EX-10.6





 Exhibit 10.6 

Execution Version 

ELEVENTH SUPPLEMENTAL INDENTURE 

This Eleventh Supplemental Indenture (this “Supplemental Indenture”), dated as of April 1, 2021, is by and among
Energy Transfer LP, a Delaware limited partnership, as successor entity under the Indenture referred to below (in such capacity, the “Successor Entity”), Regency Energy Finance Corp., a Delaware corporation
(“Regency Finance”), and Wells Fargo Bank, National Association, as trustee (the “Trustee”). 

WITNESSETH 
 WHEREAS,
Regency Energy Partners LP, a Delaware limited partnership (“Regency”), and Regency Finance (together with Regency, the “Original Issuers”) duly issued 4.500% Senior Notes due 2023 (the
“Notes”) in an aggregate principal amount of $600,000,000, pursuant to the Indenture dated as of April 30, 2013, by and among the Original Issuers, the guarantors party thereto and the Trustee (as amended, supplemented
or otherwise modified to date, the “Indenture”); 
 WHEREAS, on August 10, 2015, Energy Transfer, LP, a
Delaware limited partnership (formerly, Energy Transfer Partners, L.P.) (“ETLP”), assumed all of Regency’s obligations under the Notes and the Indenture pursuant to that certain Eighth Supplemental Indenture, dated as of
August 10, 2015, among ETLP, Regency Finance and the Trustee; 
 WHEREAS, ETLP assigned all or substantially all of its properties and
assets to Energy Transfer Operating, L.P., a Delaware limited partnership (“ETO”), as successor to Energy Transfer Partners, L.P. pursuant to that certain Assignment Agreement dated as of December 1, 2017 and ETO became
a co-obligor under the Indenture; 
 WHEREAS, the Notes are the only series of securities
outstanding under the Indenture on the date hereof; 
 WHEREAS, on December 12, 2017, Sunoco Logistics Partners Operations L.P., a
Delaware limited partnership (“SXL”), fully and unconditionally guaranteed the payment obligations of ETO and Regency Finance pursuant to that certain Tenth Supplemental Indenture; 

WHEREAS, SXL merged with and into ETO and ETO merged (the “Merger”) with and into the Successor Entity pursuant to
that certain Agreement and Plan of Merger dated April 1, 2021 by and between ETO and the Successor Entity; 
 WHEREAS,
Section 5.01(a) of the Indenture provides that ETO may, among other things, merge with or into another Person if, among other things, the Person surviving the Merger expressly assumes ETO’s obligations under the Notes and the Indenture;

 WHEREAS, Section 9.01(3) of the Indenture provides that, without the consent of any Holders, the Indenture may be amended to provide
for the assumption of ETO’s obligations to the Holders of the Notes in the case of a merger; 
 WHEREAS, the Successor Entity, Regency
Finance, and ETO desire and have requested that the Trustee join in entering into this Supplemental Indenture for the purpose of evidencing the assumption by the Successor Entity of ETO’s obligations to the Holders of the Notes under the
Indenture; 

  
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 WHEREAS, the Successor Entity and Regency Finance have delivered to the Trustee an
Officers’ Certificate and an Opinion of Counsel, each stating that (i) the Merger and this Supplemental Indenture comply with the Indenture, (ii) all conditions precedent provided in the Indenture relating to the execution and
delivery of this Supplemental Indenture have been complied with and (iii) the execution of this Supplemental Indenture is authorized or permitted by the Indenture; 

WHEREAS, the Successor Entity and Regency Finance have been authorized by Board Resolutions or equivalent partnership or corporate action to
enter into this Supplemental Indenture; 
 WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to execute and
deliver this Supplemental Indenture; 
 WHEREAS, this Supplemental Indenture shall not result in a material modification of the Notes for
purposes of compliance with the Foreign Accounts Tax Compliance Act; and 
 WHEREAS, all conditions necessary to authorize the execution and
delivery of this Supplemental Indenture by the Successor Entity and Regency Finance to make this Supplemental Indenture valid and binding on the Successor Entity and Regency Finance, as applicable, have been complied with or have been done or
performed. 
 NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt and sufficiency
of which are hereby acknowledged, the Successor Entity, Regency Finance and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows: 

ARTICLE ONE 
 Section 1.01.
CAPITALIZED TERMS. Terms used herein and not defined herein shall have the meanings assigned to them in the Indenture. 
 ARTICLE TWO 

