Document:

EX-10.1

 Exhibit 10.1 

GUARANTEE OF COLLECTION 

THIS GUARANTEE OF COLLECTION (this “Guarantee”) is made as of January 23, 2018, by ETC M-A ACQUISITION LLC, a Delaware limited liability company (the “Guarantor”), to SUNOCO LP, a Delaware limited partnership (“Sunoco LP”), and SUNOCO FINANCE CORP., a
Delaware corporation (“Finance Corp” and, together with Sunoco LP, the “Sunoco Issuers”), to provide a guarantee of collection, on the terms set forth herein, for the benefit of the holders (the
“Holders”) of the Supported Debt (as hereinafter defined) and the trustee (the “Trustee”) under the Indenture dated January 23, 2018 (the “Senior Notes Indenture”) with
respect to the (i) $1 billion aggregate principal amount of the Sunoco Issuers’ 4.875% senior notes due 2023, (ii) $800 million aggregate principal amount of the Sunoco Issuers’ 5.500% senior notes due 2026 and (iii)
$400 million aggregate principal amount of the Sunoco Issuers’ 5.875% senior notes due 2028 (together with any senior notes of the Sunoco Issuers with substantially identical terms that are issued to the Holders pursuant to a registration
statement under the Securities Act of 1933, as amended, the “Supported Debt”). The Guarantor and Sunoco Issuers may hereinafter be referred to individually as a “Party” or collectively as the
“Parties.” 
 RECITALS 

WHEREAS, the Parties previously entered into (i) that certain Guarantee of Collection, dated as of April 7, 2016 (the
“2021 Notes Guarantee”), pursuant to which, among other things, the Guarantor agreed to provide a guarantee of collection, on the terms set forth therein, for the benefit of the holders of the $800 million aggregate
principal amount of the Sunoco Issuers’ 6.250% senior notes due 2021 (the “2021 Notes”) and (ii) that certain Guarantee of Collection, dated as of April 1, 2015 (the “2023 Notes
Guarantee” and, together with the 2021 Notes Guarantee, the “Existing Notes Guarantees”), pursuant to which, among other things, the Guarantor agreed to provide a guarantee of collection, on the terms set forth
therein, for the benefit of the holders of the $800 million aggregate principal amount of the Sunoco Issuers’ 6.375% senior notes due 2023 (the “2023 Notes” and, together with the 2021 Notes, the
“Existing Supported Debt”); 
 WHEREAS, under the Existing Notes Guarantees, without the prior written consent of
the Guarantor, Sunoco LP shall not be entitled to refinance all or any portion of the Existing Supported Debt, unless, in the case of a refinancing, Sunoco LP (x) simultaneously replaces the Supported Debt with at least an equivalent amount of
new indebtedness with substantially similar covenants providing for no earlier amortization of principal than the amortization contemplated by the applicable maturity date of the Existing Supported Debt and (y) permits the Guarantor to provide
a guarantee of collection of the new refinanced indebtedness; 
 WHEREAS, on the date hereof, the Sunoco Issuers issued the Supported Debt,
and the net proceeds from such issuance will be used to repay in full the Existing Supported Debt (the “Refinancing”); 

WHEREAS, the Guarantor desires to consent to the Refinancing pursuant to Section 13(a) of each of the Existing Notes
Guarantees; and 

 WHEREAS, in furtherance of the foregoing, the Guarantor desires to enter into this Guarantee and
be bound by the terms and conditions set forth herein. 
 AGREEMENTS 

NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged by the Parties, the Parties
agree as follows: 
 1. Guarantee and Consent. Subject to the terms herein, the Guarantor (i) guarantees to the Holders
and the Trustee the full and prompt collection of the principal amount due under the Supported Debt, but not any accrued and unpaid interest thereon or any fees or other amounts of any kind whatsoever that shall be due to the Holders by the Sunoco
Issuers (the “Liabilities”) and (ii) consents pursuant to Section 13(a) of each of the Existing Notes Guarantees to the Refinancing. Notwithstanding anything herein to the contrary, the
obligations of the Guarantor under this Guarantee are obligations solely of the Guarantor and do not constitute a debt or obligation of (and no recourse shall be made with respect to) Energy Transfer Partners, L.P., a Delaware limited partnership
(“ETP LP”), any of its affiliates (other than the Guarantor), or any shareholder, partner, member, officer, director or employee of ETP LP or such affiliates (collectively, the
“Non-Recourse Parties”). No action under or in connection with this Guarantee shall be brought against any Non-Recourse Party, and no judgment
for any deficiency upon the obligations hereunder shall be obtainable against any Non-Recourse Party. 

2. Guarantee of Collection. This is a guarantee of collection only and not a guarantee of payment. Notwithstanding any other term
or condition of this Guarantee to the contrary, the Guarantor shall not be obligated to make any payment pursuant to this Guarantee unless and until each of the following has occurred: (i) the Trustee or other Holder must use commercially
reasonable efforts to obtain judgment against Sunoco LP and any of its subsidiaries with obligations with respect to the Supported Debt (the “Guarantor Subsidiaries”), (ii) the Trustee or other Holder must use commercially
reasonable efforts to execute on any judgment obtained against Sunoco LP and any of its Guarantor Subsidiaries, (iii) following execution of any such judgment, a portion of the sums due under the Supported Debt constituting Liabilities must
remain unpaid, (iv) if no bankruptcy proceeding has been commenced with respect to Sunoco LP, the Trustee or other Holder shall have brought an action in a court of law having proper subject matter jurisdiction against Sunoco LP and any
applicable Guarantor Subsidiaries to collect such Liabilities, obtained a final and non-appealable judgment by such court against Sunoco LP and any applicable Guarantor Subsidiaries in respect of such
Liabilities and levied execution of such judgment against the property of Sunoco LP and any applicable Guarantor Subsidiaries, and as a result of such execution received less than payment in full in cash or property of such Liabilities, and
(v) if a bankruptcy proceeding has been commenced with respect to Sunoco LP and any of its applicable Guarantor Subsidiaries, the closing of the bankruptcy proceeding after its administration under 11 U.S.C. Section 350(a) shall have
occurred and the Trustee or other Holder shall have received, after all distributions contemplated by such bankruptcy proceeding or otherwise, less than payment in full in cash or property in respect of such Liabilities. For these purposes, the
value of any payment made in property shall be equal to the fair market value of such property at the time of such payment. 

