWLES CORPORATION
		
	by	 	 /s/ Nilson Rodrigues

		 	Name:	 	Nilson Rodrigues
		 	Title:	 	Treasurer
	
	 JPMORGAN CHASE BANK N.A.,

individually and as Administrative Agent

		
	by	 	 /s/ Tina Ruyter

		 	Name:	 	Tina Ruyter
		 	Title:	 	Executive Director

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: BANK OF AMERICA, N.A. 
  

					
	By	 	 /s/ Jonathan M. Phillips

		 	Name:	 	Jonathan M. Phillips
		 	Title:	 	Senior Vice President

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: BMO HARRIS BANK N.A. 
  

					
	 by
	 	 /s/ Jason Deegan

		 	 Name:
	 	 Jason Deegan

		 	 Title:
	 	 Vice President

 For any Lender requiring a second signature line: 

 

			
	 by
	 	  

		 	Name:
		 	Title:

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: BRANCH BANKING AND TRUST COMPANY 
  

					
	By	 	 /s/ Andrey Rudnitsky

		 	Name:	 	Andrey Rudnitsky
		 	Title:	 	Assistant Vice President

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: GOLDMAN SACHS BANK USA 
  

					
	by	 	 /s/ Jerry Li

		 	Name:	 	Jerry Li
		 	Title:	 	Authorized Signatory

 For any Lender requiring a second signature line: 

 

			
	by	 	  

		 	Name:
		 	Title:

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: HSBC Bank USA, N.A. 
  

					
	by	 	 /s/ Fik Durmus

		 	Name:	 	Fik Durmus
		 	Title:	 	Senior Vice President

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: ING Bank N.V., Dublin Branch 
  

					
	 by
	 	 /s/ Sean Hassett

		 	Name:	 	Sean Hassett
		 	Title:	 	Director

 For any Lender requiring a second signature line: 

 

					
	by	 	 /s/ Pádraig Matthews

		 	Name:	 	Pádraig Matthews
		 	Title:	 	Vice-President

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: MUFG Union Bank, N.A. 
  

					
	by	 	 /s/ Matthew Antioco

		 	Name:	 	Matthew Antioco
		 	Title:	 	Vice President

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: PNC Bank, National Association 
  

					
	by	 	 /s/ Kristin L. Lenda

		 	Name:	 	Kristin L. Lenda
		 	Title:	 	Senior Vice President

 For any Lender requiring a second signature line: 

 

					
	by	 	  

		 	Name:	 	
		 	Title:	 	

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: Sumitomo Mutsui Banking Corporation 
  

					
	by	 	 /s/ David Kee

		 	Name:	 	David Kee
		 	Title:	 	Managing Director

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: Sun Trust Bank 
  

					
	by	 	 /s/ Chris Hursey

		 	Name:	 	Chris Hursey
		 	Title:	 	Director

 For any Lender requiring a second signature line: 

 

					
	by	 	  

		 	Name:	 	
		 	Title:	 	

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: THE NORTHERN TRUST COMPANY 
  

					
	By	 	 /s/ M. Scott Randall

		 	Name:	 	M. Scott Randall
		 	Title:	 	Senior Vice President

 For any Lender requiring a second signature line: 

 

					
	by	 	  

		 	Name:	 	
		 	Title:	 	

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: U.S. BANK NATIONAL ASSOCIATION 
  

					
	by	 	 /s/ Mary Ann Klemm

		 	Name:	 	Mary Ann Klemm
		 	Title:	 	Vice President

 [Signature Page to Fourth Amendment] 

 SIGNATURE PAGE TO FOURTH AMENDMENT 

TO KNOWLES CORPORATION CREDIT AGREEMENT 
 Name of
Lender: Wells Fargo Bank, NA 
  

					
	by	 	 /s/ Steve Buehler

		 	Name:	 	Steve Buehler
		 	Title:	 	Managing Director

 For any Lender requiring a second signature line: 

 

					
	by	 	  

		 	Name:	 	
		 	Title:	 	