Section 2.01. EFFECTIVENESS OF SUPPLEMENTAL INDENTURE. This Supplemental Indenture shall become effective as of the date hereof upon its
execution by the Successor Entity, Regency Finance and the Trustee. 
 Section 2.02. ASSUMPTION OF OBLIGATIONS. The Successor Entity
hereby expressly assumes the obligations of ETO under the Indenture and the Notes. 
 Section 2.03. NOTICES. All notices or other
communications to the Successor Entity shall be given as provided in the Indenture addressed as follows: 
 Energy Transfer LP 

8111 Westchester Drive, Suite 600 

Dallas, Texas 75225 
 Attn: Ashton
Hayse 

  
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 ARTICLE THREE 

Section 3.01. RATIFICATION OF THE INDENTURE; SUPPLEMENTAL INDENTURE. The Indenture is in all respects ratified and confirmed and all the
terms, conditions and provisions thereof shall remain in full force and effect. Upon the execution and delivery of this Supplemental Indenture by the Successor Entity, Regency Finance and the Trustee, this Supplemental Indenture shall form a part of
the Indenture for all purposes, and the Successor Entity, Regency Finance, the Trustee and every Holder of each series of Notes heretofore or hereafter authenticated and delivered shall be bound hereby. Any and all references to the Indenture,
whether within such indenture or in any notice, certificate or other instrument or document, shall be deemed to include a reference to this Supplemental Indenture (whether or not made), unless the context shall require otherwise. 

Section 3.02. GOVERNING LAW. THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF
NEW YORK. 
 Section 3.03. THE TRUSTEE. The Trustee shall not be responsible in any manner for or in respect of the validity or
sufficiency of this Supplemental Indenture or for or in respect of the recitals or statements contained herein, all of which are made by the Successor Entity and Regency Finance, and the Trustee assumes no responsibility for their correctness. 

Section 3.04. SUCCESSORS. All covenants and agreements of the Trustee in this Supplemental Indenture shall bind its successors and
assigns. All covenants and agreements of the Successor Entity in this Supplemental Indenture shall bind its successors and assigns. 

Section 3.05. COUNTERPARTS. The parties may sign any number of copies of this Supplemental Indenture. Each signed copy shall be an
original, but all of them together represent the same agreement. The exchange of copies of this Supplemental Indenture and of signature pages by facsimile or electronic format (i.e. “pdf” or “tif”) transmission shall constitute
effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or electronic format
(i.e. “pdf” or “tif”) shall be deemed to be their original signatures for all purposes. 
 Section 3.06.
EFFECT OF HEADINGS. The Section headings herein are for convenience only and shall not affect the construction hereof. 
 Section 3.07.
SEVERABILITY. If any provision in this Supplemental Indenture shall be invalid, illegal or unenforceable, the validity, legality or enforceability of the remaining provisions of this Supplemental Indenture or any of the Indentures shall not in any
way be affected or impaired thereby. This Supplemental Indenture is subject to the provisions of the Trust Indenture Act that are required to be part of the Indenture and shall, to the extent applicable, be governed by such provisions. If any
provision of this Supplemental Indenture limits, qualifies or conflicts with another provision hereof which is required to be included herein by any provisions of the Trust Indenture Act, such required provision shall control. 

[Signature Pages Follow] 

  
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 IN WITNESS WHEREOF, each of the undersigned has caused this Supplemental Indenture to be
duly executed as of the date first above written. 
  

			
	SUCCESSOR ENTITY:
	
	ENERGY TRANSFER LP
		
	By:	 	LE GP, LLC, its general partner
		
	By:	 	/s/ Thomas E. Long
		 	Name: Thomas E. Long
		 	Title:  Co-Chief Executive Officer
	
	REGENCY FINANCE:
	
	REGENCY ENERGY FINANCE CORP.
		
	By:	 	/s/ Thomas E. Long
		 	Name: Thomas E. Long
		 	Title:  Chief Financial Officer


 Eleventh Supplemental Indenture to 

April 2013 Wells Fargo Indenture 












 
			
	TRUSTEE:
	
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Joel Odenbrett

	Name:	 	Joel Odenbrett
	Title:	 	Assistant Vice President


 Eleventh Supplemental Indenture to 

April 2013 Wells Fargo Indenture