EX-4.1




 Exhibit 4.1 

Execution Version 
  

 
  

 
 TARGA RESOURCES
PARTNERS LP 
 TARGA RESOURCES PARTNERS FINANCE CORPORATION 

AND EACH OF THE GUARANTORS PARTY HERETO 

51⁄2% SENIOR NOTES DUE 2030 

 
  

INDENTURE 
 Dated as of
November 27, 2019 
  
  

U.S. BANK NATIONAL ASSOCIATION 

Trustee 
  

 
  

 











 CROSS-REFERENCE TABLE* 

 

			
	Trust Indenture Act Section	  	Indenture Section
	310(a)(1)	  	7.10
	(a)(2)	  	7.10
	(a)(3)	  	N.A.
	(a)(4)	  	N.A.
	(a)(5)	  	7.10
	(b)	  	7.10
	(c)	  	N.A.
	311(a)	  	7.11
	(b)	  	7.11
	(c)	  	N.A.
	312(a)	  	2.05
	(b)	  	12.03
	(c)	  	12.03
	313(a)	  	7.06
	(b)(1)	  	N.A.
	(b)(2)	  	7.06; 7.07
	(c)	  	7.06; 12.02
	(d)	  	7.06
	314(a)	  	4.03; 12.02; 12.05
	(b)	  	N.A.
	(c)(1)	  	12.04
	(c)(2)	  	12.04
	(c)(3)	  	N.A.
	(d)	  	N.A.
	(e)	  	12.05
	(f)	  	N.A.
	315(a)	  	7.01
	(b)	  	7.05; 12.02
	(c)	  	7.01
	(d)	  	7.01
	(e)	  	6.11
	316(a)(last sentence)	  	2.09
	(a)(1)(A)	  	6.05
	(a)(1)(B)	  	6.04
	(a)(2)	  	N.A.
	(b)	  	6.07
	(c)	  	2.12
	317(a)(1)	  	6.08
	(a)(2)	  	6.09
	(b)	  	2.04
	318(a)	  	12.01
	(b)	  	N.A.
	(c)	  	12.01

  
 N.A. means
not applicable. 

	*	 This Cross Reference Table is not part of the Indenture. 



 











 TABLE OF CONTENTS 

 

							
	 	 	 	  	Page	 
	 ARTICLE 1 DEFINITIONS AND INCORPORATION BY REFERENCE
	  	 	1	 
			
	 Section 1.01
	 	Definitions	  	 	1	 
	 Section 1.02
	 	Other Definitions	  	 	30	 
	 Section 1.03
	 	Incorporation by Reference of Trust Indenture Act	  	 	31	 
	 Section 1.04
	 	Rules of Construction	  	 	32	 
		
	 ARTICLE 2 THE NOTES 
	  	 	32	 
			
	 Section 2.01
	 	Form and Dating	  	 	32	 
	 Section 2.02
	 	Execution and Authentication	  	 	33	 
	 Section 2.03
	 	Registrar and Paying Agent	  	 	34	 
	 Section 2.04
	 	Paying Agent to Hold Money in Trust	  	 	34	 
	 Section 2.05
	 	Holder Lists	  	 	34	 
	 Section 2.06
	 	Transfer and Exchange	  	 	34	 
	 Section 2.07
	 	Replacement Notes	  	 	49	 
	 Section 2.08
	 	Outstanding Notes	  	 	50	 
	 Section 2.09
	 	Treasury Notes	  	 	50	 
	 Section 2.10
	 	Temporary Notes	  	 	50	 
	 Section 2.11
	 	Cancellation	  	 	50	 
	 Section 2.12
	 	Defaulted Interest	  	 	51	 
		
	 ARTICLE 3 REDEMPTION AND REPURCHASE 
	  	 	51	 
			
	 Section 3.01
	 	Notices to Trustee	  	 	51	 
	 Section 3.02
	 	Selection of Notes to Be Redeemed	  	 	51	 
	 Section 3.03
	 	Notice of Redemption	  	 	52	 
	 Section 3.04
	 	Effect of Notice of Redemption	  	 	53	 
	 Section 3.05
	 	Deposit of Redemption or Purchase Price	  	 	53	 
	 Section 3.06
	 	Notes Redeemed or Purchased in Part	  	 	53	 
	 Section 3.07
	 	Optional Redemption	  	 	54	 
	 Section 3.08
	 	[Reserved]	  	 	55	 
			
	 Section 3.09
	 	Offer to Purchase by Application of Excess Proceeds	  	 	55	 
		
	 ARTICLE 4 COVENANTS 
	  	 	57	 
			
	 Section 4.01
	 	Payment of Notes	  	 	57	 
	 Section 4.02
	 	Maintenance of Office or Agency	  	 	57	 
	 Section 4.03
	 	Reports	  	 	58	 
	 Section 4.04
	 	Compliance Certificate	  	 	59	 
	 Section 4.05
	 	Taxes	  	 	59	 
	 Section 4.06
	 	Stay, Extension and Usury Laws	  	 	60	 
	 Section 4.07
	 	Restricted Payments	  	 	60	 
	 Section 4.08
	 	Dividend and Other Payment Restrictions Affecting Subsidiaries	  	 	64	 


  
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	 Section 4.09
	 	Incurrence of Indebtedness and Issuance of Disqualified Equity	  	 	66	 
	 Section 4.10
	 	Asset Sales	  	 	69	 
	 Section 4.11
	 	Transactions with Affiliates	  	 	71	 
	 Section 4.12
	 	Liens	  	 	73	 
	 Section 4.13
	 	[Reserved]	  	 	73	 
	 Section 4.14
	 	Corporate Existence	  	 	73	 
	 Section 4.15
	 	Offer to Repurchase Upon Change of Control Triggering Event	  	 	74	 
	 Section 4.16
	 	[Reserved]	  	 	76	 
	 Section 4.17
	 	[Reserved]	  	 	76	 
	 Section 4.18
	 	Additional Guarantees	  	 	76	 
	 Section 4.19
	 	Designation of Restricted and Unrestricted Subsidiaries	  	 	76	 
	 Section 4.20
	 	Termination of Covenants	  	 	77	 
		
	 ARTICLE 5 SUCCESSORS 
	  	 	78	 
			
	 Section 5.01
	 	Merger, Consolidation, or Sale of Assets	  	 	78	 
	 Section 5.02
	 	Successor Person Substituted	  	 	79	 
		
	 ARTICLE 6 DEFAULTS AND REMEDIES 
	  	 	80	 
			
	 Section 6.01
	 	Events of Default	  	 	80	 
	 Section 6.02
	 	Acceleration	  	 	82	 
	 Section 6.03
	 	Other Remedies	  	 	82	 
	 Section 6.04
	 	Waiver of Past Defaults	  	 	83	 
	 Section 6.05
	 	Control by Majority	  	 	83	 
	 Section 6.06
	 	Limitation on Suits	  	 	83	 
	 Section 6.07
	 	Rights of Holders of Notes to Receive Payment	  	 	84	 
	 Section 6.08
	 	Collection Suit by Trustee	  	 	84	 
	 Section 6.09
	 	Trustee May File Proofs of Claim	  	 	84	 
	 Section 6.10
	 	Priorities	  	 	85	 
	 Section 6.11
	 	Undertaking for Costs	  	 	85	 
		
	 ARTICLE 7 TRUSTEE 
	  	 	85	 
			
	 Section 7.01
	 	Duties of Trustee	  	 	85	 
	 Section 7.02
	 	Rights of Trustee	  	 	86	 
	 Section 7.03
	 	Individual Rights of Trustee	  	 	87	 
	 Section 7.04
	 	Trustee’s Disclaimer	  	 	87	 
	 Section 7.05
	 	Notice of Defaults	  	 	87	 
	 Section 7.06
	 	Reports by Trustee to Holders of the Notes	  	 	87	 
	 Section 7.07
	 	Compensation and Indemnity	  	 	88	 
	 Section 7.08
	 	Replacement of Trustee	  	 	89	 
	 Section 7.09
	 	Successor Trustee by Merger, etc.	  	 	90	 
	 Section 7.10
	 	Eligibility; Disqualification	  	 	90	 
	 Section 7.11
	 	Preferential Collection of Claims Against the Issuers	  	 	90	 


  
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	 ARTICLE 8 LEGAL DEFEASANCE AND COVENANT DEFEASANCE 
	  	 	90	 
			
	 Section 8.01
	 	Option to Effect Legal Defeasance or Covenant Defeasance	  	 	90	 
	 Section 8.02
	 	Legal Defeasance and Discharge	  	 	90	 
	 Section 8.03
	 	Covenant Defeasance	  	 	91	 
	 Section 8.04
	 	Conditions to Legal or Covenant Defeasance	  	 	92	 
	 Section 8.05
	 	Deposited Money and Government Securities to Be Held in Trust; Other Miscellaneous Provisions	  	 	93	 
	 Section 8.06
	 	Repayment to the Issuers	  	 	93	 
	 Section 8.07
	 	Reinstatement	  	 	94	 
		
	 ARTICLE 9 AMENDMENT, SUPPLEMENT AND WAIVER
	  	 	94	 
			
	 Section 9.01
	 	Without Consent of Holders of Notes	  	 	94	 
	 Section 9.02
	 	With Consent of Holders of Notes	  	 	95	 
	 Section 9.03
	 	Compliance with Trust Indenture Act	  	 	97	 
	 Section 9.04
	 	Revocation and Effect of Consents	  	 	97	 
	 Section 9.05
	 	Notation on or Exchange of Notes	  	 	97	 
	 Section 9.06
	 	Trustee to Sign Amendments, etc.	  	 	97	 
		
	 ARTICLE 10 NOTE GUARANTEES
	  	 	98	 
			
	 Section 10.01
	 	Guarantee	  	 	98	 
	 Section 10.02
	 	Limitation on Guarantor Liability	  	 	99	 
	 Section 10.03
	 	Execution and Delivery of Note Guarantee	  	 	99	 
	 Section 10.04
	 	Guarantors May Consolidate, etc., on Certain Terms	  	 	100	 
	 Section 10.05
	 	Releases	  	 	100	 
		
	 ARTICLE 11 SATISFACTION AND DISCHARGE
	  	 	101	 
			
	 Section 11.01
	 	Satisfaction and Discharge	  	 	101	 
	 Section 11.02
	 	Application of Trust Money	  	 	102	 
		
	 ARTICLE 12 MISCELLANEOUS
	  	 	103	 
			
	 Section 12.01
	 	Trust Indenture Act Controls	  	 	103	 
	 Section 12.02
	 	Notices	  	 	103	 
	 Section 12.03
	 	Communication by Holders of Notes with Other Holders of Notes	  	 	104	 
	 Section 12.04
	 	Certificate and Opinion as to Conditions Precedent	  	 	104	 
	 Section 12.05
	 	Statements Required in Certificate or Opinion	  	 	105	 
	 Section 12.06
	 	Rules by Trustee and Agents	  	 	105	 
	 Section 12.07
	 	No Personal Liability of Directors, Officers, Employees and Stockholders	  	 	105	 
	 Section 12.08
	 	Governing Law	  	 	105	 
	 Section 12.09
	 	No Adverse Interpretation of Other Agreements	  	 	106	 
	 Section 12.10
	 	Successors	  	 	106	 
	 Section 12.11
	 	Severability	  	 	106	 
	 Section 12.12
	 	Counterpart Originals	  	 	106	 
	 Section 12.13
	 	Table of Contents, Headings, etc.	  	 	106	 
	 Section 12.14
	 	Payment Date Other Than a Business Day	  	 	106	 
	 Section 12.15
	 	Evidence of Action by Holders	  	 	107	 
	 Section 12.16
	 	U.S.A. Patriot Act	  	 	108	 
	 Section 12.17
	 	Force Majeure	  	 	108	 


  
 iii 












 EXHIBITS 

Exhibit A       FORM OF NOTE 

Exhibit B       FORM OF CERTIFICATE OF TRANSFER 

Exhibit C       FORM OF CERTIFICATE OF EXCHANGE 

Exhibit D       FORM OF CERTIFICATE ACQUIRING INSTITUTIONAL ACCREDITED INVESTOR 

Exhibit E       FORM OF NOTATION OF GUARANTEE 

Exhibit F       FORM OF SUPPLEMENTAL INDENTURE 

SCHEDULE 
 Schedule 4.11      
AFFILIATE TRANSACTIONS 
  

  
 iv 












 INDENTURE dated as of November 27, 2019 among TARGA RESOURCES PARTNERS LP, a Delaware
limited partnership (“Targa Resources Partners”), TARGA RESOURCES PARTNERS FINANCE CORPORATION, a Delaware corporation (“Finance Corp.” and, together with Targa Resources Partners, the
“Issuers”), the Guarantors (as defined) and U.S. BANK NATIONAL ASSOCIATION, as trustee. 
 The Issuers, the
Guarantors and the Trustee agree as follows for the benefit of each other and for the equal and ratable benefit of the Holders (as defined) of the 51⁄2% Senior
Notes due 2030 (the “Notes”): 
 ARTICLE 1 

DEFINITIONS AND INCORPORATION BY REFERENCE 

Section 1.01 Definitions. 

“144A Global Note” means a Global Note substantially in the form of Exhibit A hereto, bearing the Global Note Legend,
the Private Placement Legend and the OID Legend, if applicable, deposited with the Custodian and registered in the name of the Depositary or its nominee, issued in a denomination equal to the outstanding principal amount of the Notes sold in
reliance on Rule 144A. 
 “2008 Indenture” means the Indenture, dated June 18, 2008, relating to the formerly
outstanding 81⁄4% Senior Notes due 2016 of the Issuers, as amended and supplemented. 

“2012 Indenture” means the Indenture, dated October 22, 2012, relating to the
51⁄4% Senior Notes due 2023 of the Issuers, as amended or supplemented from time to time. 

“2013 Indenture” means the Indenture, dated May 14, 2013, relating to the
41⁄4% Senior Notes due 2023 of the Issuers, as amended or supplemented from time to time. 

“2015 Indenture” means the Indenture, dated September 14, 2015, relating to the
63⁄4% Senior Notes due 2024 of the Issuers, as amended or supplemented from time to time. 

“2016 Indenture” means the Indenture, dated October 6, 2016, relating to the
51⁄8% Senior Notes due 2025 and the 53⁄8% Senior Notes due 2027 of the Issuers,
as amended or supplemented from time to time. 
 “2017 Indenture” means the Indenture, dated October 17, 2017,
relating to the 5% Senior Notes due 2028 of the Issuers, as amended or supplemented from time to time. 
 “2018
Indenture” means the Indenture, dated April 12, 2018, relating to the 57⁄8% Senior Notes due 2026 of the Issuers, as amended or
supplemented from time to time. 
 “2019 January Indenture” means the Indenture, dated
January 17, 2019, relating to the 61⁄2% Senior Notes due 2027 and 67⁄8%
Senior Notes due 2029 of the Issuers, as amended or supplemented from time to time. 











 “Acquired Debt” means, with respect to any specified Person: 

(1) Indebtedness of any other Person existing at the time such other Person is merged with or into or becomes a Subsidiary of
such specified Person, whether or not such Indebtedness is incurred in connection with, or in contemplation of, such other Person merging with or into, or becoming a Subsidiary of, such specified Person, but excluding Indebtedness which is
extinguished, retired or repaid in connection with such Person merging with or into or becoming a Subsidiary of such specified Person; and 

(2) Indebtedness secured by a Lien encumbering any asset acquired by such specified Person. 

“Additional Notes” means additional Notes (other than the Initial Notes) issued under this Indenture in accordance
with Sections 2.02 and 4.09 hereof, as part of the same series as the Initial Notes. 
 “Affiliate” of any specified
Person means any other Person directly or indirectly controlling or controlled by or under direct or indirect common control with such specified Person. For purposes of this definition, “control,” as used with respect to any Person, means
the possession, directly or indirectly, of the power to direct or cause the direction of the management or policies of such Person, whether through the ownership of voting securities, by agreement or otherwise; provided that beneficial
ownership of 10% or more of the Voting Stock of a Person will be deemed to be control; provided, further, that any third Person which also beneficially owns 10% or more of the Voting Stock of a specified Person shall not be deemed to
be an Affiliate of either the specified Person or the other Person merely because of such common ownership in such specified Person. For purposes of this definition, the terms “controlling,” “controlled
by” and “under common control with” have correlative meanings. 
 “Agent” means
any Registrar or Paying Agent. 
 “Applicable Premium” means, with respect to any Note, at the time of computation,
the greater of: 
 (1) 1.0% of the principal amount of the Note; or 

(2) the excess of: (a) the present value at such time of (i) the redemption price of the Note at March 1, 2025
(such redemption price being set forth in the table appearing in Section 3.07 hereof) plus (ii) all required interest payments due on the Note through March 1, 2025 (excluding accrued but unpaid interest to the Redemption Date),
computed using a discount rate equal to the Treasury Rate as of such time plus 50 basis points, discounted to the Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months); over (b) the principal amount of the Note. 
 “Applicable
Procedures” means, with respect to any transfer or exchange of or for beneficial interests in any Global Note, the rules and procedures of the Depositary, Euroclear and Clearstream that apply to such transfer or exchange. 

  
 2 












 “Asset Sale” means: 

(1) the sale, lease, conveyance or other disposition of any properties or assets; provided, however, that the
sale, lease, conveyance or other disposition of all or substantially all of the properties or assets of Targa Resources Partners and its Subsidiaries taken as a whole will be governed by Section 4.15 hereof and/or Section 5.01 hereof and
not by Section 4.10 hereof; and 
 (2) the issuance of Equity Interests in any of Targa Resources Partners’
Restricted Subsidiaries or the sale of Equity Interests in any of its Restricted Subsidiaries. 
 Notwithstanding the preceding, none of the
following items will be deemed to be an Asset Sale: 
 (1) any single transaction or series of related transactions that
involves properties or assets having a Fair Market Value of less than $25.0 million; 
 (2) the sale or discount of
accounts receivable arising in the ordinary course of business in connection with the compromise or collection thereof and dispositions of Receivables and any related assets to or by a Securitization Subsidiary in connection with a Permitted
Receivables Financing; 
 (3) transfer of properties or assets between or among Targa Resources Partners and its Restricted
Subsidiaries; 
 (4) an issuance or sale of Equity Interests by a Restricted Subsidiary of Targa Resources Partners to Targa
Resources Partners or to a Restricted Subsidiary of Targa Resources Partners; 
 (5) the sale or lease of products,
equipment, services or accounts receivable in the ordinary course of business and any sale or other disposition of damaged, worn-out or obsolete properties or assets in the ordinary course of business; 

(6) the sale or other disposition of cash or Cash Equivalents, Hedging Obligations or other financial instruments in the
ordinary course of business; 
 (7) a Restricted Payment that does not violate Section 4.07 hereof or a Permitted
Investment; 
 (8) any trade or exchange by Targa Resources Partners or any Restricted Subsidiary of properties or assets of
any type for properties or assets of any type owned or held by another Person, including any disposition of some but not all of the Equity Interests of a Restricted Subsidiary in exchange for assets or properties and after which the Person whose
Equity Interests have been so disposed of continues to be a Restricted Subsidiary; provided that the Fair Market Value of the properties or assets traded or exchanged by Targa Resources Partners or such Restricted Subsidiary (together with
any cash or Cash Equivalents and liabilities assumed) is reasonably equivalent to the Fair Market Value of the properties or assets (together with any cash or Cash Equivalents and liabilities assumed) to be received by Targa Resources Partners or
such Restricted Subsidiary; and provided, further, that any cash received must be applied in accordance with Section 4.10 hereof; 

  
 3 












 (9) the creation or perfection of a Lien that is not prohibited by
Section 4.12 hereof and any disposition in connection with a Permitted Lien; 
 (10) dispositions of Investments in
Joint Ventures to the extent required by, or made pursuant to customary buy/sell arrangements between the Joint Venture parties set forth in, Joint Venture agreements or any similar binding arrangements; 

(11) surrender or waiver of contract rights or the settlement, release or surrender of contract, tort or other claims of any
kind; and 
 (12) the grant in the ordinary course of business of any non-exclusive
license of patents, trademarks, registrations therefor and other similar intellectual property. 
 “Attributable
Debt” in respect of a sale and leaseback transaction means, at the time of determination, the present value of the obligation of the lessee for net rental payments during the remaining term of the lease included in such sale and
leaseback transaction including any period for which such lease has been extended or may, at the option of the lessor, be extended. Such present value shall be calculated using a discount rate equal to the rate of interest implicit in such
transaction, determined in accordance with GAAP; provided, however, that if such sale and leaseback transaction results in a Capital Lease Obligation, the amount of Indebtedness represented thereby will be determined in accordance with
the definition of “Capital Lease Obligation.” 
 “Available Cash” has the meaning assigned to such term in
the Partnership Agreement, as in effect on the date of this Indenture. 
 “Bankruptcy Law” means Title 11, U.S. Code
or any similar federal or state law for the relief of debtors. 
 “Beneficial Owner” has the meaning assigned to
such term in Rule 13d-3 and Rule 13d-5 under the Exchange Act, except that in calculating the beneficial ownership of any particular “person” (as that term is
used in Section 13(d)(3) of the Exchange Act), such “person” will be deemed to have beneficial ownership of all securities that such “person” has the right to acquire by conversion or exercise of other securities, whether
such right is currently exercisable or is exercisable only after the passage of time. The terms “Beneficially Owns” and “Beneficially Owned” have a corresponding meaning. 

“Board of Directors” means: 

(1) with respect to a corporation, the board of directors of the corporation or any committee thereof duly authorized to act on
behalf of such board; 

  
 4 












 (2) with respect to a partnership, the board of directors or board of
managers of the general partner of the partnership, or, if such general partner is itself a limited partnership, then the board of directors or board of managers of its general partner; 

(3) with respect to a limited liability company, the board of managers or directors, the managing member or members or any
controlling committee of managing members thereof; and 
 (4) with respect to any other Person, the board or committee of
such Person serving a similar function. 
 “Broker-Dealer” has the meaning attributed to the term
“Participating Broker-Dealer” in the initial Registration Rights Agreement. 
 “Business Day” means any
day other than a Legal Holiday. 
 “Capital Lease Obligation” means, at the time any determination is to be made,
the amount of the liability in respect of a capital lease that would at that time be required to be capitalized on a balance sheet prepared in accordance with GAAP, excluding liabilities resulting from a change in GAAP subsequent to the date of this
Indenture, and the Stated Maturity thereof shall be the date of the last payment of rent or any other amount due under such lease prior to the first date upon which such lease may be prepaid by the lessee without payment of a penalty. 

“Capital Stock” means: 

(1) in the case of a corporation, corporate stock; 

(2) in the case of an association or business entity, any and all shares, interests, participations, rights or other
equivalents (however designated) of corporate stock; 
 (3) in the case of a partnership or limited liability company,
partnership interests (whether general or limited) or membership interests; and 
 (4) any other interest or participation
that confers on a Person the right to receive a share of the profits and losses of, or distributions of assets of, the issuing Person, 

(5) but excluding from all of the foregoing any debt securities convertible into Capital Stock, whether or not such debt
securities include any right of participation with Capital Stock. 

  
 5 












 “Cash Equivalents” means: 

(1) United States dollars or, in an amount up to the amount necessary or appropriate to fund local operating expenses, other
currencies; 
 (2) securities issued or directly and fully guaranteed or insured by the United States government or any
agency or instrumentality of the United States government (provided that the full faith and credit of the United States is pledged in support of those securities) having maturities of not more than one year from the date of acquisition; 

(3) certificates of deposit and Eurodollar time deposits with maturities of six months or less from the date of acquisition,
bankers’ acceptances with maturities not exceeding six months and overnight bank deposits, in each case, with any domestic commercial bank having capital and surplus in excess of $500.0 million and a Thomson BankWatch Rating of
“B” or better; 
 (4) repurchase obligations with a term of not more than seven days for underlying securities of
the types described in clauses (2) and (3) above entered into with any financial institution meeting the qualifications specified in clause (3) above; 

(5) commercial paper having one of the two highest ratings obtainable from Moody’s or S&P and, in each case, maturing
within six months after the date of acquisition; and 
 (6) money market funds at least 95% of the assets of which constitute
Cash Equivalents of the kinds described in clauses (1) through (5) of this definition. 
 “Change of Control”
means the occurrence of any of the following: 
 (1) the sale, lease, transfer, conveyance or other disposition (other than
by way of merger or consolidation), in one or a series of related transactions, of all or substantially all of the properties or assets (including Capital Stock of the Subsidiaries of Targa Resources Partners) of Targa Resources Partners and its
Subsidiaries taken as a whole to any “person” (as that term is used in Section 13(d)(3) of the Exchange Act) other than a Restricted Subsidiary of Targa Resources Partners; 

(2) the adoption of a plan relating to the liquidation or dissolution of Targa Resources Partners or the removal of the General
Partner by the limited partners of Targa Resources Partners; or 
 (3) the consummation of any transaction (including,
without limitation, any merger or consolidation), the result of which is that any “person” (as defined above) becomes the Beneficial Owner, directly or indirectly, of more than 50% of the Voting Stock of the General Partner or, if Targa
Resources Partners is no longer a limited partnership, of Targa Resources Partners, measured by voting power rather than number of shares, units or the like, other than any merger or consolidation in which the Voting Stock of the General Partner or
Targa Resources Partners, as the case may be, outstanding immediately prior to the transaction, collectively, is exchanged or converted into more than 50% of the Voting Stock of the surviving entity or any parent thereof. 

  
 6 












 Notwithstanding the preceding, a conversion of Targa Resources Partners or any of its
Restricted Subsidiaries from a limited partnership, corporation, limited liability company or other form of entity to a limited liability company, corporation, limited partnership or other form of entity or an exchange of all of the outstanding
Equity Interests in one form of entity for Equity Interests in another form of entity shall not constitute a Change of Control, so long as following such conversion or exchange the “persons” (as that term is used in Section 13(d)(3)
of the Exchange Act) who Beneficially Owned the Capital Stock of Targa Resources Partners immediately prior to such transactions continue to Beneficially Own in the aggregate more than 50% of the Voting Stock of such entity or any parent thereof ,
or continue to Beneficially Own sufficient Equity Interests in such entity to elect a majority of its directors, managers, trustees or other persons serving in a similar capacity for such entity or its general partner or any parent thereof, as
applicable, and, in either case no “person,” other than Targa, Beneficially Owns more than 50% of the Voting Stock of such entity or its general partner or any parent thereof, as applicable. 

“Change of Control Triggering Event” means the occurrence of a Change of Control that is accompanied or followed by a
downgrade by one or more gradations (including gradations within ratings categories as well as between ratings categories) or withdrawal of the rating of the Notes within the Ratings Decline Period by both of the Rating Agencies, as a result of
which the rating of the Notes on any day during such Ratings Decline Period is below the rating by each Rating Agency in effect immediately preceding the first public announcement of the Change of Control (or occurrence thereof if such Change of
Control occurs prior to public announcement). 
 “Clearstream” means Clearstream Banking, Société
Anonyme, or any successor securities clearance agency. 
 “Company Order” means a written order delivered to the
Trustee by Targa Resources Partners and executed on its behalf by an Officer of the General Partner. 
 “Consolidated Cash
Flow” means, with respect to any specified Person for any period, the Consolidated Net Income of such Person for such period plus, without duplication: 

(1) an amount equal to (i) any extraordinary loss plus (ii) any net loss realized by such Person or any of its
Restricted Subsidiaries in connection with an Asset Sale or the disposition of any securities by such Person or any of its Restricted Subsidiaries or the extinguishment of any Indebtedness of such Person or any of its Restricted Subsidiaries, in
each case, to the extent such losses were deducted in computing such Consolidated Net Income; plus 
 (2) provision
for taxes based on income or profits of such Person and its Restricted Subsidiaries for such period, to the extent that such provision for taxes was deducted in computing such Consolidated Net Income; plus 

(3) the consolidated interest expense of such Person and its Restricted Subsidiaries for such period, whether paid or accrued
(including amortization of debt issuance costs and original issue discount, non-cash interest payments, the interest component of any deferred payment obligations, the interest component of all payments
associated with Capital Lease Obligations, imputed interest with respect to Attributable Debt, commissions, discounts and other fees and charges incurred in respect of letter of 

  
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credit or bankers’ acceptance financings, any interest, premiums, fees, discounts, expenses and losses on the sale or contribution of accounts receivable (and any amortization thereof)
payable by Targa Resources Partners or any Restricted Subsidiary in connection with a Permitted Receivables Financing, and any yields or other charges or other amounts comparable to, or in the nature of, interest payable by Targa Resources Partners
or any Restricted Subsidiary under any Permitted Receivables Financing, and net of the effect of all payments, if any, made or received pursuant to interest-rate Hedging Obligations), to the extent that any such expense was deducted in computing
such Consolidated Net Income; plus 
 (4) depreciation, amortization (including amortization of intangibles but
excluding amortization of prepaid cash expenses that were paid in a prior period) and other non-cash expenses (excluding any such non-cash expense to the extent that it
represents an accrual of or reserve for cash expenses in any future period or amortization of a prepaid cash expense that was paid in a prior period) of such Person and its Restricted Subsidiaries for such period to the extent that such
depreciation, amortization and other non-cash expenses were deducted in computing such Consolidated Net Income; plus 

(5) unrealized non-cash losses resulting from foreign currency balance sheet
adjustments required by GAAP to the extent such losses were deducted in computing such Consolidated Net Income; plus 

(6) all extraordinary, unusual or non-recurring items of gain or loss, or revenue or
expense; minus 
 (7) non-cash items increasing such Consolidated Net Income
for such period, other than items that were accrued in the ordinary course of business, 
 (8) in each case, on a
consolidated basis and determined in accordance with GAAP. 
 “Consolidated Net Income” means, with respect to any
specified Person for any period, the aggregate of the Net Income of such Person and its Restricted Subsidiaries for such period, on a consolidated basis, determined in accordance with GAAP; provided that: 

(1) the aggregate Net Income (but not loss) of any Person that is not a Restricted Subsidiary or that is accounted for by the
equity method of accounting will be included only to the extent of the amount of dividends or similar distributions paid in cash to the specified Person or a Restricted Subsidiary of the Person; provided that with respect to any Joint
Venture, the aggregate Net Income of such Joint Venture will be included to the extent of Targa Resources Partners’ and a Restricted Subsidiary’s percent ownership of such Joint Venture so long as the declaration or payment of dividends or
similar distributions by such Joint Venture of that Net Income is at the date of determination permitted without any prior governmental approval (that has not been obtained) or, directly or indirectly, by operation of the terms of its charter or any
agreement, instrument, judgment, decree, order, statute, rule or governmental regulation applicable to that Joint Venture or its stockholders, partners or members; 

  
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 (2) the Net Income of any Restricted Subsidiary that is not a Guarantor will
be excluded to the extent that the declaration or payment of dividends or similar distributions by that Restricted Subsidiary of that Net Income is not at the date of determination permitted without any prior governmental approval (that has not been
obtained) or, directly or indirectly, by operation of the terms of its charter or any agreement, instrument, judgment, decree, order, statute, rule or governmental regulation applicable to that Restricted Subsidiary or its stockholders, partners or
members; 
 (3) the cumulative effect of a change in accounting principles will be excluded; 

(4) unrealized losses and gains under derivative instruments included in the determination of Consolidated Net Income,
including those resulting from the application of FASB ASC Topic No. 815, Derivatives and Hedging, will be excluded; 

(5) in the case of a successor to such Person by consolidation, merger or disposition of its properties or assets, any Net
Income of the successor prior to such transaction will be excluded; 
 (6) any charges relating to any premium or penalty
paid, write off of deferred finance costs or other charges in connection with redeeming or retiring any Indebtedness prior to its Stated Maturity will be excluded; and 

(7) net after-tax gains or losses attributable to sales of receivables under any
Permitted Receivables Financing will be excluded. 
 “Consolidated Net Tangible Assets” means, with respect to any
Person at any date of determination, the aggregate amount of total assets included in such Person’s most recent quarterly or annual consolidated balance sheet prepared in accordance with GAAP less applicable reserves reflected in such balance
sheet, after (i) adding the aggregate incremental amount of total assets that would have resulted from an acquisition of assets from an Affiliate that is accounted for as a pooling had it been accounted for using purchase accounting and
(ii) deducting the following amounts: (a) all current liabilities reflected in such balance sheet, and (b) all goodwill, trademarks, patents, unamortized debt discounts and expenses and other like intangibles reflected in such balance
sheet. 
 “Corporate Trust Office of the Trustee” means the office of the Trustee in the City of New York at which
at any time its corporate trust business shall be administered, which office at the date hereof is located at 100 Wall Street, Suite 1600, New York, New York 10005, Attn: Corporate Trust Department, or such other address in the City of New York as
the Trustee may designate from time to time by notice to the Holders and the Issuers, or the principal corporate trust office in the City of New York of any successor Trustee (or such other address as a successor Trustee may designate from time to
time by notice to the Holders and the Issuers). 

  
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 “Credit Agreement” means that certain Fourth Amended and Restated
Credit Agreement, dated June 29, 2018, by and among Targa Resources Partners LP, as Borrower, Bank of America, N.A., as the Administrative Agent, Collateral Agent, Swing Line Lender and L/C Issuer, and the other lenders party thereto, including
any related notes, Guarantees, collateral documents, instruments and agreements executed in connection therewith, as amended, restated, modified, renewed, refunded, replaced or refinanced in whole or in part from time to time. 

“Credit Facilities” means, one or more debt facilities (including the Credit Agreement), commercial paper facilities
or secured capital markets financings, in each case, with banks or other institutional lenders or institutional investors providing for revolving credit loans, term loans, accounts receivable financing (through the sale or contribution of accounts
receivable to such lenders or to special purpose entities formed to borrow from such lenders against such accounts receivable), including a Permitted Receivables Financing, letters of credit or secured capital markets financings, in each case, as
amended, restated, modified, renewed, refunded, replaced or refinanced (including by means of any capital markets transaction) in whole or in part from time to time. 

“Custodian” means the Trustee, as custodian with respect to the Notes in global form, or any successor entity thereto.