 [Signature Page to Fourth Amendment]EX-4.12

 Exhibit 4.12 

DTE ENERGY COMPANY 
 AND 

THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A., 

TRUSTEE 
  

 
 SUPPLEMENTAL
INDENTURE 
 DATED AS OF APRIL 15, 2016 
  

 
 SUPPLEMENTING
THE AMENDED AND RESTATED INDENTURE 
 DATED AS OF APRIL 9, 2001 

PROVIDING FOR 
 2015 SERIES BR
3.30% SENIOR NOTES DUE 2022 

 SUPPLEMENTAL INDENTURE, dated as of the 15th
day of April, 2016, between DTE ENERGY COMPANY, a corporation organized and existing under the laws of the State of Michigan (the “Company”), and The Bank of New York Mellon Trust Company, N.A., as successor trustee (the
“Trustee”); 
 WHEREAS, the Company has heretofore executed and delivered to the Trustee an Amended and Restated Indenture, dated
as of April 9, 2001 (the “Original Indenture”), as amended, supplemented or modified (as so amended, supplemented or modified, the “Indenture”) providing for the issuance by the Company from time to time of its debt
securities; and 
 WHEREAS, the Company now desires to provide for the issuance of a series of its unsecured, senior debt securities
pursuant to the Original Indenture; and 
 WHEREAS, the Company, in the exercise of the power and authority conferred upon and reserved to
it under the provisions of the Original Indenture, including Section 901 thereof, and pursuant to appropriate resolutions of the Board of Directors, has duly determined to make, execute and deliver to the Trustee this Supplemental Indenture to
the Original Indenture as permitted by Section 201 and Section 301 of the Original Indenture in order to establish the form or terms of, and to provide for the creation and issue of, a series of its debt securities under the Original
Indenture, which shall be known as the “2015 Series BR 3.30% Senior Notes due 2022”; and 
 WHEREAS, all things necessary to make
such debt securities, when executed by the Company and authenticated and delivered by the Trustee or any Authenticating Agent and issued upon the terms and subject to the conditions hereinafter and in the Original Indenture set forth against payment
therefor, the valid, binding and legal obligations of the Company and to make this Supplemental Indenture a valid, binding and legal agreement of the Company, have been done; 

NOW, THEREFORE, THIS SUPPLEMENTAL INDENTURE WITNESSETH that, in order to establish the terms of a series of debt securities, and for and in
consideration of the premises and of the covenants contained in the Original Indenture and in this Supplemental Indenture and for other good and valuable consideration the receipt and sufficiency of which are hereby acknowledged, it is mutually
covenanted and agreed as follows: 
 ARTICLE ONE 

DEFINITIONS AND OTHER 
 PROVISIONS
OF GENERAL APPLICATION 
 SECTION 101. Definitions. Each capitalized term that is used herein and is defined in the Original
Indenture shall have the meaning specified in the Original Indenture unless such term is otherwise defined herein. The following terms shall have the respective meanings set forth below: 

 “Business Day” means any day other than a day on which banking institutions in the
State of New York or the State of Michigan are authorized or obligated pursuant to law or executive order to close. 
 SECTION 102.
Section References. Each reference to a particular section set forth in this Supplemental Indenture shall, unless the context otherwise requires, refer to this Supplemental Indenture. 

ARTICLE TWO 
 TITLE AND TERMS OF
THE SECURITIES 
 SECTION 201. Title of the Securities; Stated Maturity. This Supplemental Indenture hereby establishes a series of
Securities, which shall be known as the Company’s “2015 Series BR 3.30% Senior Notes due 2022” (the “Notes”). The Stated Maturity on which the principal of the Notes shall be due and payable will be June 15, 2022. 

SECTION 202. Rank. The Notes shall rank equally with all other unsecured and unsubordinated indebtedness of the Company from time to
time outstanding. 
 SECTION 203. Variations from the Original Indenture. Section 1009 of the Original Indenture shall be
applicable to the Notes. Section 403(2) and Section 403(3) shall be applicable to the Notes; the Company’s obligations under Section 1009, without limitation, shall be subject to defeasance in accordance with Section 403(3).

