TWELFTH SUPPLEMENTAL INDENTURE

This Twelfth Supplemental Indenture (this “Supplemental Indenture”), dated as of August 10, 2015, is by and among Energy Transfer Partners, L.P., a Delaware limited partnership (“ETP”), as successor entity under each of the Indentures referred to below (in such capacity, the “Successor Entity”), Regency Energy Finance Corp., a Delaware corporation (“Regency Finance”), and U.S. Bank National Association, as trustee (the “Trustee”).

WHEREAS, Regency Energy Partners LP, a Delaware limited partnership (“Regency”), Regency Finance (together with Regency, the “Original Issuers”), the guarantors party thereto and the Trustee have heretofore executed and delivered an indenture, dated as of October 27, 2010 (the “Base Indenture”);

WHEREAS, the following series of Debt Securities have been issued pursuant to the Base Indenture and are outstanding as of the date of this Supplemental Indenture: the 6½% Senior Notes due 2021 (the “2021 Notes”) issued under the Base Indenture, as supplemented by the Third Supplemental Indenture thereto dated as of May 26, 2011 (the Base Indenture, as so supplemented by the Third Supplemental Indenture and as further amended, supplemented or otherwise modified to date solely with respect to the 2021 Notes, the “2021 Notes Indenture”), and the 5.500% Senior Notes due 2023 (the “2023 Notes” and, together with the 2021 Notes, the “Notes”) issued under the Base Indenture, as supplemented by the Fifth Supplemental Indenture thereto dated as of October 2, 2012 (the Base Indenture, as so supplemented by the Fifth Supplemental Indenture and as further amended, supplemented or otherwise modified to date solely with respect to the 2023 Notes, the “2023 Notes Indenture”; the 2021 Notes Indenture and the 2023 Notes Indenture are referred to herein collectively as the “Indentures” and each individually as an “Indenture”);

WHEREAS, the Notes are the only series of securities outstanding under the Indentures;

WHEREAS, the Original Issuers’ obligations under the 2021 Notes and the 2023 Notes are guaranteed by the Guarantors;

WHEREAS, Regency has assigned all or substantially all of its properties and assets (the “Regency Assignment”) to the Successor Entity pursuant to that certain Assignment Agreement dated as of August 10, 2015 by and among Regency, Regency Finance, Regency OLP GP LLC, a Delaware limited liability company, Regency Gas Services, LP, a Delaware limited partnership, and the Successor Entity;

WHEREAS, Section 10.01(a) of each Indenture provides that Regency may, among other things, sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of the properties or assets of Regency and its Subsidiaries, taken as a whole, in one or more related transactions, to another Person if, among other things, the Person to which such sale, assignment, transfer, lease, conveyance or other disposition of such properties or assets is made expressly assumes Regency’s obligations under the Notes and each Indenture;

WHEREAS, Section 9.01(3) of each Indenture provides that, without the consent of any Holders, each Indenture may be amended to provide for the assumption of Regency’s obligations to the Holders of the 2021 Notes and the 2023 Notes, as applicable, in the case of a sale of all or substantially all of Regency’s properties or assets;

WHEREAS, Section 14.05(c) of each Indenture provides that at such time as any Guarantor ceases to guarantee any other Indebtedness of an Issuer or another Guarantor, such Guarantor will be released and relieved of any obligations under its Note Guarantee, provided that, if it is also a Domestic Subsidiary, it is no longer an obligor with respect to any Indebtedness under any Credit Facility;

WHEREAS, the Guarantors no longer guarantee any other Indebtedness of an Issuer and no Guarantor is an obligor with respect to any Indebtedness under any Credit Facility;

WHEREAS, the Successor Entity and Regency Finance desire and have requested the Trustee to join in entering into this Supplemental Indenture for the purpose of evidencing the assumption by the Successor Entity of Regency’s obligations to the Holders of the Notes under each of the Indentures;

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 Regency Assignment complies with all conditions precedent provided in each of the Indentures, including the provisions of Article 10 in each such Indenture, (ii) all conditions precedent provided in each of the Indentures relating to the execution and delivery of this Supplemental Indenture have been complied with and (iii) all conditions precedent provided for in each of the Indentures relating to the release of the Parent Guarantor described in Section 2.02 hereof have been complied with;

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 each of the Indentures, 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 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:

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

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

Section 2.02. ASSUMPTION OF OBLIGATIONS; PARENT GUARANTEE RELEASE. The Successor Entity hereby expressly assumes the obligations of Regency under each of the Indentures and the Notes. In connection with the foregoing, the Successor Entity’s obligations as Parent Guarantor under the Parent Guarantee of the applicable series of Notes are released in accordance with Section 12.08 of each Indenture.

Section 2.03. GUARANTOR RELEASE. In accordance with Section 14.05(c) of each Indenture, each Guarantor of the 2021 Notes and the 2023 Notes is hereby released and relieved of any obligations under its Note Guarantee under each Indenture.

Section 2.04. NOTICES. All notices or other communications to the Successor Entity shall be given as provided in each of the Indentures addressed as follows:

Section 3.01. RATIFICATION OF EACH INDENTURE; 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, Regency Finance and the Trustee, this Supplemental Indenture shall form a part of each of the Indentures 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 2021 Notes Indenture or the 2023 Notes 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 each of the Indentures 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.