 “Customary Recourse Exceptions” means, with respect to any Non-Recourse
Debt of an Unrestricted Subsidiary, exclusions from the exculpation provisions with respect to such Non-Recourse Debt for the voluntary bankruptcy of such Unrestricted Subsidiary, fraud, misapplication of
cash, environmental claims, waste, willful destruction and other circumstances customarily excluded by lenders from exculpation provisions or included in separate indemnification agreements in non-recourse
financings. 
 “Default” means any event that is, or with the passage of time or the giving of notice or both would
be, an Event of Default. 
 “Definitive Note” means a certificated Note registered in the name of the Holder thereof
and issued in accordance with Section 2.06 hereof, substantially in the form of Exhibit A hereto except that such Note shall not bear the Global Note Legend and shall not have the “Schedule of Exchanges of Interests in the Global
Note” attached thereto. 
 “Depositary” means, with respect to the Notes issuable or issued in whole or in part
in global form, the Person specified in Section 2.03 hereof as the Depositary with respect to the Notes, and any and all successors thereto appointed as Depositary hereunder and having become such pursuant to the applicable provision of this
Indenture. 
 “Designated Non-cash Consideration” means the fair market
value (as determined in good faith by the General Partner) of non-cash consideration received by Targa Resources Partners or one of its Restricted Subsidiaries in connection with an Asset Sale that is so
designated as “Designated Non-cash Consideration” pursuant to an Officers’ Certificate, less the amount of cash or Cash Equivalents received in connection with a subsequent sale of such
Designated Non-cash Consideration. 

  
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 “Disqualified Equity” means any Equity Interest that, by its terms
(or by the terms of any security into which it is convertible, or for which it is exchangeable, in each case, at the option of the holder of the Equity Interest), or upon the happening of any event, matures or is mandatorily redeemable, pursuant to
a sinking fund obligation or otherwise, or redeemable at the option of the holder of the Equity Interest, in whole or in part, on or prior to the date that is 91 days after the date on which the Notes mature. Notwithstanding the preceding sentence,
any Equity Interest that would constitute Disqualified Equity solely because the holders of the Equity Interest have the right to require Targa Resources Partners to repurchase such Equity Interest upon the occurrence of a change of control or an
asset sale will not constitute Disqualified Equity if the terms of such Equity Interest provide that Targa Resources Partners may not repurchase or redeem any such Equity Interest pursuant to such provisions unless such repurchase or redemption
complies with Section 4.07 hereof. 
 “Domestic Subsidiary” means any Restricted Subsidiary of Targa Resources
Partners that was formed under the laws of the United States or any state of the United States or the District of Columbia and all of whose outstanding Capital Stock is Beneficially Owned by Targa Resources Partners. 

“Equity Interests” means Capital Stock and all warrants, options or other rights to acquire Capital Stock (but
excluding any debt security that is convertible into, or exchangeable for, Capital Stock). 
 “Equity Offering”
means any public or private sale of Equity Interests (other than Disqualified Equity) made for cash on a primary basis by Targa Resources Partners after the date of this Indenture. 

“Euroclear” means Euroclear Bank SA/NV, or any successor securities clearance agency. 

“Exchange Act” means the Securities Exchange Act of 1934, as amended. 

“Exchange Notes” means the Notes issued in an Exchange Offer pursuant to Section 2.06(f) hereof. 

“Exchange Offer” has the meaning set forth in the applicable Registration Rights Agreement. 

“Exchange Offer Registration Statement” has the meaning set forth in the applicable Registration Rights Agreement.

 “Existing Indebtedness” means the aggregate principal amount of Indebtedness of Targa Resources Partners and its
Subsidiaries (other than Indebtedness under the Credit Agreement) in existence on the date of this Indenture, until such amounts are repaid. 

“Fair Market Value” means the value that would be paid by a willing buyer to an unaffiliated willing seller in a
transaction not involving distress or necessity of either party, determined in good faith by the Board of Directors of the General Partner in the case of amounts over $50.0 million and otherwise by an executive officer of the General Partner.


  
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 “FERC Subsidiary” means a Restricted Subsidiary of Targa Resources
Partners that is subject to the regulatory jurisdiction of the Federal Energy Regulatory Commission (or any successor thereof) under Section 7(c) of the Natural Gas Act of 1938. 

“Finance Corp.” has the meaning given to it in the preamble of this Indenture and includes any successor
thereof. 
 “Fixed Charge Coverage Ratio” means with respect to any specified Person for any four-quarter reference
period, the ratio of the Consolidated Cash Flow of such Person for such period to the Fixed Charges of such Person for such period. If the specified Person or any of its Restricted Subsidiaries incurs, assumes, guarantees, repays, repurchases,
redeems, defeases or otherwise discharges any Indebtedness (other than ordinary working capital borrowings) or issues, repurchases or redeems Disqualified Equity subsequent to the commencement of the applicable four-quarter reference period and on
or prior to the date on which the event for which the calculation of the Fixed Charge Coverage Ratio is made (the “Calculation Date”), then the Fixed Charge Coverage Ratio will be calculated giving pro forma effect to such
incurrence, assumption, Guarantee, repayment, repurchase, redemption, defeasance or other discharge of Indebtedness, or such issuance, repurchase or redemption of Disqualified Equity, and the use of the proceeds therefrom, as if the same had
occurred at the beginning of such period. 
 In addition, for purposes of calculating the Fixed Charge Coverage Ratio: 

(1) acquisitions that have been made by the specified Person or any of its Restricted Subsidiaries, including through mergers
or consolidations and including any related financing transactions during the four-quarter reference period or subsequent to such reference period and on or prior to the Calculation Date will be given pro forma effect as if they had occurred on the
first day of the four-quarter reference period, including any Consolidated Cash Flow and any pro forma expense and cost reductions that have occurred or are reasonably expected to occur, in the reasonable judgment of the chief financial or
accounting officer of such Person (regardless of whether those cost savings or operating improvements could then be reflected in pro forma financial statements in accordance with Regulation S-X promulgated
under the Securities Act or any other regulation or policy of the SEC related thereto); 
 (2) the Consolidated Cash Flow
attributable to discontinued operations, as determined in accordance with GAAP, and operations or businesses (and ownership interests therein) disposed of prior to the Calculation Date, will be excluded; 

(3) the Fixed Charges attributable to discontinued operations, as determined in accordance with GAAP, and operations or
businesses (and ownership interests therein) disposed of prior to the Calculation Date, will be excluded, but only to the extent that the obligations giving rise to such Fixed Charges will not be obligations of the specified Person or any of its
Restricted Subsidiaries following the Calculation Date; 
 (4) interest income reasonably anticipated by such Person to be
received during the applicable four quarter period from cash or Cash Equivalents held by such Person or any Restricted Subsidiary of such Person, which cash or Cash Equivalents exist on the Calculation Date or will exist as a result of the
transaction giving rise to the need to calculate the Fixed Charge Coverage Ratio, will be included; 

  
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 (5) any Person that is a Restricted Subsidiary of the specified Person on
the Calculation Date will be deemed to have been a Restricted Subsidiary of the specified Person at all times during such four-quarter period; 

(6) any Person that is not a Restricted Subsidiary of the specified Person on the Calculation Date will be deemed not to have
been a Restricted Subsidiary of the specified Person at any time during such four-quarter period; 
 (7) if any Indebtedness
bears a floating rate of interest, the interest expense on such Indebtedness will be calculated as if the average rate in effect from the beginning of the applicable period to the Calculation Date had been the applicable rate for the entire period
(taking into account any Hedging Obligation applicable to such Indebtedness, but if such Hedging Obligation has a remaining term as at the Calculation Date of less than 12 months, then such Hedging Obligation shall only be taken into account for
that portion of the period equal to the remaining term thereof); and 
 (8) if any Indebtedness is incurred under a revolving
credit facility and is being given pro forma effect, the interest on such Indebtedness shall be calculated based on the average daily balance of such Indebtedness for the four fiscal quarters subject to the pro forma calculation. 

“Fixed Charges” means, with respect to any specified Person for any period, (A) the sum, without duplication, of:

 (1) the consolidated interest expense of such Person and its Restricted Subsidiaries for such period, whether paid or
accrued, including amortization of debt issuance costs and original issue discount, non-cash interest payments, the interest component of any deferred payment obligations, the interest component of all
payments associated with Capital Lease Obligations, imputed interest with respect to Attributable Debt, commissions, discounts and other fees and charges incurred in respect of letter of credit or bankers’ acceptance financings, any interest,
premiums, fees, discounts, expenses and losses on the sale of accounts receivable (and any amortization thereof) payable by Targa Resources Partners or any Restricted Subsidiary in connection with a Permitted Receivables Financing, and any yield or
other charges or other amounts comparable to, or in the nature of, interest payable by Targa Resources Partners or any Restricted Subsidiary under any Permitted Receivables Financing, but excluding (a) amortization of deferred financing charges
incurred in respect of the notes and the Credit Agreement on or prior to the date of this Indenture and (b) the write off of any deferred financing fees or debt discount, and net of the effect of all payments made or received pursuant to
Hedging Obligations in respect of interest rates; plus 
 (2) the consolidated interest expense of such Person and its
Restricted Subsidiaries that was capitalized during such period; plus 

  
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 (3) any interest expense respecting Indebtedness of another Person that is
guaranteed by such Person or one of its Restricted Subsidiaries or secured by a Lien on assets of such Person or one of its Restricted Subsidiaries, whether or not such Guarantee or Lien is called upon; plus 

(4) all dividends, whether paid or accrued and whether or not in cash, on any series of Disqualified Equity of such Person or
any of its Restricted Subsidiaries, other than dividends on Equity Interests payable solely in Equity Interests of Targa Resources Partners (other than Disqualified Equity) or to Targa Resources Partners or a Restricted Subsidiary of Targa Resources
Partners; minus 
 (B) to the extent included in (A) above, write-offs of deferred financing costs of such Person and its Restricted
Subsidiaries during such period and any charge related to, or any premium or penalty paid in connection with, paying any such Indebtedness of such Person and its Restricted Subsidiaries prior to its Stated Maturity. 

“Foreign Subsidiary” means any Restricted Subsidiary of Targa Resources Partners (i) that is not a Domestic
Subsidiary and (ii) that has 50% or more of its consolidated assets located outside the United States or any territory thereof. 

“GAAP” means generally accepted accounting principles in the United States, which are in effect from time to time.

 “General Partner” means Targa Resources GP LLC, a Delaware limited liability company, and its successors and
permitted assigns as general partner of Targa Resources Partners or as the business entity with the ultimate authority to manage the business and operations of Targa Resources Partners. 

“Global Note Legend” means the legend set forth in Section 2.06(g)(2) hereof, which is required to be placed on
all Global Notes issued under this Indenture. 
 “Global Notes” means, individually and collectively, each of the
Restricted Global Notes and the Unrestricted Global Notes registered in the name of the Depositary or its nominee, deposited with the Custodian, substantially in the form of Exhibit A hereto, that bears the Global Note Legend and that has the
“Schedule of Exchanges of Interests in the Global Note” attached thereto, issued in accordance with Section 2.01 or 2.06 hereof. 

“Government Securities” means direct obligations of, or obligations guaranteed by, the United States of America for
the payment of which guarantee or obligations the full faith and credit of the United States of America is pledged. 

“Guarantee” means a guarantee other than by endorsement of negotiable instruments for collection in the ordinary
course of business, direct or indirect, in any manner including by way of a pledge of assets or through letters of credit or reimbursement agreements in respect thereof, of all or any part of any Indebtedness. 

  
 14 












 “Guarantors” means each of: 

(1) the Subsidiaries of Targa Resources Partners, other than Finance Corp., executing this Indenture as initial Guarantors; and

 (2) any other Subsidiary of Targa Resources Partners that becomes a Guarantor in accordance with the provisions of this
Indenture, 
 and their respective successors and assigns, in each case, until the Note Guarantee of such Person has been released in accordance with the
provisions of this Indenture. 
 “Hedging Obligations” means, with respect to any specified Person, the obligations
of such Person incurred in the ordinary course of business and not for speculative purposes under: 
 (1) interest rate swap
agreements (whether from fixed to floating or from floating to fixed), interest rate cap agreements and interest rate collar agreements entered into with one or more financial institutions and designed to reduce costs of borrowing or to protect the
Person or any of its Restricted Subsidiaries entering into the agreement against fluctuations in interest rates with respect to Indebtedness incurred; 

(2) other agreements or arrangements designed to manage interest rates or interest rate risk; 

(3) foreign exchange contracts and currency protection agreements entered into with one of more financial institutions and
designed to protect the Person or any of its Restricted Subsidiaries entering into the agreement against fluctuations in currency exchange rates with respect to Indebtedness incurred; 

(4) any commodity futures contract, commodity option, commodity swap agreement or other similar agreement or arrangement
designed to protect against fluctuations in the price of Hydrocarbons used, produced, processed or sold by that Person or any of its Restricted Subsidiaries at the time; and 

(5) other agreements or arrangements designed to protect such Person or any of its Restricted Subsidiaries against fluctuations
in currency exchange rates or commodity prices. 
 “Holder” means a Person in whose name a Note is registered. 

“Hydrocarbons” means crude oil, natural gas, natural gas liquids, casinghead gas, drip gasoline, condensate,
distillate, liquid hydrocarbons, gaseous hydrocarbons and all constituents, elements or compounds thereof and products refined or processed therefrom. 

  
 15 












 “Indebtedness” means, with respect to any specified Person, any
indebtedness of such Person, whether or not contingent: 
 (1) in respect of borrowed money; 

(2) evidenced by bonds, notes, debentures or similar instruments or letters of credit (or reimbursement agreements in respect
thereof); 
 (3) in respect of bankers’ acceptances; 

(4) representing Capital Lease Obligations or Attributable Debt in respect of sale and leaseback transactions; 

(5) representing a Permitted Receivables Financing of such Person; 

(6) representing the balance deferred and unpaid of the purchase price of any property or services due more than six months
after such property is acquired or such services are completed; or 
 (7) representing any Hedging Obligations, 

if and to the extent any of the preceding items (other than letters of credit, Attributable Debt and Hedging Obligations) would appear as a liability upon a
balance sheet of the specified Person prepared in accordance with GAAP. In addition, the term “Indebtedness” includes all Indebtedness of others secured by a Lien on any asset of the specified Person (whether or not such Indebtedness is
assumed by the specified Person) and, to the extent not otherwise included, the Guarantee by the specified Person of any Indebtedness of any other Person. 

Notwithstanding the foregoing, the following shall not constitute “Indebtedness”: 

(1) accrued expenses and trade accounts payable arising in the ordinary course of business; 

(2) any obligation of such Person or any of its Restricted Subsidiaries in respect of bid, performance, surety and similar
bonds issued for the account of such Person and any of its Restricted Subsidiaries in the ordinary course of business, including Guarantees and obligations of such Person or any of its Restricted Subsidiaries with respect to letters of credit
supporting such obligations (in each case other than an obligation for money borrowed); 
 (3) any Indebtedness that has been
defeased in accordance with GAAP or defeased pursuant to the deposit of cash or Government Securities (in an amount sufficient to satisfy all such Indebtedness at fixed maturity or redemption, as applicable, and all payments of interest and premium,
if any) in a trust or account created or pledged for the sole benefit of the holders of such Indebtedness and subject to no other Liens, and the other applicable terms of the instrument governing such Indebtedness; 

(4) any obligation arising from the honoring by a bank or other financial institution of a check, draft or similar instrument
drawn against insufficient funds in the ordinary course of business; provided, however, that such obligation is extinguished within five Business Days of its incurrence; and 

  
 16 












 (5) any obligation arising from any agreement providing for indemnities,
guarantees, purchase price adjustments, holdbacks, contingency payment obligations based on the performance of the acquired or disposed assets or similar obligations (other than Guarantees of Indebtedness) incurred by any Person in connection with
the acquisition or disposition of assets. 
 The term “Indebtedness” also excludes any repayment or reimbursement obligation of such Person or any
of its Restricted Subsidiaries with respect to Customary Recourse Exceptions, unless and until an event or circumstance occurs that triggers the Person’s or such Restricted Subsidiary’s direct repayment or reimbursement obligation (as
opposed to contingent or performance obligations) to the lender or other Person to whom such obligation is actually owed, in which case the amount of such direct payment or reimbursement obligation shall constitute Indebtedness. 

“Indenture” means this Indenture, as amended or supplemented from time to time. 

“Initial Notes” means the first $1,000,000,000 aggregate principal amount of Notes issued under this Indenture on the
date hereof. 
 “Initial Purchasers” means, (i) with respect to the Initial Notes, RBC Capital Markets, LLC,
Barclays Capital Inc., BofA Securities, Inc., Citigroup Global Markets Inc., MUFG Securities Americas Inc., Wells Fargo Securities, LLC, PNC Capital Markets LLC, BBVA Securities Inc., J.P. Morgan Securities LLC, Morgan Stanley & Co. LLC,
SunTrust Robinson Humphrey, Inc., ING Financial Markets LLC, BB&T Capital Markets, a division of BB&T Securities, LLC, BMO Capital Markets Corp., CIBC World Markets Corp., Credit Agricole Securities (USA) Inc., Fifth Third Securities, Inc.,
Regions Securities LLC, Citizens Capital Markets, Inc. and The Huntington Investment Company and (ii) with respect to any Additional Notes, the initial purchasers thereof. 

“Institutional Accredited Investor” means an institution that is an “accredited investor” as defined in Rule
501(a)(1), (2), (3) or (7) under the Securities Act, who is not also a QIB. 
 “Investment Grade Rating” means
a rating equal to or higher than Baa3 (or the equivalent) by Moody’s or BBB- (or the equivalent) by S&P. 

“Investments” means, with respect to any Person, (a) all direct or indirect investments by such Person in other
Persons (including Affiliates) in the forms of loans (including Guarantees or other obligations), advances or capital contributions (excluding (1) commission, travel and similar advances to officers and employees made in the ordinary course of
business and (2) advances to customers in the ordinary course of business that are recorded as accounts receivable on the balance sheet of the lender) and (b) purchases or other acquisitions of Indebtedness, Equity Interests or other
securities, together with all items that are or would be classified as investments on a balance sheet prepared in accordance with GAAP. If Targa Resources Partners or any Restricted Subsidiary of Targa Resources Partners sells or otherwise disposes
of any Equity Interests of any direct or indirect Restricted Subsidiary of Targa 

  
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Resources Partners such that, after giving effect to any such sale or disposition, such Person is no longer a Restricted Subsidiary of Targa Resources Partners, Targa Resources Partners will be
deemed to have made an Investment on the date of any such sale or disposition equal to the Fair Market Value of Targa Resources Partners’ Investments in such Restricted Subsidiary that were not sold or disposed of in an amount determined as
provided in Section 4.07(c) hereof. 
 “Issuers” has the meaning given to it in the preamble of this Indenture.

 “Joint Venture” means (i) any Person that is not a direct or indirect Subsidiary of Targa Resources Partners
in which Targa Resources Partners or any of its Restricted Subsidiaries makes any Investment (provided that, for purposes of the proviso to clause (1) of the definition of “Consolidated Net Income,” Targa Resources Partners and
its Restricted Subsidiaries own at least 20% of the Equity Interests of such Person on a fully diluted basis or control the management of such Person pursuant to a contractual agreement) or (ii) an Unrestricted Subsidiary of Targa Resources
Partners that (a) has no Indebtedness and (b) was an Affiliate of Targa Resources Partners as of the date of this Indenture. 

“Legal Holiday” means a Saturday, a Sunday or a day on which banking institutions in the City of Houston, the City of
New York or at a place of payment are authorized by law, regulation or executive order to remain closed. If a payment date is a Legal Holiday at a place of payment, payment may be made at that place on the next succeeding day that is not a Legal
Holiday, and no interest shall accrue on such payment for the intervening period. 
 “Letter of Transmittal” means
the letter of transmittal to be prepared by the Issuers and sent to all Holders of the Notes for use by such Holders in connection with an Exchange Offer. 

“Lien” means, with respect to any asset, any mortgage, lien, pledge, charge, security interest or encumbrance of any
kind in respect of such asset, whether or not filed, recorded or otherwise perfected under applicable law, including any conditional sale or other title retention agreement, any lease in the nature thereof, any option or other agreement to sell or
give a security interest in and any filing of or agreement to give any financing statement under the Uniform Commercial Code (or equivalent statutes) of any jurisdiction other than a precautionary financing statement respecting a lease not intended
as a security agreement. In no event shall a right of first refusal be deemed to constitute a Lien. 
 “Liquidated
Damages” means all liquidated damages then owing pursuant to a Registration Rights Agreement. 

“Moody’s” means Moody’s Investors Service, Inc., or any successor to the rating agency business thereof.

 “Net Income” means, with respect to any specified Person, the net income (loss) of such Person, determined in
accordance with GAAP and before any reduction in respect of preferred stock dividends, excluding, however: 
 (1) any gain
(but not loss), together with any related provision for taxes on such gain (but not loss), realized in connection with: 

  
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 (a) any Asset Sale; or 

(b) the disposition of any securities by such Person or the extinguishment of any Indebtedness of such Person; and 

(2) any extraordinary gain (but not loss), together with any related provision for taxes on such extraordinary gain (but not
loss). 
 “Net Proceeds” means the aggregate cash proceeds received by Targa Resources Partners or any of its
Restricted Subsidiaries in respect of any Asset Sale (including any cash received upon the sale or other disposition of any non-cash consideration received in any Asset Sale), net of: 

(1) the direct costs relating to such Asset Sale, including legal, accounting and investment banking fees, and sales
commissions, and any relocation expenses incurred as a result of the Asset Sale, 
 (2) taxes paid or payable as a result of
the Asset Sale, in each case, after taking into account any available tax credits or deductions and any tax sharing arrangements, 

(3) amounts required to be applied to the repayment of Indebtedness, other than revolving credit Indebtedness except to the
extent resulting in a permanent reduction in availability of such Indebtedness under a Credit Facility, secured by a Lien on the properties or assets that were the subject of such Asset Sale and all distributions and payments required to be made to
minority interest holders in Restricted Subsidiaries as a result of such Asset Sale, and 
 (4) any amounts to be set aside
in any reserve established in accordance with GAAP or any amount placed in escrow, in either case for adjustment in respect of the sale price of such properties or assets or for liabilities associated with such Asset Sale and retained by Targa
Resources Partners or any of its Restricted Subsidiaries until such time as such reserve is reversed or such escrow arrangement is terminated, in which case Net Proceeds shall include only the amount of the reserve so reversed or the amount returned
to Targa Resources Partners or its Restricted Subsidiaries from such escrow arrangement, as the case may be. 
 “Non-Recourse Debt” means Indebtedness: 
 (1) as to which neither Targa
Resources Partners nor any of its Restricted Subsidiaries (a) provides credit support of any kind (including any undertaking, agreement or instrument that would constitute Indebtedness), except for Customary Recourse Exceptions, (b) is
directly or indirectly liable as a guarantor or otherwise or (c) is the lender; and 
 (2) no default with respect to
which (including any rights that the holders of the Indebtedness may have to take enforcement action against an Unrestricted Subsidiary) would permit upon notice, lapse of time or both any holder of any other Indebtedness (except the Notes) of Targa
Resources Partners or any of its Restricted Subsidiaries to declare a default on such other Indebtedness or cause the payment of the Indebtedness to be accelerated or payable prior to its Stated Maturity. 

  
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 For purposes of determining compliance with Section 4.09 hereof, if any Non-Recourse Debt of any of Targa Resources Partners’ Unrestricted Subsidiaries ceases to be Non-Recourse Debt of such Unrestricted Subsidiary, such event will be deemed
to constitute an incurrence of Indebtedness by a Restricted Subsidiary of Targa Resources Partners. 
 “Non-U.S. Person” means a Person who is not a U.S. Person. 

“Note Guarantee” means the Guarantee by each Guarantor of the Issuers’ obligations under this Indenture and the
Notes, pursuant to the provisions of this Indenture. 
 “Notes” has the meaning given to it in the preamble of this
Indenture. The Initial Notes, any Additional Notes, any Exchange Notes and any Private Exchange Notes shall be treated as a single class for all purposes under this Indenture, and unless the context otherwise requires, all references to the Notes
shall include the Initial Notes, any Additional Notes, any Exchange Notes and any Private Exchange Notes. 

“Obligations” means any principal, interest, penalties, fees, indemnifications, reimbursements, damages and other
liabilities payable under the documentation governing any Indebtedness. 
 “Offering Memorandum” means the final
Offering Memorandum of the Issuers, dated November 13, 2019, with respect to the Initial Notes offered thereunder to the Initial Purchasers. 

“Officer” means, with respect to any Person, the Chairman of the Board, the Chief Executive Officer, any President,
the Chief Commercial Officer, the Chief Financial Officer, the Treasurer, any Assistant Treasurer, the Controller, the Secretary or any Vice-President of such Person (or, if such Person is a limited partnership, the general partner of such Person,
except it shall be the General Partner in the case of Targa Resources Partners). 
 “Officers’ Certificate”
means, with respect to any Person, a certificate signed on behalf of such Person by any two of its Officers, one of whom must be the principal executive officer, the principal financial officer or the principal accounting officer of such Person that
meets the requirements of Section 12.05 hereof. 
 “OID Legend” means the legend set forth in
Section 2.06(g)(3) hereof to be placed on all Notes issued under this Indenture that have more than a de minimis amount of original issue discount for U.S. Federal income tax purposes. 

“Opinion of Counsel” means an opinion from legal counsel who is reasonably acceptable to the Trustee, that meets the
requirements of Section 12.05 hereof. The counsel may be an employee of or counsel to Targa Resources Partners, the General Partner, any Subsidiary of Targa Resources Partners or the General Partner or the Trustee. 

  
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 “Opinion of Outside Counsel” means an opinion from legal counsel who
is reasonably acceptable to the Trustee, that meets the requirements of Section 12.05 hereof. The counsel may be an employee of or counsel to the Trustee but not an employee of an Issuer or an Affiliate thereof. 

“Partnership Agreement” means the Third Amended and Restated Agreement of Limited Partnership of Targa Resources
Partners LP, effective as of December 1, 2016, as amended, modified or supplemented from time to time. 
 “Permitted
Business” means either (1) gathering, transporting, treating, processing, fractionating, marketing, distributing, storing or otherwise handling Hydrocarbons, or activities or services reasonably related or ancillary thereto
including entering into Hedging Obligations to support these businesses, or (2) any other business that generates gross income that constitutes “qualifying income” under Section 7704(d) of the Internal Revenue Code of 1986, as
amended. 
 “Permitted Business Investments” means Investments by Targa Resources Partners or any of its Restricted
Subsidiaries in any Unrestricted Subsidiary of Targa Resources Partners or in any Joint Venture, provided that: 
 (1)
either (a) at the time of such Investment and immediately thereafter, Targa Resources Partners could incur $1.00 of additional Indebtedness under the Fixed Charge Coverage Ratio test set forth in Section 4.09(a) hereof or (b) such
Investment does not exceed the aggregate amount of Incremental Funds (as defined in Section 4.07 hereof) not previously expended at the time of making such Investment; 

(2) if such Unrestricted Subsidiary or Joint Venture has outstanding Indebtedness at the time of such Investment, either
(a) all such Indebtedness is Non-Recourse Debt or (b) any such Indebtedness of such Unrestricted Subsidiary or Joint Venture that is recourse to Targa Resources Partners or any of its Restricted
Subsidiaries (which shall include all Indebtedness of such Unrestricted Subsidiary or Joint Venture for which Targa Resources Partners or any of its Restricted Subsidiaries may be directly or indirectly, contingently or otherwise, obligated to pay,
whether pursuant to the terms of such Indebtedness, by law or pursuant to any guarantee, including any “claw-back,” “make-well” or “keep-well” arrangement) could, at the time such Investment is made, be incurred at that
time by Targa Resources Partners and its Restricted Subsidiaries under the Fixed Charge Coverage Ratio test set forth in Section 4.09(a) hereof; and 

(3) such Unrestricted Subsidiary’s or Joint Venture’s activities are not outside the scope of the Permitted Business.

 “Permitted Investments” means: 

(1) any Investment in Targa Resources Partners or in a Restricted Subsidiary of Targa Resources Partners (including through
purchases of the Notes or other Senior Indebtedness); 
 (2) any Investment in Cash Equivalents; 

  
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 (3) any Investment by Targa Resources Partners or any Restricted Subsidiary
of Targa Resources Partners in a Person, if as a result of such Investment: 
 (a) such Person becomes a Restricted
Subsidiary of Targa Resources Partners; or 
 (b) such Person is merged, consolidated or amalgamated with or into, or
transfers or conveys substantially all of its properties or assets to, or is liquidated into, Targa Resources Partners or a Restricted Subsidiary of Targa Resources Partners; 

(4) any Investment made as a result of the receipt of non-cash consideration: 

(a) from an Asset Sale that was made pursuant to and in compliance with Section 4.10 hereof; or 

(b) pursuant to clause (7) of the items deemed not to be Asset Sales under the definition of “Asset Sale”; 

(5) any Investment in any Person solely in exchange for the issuance of Equity Interests (other than Disqualified Equity) of
Targa Resources Partners; 
 (6) any Investments received in compromise or resolution of (A) obligations of trade
creditors or customers that were incurred in the ordinary course of business of Targa Resources Partners or any of its Restricted Subsidiaries, including pursuant to any plan of reorganization or similar arrangement upon the bankruptcy or insolvency
of any trade creditor or customer, or as a result of a foreclosure by Targa Resources Partners or any of its Restricted Subsidiaries with respect to any secured Investment in default; or (B) litigation, arbitration or other disputes with
Persons who are not Affiliates; 
 (7) Investments represented by Hedging Obligations permitted to be incurred; 

(8) loans or advances to employees of Targa Resources Partners or any of its Affiliates made in the ordinary course of business
of Targa Resources Partners or any Restricted Subsidiary of Targa Resources Partners in an aggregate principal amount not to exceed $2.5 million at any one time outstanding; 

(9) any Investments in prepaid expenses, negotiable instruments held for collection and lease, utility, workers’
compensation and performance and other similar deposits and prepaid expenses made in the ordinary course of business; 
 (10)
Investments arising as a result of any Permitted Receivables Financing; 
 (11) Guarantees of Indebtedness of Targa and its
Subsidiaries (other than Unrestricted Subsidiaries of Targa Resources Partners) permitted under Section 4.09 and performance guarantees (not in respect of Indebtedness) in the ordinary course of business; 

  
 22 












 (12) Permitted Business Investments; and 

(13) other Investments in any Person having an aggregate Fair Market Value (measured on the date each such Investment was made
and without giving effect to subsequent changes in value), when taken together with all other Investments made pursuant to this clause (13) that are at the time outstanding not to exceed the greater of (a) $100.0 million and (b) 5.0% of
Targa Resources Partners’ Consolidated Net Tangible Assets; provided, however, that if any Investment pursuant to this clause (13) is made in any Person that is not a Restricted Subsidiary at the date of the making of such Investment and
such Person becomes a Restricted Subsidiary after such date, such Investment shall thereafter be deemed to have been made pursuant to clause (1) of this definition and shall cease to have been made pursuant to this clause (13) for so long
as such Persons continues to be a Restricted Subsidiary. 
 “Permitted Liens” means: 

(1) Liens securing any Indebtedness under any of the Credit Facilities and all Obligations and Hedging Obligations relating to
such Indebtedness; 
 (2) Liens in favor of Targa Resources Partners or the Guarantors; 

(3) Liens on property of a Person existing at the time such Person is merged with or into or consolidated with Targa Resources
Partners or any Subsidiary of Targa Resources Partners; provided that such Liens were in existence prior to such merger or consolidation and do not extend to any assets other than those of the Person merged with or into or consolidated with
Targa Resources Partners or the Subsidiary; 
 (4) Liens on property existing at the time of acquisition of the property by
Targa Resources Partners or any Restricted Subsidiary of Targa Resources Partners; provided that such Liens were in existence prior to, such acquisition, and not incurred in contemplation of, such acquisition; 

(5) Liens to secure the performance of statutory obligations, surety or appeal bonds, performance bonds or other obligations of
a like nature incurred in the ordinary course of business; 
 (6) Liens to secure Indebtedness (including Capital Lease
Obligations) permitted by clause (4) of Section 4.09(b) hereof covering only the assets acquired with or financed by such Indebtedness; 

(7) Liens existing on the date of this Indenture (other than Liens securing the Credit Facilities); 

(8) Liens created for the benefit of (or to secure) the Notes (or the Note Guarantees); 

  
 23 












 (9) Liens on any property or asset acquired, constructed or improved by
Targa Resources Partners or any of its Restricted Subsidiaries, which (a) are in favor of the seller of such property or asset, in favor of the Person developing, constructing, repairing or improving such property or asset, or in favor of the
Person that provided the funding for the acquisition, development, construction, repair or improvement cost, as the case may be, of such property or asset, (b) are created within 360 days after the acquisition, development, construction, repair
or improvement, (c) secure the purchase price or development, construction, repair or improvement cost, as the case may be, of such property or asset in an amount up to 100% of the Fair Market Value of such acquisition, construction or
improvement of such asset or property, and (d) are limited to the asset or property so acquired, constructed or improved (including the proceeds thereof, accessions thereto and upgrades thereof); 

(10) Liens on and pledges of the Equity Interests of any Unrestricted Subsidiary or any Joint Venture owned by Targa Resources
Partners or any Restricted Subsidiary of Targa Resources Partners to the extent securing Non-Recourse Debt or other Indebtedness of such Unrestricted Subsidiary or Joint Venture; 

(11) Liens in favor of collecting or payor banks having a right of setoff, revocation, refund or chargeback with respect to
money or instruments of Targa Resources Partners or any of its Restricted Subsidiaries on deposit with or in possession of such bank; 

(12) Liens to secure performance of Hedging Obligations of Targa Resources Partners or any of its Restricted Subsidiaries; 

(13) Liens arising under construction contracts, interconnection agreements, operating agreements, joint venture agreements,
partnership agreements, oil and gas leases, farmout agreements, division orders, contracts for purchase, gathering, processing, fractionating, sale, transportation or exchange of crude oil, natural gas liquids, condensate and natural gas, natural
gas storage agreements, unitization and pooling declarations and agreements, area of mutual interest agreements, real property leases and other agreements arising in the ordinary course of business of Targa Resources Partners and its Restricted
Subsidiaries that are customary in the Permitted Business; 
 (14) Liens upon specific items of inventory, receivables or
other goods or proceeds of Targa Resources Partners or any of its Restricted Subsidiaries securing such Person’s obligations in respect of bankers’ acceptances or receivables securitizations issued or created for the account of such Person
to facilitate the purchase, shipment or storage of such inventory, receivables or other goods or proceeds and permitted by Section 4.09; 

(15) Liens securing (a) any defeasance trust, provided that such Liens do not extend to any assets or properties that are
not part of such defeasance trust, or (b) any Indebtedness equally and ratably with all Obligations due under the Notes or any Note Guarantee pursuant to a contractual covenant that limits Liens in a manner substantially similar to
Section 4.12; 

  
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 (16) any interest or title of a lessor to any property subject to a Capital
Lease Obligation; 
 (17) Liens arising in connection with a Permitted Receivables Financing; 

(18) Liens incurred in the ordinary course of business of Targa Resources Partners or any Restricted Subsidiary of Targa
Resources Partners; provided, however, that, after giving effect to any such incurrence, the aggregate principal amount of all Indebtedness then outstanding and secured by any Liens pursuant to this clause (18) does not exceed the
greater of (a) $100.0 million and (b) 5.0% of Targa Resources Partners’ Consolidated Net Tangible Assets at such time; and 

(19) any Lien renewing, extending, refinancing or refunding a Lien permitted by clauses (1) through (18) above;
provided that (a) the principal amount of Indebtedness secured by such Lien does not exceed the principal amount of such Indebtedness outstanding immediately prior to the renewal, extension, refinance or refund of such Lien, plus all
accrued interest on the Indebtedness secured thereby and the amount of all fees, expenses and premiums incurred in connection therewith, and (b) no assets encumbered by any such Lien other than the assets permitted to be encumbered immediately
prior to such renewal, extension, refinance or refund are encumbered thereby. 
 “Permitted Receivables Financing”
means any receivables financing facility or arrangement pursuant to which a Securitization Subsidiary purchases or otherwise acquires Receivables and related assets of Targa Resources Partners or any Restricted Subsidiary and enters into a third
party financing or sale thereof on terms that the Board of Directors of the General Partner has approved. 
 “Permitted
Refinancing Indebtedness” means any Indebtedness of Targa Resources Partners or any of its Restricted Subsidiaries issued in exchange for, or the net proceeds of which are used to renew, refund, refinance, replace, defease or discharge
other Indebtedness of Targa Resources Partners or any of its Restricted Subsidiaries (other than intercompany Indebtedness); provided that: 

(1) the principal amount of such Permitted Refinancing Indebtedness does not exceed the principal amount of the Indebtedness
renewed, refunded, refinanced, replaced, defeased or discharged (plus all accrued interest on the Indebtedness and the amount of all fees and expenses, including premiums, incurred in connection therewith); 

(2) such Permitted Refinancing Indebtedness has a final maturity date no earlier than the final maturity date of, and has a
Weighted Average Life to Maturity equal to or greater than the Weighted Average Life to Maturity of, the Indebtedness being renewed, refunded, refinanced, replaced, defeased or discharged; 

(3) if the Indebtedness being renewed, refunded, refinanced, replaced, defeased or discharged is subordinated in right of
payment to the Notes or the Note Guarantees, such Permitted Refinancing Indebtedness is subordinated in right of payment to the Notes or the Note Guarantees, on terms at least as favorable to the Holders of Notes as those contained in the
documentation governing the Indebtedness being renewed, refunded, refinanced, replaced, defeased or discharged; and 

  
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 (4) such Indebtedness is not incurred by a Restricted Subsidiary of Targa
Resources Partners (other than Finance Corp. or any Guarantor) if Targa Resources Partners or any Guarantor is the obligor on the Indebtedness being renewed, refunded, refinanced, replaced, defeased or discharged. 