 SECTION 204. Amount and Denominations; DTC. 

(a) The aggregate principal amount of the Notes that may be issued under this Supplemental Indenture is limited initially to $300,000,000
(except as provided in Section 301(2) of the Original Indenture); provided that the Company may, without the consent of the Holders of the Outstanding Notes, “reopen” the Notes so as to increase the aggregate principal amount of the
Notes Outstanding in compliance with the procedures set forth in the Original Indenture, including Section 301 and Section 303 thereof, so long as any such additional Notes have the same tenor and terms, including, without limitation,
rights to receive accrued and unpaid interest (other than the date of issuance, public offering price, the initial interest payment date and, in some circumstances, interest accrual dates), as the Notes then Outstanding. No additional Notes may be
issued if an Event of Default has occurred. The Notes shall be issuable only in fully registered form and, as permitted by Section 301 and Section 302 of the Original Indenture, in denominations of $1,000 and integral multiples thereof.
The Notes will initially be issued in global form (the “Global Notes”) under a book-entry system, registered in the name of The Depository Trust Company, as depository (“DTC”), or its nominee, which is hereby designated as
“Depositary” under the Indenture. 
 (b) Further to Section 305 of the Original Indenture, any Global Note shall be
exchangeable for Notes registered in the name of, and a transfer of a Global Note may be registered to, any Person other than the Depositary for such Note or its nominee only if (i) such Depositary notifies the Company that it is unwilling or
unable to continue as Depositary for such 

  
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Global Note or if at any time such Depositary ceases to be a clearing agency registered under the Exchange Act, and, in either such case, the Company does not appoint a successor Depositary
within 90 days thereafter, (ii) the Company executes and delivers to the Trustee a Company Order that such Global Note shall be so exchangeable and the transfer thereof so registrable or (iii) there shall have occurred and be continuing an
Event of Default or an event which, with the giving of notice or lapse of time, or both, would constitute an Event of Default with respect to the Notes. Upon the occurrence in respect of a Global Note of any or more of the conditions specified in
clause (i), (ii) or (iii) of the preceding sentence, such Global Note may be exchanged for Notes registered in the name of, and the transfer of such Global Note may be registered to, such Persons (including Persons other than the
Depositary and its nominees) as such Depositary, in the case of an exchange, and the Company, in the case of a transfer, shall direct. 
 SECTION 205.
Terms of the Notes. 
 (a) The Notes shall bear interest at the rate of 3.30% per annum on the principal amount thereof from
                    , or from the most recent Interest Payment Date to which interest has been paid or duly provided for, until the principal
of the Notes becomes due and payable, and on any overdue principal and premium and (to the extent that payment of such interest is enforceable under applicable law) on any overdue installment of interest at the same rate per annum during such
overdue period. Interest on the Notes will be payable semiannually in arrears on June 15 and December 15 of each year (each such date, an “Interest Payment Date”), commencing on
                    . The amount of interest payable for any period shall be computed on the basis of twelve 30-day months and a 360-day year.

 (b) In the event that any Interest Payment Date, redemption date or other date of Maturity of the Notes is not a Business Day, then
payment of the amount payable on such date will be made on the next succeeding day which is a Business Day (and without any interest or other payment in respect of any such delay), in each case with the same force and effect as if made on such date.
The interest installment so payable, and punctually paid or duly provided for, on any Interest Payment Date with respect to any Note will, as provided in the Original Indenture, be paid to the person in whose name the Note (or one or more
Predecessor Securities, as defined in said Indenture) is registered at the close of business on the relevant record date for such interest installment, which shall be the fifteenth calendar day (whether or not a Business Day) prior to the relevant
Interest Payment Date (the “Regular Record Date”). Any such interest installment not punctually paid or duly provided for shall forthwith cease to be payable to the registered Holders on such Regular Record Date, and may either be paid to
the person in whose name the Note (or one or more Predecessor Securities) is registered at the close of business on a Special Record Date to be fixed for the payment of such defaulted interest in accordance with Section 307 of the Original
Indenture, notice whereof shall be given to the registered Holders of the Notes not less than ten days prior to such Special Record Date, or may be paid at any time in any other lawful manner not inconsistent with the requirements of any securities
exchange on which the Notes may be listed, and upon such notice as may be required by such exchange, all as more fully provided in the Original Indenture. The principal of, and premium, if any, and the interest on the Notes shall be payable at the
office or agency of the Company maintained for that purpose in the Borough of Manhattan, The City of New York, in any coin or currency of the 