  
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 3. Termination of Guarantee. This Guarantee shall remain in effect and will not
terminate until the Liabilities have been paid in full. 
 4. Waivers. The Guarantor waives (i) notice of acceptance of
this Guarantee, (ii) all presentments and protests, and (iii) notice of dishonor. 
 5. Obligations Absolute. Except
as set forth in this Guarantee, the Guarantor’s obligations are in all respects absolute and unconditional and will not be impaired, modified, released or limited by any occurrence or condition whatsoever, including, without limitation,
(i) any modification, discharge, renewal or extension of the Liabilities or the Supported Debt, or any amendment, modification or stay of the Trustee’s or other Holders’ rights under the Supported Debt which may occur in any
bankruptcy or reorganization case or proceeding concerning the Sunoco Issuers, whether permanent or temporary and whether or not assented to by the Trustee or other Holder, (ii) any notice of withdrawal of this Guarantee, at any time and from
time to time before, at or after maturity of the Supported Debt, (iii) any determination that any signatures on behalf of the Sunoco Issuers on the Supported Debt are not genuine or that the Supported Debt is not the legal, valid and binding
obligation of the Sunoco Issuers, or (iv) any defenses that the Sunoco Issuers may have as to any sums due under the Supported Debt. 

6. Waiver of Subrogation. The Guarantor irrevocably waives, relinquishes and renounces any right of subrogation, contribution,
indemnity, reimbursement or any claim whatsoever which the Guarantor may have against the Sunoco Issuers or any other persons liable on the Supported Debt. The Guarantor will not assert any such claim against the Sunoco Issuers or any other persons
liable on the Supported Debt, in any proceeding, legal or equitable, including any bankruptcy, insolvency or reorganization proceeding. This provision will inure to the benefit of and will be enforceable by the Trustee, the Holders, the Sunoco
Issuers and any such persons liable on the Supported Debt, and their successors and assigns, including any trustee in bankruptcy or debtor-in-possession. 

7. Reinstatement of Guaranteed Liabilities. The Guarantor acknowledges and agrees that the Guarantor’s obligations hereunder
shall apply to and continue with respect to any amount paid to the Trustee and the Holders on the Liabilities which is subsequently recovered from the Trustee and the Holders for any reason whatsoever (including, without limitation, as a result of
any bankruptcy, insolvency or fraudulent conveyance proceeding), notwithstanding the fact that the Liabilities may have been previously paid in full or this Guarantee terminated, or both. 

8. Assignment. The Trustee and the Holders may, from time to time, whether before or after any withdrawal of this Guarantee,
without notice to the Guarantor, assign or transfer any or all of the Liabilities or any interest therein; and, notwithstanding any such assignment or transfer or any subsequent assignment or transfer thereof, such Liabilities shall be and remain
Liabilities for purposes of this Guarantee, and each and every immediate and successive assignee or transferee of any of the Liabilities or of any interest therein shall, to the extent of the interest of such assignee or transferee in the
Liabilities, be entitled to the benefits of this Guarantee to the same extent as if such assignee or transferee were the Trustee or other Holder; provided, however, that, unless the Trustee or Holders shall otherwise consent in writing, the
Trustee and the Holders shall have an unimpaired right, prior and superior to that of any such assignee or transferee, to enforce this Guarantee, for the benefit of the Trustee and the Holders, as to that portion of the Liabilities which the Trustee
and the Holders have not assigned or transferred. 

  
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 9. Cumulative Rights; No Waiver. Each and every right granted to the Trustee and
the Holders hereunder or under any other document delivered hereunder or in connection herewith, or allowed it by law or equity, shall be cumulative and may be exercised from time to time subject only to the limitations set forth in this Guarantee.
No failure on the part of the Trustee and the Holders to exercise, and no delay in exercising, any right shall operate as a waiver thereof, nor shall any single or partial exercise by the Trustee or other Holder of any right preclude any other or
future exercise thereof or the exercise of any other right. 
 10. Interpretation and Construction. Each reference herein to
the Trustee and the Holders shall be deemed to include their respective successors and assigns, and each reference to the Sunoco Issuers and the Guarantor and any pronouns referring thereto as used herein shall be construed in the singular or plural
as the context may require and shall be deemed to include the successors and assigns of the Sunoco Issuers and the Guarantor, all of whom shall be bound by the provisions hereof. 

11. Continuing Guarantee. Subject to the limitations herein, this instrument is intended to be a full, complete and continuing
guarantee to the Trustee and the Holders to the extent of and for the Liabilities owing by the Sunoco Issuers to the Trustee and the Holders from time to time and to be valid and continuous without other or further notice to the Guarantor,
notwithstanding the dissolution of the Sunoco Issuers or any other guarantor, until notice in writing of withdrawal of this Guarantee, signed by the Parties hereto or any of them, has actually been given to the Trustee and the Holders, and then only
as to the Party or Parties signing such notice and to transactions subsequent to the time of such notice; provided, however, that no such notice of withdrawal shall affect or impair (a) any of the agreements and obligations of the
Guarantor hereunder with respect to any and all Liabilities existing at the time of actual receipt of such notice by the Trustee and the Holders until paid in full; or (b) the Trustee’s or other Holder’s right to recover all expenses
paid or incurred by the Trustee or other Holder endeavoring to enforce this Guarantee against the Guarantor. All of the agreements and obligations of the Guarantor under this Guarantee shall, notwithstanding any such notice of withdrawal, remain in
effect until all such Liabilities and all such expenses shall have been paid in full. 
 12. Subsequent Guaranties. No
subsequent guarantee by the Guarantor or any other person of the Liabilities shall be deemed to be in lieu of or to supersede this Guarantee, unless otherwise expressly provided therein. 