For the avoidance of doubt, any Indebtedness incurred under Credit Facilities pursuant to Section 4.09 shall be subject only to the
refinancing provision in the definition of Credit Facilities and not pursuant to the requirements set forth in this definition of Permitted Refinancing Indebtedness. 

“Person” means any individual, corporation, partnership, joint venture, association, joint-stock company, trust,
unincorporated organization, limited liability company or government or other entity. 
 “Private Exchange” has the
meaning set forth in the applicable Registration Rights Agreement. 
 “Private Exchange Notes” means the Notes
issued in a Private Exchange pursuant to Section 2.06(f) hereof. 
 “Private Placement Legend” means the legend
set forth in Section 2.06(g)(1)(A) hereof to be placed on all Notes issued under this Indenture except where otherwise permitted by the provisions of this Indenture. 

“QIB” means a “qualified institutional buyer” as defined in Rule 144A. 

“Rating Agencies” means Moody’s and S&P or if Moody’s or S&P or both shall not make a rating of the
Notes publicly available, a nationally recognized statistical rating agency or agencies, as the case may be, selected by the General Partner, which shall be substituted for Moody’s or S&P or both, as the case may be. 

“Ratings Decline Period” means the period that (i) begins on the occurrence of a Change of Control and
(ii) ends 60 days following consummation of such Change of Control. 
 “Receivables” means accounts receivable
(including all rights to payment created by or arising from the sale of goods, leases of goods or the rendition of services, no matter how evidenced (including in the form of a chattel paper). 

“Registration Rights Agreement” means (i) with respect to the Initial Notes, the Registration Rights Agreement,
dated as of November 27, 2019, among the Issuers, the Guarantors and the Initial Purchasers, and (ii) with respect to any Additional Notes, the comparable agreement, in each case as such agreement may be amended, modified or supplemented
from time to time. 
 “Regulation S” means Regulation S promulgated under the Securities Act. 

  
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 “Regulation S Global Note” means a Global Note substantially in the
form of Exhibit A hereto bearing the Global Note Legend, the Private Placement Legend and OID Legend, if applicable, deposited with the Custodian and registered in the name of the Depositary or its nominee, and issued in a denomination equal to the
outstanding principal amount of the Notes sold or issued in reliance on Rule 903 of Regulation S. 
 “Reporting
Default” means a Default described in clause (4) under Section 6.01. 
 “Responsible Officer”
when used with respect to the Trustee, means any officer within the Corporate Trust Administration of the Trustee (or any successor group of the Trustee) or any other officer of the Trustee customarily performing functions similar to those performed
by any of the above designated officers and also means, with respect to a particular corporate trust matter, any other officer to whom such matter is referred because of his knowledge of and familiarity with the particular subject. 

“Restricted Definitive Note” means a Definitive Note that is a Restricted Note. 

“Restricted Global Note” means a Global Note that is a Restricted Note. 

“Restricted Investment” means an Investment other than a Permitted Investment. 

“Restricted Note” has the meaning set forth in Rule 144(a)(3) under the Securities Act for the term “restricted
securities”; provided, however, that the Trustee shall be entitled to request and conclusively rely upon an Opinion of Outside Counsel with respect to whether any Note is a Restricted Note. Restricted Notes are required to bear
the Private Placement Legend. 
 “Restricted Period” means the 40-day
distribution compliance period as defined in Regulation S. 
 “Restricted Subsidiary” of a Person means any
Subsidiary of the specified Person that is not an Unrestricted Subsidiary. Notwithstanding anything in this Indenture to the contrary, Finance Corp. shall be a Restricted Subsidiary of Targa Resources Partners. 

“Rule 144” means Rule 144 promulgated under the Securities Act. 

“Rule 144A” means Rule 144A promulgated under the Securities Act. 

“Rule 903” means Rule 903 promulgated under the Securities Act. 

“Rule 904” means Rule 904 promulgated under the Securities Act. 

“S&P” means S&P Global Ratings, a division of S&P Global Inc., or any successor to the rating agency
business thereof. 
 “SEC” means the Securities and Exchange Commission. 

“Securities Act” means the Securities Act of 1933, as amended. 

  
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 “Securitization Subsidiary” means Targa Receivables LLC and any
other Unrestricted Subsidiary of Targa Resources Partners that 
 (1) is designated a “Securitization Subsidiary”
by Targa Resources Partners and 
 (2) does not engage in any activities other than Permitted Receivables Financings and any
activity necessary, incidental or related thereto. 
 “Senior Indebtedness” means with respect to any Person,
Indebtedness of such Person, unless the instrument creating or evidencing such Indebtedness provides that such Indebtedness is subordinate in right of payment to the Notes or the Note Guarantee of such Person, as the case may be. 

“Shelf Registration Statement” means a registration statement effecting a Shelf Registration as defined in the initial
Registration Rights Agreement. 
 “Significant Subsidiary” means any Subsidiary that would be a “significant
subsidiary” as defined in Article 1, Rule 1-02 of Regulation S-X, promulgated pursuant to the Securities Act, as such Regulation is in effect on the date of this
Indenture. 
 “Stated Maturity” means, with respect to any installment of interest or principal on any series of
Indebtedness, the date on which the payment of interest or principal was scheduled to be paid in the original documentation governing such Indebtedness, and will not include any contingent obligations to repay, redeem or repurchase any such interest
or principal prior to the date originally scheduled for the payment thereof. 
 “Subsidiary” means, with respect to
any specified Person: 
 (1) any corporation, association or other business entity (other than a partnership or limited
liability company) of which more than 50% of the total voting power of the Voting Stock is at the time owned or controlled, directly or indirectly, by that Person or one or more of the other Subsidiaries of that Person (or a combination thereof);
and 
 (2) any partnership (whether general or limited) or limited liability company (a) the sole general partner or
member of which is such Person or a Subsidiary of such Person, or (b) if there is more than a single general partner or member, either (x) the only managing general partners or managing members of which are such Person or one or more
Subsidiaries of such Person (or any combination thereof) or (y) such Person owns or controls, directly or indirectly, a majority of the outstanding general partner interests, member interests or other Voting Stock of such partnership or limited
liability company, respectively. 
 “Targa” means Targa Resources Corp., a Delaware corporation. 

“Targa Resources Partners” has the meaning given to it in the preamble of this Indenture and includes any successor
thereof. 

  
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 “TIA” means the Trust Indenture Act of 1939, as amended (15 U.S.C.
§§ 77aaa-77bbbb). 
 “Treasury Rate” means, with respect to any Redemption Date, the yield to maturity at
the time of computation of United States Treasury securities with a constant maturity (as compiled and published in the most recent Federal Reserve Statistical Release H.15 that has become publicly available at least two Business Days prior to such
time (or, if such Statistical Release is no longer published, any publicly available source of similar market data)) most nearly equal to the period from the Redemption Date to March 1, 2025; provided, however, that if such period
is not equal to the constant maturity of a United States Treasury security for which a weekly average yield is given, Targa Resources Partners shall obtain the Treasury Rate by linear interpolation (calculated to the nearest one twelfth of a year)
from the weekly average yields of United States Treasury securities for which such yields are given, except that if the period from the Redemption Date to March 1, 2025 is less than one year, the weekly average yield on actually traded United
States Treasury securities adjusted to a constant maturity of one year will be used. Targa Resources Partners will (a) calculate the Treasury Rate no later than the second Business Day (and no earlier than the fourth Business Day) preceding the
applicable Redemption Date (or, in the case of any redemption in connection with a defeasance of the Notes or a satisfaction and discharge of this Indenture, on the Business Day preceding such event) and (b) prior to such Redemption Date file
with the Trustee a statement setting forth the Applicable Premium and the Treasury Rate and showing the calculation of each in reasonable detail. 

“Trustee” means U.S. Bank National Association, until a successor replaces it in accordance with the applicable
provisions of this Indenture and thereafter means the successor serving hereunder. 
 “Unrestricted Definitive Note”
means a Definitive Note that is an Unrestricted Note. 
 “Unrestricted Global Note” means a Global Note that is an
Unrestricted Note. 
 “Unrestricted Notes” means one or more Notes that do not and are not required to bear the
Private Placement Legend including, without limitation, the Exchange Notes, any Notes sold in connection with an effective Shelf Registration Statement pursuant to the applicable Registration Rights Agreement, any Notes from which the Private
Placement Legend has been removed in accordance with Section 2.06(g) and, with respect to Unrestricted Global Notes, Notes in which a Holder acquires an interest pursuant to Section 2.06(j). 

“Unrestricted Subsidiary” means any of (i) Cedar Bayou Fractionators, L.P., Centrahoma Processing LLC, DEVCO
Holdings LLC, Downstream Energy Ventures Co., L.L.C., Floridian Natural Gas Storage Company, LLC, Grand Prix Pipeline LLC, Sajet Development LLC, Sajet Properties LLC, Sajet Resources LLC, Setting Sun Pipeline Corporation, Targa Badlands LLC, Targa
Badlands Holdings LLC, Targa Holding LLC, Targa Midland Gas Pipeline LLC, Targa Pipeline Mid-Continent WestOk LLC, Targa Pipeline Mid-Continent WestTex LLC, Targa
Receivables LLC, Targa Train 7 LLC, Tesla Resources LLC, T2 LaSalle Gathering Company LLC, T2 LaSalle Gas Utility LLC and Venice Energy Services Company, L.L.C. and (ii) any Subsidiary of Targa Resources Partners (other than Finance Corp. or
any successor to it) that is designated by the Board of Directors of the General Partner as an Unrestricted Subsidiary pursuant to a resolution of the Board of Directors, but only to the extent that such Subsidiary: 

  
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 (1) except to the extent permitted by subclause (2)(b) of the definition of
“Permitted Business Investments,” has no Indebtedness other than Non-Recourse Debt; 

(2) except as permitted under Section 4.11 hereof, is not party to any agreement, contract, arrangement or understanding
with Targa Resources Partners or any Restricted Subsidiary of Targa Resources Partners unless the terms of any such agreement, contract, arrangement or understanding are no less favorable to Targa Resources Partners or such Restricted Subsidiary
than those that might be obtained at the time from Persons who are not Affiliates of Targa Resources Partners; and 
 (3) has
not guaranteed or otherwise directly or indirectly provided credit support for any Indebtedness of Targa Resources Partners or any of its Restricted Subsidiaries. 

All Subsidiaries of an Unrestricted Subsidiary shall be also Unrestricted Subsidiaries. 

“U.S. Person” means a U.S. Person as defined in Rule 902(k) promulgated
under the Securities Act. 
 “Voting Stock” of any specified Person as of any date means the Capital Stock of such
Person that is at the time entitled (without regard to the occurrence of any contingency) to vote in the election of the Board of Directors of such Person. 

“Weighted Average Life to Maturity” means, when applied to any Indebtedness at any date, the number of years obtained
by dividing: 
 (1) the sum of the products obtained by multiplying (a) the amount of each then remaining installment,
sinking fund, serial maturity or other required payments of principal, including payment at final maturity, in respect of the Indebtedness, by (b) the number of years (calculated to the nearest
one-twelfth) that will elapse between such date and the making of such payment; by 

(2) the then outstanding principal amount of such Indebtedness. 

Section 1.02 Other Definitions. 
  

					
	 Term
	  	Defined in
Section	 
	 “act”
	  	 	12.15	 
	 “Affiliate Transaction”
	  	 	4.11	 
	 “Asset Sale Offer”
	  	 	3.09	 
	 “Authentication Order”
	  	 	2.02	 


  
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	 Term
	  	Defined in
Section	 
	 “Change of Control Offer”
	  	 	4.15	 
	 “Change of Control Payment”
	  	 	4.15	 
	 “Change of Control Payment Date”
	  	 	4.15	 
	 “Covenant Defeasance”
	  	 	8.03	 
	 “DTC”
	  	 	2.03	 
	 “Event of Default”
	  	 	6.01	 
	 “Excess Proceeds”
	  	 	4.10	 
	 “Incremental Funds”
	  	 	4.07	 
	 “incur”
	  	 	4.09	 
	 “Legal Defeasance”
	  	 	8.02	 
	 “Offer Amount”
	  	 	3.09	 
	 “Offer Period”
	  	 	3.09	 
	 “Paying Agent”
	  	 	2.03	 
	 “Permitted Debt”
	  	 	4.09	 
	 “Payment Default”
	  	 	6.01	 
	 “Purchase Date”
	  	 	3.09	 
	 “Redemption Date”
	  	 	3.07	 
	 “Registrar”
	  	 	2.03	 
	 “Restricted Payments”
	  	 	4.07	 
	 “Resale Restriction Termination Date”
	  	 	2.06	 

 Section 1.03 Incorporation by Reference of Trust Indenture Act. 

Whenever this Indenture refers to a provision of the TIA, the provision is incorporated by reference in and made a part of this Indenture.

 The following TIA terms used in this Indenture have the following meanings: 

“indenture securities” means the Notes and the Note Guarantees; 

“indenture security holder” means a Holder of a Note; 

“indenture to be qualified” means this Indenture; 

“indenture trustee” or “institutional trustee” means the Trustee; and 

“obligor” on the Notes and the Note Guarantees means the Issuers and the Guarantors, respectively, and any successor
obligor upon the Notes and the Note Guarantees, respectively. 
 All other terms used in this Indenture that are defined by the TIA, defined
by TIA reference to another statute or defined by SEC rule under the TIA have the meanings so assigned to them. 

  
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 Section 1.04 Rules of Construction. 

Unless the context otherwise requires: 

(1) a term has the meaning assigned to it; 

(2) an accounting term not otherwise defined has the meaning assigned to it in accordance with GAAP; 

(3) “or” is not exclusive; 

(4) words in the singular include the plural, and in the plural include the singular; 

(5) both “shall” and “will” shall be interpreted to express a command, and no
distinction of meaning is intended between these two words; 
 (6) provisions apply to successive events and transactions;
and 
 (7) references to sections of or rules under the Securities Act or Exchange Act will be deemed to include substitute,
replacement of successor sections or rules adopted by the SEC from time to time. 
 ARTICLE 2 

THE NOTES 
 Section 2.01 Form and
Dating. 
 (a) General. The Notes and the Trustee’s certificate of authentication will be substantially in the form of
Exhibit A hereto. The Notes may have notations, legends or endorsements required by law, stock exchange rule or usage. Each Note will be dated the date of its authentication. The Notes shall be in minimum denominations of $2,000 and integral
multiples of $1,000 in excess thereof. 
 The terms and provisions contained in the Notes will constitute, and are hereby expressly made, a
part of this Indenture and the Issuers, the Guarantor and the Trustee, by their execution and delivery of this Indenture, expressly agree to such terms and provisions and to be bound thereby. However, to the extent any provision of any Note
conflicts with the express provisions of this Indenture, the provisions of this Indenture shall govern and be controlling. 
 (b) Global
Notes. Notes offered and sold in reliance on Rule 144A shall be issued initially in the form of one or more Rule 144A Global Notes, and any Notes offered and sold in reliance on Regulation S shall be issued initially in the form of one or more
Regulation S Global Notes. Notes in global form will be substantially in the form of Exhibit A hereto (including the Global Note Legend thereon and the “Schedule of Exchanges of Interests in the Global Note” attached thereto). Each Global
Note will represent such of the outstanding Notes as will be specified therein and each shall provide that it represents the aggregate principal 

  
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amount of outstanding Notes from time to time endorsed thereon and that the aggregate principal amount of outstanding Notes represented thereby may from time to time be reduced or increased, as
appropriate, to reflect exchanges and redemptions. Any endorsement of a Global Note to reflect the amount of any increase or decrease in the aggregate principal amount of outstanding Notes represented thereby will be made by the Trustee or the
Custodian, at the direction of the Trustee, in accordance with instructions given by the Holder thereof as required by Section 2.06 hereof. 

(c) Definitive Notes. Notes initially issued to or transferred to affiliates (as defined in Rule 144) of the Issuers shall only be
issued in definitive form. All Definitive Notes will be substantially in the form of Exhibit A hereto (but without the Global Note Legend thereon and without the “Schedule of Exchanges of Interests in the Global Note” attached thereto).
Unless and until exchanged for an Exchange Note or sold in connection with an effective Shelf Registration Statement pursuant to the applicable Registration Rights Agreement, affiliates of the Issuers may hold an interest in Notes only in the form
of Definitive Notes and are prohibited from taking a beneficial interest in one or more Global Notes. Notwithstanding any other provision of this Article 2, any issuance of Definitive Notes shall be at the Issuers’ discretion, except in the
circumstances set forth in this Section 2.01(c) and in Section 2.06. 
 Section 2.02 Execution and Authentication. 

At least one Officer must sign the Notes for each of the Issuers by manual or facsimile signature. 

If an Officer whose signature is on a Note no longer holds that office at the time a Note is authenticated, the Note will nevertheless be
valid. 
 A Note will not be valid until authenticated by the manual signature of the Trustee. The signature will be conclusive evidence
that the Note has been authenticated under this Indenture. 
 The Trustee will, upon receipt of a written order of the Issuers signed by two
Officers of each Issuer (an “Authentication Order”), authenticate Notes for original issue that may be validly issued under this Indenture, including any Additional Notes, Exchange Notes and Private Exchange Notes. The
aggregate principal amount of Notes outstanding at any time may not exceed the aggregate principal amount of Notes authorized for issuance by the Issuers pursuant to one or more Authentication Orders, except as provided in Section 2.07 hereof.

 The Trustee may appoint an authenticating agent acceptable to the Issuers to authenticate Notes. An authenticating agent may authenticate
Notes whenever the Trustee may do so. Each reference in this Indenture to authentication by the Trustee includes authentication by such agent. An authenticating agent has the same rights as an Agent to deal with Holders or an Affiliate of the
Issuers. 

  
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 Section 2.03 Registrar and Paying Agent. 

The Issuers will maintain an office or agency where Notes may be presented for registration of transfer or for exchange
(“Registrar”) and an office or agency in New York, New York where Notes may be presented for payment (“Paying Agent”). The Registrar will keep a register of the Notes and of their transfer and
exchange. The Issuers may appoint one or more co-registrars and one or more additional paying agents. The term “Registrar” includes any co-registrar and the
term “Paying Agent” includes any additional paying agent. The Issuers may change any Paying Agent or Registrar without notice to any Holder. The Issuers will notify the Trustee in writing of the name and address of any Agent not a party to
this Indenture. If the Issuers fail to appoint or maintain another entity as Registrar or Paying Agent, the Trustee shall act as such. Targa Resources Partners, Finance Corp. or any of Targa Resources Partners’ other Subsidiaries may act as
Paying Agent or Registrar. 
 The Issuers initially appoint The Depository Trust Company (“DTC”) to act as
Depositary with respect to the Global Notes. 
 The Issuers initially appoint the Trustee to act as the Registrar and Paying Agent at the
Corporate Trust Office of the Trustee and to act as Custodian with respect to the Global Notes. 
 Section 2.04 Paying Agent to Hold Money in
Trust. 
 The Issuers will require each Paying Agent other than the Trustee to agree in writing that the Paying Agent will hold in trust
for the benefit of Holders or the Trustee all money held by the Paying Agent for the payment of principal, premium or Liquidated Damages, if any, or interest on the Notes, and will notify the Trustee of any default by the Issuers in making any such
payment. While any such default continues, the Trustee may require a Paying Agent to pay all money held by it to the Trustee, the Issuers at any time may require a Paying Agent to pay all money held by it to the Trustee. Upon payment over to the
Trustee, the Paying Agent (if other than Targa Resources Partners or a Subsidiary) will have no further liability for the money. If Targa Resources Partners or a Subsidiary acts as Paying Agent, it will segregate and hold in a separate trust fund
for the benefit of the Holders all money held by it as Paying Agent. Upon any bankruptcy or reorganization proceedings relating to Targa Resources Partners, the Trustee will serve as Paying Agent for the Notes. 

Section 2.05 Holder Lists. 
 The
Trustee will preserve in as current a form as is reasonably practicable the most recent list available to it of the names and addresses of all Holders and shall otherwise comply with TIA § 312(a). If the Trustee is not the Registrar, the
Issuers will furnish to the Trustee at least seven Business Days before each interest payment date and at such other times as the Trustee may request in writing, a list in such form and as of such date as the Trustee may reasonably require of the
names and addresses of the Holders of Notes and the Issuers shall otherwise comply with TIA § 312(a). 
 Section 2.06 Transfer and
Exchange. 
 (a) Transfer and Exchange of Global Notes. A Global Note may not be transferred except as a whole by the Depositary
to a nominee of the Depositary, by a nominee of the Depositary to the Depositary or to another nominee of the Depositary, or by the Depositary or any such nominee to a successor Depositary or a nominee of such successor Depositary. All Global Notes
will be exchanged by the Issuers for Definitive Notes in minimum denominations of $2,000 and integral multiples of $1,000 in excess thereof if: 

  
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 (1) the Issuers deliver to the Trustee notice from the Depositary that it is
unwilling or unable to continue to act as Depositary or that it is no longer a clearing agency registered under the Exchange Act and, in either case, a successor Depositary is not appointed by the Issuers within 90 days after the date of such notice
from the Depositary; 
 (2) the Issuers, at their option but subject to the requirements of the Depositary, notify the
Trustee in writing that they elect to cause the issuance of Definitive Notes; or 
 (3) there has occurred and is continuing
an Event of Default and the Depositary notifies the Trustee of its decision to exchange the Global Notes for Definitive Notes. 
 Upon the
occurrence of any of the preceding events in (1), (2) or (3) above, Definitive Notes shall be issued in such names as the Depositary shall instruct the Trustee. Global Notes also may be exchanged or replaced, in whole or in part, as provided in
Sections 2.07 and 2.10 hereof. Every Note authenticated and delivered in exchange for, or in lieu of, a Global Note or any portion thereof, pursuant to this Section 2.06 or Sections 2.07 or 2.10 hereof, shall be authenticated and delivered in
the form of, and shall be, a Global Note. A Global Note may not be exchanged for another Note other than as provided in this Section 2.06(a); however, beneficial interests in a Global Note may be transferred and exchanged as provided in
Section 2.06(b), (c) or (f) hereof. 
 (b) Transfer and Exchange of Beneficial Interests in the Global Notes. The transfer
and exchange of beneficial interests in the Global Notes will be effected through the Depositary, in accordance with the provisions of this Indenture and the Applicable Procedures. Beneficial interests in the Restricted Global Notes will be subject
to restrictions on transfer comparable to those set forth herein to the extent required by the Securities Act. Transfers of beneficial interests in the Global Notes also will require compliance with either subparagraph (1) or (2) below, as
applicable, as well as one or more of the other following subparagraphs of this Section 2.06, as applicable: 
 (1)
Transfer of Beneficial Interests in the Same Global Note. Beneficial interests in any Restricted Global Note may be transferred to Persons who take delivery thereof in the form of a beneficial interest in the same Restricted Global Note in
accordance with the transfer restrictions set forth in the Private Placement Legend. Beneficial interests in any Unrestricted Global Note may be transferred to Persons who take delivery thereof in the form of a beneficial interest in an Unrestricted
Global Note. No written orders or instructions shall be required to be delivered to the Registrar to effect the transfers described in this Section 2.06(b)(1). 

(2) All Other Transfers and Exchanges of Beneficial Interests in Global Notes. In connection with all transfers and
exchanges of beneficial interests that are not subject to Section 2.06(b)(1) above, the transferor of such beneficial interest must deliver to the Registrar either: 

  
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 (A) both: 

(i) a written order from a participant or an indirect participant in the Depositary given to the Depositary in accordance with
the Applicable Procedures directing the Depositary to credit or cause to be credited a beneficial interest in another Global Note in an amount equal to the beneficial interest to be transferred or exchanged; and 

(ii) instructions given in accordance with the Applicable Procedures containing information regarding the participant account
to be credited with such increase; or 
 (B) both: 

(i) a written order from a participant or an indirect participant in the Depositary given to the Depositary in accordance with
the Applicable Procedures directing the Depositary to cause to be issued a Definitive Note in an amount equal to the beneficial interest to be transferred or exchanged; and 

(ii) instructions given by the Depositary to the Registrar containing information regarding the Person in whose name such
Definitive Note shall be registered to effect the transfer or exchange referred to in (i) above. 
 Upon consummation of an Exchange Offer, if any, by
the Issuers in accordance with Section 2.06(f) hereof, the requirements of this Section 2.06(b)(2) shall be deemed to have been satisfied upon receipt by the Registrar of the instructions contained in the Letter of Transmittal delivered by
the Holder of such beneficial interests in the Restricted Global Notes. Upon satisfaction of all of the requirements for transfer or exchange of beneficial interests in Global Notes contained in this Indenture and the Notes or otherwise applicable
under the Securities Act, the Trustee shall adjust the principal amount of the relevant Global Note(s) pursuant to Section 2.06(h) hereof. 

(3) Transfer of Beneficial Interests to Another Restricted Global Note. A beneficial interest in any Restricted Global
Note may be transferred to a Person who takes delivery thereof in the form of a beneficial interest in another Restricted Global Note if the transfer complies with the requirements of Section 2.06(b)(2) above and the Registrar receives the
following: 
 (A) if the transferee will take delivery in the form of a beneficial interest in the 144A Global Note, then the
transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications in item (1) thereof; 

  
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 (B) if the transferee will take delivery in the form of a beneficial
interest in the Regulation S Global Note, then the transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications in item (2) thereof, and if such transfer occurs prior to the expiration of the Restricted
Period, then the transferee must hold such beneficial interest through either Clearstream or Euroclear (as indirect participants in the Depositary). 

(4) Transfer and Exchange of Beneficial Interests in a Restricted Global Note for Beneficial Interests in an Unrestricted
Global Note. A beneficial interest in any Restricted Global Note may be exchanged by any holder thereof for a beneficial interest in an Unrestricted Global Note or transferred to a Person who takes delivery thereof in the form of a beneficial
interest in an Unrestricted Global Note if the exchange or transfer complies with the requirements of Section 2.06(b)(2) above and: 

(A) such exchange or transfer is effected pursuant to an Exchange Offer in accordance with the related Registration Rights
Agreement and the holder of the beneficial interest to be transferred, in the case of an exchange, or the transferee, in the case of a transfer, certifies in the applicable Letter of Transmittal (or via the Depositary’s book-entry system) that
it is not (i) a Broker-Dealer, (ii) a Person participating in the distribution of the Exchange Notes or (iii) a Person who is an affiliate (as defined in Rule 144) of the Issuers; 

(B) such transfer is effected pursuant to a Shelf Registration Statement in accordance with the related Registration Rights
Agreement; 
 (C) such transfer is effected by a Broker-Dealer pursuant to an Exchange Offer Registration Statement in
accordance with the related Registration Rights Agreement; or 
 (D) the Registrar receives the following: 

(i) if the holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for a
beneficial interest in an Unrestricted Global Note, a certificate from such holder in the form of Exhibit C hereto, including the certifications in item (1)(a) thereof; or 

(ii) if the holder of such beneficial interest in a Restricted Global Note proposes to transfer such beneficial interest to a
Person who shall take delivery thereof in the form of a beneficial interest in an Unrestricted Global Note, a certificate from such holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

and, in each such case set forth in this subparagraph (D), if the Registrar so requests or if the Applicable Procedures so require, an Opinion of Outside
Counsel in form reasonably acceptable to the Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend are no longer
required in order to maintain compliance with the Securities Act. 

  
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 If any such transfer is effected pursuant to subparagraph (B) or (D) above at a time
when an Unrestricted Global Note has not yet been issued, the Issuers shall issue and, upon receipt of an Authentication Order in accordance with Section 2.02, the Trustee shall authenticate one or more Unrestricted Global Notes in an aggregate
principal amount equal to the aggregate principal amount of beneficial interests transferred pursuant to subparagraph (B) or (D) above. 

Beneficial interests in an Unrestricted Global Note cannot be exchanged for, or transferred to Persons who take delivery thereof in the form
of, a beneficial interest in a Restricted Global Note. 
 (c) Transfer or Exchange of Beneficial Interests for Definitive
Notes. 
 (1) Beneficial Interests in Restricted Global Notes to Restricted Definitive Notes. If any holder of a
beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for a Restricted Definitive Note or to transfer such beneficial interest to a Person who takes delivery thereof in the form of a Restricted Definitive
Note, then, upon receipt by the Registrar of the following documentation: 
 (A) if the holder of such beneficial interest in
a Restricted Global Note proposes to exchange such beneficial interest for a Restricted Definitive Note, a certificate from such holder in the form of Exhibit C hereto, including the certifications in item (2)(a) thereof; 

(B) if such beneficial interest is being transferred to a QIB in accordance with Rule 144A, a certificate to the effect set
forth in Exhibit B hereto, including the certifications in item (1) thereof; 
 (C) if such beneficial interest is being
transferred to a Non-U.S. Person in an offshore transaction in accordance with Rule 904, a certificate to the effect set forth in Exhibit B hereto, including the certifications in item (2) thereof; 

(D) if such beneficial interest is being transferred pursuant to an exemption from the registration requirements of the
Securities Act in accordance with Rule 144, a certificate to the effect set forth in Exhibit B hereto, including the certifications in item (3)(a) thereof; 

(E) if such beneficial interest is being transferred to an Institutional Accredited Investor in reliance on an exemption from
the registration requirements of the Securities Act other than those listed in subparagraphs (B) through (D) above, a certificate to the effect set forth in Exhibit B hereto, including the certifications, certificates and Opinion of Counsel
required by item (3)(d) thereof, if applicable; 
 (F) if such beneficial interest is being transferred to Targa Resources
Partners or any of its Subsidiaries, a certificate to the effect set forth in Exhibit B hereto, including the certifications in item (3)(b) thereof; or 

  
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 (G) if such beneficial interest is being transferred pursuant to an
effective registration statement under the Securities Act, a certificate to the effect set forth in Exhibit B hereto, including the certifications in item (3)(c) thereof, 

the Trustee shall cause the aggregate principal amount of the applicable Global Note to be reduced accordingly pursuant to Section 2.06(h) hereof, and
the Issuers shall execute and the Trustee shall authenticate and deliver to the Person designated in the instructions a Definitive Note in the appropriate principal amount. Any Definitive Note issued in exchange for a beneficial interest in a
Restricted Global Note pursuant to this Section 2.06(c) shall be registered in such name or names and in such authorized denomination or denominations as the holder of such beneficial interest shall instruct the Registrar through instructions
from the Depositary. The Trustee shall deliver such Definitive Notes to the Persons in whose names such Notes are so registered. Any Definitive Note issued in exchange for a beneficial interest in a Restricted Global Note pursuant to this
Section 2.06(c)(1) shall bear the Private Placement Legend and shall be subject to all restrictions on transfer contained therein. 

(2) Beneficial Interests in Restricted Global Notes to Unrestricted Definitive Notes. A holder of a beneficial interest
in a Restricted Global Note may exchange such beneficial interest for an Unrestricted Definitive Note or may transfer such beneficial interest to a Person who takes delivery thereof in the form of an Unrestricted Definitive Note only if: 

(A) such exchange or transfer is effected pursuant to an Exchange Offer in accordance with the related Registration Rights
Agreement and the holder of such beneficial interest, in the case of an exchange, or the transferee, in the case of a transfer, certifies in the applicable Letter of Transmittal (or via the Depositary’s book-entry system) that it is not
(i) a Broker-Dealer, (ii) a Person participating in the distribution of the Exchange Notes or (iii) a Person who is an affiliate (as defined in Rule 144) of the Issuers; 

(B) such transfer is effected pursuant to a Shelf Registration Statement in accordance with the related Registration Rights
Agreement; 
 (C) such transfer is effected by a Broker-Dealer pursuant to an Exchange Offer Registration Statement in
accordance with the related Registration Rights Agreement; or 
 (D) the Registrar receives the following: 

(i) if the holder of such beneficial interest in a Restricted Global Note proposes to exchange such beneficial interest for an
Unrestricted Definitive Note, a certificate from such holder in the form of Exhibit C hereto, including the certifications in item (l)(b) thereof; or 

(ii) if the holder of such beneficial interest in a Restricted Global Note proposes to transfer such beneficial interest to a
Person who shall take delivery thereof in the form of an Unrestricted Definitive Note, a certificate from such holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

  
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 and, in each such case set forth in this subparagraph (D), if the Registrar so requests or if the Applicable
Procedures so require, an Opinion of Counsel in form reasonably acceptable to the Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer contained herein and in the
Private Placement Legend are no longer required in order to maintain compliance with the Securities Act. 
 (3) Beneficial
Interests in Unrestricted Global Notes to Unrestricted Definitive Notes. If any holder of a beneficial interest in an Unrestricted Global Note proposes to exchange such beneficial interest for a Definitive Note or to transfer such beneficial
interest to a Person who takes delivery thereof in the form of a Definitive Note, then, upon satisfaction of the conditions set forth in Section 2.06(b)(2) hereof, the Trustee will cause the aggregate principal amount of the applicable Global
Note to be reduced accordingly pursuant to Section 2.06(h) hereof, and the Issuers will execute and the Trustee will authenticate and deliver to the Person designated in the instructions a Definitive Note in the appropriate principal amount.
Any Definitive Note issued in exchange for a beneficial interest pursuant to this Section 2.06(c)(3) will be registered in such name or names and in such authorized denomination or denominations as the holder of such beneficial interest
requests through instructions to the Registrar from or through the Depositary and its participant or indirect participant. The Trustee will deliver such Definitive Notes to the Persons in whose names such Notes are so registered. Any Definitive Note
issued in exchange for a beneficial interest pursuant to this Section 2.06(c)(3) will not bear the Private Placement Legend. 