  
 3 

 
United States of America which at the time of payment is legal tender for payment of public and private debts; provided, however, that payment of interest may be made at the option of the Company
by check mailed to the registered Holder at the close of business on the Regular Record Date at such address as shall appear in the Security Register. 

(c) The Notes are not subject to repayment at the option of the Holders thereof and are not subject to any sinking fund. As provided in the
form of Note attached hereto as Exhibit A, the Notes are subject to optional redemption, in whole or in part, at any time by the Company prior to Stated Maturity of the principal thereof on the terms set forth therein. Except as modified in the form
of the Note, redemption shall be effected in accordance with Article Eleven of the Original Indenture. 
 (d) The Notes shall have such
other terms and provisions as are set forth in the form of Note attached hereto as Exhibit A (which is incorporated by reference in and made a part of this Supplemental Indenture as if set forth in full at this place). 

SECTION 206. Form of Notes. Attached hereto as Exhibit A is the form of the Notes. 

ARTICLE THREE 
 MISCELLANEOUS
PROVISIONS 
 The Trustee makes no undertaking or representations in respect of, and shall not be responsible in any manner whatsoever for
and in respect of, the validity or sufficiency of this Supplemental Indenture or the proper authorization or the due execution hereof by the Company or for or in respect of the recitals and statements contained herein, all of which recitals and
statements are made solely by the Company. 
 Except as expressly amended hereby, the Original Indenture shall continue in full force and
effect in accordance with the provisions thereof and the Original Indenture is in all respects hereby ratified and confirmed. This Supplemental Indenture and all its provisions shall be deemed a part of the Original Indenture in the manner and to
the extent herein and therein provided. 
 This Supplemental Indenture and the Notes shall be governed by, and construed in accordance with,
the laws of the State of New York. 
 This Supplemental Indenture may be executed in any number of counterparts, each of which so executed
shall be deemed to be an original, but all such counterparts shall together constitute but one and the same instrument. 

  
 4 

 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed, all as of the day and year first above written. 
  

			
	DTE ENERGY COMPANY
		
	By:	 	  

		 	Name: Mark C. Rolling
		 	Title:   Vice President and Treasurer

  

			
	ATTEST:
		
	By:	 	  

		 	Name: Lisa A. Muschong
		 	Title:   Corporate Secretary

  
 5 

 
			
	THE BANK OF NEW YORK MELLON TRUST COMPANY, N.A.
		
	By:	 	  

		 	Name: Richard Tarnas
		 	Title:   Vice President

 EXHIBIT A 

FORM OF NOTE 
 GLOBAL SECURITY
LEGEND 
 THIS NOTE IS A GLOBAL NOTE WITHIN THE MEANING OF THE INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A NOMINEE
OF A DEPOSITARY. UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN CERTIFICATED FORM, THIS NOTE MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITORY TRUST COMPANY (“DTC”), TO A NOMINEE OF DTC OR BY DTC OR ANY SUCH
NOMINEE TO A SUCCESSOR OF DTC OR A NOMINEE OF SUCH SUCCESSOR. UNLESS THIS NOTE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF DTC TO THE ISSUER OR ITS AGENT FOR REGISTRATION OF TRANSFER, EXCHANGE OR PAYMENT, AND ANY NOTE ISSUED IS REGISTERED IN THE
NAME OF CEDE & CO., OR IN SUCH OTHER NAME AS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT HEREON IS MADE TO CEDE & CO., OR TO SUCH OTHER ENTITY AS IS REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY
TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY A PERSON IS WRONGFUL, INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST HEREIN. 
  