13. Covenants of Sunoco LP. 

(a) Repayment or Refinancing of Supported Debt. Without the prior written consent of the Guarantor, Sunoco LP shall not be
entitled to (i) repay any principal amount of the Supported Debt or (ii) refinance though an exchange offer or otherwise all or any portion of the Supported Debt, unless, in the case of (ii) above, Sunoco LP (x) simultaneously
replaces the Supported Debt with at least an equivalent amount of new indebtedness (such new 

  
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indebtedness, the “Refinancing Supported Debt”) with substantially similar covenants providing for no earlier amortization of principal than the amortization contemplated
by the applicable maturity date of the Supported Debt (any such date, a “Maturity Date”) and (y) permits the Guarantor, at its sole discretion, to provide a guarantee of collection of the Refinancing Supported Debt, on
the terms and subject to the conditions set forth herein. 
 (b) Extinguishment of Supported Debt. Sunoco LP shall use
commercially reasonable efforts to extinguish any applicable outstanding Supported Debt on the Maturity Date. Sunoco LP shall release the Guarantor from any liability or obligation under this Guarantee related to the Supported Debt on the applicable
Maturity Date for such Supported Debt and shall enter into and execute such documents and instruments as the Guarantor may reasonably request in order to evidence such release. 

(c) Finance Corp. Prior to the Maturity Date of the Supported Debt, Finance Corp shall continue to have no material assets or any
liabilities, other than as a co-issuer of debt securities of Sunoco LP. 
 14. Covenants of
Guarantor. 
 (a) Net Worth. The Guarantor hereby represents to Sunoco LP that it will maintain net assets (excluding
any interest in Sunoco LP held by the Guarantor) with a fair market value equal to or greater than the aggregate principal amount of the Supported Debt and in the event the Guarantor disposes of, transfers, or conveys any of its assets, except with
respect to distributions permitted in clause (b) below, it shall promptly replace such assets with assets having a net fair market value (after taking into account any indebtedness to be assumed by the Guarantor in connection with any such
transaction) substantially equivalent to or greater than the net fair market value (after taking into account any indebtedness to be assumed by the Guarantor in connection with any such transaction) of the disposed assets. Guarantor shall provide a
certificate to Sunoco LP and the Trustee on an annual basis (beginning on the first anniversary of this Guarantee and until the Liabilities have been paid in full) providing that it is in full compliance with
this Section 14(a). 
 (b) Distributions. The Guarantor shall be entitled to make distributions
of available cash with respect to its equity interests provided the Guarantor shall not make a distribution of cash or property to the extent such distribution would constitute a Fraudulent Conveyance (as defined in
Section 16) in light of the Guarantor’s obligations under this Guarantee or otherwise impair the Guarantor’s ability to satisfy its obligations under this Guarantee. 

15. Covenants of Sunoco LP and Guarantor to Maintain Tax Treatment. For so long as this Guarantee is outstanding, Sunoco LP and
the Guarantor hereby agree that: 
 (a) Unless otherwise required by law, it is the intent of the Parties to treat (i) the Guarantor as
the sole partner bearing the economic risk of loss with respect to the Supported Debt pursuant to Treasury Regulation § 1.752-2 and (ii) the Supported Debt as a “refinancing debt” pursuant
to Treasury Regulation § 1.707-5(c), the proceeds of which are allocable to payments discharging a portion of the Existing Supported Debt; provided that, notwithstanding the foregoing, Sunoco LP
shall not be required to take any such position in any taxable year to the extent Sunoco LP determines in good faith after consulting with tax counsel that such position is not supported by current law or actual facts and circumstances. 

  
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 (b) Neither Sunoco LP nor the Guarantor shall (i) modify this Guarantee so as to eliminate
or limit the ultimate recourse liability of the Guarantor with respect to the Supported Debt, or (ii) except as required by the Senior Notes Indenture, cause or permit any other corporation, partnership, person or entity to assume, guarantee,
indemnify against or otherwise incur any liability with respect to any Supported Debt. 
 (c) In the event a subsidiary of Sunoco LP that is
regarded as separate and apart from Sunoco LP for U.S. federal income tax purposes becomes a Subsidiary Guarantor (as such term is defined in the Senior Notes Indenture) of the Supported Debt or otherwise guarantees the Supported Debt, the Guarantor
agrees to indemnify such subsidiary for any amounts that the subsidiary is required to pay pursuant to its guarantee of the Supported Debt. 

(d) In the event a partner of Sunoco LP guarantees or otherwise incurs any liability with respect to the Supported Debt, the Guarantor agrees
to indemnify such partner for any amounts that the partner is required to pay pursuant to its guarantee or liability with respect to the Supported Debt. 