(d) Transfer and Exchange of Definitive Notes for Beneficial Interests. 

(1) Restricted Definitive Notes to Beneficial Interests in Restricted Global Notes. If any Holder of a Restricted
Definitive Note proposes to exchange such Note for a beneficial interest in a Restricted Global Note or to transfer such Restricted Definitive Note to a Person who takes delivery thereof in the form of a beneficial interest in a Restricted Global
Note, then, upon receipt by the Registrar of the following documentation: 
 (A) if the Holder of such Restricted Definitive
Note proposes to exchange such Note for a beneficial interest in a Restricted Global Note, a certificate from such Holder in the form of Exhibit C hereto, including the certifications in item (2)(b) thereof; 

(B) if such Restricted Definitive Note is being transferred to a QIB in accordance with Rule 144A, a certificate to the effect
set forth in Exhibit B hereto, including the certifications in item (1) thereof; or 
 (C) if such Restricted Definitive
Note is being transferred to a Non-U.S. Person in an offshore transaction in accordance with Rule 904, a certificate to the effect set forth in Exhibit B hereto, including the certifications in item
(2) thereof, 

  
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 the Trustee shall cancel the Restricted Definitive Note, the Registrar shall increase or cause to be
increased the aggregate principal amount of, in the case of clause (A) above, the appropriate Restricted Global Note, in the case of clause (B) above, the 144A Global Note, and in the case of clause (C) above, the Regulation S Global
Note. 
 (2) Restricted Definitive Notes to Beneficial Interests in Unrestricted Global Notes. A Holder of a
Restricted Definitive Note may exchange such Note for a beneficial interest in an Unrestricted Global Note or transfer such Restricted Definitive Note to a Person who takes delivery thereof in the form of a beneficial interest in an Unrestricted
Global Note only if: 
 (A) such exchange or transfer is effected pursuant to an Exchange Offer in accordance with applicable
Registration Rights Agreement and the Holder, in the case of an exchange, or the transferee, in the case of a transfer, certifies in the applicable Letter of Transmittal (or via the Depositary’s book-entry system) that it is not (1) a
Broker-Dealer, (2) a Person participating in the distribution of the Exchange Notes or (3) a Person who is an affiliate (as defined in Rule 144) of the Issuers; 

(B) such transfer is effected pursuant to a Shelf Registration Statement in accordance with the applicable Registration Rights
Agreement; 
 (C) such transfer is effected by a Broker-Dealer pursuant to an Exchange Offer Registration Statement in
accordance with the applicable Registration Rights Agreement; or 
 (D) the Registrar receives the following: 

(i) if the Holder of such Definitive Notes proposes to exchange such Notes for a beneficial interest in the Unrestricted
Global Note, a certificate from such Holder in the form of Exhibit C hereto, including the certifications in item (1)(c) thereof; or 

(ii) if the Holder of such Definitive Notes proposes to transfer such Notes to a Person who shall take delivery thereof in the
form of a beneficial interest in the Unrestricted Global Note, a certificate from such Holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

and, in each such case set forth in this subparagraph (D), if the Registrar so requests or if the Applicable Procedures so require, an Opinion of Outside
Counsel in form reasonably acceptable to the Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend are no longer
required in order to maintain compliance with the Securities Act. 

  
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 Upon satisfaction of the conditions of any of the subparagraphs in this
Section 2.06(d)(2), the Trustee shall cancel the Definitive Notes and the Registrar shall increase or cause to be increased the aggregate principal amount of the Unrestricted Global Note. 

(3) Unrestricted Definitive Notes to Beneficial Interests in Unrestricted Global Notes. A Holder of an Unrestricted
Definitive Note may exchange such Note for a beneficial interest in an Unrestricted Global Note or transfer such Definitive Note to a Person who takes delivery thereof in the form of a beneficial interest in an Unrestricted Global Note at any time.
Upon receipt of a request for such an exchange or transfer, the Trustee shall cancel the applicable Unrestricted Definitive Note and the Registrar shall increase or cause to be increased the aggregate principal amount of one of the Unrestricted
Global Notes. 
 If any such exchange or transfer from a Definitive Note to a beneficial interest is effected pursuant to subparagraph
(2)(B), (2)(D) or (3) above at a time when an Unrestricted Global Note has not yet been issued, the Issuers shall issue and, upon receipt of an Authentication Order in accordance with Section 2.02 hereof, the Trustee shall authenticate one
or more Unrestricted Global Notes in an aggregate principal amount equal to the principal amount of Definitive Notes so transferred. 
 (e)
Transfer and Exchange of Definitive Notes for Definitive Notes. Upon request by a Holder of Definitive Notes and such Holder’s compliance with the provisions of this Section 2.06(e), the Registrar will register the transfer or
exchange of Definitive Notes. Prior to such registration of transfer or exchange, the requesting Holder must present or surrender to the Registrar the Definitive Notes duly endorsed or accompanied by a written instruction of transfer in form
satisfactory to the Registrar duly executed by such Holder or by its attorney, duly authorized in writing. In addition, the requesting Holder must provide any additional certifications, documents and information, as applicable, required pursuant to
the following provisions of this Section 2.06(e). 
 (1) Restricted Definitive Notes to Restricted Definitive
Notes. Any Restricted Definitive Note may be transferred to and registered in the name of Persons who take delivery thereof in the form of a Restricted Definitive Note if the Registrar receives the following: 

(A) if the transfer will be made pursuant to Rule 144A, then the transferor must deliver a certificate in the form of Exhibit B
hereto, including the certifications in item (1) thereof; 
 (B) if the transfer will be made pursuant to Rule 904, then
the transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications in item (2) thereof; and 

(C) if the transfer will be made pursuant to any other exemption from the registration requirements of the Securities Act, then
the transferor must deliver a certificate in the form of Exhibit B hereto, including the certifications, certificates and Opinion of Counsel required by item (3) thereof, if applicable. 

  
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 (2) Restricted Definitive Notes to Unrestricted Definitive Notes. Any
Restricted Definitive Note may be exchanged by the Holder thereof for an Unrestricted Definitive Note or transferred to a Person or Persons who take delivery thereof in the form of an Unrestricted Definitive Note if: 

(A) such exchange or transfer is effected pursuant to an Exchange Offer in accordance with the related Registration Rights
Agreement and the Holder, in the case of an exchange, or the transferee, in the case of a transfer, certifies in the applicable Letter of Transmittal (or via the Depositary’s book-entry system) that it is not (i) a Broker-Dealer,
(ii) a Person participating in the distribution of the Exchange Notes or (iii) a Person who is an affiliate (as defined in Rule 144) of the Issuers; 

(B) any such transfer is effected pursuant to a Shelf Registration Statement in accordance with the related Registration Rights
Agreement; 
 (C) any such transfer is effected by a Broker-Dealer pursuant to an Exchange Offer Registration Statement in
accordance with the related Registration Rights Agreement; or 
 (D) the Registrar receives the following: 

(i) if the Holder of such Restricted Definitive Notes proposes to exchange such Notes for an Unrestricted Definitive Note, a
certificate from such Holder in the form of Exhibit C hereto, including the certifications in item (1)(d) thereof; or 

(ii) if the Holder of such Restricted Definitive Notes proposes to transfer such Notes to a Person who shall take delivery
thereof in the form of an Unrestricted Definitive Note, a certificate from such Holder in the form of Exhibit B hereto, including the certifications in item (4) thereof; 

and, in each such case set forth in this subparagraph (D), if the Registrar so requests, an Opinion of Outside Counsel in form reasonably acceptable to the
Registrar to the effect that such exchange or transfer is in compliance with the Securities Act and that the restrictions on transfer contained herein and in the Private Placement Legend are no longer required in order to maintain compliance with
the Securities Act. 
 (3) Unrestricted Definitive Notes to Unrestricted Definitive Notes. A Holder of Unrestricted
Definitive Notes may transfer such Notes to a Person who takes delivery thereof in the form of an Unrestricted Definitive Note. Upon receipt of a request to register such a transfer, the Registrar shall register the Unrestricted Definitive Notes
pursuant to the instructions from the Holder thereof. 
 (f) Exchange Offer; Private Exchange Offer. 

  
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 (1) Upon the occurrence of an Exchange Offer, if any, in accordance with the
related Registration Rights Agreement, the Issuers will issue and, upon receipt of an Authentication Order in accordance with Section 2.02 hereof, the Trustee will authenticate: 

(A) one or more Unrestricted Global Notes in an aggregate principal amount equal to the principal amount of the beneficial
interests in the Restricted Global Notes accepted for exchange in the Exchange Offer by Persons that certify in the applicable Letters of Transmittal (or via the Depositary’s book-entry system) that (I) they are not Broker-Dealers,
(II) they are not participating in a distribution of the Exchange Notes and (III) they are not affiliates (as defined in Rule 144) of the Issuers; and 

(B) Unrestricted Definitive Notes in an aggregate principal amount equal to the principal amount of the Restricted Definitive
Notes accepted for exchange in the Exchange Offer by Persons that certify in the applicable Letters of Transmittal that (or via the Depositary’s book-entry system) (I) they are not Broker-Dealers, (II) they are not participating in a
distribution of the Exchange Notes and (III) they are not affiliates (as defined in Rule 144) of the Issuers. 
 Concurrently with the
issuance of such Notes, the Trustee will cause the aggregate principal amount of the applicable Restricted Global Notes to be reduced accordingly, and the Issuers will execute and the Trustee will authenticate and deliver to the Persons designated
by the Holders of Definitive Notes so accepted Unrestricted Definitive Notes in the appropriate principal amount. 
 (2) If,
prior to consummation of an Exchange Offer, any Initial Purchaser holds Notes acquired by it as part of the initial distribution thereof, the Issuers, upon written request of such Initial Purchaser, simultaneously with the delivery of the Exchange
Notes pursuant to the Exchange Offer, shall issue and deliver to such Initial Purchaser and, upon receipt of an Authentication Order in accordance with Section 2.02 hereof, the Trustee shall authenticate, one or more Restricted Definitive Notes
representing Private Exchange Securities in a Private Exchange for the Notes held by such Initial Purchaser, in an aggregate principal amount equal to the Notes so exchanged by such Initial Purchaser in the Private Exchange. The Private Exchange
Notes shall bear the same CUSIP thereafter as the Exchange Notes if permitted by the CUSIP Service Bureau. 
 (g) Legends. The
following legends will appear on the face of all Global Notes and Definitive Notes issued under this Indenture unless specifically stated otherwise in the applicable provisions of this Indenture. 

(1) Private Placement Legend. 

  
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 (A) Unless and until (w) a Note is exchanged for an Exchange Note or
sold in connection with an effective Shelf Registration Statement pursuant to the applicable Registration Rights Agreement, (x) with respect to a Restricted Global Note, all of the beneficial interests in such Restricted Global Note have been
exchanged for beneficial interests in the Unrestricted Global Note in accordance with Section 2.06(j), (y) with respect to any Restricted Note, the Private Placement Legend has been removed from such Restricted Note in accordance with
Section 2.06(b)(4), 2.06(c)(2), 2.06(d)(2) or 2.06(e)(2), or (z) Targa Resources Partners determines and there is delivered to the Trustee an Opinion of Outside Counsel reasonably satisfactory to the Trustee and a letter of representation
of the Issuers reasonably satisfactory to the Trustee to the effect that the following legend and the related restrictions on transfer are not required in order to maintain compliance with the provisions of the Securities Act, each Global Note and
each Definitive Note (and all Notes issued in exchange therefor or substitution thereof) shall bear the legend in substantially the following form: 

“THIS SECURITY HAS NOT BEEN REGISTERED UNDER THE U.S. SECURITIES ACT OF 1933, AS AMENDED (THE “SECURITIES ACT”), AND,
ACCORDINGLY, MAY NOT BE OFFERED OR SOLD WITHIN THE UNITED STATES OR TO, OR FOR THE ACCOUNT OR BENEFIT OF, U.S. PERSONS EXCEPT AS SET FORTH BELOW. BY ITS ACQUISITION HEREOF, THE HOLDER (1) REPRESENTS THAT (A) IT IS A “QUALIFIED
INSTITUTIONAL BUYER” (AS DEFINED IN RULE 144A UNDER THE SECURITIES ACT), (B) IT IS NOT A U.S. PERSON AND IS ACQUIRING THIS SECURITY IN AN OFFSHORE TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT OR (C) IT IS AN ACCREDITED
INVESTOR (AS DEFINED IN RULE 501(a)(1), (2), (3), OR (7) UNDER THE SECURITIES ACT (AN “ACCREDITED INVESTOR”), (2) AGREES THAT IT WILL NOT WITHIN [IN THE CASE OF NOTES SOLD IN RELIANCE ON RULE 144A: ONE YEAR AFTER THE LATER OF THE
ORIGINAL ISSUE DATE HEREOF AND THE LAST DATE ON WHICH AN ISSUER OR ANY AFFILIATE OF AN ISSUER WAS THE OWNER OF THIS SECURITY (OR ANY PREDECESSOR OF SUCH SECURITY)] [IN THE CASE OF NOTES SOLD IN RELIANCE ON REGULATION S: 40 DAYS AFTER THE LATER OF
THE ORIGINAL ISSUE DATE HEREOF AND THE DATE ON WHICH THIS SECURITY (OR ANY PREDECESSOR OF SUCH SECURITY) WAS FIRST OFFERED TO PERSONS OTHER THAN DISTRIBUTORS (AS DEFINED IN RULE 902 OF REGULATION S)] (THE “RESALE RESTRICTION TERMINATION
DATE”) RESELL OR OTHERWISE TRANSFER THIS SECURITY EXCEPT (A) TO AN ISSUER OR ANY SUBSIDIARY THEREOF, (B) INSIDE THE UNITED STATES TO A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT,
(C) INSIDE THE UNITED STATES TO AN ACCREDITED INVESTOR THAT, PRIOR TO SUCH TRANSFER, FURNISHES (OR HAS FURNISHED ON ITS BEHALF BY A U.S. BROKER-DEALER) TO THE TRUSTEE A SIGNED LETTER CONTAINING CERTAIN REPRESENTATIONS AND AGREEMENTS RELATING TO
THE RESTRICTIONS ON TRANSFER OF THIS SECURITY (THE FORM OF WHICH LETTER CAN BE OBTAINED FROM THE TRUSTEE FOR THIS SECURITY), (D) OUTSIDE THE UNITED STATES IN AN OFFSHORE 

  
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TRANSACTION IN COMPLIANCE WITH RULE 904 UNDER THE SECURITIES ACT (IF AVAILABLE), (E) PURSUANT TO THE EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT (IF AVAILABLE), (F)
IN ACCORDANCE WITH ANOTHER EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT (AND BASED UPON AN OPINION OF COUNSEL IF AN ISSUER SO REQUESTS), OR (G) PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT AND
(3) AGREES THAT IT WILL GIVE TO EACH PERSON TO WHOM THIS SECURITY IS TRANSFERRED A NOTICE SUBSTANTIALLY TO THE EFFECT OF THIS LEGEND. IN CONNECTION WITH ANY TRANSFER OF THIS SECURITY PRIOR TO THE RESALE RESTRICTION TERMINATION DATE, IF THE
PROPOSED TRANSFEREE IS AN ACCREDITED INVESTOR, THE HOLDER MUST, PRIOR TO SUCH TRANSFER, FURNISH TO THE TRUSTEE AND THE ISSUERS SUCH CERTIFICATIONS, LEGAL OPINIONS OR OTHER INFORMATION AS ANY OF THEM MAY REASONABLY REQUIRE TO CONFIRM THAT SUCH
TRANSFER IS BEING MADE PURSUANT TO AN EXEMPTION FROM, OR IN A TRANSACTION NOT SUBJECT TO, THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT, AS USED HEREIN. THE TERMS “OFFSHORE TRANSACTION,” “UNITED STATES” AND “U.S.
PERSON” HAVE THE MEANING GIVEN TO THEM BY REGULATION S UNDER THE SECURITIES ACT. THIS LEGEND WILL BE REMOVED UPON THE REQUEST OF THE HOLDER OR AN ISSUER ON OR AFTER THE RESALE RESTRICTION TERMINATION DATE.” 

(B) Notwithstanding the foregoing, any Global Note or Definitive Note issued pursuant to subparagraph (b)(4), (c)(2), (c)(3),
(d)(2), (d)(3), (e)(2), (e)(3), (f) or (j) of this Section 2.06 (and all Notes issued in exchange therefor or substitution thereof) will not bear the Private Placement Legend. 

(2) Global Note Legend. Each Global Note will bear a legend in substantially the following form: 

“THIS GLOBAL NOTE IS HELD BY THE DEPOSITARY (AS DEFINED IN THE INDENTURE GOVERNING THIS NOTE) OR ITS NOMINEE IN CUSTODY FOR THE BENEFIT OF
THE BENEFICIAL OWNERS HEREOF, AND IS NOT TRANSFERABLE TO ANY PERSON UNDER ANY CIRCUMSTANCES EXCEPT THAT (1) THE TRUSTEE MAY MAKE SUCH NOTATIONS HEREON AS MAY BE REQUIRED PURSUANT TO SECTION 2.06 OF THE INDENTURE, (2) THIS GLOBAL NOTE MAY
BE EXCHANGED IN WHOLE BUT NOT IN PART PURSUANT TO SECTION 2.06(a) OF THE INDENTURE, (3) THIS GLOBAL NOTE MAY BE DELIVERED TO THE TRUSTEE FOR CANCELLATION PURSUANT TO SECTION 2.11 OF THE INDENTURE AND (4) THIS GLOBAL NOTE MAY BE TRANSFERRED
TO A SUCCESSOR DEPOSITARY WITH THE PRIOR WRITTEN CONSENT OF THE ISSUERS. 

  
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 UNLESS AND UNTIL IT IS EXCHANGED IN WHOLE OR IN PART FOR NOTES IN DEFINITIVE FORM, THIS NOTE
MAY NOT BE TRANSFERRED EXCEPT AS A WHOLE BY THE DEPOSITARY TO A NOMINEE OF THE DEPOSITARY OR BY A NOMINEE OF THE DEPOSITARY TO THE DEPOSITARY OR ANOTHER NOMINEE OF THE DEPOSITARY OR BY THE DEPOSITARY OR ANY SUCH NOMINEE TO A SUCCESSOR DEPOSITARY OR
A NOMINEE OF SUCH SUCCESSOR DEPOSITARY. UNLESS THIS CERTIFICATE IS PRESENTED BY AN AUTHORIZED REPRESENTATIVE OF THE DEPOSITORY TRUST COMPANY (55 WATER STREET, NEW YORK, NEW YORK) (“DTC”), TO THE ISSUERS OR THEIR AGENT FOR REGISTRATION OF
TRANSFER, EXCHANGE OR PAYMENT, AND ANY CERTIFICATE ISSUED IS REGISTERED IN THE NAME OF CEDE & CO. OR SUCH OTHER NAME AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC (AND ANY PAYMENT IS MADE TO CEDE & CO. OR SUCH OTHER
ENTITY AS MAY BE REQUESTED BY AN AUTHORIZED REPRESENTATIVE OF DTC), ANY TRANSFER, PLEDGE OR OTHER USE HEREOF FOR VALUE OR OTHERWISE BY OR TO ANY PERSON IS WRONGFUL INASMUCH AS THE REGISTERED OWNER HEREOF, CEDE & CO., HAS AN INTEREST
HEREIN.” 
 (3) OID Legend. Each Note issued hereunder that has more than a de minimis amount of original
issue discount for U.S. Federal income tax purposes will bear a legend in substantially the following form: 
 “THIS NOTE IS ISSUED WITH
ORIGINAL ISSUE DISCOUNT FOR PURPOSES OF SECTION 1271 ET SEQ. OF THE INTERNAL REVENUE CODE. A HOLDER MAY OBTAIN THE ISSUE PRICE, AMOUNT OF ORIGINAL ISSUE DISCOUNT, ISSUE DATE AND YIELD TO MATURITY FOR SUCH NOTES BY SUBMITTING A WRITTEN REQUEST FOR
SUCH INFORMATION TO THE ISSUERS AT THE FOLLOWING ADDRESS: TARGA RESOURCES PARTNERS LP, 811 LOUISIANA ST., SUITE 2100, HOUSTON, TEXAS 77002, ATTENTION: INVESTOR RELATIONS.” 

(h) Cancellation and/or Adjustment of Global Notes. At such time as all beneficial interests in a particular Global Note have been
exchanged for Definitive Notes or a particular Global Note has been redeemed, repurchased or canceled in whole and not in part, each such Global Note will be returned to or retained and canceled by the Trustee in accordance with Section 2.11
hereof. At any time prior to such cancellation, if any beneficial interest in a Global Note is exchanged for or transferred to a Person who will take delivery thereof in the form of a beneficial interest in another Global Note or for Definitive
Notes, the principal amount of Notes represented by such Global Note will be reduced accordingly and an endorsement will be made on such Global Note by the Trustee or by the Depositary at the direction of the Trustee to reflect such reduction; and
if the beneficial interest is being exchanged for or transferred to a Person who will take delivery thereof in the form of a beneficial interest in another Global Note, such other Global Note will be increased accordingly and an endorsement will be
made on such Global Note by the Trustee or by the Depositary at the direction of the Trustee to reflect such increase. 

  
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 (i) General Provisions Relating to Transfers and Exchanges. 

(1) To permit registrations of transfers and exchanges, the Issuers will execute and the Trustee will authenticate Global Notes
and Definitive Notes upon receipt of a Company Order or at the Registrar’s request. 
 (2) No service charge will be
made to a Holder of a beneficial interest in a Global Note or to a Holder of a Definitive Note for any registration of transfer or exchange, but the Issuers may require payment of a sum sufficient to cover any transfer tax or similar governmental
charge payable in connection therewith (other than any such transfer taxes or similar governmental charge payable upon exchange or transfer pursuant to Sections 2.10, 3.06, 3.09, 4.10, 4.15 and 9.05 hereof). 

(3) [Reserved.] 

(4) All Global Notes and Definitive Notes issued upon any registration of transfer or exchange of Global Notes or Definitive
Notes will be the valid obligations of the Issuers, evidencing the same debt, and entitled to the same benefits under this Indenture, as the Global Notes or Definitive Notes surrendered upon such registration of transfer or exchange. 

(5) Neither the Registrar nor the Issuers will be required: 

(A) to issue, to register the transfer of or to exchange, any Notes during a period beginning at the opening of business 15
days before the day of any selection of Notes for redemption under Section 3.02 hereof and ending at the close of business on the day of selection; 

(B) to register the transfer of or to exchange any Note selected for redemption in whole or in part, except the unredeemed
portion of any Note being redeemed in part; or 
 (C) to register the transfer of or to exchange a Note between a record date
and the next succeeding interest payment date. 
 (6) Prior to due presentment for the registration of a transfer of any
Note, the Trustee, any Agent and the Issuers may deem and treat the Person in whose name any Note is registered as the absolute owner of such Note for the purpose of receiving payment of principal of and interest on such Notes and for all other
purposes, and none of the Trustee, any Agent or the Issuers shall be affected by notice to the contrary. 
 (7) The Trustee
will authenticate Global Notes and Definitive Notes for original issue in accordance with the provisions of Section 2.02 hereof. 

  
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 (8) All certifications, certificates, Opinions of Counsel and Opinions of
Outside Counsel required to be submitted to the Registrar pursuant to this Section 2.06 to effect a registration of transfer or exchange may be submitted by facsimile. 

(j) Automatic Exchange from Restricted Global Note to Unrestricted Global Note. Upon compliance with the Applicable Procedures, all of
the beneficial interests in a Restricted Global Note shall be exchanged for beneficial interests in the Unrestricted Global Note as of the Resale Restriction Termination Date. Upon such exchange of beneficial interests pursuant to this
Section 2.06(j), the Registrar shall endorse the Schedule of Exchanges of Interests in the Global Note to the relevant Global Notes and reflect on its books and records the date of such transfer and a decrease and increase, respectively, in the
principal amount of the applicable Restricted Global Note(s) and the Unrestricted Global Note, respectively, equal to the principal amount of beneficial interests transferred. Following any such transfer pursuant to this Section 2.06(j), the
relevant Restricted Global Note(s) shall be cancelled. 
 (k) Transfers of Notes Held by Affiliates. Any certificate
(i) evidencing a Note that has been transferred to an affiliate (as defined in Rule 405) of the Issuers within one year after the date hereof, as evidenced by a notation on the assignment form for such transfer or in the representation letter
delivered in respect thereof or (ii) evidencing a Note that has been acquired from an affiliate (other than by an affiliate) in a transaction or a chain of transactions not involving any public offering, shall, until one year after the last
date on which either the Issuers or any affiliate of the Issuers was an owner of such Note, in each case, be in the form of a Restricted Definitive Note. The Registrar shall retain copies of all letters, notices and other written communications
received pursuant to this Section 2.06. The Issuers, at their sole cost and expense, shall have the right to inspect and make copies of all such letters, notices or other written communications at any reasonable time upon the giving of
reasonable written notice to the Registrar. 
 Section 2.07 Replacement Notes. 

If any mutilated Note is surrendered to the Trustee or the Issuers and the Trustee receives evidence to its satisfaction of the destruction,
loss or theft of any Note, the Issuers will issue and the Trustee, upon receipt of a Company Order, will authenticate a replacement Note if the Trustee’s requirements are met. If required by the Trustee or the Issuers, an indemnity bond must be
supplied by the Holder that is sufficient in the judgment of the Trustee and the Issuers to protect the Issuers, the Trustee, any Agent and any authenticating agent from any loss that any of them may suffer if a Note is replaced. The Issuers and the
Trustee may charge for their expenses in replacing a Note. 
 Every replacement Note is an additional obligation of each of the Issuers and
will be entitled to all of the benefits of this Indenture equally and proportionately with all other Notes duly issued hereunder. 

  
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 Section 2.08 Outstanding Notes. 

The Notes outstanding at any time are all the Notes authenticated by the Trustee except for those canceled by it, those delivered to it for
cancellation, those reductions in the interest in a Global Note effected by the Trustee in accordance with the provisions hereof, and those described in this Section 2.08 as not outstanding. Except as set forth in Section 2.09 hereof, a
Note does not cease to be outstanding because the Issuers or an Affiliate of the Issuers holds the Note; however, Notes held by Targa Resources Partners or a Subsidiary of Targa Resources Partners shall not be deemed to be outstanding for purposes
of Section 3.07(a) hereof. 
 If a Note is replaced pursuant to Section 2.07 hereof, it ceases to be outstanding unless the
Trustee receives proof satisfactory to it that the replaced Note is held by a protected purchaser. 
 If the principal amount of any Note is
considered paid under Section 4.01 hereof, it ceases to be outstanding and interest and Liquidated Damages, if any, on it cease to accrue. 

If the Paying Agent (other than Targa Resources Partners, a Subsidiary or an Affiliate of any thereof) holds as of 11:00 a.m. Eastern Time, on
a Redemption Date or other maturity date, money sufficient to pay Notes payable on that date, then on and after that date such Notes will be deemed to be no longer outstanding and will cease to accrue interest and Liquidated Damages, if any. 

Section 2.09 Treasury Notes. 
 In
determining whether the Holders of the required principal amount of Notes have concurred in any direction, waiver or consent, Notes owned by the Issuers or any Guarantor, or by any Person directly or indirectly controlling or controlled by or under
direct or indirect common control with the Issuers or any Guarantor, will be considered as though not outstanding, except that for the purposes of determining whether the Trustee will be protected in relying on any such direction, waiver or consent,
only Notes that the Trustee knows are so owned will be so disregarded. 
 Section 2.10 Temporary Notes. 

Until certificates representing Notes are ready for delivery, the Issuers may prepare and the Trustee, upon receipt of an Authentication Order,
will authenticate temporary Notes. Temporary Notes will be substantially in the form of certificated Notes but may have variations that the Issuers consider appropriate for temporary Notes and as may be reasonably acceptable to the Trustee, upon
receipt of an Authentication Order. Without unreasonable delay, the Issuers will prepare and the Trustee will authenticate definitive Notes in exchange for temporary Notes. 

Holders of temporary Notes will be entitled to all of the benefits of this Indenture. 

Section 2.11 Cancellation. 
 The
Issuers at any time may deliver Notes to the Trustee for cancellation. The Registrar and Paying Agent will forward to the Trustee any Notes surrendered to them for registration of transfer, exchange or payment. The Trustee and no one else will
cancel all Notes surrendered for registration of transfer, exchange, payment, replacement or cancellation and will destroy canceled Notes (subject to the record retention requirement of the Exchange Act). Certification of the destruction of all
canceled Notes will be delivered to the Issuers. The Issuers may not issue new Notes to replace Notes that they have paid or that have been delivered to the Trustee for cancellation. 

  
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 Section 2.12 Defaulted Interest. 

If the Issuers default in a payment of interest on the Notes, they will pay the defaulted interest in any lawful manner plus, to the extent
lawful, interest payable on the defaulted interest, to the Persons who are Holders on a subsequent special record date, in each case at the rate provided in the Notes and in Section 4.01 hereof. The Issuers will notify the Trustee in writing of
the amount of defaulted interest proposed to be paid on each Note and the date of the proposed payment. The Issuers will fix or cause to be fixed each such special record date and payment date; provided that no such special record date may be less
than 10 days prior to the related payment date for such defaulted interest. At least 15 days before the special record date, the Issuers (or, upon the written request of the Issuers, the Trustee in the name and at the expense of the Issuers) will
send or cause to be sent to Holders a notice that states the special record date, the related payment date and the amount of such interest to be paid. 

ARTICLE 3 
 REDEMPTION AND
REPURCHASE 
 Section 3.01 Notices to Trustee. 

If the Issuers elect to redeem Notes pursuant to the optional redemption provisions of Section 3.07 hereof, Targa Resources Partners must
furnish to the Trustee, at least five Business Days before the giving of the notice of redemption pursuant to Section 3.03, an Officers’ Certificate setting forth: 

(1) the clause of this Indenture pursuant to which the redemption shall occur, 

(2) the Redemption Date; 

(3) the principal amount of Notes to be redeemed; and 

(4) the redemption price, if then determinable and, if not, then a method for determination. 

Section 3.02 Selection of Notes to Be Redeemed. 

If less than all of the Notes are to be redeemed at any time, the Trustee will select Notes for redemption as follows: 

(1) if the Notes are listed on any national securities exchange, in compliance with the requirements of the principal national
securities exchange on which the Notes are listed; or 

  
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 (2) if the Notes are not listed on any national securities exchange, on a
pro rata basis, by lot or by such other method as the Trustee shall deem fair and appropriate (or, in the case of Global Notes, the Notes represented thereby will be selected in accordance with the prescribed method of the Depositary). 

No Notes of $2,000 or less can be redeemed in part. 

Section 3.03 Notice of Redemption. 

At least 10 days but not more than 60 days before a Redemption Date, the Issuers will send or cause to be sent, in the manner provided in
Section 12.02 hereof, a notice of redemption to each Holder whose Notes are to be redeemed at its registered address, except that redemption notices may be sent more than 60 days prior to a Redemption Date if the notice is issued in connection
with a defeasance of the Notes or a satisfaction and discharge of this Indenture pursuant to Articles 8 or 11 hereof. 
 The notice will
identify the Notes to be redeemed and will state: 
 (1) the Redemption Date; 

(2) the redemption price, if then determinable, and, if not, then a method for determination; 

(3) if any Note is being redeemed in part, the portion of the principal amount of such Note to be redeemed and that, after the
Redemption Date upon surrender of such Note, a new Note or Notes in principal amount equal to the unredeemed portion will be issued upon cancellation of the original Note; 

(4) the name and address of the Paying Agent; 

(5) that Notes called for redemption must be surrendered to the Paying Agent to collect the redemption price; 

(6) that, unless the Issuers default in making such redemption payment, interest and Liquidated Damages, if any, on Notes
called for redemption ceases to accrue on and after the Redemption Date; 
 (7) the paragraph of the Notes and/or Section of
this Indenture pursuant to which the Notes called for redemption are being redeemed; and 
 (8) that no representation is
made as to the correctness or accuracy of the CUSIP number, if any, listed in such notice or printed on the Notes. 
 At the Issuers’
request, the Trustee will give the notice of redemption in the Issuers’ names and at their expense; provided, however, that the Issuers have delivered to the Trustee, at least five Business Days prior to the date of giving such
notice, an Officers’ Certificate requesting that the Trustee give such notice and setting forth the information to be stated in such notice as provided in the preceding paragraph. Such Officers’ Certificate may be combined with the
Officers’ Certificate referred to in Section 3.01. 

  
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 Section 3.04 Effect of Notice of Redemption. 

Once notice of redemption is delivered in accordance with Section 3.03 hereof, Notes called for redemption become irrevocably due and
payable (subject to the immediately succeeding sentence) on the redemption date at the redemption price. A redemption may, at the Issuers’ discretion, be subject to one or more conditions precedent, including any related Equity Offering. If
such redemption is subject to the satisfaction of one or more conditions precedent, the related notice shall describe each such condition, and if applicable, shall state that, in the Issuers’ discretion, the Redemption Date may be delayed until
such time as any or all such conditions shall be satisfied or waived (provided that in no event shall such Redemption Date be delayed to a date later than 60 days after the date on which such notice was sent), or such redemption may not occur and
such notice may be rescinded in the event that any or all such conditions shall not have been satisfied or waived by Redemption Date, or by the Redemption Date as so delayed. Unless the Issuers default in the payment of the redemption price,
interest and Liquidated Damages, if any, will cease to accrue on the Notes or portions thereof called for redemption on the applicable Redemption Date. 