			
	CUSIP NO.	  	
$                    

 NO. :
                     
 DTE ENERGY
COMPANY 
 2015 SERIES BR 3.30% SENIOR NOTES DUE 2022 

DTE ENERGY COMPANY, a corporation duly organized and existing under the laws of the State of Michigan (herein referred to as the
“Company”, which term includes any successor Person under the Indenture hereinafter referred to), for value received, hereby promises to pay to CEDE & CO., or registered assigns, the principal sum of
$                     on June 15, 2022 (“Stated Maturity” with respect to the principal of this Note), unless previously
redeemed, and to pay interest at the rate of 3.30% per annum on said principal sum from                      or from the most recent
Interest Payment Date to which interest has been paid or duly provided for, until the principal of this Note becomes due and payable, and on any overdue principal and premium and (to the extent that payment of such interest is enforceable under
applicable law) on any overdue installment of interest at the same rate per annum during such overdue period. Interest on this Note will be payable semiannually in arrears on June 15 and December 15 of each year (each such date, an
“Interest Payment Date”), commencing                     . The amount of interest payable for any period shall be computed on the
basis of twelve 30-day months and a 360-day year. 
 In the event that any Interest Payment Date, redemption date or other date of Maturity
of the Notes is not a Business Day, then payment of the amount payable on such date will be made on the next succeeding day which is a Business Day (and without any interest or other payment in respect of any such delay), in each case with the same
force and effect as if made on such date. 

  
 A-1 

 A “Business Day” means any day other than a day on which banking institutions in the
State of New York or the State of Michigan are authorized or obligated pursuant to law or executive order to close. The interest installment so payable, and punctually paid or duly provided for, on any Interest Payment Date with respect to this Note
will, as provided in the Indenture, be paid to the person in whose name this Note is registered at the close of business on the relevant record date for such interest installment, which shall be the fifteenth calendar day (whether or not a Business
Day) prior to the relevant Interest Payment Date (the “Regular Record Date”). Any such interest installment not punctually paid or duly provided for shall forthwith cease to be payable to the registered Holders on such Regular Record Date,
and may either be paid to the person in whose name this Note is registered at the close of business on a Special Record Date to be fixed by the Trustee for the payment of such defaulted interest, notice whereof shall be given to the registered
Holders of the Notes not less than ten days prior to such Special Record Date, or may be paid at any time in any other lawful manner not inconsistent with the requirements of any securities exchange on which the Notes may be listed, and upon such
notice as may be required by such exchange, all as more fully provided in the Indenture. The principal of, and premium, if any, and the interest on the Notes shall be payable at the office or agency of the Company maintained for that purpose in the
Borough of Manhattan, The City of New York, in any coin or currency of the United States of America which at the time of payment is legal tender for payment of public and private debts; provided, however, that payment of interest may be made at the
option of the Company by check mailed to the registered Holder at the close of business on the Regular Record Date at such address as shall appear in the Security Register. Notwithstanding anything else contained herein, if this Note is a Global
Note and is held in book-entry form through the facilities of the Depositary, payments on this Note will be made to the Depositary or its nominee in accordance with arrangements then in effect between the Trustee and the Depositary. 

This Note is one of a duly authorized series of Securities of the Company, designated as the “2015 Series BR 3.30% Senior Notes due
2022” (the “Notes”), initially limited to an aggregate principal amount of $300,000,000 (except for Notes authenticated and delivered upon transfer of, or in exchange for, or in lieu of other Notes, and except as further provided in
the Indenture), all issued or to be issued under and pursuant to an Amended and Restated Indenture, dated as of April 9, 2001, as supplemented through and including the Supplemental Indenture dated as of April 15, 2016 (together, as
amended, supplemented or modified, the “Indenture”), duly executed and delivered between the Company and The Bank of New York Mellon Trust Company, N.A., as successor trustee (herein referred to as the “Trustee”, which term
includes any successor trustee under the Indenture), to which Indenture reference is hereby made for a description of the respective rights, limitations of rights, obligations, duties and immunities thereunder of the Trustee, the Company and the
registered Holders of the Notes and of the terms upon which the Notes are, and are to be, authenticated and delivered. 
 This Note is not
subject to repayment at the option of the Holder hereof. This Note is not subject to any sinking fund. 
 This Note will be redeemable at
the option of the Company, in whole or in part, at any time (any such date of optional redemption, an “Optional Redemption Date,” which shall be a “Redemption Date” for purposes of the Indenture) at the redemption prices set
forth below. At any time prior to the Par Call Date, the optional redemption price (which shall be a “Redemption 