16. Fraudulent Conveyance. Notwithstanding any provision of this Guarantee to the contrary, it is intended that this Guarantee
not constitute a Fraudulent Conveyance (as defined below). Consequently, the Guarantor agrees that if this Guarantee would, but for the application of this sentence, constitute a Fraudulent Conveyance, this Guarantee shall be valid and enforceable
only to the maximum extent that would not cause this Guarantee to constitute a Fraudulent Conveyance, and this Guarantee shall automatically be deemed to have been amended accordingly at all relevant times. For purposes of this
Section 16, the term “Fraudulent Conveyance” means a fraudulent conveyance under Section 548 of the United States Bankruptcy Code or a fraudulent conveyance or fraudulent transfer under the
provisions of any applicable fraudulent conveyance or fraudulent transfer law or similar law of any state, nation or other governmental unit, as in effect from time to time. 

17. Third-Party Beneficiaries. This Guarantee is for the benefit only of the Guarantor, the Sunoco Issuers, the Trustee, the
Holders and the subsidiaries and partners of Sunoco LP described in Sections 15(c) and 15(d), and is not intended to confer upon any other third party any rights or remedies hereunder, and shall not be construed as for the benefit of
any other third party. 
 18. Notices. Any and all notices, requests or other communications hereunder shall be given in
writing and delivered by: 1) regular, overnight, registered or certified mail (return receipt requested), with first class postage prepaid; 2) hand delivery; 3) facsimile transmission; or 4) overnight courier service, if to the Guarantor, at the
following address or facsimile number for the Guarantor: 
 ETC M-A Acquisition LLC 

8111 Westchester Drive, Suite 600 

Dallas, Texas 75225 
 Attention:
Chief Financial Officer 
 Facsimile Number: (214) 981-0701 

  
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 If to the Sunoco Issuers, at the following address or facsimile number: 

Sunoco LP 
 c/o Sunoco GP LLC 

3801 Westchester Pike 
 Newtown
Square, Pennsylvania 19073 
 Attention: Associate General Counsel 

Facsimile Number: (866) 673-0590 

or at such other address or number as shall be designated by the Guarantor or Sunoco LP in a notice to the other Party to this Guarantee. All such
communications shall be deemed to have been duly given: (A) in the case of a notice sent by regular mail, on the date actually received by the addressee; (B) in the case of a notice sent by registered or certified mail, on the date
receipted for (or refused) on the return receipt; (C) in the case of a notice delivered by hand, when personally delivered; (D) in the case of a notice sent by facsimile, upon transmission subject to telephone confirmation of receipt; and
(E) in the case of a notice sent by overnight mail or overnight courier service, the date delivered at the designated address, in each case given or addressed as aforesaid. 

19. Separability. Should any clause, sentence, paragraph, subsection or section of this Guarantee be judicially declared to be
invalid, illegal or unenforceable in any respect, such decision will not have the effect of invalidating or voiding the remainder of this Guarantee, and the part or parts of this Guarantee so held to be invalid, illegal or unenforceable will be
deemed to have been stricken herefrom, and the remainder will have the same force and effectiveness as if such stricken part or parts had never been included herein. 

20. Counterparts. This Guarantee may be executed in any number of counterparts and by different Parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement; signature pages may be detached from multiple separate counterparts and attached to a single
counterpart so that all signatures are physically attached to the same counterpart. Delivery of an executed signature page by facsimile or electronic transmission shall be as effective as delivery of a manually executed counterpart. 

21. Governing Law. THIS GUARANTEE SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT
GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAWS TO THE EXTENT THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY. 
 22.
Consent to Jurisdiction; Waiver of Jury Trial. The Guarantor irrevocably submits to the exclusive jurisdiction of any New York State court or federal court of the United States of America sitting in New York County, and any appellate
court from any thereof, for the 

  
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purposes of any proceeding arising out of this Guarantee or the transactions contemplated hereby (and agrees that no such proceeding relating to this Guarantee or the transactions contemplated
hereby shall be brought by it except in such courts). The Guarantor irrevocably and unconditionally waives (and agrees not to plead or claim) any objection to the laying of venue of any proceeding arising out of this Guarantee or the transactions
contemplated hereby in any New York State court or federal court of the United States of America sitting in New York County, and any appellate court from any thereof, or that any such proceeding brought in any such court has been brought in an
inconvenient forum. The Guarantor also agrees that any final and non appealable judgment against it in connection with any proceeding shall be conclusive and binding on it and that such award or judgment may be enforced in any court of competent
jurisdiction, either within or outside of the United States. A certified or exemplified copy of such award or judgment shall be conclusive evidence of the fact and amount of such award or judgment. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW,
ANY ACTION OR PROCEEDING TO ENFORCE OR TO DEFEND ANY RIGHTS UNDER THIS GUARANTEE SHALL BE TRIED BEFORE A COURT AND NOT BEFORE A JURY. 
 23.
Entire Agreement. This Guarantee constitutes the entire agreement with respect to the subject matter hereof and supersedes all prior agreements and understandings, oral or written, between the Parties related thereto. 

[Remainder of page intentionally left blank; signature page follows] 

  
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 IN WITNESS WHEREOF, the undersigned have executed this Guarantee as of the date and year first
written above. 
  

			
	ETC M-A ACQUISITION LLC
		
	By:	 	/s/ Arnold D. Dodderer
	Name:	 	Arnold D. Dodderer
	Title:	 	General Counsel & Vice President
	
	SUNOCO LP
		
	By:	 	Sunoco GP LLC,
		 	its general partner
		
	By:	 	/s/ Thomas R. Miller
	Name:	 	Thomas R. Miller
	Title:	 	Chief Financial Officer
	
	SUNOCO FINANCE CORP.
		