Section 3.05 Deposit of Redemption or Purchase Price. 

By 11:00 a.m. Eastern Time on the redemption or purchase date, the Issuers will deposit with the Trustee or with the Paying Agent money
sufficient to pay the redemption or purchase price of and accrued interest and Liquidated Damages, if any, on all Notes to be redeemed or purchased on that date. The Trustee or the Paying Agent will promptly return to the Issuers any money deposited
with the Trustee or the Paying Agent by the Issuers in excess of the amounts necessary to pay the redemption or purchase price of, and accrued interest and Liquidated Damages, if any, on, all Notes to be redeemed or purchased. 

If the Issuers comply with the provisions of the preceding paragraph, on and after the redemption or purchase date, interest and Liquidated
Damages, if any, will cease to accrue on the Notes or the portions of Notes called for redemption or surrendered for purchase. If a Note is redeemed or purchased on or after an interest record date but on or prior to the related interest payment
date, then any accrued and unpaid interest shall be paid to the Person in whose name such Note was registered at the close of business on such record date. If any Note called for redemption or surrendered for purchase is not so paid upon surrender
for redemption or purchase because of the failure of the Issuers to comply with the preceding paragraph, interest shall be paid on the unpaid principal, from the redemption or purchase date until such principal is paid, and to the extent lawful on
any interest not paid on such unpaid principal, in each case at the rate provided in the Notes and in Section 4.01 hereof. 
 Section 3.06
Notes Redeemed or Purchased in Part. 
 Upon surrender of a Note that is redeemed or purchased in part, the Issuers will issue and,
upon receipt of a Company Order, the Trustee will authenticate for the Holder at the expense of the Issuers a new Note equal in principal amount to the unredeemed or unpurchased portion of the Note surrendered. 

  
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 Section 3.07 Optional Redemption. 

(a) At any time prior to March 1, 2023, the Issuers may on any one or more occasions redeem up to 35% of the aggregate principal amount of
the Notes (including any Additional Notes) issued under this Indenture, upon giving notice as provided in Section 3.03, at a redemption price of 105.500% of the principal amount thereof, plus accrued and unpaid interest and Liquidated Damages,
if any, to the date of redemption (the “Redemption Date”), subject to the right of Holders of record on the relevant record date to receive interest due on an interest payment date that is on or prior to the Redemption Date,
in an amount not greater than the net cash proceeds of one or more Equity Offerings by Targa Resources Partners; provided that: 

(i) at least 65% of the aggregate principal amount of the Notes (including any Additional Notes) issued under this Indenture
(excluding Notes held by Targa Resources Partners and its Subsidiaries) remains outstanding immediately after the occurrence of such redemption; and 

(ii) the redemption occurs within 180 days of the date of the closing of such Equity Offering. 

(b) On or after March 1, 2025, the Issuers may redeem all or a part of the Notes upon giving notice as provided in Section 3.03, at
the redemption prices (expressed as percentages of principal amount) set forth below plus accrued and unpaid interest and Liquidated Damages, if any, on the Notes redeemed to the applicable Redemption Date, if redeemed during the twelve-month period
beginning on March 1 of each year indicated below, subject to the rights of Holders of Notes on the relevant record date to receive interest on an interest payment date that is on or prior to the Redemption Date: 

 

					
	 Year
	  	Percentage	 
	 2025
	  	 	102.750	% 
	 2026
	  	 	101.833	% 
	 2027
	  	 	100.917	% 
	 2028 and thereafter
	  	 	100.000	% 

 (c) At any time prior to March 1, 2025, the Issuers may also redeem all or a part of the Notes, upon
giving notice as provided in Section 3.03, at a redemption price equal to 100% of the principal amount of the Notes redeemed plus the Applicable Premium as of, and accrued and unpaid interest and Liquidated Damages, if any, to the Redemption
Date, subject to the rights of Holders on the relevant record date to receive interest due on an interest payment date that is on or prior to the Redemption Date. 

(d) The Issuers may redeem all (but not a portion of) the Notes when permitted by, and pursuant to the conditions in, Section 4.15(d)
hereof. 

  
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 (e) Any redemption pursuant to this Section 3.07 shall be made pursuant to the
provisions of Sections 3.01 through 3.06 hereof. 
 Section 3.08 [Reserved]. 

Section 3.09 Offer to Purchase by Application of Excess Proceeds. 

In the event that, pursuant to Section 4.10 hereof, Targa Resources Partners is required to commence an offer to all Holders to purchase
Notes (an “Asset Sale Offer”), it will follow the procedures specified below. 
 The Asset Sale Offer shall be made to all Holders
and all holders of other Indebtedness that is pari passu with the Notes containing provisions similar to those set forth in this Indenture with respect to offers to purchase or redeem with the proceeds of sales of assets. The Asset Sale Offer
will remain open for a period of at least 20 Business Days following its commencement and not more than 30 Business Days, except to the extent that a longer period is required by applicable law (the “Offer Period”). No later
than three Business Days after the termination of the Offer Period (the “Purchase Date”), the Issuers will apply all Excess Proceeds (the “Offer Amount”) to the purchase of Notes and such other pari
passu Indebtedness (on a pro rata basis, if applicable) or, if less than the Offer Amount has been tendered, all Notes and other Indebtedness tendered in response to the Asset Sale Offer. Payment for any Notes so purchased will be made in
the manner prescribed in the Notes. 
 If the Purchase Date is on or after an interest record date and on or before the related interest
payment date, any accrued and unpaid interest and Liquidated Damages, if any, will be paid to the Person in whose name a Note is registered at the close of business on such record date, and no additional interest or Liquidated Damages will be
payable to Holders who tender Notes pursuant to the Asset Sale Offer. 
 Upon the commencement of an Asset Sale Offer, the Issuers will
send, in the manner provided in Section 12.02 hereof, a notice to the Trustee and each of the Holders. The notice will contain all instructions and materials necessary to enable such Holders to tender Notes pursuant to the Asset Sale Offer. The
notice, which will govern the terms of the Asset Sale Offer, will state: 
 (1) that the Asset Sale Offer is being made
pursuant to this Section 3.09 and Section 4.10 hereof and the length of time the Asset Sale Offer will remain open; 

(2) the Offer Amount, the purchase price and the Purchase Date; 

(3) that any Note not tendered or accepted for payment will continue to accrue interest and Liquidated Damages, if any; 

(4) that, unless the Issuers default in making such payment, any Note accepted for payment pursuant to the Asset Sale Offer
will cease to accrue interest and Liquidate Damages, if any, after the Purchase Date; 

  
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 (5) that Holders electing to have a Note purchased pursuant to an Asset Sale
Offer may elect to have Notes purchased in denominations of $2,000 and integral multiples of $1,000 in excess thereof only; 

(6) that Holders electing to have Notes purchased pursuant to any Asset Sale Offer will be required to surrender the Note, with
the form entitled “Option of Holder to Elect Purchase” attached to the Notes completed, or transfer by book-entry transfer, to the Issuers, a depositary, if appointed by the Issuers, or a Paying Agent at the address specified in the notice
at least three Business Days before the Purchase Date; 
 (7) that Holders will be entitled to withdraw their election if the
Issuers, the depositary or the Paying Agent, as the case may be, receives, not later than the expiration of the Offer Period, a facsimile transmission or letter setting forth the name of the Holder, the principal amount of the Note the Holder
delivered for purchase and a statement that such Holder is withdrawing his election to have such Note purchased; 
 (8) that,
if the aggregate principal amount of Notes tendered into the Asset Sale Offer exceeds the amount of the Excess Proceeds allocated to the purchase of the Notes, the Issuers will select the Notes to be purchased on a pro rata basis (or, in the
case of Global Notes, the Notes represented thereby will be purchased in accordance with the Depositary’s prescribed method) based on the principal amount of Notes and such other pari passu Indebtedness surrendered (with such adjustments
as may be deemed appropriate by the Issuers so that only Notes in denominations of $2,000, or integral multiples of $1,000 in excess thereof, will be purchased); and 

(9) that Holders whose Notes were purchased only in part will be issued new Notes equal in principal amount to the unpurchased
portion of the Notes surrendered (or transferred by book-entry transfer). 
 On or before the Purchase Date, the Issuers will, to the extent
lawful, accept for payment, on a pro rata basis to the extent necessary, the Offer Amount allocable to the Notes or portions thereof tendered pursuant to the Asset Sale Offer, or if less than the Offer Amount allocable to the Notes has been
tendered, all Notes tendered, and will deliver or cause to be delivered to the Trustee the Notes properly accepted together with an Officers’ Certificate stating that such Notes or portions thereof were accepted for payment by the Issuers in
accordance with the terms of this Section 3.09. The Issuers, the depositary or the Paying Agent, as the case may be, will promptly (but in any case not later than five days after the Purchase Date) mail or deliver to each tendering Holder an
amount equal to the purchase price of the Notes tendered by such Holder and accepted by the Issuers for purchase, and the Issuers will promptly issue a new Note, and the Trustee, upon receipt of a Company Order, will authenticate and mail or deliver
(or cause to be transferred by book entry) such new Note to such Holder, in a principal amount equal to any unpurchased portion of the Note surrendered. Any Note not so accepted shall be promptly mailed or delivered by the Issuers to the Holder
thereof. The Issuers will publicly announce the results of the Asset Sale Offer on the Purchase Date. 
 Other than as specifically provided
in this Section 3.09, any purchase pursuant to this Section 3.09 shall be made pursuant to the provisions of Sections 3.05 and 3.06 hereof. 

  
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 ARTICLE 4 

COVENANTS 
 Section 4.01 Payment of
Notes. 
 The Issuers shall pay or cause to be paid the principal of, premium, if any, and interest and Liquidated Damages, if any, on,
the Notes on the dates and in the manner provided in the Notes. Principal, premium, if any, and interest and Liquidated Damages, if any will be considered paid on the date due if the Paying Agent, if other than the Targa Resources Partners or a
Subsidiary thereof, holds as of 11:00 a.m. Eastern Time on the due date money deposited by the Issuers in immediately available funds and designated for and sufficient to pay all principal, premium, if any, and interest and Liquidated Damages, if
any, then due. The Issuers will pay all Liquidated Damages, if any, in the same manner as interest on the dates and in the amounts set forth in the applicable Registration Rights Agreement. 

The Issuers shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium,
if any, at the then applicable interest rate on the Notes to the extent lawful; they shall pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue installments of interest and Liquidated Damages (without
regard to any applicable grace period) at the same rate to the extent lawful. 
 The Issuers shall notify the Trustee of the amounts and
payment dates of any Liquidated Damages that may become payable under any Registration Rights Agreement. 
 Section 4.02 Maintenance of Office or
Agency. 
 The Issuers shall maintain an office or agency (which may be an office of the Trustee or an affiliate of the Trustee) in the
City of New York where Notes may be presented or surrendered for payment, and they shall maintain in the continental United States an office or agency (which may be an office of the Trustee or an affiliate of the Trustee, Registrar or co-registrar) where Notes may be surrendered for registration of transfer or for exchange and where notices and demands to or upon the Issuers in respect of the Notes and this Indenture may be served. The Issuers
shall give prompt written notice to the Trustee of the location, and any change in the location, of such office or agency. If at any time the Issuers fail to maintain any such required office or agency or fails to furnish the Trustee with the
address thereof, such presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office of the Trustee. 

The Issuers may also from time to time designate one or more other offices or agencies in the continental United States where the Notes may be
presented or surrendered for any or all such purposes and may from time to time rescind such designations. Further, if at any time there shall be no such office or agency in the City of New York where the Notes may be presented or surrendered for
payment, the Issuers shall forthwith designate and maintain such an office or agency in the City of New York, in order that the Notes shall at all times be payable in the City of New York. The Issuers shall give prompt written notice to the Trustee
of any such designation or rescission and of any change in the location of any such other office or agency. 

  
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 The Issuers hereby designate the Corporate Trust Office of the Trustee as one such office or
agency of the Issuers in accordance with Section 2.03 hereof. 
 Section 4.03 Reports. 

(a) Whether or not required by the rules and regulations of the SEC, so long as any Notes are outstanding, Targa Resources Partners will
furnish to the Holders of Notes or cause the Trustee to furnish to the Holders of Notes (whether through furnishing hard copies or by posting on Targa Resources Partners’ or the SEC’s website), within the time periods specified in the
SEC’s rules and regulations: 
 (1) all quarterly and annual reports that would be required to be filed with the SEC on
Forms 10-Q and 10-K if Targa Resources Partners were required to file such reports; and 

(2) all current reports that would be required to be filed with the SEC on Form 8-K if
Targa Resources Partners were required to file such reports. 
 All such reports will be prepared in all material respects in accordance
with all of the rules and regulations applicable to such reports, including Section 3-10 of Regulation S-X. Each annual report on Form 10-K will include a report on Targa Resources Partners’ consolidated financial statements by Targa Resources Partners’ independent registered public accounting firm. In addition, Targa Resources Partners
will file a copy of each of the reports referred to in clauses (1) and (2) above with the SEC for public availability within the time periods specified in the rules and regulations applicable to such reports (unless the SEC will not accept such
a filing) and will post the reports on its website within those time periods. 
 If, at any time Targa Resources Partners is no longer
subject to the periodic reporting requirements of the Exchange Act for any reason, Targa Resources Partners will nevertheless continue filing the reports specified in the preceding paragraphs of this Section 4.03 with the SEC within the time
periods specified above unless the SEC will not accept such a filing; provided that, for so long as Targa Resources Partners is not subject to the periodic reporting requirements of the Exchange Act for any reason, the time period for filing reports
on Form 8-K shall be 5 Business Days after the event giving rise to the obligation to file such report. Targa Resources Partners will not take any action for the purpose of causing the SEC not to accept any
such filings. If, notwithstanding the foregoing, the SEC will not accept Targa Resources Partners’ filings for any reason, Targa Resources Partners will post the reports referred to in the preceding paragraphs on its website within the time
periods that would apply if Targa Resources Partners were required to file those reports with the SEC. 
 So long as Targa Resources
Partners is a consolidated Subsidiary of Targa (or another parent company) for financial reporting purposes, Targa Resources Partners may satisfy its obligations with respect to SEC reports specified in clauses (1) and (2) of this
Section 4.03(a) by furnishing the corresponding reports of such parent company, within the time periods specified in the SEC’s rules and regulations for filing such corresponding reports; provided,


  
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however, that either (i) such parent company has fully and unconditionally guaranteed the Notes pursuant to a supplemental indenture or (ii) any report of such parent company on
Form 10-K or 10-Q that is furnished pursuant to this Section 4.03(a) includes consolidating information by way of footnotes or otherwise that explains in reasonable
detail the differences between the financial information relating to such parent company and any of its other Subsidiaries, on the one hand, and the financial information relating to Targa Resources Partners and its Subsidiaries, on the other hand.

 (b) Any and all Defaults or Events of Default arising from a failure to furnish or file in a timely manner any report required by this
Section 4.03 shall be deemed cured (and Targa Resources Partners shall be deemed to be in compliance with this Section 4.03) upon furnishing or filing such report as contemplated by this Section 4.03 (but without regard to the date on
which such information or report is so furnished or filed); provided, that such cure shall not otherwise affect the rights of the holders under Article 6 if principal, premium, if any, and interest have been accelerated in accordance with the
terms of this Indenture and such acceleration has not been rescinded or cancelled prior to such cure. 
 (c) For so long as any Notes remain
outstanding, if at any time Targa Resources Partners is not required to file with the SEC the reports required by Section 4.03(a), the Issuers and the Guarantors will furnish to the Holders of Notes and to securities analysts and prospective
investors, upon their request, the information required to be delivered pursuant to Rule 144A(d)(4) under the Securities Act. 
 Section 4.04
Compliance Certificate. 
 (a) The Issuers and each Guarantor (to the extent that such Guarantor is so required under the TIA) shall
deliver to the Trustee, within 120 days after the end of each fiscal year, an Officers’ Certificate stating that a review of the activities of the Issuers and Targa Resources Partners’ Subsidiaries during the preceding fiscal year has been
made under the supervision of the signing Officers with a view to determining whether the Issuers have kept, observed, performed and fulfilled their obligations under this Indenture, and further stating, as to each such Officer signing such
certificate, that to the best of his or her knowledge the Issuers have kept, observed, performed and fulfilled each and every covenant contained in this Indenture and are not in default in the performance or observance of any of the terms,
provisions and conditions of this Indenture (or, if a Default or Event of Default has occurred, describing all such Defaults or Events of Default of which he or she may have knowledge and what action the Issuers are taking or propose to take with
respect thereto). 
 (b) So long as any of the Notes are outstanding, the Issuers and the Guarantors will deliver to the Trustee, promptly
upon any Officer becoming aware of any Default or Event of Default, an Officers’ Certificate specifying such Default or Event of Default and what action the Issuers are taking or propose to take with respect thereto. 

Section 4.05 Taxes. 
 The Issuers
shall pay, and will cause each of Targa Resources Partners’ Subsidiaries to pay, prior to delinquency, all material taxes, assessments, and governmental levies except such as are contested in good faith and by appropriate proceedings or where
the failure to effect such payment is not adverse in any material respect to the Holders of the Notes. 

  
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 Section 4.06 Stay, Extension and Usury Laws. 

The Issuers and each of the Guarantors covenant (to the extent that they may lawfully do so) that they shall not at any time insist upon,
plead, or in any manner whatsoever claim or take the benefit or advantage of, any stay, extension or usury law wherever enacted, now or at any time hereafter in force, that may affect the covenants or the performance of this Indenture; and the
Issuers and each of the Guarantors (to the extent that they may lawfully do so) hereby expressly waive all benefit or advantage of any such law, and covenants that they will not, by resort to any such law, hinder, delay or impede the execution of
any power herein granted to the Trustee, but shall suffer and permit the execution of every such power as though no such law has been enacted. 

Section 4.07 Restricted Payments. 

(a) Targa Resources Partners shall not, and will not permit any of its Restricted Subsidiaries to, directly or indirectly: 

(1) declare or pay any dividend or make any other payment or distribution on account of its outstanding Equity Interests
(including any payment in connection with any merger or consolidation involving Targa Resources Partners or any of its Restricted Subsidiaries) or to the direct or indirect holders of Targa Resources Partners’ or any of its Restricted
Subsidiaries’ Equity Interests in their capacity as such (other than distributions or dividends payable in Equity Interests, excluding Disqualified Equity, of Targa Resources Partners and other than distributions or dividends payable to Targa
Resources Partners or a Restricted Subsidiary); 
 (2) repurchase, redeem or otherwise acquire or retire for value (including
in connection with any merger or consolidation involving Targa Resources Partners) any Equity Interests of Targa Resources Partners, any direct or indirect parent of Targa Resources Partners or any of the Restricted Subsidiaries of Targa Resources
Partners; 
 (3) make any payment on or with respect to, or repurchase, redeem, defease or otherwise acquire or retire for
value any Indebtedness of Targa Resources Partners or any Guarantor that is contractually subordinated to the Notes or to any Note Guarantee (excluding intercompany Indebtedness between or among Targa Resources Partners and any of its Restricted
Subsidiaries), except a payment of interest or principal within one month of the Stated Maturity thereof; or 
 (4) make any
Restricted Investment 
 (all such payments and other actions set forth in these clauses (1) through (4) above being collectively referred to as
“Restricted Payments”), unless, at the time of and after giving effect to such Restricted Payment, no Default (except a Reporting Default) or Event of Default has occurred and is continuing or would occur as a consequence of
such Restricted Payment and either: 

  
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 (1) if the Fixed Charge Coverage Ratio for Targa Resources Partners’
most recently ended four full fiscal quarters for which internal financial statements are available at the time of such Restricted Payment is not less than 1.75 to 1.0, such Restricted Payment, together with the aggregate amount of all other
Restricted Payments made by Targa Resources Partners and its Restricted Subsidiaries (excluding Restricted Payments permitted by clauses (2), (3), (4) (to the extent, in the case of clause (4), payments are made to Targa Resources Partners or a
Restricted Subsidiary), (5), (6), (7) and (8) of Section 4.07(b) hereof) during the quarter in which such Restricted Payment is made, is less than the sum, without duplication, of: 

(A) Available Cash as of the end of the immediately preceding quarter; plus 

(B) 100% of the aggregate net cash proceeds received by Targa Resources Partners (including the Fair Market Value of any
Permitted Business or long-term assets that are used or useful in a Permitted Business to the extent acquired in consideration of Equity Interests of Targa Resources Partners (other than Disqualified Equity)) since the date of the 2008 Indenture as
a contribution to its common equity capital or from the issue or sale of Equity Interests of Targa Resources Partners (other than Disqualified Equity) or from the issue or sale of convertible or exchangeable Disqualified Equity or convertible or
exchangeable debt securities of Targa Resources Partners that have been converted into or exchanged for such Equity Interests (other than Equity Interests (or Disqualified Equity or debt securities) sold to a Subsidiary of Targa Resources Partners);
plus 
 (C) to the extent that any Restricted Investment that was made after the date of the 2008 Indenture is sold
for cash or Cash Equivalents or otherwise liquidated or repaid for cash or Cash Equivalents, the return of capital with respect to such Restricted Investment (less the cost of disposition, if any); plus 

(D) the net reduction in Restricted Investments resulting from dividends, repayments of loans or advances, or other transfers
of assets in each case to Targa Resources Partners or any of its Restricted Subsidiaries from any Person (including Unrestricted Subsidiaries) or from redesignations of Unrestricted Subsidiaries as Restricted Subsidiaries, to the extent such amounts
have not been included in Available Cash for any period commencing on or after the date of the 2008 Indenture (items (b), (c) and (d) being referred to as “Incremental Funds”); minus 

(E) the aggregate amount of Incremental Funds previously expended pursuant to this clause (1) and clause (2) below;
or 
 (2) if the Fixed Charge Coverage Ratio for Targa Resources Partners’ most recently ended four full fiscal quarters
for which internal financial statements are available at the time of such Restricted Payment is less than 1.75 to 1.0, such Restricted Payment, together with the aggregate amount of all other Restricted Payments made by Targa Resources Partners and
its Restricted Subsidiaries (excluding Restricted Payments 

  
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permitted by clauses (2), (3), (4) (to the extent, in the case of clause (4), payments are made to Targa Resources Partners or a Restricted Subsidiary), (5), (6), (7) and (8) of
Section 4.07(b) hereof) during the quarter in which such Restricted Payment is made (such Restricted Payments for purposes of this clause (2) meaning only distributions on preferred units and common units of Targa Resources Partners, plus
the related distribution on the general partner interest), is less than the sum, without duplication, of: 
 (A)
$250.0 million less the aggregate amount of all prior Restricted Payments made by Targa Resources Partners and its Restricted Subsidiaries pursuant to this clause (2)(A) during the period since the date of the 2008 Indenture; plus 

(B) Incremental Funds to the extent not previously expended to this clause (2) or clause (1) above. 

(b) The provisions of Section 4.07(a) hereof shall not prohibit: 

(1) the payment of any dividend or distribution within 60 days after the date of its declaration, if at the date of declaration
the payment would have complied with the provisions of this Indenture; 
 (2) the repurchase, redemption, defeasance or other
acquisition or retirement for value of subordinated Indebtedness of Targa Resources Partners or any Guarantor or of any Equity Interests of Targa Resources Partners or any of its Restricted Subsidiaries in exchange for, or out of the net cash
proceeds of, a substantially concurrent (a) capital contribution to Targa Resources Partners from any Person (other than a Restricted Subsidiary of Targa Resources Partners) or (b) sale (other than to a Restricted Subsidiary of Targa
Resources Partners) of Equity Interests of Targa Resources Partners, with a sale being deemed substantially concurrent if such repurchase, redemption, defeasance or other acquisition or retirement for value occurs not more than 120 days after such
sale; provided that proceeds from sale of Disqualified Equity may only be used to repurchase, redeem, defease or otherwise acquire or retire for value subordinated indebtedness or Disqualified Equity; provided further that the
amount of any such net cash proceeds that are utilized for any such repurchase, redemption, defeasance or other acquisition or retirement for value will be excluded (or deducted, if included) from the calculation of Available Cash and Incremental
Funds; 
 (3) the repurchase, redemption, defeasance or other acquisition or retirement for value of any subordinated
Indebtedness of Targa Resources Partners or any Guarantor with the net cash proceeds from an incurrence of, or in exchange for, Permitted Refinancing Indebtedness; 

(4) the payment of any distribution or dividend by a Restricted Subsidiary of Targa Resources Partners to the holders of its
Equity Interests (other than Disqualified Equity) on a pro rata basis; 

  
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 (5) so long as no Default (except a Reporting Default) has occurred and is
continuing or would be caused thereby, the repurchase, redemption or other acquisition or retirement for value of any Equity Interests of Targa Resources Partners or any Restricted Subsidiary of Targa Resources Partners held by any current or former
officer, director or employee of Targa Resources Partners or any Affiliate of Targa Resources Partners pursuant to any equity subscription agreement or plan, stock or unit option agreement, shareholders’ agreement or similar agreement;
provided that the aggregate price paid for all such repurchased, redeemed, acquired or retired Equity Interests may not exceed $5.0 million in any calendar year; provided further that such amount in any calendar year may be
increased by an amount not to exceed (a) the cash proceeds received by Targa Resources Partners or any of its Restricted Subsidiaries from the sale of Equity Interests of Targa Resources Partners to members of management or directors of Targa
Resources Partners or its Affiliates that occurs after the date of the 2008 Indenture (to the extent the cash proceeds from the sale of such Equity Interests have not otherwise been applied to the payment of Restricted Payments by virtue of clause
(1)(B) or (2)(B) of Section 4.07(a) hereof), plus (b) the cash proceeds of key man life insurance policies received by Targa Resources Partners or any of its Restricted Subsidiaries after the date of the 2008 Indenture; 

(6) so long as no Default (except a Reporting Default) has occurred and is continuing or would be caused thereby, payments of
dividends on Disqualified Equity issued pursuant to Section 4.09 hereof; 
 (7) repurchases of Capital Stock deemed to
occur upon exercise of stock options, warrants or other convertible securities if such Capital Stock represents a portion of the exercise price of such options, warrants or other convertible securities; or 

(8) cash payments in lieu of the issuance of fractional shares in connection with the exercise of warrants, options or other
securities convertible into or exchangeable for Capital Stock of Targa Resources Partners. 
 (c) The amount of all Restricted Payments
(other than cash) will be the Fair Market Value on the date the asset(s) or securities are proposed to be paid, transferred or issued by Targa Resources Partners or such Restricted Subsidiary, as the case may be, pursuant to the Restricted Payment,
except that the Fair Market Value of any non-cash dividend or distribution made within 60 days after the date of declaration will be determined as of such date. The Fair Market Value of any assets or
securities that are required to be valued by this Section 4.07 will be determined, in the case of amounts of no more than $50.0 million, by an Officer of the General Partner and, in the case of amounts over $50.0 million, by the Board
of Directors of the General Partner, whose resolution with respect thereto shall be delivered to the Trustee. For the purposes of determining compliance with this Section 4.07, if a Restricted Payment meets the criteria of more than one of the
categories of Restricted Payments described in the preceding clauses (1)-(8), Targa Resources Partners will be permitted to classify (or reclassify in whole or in part in its sole discretion) such Restricted Payment in any manner that complies with
this Section 4.07. 

  
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 Section 4.08 Dividend and Other Payment Restrictions Affecting Subsidiaries. 

(a) Targa Resources Partners shall not, and will not permit any of its Restricted Subsidiaries to, directly or indirectly, create or permit to exist or become
effective any consensual encumbrance or restriction on the ability of any Restricted Subsidiary to: 
 (1) pay dividends or
make any other distributions on its Equity Interests to Targa Resources Partners or any of its Restricted Subsidiaries or to pay any indebtedness owed to Targa Resources Partners or any of its Restricted Subsidiaries; provided,
however, that the priority that any series of preferred securities of a Restricted Subsidiary has in receiving dividends or liquidating distributions before dividends or liquidating distributions are paid in respect of common securities of
such Restricted Subsidiary shall not constitute a restriction on the ability to make dividends or distributions on Equity Interests for purposes of this covenant so long as the terms of such preferred securities do not expressly restrict the ability
of such Restricted Subsidiary to pay dividends or make distributions on its Equity Interests; 
 (2) make loans or advances
to Targa Resources Partners or any of its Restricted Subsidiaries (it being understood that the subordination of loans or advances made to Targa Resources Partners or any Restricted Subsidiary to other Indebtedness incurred by Targa Resources
Partners or any Restricted Subsidiary shall not be deemed a restriction on the ability to make loans or advances); or 
 (3)
sell, lease or transfer any of its properties or assets to Targa Resources Partners or any of its Restricted Subsidiaries. 
 (b) The
restrictions in Section 4.08(a) hereof will not apply to encumbrances or restrictions existing under or by reason of: 

(1) agreements as in effect on the date of this Indenture and any amendments, restatements, modifications, renewals,
supplements, refundings, replacements or refinancings of those agreements or the Indebtedness to which they relate; provided that the amendments, restatements, modifications, renewals, supplements, refundings, replacements or refinancings are
not materially more restrictive, taken as a whole, with respect to such dividend, distribution and other payment restrictions than those contained in those agreements on the date of this Indenture; 

(2) this Indenture, the Notes and the Note Guarantees; 

(3) applicable law, rule, regulation or order; 

(4) any instrument governing Indebtedness or Equity Interests of a Person acquired by Targa Resources Partners or any of its
Restricted Subsidiaries as in effect at the time of such acquisition (except to the extent such Indebtedness or Equity Interests were incurred in connection with or in contemplation of such acquisition), which encumbrance or restriction is not
applicable to any Person, or the properties or assets of any Person, other than the Person, or the property or assets of the Person, so acquired; provided, however, that, in the case of Indebtedness, the incurrence thereof was
otherwise permitted by the terms of this Indenture; 

  
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 (5) customary non-assignment
provisions contracts for purchase, gathering, processing, fractionating, sale, transportation or exchange of crude oil, natural gas liquids, condensate and natural gas, natural gas storage agreements, in transportation agreements or purchase and
sale or exchange agreements, pipeline or terminaling agreements, or similar operational agreements or in licenses, leases, rights-of-way, easements or servitudes, in
each case entered into in the ordinary course of business; 
 (6) purchase money obligations for property acquired in the
ordinary course of business and Capital Lease Obligations that impose restrictions on the property purchased or leased of the nature described in clause (3) of Section 4.08(a) hereof; 

(7) any agreement for the sale or other disposition of a Restricted Subsidiary that restricts distributions by that Restricted
Subsidiary pending its sale or other disposition; 
 (8) Permitted Refinancing Indebtedness; provided that the
restrictions contained in the agreements governing such Permitted Refinancing Indebtedness are not materially more restrictive, taken as a whole, than those contained in the agreements governing the Indebtedness being refinanced; 

(9) restrictions pursuant to any Permitted Receivables Financing; 

(10) Liens permitted to be incurred under the provisions of Section 4.12 hereof that limit the right of the debtor to
dispose of the assets subject to such Liens; 
 (11) provisions limiting the disposition or distribution of assets or
property in joint venture agreements, asset sale agreements, sale-leaseback agreements, stock sale agreements, buy/sell agreements and other similar agreements entered into in the ordinary course of business; 

(12) any agreement or instrument relating to any property or assets acquired after the date hereof, so long as such encumbrance
or restriction relates only to the property or assets so acquired and is not and was not created in anticipation of such acquisitions; 

(13) restrictions on cash or other deposits or net worth imposed by customers under contracts entered into in the ordinary
course of business; 
 (14) any instrument governing Indebtedness of an FERC Subsidiary, provided that such
Indebtedness was otherwise permitted by this Indenture to be incurred; 
 (15) with respect to any Foreign Subsidiary, any
encumbrance or restriction contained in the terms of any Indebtedness or any agreement pursuant to which such Indebtedness was incurred, if either (a) the encumbrance or restriction applies only in the event of a payment default or a default
with respect to a financial covenant in such Indebtedness or agreement or (b) Targa Resources Partners determines that any such encumbrance or restriction will not materially affect Targa Resources Partners’ ability to make principal or
interest payments on the Notes, as determined in good faith by the Board of Directors of the General Partner, whose determination shall be conclusive; and 

  
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 (16) any other agreement governing Indebtedness of Targa Resources Partners
or any Restricted Subsidiary that is permitted to be incurred by the covenant in Section 4.09 hereof; provided, however, that such encumbrances or restrictions are not materially more restrictive, taken as a whole, than those contained
in this Indenture or the Credit Agreement as it exists on the date of this Indenture. 
 Section 4.09 Incurrence of Indebtedness and Issuance of
Disqualified Equity. 
 (a) Targa Resources Partners shall not, and shall not permit any of its Restricted Subsidiaries to, directly or
indirectly, create, incur, issue, assume, guarantee or otherwise become directly or indirectly liable, contingently or otherwise, with respect to (collectively, “incur”) any Indebtedness (including Acquired Debt), and Targa Resources
Partners will not issue any Disqualified Equity and will not permit any of its Restricted Subsidiaries to issue any Disqualified Equity; provided, however, that Targa Resources Partners and any Restricted Subsidiary may incur Indebtedness (including
Acquired Debt) and Targa Resources Partners and the Restricted Subsidiaries may issue Disqualified Equity, if the Fixed Charge Coverage Ratio for Targa Resources Partners’ most recently ended four full fiscal quarters for which internal
financial statements are available immediately preceding the date on which such additional Indebtedness is incurred or such Disqualified Equity is issued, as the case may be, would have been at least 2.0 to 1.0, determined on a pro forma basis
(including a pro forma application of the net proceeds therefrom), as if the additional Indebtedness had been incurred or the Disqualified Equity had been issued, as the case may be, at the beginning of such four-quarter period. 

