EX-10.3





 Exhibit 10.3 

Execution Version 

FIFTH SUPPLEMENTAL INDENTURE 

This Fifth Supplemental Indenture (this “Supplemental Indenture”), dated as of April 1, 2021, is by and between
Energy Transfer LP, a Delaware limited partnership, as successor entity under the Indenture referred to below (in such capacity, the “Successor Entity”), and U.S. Bank National Association, as trustee (the
“Trustee”). 
 WITNESSETH 

WHEREAS, Energy Transfer Operating, L.P., a Delaware limited partnership (formerly Energy Transfer Partners, L.P.)
(“ETO”), Sunoco Logistics Partners Operating L.P., a Delaware limited partnership (“SXL”), as guarantor, and the Trustee have heretofore executed and delivered an indenture, dated as of June 8,
2018 (the “Base Indenture”); 
 WHEREAS, the series of Debt Securities of ETO listed on Annex A hereto
(collectively, the “Notes”) have been issued pursuant to the Base Indenture and each applicable supplemental indenture listed therein and are outstanding as of the date of this Supplemental Indenture (the Base Indenture, as
so supplemented by the applicable supplemental indentures listed on Annex A hereto and as further amended, supplemented or otherwise modified to date solely with respect to each series of Notes, the “Indentures” and,
each, an “Indenture”); 
 WHEREAS, the Notes are the only series of securities outstanding under each of the
Indentures; 
 WHEREAS, SXL merged into ETO, with ETO surviving, 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 of each of the Indentures 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(2) of each of the Indentures provides that, without the consent of any Holders, the applicable Indenture may be amended to comply with Section 5.01; 

WHEREAS, the Successor Entity desires and has requested the Trustee to 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 each series of Notes under each applicable Indenture; 

WHEREAS, the Successor Entity has delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that
(i) the Merger complies with all conditions precedent provided in each applicable Indenture, including the provisions of Article Five in such Indenture, (ii) all conditions precedent provided in the applicable Indenture relating to the
execution and delivery of this Supplemental Indenture have been complied with and (iii) the Merger and Supplemental Indenture comply with the Indenture, are authorized or permitted by the terms of the Indenture, and are valid and binding upon
the Successor Entity pursuant to the respective terms thereof; 

  
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 WHEREAS, the Successor Entity has been authorized by Board Resolutions or equivalent
partnership or corporate action to enter into this Supplemental Indenture; 
 WHEREAS, pursuant to Section 9.01 of each applicable
Indenture, the Trustee is authorized to execute and deliver this Supplemental Indenture; and 
 WHEREAS, all conditions necessary to
authorize the execution and delivery of this Supplemental Indenture by the Successor Entity to make this Supplemental Indenture valid and binding on the Successor Entity 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 and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of each series of 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 applicable 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 and the Trustee. 
 Section 2.02. ASSUMPTION OF OBLIGATIONS. The Successor Entity hereby
expressly assumes the obligations of ETO under each applicable Indenture and each series of Notes. 
 Section 2.03. NOTICES. All
notices or other communications to the Successor Entity shall be given as provided in the Indentures addressed as follows: 
 Energy Transfer
LP 
 8111 Westchester Drive, Suite 600 

Dallas, Texas 75225 
 Attn: Ashton
Hayse 
 ARTICLE THREE 

Section 3.01. RATIFICATION OF THE INDENTURES; SUPPLEMENTAL INDENTURE. Each of the Indentures 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 and the Trustee, this Supplemental Indenture shall form a part of each
applicable Indenture for all purposes, and the Successor Entity, 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 applicable Indenture,
whether within the 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. 

  
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 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 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 the applicable Indenture 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 applicable 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


  

			
	TRUSTEE:
	
	 U.S. BANK NATIONAL ASSOCIATION, as Trustee

		
	By:	 	/s/ Alejandro Hoyos
	Name:	 	Alejandro Hoyos
	Title:	 	Vice President


 Fifth Supplemental Indenture to 

U.S. Bank Indenture 












 Annex A 

ETO Senior Notes 
  

	 	•	 	 4.200% Senior Notes due 2023 (issued pursuant to the First Supplemental Indenture, dated as of June 8, 2018
(the “First Supplemental Indenture”)) 


  

	 	•	 	 4.950% Senior Notes due 2028 (issued pursuant to the First Supplemental Indenture) 



 

	 	•	 	 5.800% Senior Notes due 2038 (issued pursuant to the First Supplemental Indenture) 



 

	 	•	 	 6.000% Senior Notes due 2048 (issued pursuant to the First Supplemental Indenture) 



 

	 	•	 	 4.500% Senior Notes due 2024 (issued pursuant to the Second Supplemental Indenture, dated as of January 15,
2019 (the “Second Supplemental Indenture”)) 


  

	 	•	 	 5.250% Senior Notes due 2029 (issued pursuant to the Second Supplemental Indenture) 



 

	 	•	 	 6.250% Senior Notes due 2049 (issued pursuant to the Second Supplemental Indenture) 



 

	 	•	 	 4.250% Senior Notes due 2023 (issued pursuant to the Third Supplemental Indenture, dated as of March 25,
2019 (the “Third Supplemental Indenture”)) 


  

	 	•	 	 5.875% Senior Notes due 2024 (issued pursuant to the Third Supplemental Indenture) 



 

	 	•	 	 5.500% Senior Notes due 2027 (issued pursuant to the Third Supplemental Indenture) 



 

	 	•	 	 2.900% Senior Notes due 2025 (issued pursuant to the Fourth Supplemental Indenture, dated as of January 22,
2020 (the “Fourth Supplemental Indenture”)) 


  

	 	•	 	 3.750% Senior Notes due 2030 (issued pursuant to the Fourth Supplemental Indenture) 



 

	 	•	 	 5.000% Senior Notes due 2050 (issued pursuant to the Fourth Supplemental Indenture)