	By:	 	/s/ Thomas R. Miller
	Name:	 	Thomas R. Miller
	Title:	 	Chief Financial Officer

 [Signature Page to Guarantee of Collection]EX-10.2

 Exhibit 10.2 

SUPPORT AGREEMENT 

This SUPPORT AGREEMENT (this “Agreement”) is made as of January 23, 2018 (the “Effective
Date”), by and among Sunoco, Inc., a Pennsylvania corporation (the “Support Provider”), Sunoco LP, a Delaware limited partnership (“Sunoco LP”), Sunoco Finance Corp., a Delaware
corporation (“Sunoco LP Finance” and, together with Sunoco LP, the “Sunoco Issuers”), and ETC M-A Acquisition LLC, a Delaware limited liability company
(“Guarantor”). The Support Provider, the Sunoco Issuers and Guarantor may hereinafter be referred to individually as a “Party” or collectively as the “Parties.” 

PRELIMINARY STATEMENTS: 

A. Support Provider previously entered into that certain Contribution, Assignment and Assumption Agreement, dated as of December 31, 2016
(the “Contribution Agreement”), pursuant to which, among other things, Support Provider agreed (as assignee of the Atlantic R&M Support Agreements and the Sunoco R&M Support Agreements (as such terms are defined in
the Contribution Agreement (together, the “Existing Support Agreements”)) to provide support to Guarantor (as assignee of the Guarantees (as defined in the Contribution Agreement)) in support of the $800 million
aggregate principal amount of the Sunoco Issuers’ 6.25% senior notes due 2021 and the $800 million aggregate principal amount of the Sunoco Issuers’ 6.375% Senior Notes due 2023 (together, the “Existing Supported
Debt”). 
 B. Under the Existing Support Agreements, without the prior written consent of the Support Provider, Sunoco LP shall
not be entitled to refinance all or any portion of the Existing Supported Debt, unless, in the case of refinancing, Sunoco LP (x) simultaneously replaces the Existing Supported Debt with at least an equivalent amount of new indebtedness with
substantially similar covenants providing for no earlier amortization of principal than the amortization contemplated by the applicable maturity date of the Existing Supported Debt, (y) permits Guarantor to guarantee the new refinanced
indebtedness on the terms and subject to the conditions set forth in the applicable guarantee and (z) permits Support Provider to provide support to Guarantor in furtherance of the applicable guarantee of the new refinanced indebtedness. 

C. The Sunoco Issuers are issuing (i) $1 billion aggregate principal amount of 4.875% senior notes due 2023, (ii) $800 million
aggregate principal amount of 5.500% senior notes due 2026 and (iii) $400 million aggregate principal amount of 5.875% senior notes due 2028 (together with any senior notes of the Sunoco Issuers with substantially identical terms that are
issued to the holders (the “Holders”) pursuant to a registration statement under the Securities Act of 1933, as amended, the “Supported Debt”), the proceeds of which will be used to, among other
things, repay in full the Existing Supported Debt (the “Refinancing”). 
 D. The Guarantor previously entered into
that certain Guarantee of Collection, made as of the date hereof, to Sunoco LP (the “Guarantee”), pursuant to which, among other things, the Guarantor agreed to provide a guarantee of collection, on the terms set forth
therein, for the benefit of the Holders of the Supported Debt. 

 E. The Support Provider hereby consents pursuant to Section 6(a) of the
Existing Support Agreement, to the Refinancing. 
 F. The Support Provider desires to enter into this Agreement to provide support to
Guarantor in furtherance of the Guarantee in support of the Supported Debt, on the terms and subject to the conditions set forth herein. 

G. The Sunoco Issuers, the Support Provider and Guarantor desire to enter into this Agreement and be bound by the terms and conditions set
forth herein. 
 NOW, THEREFORE, for good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged by the
Parties, the Parties agree as follows: 
 1. Support and Consent. Subject to the terms and conditions of this Agreement,
including but not limited to Sections 2 and 3 below, the Support Provider hereby (i) provides support to Guarantor and agrees to contribute cash to Guarantor in such amounts as necessary to guarantee collection of the aggregate
principal amount of the Supported Debt pursuant to the Guarantee and (ii) consents pursuant to Section 6(a) of the Existing Support Agreement to the Refinancing. Notwithstanding anything herein to the contrary, the
obligations of the Parties under this Agreement are obligations solely of the Parties and do not constitute a debt or obligation of (and no recourse shall be made with respect to) Energy Transfer Partners, L.P., a Delaware limited partnership
(“ETP”), any of its affiliates (other than the Parties hereto), or any shareholder, partner, member, officer, director or employee of ETP or such affiliates (collectively, the
“Non-Recourse Parties”). No action under or in connection with this Agreement shall be brought against any Non-Recourse Party, and no
judgment for any deficiency upon the obligations hereunder shall be obtainable against any Non- Recourse Party. 

2. Support Payment Conditions. Notwithstanding any other term or condition of this Agreement to the contrary, the Support
Provider shall be obligated to make contributions of cash to Guarantor pursuant to this Agreement to enable Guarantor to pay any and all amounts of the Supported Debt due and payable pursuant to the terms and conditions of the Guarantee. 

3. Cap. Notwithstanding any other term or condition of this Agreement to the contrary, it is agreed that the Support
Provider’s maximum liability under this Agreement with respect to the Supported Debt shall not exceed the positive difference (if any) between (i) the principal amount of Supported Debt, minus (ii) the sum of (A) all payments of
principal made by or on behalf of the Sunoco Issuers in respect of such Supported Debt, plus (B) the fair market value of any property received or cash proceeds collected or any consideration otherwise realized (including by way of set off)
from or for the account of the Sunoco Issuers pursuant to, or in connection with, the principal amount of Supported Debt, including, but not limited to, any property or cash proceeds collected or realized from the exercise of any rights and remedies
at law or in equity that the Holders may have against the Sunoco Issuers or any collateral securing such Supported Debt, plus (C) any principal amount of such Supported Debt which is forgiven or otherwise voluntarily compromised by the Holders
(such amount, the “Support Cap”). 
 The Support Provider shall have no obligation to make a payment hereunder with
respect to any accrued and unpaid interest or any other costs, fees, expenses, penalties, charges or other amounts of any kind whatsoever that may be owed by Guarantor or the Sunoco Issuers, whether on or related to the Supported Debt or otherwise.

