Document

This Eighth Supplemental Indenture (this “Supplemental Indenture”), dated as of November 3, 2022, is by and among Panhandle Eastern Pipe Line Company, LP, a Delaware limited partnership (the “Original Company”), Energy Transfer LP, a Delaware limited partnership (the “Successor Company”), and The Bank of New York Mellon Trust Company, N.A. (formerly known as The Bank of New York Trust Company, N.A.), a national banking association, as trustee under the Indenture referred to below (the “Trustee”).

WHEREAS, the Original Company has heretofore executed and delivered to the Trustee an Indenture, dated as of March 29, 1999, between the Original Company and the Trustee as supplemented and amended by that certain First Supplemental Indenture, dated as of March 29, 1999, that certain Second Supplemental Indenture, dated as of March 27, 2000, that certain Third Supplemental Indenture, dated as of August 18, 2003, that certain Fourth Supplemental Indenture, dated as of March 12, 2004, that certain Fifth Supplemental Indenture, dated as of October 26, 2007, that certain Sixth Supplemental Indenture, dated as of June 12, 2008, and that certain Seventh Supplemental Indenture, dated as of June 2, 2009 (as so supplemented and amended, the “Indenture”);

WHEREAS, the Original Company has entered into that certain Internal Reorganization Agreement, dated as of November 3, 2022, by and among the Original Company, Energy Transfer Interstate Holdings, LLC, a Delaware limited liability company (“ETIH”), and the Successor Company, pursuant to which the Original Company will assign, transfer and convey all right, title and interest in and to (i) 100% of the issued and outstanding limited liability company membership interests of ETIH; and (ii) 100% of the issued and outstanding limited liability company membership interests in certain subsidiaries of the Original Company (the “Internal Reorganization”);

WHEREAS, Section 4.05 of the Indenture provides that the Original Company may convey, transfer or lease its properties and assets substantially as an entirety to any Person if, among other things, the Person which acquires by conveyance or transfer, or which leases, the properties and assets of the Original Company substantially as an entirety expressly assumes, by an indenture supplemental to the Indenture, executed and delivered to the Trustee, the Original Company’s obligation for the due and punctual payment of the principal of (and premium, if any, on) and interest on all the securities and the performance and observance of every covenant of the Indenture on the part of the Original Company to be performed or observed;

WHEREAS, Section 9.01 of the Indenture provides that, without the consent of any holders of securities, the Original Company and the Trustee may enter into an indenture supplemental to the Indenture to comply with Section 4.05 of the Indenture;

WHEREAS, the Original Company desires and has requested the Trustee to join with the Original Company and the Successor Company in entering into this Supplemental Indenture for the purpose of evidencing the succession of the Successor Company to the Original Company and the assumption by the Successor Company of the covenants of the Original Company contained in the Indenture and in the securities;

WHEREAS, the Original Company has delivered to the Trustee an Officers’ Certificate and an Opinion of Counsel, each stating that the Internal Reorganization and this Supplemental Indenture comply with and conforms to the terms of Articles IV and IX of the Indenture, the execution of this Supplemental Indenture is authorized or permitted by Article IX and that all conditions precedent provided in the Indenture relating to the Internal Reorganization and the execution and delivery of this Supplemental Indenture have been complied with;

WHEREAS, all conditions necessary to authorize the execution and delivery of this Supplemental Indenture by the Original Company and the Successor Company and to make this Supplemental Indenture valid and binding on the Original Company and the Successor Company 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 Original Company, the Successor Company and the Trustee mutually covenant and agree for the equal and ratable benefit of the holders of securities or of any series thereof as follows:

Section 2.01. EFFECTIVENESS OF SUPPLEMENTAL INDENTURE. This Supplemental Indenture shall become effective as of the date hereof upon its execution by the Original Company, the Successor Company and the Trustee.

Section 2.02. ASSUMPTION OF OBLIGATIONS. The Successor Company hereby expressly assumes the Original Company’s obligation for the due and punctual payment of the principal of (and premium, if any, on) and interest on all the securities and the performance and observance of every covenant of the Indenture on the part of the Original Company to be performed or observed.

Section 3.01. RATIFICATION OF INDENTURE; SUPPLEMENTAL INDENTURE. The Indenture, as supplemented by this Supplemental 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 Original Company, the Successor Company and the Trustee, this Supplemental Indenture shall form a part of the Indenture for all purposes, and the Original Company, the Successor Company, the Trustee and every holder of securities heretofore or hereafter authenticated and delivered shall be bound hereby. Any and all references to the 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.

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 Original Company and the Successor Company 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 Original Company and Successor Company in this Supplemental Indenture shall bind their 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 3.07. 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 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 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.