  
 A-2 

 
Price” for purposes of the Indenture) will be equal to the greater of (i) 100% of the principal amount of this Note to be redeemed on the Optional Redemption Date and (ii) the sum
of the present values of the remaining scheduled payments of principal and interest on this Note to be redeemed that would be due if this Note matured on the Par Call Date (not including any portion of any payments of interest accrued to, but not
including, the Optional Redemption Date), discounted to the Optional Redemption Date on a semiannual basis (assuming a 360-day year consisting of 30-day months) at the Adjusted Treasury Rate (as defined below) plus 20 basis points, as determined by
the Quotation Agent (as defined below), plus in each case, accrued and unpaid interest thereon to the Optional Redemption Date. At any time on or after the Par Call Date, the optional redemption price will be equal to 100% of the principal amount of
this Note to be redeemed, plus accrued and unpaid interest thereon to the redemption date. 
 Notwithstanding the foregoing, installments of
interest on this Note that are due and payable on Interest Payment Dates falling on or prior to a Redemption Date will be payable on the Interest Payment Date to the registered Holders as of the close of business on the relevant Record Date. 

“Adjusted Treasury Rate” means, with respect to any Optional Redemption Date, the rate per annum equal to the semiannual equivalent
yield to maturity of the Comparable Treasury Issue, calculated on the third Business Day preceding such Optional Redemption Date, using a price for the Comparable Treasury Issue (expressed as a percentage of its principal amount) equal to the
Comparable Treasury Price for such Optional Redemption Date. 
 “Comparable Treasury Issue” means the United States Treasury
security selected by the Quotation Agent as having a maturity comparable to the remaining term of this Note to be redeemed that would be utilized (assuming for this purpose that this Note matured on the Par Call Date), at the time of selection and
in accordance with customary financial practice, in pricing new issues of corporate debt securities of comparable maturity to the remaining term of this Note. 

“Comparable Treasury Price” means, with respect to any Optional Redemption Date, (i) the average of the Reference Treasury
Dealer Quotations for such Optional Redemption Date, after excluding the highest and lowest of such Reference Treasury Dealer Quotations, or (ii) if the Quotation Agent obtains fewer than three of such Reference Treasury Dealer Quotations, the
average of all such quotations, or (iii) if only one Reference Treasury Dealer Quotation is received, such quotation. 
 “Par Call
Date” means April 15, 2022. 
 “Quotation Agent” means one of the Reference Treasury Dealers appointed by the Company.

 “Reference Treasury Dealer” means: (i) each of J.P. Morgan Securities LLC, TD Securities (USA) LLC and UBS Securities LLC
(or their respective affiliates which are Primary Treasury Dealers), and their respective successors; provided, however, that if any of the foregoing shall cease to be a primary U.S. Government securities dealer in the United States (a “Primary
Treasury Dealer”), the Company shall substitute therefor another Primary Treasury Dealer; and (ii) any other Primary Treasury Dealer(s) selected by the Company. 

  
 A-3 

 “Reference Treasury Dealer Quotation” means, with respect to each Reference Treasury
Dealer and any Optional Redemption Date, the average, as determined by the Quotation Agent, of the bid and asked prices for the Comparable Treasury Issue (expressed in each case as a percentage of its principal amount) quoted in writing to the
Quotation Agent by such Reference Treasury Dealer at 5:00 p.m., New York City time, on the third Business Day preceding such Optional Redemption Date. 