(b) The provisions of Section 4.09(a) hereof shall not prohibit the incurrence of any of the following items of Indebtedness
(collectively, “Permitted Debt”) or the issuance of any Disqualified Equity described in clause (ii) below: 

(1) the incurrence by Targa Resources Partners and any Restricted Subsidiary of additional Indebtedness (including letters of
credit) under Credit Facilities, provided that, after giving effect to such incurrence, the aggregate principal amount of all Indebtedness incurred under this clause (1) (with letters of credit being deemed to have a principal amount equal to
the maximum potential liability of Targa Resources Partners and its Restricted Subsidiaries thereunder) and then outstanding does not exceed the greater of (a) $2,000.0 million and (b) the sum of $1.5 billion and 20% of Targa
Resources Partners’ Consolidated Net Tangible Assets; 
 (2) the incurrence by Targa Resources Partners and its
Restricted Subsidiaries of the Existing Indebtedness; 
 (3) the incurrence by Targa Resources Partners, Finance Corp. and
the Guarantors of Indebtedness represented by the Notes and the related Note Guarantees to be issued on the date of this Indenture and any Exchange Notes and the related Note Guarantees that may be issued pursuant to a Registration Rights Agreement;


  
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 (4) the incurrence by Targa Resources Partners or any of its Restricted
Subsidiaries of Indebtedness represented by Capital Lease Obligations, mortgage financings or purchase money obligations, in each case, incurred for the purpose of financing all or any part of the purchase price or cost of construction or
improvement of property, plant or equipment used in the business of Targa Resources Partners or any of its Restricted Subsidiaries, including all Permitted Refinancing Indebtedness incurred to renew, refund, refinance, replace, defease or discharge
any Indebtedness incurred pursuant to this clause (4), provided that after giving effect to such incurrence the aggregate principal amount of all Indebtedness incurred pursuant to this clause (4) and then outstanding does not exceed the
greater of (a) $50.0 million and (b) 4.0% of Targa Resources Partners’ Consolidated Net Tangible Assets; 
 (5) the
incurrence by Targa Resources Partners or any of its Restricted Subsidiaries of Permitted Refinancing Indebtedness in exchange for, or the net proceeds of which are used to renew, refund, refinance, replace, defease or discharge any Indebtedness
(other than intercompany Indebtedness) that was permitted by this Indenture to be incurred under Section 4.09(a) hereof or clause (2) or (3) of this Section 4.09(b) or this clause (5); 

(6) the incurrence by Targa Resources Partners or any of its Restricted Subsidiaries of any Permitted Receivables Financing in
an aggregate principal amount at any time outstanding not to exceed $400.0 million; 
 (7) the incurrence by Targa
Resources Partners or any of its Restricted Subsidiaries of intercompany Indebtedness between or among Targa Resources Partners and any of its Restricted Subsidiaries; provided, however, that: 

(A) if Targa Resources Partners or any Guarantor is the obligor on such Indebtedness and the payee is not Targa Resources
Partners or a Guarantor, such Indebtedness must be expressly subordinated to the prior payment in full in cash of all Obligations then due with respect to the Notes, in the case of Targa Resources Partners, or the Note Guarantee, in the case of a
Guarantor, and 
 (B) (1) any subsequent issuance or transfer of Equity Interests that results in any such Indebtedness
being held by a Person other than Targa Resources Partners or a Restricted Subsidiary of Targa Resources Partners and (2) any sale or other transfer of any such Indebtedness to a Person that is not either Targa Resources Partners or a
Restricted Subsidiary of Targa Resources Partners, will be deemed, in each case, to constitute an incurrence of such Indebtedness by Targa Resources Partners or such Restricted Subsidiary, as the case may be, that was not permitted by this clause
(7); 
 (8) the incurrence by Targa Resources Partners or any of its Restricted Subsidiaries of Hedging Obligations; 

  
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 (9) the guarantee by Targa Resources Partners or any of its Restricted
Subsidiaries of Indebtedness of Targa Resources Partners or a Restricted Subsidiary of Targa Resources Partners that was permitted to be incurred by another provision of this Section 4.09; provided that if the Indebtedness being
guaranteed is subordinated to or pari passu with the Notes, then the Guarantee shall be subordinated or pari passu, as applicable, to the same extent as the Indebtedness guaranteed; 

(10) the incurrence by Targa Resources Partners or any of its Restricted Subsidiaries of obligations relating to net gas
balancing positions arising in the ordinary course of business and consistent with past practice; 
 (11) the incurrence by
Targa Resources Partners or any of its Restricted Subsidiaries of Acquired Debt in connection with a transaction meeting either one of the financial tests set forth in clause (4) under Section 5.01(a); 

(12) the issuance by any of Targa Resources Partners’ Restricted Subsidiaries to Targa Resources Partners or to any of its
Restricted Subsidiaries of any Disqualified Equity; provided, however, that: 
 (A) any subsequent issuance or
transfer of Equity Interests that results in any such Disqualified Equity being held by a Person other than Targa Resources Partners or a Restricted Subsidiary of Targa Resources Partners; and 

(B) any sale or other transfer of any such Disqualified Equity to a Person that is not either Targa Resources Partners or a
Restricted Subsidiary of Targa Resources Partners 
 will be deemed, in each case, to constitute an issuance of such Disqualified Equity by such Restricted
Subsidiary that was not permitted by this clause (12); and 
 (13) the incurrence by Targa Resources Partners or any of its
Restricted Subsidiaries of additional Indebtedness; provided that, after giving effect to any such incurrence, the aggregate principal amount of all Indebtedness incurred under this clause (13) and then outstanding does not exceed the
greater of (a) $150.0 million and (b) 7.5% of Targa Resources Partners’ Consolidated Net Tangible Assets. 
 Targa Resources
Partners shall not incur, and shall not permit Finance Corp. or any Guarantor to incur, any Indebtedness (including Permitted Debt) that is contractually subordinated in right of payment to any other Indebtedness of Targa Resources Partners, Finance
Corp. or such Guarantor unless such Indebtedness is also contractually subordinated in right of payment to the Notes and the applicable Note Guarantee on substantially identical terms; provided, however, that no Indebtedness of a
Person shall be deemed to be contractually subordinated in right of payment to any other Indebtedness of such Person solely by virtue of being unsecured or by virtue of being secured on a first or junior Lien basis. 

For purposes of determining compliance with this Section 4.09, if an item of proposed Indebtedness meets the criteria of more than one of
the categories of Permitted Debt described in clauses (1) through (13) above, or is entitled to be incurred pursuant to Section 4.09(a) hereof, Targa Resources Partners will be permitted to classify such item of Indebtedness on the date of
its incurrence, or later reclassify all or a portion of such item of Indebtedness, in any manner that complies with this Section 4.09. Indebtedness under Credit Facilities outstanding on the date on which Notes are first issued and
authenticated under this Indenture will initially be deemed to have been incurred on such date in reliance on the exception provided by clause (1) of the definition of Permitted Debt. 

  
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 The accrual of interest, the accretion or amortization of original issue discount, the
payment of interest on any Indebtedness in the form of additional Indebtedness with the same terms, the reclassification of preferred stock as Indebtedness due to a change in accounting principles, and the payment of dividends on Disqualified Equity
in the form of additional shares or units of the same class of Disqualified Equity will not be deemed to be an incurrence of Indebtedness or an issuance of Disqualified Equity for purposes of this Section 4.09; provided, however,
in each such case, that the amount of any such accrual, accretion or payment is included in Fixed Charges of Targa Resources Partners as accrued. Notwithstanding any other provision of this Section 4.09, (i) the maximum amount of Indebtedness
that Targa Resources Partners or any Restricted Subsidiary may incur pursuant to this Section 4.09 shall not be deemed to be exceeded solely as a result of fluctuations in exchange rates or currency values. Further, the accounting
reclassification of any obligation of Targa Resources Partners or any of its Restricted Subsidiaries as Indebtedness will not be deemed an incurrence of Indebtedness for purposes of this Section 4.09. 

Section 4.10 Asset Sales. 
 Targa
Resources Partners shall not, and shall not permit any of its Restricted Subsidiaries to, consummate an Asset Sale unless: 

(1) Targa Resources Partners or any of its Restricted Subsidiaries receives consideration at the time of the Asset Sale at
least equal to the Fair Market Value of the assets or Equity Interests issued or sold or otherwise disposed of; 
 (2) such
Fair Market Value is determined by (a) an Officer of the General Partner if the value is less than $50.0 million, as evidenced by an Officers’ Certificate delivered to the Trustee, or (b) the Board of Directors of the General
Partner if the value is $50.0 million or more, as evidenced by a resolution of such Board of Directors of the General Partner; and 

(3) at least 75% of the aggregate consideration received by Targa Resources Partners and its Restricted Subsidiaries in the
Asset Sale and all other Asset Sales since the date of the 2008 Indenture is in the form of cash or Cash Equivalents. For purposes of this provision, each of the following shall be deemed to be cash: 

(A) any liabilities, as shown on Targa Resources Partners’ most recent consolidated balance sheet, of Targa Resources
Partners or any Restricted Subsidiary (other than contingent liabilities and liabilities that are by their terms subordinated to the Notes or any Note Guarantee) that are assumed by the transferee of any such assets pursuant to a novation agreement
that releases Targa Resources Partners or such Restricted Subsidiary from further liability; 

  
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 (B) any Designated Non-cash
Consideration received by Targa Resources Partners or any of its Restricted Subsidiaries in such Asset Sale; provided that the aggregate fair market value of such Designated Non-cash Consideration, taken
together with the Fair Market Value at the time of receipt of all other Designated Non-cash Consideration received pursuant to this clause (B) less the amount of Net Proceeds previously realized in cash
from prior Designated Non-cash Consideration is less than the greater of (x) 5.0% of Targa Resources Partners’ Consolidated Net Tangible Assets at the time of the receipt of such Designated Non-cash Consideration (with the Fair Market Value of each item of Designated Non-cash Consideration being measured at the time received and without giving effect to
subsequent changes in value) and (y) $500.0 million; and 
 (C) any securities, notes or other obligations received by
Targa Resources Partners or any Restricted Subsidiary from such transferee that are within 180 days after the Asset Sale (subject to ordinary settlement periods), converted by Targa Resources Partners or such Restricted Subsidiary into cash or Cash
Equivalents, to the extent of the cash or Cash Equivalents received in that conversion. 
 Within 360 days after the receipt of any Net
Proceeds from an Asset Sale, Targa Resources Partners or any of its Restricted Subsidiaries may apply such Net Proceeds (or enter into a definitive agreement for such application within such 360-day period,
provided that such application occurs within 180 days after the end of such 360-day period): 

(1) to repay Senior Indebtedness of Targa Resources Partners or its Restricted Subsidiaries (or to make an offer to repurchase
or give a notice to redeem such Indebtedness; provided that such repurchase or redemption closes within 45 days after the end of such 360-day period) with a permanent reduction in availability for any
revolving credit Indebtedness; 
 (2) to acquire all or substantially all of the properties or assets of, or any Capital
Stock of, another Permitted Business, if, after giving effect to any such acquisition of Capital Stock, the Permitted Business is or becomes a Restricted Subsidiary of Targa Resources Partners; 

(3) to make a capital expenditure in a Permitted Business; or 

(4) to acquire other assets that are not classified as current assets under GAAP and that are used or useful in a Permitted
Business. 
 Pending the final application of any Net Proceeds, Targa Resources Partners or any Restricted Subsidiary may temporarily reduce
revolving credit borrowings or otherwise invest the Net Proceeds in any manner that is not prohibited by this Indenture. 

  
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 Any Net Proceeds from Asset Sales that are not applied or invested as provided in the second
paragraph of this Section 4.10 will constitute “Excess Proceeds.” When the aggregate amount of Excess Proceeds exceeds $50.0 million, within five days thereof, Targa Resources Partners will make an Asset Sale Offer,
pursuant to Section 3.09, to all Holders of Notes and all holders of other Indebtedness that is pari passu with the Notes containing provisions similar to those set forth in this Indenture with respect to offers to purchase or redeem
with the proceeds of sales of assets to purchase or redeem, on a pro rata basis, the maximum principal amount of Notes and such other pari passu Indebtedness that may be purchased or redeemed out of the Excess Proceeds. The offer price in any
Asset Sale Offer will be equal to 100% of the principal amount plus accrued and unpaid interest and Liquidated Damages, if any, to the date of purchase, subject to the right of Holders of Notes on the relevant record date to receive interest on an
interest payment date that is on or prior to the purchase date, and will be payable in cash. If any Excess Proceeds remain after consummation of an Asset Sale Offer, Targa Resources Partners or any Restricted Subsidiary may use those Excess Proceeds
for any purpose not otherwise prohibited by this Indenture. If the aggregate principal amount of Notes tendered into such Asset Sale Offer exceeds the amount of Excess Proceeds allocated to the purchase of Notes, then the Notes shall be purchased on
a pro rata basis (or, in the case of Global Notes, the Notes represented thereby will be purchased in accordance with the Depositary’s prescribed method) (with such adjustments as may be deemed appropriate by the Issuers so that only
Notes will be purchased in an authorized denomination and integral multiples thereof). Upon completion of each Asset Sale Offer, the amount of Excess Proceeds will be reset at zero. 

In making an Asset Sale Offer Targa Resources Partners will comply with the applicable requirements of Rule
14e-1 under the Exchange Act and other securities laws and regulations. To the extent that the provisions of any securities laws or regulations conflict with the provisions of Section 3.09 hereof or this
Section 4.10, Targa Resources Partners will comply with the applicable securities laws and regulations and will not be deemed to have breached its obligations under Section 3.09 hereof or this Section 4.10 by virtue of such
compliance. 
 Section 4.11 Transactions with Affiliates. 

(a) Targa Resources Partners shall not, and shall not permit any of its Restricted Subsidiaries to, make any payment to, or sell, lease,
transfer or otherwise dispose of any of its properties or assets to, or purchase any property or assets from, or enter into or make or amend any transaction, contract, agreement, understanding, loan, advance or guarantee with, or for the benefit of,
any Affiliate of Targa Resources Partners (individually or as a series of related transactions, an “Affiliate Transaction” involving aggregate payments or consideration in excess of $10.0 million), unless: 

(1) the Affiliate Transaction is on terms that are no less favorable to Targa Resources Partners or the relevant Restricted
Subsidiary than those that would have been obtained in a comparable transaction by Targa Resources Partners or such Restricted Subsidiary with an unrelated Person or, if in the good faith judgment of the Board of Directors of the General Partner, no
comparable transactions are available with which to compare such Affiliate Transaction, such Affiliate Transaction is otherwise fair to Targa Resources Partners or the relevant Restricted Subsidiary from a financial point of view; and 

  
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 (2) Targa Resources Partners delivers to the Trustee, with respect to any
Affiliate Transaction involving aggregate consideration in excess of $50.0 million, a resolution adopted by a majority of the disinterested members of the Board of Directors of the General Partner approving such Affiliate Transaction and set
forth in an Officers’ Certificate certifying that such Affiliate Transaction complies with clause (1) of this Section 4.11(a). 

(b) The following items will not be deemed to be Affiliate Transactions and, therefore, shall not be subject to the provisions of
Section 4.11(a) hereof: 
 (1) any employment agreement, equity award, equity option or equity appreciation agreement or
plan or any similar arrangement entered into by Targa Resources Partners or any of its Restricted Subsidiaries in the ordinary course of business and payments pursuant thereto; 

(2) transactions between or among Targa Resources Partners and/or its Restricted Subsidiaries; 

(3) transactions with a Person (other than an Unrestricted Subsidiary of Targa Resources Partners) that is an Affiliate of
Targa Resources Partners solely because Targa Resources Partners owns, directly or through a Restricted Subsidiary, an Equity Interest in, or controls, such Person; 

(4) any issuance of Equity Interests (other than Disqualified Equity) of Targa Resources Partners to Affiliates of Targa
Resources Partners; 
 (5) Restricted Payments or Permitted Investments that do not violate Section 4.07 hereof; 

(6) transactions entered into as part of a Permitted Receivables Financing; 

(7) customary compensation, indemnification and other benefits made available to officers, directors or employees of Targa
Resources Partners or any Affiliate of Targa Resources Partners, including reimbursement or advancement of out-of-pocket expenses and provisions of officers’ and
directors’ liability insurance; 
 (8) in the case of contracts for purchase, gathering, processing, fractionating,
sale, transportation and marketing of crude oil, natural gas, condensate and natural gas liquids, hedging agreements, and production handling, operating, construction, terminaling, storage, lease, platform use, or other operational contracts, any
such contracts are entered into in the ordinary course of business on terms substantially similar to those contained in similar contracts entered into by Targa Resources Partners or any Restricted Subsidiary and third parties, or if neither Targa
Resources Partners nor any Restricted Subsidiary has entered into a similar contract with a third party, then the terms are no less favorable than those available from third parties on an arm’s-length
basis; 
 (9) loans or advances to employees in the ordinary course of business not to exceed $1.0 million in the
aggregate at any one time outstanding; and 

  
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 (10) the existence of, or the performance by Targa Resources Partners or any
Restricted Subsidiary of its obligations under the terms of, (i) any agreements that (x) are described in the annual report on Form 10-K of Targa Resources Partners for the year ended
December 31, 2018 under the heading “Certain Relationships and Related Party Transactions, and Director Independence” to which it is a party on the terms described in such Annual Report on Form
10-K, (y) are otherwise described in Schedule 4.11 to this Indenture, or (z) form part of an Affiliate Transaction that meets the requirements of subclauses (1) and (2) of Section 4.11(a)
hereof, (ii) any amendments to such agreements and (iii) any similar agreements which it may enter into thereafter; provided, however, that the existence of, or the performance by Targa Resources Partners or any Restricted
Subsidiary of its obligations under, any future amendment to such agreements or under any such similar agreements shall only be permitted by this clause (10) to the extent that the terms of any such amendment or new agreement, taken as a whole,
are either on terms comparable to the agreements referred to in the preceding clause (i) or are not less favorable to the Holders in any material respect. 

Section 4.12 Liens. 
 Targa Resources
Partners will not, and will not permit any of its Restricted Subsidiaries to, create, incur, assume or otherwise cause or suffer to exist or become effective any Lien of any kind (other than Permitted Liens) securing Indebtedness (including any
Attributable Debt) upon any of their respective property or assets, now owned or hereafter acquired, unless all payments due under the Notes or any Note Guarantee of such Restricted Subsidiary, as the case may be, are secured on an equal and ratable
basis or on a senior basis with the Indebtedness so secured until such time as such Indebtedness is no longer secured by a Lien (other than Permitted Liens). 

Section 4.13 [Reserved]. 
 Section 4.14
Corporate Existence. 
 Subject to Article 5 hereof, Targa Resources Partners shall do or cause to be done all things necessary to
preserve and keep in full force and effect: 
 (1) its limited partnership existence, and the corporate, partnership or other
existence of each of its Restricted Subsidiaries, in accordance with the respective organizational documents (as the same may be amended from time to time) of Targa Resources Partners or any such Restricted Subsidiary; and 

(2) the rights (charter and statutory), licenses and franchises of Targa Resources Partners and its Restricted Subsidiaries;

 provided, however, that Targa Resources Partners shall not be required to preserve any such right, license or franchise, or the corporate,
partnership or other existence of any of its Restricted Subsidiaries, if it shall determine that the preservation thereof is no longer desirable in the conduct of the business of Targa Resources Partners and its Restricted Subsidiaries, taken as a
whole, and that the loss thereof is not adverse in any material respect to the Holders of the Notes. 

  
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 Section 4.15 Offer to Repurchase Upon Change of Control Triggering Event. 

(a) Upon the occurrence of a Change of Control Triggering Event, Targa Resources Partners shall make an offer (a “Change of Control
Offer”) to each Holder of Notes to repurchase all or any part (equal to $2,000 or an integral multiple of $1,000 in excess thereof) of that Holder’s Notes at a purchase price in cash equal to at least 101% of the aggregate principal amount
of Notes repurchased, plus accrued and unpaid interest and Liquidated Damages, if any, on the Notes repurchased to, but excluding, the date of purchase, subject to the right of Holders of Notes on the relevant record date to receive interest due on
an interest payment date that is on or prior to the purchase date (the “Change of Control Payment”). Within 30 days following any Change of Control Triggering Event, Targa Resources Partners will send a notice to each Holder describing the
transaction or transactions that constitute the Change of Control Triggering Event and stating: 
 (1) that the Change of
Control Offer is being made pursuant to this Section 4.15 and that all Notes tendered will be accepted for payment; 

(2) the purchase price and the purchase date, which shall be no earlier than 20 Business Days and no later than 60 days from
the date such notice is delivered (the “Change of Control Payment Date”); 
 (3) that any Note not
tendered will continue to accrue interest and Liquidated Damages, if any; 
 (4) that, unless Targa Resources Partners
Default in the payment of the Change of Control Payment, all Notes accepted for payment pursuant to the Change of Control Offer will cease to accrue interest and Liquidated Damages, if any, after the Change of Control Payment Date; 

(5) that Holders electing to have any Notes purchased pursuant to a Change of Control Offer will be required to surrender the
Notes, with the form entitled “Option of Holder to Elect Purchase” attached to the Notes completed, or transfer by book-entry transfer, to the Paying Agent at the address specified in the notice prior to the close of business on the third
Business Day preceding the Change of Control Payment Date; 
 (6) that Holders will be entitled to withdraw their election if
the Paying Agent receives, not later than the close of business on the second Business Day preceding the Change of Control Payment Date, a telegram, telex, facsimile transmission or letter setting forth the name of the Holder, the principal amount
of Notes delivered for purchase, and a statement that such Holder is withdrawing his election to have the Notes purchased; and 

(7) that Holders whose Notes are being purchased only in part will be issued new Notes equal in principal amount to the
unpurchased portion of the Notes surrendered, which unpurchased portion must be equal to $2,000 in principal amount or an integral multiple of $1,000 in excess thereof. 

  
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 Targa Resources Partners shall comply with the requirements of Rule 14e-l under the Exchange Act and any other securities laws and regulations. To the extent that the provisions of any securities laws or regulations conflict with the provisions of this Section 4.15, Targa
Resources Partners shall comply with the applicable securities laws and regulations and will not be deemed to have breached its obligations under this Section 4.15 by virtue of such compliance. 

(b) Promptly following the expiration of the Change of Control Offer, Targa Resources Partners shall, to the extent lawful, accept for payment
all Notes or portions thereof properly tendered pursuant to the Change of Control Offer. Promptly after such acceptance, on the Change of Control Payment Date, Targa Resources Partners will, to the extent lawful: 

(1) deposit with the Paying Agent an amount equal to the Change of Control Payment in respect of all Notes or portions thereof
properly tendered; and 
 (2) deliver or cause to be delivered to the Trustee the Notes properly accepted together with an
Officers’ Certificate stating the aggregate principal amount of Notes or portions thereof being purchased by the Issuers. 
 The Paying
Agent shall promptly mail to each Holder of Notes properly tendered the Change of Control Payment for such Notes (or, to the extent the Notes are in global form, make such payment through the facilities of DTC), and the Trustee will promptly
authenticate and mail (or cause to be transferred by book entry) to each Holder a new Note equal in principal amount to any unpurchased portion of the Notes surrendered; provided that each new Note will be in a principal amount of $2,000 or
an integral multiple of $1,000 in excess thereof. Targa Resources Partners will publicly announce the results of the Change of Control Offer on or as soon as practicable after the Change of Control Payment Date. 

The provisions described above that require the Issuers to make a Change of Control Offer following a Change of Control Triggering Event will
be applicable whether or not any other provisions of this Indenture are applicable. 
 (c) Notwithstanding anything to the contrary in this
Section 4.15, Targa Resources Partners will not be required to make a Change of Control Offer upon a Change of Control Triggering Event if (1) a third party makes the Change of Control Offer in the manner, at the times and otherwise in
compliance with the requirements set forth in this Section 4.15 and purchases all Notes properly tendered and not withdrawn under the Change of Control Offer or (2) notice of redemption has been given pursuant to Section 3.07 hereof,
unless and until there is a default in payment of the applicable redemption price. 
 (d) In the event that Holders of not less than 90% of
the aggregate principal amount of the outstanding Notes accept a Change of Control Offer and Targa Resources Partners (or the third party making the Change of Control Offer as provided in Section 4.15(c)) purchases all of the Notes held by such
Holders, Targa Resources Partners will have the right, upon not less than 10 nor more than 60 days’ prior notice, given not more than 30 days following the purchase pursuant to the Change of Control Offer described above, to redeem all of the
Notes that remain outstanding following such purchase at a redemption price equal to the Change of Control Payment plus, to the extent not included in the Change of Control Payment, accrued and unpaid interest and Liquidated Damages, if any, on the
Notes that remain outstanding, to, but excluding, the date of redemption (subject to the right of Holders on the relevant record date to receive interest due on an interest payment date that is on or prior to the redemption date). 

  
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 (e) A Change of Control Offer may be made in advance of a Change of Control Triggering
Event, and conditioned upon the occurrence of such Change of Control Triggering Event, if a definitive agreement is in place for the Change of Control at the time of making the Change of Control Offer. 

Section 4.16 [Reserved]. 
 Section 4.17
[Reserved]. 
 Section 4.18 Additional Guarantees. 

If, after the date of this Indenture, any Restricted Subsidiary of Targa Resources Partners that is not already a Guarantor guarantees any
Indebtedness of either of the Issuers or any Indebtedness of any Guarantor, or any Domestic Subsidiary, if not then a Guarantor, incurs any Indebtedness under any Credit Facility, then in either case that Subsidiary will become a Guarantor by
executing a supplemental indenture substantially in the form of Exhibit F hereto and delivering it to the Trustee within 20 Business Days of the date on which it guaranteed or incurred such Indebtedness, as the case may be; provided, however, that
the preceding shall not apply to Subsidiaries of Targa Resources Partners that have been properly designated as Unrestricted Subsidiaries in accordance with this Indenture for so long as they continue to constitute Unrestricted Subsidiaries.
Notwithstanding the preceding, any Note Guarantee of a Restricted Subsidiary that was incurred pursuant to this paragraph as a result of its guarantee of any Indebtedness shall be automatically and unconditionally released upon the satisfaction of
the conditions set forth in Section 10.05(c). 
 Section 4.19 Designation of Restricted and Unrestricted Subsidiaries. 

The Board of Directors of the General Partner may designate any Restricted Subsidiary to be an Unrestricted Subsidiary if that designation
would not cause a Default or Event of Default. If a Restricted Subsidiary is designated as an Unrestricted Subsidiary, the aggregate Fair Market Value of all outstanding Investments owned by Targa Resources Partners and its Restricted Subsidiaries
in the Subsidiary designated as Unrestricted will be deemed to be either an Investment made as of the time of the designation that will reduce the amount available for Restricted Payments under Section 4.07 hereof or a Permitted Investment
under one or more clauses of the definition of Permitted Investments, as determined by Targa Resources Partners; provided that any designation will only be permitted if the Investment would be permitted at that time and if the Restricted Subsidiary
otherwise meets the definition of an Unrestricted Subsidiary. 
 Any designation of a Subsidiary of Targa Resources Partners as an
Unrestricted Subsidiary will be evidenced to the Trustee by filing with the Trustee a certified copy of a resolution of the Board of Directors of the General Partner giving effect to such designation and an Officers’ Certificate certifying that
such designation complied with the preceding conditions and was permitted by Section 4.07 hereof. If, at any time, any Unrestricted Subsidiary would fail 

  
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to meet the requirements as an Unrestricted Subsidiary, it will thereafter cease to be an Unrestricted Subsidiary for purposes of this Indenture and any Indebtedness of such Subsidiary will be
deemed to be incurred by a Restricted Subsidiary of Targa Resources Partners as of such date and, if such Indebtedness is not permitted to be incurred as of such date under Section 4.09 hereof, Targa Resources Partners will be in default of
such covenant. 
 Targa Resources Partners may at any time designate any Unrestricted Subsidiary to be a Restricted Subsidiary of Targa
Resources Partners; provided that such designation will be deemed to be an incurrence of Indebtedness by a Restricted Subsidiary of Targa Resources Partners of any outstanding Indebtedness of such Unrestricted Subsidiary, and such designation
will only be permitted if (1) such Indebtedness is permitted under Section 4.09 hereof, calculated on a pro forma basis as if such designation had occurred at the beginning of the four-quarter reference period; and (2) no Default or
Event of Default would be in existence following such designation. 
 Section 4.20 Termination of Covenants. 

If at any time (a) the rating assigned to the Notes by either of the Rating Agencies is an Investment Grade Rating and (b) no Default
or Event of Default has occurred and is then continuing under this Indenture, then upon the Issuers’ giving notice to the Trustee of such event Targa Resources Partners and its Restricted Subsidiaries will no longer be subject to the following
provisions of this Indenture: 
  

	 	(1)	 Section 4.10; 


  

	 	(2)	 Section 4.07; 


  

	 	(3)	 Section 4.08; 


  

	 	(4)	 Section 4.09; 


  

	 	(5)	 Section 4.11; 


  

	 	(6)	 Section 4.19; and 



 

	 	(7)	 Section 5.01(a)(4). 



To effect such termination, Targa Resources Partners shall deliver to the Trustee an Officers’ Certificate certifying to the satisfaction
of the conditions precedent to such termination. Once such termination has occurred, Targa Resources Partners may not designate any of its Subsidiaries as Unrestricted Subsidiaries pursuant to the definition of “Unrestricted Subsidiary” in
Section 1.01 hereof. 

  
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 ARTICLE 5 

SUCCESSORS 
 Section 5.01 Merger,
Consolidation, or Sale of Assets. 
 (a) Neither of the Issuers may, directly or indirectly: (1) consolidate or merge with or into
another Person (whether or not such Issuer is the surviving entity); or (2) sell, assign, transfer, lease, convey or otherwise dispose of all or substantially all of the properties or assets of Targa Resources Partners and its Subsidiaries,
taken as a whole, in one or more related transactions, to another Person, unless: 
 (1) either: 

(A) such Issuer is the surviving entity; or 

(B) the Person formed by or surviving any such consolidation or merger (if other than such Issuer) or to which such sale,
assignment, transfer, lease, conveyance or other disposition has been made is a Person organized or existing under the laws of the United States, any state of the United States or the District of Columbia; provided, however, that
Finance Corp. may not consolidate or merge with or into any Person other than a corporation satisfying such requirement so long as Targa Resources Partners is not a corporation; 

(2) the Person formed by or surviving any such consolidation or merger (if other than such Issuer) or the Person to which such
sale, assignment, transfer, lease, conveyance or other disposition has been made assumes all the obligations of such Issuer under the Notes, this Indenture and each Registration Rights Agreement pursuant to a supplemental indenture or other
agreement reasonably satisfactory to the Trustee; 
 (3) immediately after such transaction, no Default or Event of Default
exists; 
 (4) in the case of a transaction involving Targa Resources Partners and not Finance Corp., Targa Resources
Partners or the Person formed by or surviving any such consolidation or merger (if other than Targa Resources Partners), or to which such sale, assignment, transfer, lease, conveyance or other disposition has been made, will, either: 

(A) be, on the date of such transaction after giving pro forma effect thereto and any related financing transactions as if the
same had occurred at the beginning of the applicable four-quarter period, permitted to incur at least $1.00 of additional Indebtedness pursuant to the Fixed Charge Coverage Ratio test set forth in Section 4.09(a); or 

(B) have a Fixed Charge Coverage Ratio, on the date of such transaction and after giving pro forma effect thereto and any
related financing transactions as if the same had occurred at the beginning of the applicable four-quarter period, not less than the Fixed Charge Coverage Ratio of Targa Resources Partners immediately prior to such transaction; and 

  
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 (5) such Issuer has delivered to the Trustee an Officers’ Certificate
and an Opinion of Counsel, each stating that such consolidation, merger or disposition and such supplemental indenture or other agreement (if any) comply with this Indenture and all conditions precedent therein relating to such transaction have been
satisfied; 
 provided that clause (4) shall not apply to any sale of assets of a Restricted Subsidiary to Targa Resources Partners or another
Restricted Subsidiary or the merger or consolidation of a Restricted Subsidiary into any Restricted Subsidiary or Targa Resources Partners. 

(b) Notwithstanding Section 5.01(a), Targa Resources Partners is permitted to reorganize as any other form of entity in accordance with
the procedures established in this Indenture; provided that: 
 (1) the reorganization involves the conversion (by
merger, sale, legal conversion, contribution or exchange of assets or otherwise) of Targa Resources Partners into a form of entity other than a limited partnership formed under Delaware law; 

(2) the entity so formed by or resulting from such reorganization is an entity organized or existing under the laws of the
United States, any state thereof or the District of Columbia; 
 (3) the entity so formed by or resulting from such
reorganization assumes all the obligations of Targa Resources Partners under the Notes, this Indenture and each Registration Rights Agreement pursuant to agreements reasonably satisfactory to the Trustee; 

(4) immediately after such reorganization no Default or Event of Default exists; and 

(5) such reorganization is not materially adverse to the Holders of the Notes (for purposes of this clause (5) it is
stipulated that such reorganization shall not be considered materially adverse to the Holders of the Notes solely because the successor or survivor of such reorganization (a) is subject to U.S. federal or state income taxation as an entity or
(b) is considered to be an “includible corporation” of an affiliated group of corporations within the meaning of Section 1504(b)(i) of the Internal Revenue Code of 1986, as amended, or any similar state or local law). 

(c) A Guarantor may not sell or otherwise dispose of all or substantially all of its properties or assets to, or consolidate with or merge
with or into (whether or not such Guarantor is the surviving Person), another Person, other than Targa Resources Partners or another Guarantor, except as permitted by Sections 10.04 and 10.05 hereof. 

Section 5.02 Successor Person Substituted. 

Upon any consolidation or merger, or any sale, assignment, transfer, lease, conveyance or other disposition of all or substantially all of the
properties or assets of Targa Resources Partners in a transaction that is subject to, and that complies with the provisions of, Section 5.01 hereof, the successor Person formed by such consolidation or into or with which


  
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Targa Resources Partners is merged or to which such sale, assignment, transfer, lease, conveyance or other disposition is made shall succeed to, and be substituted for (so that from and after the
date of such consolidation, merger, sale, assignment, transfer, lease, conveyance or other disposition, the provisions of this Indenture referring to the “Targa Resources Partners” shall refer instead to the successor Person and not to
Targa Resources Partners), and may exercise every right and power of Targa Resources Partners under this Indenture with the same effect as if such successor Person had been named as Targa Resources Partners herein. 

ARTICLE 6 
 DEFAULTS AND
REMEDIES 
 Section 6.01 Events of Default. 