  
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 4. Termination of Agreement. This Agreement shall remain in effect and will not
terminate until the earlier to occur of (a) termination or expiration of the Guarantee and (b) payment by the Support Provider of the maximum amount due by the Support Provider under Section 3 hereof, as such
amount may be limited by Section 10 hereof. 
 5. Notices; Defenses; Etc. The Sunoco Issuers and
Guarantor hereby agree to provide the Support Provider with notice promptly following any alleged default by any Sunoco Issuer under the documents evidencing the Supported Debt or by Guarantor under the documents evidencing the Guarantee, and the
Support Provider shall be entitled to receive information regarding, and make reasonable requests for information with respect to, the actions the Holders have taken against the Sunoco Issuers with respect to the Supported Debt or Guarantor with
respect to the Guarantee. By entering into this Agreement, the Support Provider is not waiving any defense, set-off or counterclaim available to Guarantor or the Sunoco Issuers with respect to the Supported
Debt nor is the Support Provider waiving its rights with respect to diligence, presentment, demand for performance, notice of protest, notice of dishonor, default or non-payment, or notice of acceptance of
this Agreement. 
 6. Covenants of Sunoco LP and Guarantor. 

(a) Repayment or Refinancing of Supported Debt. Without the prior written consent of the Support Provider, Sunoco LP shall not be
entitled to (i) repay any principal amount of the Supported Debt or (ii) refinance all or any portion of the Supported Debt, unless, in the case of (ii) above, Sunoco LP (x) simultaneously replaces the Supported Debt with at
least an equivalent amount of new indebtedness (such new indebtedness, the “Refinanced Supported Debt”) with substantially similar covenants providing for no earlier amortization of principal than the amortization
contemplated by the applicable maturity date of any Supported Debt (any such date, a “Maturity Date”), (y) permits Guarantor at its sole discretion to guarantee the Refinanced Supported Debt on the terms and subject to the
conditions set forth in the Guarantee and (z) permits Support Provider at its sole discretion to provide support to Guarantor in furtherance of the Guarantee of the Refinanced Supported Debt, on the terms and subject to the conditions set forth
herein. 
 (b) Actions Upon Maturity Date. Upon a Maturity Date for any of the Supported Debt, and payment in full of the aggregate
principal amount of such Supported Debt, no additional Guarantee shall be permitted to be made by Guarantor with respect to such Supported Debt. Any Supported Debt subject to the Guarantee may be retired or refinanced with debt that is not subject
to the Guarantee commencing at any time on or after the scheduled Maturity Date for such Supported Debt. 
 (c) Extinguishment of
Supported Debt. Sunoco LP shall use commercially reasonable efforts to extinguish any applicable outstanding Supported Debt on the applicable Maturity Date. Guarantor shall release the Support Provider from any liability or obligation under this
Agreement related to the Supported Debt on the applicable Maturity Date for such Supported Debt and shall enter into and execute such documents and instruments as the Support Provider may reasonably request in order to evidence such release. 

  
 3 

 (d) Sunoco LP Finance. Prior to the Maturity Date for any of the Supported Debt, Sunoco LP
Finance shall continue to have no material assets or any liabilities, other than as a co- issuer of debt securities of Sunoco LP. 

(e) Guarantor Limited Activities. Without the prior written consent of Support Provider, Guarantor shall not (i) create, incur,
assume or permit to exist any Indebtedness (as defined below) other than the Guarantee or (ii) consummate any transactions other than the Guarantee of the Supported Debt. As used in this Section 6(e),
“Indebtedness” shall mean (A) all obligations for borrowed money, (B) all obligations evidenced by bonds, debentures, notes or similar instruments, (C) all obligations under conditional sale or other title retention
agreements relating to property or assets, (D) all obligations issued or assumed as the deferred purchase price of property or services, (E) all guarantees of Indebtedness of others, (F) all capital lease obligations, (G) all
obligations with respect to hedging and swap agreements, (H) the principal component of all obligations, contingent or otherwise, as an account party in respect of letters of credit and (I) the principal component of all obligations in
respect of bankers’ acceptances. 
 7. Covenants of Support Provider. 

(a) Net Worth. Support Provider hereby represents to Guarantor and Sunoco LP that it will maintain net assets (excluding any interest in
Guarantor and Sunoco LP held by Support Provider) with a fair market value equal to or greater than the amount of the Support Cap and in the event Support Provider disposes of, transfers, or conveys any of its assets, except with respect to
distributions permitted in clause (b) below, it shall, if necessary, promptly replace such assets so as to have net assets (excluding any interest in Guarantor and Sunoco LP held by Support Provider) with a fair market value equal to or greater
than the amount of the Support Cap. Support Provider shall provide a certificate to Guarantor and the trustee (the “Trustee”) under the Indenture, dated as of the date hereof (the “Indenture”), with
respect to the Supported Debt on an annual basis (beginning on the first anniversary of this Agreement and until the Supported Debt has been paid in full) providing that it is in full compliance with this Section 7(a). 

(b) Distributions. Support Provider shall be entitled to make distributions of available cash with respect to its equity interests
provided Support Provider shall not make a distribution of cash or property to the extent such distribution would constitute a Fraudulent Conveyance (as defined in Section 10) in light of Support Provider’s obligations
under this Agreement or otherwise impair Support Provider’s ability to satisfy its obligations under this Agreement. 