Notice of any optional redemption will be sent at least 30 days but not more than 60 days before the Optional Redemption Date to the Holder
hereof at its registered address. 
 If at the time notice of redemption has been given, the Company has not deposited with the Trustee (or
a Paying Agent) monies sufficient to redeem all of the notes called for redemption, such notice shall state that it is subject to the receipt of the redemption monies by the Trustee (or a Paying Agent) on or before the redemption date and such
notice will be of no effect unless such monies are so received before such date. 
 If money sufficient to pay the applicable Redemption
Price with respect to the principal amount of and accrued interest on the principal amount of this Note to be redeemed on the applicable Redemption Date is deposited with the Trustee or Paying Agent on or before the related Redemption Date and
certain other conditions are satisfied, then on or after such Redemption Date, interest will cease to accrue on the principal amount of this Note called for redemption. If the Notes are only partially redeemed by the Company, the Notes shall be
selected in accordance with the procedures of DTC or, if not represented by a Global Note, in a manner the Trustee may deem appropriate. 

In the event of redemption of this Note in part only, a new Note or Notes for the unredeemed portion hereof will be issued in the name of the
registered Holder hereof upon the cancellation hereof. 
 In case an Event of Default, as defined in the Indenture, shall have occurred and
be continuing, the principal hereof may be declared, and upon such declaration shall become, due and payable, in the manner, with the effect and subject to the conditions provided in the Indenture. 

The Indenture contains provisions for defeasance at any time of the entire indebtedness of this Note upon compliance by the Company with
certain conditions set forth therein. 
 The Indenture permits, with certain exceptions as therein provided, the amendment thereof and the
modification of the rights and obligations of the Company and the rights of the Holders of the Notes under the Indenture at any time by the Company and the Trustee with the consent of the Holders of a majority of the aggregate principal amount of
all Notes issued under the Indenture at the time outstanding and affected thereby; provided, however, that no such amendment shall without the consent of the Holder of each Note so affected, among other things (i) change the stated maturity of
the principal of, or any installment of principal of or interest on any Notes, or reduce the principal amount thereof, or reduce the rate of interest thereon, or reduce any premium payable upon the redemption thereof or (ii) reduce the
percentage of Notes, the Holders of which are required to consent to any amendment or waiver or for certain other 

  
 A-4 

 
matters as set forth in the Indenture. The Indenture also contains provisions permitting (i) the registered Holders of 66 2/3% in aggregate principal amount of the Securities at the time
outstanding affected thereby, on behalf of the registered Holders of the Securities, to waive compliance by the Company with certain provisions of the Indenture and (ii) the registered Holders of not less than a majority in aggregate principal
amount of the Securities at the time outstanding affected thereby, on behalf of the registered Holders of the Securities, to waive certain past defaults under the Indenture and their consequences. Any such consent or waiver by the registered Holder
of this Note (unless revoked as provided in the Indenture) shall be conclusive and binding upon such registered Holder and upon all future registered Holders and owners of this Note and of any Note issued in exchange hereof or in place hereof
(whether by registration of transfer or otherwise), irrespective of whether or not any notation of such consent or waiver is made upon this Note. 

No reference herein to the Indenture and no provision of this Note or of the Indenture shall alter or impair the obligation of the Company,
which is absolute and unconditional, to pay the principal of and premium, if any, and interest on this Note at the time and place and at the rate and in the coin or currency herein prescribed. 