Each of the following is an “Event of Default”: 

(1) default for 30 days in the payment when due of interest on, or Liquidated Damages, if any, with respect to, the Notes; 

(2) default in the payment when due (at fixed maturity, upon redemption or otherwise) of the principal of, or premium, if any,
on, the Notes; 
 (3) failure by the Issuers or the Guarantors to make a Change of Control Offer or an Asset Sale Offer
within the time periods set forth, or to consummate a purchase of Notes when required pursuant to the terms described in Sections 4.15 or 4.10 or comply with the provisions of Section 5.01 hereof; 

(4) failure by Targa Resources Partners for 90 days after notice to comply with the provisions of Section 4.03 hereof;

 (5) failure by the Issuers or the Guarantors for 60 days after written notice to comply with any of the other agreements
in this Indenture; 
 (6) default under any mortgage, indenture or instrument under which there may be issued or by which
there may be secured or evidenced any Indebtedness for money borrowed by Targa Resources Partners or any of its Restricted Subsidiaries (or the payment of which is guaranteed by Targa Resources Partners or any of its Restricted Subsidiaries),
whether such Indebtedness or Guarantee now exists, or is created after the date of this Indenture, if that default: 
 (A) is
caused by a failure to pay principal of, or interest or premium, if any, on, such Indebtedness prior to the expiration of the grace period provided in such Indebtedness on the date of such default (a “Payment Default”); or

 (B) results in the acceleration of such Indebtedness prior to its express maturity, 

  
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 and, in each case, the principal amount of any such Indebtedness, together with the
principal amount of any other such Indebtedness under which there has been a Payment Default or the maturity of which has been so accelerated, aggregates in excess of 3.0% of Targa Resources Partners’ Consolidated Net Tangible Assets;
provided, however, that if, prior to any acceleration of the Notes, (i) any such Payment Default is cured or waived, (ii) any such acceleration of such Indebtedness is rescinded, or (iii) such Indebtedness is repaid
during the 30 day period commencing upon the end of any applicable grace period for such Payment Default or the occurrence of such acceleration of such Indebtedness, as applicable, any Default or Event of Default (but not any acceleration) caused by
such Payment Default or acceleration of such Indebtedness shall automatically be rescinded, so long as such rescission does not conflict with any judgment, decree or applicable law; 

(7) failure by an Issuer or any of Targa Resources Partners’ Restricted Subsidiaries to pay final judgments entered by a
court or courts of competent jurisdiction aggregating in excess of 3.0% of Targa Resources Partners’ Consolidated Net Tangible Assets, which judgments are not paid, discharged or stayed for a period of 60 days; 

(8) an Issuer or any of Targa Resources Partners’ Restricted Subsidiaries that is a Significant Subsidiary or any group of
Restricted Subsidiaries of Targa Resources Partners that, taken together, would constitute a Significant Subsidiary pursuant to or within the meaning of Bankruptcy Law: 

(A) commences a voluntary case, 

(B) consents to the entry of an order for relief against it in an involuntary case, 

(C) consents to the appointment of a custodian of it or for all or substantially all of its property, 

(D) makes a general assignment for the benefit of its creditors, or 

(E) generally is not paying its debts as they become due; 

(9) a court of competent jurisdiction enters an order or decree under any Bankruptcy Law that: 

(A) is for relief against an Issuer or any of Targa Resources Partners’ Restricted Subsidiaries that is a Significant
Subsidiary or any group of Restricted Subsidiaries of the Targa Resources Partners that, taken together, would constitute a Significant Subsidiary in an involuntary case; 

(B) appoints a custodian of an Issuer or any of Targa Resources Partners’ Restricted Subsidiaries that is a Significant
Subsidiary or any group of Restricted Subsidiaries of Targa Resources Partners that, taken together, would constitute a Significant Subsidiary or for all or substantially all of the property of an Issuer or any of Targa Resources Partners’
Restricted Subsidiaries that is a Significant Subsidiary or any group of Restricted Subsidiaries of Targa Resources Partners that, taken together, would constitute a Significant Subsidiary; or 

  
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 (C) orders the liquidation of an Issuer or any of Targa Resources
Partners’ Restricted Subsidiaries that is a Significant Subsidiary or any group of Restricted Subsidiaries of Targa Resources Partners that, taken together, would constitute a Significant Subsidiary; 

and the order or decree remains unstayed and in effect for 60 consecutive days; and 

(10) except as permitted by this Indenture, any Note Guarantee is held in any judicial proceeding to be unenforceable or
invalid or ceases for any reason to be in full force and effect, or any Guarantor, or any Person acting on behalf of any Guarantor, denies or disaffirms its Obligations under its Note Guarantee. 

Section 6.02 Acceleration. 
 In the
case of an Event of Default specified in clause (8) or (9) of Section 6.01 hereof, with respect to Finance Corp., Targa Resources Partners or any Restricted Subsidiary of Targa Resources Partners that is a Significant Subsidiary or any
group of Restricted Subsidiaries of Targa Resources Partners that, taken together, would constitute a Significant Subsidiary, all outstanding Notes will become due and payable immediately without further action or notice. If any other Event of
Default occurs and is continuing, the Trustee or the Holders of at least 25% in aggregate principal amount of the then outstanding Notes may declare, by notice in writing to the Issuers, all the Notes to be due and payable immediately. 

Upon any such declaration, the Notes shall become due and payable immediately. 

The Holders of a majority in aggregate principal amount of the then outstanding Notes by notice to the Trustee may, on behalf of the Holders
of all of the Notes, rescind an acceleration or waive any existing Default or Event of Default and its consequences under this Indenture except a continuing Default or Event of Default in the payment of interest or premium or Liquidated Damages, if
any, on, or the principal of, the Notes. 
 Section 6.03 Other Remedies. 

If an Event of Default occurs and is continuing, the Trustee may pursue any available remedy to collect the payment of principal, premium and
Liquidated Damages, if any, and interest on the Notes or to enforce the performance of any provision of the Notes or this Indenture. 
 The
Trustee may maintain a proceeding even if it does not possess any of the Notes or does not produce any of them in the proceeding. A delay or omission by the Trustee or any Holder of a Note in exercising any right or remedy accruing upon an Event of
Default shall not impair the right or remedy or constitute a waiver of or acquiescence in the Event of Default. All remedies are cumulative to the extent permitted by law. 

  
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 Section 6.04 Waiver of Past Defaults. 

Holders of not less than a majority in aggregate principal amount of the then outstanding Notes by notice to the Trustee may on behalf of the
Holders of all of the Notes waive an existing Default or Event of Default and its consequences hereunder, except a continuing Default or Event of Default in the payment of the principal of, premium and Liquidated Damages, if any, or interest on, the
Notes (including in connection with an offer to purchase); provided, however, that the Holders of a majority in aggregate principal amount of the then outstanding Notes may rescind an acceleration and its consequences, including any related payment
default that resulted from such acceleration. Upon any such waiver, such Default shall cease to exist, and any Event of Default arising therefrom shall be deemed to have been cured for every purpose of this Indenture; but no such waiver shall extend
to any subsequent or other Default or impair any right consequent thereon. 
 Section 6.05 Control by Majority. 

Holders of a majority in aggregate principal amount of the then outstanding Notes may direct the time, method and place of conducting any
proceeding for exercising any remedy available to the Trustee or exercising any trust or power conferred on it. However, the Trustee may refuse to follow any direction that conflicts with law or this Indenture that the Trustee determines may be
unduly prejudicial to the rights of other Holders of Notes or that may involve the Trustee in personal liability. 
 Section 6.06 Limitation on
Suits. 
 A Holder may pursue a remedy with respect to this Indenture or the Notes only if: 

(1) such Holder gives to the Trustee written notice that an Event of Default is continuing; 

(2) Holders of at least 25% in aggregate principal amount of the then outstanding Notes make a written request to the Trustee
to pursue the remedy; 
 (3) such Holder or Holders offer and, if requested, provide to the Trustee security or indemnity
reasonably satisfactory to the Trustee against any loss, liability or expense; 
 (4) the Trustee does not comply with the
request within 60 days after receipt of the request and the offer of security or indemnity; and 
 (5) during such 60-day period, Holders of a majority in aggregate principal amount of the then outstanding Notes do not give the Trustee a direction inconsistent with such request. 

A Holder of a Note may not use this Indenture to prejudice the rights of another Holder of a Note or to obtain a preference or priority over
another Holder of a Note. 

  
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 Section 6.07 Rights of Holders of Notes to Receive Payment. 

Notwithstanding any other provision of this Indenture, the right of any Holder of a Note to receive payment of principal, premium and
Liquidated Damages, if any, and interest on the Note, on or after the respective due dates expressed in the Note (including in connection with an offer to purchase), or to bring suit for the enforcement of any such payment on or after such
respective dates, shall not be impaired or affected without the consent of such Holder. 
 Section 6.08 Collection Suit by Trustee. 

If an Event of Default specified in Section 6.01(1) or (2) hereof occurs and is continuing, the Trustee is authorized to recover
judgment in its own name and as trustee of an express trust against the Issuers for the whole amount of principal of, premium and Liquidated Damages, if any, and interest remaining unpaid on, the Notes and interest on overdue principal and, to the
extent lawful, interest and such further amount as shall be sufficient to cover the costs and expenses of collection, including the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel. 

Section 6.09 Trustee May File Proofs of Claim. 

The Trustee is authorized to file such proofs of claim and other papers or documents as may be necessary or advisable in order to have the
claims of the Trustee (including any claim for the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel) and the Holders of the Notes allowed in any judicial proceedings relative to the Issuers (or any
other obligor upon the Notes), their creditors or their property and shall be entitled and empowered to collect, receive and distribute any money or other property payable or deliverable on any such claims and any custodian in any such judicial
proceeding is hereby authorized by each Holder to make such payments to the Trustee, and in the event that the Trustee shall consent to the making of such payments directly to the Holders, to pay to the Trustee any amount due to it for the
reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel, and any other amounts due the Trustee under Section 7.07 hereof. To the extent that the payment of any such compensation, expenses,
disbursements and advances of the Trustee, its agents and counsel, and any other amounts due the Trustee under Section 7.07 hereof out of the estate in any such proceeding, shall be denied for any reason, payment of the same shall be secured by
a Lien on, and shall be paid out of, any and all distributions, dividends, money, securities and other properties that the Holders may be entitled to receive in such proceeding whether in liquidation or under any plan of reorganization or
arrangement or otherwise. Nothing herein contained shall be deemed to authorize the Trustee to authorize or consent to or accept or adopt on behalf of any Holder any plan of reorganization, arrangement, adjustment or composition affecting the Notes
or the rights of any Holder, or to authorize the Trustee to vote in respect of the claim of any Holder in any such proceeding. 

  
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 Section 6.10 Priorities. 

If the Trustee collects any money or property pursuant to this Article 6, it shall pay out the money or property in the following order: 

First: to the Trustee, its agents and attorneys for amounts due under Section 7.07 hereof, including payment of all
compensation, expenses and liabilities incurred, and all advances made, by the Trustee and the costs and expenses of collection; 

Second: to Holders of Notes for amounts due and unpaid on the Notes for principal, premium and Liquidated Damages, if
any, and interest, ratably, without preference or priority of any kind, according to the amounts due and payable on the Notes for principal, premium and Liquidated Damages, if any, and interest, respectively; and 

Third: to the Issuers or to such party as a court of competent jurisdiction shall direct. 

The Trustee may fix a record date and payment date for any payment to Holders of Notes pursuant to this Section 6.10. 

Section 6.11 Undertaking for Costs. 

In any suit for the enforcement of any right or remedy under this Indenture or in any suit against the Trustee for any action taken or omitted
by it as a Trustee, a court in its discretion may require the filing by any party litigant in the suit of an undertaking to pay the costs of the suit, and the court in its discretion may assess reasonable costs, including reasonable attorneys’
fees, against any party litigant in the suit, having due regard to the merits and good faith of the claims or defenses made by the party litigant. This Section 6.11 does not apply to a suit by the Trustee, a suit by a Holder of a Note pursuant
to Section 6.07 hereof, or a suit by Holders of more than 10% in aggregate principal amount of the then outstanding Notes. 
 ARTICLE
7 
 TRUSTEE 
 Section 7.01 Duties
of Trustee. 
 (a) If an Event of Default has occurred and is continuing, the Trustee will exercise such of the rights and powers vested
in it by this Indenture, and use the same degree of care and skill in its exercise thereof, as a prudent person would exercise or use under the circumstances in the conduct of such person’s own affairs. 

(b) Except during the continuance of an Event of Default: 

(1) the duties of the Trustee will be determined solely by the express provisions of this Indenture and the Trustee need
perform only those duties that are specifically set forth in this Indenture and no others, and no implied covenants or obligations shall be read into this Indenture against the Trustee; and 

(2) in the absence of bad faith on its part, the Trustee may conclusively rely, as to the truth of the statements and the
correctness of the opinions expressed therein, upon certificates or opinions furnished to the Trustee and conforming to the requirements of this Indenture. However, the Trustee will examine the certificates and opinions to determine whether or not
they conform to the requirements of this Indenture. 

  
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 (c) The Trustee may not be relieved from liabilities for its own negligent action, its own
negligent failure to act, or its own willful misconduct, except that: 
 (1) this paragraph does not limit the effect of
paragraph (b) of this Section 7.01; 
 (2) the Trustee will not be liable for any error of judgment made in good
faith by a Responsible Officer; 
 (3) the Trustee will not be liable with respect to any action it takes or omits to take in
good faith in accordance with a direction received by it pursuant to Section 6.05 hereof; and 
 (4) The Trustee may
refuse to perform any duty or exercise any right or power that would require it to expend its own funds or risk any liability if it shall reasonably believe that repayment of such funds or adequate indemnity against such risk is not reasonably
assured to it. 
 (d) Whether or not therein expressly so provided, every provision of this Indenture that in any way relates to the Trustee
is subject to paragraphs (a), (b), and (c) of this Section 7.01. 
 (e) The Trustee will not be liable for interest on any money
received by it except as the Trustee may agree in writing with the Issuers. Money held in trust by the Trustee need not be segregated from other funds except to the extent required by law. 

Section 7.02 Rights of Trustee. 
 (a)
The Trustee may conclusively rely upon any document believed by it to be genuine and to have been signed or presented by the proper Person. The Trustee need not investigate any fact or matter stated in the document. 

(b) Before the Trustee acts or refrains from acting, it may require an Officers’ Certificate or an Opinion of Counsel or both. The
Trustee will not be liable for any action it takes or omits to take in good faith in reliance on such Officers’ Certificate or Opinion of Counsel. The Trustee may consult with counsel and the written advice of such counsel or any Opinion of
Counsel will be full and complete authorization and protection from liability in respect of any action taken, suffered or omitted by it hereunder in good faith and in reliance thereon. 

(c) The Trustee may act through its attorneys and agents and will not be responsible for the misconduct or negligence of any agent appointed
with due care. 

  
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 (d) The Trustee will not be liable for any action it takes or omits to take in good faith
that it believes to be authorized or within the rights or powers conferred upon it by this Indenture. 
 (e) Unless otherwise specifically
provided in this Indenture, any demand, request, direction or notice from the Issuers will be sufficient if signed by an Officer of each of the Issuers. 

(f) The Trustee will be under no obligation to exercise any of the rights or powers vested in it by this Indenture at the request or direction
of any of the Holders unless such Holders have offered to the Trustee reasonable indemnity or security against the losses, liabilities and expenses that might be incurred by it in compliance with such request or direction. 

Section 7.03 Individual Rights of Trustee. 

The Trustee in its individual or any other capacity may become the owner or pledgee of Notes and may otherwise deal with the Issuers or any
Affiliate of the Issuers with the same rights it would have if it were not Trustee. However, in the event that the Trustee acquires any conflicting interest (as defined in the TIA) after a Default has occurred and is continuing it must eliminate
such conflict within 90 days, apply to the SEC for permission to continue as trustee (if this Indenture has been qualified under the TIA) or resign. Any Agent may do the same with like rights and duties. The Trustee is also subject to Sections 7.10
and 7.11 hereof. 
 Section 7.04 Trustee’s Disclaimer. 

The Trustee will not be responsible for and makes no representation as to the validity or adequacy of this Indenture or the Notes, it shall not
be accountable for the Issuers’ use of the proceeds from the Notes or any money paid to the Issuers or upon the Issuers’ direction under any provision of this Indenture, it will not be responsible for the use or application of any money
received by any Paying Agent other than the Trustee, and it will not be responsible for any statement or recital herein or any statement in the Notes or any other document in connection with the sale of the Notes or pursuant to this Indenture other
than its certificate of authentication. 
 Section 7.05 Notice of Defaults. 

If a Default or Event of Default occurs and is continuing and if it is known to the Trustee, the Trustee will send to Holders of Notes a notice
of the Default or Event of Default within 90 days after it occurs. Except in the case of a Default or Event of Default in payment of principal of, premium or Liquidated Damages, if any, or interest on, any Note, the Trustee may withhold the notice
if and so long as a committee of its Responsible Officers in good faith determines that withholding the notice is in the interests of the Holders of the Notes. 

Section 7.06 Reports by Trustee to Holders of the Notes. 

Within 60 days after each May 15 beginning with the May 15 following the date of this Indenture, and for so long as Notes remain
outstanding, the Trustee will send to the Holders of the Notes a brief report dated as of such reporting date that complies with TIA § 313(a) (but if no event described in TIA § 313(a) has occurred within the twelve months preceding the
reporting date, no report need be transmitted). The Trustee also will comply with TIA § 313(b)(2). The Trustee will also transmit all reports as required by TIA § 313(c). 

  
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 A copy of each report at the time it is sent to the Holders of Notes will be sent by the
Trustee to the Issuers and filed by the Trustee with the SEC and each stock exchange on which the Notes are listed in accordance with TIA § 313(d). The Issuers will promptly notify the Trustee when the Notes are listed on any stock exchange.

 Section 7.07 Compensation and Indemnity. 

(a) The Issuers will pay to the Trustee from time to time reasonable compensation for its acceptance of this Indenture and services hereunder.
The Trustee’s compensation will not be limited by any law on compensation of a trustee of an express trust. The Issuers will reimburse the Trustee promptly upon request for all reasonable disbursements, advances and expenses incurred or made by
it in addition to the compensation for its services. Such expenses will include the reasonable compensation, disbursements and expenses of the Trustee’s agents and counsel. 

(b) The Issuers and the Guarantors will indemnify the Trustee against any and all losses, liabilities or expenses incurred by it arising out of
or in connection with the acceptance or administration of its duties under this Indenture, including the costs and expenses of enforcing this Indenture against the Issuers and the Guarantors (including this Section 7.07) and defending itself
against any claim (whether asserted by the Issuers, the Guarantors, any Holder or any other Person) or liability in connection with the exercise or performance of any of its powers or duties hereunder, except to the extent any such loss, liability
or expense may be attributable to its negligence or bad faith. The Trustee will notify the Issuers promptly of any claim for which it may seek indemnity. Failure by the Trustee to so notify the Issuers will not relieve the Issuers or any of the
Guarantors of their obligations hereunder except to the extent that the Issuers are materially prejudiced by such failure to promptly provide notice. The Issuers or such Guarantor will defend the claim and the Trustee will cooperate in the defense.
The Trustee may have separate counsel and the Issuers will pay the reasonable fees and expenses of such counsel. Neither the Issuers nor any Guarantor need pay for any settlement made without its consent, which consent will not be unreasonably
withheld. 
 (c) The obligations of the Issuers and the Guarantors under this Section 7.07 will survive the satisfaction and discharge
of this Indenture. 
 (d) To secure the Issuers’ and the Guarantors’ payment obligations in this Section 7.07, the Trustee
will have a Lien prior to the Notes on all money or property held or collected by the Trustee, except that held in trust to pay principal, premium, if any, Liquidated Damages, if any, and interest on particular Notes. Such Lien will survive the
satisfaction and discharge of this Indenture. 
 (e) When the Trustee incurs expenses or renders services after an Event of Default specified
in Section 6.01(8) or (9) hereof occurs, the expenses and the compensation for the services (including the fees and expenses of its agents and counsel) are intended to constitute expenses of administration under any Bankruptcy Law. 

  
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 (f) The Trustee will comply with the provisions of TIA § 313(b)(2) to the extent
applicable. 
 Section 7.08 Replacement of Trustee. 

(a) A resignation or removal of the Trustee and appointment of a successor Trustee will become effective only upon the successor Trustee’s
acceptance of appointment as provided in this Section 7.08. 
 (b) The Trustee may resign in writing at any time and be discharged from
the trust hereby created by so notifying the Issuers; and any such notice shall set forth the effective date of the Trustee’s resignation. The Holders of a majority in aggregate principal amount of the then outstanding Notes may remove the
Trustee by so notifying the Trustee and the Issuers in writing. The Issuers may remove the Trustee if: 
 (1) the Trustee
fails to satisfy the requirements of Section 7.10 hereof; 
 (2) the Trustee is adjudged a bankrupt or an insolvent or
an order for relief is entered with respect to the Trustee under any Bankruptcy Law; 
 (3) a custodian or public officer
takes charge of the Trustee or its property; or 
 (4) the Trustee becomes incapable of acting. 

(c) If the Trustee resigns or is removed or if a vacancy exists in the office of Trustee for any reason, the Issuers will promptly appoint a
successor Trustee. Within one year after the successor Trustee takes office, the Holders of a majority in aggregate principal amount of the then outstanding Notes may appoint a successor Trustee to replace the successor Trustee appointed by the
Issuers. 
 (d) If a successor Trustee does not take office within 60 days after the retiring Trustee resigns or is removed, the retiring
Trustee, the Issuers, or the Holders of at least 10% in aggregate principal amount of the then outstanding Notes may petition any court of competent jurisdiction for the appointment of a successor Trustee. 

(e) If the Trustee, after written request by any Holder who has been a Holder for at least six months, fails to satisfy the requirements of
Section 7.10 hereof, such Holder may petition any court of competent jurisdiction for the removal of the Trustee and the appointment of a successor Trustee. 

(f) A successor Trustee will deliver a written acceptance of its appointment to the retiring Trustee and to the Issuers. Thereupon, the
resignation or removal of the retiring Trustee will become effective, and the successor Trustee will have all the rights, powers and duties of the Trustee under this Indenture. The successor Trustee will send a notice of its succession to Holders.
The retiring Trustee will promptly transfer all property held by it as Trustee to the successor Trustee; provided all sums owing to the Trustee hereunder have been paid and subject to the Lien provided for in Section 7.07 hereof.
Notwithstanding replacement of the Trustee pursuant to this Section 7.08, the Issuers’ obligations under Section 7.07 hereof will continue for the benefit of the retiring Trustee. 

  
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 Section 7.09 Successor Trustee by Merger, etc. 

If the Trustee consolidates, merges or converts into, or sells or otherwise transfers all or substantially all of its corporate trust business
to, another corporation, the successor corporation without any further act will be the successor Trustee. 
 Section 7.10 Eligibility;
Disqualification. 
 There will at all times be a Trustee hereunder that is a corporation organized and doing business under the laws of
the United States of America or of any state thereof that is authorized under such laws to exercise corporate trustee power, that is subject to supervision or examination by federal or state authorities and that has a combined capital and surplus of
at least $100.0 million as set forth in its most recent published annual report of condition. 
 This Indenture will always have a
Trustee who satisfies the requirements of TIA § 310(a)(1), (2) and (5). The Trustee is subject to TIA § 310(b). 
 Section 7.11
Preferential Collection of Claims Against the Issuers. 
 The Trustee is subject to TIA § 311(a), excluding any creditor
relationship listed in TIA § 311(b). A Trustee who has resigned or been removed shall be subject to TIA § 311(a) to the extent indicated therein. 

ARTICLE 8 
 LEGAL
DEFEASANCE AND COVENANT DEFEASANCE 
 Section 8.01 Option to Effect Legal Defeasance or Covenant Defeasance. 

The Issuers may, at their option and at any time, elect to have either Section 8.02 or 8.03 hereof be applied to all outstanding Notes and
Note Guarantees upon compliance with the conditions set forth below in this Article 8. 
 Section 8.02 Legal Defeasance and Discharge. 

Upon the Issuers’ exercise under Section 8.01 hereof of the option applicable to this Section 8.02, the Issuers and each of the
Guarantors will, subject to the satisfaction of the conditions set forth in Section 8.04 hereof, be deemed to have been discharged from their obligations with respect to all outstanding Notes (including the Note Guarantees) on the date the
conditions set forth below are satisfied (hereinafter, “Legal Defeasance”). For this purpose, Legal Defeasance means that the Issuers and the Guarantors will be deemed to have paid and discharged the entire Indebtedness represented by the
outstanding Notes (including the Note Guarantees), which will thereafter be deemed to be “outstanding” only for the purposes of Section 8.05 hereof and the other Sections of this Indenture referred to in clauses (1) and (2)
below, and to have satisfied all their other obligations under such Notes, the Note Guarantees and this Indenture (and the Trustee, on demand of and at the expense of the Issuers, shall execute proper instruments acknowledging the same), except for
the following provisions which will survive until otherwise terminated or discharged hereunder: 

  
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 (1) the rights of Holders of outstanding Notes to receive payments in
respect of the principal of, or interest or premium and Liquidated Damages, if any, on, such Notes when such payments are due from the trust referred to in Section 8.04 hereof; 

(2) the Issuers’ obligations with respect to the Notes concerning issuing temporary Notes, registration of Notes,
mutilated, destroyed, lost or stolen Notes and the maintenance of an office or agency for payment and money for security payments held in trust; 

(3) the rights, powers, trusts, duties and immunities of the Trustee hereunder and the Issuers’ and the Guarantors’
obligations in connection therewith; and 
 (4) this Article 8. 

Subject to compliance with this Article 8, the Issuers may exercise their option under this Section 8.02 notwithstanding the prior
exercise of its option under Section 8.03 hereof. 
 Section 8.03 Covenant Defeasance. 

Upon the Issuers’ exercise under Section 8.01 hereof of the option applicable to this Section 8.03, the Issuers and each of the
Guarantors will, subject to the satisfaction of the conditions set forth in Section 8.04 hereof, be released from each of their obligations under the covenants contained in Sections 3.09, 4.03, 4.04 (except for paragraph (a) thereof to the
extent required by the TIA), 4.05, 4.07, 4.08, 4.09, 4.10, 4.11, 4.12, 4.15, 4.18 and 4.19 hereof and clause (4) of Section 5.01 hereof with respect to the outstanding Notes, and the Guarantors will be released from their obligations with
respect to the Note Guarantees, on and after the date the conditions set forth in Section 8.04 hereof are satisfied (hereinafter, “Covenant Defeasance”), and the Notes will thereafter be deemed not “outstanding” for the
purposes of any direction, waiver, consent or declaration or act of Holders (and the consequences of any thereof) in connection with such covenants, but will continue to be deemed “outstanding” for all other purposes hereunder (it being
understood that such Notes will not be deemed outstanding for accounting purposes to the extent permitted by GAAP). For this purpose, Covenant Defeasance means that, with respect to the outstanding Notes and Note Guarantees, the Issuers and the
Guarantors may omit to comply with and will have no liability in respect of any term, condition or limitation set forth in any such covenant, whether directly or indirectly, by reason of any reference elsewhere herein to any such covenant or by
reason of any reference in any such covenant to any other provision herein or in any other document and such omission to comply will not constitute a Default or an Event of Default under Section 6.01 hereof, but, except as specified above, the
remainder of this Indenture and such Notes and Note Guarantees will be unaffected thereby. In addition, upon the Issuers’ exercise under Section 8.01 hereof of the option applicable to this Section 8.03, subject to the satisfaction of
the conditions set forth in Section 8.04 hereof, Sections 6.01(3) through 6.01(7) inclusive and Section 6.01(10) will not constitute Events of Default. 

  
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 Section 8.04 Conditions to Legal or Covenant Defeasance. 

In order to exercise either Legal Defeasance or Covenant Defeasance under either Section 8.02 or 8.03 hereof: 

(1) the Issuers must irrevocably deposit with the Trustee, in trust, for the benefit of the Holders of the Notes, cash in U.S.
dollars, non-callable Government Securities, or a combination of cash in U.S. dollars and non-callable Government Securities, in amounts as will be sufficient, in the
opinion of a nationally recognized investment bank, appraisal firm or firm of independent public accountants, to pay the principal of, or interest and premium and Liquidated Damages, if any, on the outstanding Notes to their fixed maturity date or
to the applicable Redemption Date, as the case may be, and the Issuers must specify whether the Notes are being defeased to their fixed maturity date or to a particular Redemption Date; 

(2) in the case of an election under Section 8.02 hereof, the Issuers must deliver to the Trustee an Opinion of Counsel
reasonably acceptable to the Trustee confirming that: 
 (A) the Issuers have received from, or there has been published by,
the Internal Revenue Service a ruling; or 
 (B) since the date of this Indenture, there has been a change in the applicable
U.S. federal income tax law, 
 in either case to the effect that, and based thereon such Opinion of Counsel shall confirm that, the Holders
of the outstanding Notes will not recognize income, gain or loss for U.S. federal income tax purposes as a result of such Legal Defeasance and will be subject to U.S. federal income tax on the same amounts, in the same manner and at the same times
as would have been the case if such Legal Defeasance had not occurred; 
 (3) in the case of an election under
Section 8.03 hereof, the Issuers must deliver to the Trustee an Opinion of Counsel reasonably acceptable to the Trustee confirming that the Holders of the outstanding Notes will not recognize income, gain or loss for U.S. federal income tax
purposes as a result of such Covenant Defeasance and will be subject to U.S. federal income tax on the same amounts, in the same manner and at the same times as would have been the case if such Covenant Defeasance had not occurred; 

(4) no Default or Event of Default shall have occurred and be continuing on the date of such deposit (other than a Default or
Event of Default resulting from the borrowing of funds to be applied to such deposit) (and any similar concurrent deposit relating to other Indebtedness) and the granting of Liens to secure such Indebtedness); 

  
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 (5) such Legal Defeasance or Covenant Defeasance will not result in a breach
or violation of, or constitute a default under, any material agreement or instrument (other than this Indenture and the agreements governing any other Indebtedness being defeased, discharged or replaced) to which Targa Resources Partners or any of
its Subsidiaries is a party or by which Targa Resources Partners or any of its Subsidiaries is bound; 
 (6) the Issuers must
deliver to the Trustee an Officers’ Certificate stating that the deposit was not made by the Issuers with the intent of preferring the Holders of Notes over the other creditors of the Issuers with the intent of defeating, hindering, delaying or
defrauding any creditors of the Issuers or others; and 
 (7) the Issuers must deliver to the Trustee an Officers’
Certificate and an Opinion of Counsel, each stating that all conditions precedent relating to the Legal Defeasance or the Covenant Defeasance have been complied with. 

Section 8.05 Deposited Money and Government Securities to Be Held in Trust; Other Miscellaneous Provisions. 

Subject to Section 8.06 hereof, all money and non-callable Government Securities (including the
proceeds thereof) deposited with the Trustee (or other qualifying trustee, collectively for purposes of this Section 8.05, the “Trustee”) pursuant to Section 8.04 hereof in respect of the outstanding Notes will be held in trust
and applied by the Trustee, in accordance with the provisions of such Notes and this Indenture, to the payment, either directly or through any Paying Agent (including either Issuer acting as Paying Agent) as the Trustee may determine, to the Holders
of such Notes of all sums due and to become due thereon in respect of principal, premium and Liquidated Damages, if any, and interest, but such money need not be segregated from other funds except to the extent required by law. 

The Issuers will pay and indemnify the Trustee against any tax, fee or other charge imposed on or assessed against the cash or non-callable Government Securities deposited pursuant to Section 8.04 hereof or the principal and interest received in respect thereof other than any such tax, fee or other charge which by law is for the
account of the Holders of the outstanding Notes. 
 Notwithstanding anything in this Article 8 to the contrary, the Trustee will deliver or
pay to the Issuers from time to time upon the request of the Issuers any money or non-callable Government Securities held by it as provided in Section 8.04 hereof which, in the opinion of a nationally
recognized investment bank, appraisal firm or firm of independent public accountants expressed in a written certification thereof delivered to the Trustee (which may be the opinion delivered under Section 8.04(1) hereof), are in excess of the
amount thereof that would then be required to be deposited to effect an equivalent Legal Defeasance or Covenant Defeasance. 
 Section 8.06
Repayment to the Issuers. 
 Any money deposited with the Trustee or any Paying Agent, or then held by the Issuers, in trust for the
payment of the principal of, premium or Liquidated Damages, if any, or interest on, any defeased Note and remaining unclaimed for two years after such principal, premium or Liquidated Damages, if any, or interest has become due and payable shall be
paid to 

  
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the Issuers on their request or (if then held by the Issuers) will be discharged from such trust; and the Holder of such Note will thereafter be permitted to look only to the Issuers for payment
thereof, and all liability of the Trustee or such Paying Agent with respect to such trust money, and all liability of the Issuers as trustee thereof, will thereupon cease; provided, however, that, if any defeased Notes then outstanding are in
definitive form, the Trustee or such Paying Agent, before being required to make any such repayment, may at the expense of the Issuers cause to be published once, in The New York Times and The Wall Street Journal (national edition), notice that such
money remains unclaimed and that, after a date specified therein, which will not be less than 30 days from the date of such notification or publication, any unclaimed balance of such money then remaining will be repaid to the Issuers. 

Section 8.07 Reinstatement. 
 If the
Trustee or Paying Agent is unable to apply any U.S. dollars or non-callable Government Securities in accordance with Section 8.02 or 8.03 hereof, as the case may be, by reason of any order or judgment of
any court or governmental authority enjoining, restraining or otherwise prohibiting such application, then the Issuers’ and the Guarantors’ obligations under this Indenture and the defeased Notes and the Note Guarantees will be revived and
reinstated as though no deposit had occurred pursuant to Section 8.02 or 8.03 hereof until such time as the Trustee or Paying Agent is permitted to apply all such money in accordance with Section 8.02 or 8.03 hereof, as the case may be;
provided, however, that, if the Issuers make any payment of principal of, premium or Liquidated Damages, if any, or interest on, any Note following the reinstatement of their obligations, the Issuers will be subrogated to the rights of the Holders
of such Notes to receive such payment from the money held by the Trustee or Paying Agent. 
 ARTICLE 9 

AMENDMENT, SUPPLEMENT AND WAIVER 

Section 9.01 Without Consent of Holders of Notes. 

Notwithstanding Section 9.02 of this Indenture, the Issuers, the Guarantors and the Trustee may amend or supplement this Indenture or the
Notes or the Note Guarantees without the consent of any Holder of Notes: 
 (1) to cure any ambiguity, defect or
inconsistency; 
 (2) to provide for uncertificated Notes in addition to or in place of certificated Notes; 

(3) to provide for the assumption of the Issuers’ or a Guarantor’s obligations to the Holders of the Notes and Note
Guarantees in the case of a merger or consolidation or sale of all or substantially all of the Issuers’ or such Guarantors’ properties or assets, as applicable; 

(4) to make any change that would provide any additional rights or benefits to the Holders of the Notes or that does not
adversely affect the legal rights hereunder of any such Holder; 

  
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 (5) to comply with requirements of the SEC in order to effect or maintain
the qualification of this Indenture under the TIA; 
 (6) to conform the text of this Indenture or the Note Guarantees to any
provision of the “Description of Notes” section of the Issuers’ Offering Memorandum to the extent that such text of this Indenture or the Note Guarantees was intended to reflect such provision of the “Description of Notes”;

 (7) to provide for the issuance of Additional Notes in accordance with the limitations set forth in this Indenture as of
the date hereof; 
 (8) to allow any Guarantor to execute a supplemental indenture and/or a notation of Note Guarantee with
respect to the Notes or to reflect the addition or release of a Note Guarantee in accordance with this Indenture; 
 (9) to
secure the Notes and/or the Note Guarantees; or 
 (10) to provide for the reorganization of Targa Resources Partners as any
other form of entity, in accordance with Section 5.01(b). 
 Upon the request of the Issuers, and upon receipt by the Trustee of the
documents described in Section 9.06 hereof, the Trustee will join with the Issuers and the Guarantors in the execution of any amended or supplemental indenture authorized or permitted by the terms of this Section 9.01 and to make any
further appropriate agreements and stipulations that may be therein contained, but the Trustee will not be obligated to enter into such amended or supplemental indenture that affects its own rights, duties or immunities under this Indenture or
otherwise. 
 Section 9.02 With Consent of Holders of Notes. 