  
 4 

 8. Covenants of the Parties to Maintain Tax Treatment. For so long as the Guarantee
is outstanding, the Parties hereto hereby agree that: 
 (a) At the Sunoco LP level, unless otherwise required by law, it is the intent of
the Parties to treat (i) Guarantor as the sole partner bearing the economic risk of loss with respect to the Supported Debt pursuant to Treasury Regulation § 1.752-2 and (ii) the Supported Debt
as a “refinancing debt” pursuant to Treasury Regulation § 1.707-5(c), the proceeds of which are allocable to payments discharging a portion of the Existing Supported Debt; provided that,
notwithstanding the foregoing, Sunoco LP shall not be required to take any such position in any taxable year to the extent Sunoco LP determines in good faith after consulting with tax counsel that such position is not supported by current law or
actual facts and circumstances. 
 (b) At the Guarantor level, unless otherwise required by law, it is the intent of the Parties to treat
(i) the Support Provider as bearing the economic risk of loss with respect to the Supported Debt in an amount equal to the amount of the Supported Debt in accordance with Treasury Regulation §
1.752-2 and (ii) the Supported Debt as a “refinancing debt” pursuant to Treasury Regulation § 1.707-5(c), the proceeds of which are allocable to
payments discharging a portion of the Existing Supported Debt; provided that, notwithstanding the foregoing, Guarantor shall not be required to take any such position in any taxable year to the extent Guarantor determines in good faith after
consulting with tax counsel that such position is not supported by current law or actual facts and circumstances. 
 (c) Neither Sunoco LP
nor Guarantor shall (i) modify the Guarantee so as to eliminate or limit the ultimate recourse liability of the Support Provider with respect to the Supported Debt, (ii) merge or consolidate with, or take any action that would cause,
Guarantor to become a corporation for U.S. federal income tax purposes or (iii) except as required by the Indenture, cause or permit any other corporation, partnership, person or entity to assume, guarantee, indemnify against or otherwise incur
any liability with respect to any Supported Debt. 
 (d) In the event a subsidiary of Sunoco LP that is regarded as separate and apart from
Sunoco LP for U.S. federal income tax purposes becomes a Subsidiary Guarantor (as such term is defined in the Indenture) of the Supported Debt or otherwise guarantees the Supported Debt, the Support Provider agrees to indemnify such subsidiary for
any amounts that the subsidiary is required to pay pursuant to its guarantee of the Supported Debt, on the same basis and subject to the same limits as with respect to the Guarantee. 

(e) In the event a partner of Sunoco LP guarantees or otherwise incurs any liability with respect to the Supported Debt, Support Provider
agrees to indemnify such partner for any amounts that the partner is required to pay pursuant to its guarantee or liability of the Supported Debt, on the same basis and subject to the same limits as with respect to the Guarantee. 

9. Waiver of Subrogation. The Support Provider irrevocably waives, relinquishes and renounces any right of subrogation,
contribution, indemnity, reimbursement or any claim whatsoever which the Support Provider may have against the Sunoco Issuers or any other persons liable on the Guarantee or the Supported Debt. The Support Provider will not assert any such claim
against the Sunoco Issuers or any other persons liable on the Guarantee or the Supported Debt, in any proceeding, legal or equitable, including any bankruptcy, insolvency or reorganization proceeding. This provision will inure to the benefit of and
will be enforceable by the Trustee, the Holders, the Sunoco Issuers and any such persons liable on the or the Supported Debt, and their successors and assigns, including any trustee in bankruptcy or debtor-in-possession. 

  
 5 

 10. Fraudulent Conveyance. Notwithstanding any provision of this Agreement to the
contrary, it is intended that this Agreement not constitute a Fraudulent Conveyance (as defined below). Consequently, the Support Provider agrees that if this Agreement would, but for the application of this sentence, constitute a Fraudulent
Conveyance, this Agreement shall be valid and enforceable only to the maximum extent that would not cause this Agreement to constitute a Fraudulent Conveyance, and this Agreement shall automatically be deemed to have been amended accordingly at all
relevant times. For purposes of this Section 10, the term “Fraudulent Conveyance” means a fraudulent conveyance under Section 548 of the United States Bankruptcy Code or a fraudulent conveyance or fraudulent
transfer under the provisions of any applicable fraudulent conveyance or fraudulent transfer law or similar law of any state, nation or other governmental unit, as in effect from time to time. 

11. Cumulative Rights; No Waiver. Each and every right granted to Support Provider hereunder or under any other document
delivered hereunder or in connection herewith, or allowed it by law or equity, shall be cumulative and may be exercised from time to time subject only to the limitations set forth in this Agreement. No failure on the part of Support Provider to
exercise, and no delay in exercising, any right shall operate as a waiver thereof, nor shall any single or partial exercise by Support Provider of any right preclude any other or future exercise thereof or the exercise of any other right. 

12. Amendments; Waivers. 

(a) Except as otherwise expressly set forth herein, this Agreement may not be modified, amended or waived except by an instrument or
instruments in writing signed by each of the Parties hereto. 
 (b) The Parties hereby agree that no provision of
Section 1 hereof may be modified, amended or waived without the prior written consent of a majority of the Holders if such modification, amendment or waiver would materially and adversely reduce the benefits to such Holders
or lenders of the support contemplated by Section 1 hereof with respect to such Supported Debt. 
 13.
Successors and Assigns. This Agreement shall inure to the benefit of and be binding upon the Parties hereto and their respective successors and assigns. Nothing in this Agreement shall prevent the Support Provider from merging or
consolidating with or into any other person so long as the surviving person agrees to be bound by the terms of this Agreement. 
 14.
Third-Party Beneficiaries. This Agreement is for the benefit only of the Support Provider, the Sunoco Issuers and Guarantor, the Trustee, the Holders, and the subsidiaries of Sunoco LP described in
Section 8(d) and is not intended to confer upon any other third party any rights or remedies hereunder, and shall not be construed as for the benefit of any other third party. 