As provided in the Indenture and subject to certain limitations therein set forth, the transfer of this Note is registrable in the Security
Register of the Company, upon surrender of this Note for registration of transfer at the office or agency of the Company in any place where the principal of and any interest on this Note are payable or at such other offices or agencies as the
Company may designate, duly endorsed by or accompanied by a written instrument or instruments of transfer in form satisfactory to the Company and the Security Registrar or any transfer agent duly executed by the registered Holder hereof or his or
her attorney duly authorized in writing, together with the completed and executed Transfer Certificate attached hereto, and thereupon one or more new Notes of this series and of like tenor, of authorized denominations and for the same aggregate
principal amount will be issued to the designated transferee or transferees. No service charge will be made for any such transfer, but the Company may require payment of a sum sufficient to cover any tax or other governmental charge payable in
relation thereto. 
 Prior to due presentment for registration of transfer of this Note, the Company, the Trustee, any paying agent and any
Security Registrar may deem and treat the registered Holder hereof as the absolute owner hereof (whether or not this Note shall be overdue and notwithstanding any notice of ownership or writing hereon made by anyone other than the Security
Registrar) for the purpose of receiving payment of or on account of the principal hereof and interest due hereon and for all other purposes, and neither the Company nor the Trustee nor any paying agent nor any Security Registrar shall be affected by
any notice to the contrary. 
 The Notes are issuable only in fully registered form without coupons in denominations of $1,000 and any
integral multiple thereof. This Global Note is exchangeable for Notes in definitive form only under certain limited circumstances set forth in the Indenture. The Notes so issued are issuable only in registered form without coupons in denominations
of $1,000 and any integral multiple thereof. As provided in the Indenture and subject to certain limitations therein set forth, the Notes are exchangeable for a like aggregate principal amount of the Notes of a different authorized denomination, as
requested by the registered Holder surrendering the same. 

  
 A-5 

 As set forth in, and subject to the provisions of, the Indenture, no registered owner of any Note
will have any right to institute any proceeding with respect to the Indenture or for any remedy thereunder, unless (i) such registered owner shall have previously given to the Trustee written notice of a continuing Event of Default with respect
to the Notes, (ii) the registered owners of not less than 25% in principal amount of the outstanding Notes shall have made written request, and offered reasonable indemnity, to the Trustee to institute such proceeding as trustee, (iii) the
Trustee shall have failed to institute such proceeding within 60 days and (iv) the Trustee shall not have received from the registered owners of a majority in principal amount of the outstanding Notes a direction inconsistent with such request
within such 60-day period; provided, however, that such limitations do not apply to a suit instituted by the registered owner hereof for the enforcement of payment of the principal of or premium, if any, or any interest on this Note on or after the
respective due dates expressed herein. 
 Unless the Certificate of Authentication hereon has been executed by the Trustee or a duly
appointed Authentication Agent referred to herein, this Note shall not be entitled to any benefit under the Indenture or be valid or obligatory for any purpose. 

The Indenture and this Note shall be governed by and construed in accordance with the laws of the State of New York. 

All terms used in this Note which are defined in the Indenture shall have the meanings assigned to them in the Indenture. 

  
 A-6 

 IN WITNESS WHEREOF, the Company has caused this Instrument to be duly executed. 

 

			
	DTE ENERGY COMPANY
		
	By:	 	  

		 	 Name:
		 	 Title:

 Date: 
 Attest: 

 

			
	By:	 	  

		 	Name:
		 	Title:

  
 A-7 

 CERTIFICATE OF AUTHENTICATION 

This is one of the Notes described in the within mentioned Indenture. 

 

			
	 THE BANK OF NEW YORK MELLON TRUST
COMPANY, N.A.

as Trustee

		
	By:	 	  

		 	Authorized Signatory

 Date: 

  
 A-8 

 FOR VALUE RECEIVED, the undersigned hereby sell(s), assign(s) and transfer(s) unto 

 
  

(Please insert Social Security or Other Identifying Number of Assignee) 

 
  

(Please print or type name and address, including zip code of assignee) 

the within Note and all rights thereunder, hereby irrevocably constituting and appointing such person attorneys to transfer the within Note on the books of
the Issuer, with full power of substitution in the premises. 
 Dated: 

NOTICE: The signature of this assignment must correspond with the name as written upon the face of the within Note in every particular, without alteration or
enlargement or any change whatever and NOTICE: Signature(s) must be guaranteed by a financial institution that is a member of the Securities Transfer Agents Medallion Program (“STAMP”), the Stock Exchange, Inc. Medallion Signature Program
(“MSP”). When assignment is made by a guardian, trustee, executor or administrator, an officer of a corporation, or anyone in a representative capacity, proof of his or her authority to act must accompany this Note. 

  
 A-9

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