15. Notices. Any and all notices, requests or other communications hereunder shall be given in writing and delivered by:
(a) regular, overnight, registered or certified mail (return receipt requested), with first class postage prepaid; (b) hand delivery; (c) facsimile transmission; or (d) overnight courier service, if to the Support Provider, at
the following address or facsimile number for the Support Provider: 
 Sunoco, Inc. 

[3801 West Chester Pike 
 Newtown
Square, PA 19073 
 Attention: General Counsel 

Facsimile Number: (866) 627-7010] 

  
 6 

 if to the Sunoco Issuers, at the following address or facsimile number for Sunoco LP: 

Sunoco LP 
 555 East Airtex Drive

 Houston, Texas 77073 

Attention: Associate General Counsel 

Facsimile Number: (361) 693-3725 

if to Guarantor, at the following address or facsimile number for Guarantor: 

ETC M-A Acquisition LLC 

8111 Westchester Drive, Suite 600 

Dallas, Texas 75225 
 Attention:
Chief Financial Officer 
 Facsimile Number: (214) 981-0701 

or at such other address or number as shall be designated by the Support Provider, any Sunoco Issuer or Guarantor in a notice to the other Parties to this
Agreement. All such communications shall be deemed to have been duly given: (A) in the case of a notice sent by regular mail, on the date actually received by the addressee; (B) in the case of a notice sent by registered or certified mail,
on the date receipted for (or refused) on the return receipt; (C) in the case of a notice delivered by hand, when personally delivered; (D) in the case of a notice sent by facsimile, upon transmission subject to telephone confirmation of
receipt; and (E) in the case of a notice sent by overnight mail or overnight courier service, the date delivered at the designated address, in each case given or addressed as aforesaid. 

16. Separability. Should any clause, sentence, paragraph, subsection or section of this Agreement be judicially declared to be
invalid, illegal or unenforceable in any respect, such decision will not have the effect of invalidating or voiding the remainder of this Agreement, and the part or parts of this Agreement so held to be invalid, illegal or unenforceable will be
deemed to have been stricken herefrom, and the remainder will have the same force and effectiveness as if such stricken part or parts had never been included herein. 

17. Counterparts. This Agreement may be executed in any number of counterparts and by different Parties hereto in separate
counterparts, each of which when so executed shall be deemed to be an original and all of which taken together shall constitute one and the same agreement; signature pages may be detached from multiple separate counterparts and attached to a single
counterpart so that all signatures are physically attached to the same counterpart. Delivery of an executed signature page by facsimile or electronic transmission shall be as effective as delivery of a manually executed counterpart. 

  
 7 

 18. Section Headings. Section headings appearing herein are included solely for
convenience of reference and are not intended to affect the interpretation of any provision of this Agreement. 
 19. Entire
Agreement. This Agreement constitutes the entire agreement of the Parties hereto with respect to the subject matter hereof and supersedes all prior agreements and understandings, oral or written, between the Parties related thereto. 

20. Governing Law. THIS AGREEMENT SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT
GIVING EFFECT TO APPLICABLE PRINCIPLES OF CONFLICTS OF LAWS TO THE EXTENT THE LAWS OF ANOTHER JURISDICTION WOULD BE REQUIRED THEREBY. 
 21.
Consent to Jurisdiction; Waiver of Jury Trial. The Parties irrevocably submit to the exclusive jurisdiction of any New York State court or federal court of the United States of America sitting in New York County, and any appellate
court from any thereof, for the purposes of any proceeding arising out of this Agreement or the transactions contemplated hereby (and each agrees that no such proceeding relating to this Agreement or the transactions contemplated hereby shall be
brought by it except in such courts). The Parties irrevocably and unconditionally waive (and agree not to plead or claim) any objection to the laying of venue of any proceeding arising out of this Agreement or the transactions contemplated hereby in
any New York State court or federal court of the United States of America sitting in New York County, and any appellate court from any thereof, or that any such proceeding brought in any such court has been brought in an inconvenient forum. Each of
the Parties also agrees that any final and non appealable judgment against a Party in connection with any proceeding shall be conclusive and binding on such Party and that such award or judgment may be enforced in any court of competent
jurisdiction, either within or outside of the United States. A certified or exemplified copy of such award or judgment shall be conclusive evidence of the fact and amount of such award or judgment. TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW,
ANY ACTION OR PROCEEDING TO ENFORCE OR TO DEFEND ANY RIGHTS UNDER THIS AGREEMENT SHALL BE TRIED BEFORE A COURT AND NOT BEFORE A JURY. 

[Signature Page Follows] 

  
 8 

 IN WITNESS WHEREOF, this Agreement is duly executed and delivered by the authorized signatories
set forth below, to be effective as of the Effective Date 
  

			
	SUNOCO, INC.
		
	By:	 	 /s/ Arnold D. Dodderer

	Name:	 	Arnold D. Dodderer
	Title:	 	General Counsel & Assistant Secretary
	
	SUNOCO LP
		
	By:	 	Sunoco GP LLC,
		 	its general partner
		
	By·	 	 /s/ Thomas R. Miller

	Name:	 	Thomas R. Miller
	Title:	 	Chief Financial Officer
	
	ETC M-A ACQUISITION LLC
		
	By:	 	 /s/ Arnold D. Dodderer

	Name:	 	Arnold D. Dodderer
	Title:	 	General Counsel & Vice President
	
	SUNOCO FINANCE CORP.
		
	By:	 	 /s/ Thomas R. Miller

	Name:	 	Thomas R. Miller
	Title:	 	Chief Financial Officer

  
 [Signature Page to
Support Agreement]

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