Except as provided below in this Section 9.02, the Issuers, the Guarantors and the Trustee may amend or supplement this Indenture
(including Sections 3.09, 4.10 and 4.15 hereof) and the Notes and the Note Guarantees with the consent of the Holders of a majority in aggregate principal amount of the then outstanding Notes (including Additional Notes, if any) voting as a single
class (including, without limitation, consents obtained in connection with a tender offer or exchange offer for, or purchase of, the Notes), and, subject to Sections 6.04 and 6.07 hereof, any existing Default or Event of Default or compliance with
any provision of this Indenture or the Notes or the Note Guarantees may be waived with the consent of the Holders of a majority in aggregate principal amount of the then outstanding Notes (including, without limitation, Additional Notes, if any)
voting as a single class (including, without limitation, consents obtained in connection with a tender offer or exchange offer for, or purchase of, the Notes). Section 2.08 hereof shall determine which Notes are considered to be
“outstanding” for purposes of this Section 9.02. 
 Upon the request of the Issuers accompanied by resolutions of their
Boards of Directors authorizing the execution of any such amended or supplemental indenture, and upon the filing with the Trustee of evidence satisfactory to the Trustee of the consent of the Holders of Notes as aforesaid, and upon receipt by the
Trustee of the documents described in Section 9.06 hereof, the Trustee will join with the Issuers and the Guarantors in the execution of such amended or supplemental indenture unless such amended or supplemental indenture directly affects the
Trustee’s own rights, duties or immunities under this Indenture or otherwise, in which case the Trustee may in its discretion, but will not be obligated to, enter into such amended or supplemental Indenture. 

  
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 It is not necessary for the consent of the Holders of Notes under this Section 9.02 to
approve the particular form of any proposed amendment, supplement or waiver, but it is sufficient if such consent approves the substance thereof. 

After an amendment, supplement or waiver under this Section 9.02 becomes effective, the Issuers will send to the Holders of Notes
affected thereby a notice briefly describing the amendment, supplement or waiver. Any failure of the Issuers to send such notice, or any defect therein, will not, however, in any way impair or affect the validity of any such amended or supplemental
indenture or waiver. 
 However, without the consent of each Holder affected, an amendment, supplement or waiver under this
Section 9.02 may not (with respect to any Notes held by a non-consenting Holder): 

(1) reduce the principal amount of Notes whose Holders must consent to an amendment, supplement or waiver; 

(2) reduce the principal of or change the fixed maturity of any Note or alter the provisions with respect to the redemption or
repurchase of the Notes (other than provisions relating to minimum required notice of optional redemption or those provisions relating to Sections 3.09, 4.10 or 4.15 hereof); 

(3) reduce the rate of or change the time for payment of interest, including default interest, on any Note; 

(4) waive a Default or Event of Default in the payment of principal of, or interest or premium or Liquidated Damages, if any,
on the Notes (except a rescission of acceleration of the Notes by the Holders of a majority in aggregate principal amount of the then outstanding Notes and a waiver of the payment default that resulted from such acceleration); 

(5) make any Note payable in money other than that stated in the Notes; 

(6) make any change in the provisions of this Indenture relating to waivers of past Defaults or Events of Default or the rights
of Holders of Notes to receive payments of, principal of, or interest or premium or Liquidated Damages, if any, on, the Notes (other than as permitted by clause (7) below); 

(7) waive a redemption or repurchase payment with respect to any Note (other than a payment required by Sections 4.10 or 4.15
hereof); 
 (8) release any Guarantor from any of its obligations under its Note Guarantee or this Indenture, except in
accordance with the terms of this Indenture; or 

  
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 (9) make any change in the preceding amendment, supplement and waiver
provisions. 
 Section 9.03 Compliance with Trust Indenture Act. 

Every amendment or supplement to this Indenture or the Notes will be set forth in an amended or supplemental indenture that complies with the
TIA as then in effect. 
 Section 9.04 Revocation and Effect of Consents. 

Until an amendment, supplement or waiver becomes effective, a consent to it by a Holder of a Note is a continuing consent by the Holder of a
Note and every subsequent Holder of a Note or portion of a Note that evidences the same debt as the consenting Holder’s Note, even if notation of the consent is not made on any Note. However, any such Holder of a Note or subsequent Holder of a
Note may revoke the consent as to its Note if the Trustee receives written notice of revocation before the date the amendment, supplement or waiver becomes effective. An amendment, supplement or waiver becomes effective in accordance with its terms
and thereafter binds every Holder; except as provided in the last paragraph of Section 9.02. 
 Section 9.05 Notation on or Exchange of
Notes. 
 The Trustee may place an appropriate notation about an amendment, supplement or waiver on any Note thereafter authenticated.
The Issuers in exchange for all Notes may issue and the Trustee shall, upon receipt of a Company Order, authenticate new Notes that reflect the amendment, supplement or waiver. 

Failure to make the appropriate notation or issue a new Note will not affect the validity and effect of such amendment, supplement or waiver.

 Section 9.06 Trustee to Sign Amendments, etc. 

The Trustee will sign any amended or supplemental indenture authorized pursuant to this Article 9 if the amendment or supplement does not
adversely affect the rights, duties, liabilities or immunities of the Trustee. The Issuers may not sign an amended or supplemental indenture until the Boards of Directors of each of the Issuers approves it. In executing any amended or supplemental
indenture, the Trustee will be entitled to receive and (subject to Section 7.01 hereof) will be fully protected in relying upon, in addition to the documents required by Section 12.04 hereof, an Officers’ Certificate and an Opinion of
Counsel stating that the execution of such amended or supplemental indenture is authorized or permitted by this Indenture. In the case of any amendment or supplement pursuant to Section 9.01(6) hereof, such Officers’ Certificate shall
include a certification that the conforming change being made to this Indenture reflects the intent of the Issuers and the Initial Purchasers. 

  
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 ARTICLE 10 

NOTE GUARANTEES 
 Section 10.01
Guarantee. 
 (a) Subject to this Article 10, each of the Guarantors hereby, jointly and severally, unconditionally guarantees to each
Holder of a Note authenticated and delivered by the Trustee and to the Trustee and its successors and assigns, irrespective of the validity and enforceability of this Indenture, the Notes or the obligations of the Issuers hereunder or thereunder,
that: 
 (1) the principal of, premium and Liquidated Damages, if any, and interest on, the Notes will be promptly paid in
full when due, whether at Stated Maturity, by acceleration, redemption or otherwise, and interest on the overdue principal of and interest on the Notes, if any, if lawful, and all other obligations of the Issuers to the Holders or the Trustee
hereunder or thereunder will be promptly paid in full or performed, all in accordance with the terms hereof and thereof; and 

(2) in case of any extension of time of payment or renewal of any Notes or any of such other obligations, that same will be
promptly paid in full when due or performed in accordance with the terms of the extension or renewal, whether at Stated Maturity, by acceleration or otherwise. 

Failing payment when due of any amount so guaranteed or any performance so guaranteed for whatever reason, the Guarantors will be jointly and
severally obligated to pay the same immediately. Each Guarantor agrees that this is a guarantee of payment and not a guarantee of collection. 

(b) The Guarantors hereby agree that their obligations hereunder are unconditional, irrespective of the validity, regularity or enforceability
of the Notes or this Indenture, the absence of any action to enforce the same, any waiver or consent by any Holder of the Notes with respect to any provisions hereof or thereof, the recovery of any judgment against the Issuers, any action to enforce
the same or any other circumstance which might otherwise constitute a legal or equitable discharge or defense of a guarantor. Each Guarantor hereby waives diligence, presentment, demand of payment, filing of claims with a court in the event of
insolvency or bankruptcy of the Issuers, any right to require a proceeding first against the Issuers, protest, notice and all demands whatsoever and covenant that this Note Guarantee will not be discharged except by complete performance of the
obligations contained in the Notes and this Indenture. 
 (c) If any Holder or the Trustee is required by any court or otherwise to return to
the Issuers, the Guarantors or any custodian, trustee, liquidator or other similar official acting in relation to either the Issuers or the Guarantors, any amount paid by either to the Trustee or such Holder, this Note Guarantee, to the extent
theretofore discharged, will be reinstated in full force and effect. 

  
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 (d) Each Guarantor agrees that it will not be entitled to any right of subrogation in
relation to the Holders in respect of any obligations guaranteed hereby until payment in full of all obligations guaranteed hereby. Each Guarantor further agrees that, as between the Guarantors, on the one hand, and the Holders and the Trustee, on
the other hand, (1) the maturity of the obligations guaranteed hereby may be accelerated as provided in Article 6 hereof for the purposes of this Note Guarantee, notwithstanding any stay, injunction or other prohibition preventing such
acceleration in respect of the obligations guaranteed hereby, and (2) in the event of any declaration of acceleration of such obligations as provided in Article 6 hereof, such obligations (whether or not due and payable) will forthwith become
due and payable by the Guarantors for the purpose of this Note Guarantee. The Guarantors will have the right to seek contribution from any non-paying Guarantor so long as the exercise of such right does not
impair the rights of the Holders under the Note Guarantee. 
 Section 10.02 Limitation on Guarantor Liability. 

Each Guarantor, and by its acceptance of Notes, each Holder, hereby confirms that it is the intention of all such parties that the Note
Guarantee of such Guarantor not constitute a fraudulent transfer or conveyance for purposes of Bankruptcy Law, the Uniform Fraudulent Conveyance Act, the Uniform Fraudulent Transfer Act or any similar federal or state law to the extent applicable to
any Note Guarantee. To effectuate the foregoing intention, the Trustee, the Holders and the Guarantors hereby irrevocably agree that the obligations of such Guarantor will be limited to the maximum amount that will, after giving effect to such
maximum amount and all other contingent and fixed liabilities of such Guarantor that are relevant under such laws, and after giving effect to any collections from, rights to receive contribution from or payments made by or on behalf of any other
Guarantor in respect of the obligations of such other Guarantor under this Article 10, result in the obligations of such Guarantor under its Note Guarantee not constituting a fraudulent transfer or conveyance. 

Section 10.03 Execution and Delivery of Note Guarantee. 

To evidence its Note Guarantee set forth in Section 10.01 hereof, each Guarantor hereby agrees that a notation of such Note Guarantee
substantially in the form attached as Exhibit E hereto will be endorsed by an Officer of such Guarantor on each Note authenticated and delivered by the Trustee and that this Indenture will be executed on behalf of such Guarantor by one of its
Officers. 
 Each Guarantor hereby agrees that its Note Guarantee set forth in Section 10.01 hereof will remain in full force and
effect notwithstanding any failure to endorse on each Note a notation of such Note Guarantee. 
 If an Officer whose signature is on this
Indenture or on the notation of Note Guarantee no longer holds that office at the time the Trustee authenticates the Note on which a notation of Note Guarantee is endorsed, the Note Guarantee will be valid nevertheless. 

The delivery of any Note by the Trustee, after the authentication thereof hereunder, will constitute due delivery of the Note Guarantee set
forth in this Indenture on behalf of the Guarantors. 

  
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 In the event that the Issuers or any of Targa Resources Partners’ Restricted
Subsidiaries creates or acquires any Domestic Subsidiary after the date of this Indenture, if required by Section 4.18 hereof, the Issuers will cause such Domestic Subsidiary to comply with the provisions of Section 4.18 hereof and this
Article 10, to the extent applicable. 
 Section 10.04 Guarantors May Consolidate, etc., on Certain Terms. 

No Guarantor may sell or otherwise dispose of all or substantially all of its properties or assets to, or consolidate with or merge with or
into (whether or not such Guarantor is the surviving Person) another Person, other than Targa Resources Partners or another Guarantor, unless: 

(1) immediately after giving effect to such transaction, no Default or Event of Default exists; and 

(2) either: 

(A) the Person acquiring the properties or assets in any such sale or other disposition or the Person formed by or surviving
any such consolidation or merger (other than the Guarantor) unconditionally assumes all the obligations of that Guarantor under this Indenture, its Note Guarantee and each Registration Rights Agreement on the terms set forth herein or therein,
pursuant to a supplemental indenture substantially in the form of Exhibit F hereto or other agreement reasonably satisfactory to the Trustee; or 

(B) such sale or other disposition does not violate the applicable provisions of this Indenture, including without limitation,
Section 4.10 hereof. 
 In case of any such consolidation, merger, sale or other disposition and upon the assumption by the successor
Person, by supplemental indenture, executed and delivered to the Trustee, of such obligations, such successor Person will succeed to and be substituted for the Guarantor with the same effect as if it had been named herein as a Guarantor. Such
successor Person thereupon may cause to be signed any or all of the notations of Note Guarantees to be endorsed upon all of the Notes issuable hereunder which theretofore shall not have been signed by the Issuers and delivered to the Trustee. All
the Note Guarantees so issued will in all respects have the same legal rank and benefit under this Indenture as the Note Guarantees theretofore and thereafter issued in accordance with the terms of this Indenture as though all of such Note
Guarantees had been issued at the date of the execution hereof. 
 Section 10.05 Releases. 

(a) In the event of any sale or other disposition of all or substantially all of the properties or assets of any Guarantor, by way of merger,
consolidation or otherwise, or a sale or other disposition of Capital Stock of any Guarantor, in each case to a Person that is not (either before or after giving effect to such transactions) Targa Resources Partners or a Restricted Subsidiary of
Targa Resources Partners, then such Guarantor will be released and relieved of any obligations under its Note Guarantee and all of its other obligations under this Indenture; provided that such sale or other disposition does not violate the
provisions of Section 4.10 

  
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hereof, and such Guarantor ceases to be a Restricted Subsidiary of Targa Resources Partners in the case of and as a result of the sale or other disposition of its Capital Stock. Upon delivery by
the Issuers to the Trustee of an Officers’ Certificate and an Opinion of Counsel to the effect that the Note Guarantee of such Guarantor has been released in accordance with this Section 10.05, the Trustee will execute any documents
reasonably required in order to evidence the release of such Guarantor from its obligations under its Note Guarantee and all of its other obligations under this Indenture. 

(b) Upon designation of any Guarantor as an Unrestricted Subsidiary in accordance with the terms of this Indenture, such Guarantor will be
released and relieved of any obligations under its Note Guarantee and all of its other obligations under this Indenture. 
 (c) A Guarantor
will be released and relieved of any obligations under its Note Guarantee and all of its other obligations under this Indenture at such time as that Guarantor ceases to guarantee any other Indebtedness of an Issuer or another Guarantor,
provided that, if it is also a Domestic Subsidiary, it is no longer an obligor with respect to any Indebtedness under any Credit Facility. 

(d) Upon Legal or Covenant Defeasance in accordance with Article 8 hereof or satisfaction and discharge of this Indenture in accordance with
Article 11 hereof, each Guarantor will be released and relieved of any obligations under its Note Guarantee and all of its other obligations under this Indenture. 

Any Guarantor not released from its obligations under its Note Guarantee as provided in this Section 10.05 will remain liable for the
full amount of principal of and interest and premium and Liquidated Damages, if any, on the Notes and for the other obligations of such Guarantor under this Indenture as provided in this Article 10. 

ARTICLE 11 
 SATISFACTION
AND DISCHARGE 
 Section 11.01 Satisfaction and Discharge. 

This Indenture will be discharged and will cease to be of further effect as to all Notes issued hereunder (except as to surviving rights of
registration, transfer or exchange of the Notes and as otherwise specified in this Indenture), when: 
 (1) either: 

(A) all Notes that have been authenticated, except lost, stolen or destroyed Notes that have been replaced or paid and Notes
for whose payment money has theretofore been deposited in trust and thereafter repaid to the Issuers, have been delivered to the Trustee for cancellation; or 

  
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 (B) all Notes that have not been delivered to the Trustee for cancellation
have become due and payable or will become due and payable within one year by reason of the giving of a notice of redemption or otherwise and the Issuers or any Guarantor has irrevocably deposited or caused to be deposited with the Trustee as trust
funds in trust solely for the benefit of the Holders, cash in U.S. dollars, non-callable Government Securities, or a combination of cash in U.S. dollars and non-callable
Government Securities, in amounts as will be sufficient, without consideration of any reinvestment of interest, to pay and discharge the entire Indebtedness on the Notes not delivered to the Trustee for cancellation for principal, premium and
Liquidated Damages, if any, and accrued interest to the date of fixed maturity or redemption; 
 (2) in the case of clause
(1)(B) above, no Event of Default has occurred and is continuing on the date of such deposit (other than an Event of Default resulting from the borrowing of funds to be applied to such deposit and any similar deposit relating to other Indebtedness
and, in each case, the granting of Liens to secure such borrowings) and the deposit will not result in a breach or violation of, or constitute a default under, any instrument (other than this Indenture and the agreements governing any other
Indebtedness that is being defeased, discharged or replaced) to which Targa Resources Partners or any Guarantor is a party or by which Targa Resources Partners or any Guarantor is bound; 

(3) the Issuers or any Guarantor has paid or caused to be paid all sums payable by it under this Indenture; and 

(4) the Issuers have delivered irrevocable instructions to the Trustee under this Indenture to apply the deposited money toward
the payment of the Notes at fixed maturity or on the Redemption Date, as the case may be. 
 In addition, the Issuers must deliver an
Officers’ Certificate and an Opinion of Counsel to the Trustee stating that all conditions precedent to satisfaction and discharge have been satisfied. 

Notwithstanding the satisfaction and discharge of this Indenture, if money has been deposited with the Trustee pursuant to subclause
(b) of clause (1) of this Section 11.01, the provisions of Sections 11.02 and 8.06 hereof will survive. In addition, nothing in this Section 11.01 will be deemed to discharge those provisions of Section 7.07 hereof that, by
their terms, survive the satisfaction and discharge of this Indenture. 
 Section 11.02 Application of Trust Money. 

Subject to the provisions of Section 8.06 hereof, all money deposited with the Trustee pursuant to Section 11.01 hereof shall be held
in trust and applied by it, in accordance with the provisions of the Notes and this Indenture, to the payment, either directly or through any Paying Agent (including either Issuer acting as Paying Agent) as the Trustee may determine, to the Persons
entitled thereto, of the principal (and premium and Liquidated Damages, if any) and interest for whose payment such money has been deposited with the Trustee; but such money need not be segregated from other funds except to the extent required by
law. 

  
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 If the Trustee or Paying Agent is unable to apply any money or Government Securities in
accordance with Section 11.01 hereof by reason of any legal proceeding or by reason of any order or judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, the Issuers’ and any
Guarantor’s obligations under this Indenture and the Notes shall be revived and reinstated as though no deposit had occurred pursuant to Section 11.01 hereof, provided that if the Issuers have made any payment of principal of,
premium or Liquidated Damages, if any, or interest on, any Notes because of the reinstatement of its obligations, the Issuers shall be subrogated to the rights of the Holders of such Notes to receive such payment from the money or Government
Securities held by the Trustee or Paying Agent. 
 ARTICLE 12 

MISCELLANEOUS 
 Section 12.01 Trust
Indenture Act Controls. 
 If any provision of this Indenture limits, qualifies or conflicts with the duties imposed by TIA § 318(c)
in relation to indentures qualified under the TIA, the imposed duties will control, irrespective of whether or not this Indenture is qualified under the TIA. 

Section 12.02 Notices. 
 Any notice
or communication by the Issuers, any Guarantor or the Trustee to the others is duly given if in writing in the English language and delivered in Person or by first class mail (registered or certified, return receipt requested), facsimile
transmission or overnight air courier guaranteeing next day delivery, to the others’ address: 
 If to the Issuers and/or any
Guarantor: 
 Targa Resources Partners LP 

Targa Resources Partners Finance Corporation 

811 Louisiana St., Suite 2100 

Houston, Texas 77002 
 Facsimile
No.: (713) 584-1110 
 Attention: Treasurer 

With a copy to each of: 
 Targa
Resources Partners LP 
 Targa Resources Partners Finance Corporation 

811 Louisiana St., Suite 2100 

Houston, Texas 77002 
 Facsimile
No.: (713) 584-1110 
 Attention: General Counsel 

and 
 Vinson & Elkins
L.L.P. 
 1001 Fannin, Suite 2500 

Houston, Texas 77002 
 Facsimile
No.: (713) 615-5883 
 Attention: Christopher S. Collins 

  
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 If to the Trustee: 

U.S. Bank National Association 

8 Greenway Plaza, Suite 1100 

Houston, Texas 77046-0892 

Facsimile No.: (713) 212-3718 

Attention: Alejandro Hoyos 
 The
Issuers, any Guarantor or the Trustee, by notice to the others, may designate additional or different addresses for subsequent notices or communications. 

All notices and communications (other than those sent to Holders) will be deemed to have been duly given: at the time delivered by hand, if
personally delivered; five Business Days after being deposited in the mail, postage prepaid, if mailed; when receipt acknowledged, if transmitted by facsimile; and the next Business Day after timely delivery to the courier, if sent by overnight air
courier guaranteeing next day delivery. 
 Any notice or communication to a Holder will be mailed by first class mail, certified or
registered, return receipt requested, or by overnight air courier guaranteeing next day delivery to its address shown on the register kept by the Registrar; provided, that if the Depositary is the Holder, notice shall be given by such means
as the Depositary may specify. Any notice or communication will also be so mailed to any Person described in TIA § 313(c), to the extent required by the TIA. Failure to send a notice or communication to a Holder or any defect in it will not
affect its sufficiency with respect to other Holders. 
 If a notice or communication is given in the manner provided above within the time
prescribed, it is duly given, whether or not the addressee receives it. 
 If the Issuers send a notice or communication to Holders, they
will send a copy to the Trustee and each Agent at the same time. 
 Section 12.03 Communication by Holders of Notes with Other Holders of Notes.

 Holders may communicate pursuant to TIA § 312(b) with other Holders with respect to their rights under this Indenture or the Notes.
The Issuers, the Trustee, the Registrar and anyone else shall have the protection of TIA § 312(c). 
 Section 12.04 Certificate and Opinion as
to Conditions Precedent. 
 Upon any request or application by the Issuers to the Trustee to take any action under this Indenture, the
Issuers shall furnish to the Trustee: 
 (1) an Officers’ Certificate in form and substance reasonably satisfactory to
the Trustee (which must include the statements set forth in Section 12.05 hereof) stating that, in the opinion of the signers, all conditions precedent and covenants, if any, provided for in this Indenture relating to the proposed action have
been satisfied; and 

  
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 (2) an Opinion of Counsel in form and substance reasonably satisfactory to
the Trustee (which must include the statements set forth in Section 12.05 hereof) stating that, in the opinion of such counsel, all such conditions precedent and covenants have been satisfied. 

Section 12.05 Statements Required in Certificate or Opinion. 

Each certificate or opinion with respect to compliance with a condition or covenant provided for in this Indenture (other than a certificate
provided pursuant to TIA § 314(a)(4)) must comply with the provisions of TIA § 314(e) and must include: 
 (1) a
statement that the person making such certificate or opinion has read such covenant or condition; 
 (2) a brief statement as
to the nature and scope of the examination or investigation upon which the statements or opinions contained in such certificate or opinion are based; 

(3) a statement that, in the opinion of such person, he or she has made such examination or investigation as is necessary to
enable him or her to express an informed opinion as to whether or not such covenant or condition has been satisfied; and 

(4) a statement as to whether or not, in the opinion of such person, such condition or covenant has been satisfied. 

Section 12.06 Rules by Trustee and Agents. 

The Trustee may make reasonable rules for action by or at a meeting of Holders. The Registrar or Paying Agent may make reasonable rules and set
reasonable requirements for its functions. 
 Section 12.07 No Personal Liability of Directors, Officers, Employees and Stockholders. 

Neither the General Partner nor any past, present or future director, officer, partner, member, employee, incorporator, manager or unit holder
or other owner of Equity Interest of the Issuers or any Guarantor, as such, will have any liability for any obligations of the Issuers or the Guarantors under the Notes, this Indenture, the Note Guarantees or for any claim based on, in respect of,
or by reason of, such obligations or their creation. Each Holder of Notes by accepting a Note waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes and the Note Guarantees. 

Section 12.08 Governing Law. 
 THE
LAW OF THE STATE OF NEW YORK WILL GOVERN AND BE USED TO CONSTRUE THIS INDENTURE, THE NOTES AND THE NOTE GUARANTEES. 

  
 105 












 Section 12.09 No Adverse Interpretation of Other Agreements. 

This Indenture may not be used to interpret any other indenture, loan or debt agreement of Targa Resources Partners or its Subsidiaries or of
any other Person. Any such indenture, loan or debt agreement may not be used to interpret this Indenture. 
 Section 12.10 Successors. 

All agreements of the Issuers in this Indenture and the Notes will bind their successors. All agreements of the Trustee in this Indenture will
bind its successors. All agreements of each Guarantor in this Indenture will bind its successors, except as otherwise provided in Section 10.05 hereof. 

Section 12.11 Severability. 
 In case
any provision in this Indenture or in the Notes is invalid, illegal or unenforceable, the validity, legality and enforceability of the remaining provisions will not in any way be affected or impaired thereby. 

Section 12.12 Counterpart Originals. 

The parties may sign any number of copies of this Indenture. Each signed copy will be an original, but all of them together represent the same
agreement. The exchange of copies of this Indenture and of signature pages by facsimile or PDF transmission shall constitute effective execution and delivery of this Indenture as to the parties hereto and may be used in lieu of the original
Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes. 

Section 12.13 Table of Contents, Headings, etc. 

The Table of Contents, Cross-Reference Table and headings of the Articles and Sections of this Indenture have been inserted for convenience of
reference only, are not to be considered a part of this Indenture and will in no way modify or restrict any of the terms or provisions hereof. 

Section 12.14 Payment Date Other Than a Business Day. 

If any payment with respect to any principal of, premium, if any, on, or interest on any Note (including any payment to be made on any date
fixed for redemption or purchase of any Note) is due on a day which is not a Business Day, then the payment need not be made on such date, but may be made on the next Business Day with the same force and effect as if made on such date, and no
interest will accrue for the intervening period. 

  
 106 












 Section 12.15 Evidence of Action by Holders. 

Any request, demand, authorization, direction, notice, consent, waiver or other action provided by this Indenture to be given, made or taken by
the Holders may be embodied in and evidenced by one or more instruments of substantially similar tenor signed by such Holders in person or by agents duly appointed in writing, and may be given, made or taken in connection with a purchase of, or
tender offer or exchange offer for, outstanding Notes; and, except as herein otherwise expressly provided, such action shall become effective when such instrument or instruments are delivered to the Trustee and, where it is hereby expressly
required, to the Issuers. Such instrument or instruments (and the action embodied therein and evidenced thereby) are herein sometimes referred to as the “act” of the Holders signing such instrument or instruments. Proof of
execution of any such instrument or of a writing appointing any such agent shall be sufficient for any purpose of this Indenture and conclusive in favor of the Trustee and the Issuers if made in the manner provided in this Section 12.15. 

Without limiting the generality of this Section 12.15, unless otherwise provided in or pursuant to this Indenture, (i) a Holder,
including a Depositary or its nominee that is a Holder of a Global Note, may give, make or take, by an agent or agents duly appointed in writing, any request, demand, authorization, direction, notice, consent, waiver or other act provided in or
pursuant to this Indenture to be given, made or taken by the Holders, and a Depositary or its nominee that is a Holder of a Global Note may duly appoint in writing as its agent or agents members of, or participants in, such Depositary holding
interests in such Global Note in the records of such Depositary, and (ii) with respect to any Global Note the Depositary for which is DTC, any consent or other action given, made or taken by an “agent member” of DTC by electronic
means in accordance with the Automated Tender Offer Procedures system or other customary procedures of, and pursuant to authorization by, DTC shall be deemed to constitute the “act” of the Holder of such Global Note, and such act shall be
deemed to have been delivered to Targa Resources Partners and the Trustee upon the delivery by DTC of an “agent’s message” or other notice of such consent or other action having been so given, made or taken in accordance with the
customary procedures of DTC. 
 The fact and date of the execution by any Person of any such instrument or writing may be proved by the
affidavit of a witness of such execution or by a certificate of a notary public or other officer authorized by law to take acknowledgments of deeds, certifying that the individual signing such instrument or writing acknowledged to such witness,
notary or officer the execution thereof. Where such execution is by a signer acting in a capacity other than his individual capacity, such certificate or affidavit shall also constitute sufficient proof of authority. The fact and date of the
execution of any such instrument or writing, or the authority of the Person executing the same, may also be proved in any other manner which the Trustee deems sufficient. 

Notwithstanding anything to the contrary contained in this Section 12.15 or elsewhere in this Indenture, the principal amount and serial
numbers of Notes held by any Holder, and the date of holding the same, shall be proved by the register of the Notes maintained by the Registrar as provided in Section 2.03. 

If the Issuers shall solicit from the Holders of the Notes any request, demand, authorization, direction, notice, consent, waiver or other
act, the Issuers may, at their option, fix in advance a record date for the determination of the Holders entitled to give, make or take such request, demand, authorization, direction, notice, consent, waiver or other act, but the Issuers shall have
no obligation to do so. Such record date shall be a date not earlier than the date 30 days prior to the first solicitation of the Holders generally in connection therewith or the date of 

  
 107 












 
the most recent list of the Holders forwarded to the Trustee prior to such solicitation pursuant to Section 2.05 and not later than the date such solicitation is completed. If such a record
date is fixed, then notwithstanding the second sentence of Section 9.04, any instrument embodying and evidencing such request, demand, authorization, direction, notice, consent, waiver or other act may be executed before or after such record
date, but only the Holders of record at the close of business on such record date (whether or not such Persons were Holders before, or continue to be Holders after, such record date) shall be deemed to be Holders for the purposes of determining
whether Holders of the requisite proportion of the then outstanding Notes have given, made or taken such request, demand, authorization, direction, notice, consent, waiver or other act, and for that purpose the then outstanding Notes shall be
computed as of such record date; provided that no such act by the Holders of record on any record date shall be deemed effective unless it shall become effective pursuant to the provisions of this Indenture not later than eleven months after
such record date. 
 Subject to Section 9.04, any request, demand, authorization, direction, notice, consent, waiver or other act of
the Holder of any Note shall bind every future Holder of the same Note and the Holder of every Note issued upon the registration or transfer thereof or in exchange therefor or in lieu thereof in respect of anything done, omitted or suffered to be
done by the Trustee or the Issuers in reliance thereon, whether or not notation of such action is made upon such Note. 
 Without limiting
the foregoing, a Holder entitled hereunder to give, make or take any action hereunder with regard to any particular Note may do so itself with regard to all or any part of the principal amount of such Note or by one or more duly appointed agents
each of which may do so pursuant to such appointment with regard to all or any part of such principal amount. 
 For purposes of this
Indenture, any action by the Holders that may be taken in writing may be taken by electronic means or as otherwise reasonably acceptable to the Trustee. 

Section 12.16 U.S.A. Patriot Act. 

The parties hereto acknowledge that in accordance with Section 326 of the U.S.A. Patriot Act, the Trustee, like all financial institutions
and in order to help fight the funding of terrorism and money laundering, is required to obtain, verify and record information that identities each person or legal entity that establishes a relationship or opens an account with the Trustee. The
parties to this Indenture agree that they will provide the Trustee with such information as it may request in order for the Trustee to satisfy the requirements of the U.S.A. Patriot Act. 

Section 12.17 Force Majeure. 
 In no
event shall the Trustee be responsible or liable for any failure or delay in the performance of its obligations hereunder arising out of or caused by, directly or indirectly, forces beyond its control, including, strikes, work stoppages, accidents,
acts of war or terrorism, civil or military disturbances, nuclear or natural catastrophes or acts of God, and interruptions, loss or malfunctions of utilities, communications or computer (software and hardware) services; it being understood that the
Trustee shall use reasonable efforts which are consistent with accepted practices in the banking industry to resume performance as soon as practicable under the circumstances. 

[Signatures on following pages] 
  

  
 108 












 SIGNATURES 

Dated as of the date first written above. 
  

					
	ISSUERS:
	
	TARGA RESOURCES PARTNERS LP
		
	By:	 	Targa Resources GP LLC,
		 	Its general partner
		
	By:	 	 /s/ Chris M. McEwan

		 	Name:	 	Chris M. McEwan
		 	Title:	 	Vice President and Treasurer
	
	TARGA RESOURCES PARTNERS FINANCE CORPORATION
		
	By:	 	 /s/ Chris M. McEwan

		 	Name: Chris M. McEwan
		 	Title: Vice President and Treasurer



  
 [Indenture] 












 
			
	GUARANTORS:
	
	FCPP PIPELINE, LLC
	FLAG CITY PROCESSING PARTNERS, LLC
	SLIDER WESTOK GATHERING, LLC
	TARGA CAPITAL LLC
	TARGA CHANEY DELL LLC
	TARGA CHANNELVIEW LLC
	TARGA COGEN LLC
	TARGA CRUDE MARKETING LLC
	TARGA CRUDE PIPELINE LLC
	TARGA DELAWARE LLC
	TARGA DOWNSTREAM LLC
	TARGA GAS MARKETING LLC
	TARGA GAS PIPELINE LLC
	TARGA GAS PROCESSING LLC
	TARGA INTRASTATE PIPELINE LLC
	TARGA LIQUIDS MARKETING AND TRADE LLC
	TARGA LOUISIANA INTRASTATE LLC
	TARGA MIDKIFF LLC
	TARGA MIDLAND LLC
	TARGA MIDSTREAM SERVICES LLC
	TARGA MLP CAPITAL LLC
	TARGA NGL PIPELINE COMPANY LLC
	TARGA PIPELINE MID-CONTINENT HOLDINGS LLC
	TARGA PIPELINE MID-CONTINENT LLC
	TARGA PIPELINE PARTNERS GP LLC
	TARGA RESOURCES OPERATING GP LLC
	TARGA RESOURCES OPERATING LLC
	TARGA SOUTHERN DELAWARE LLC
	TARGA SOUTHOK NGL PIPELINE LLC
	TARGA TRAIN 8 LLC
	TARGA TRANSPORT LLC
	TPL ARKOMA HOLDINGS LLC
	TPL ARKOMA INC.
	TPL ARKOMA MIDSTREAM LLC
	TPL GAS TREATING LLC
	TPL SOUTHTEX MIDSTREAM LLC
	TPL SOUTHTEX PIPELINE COMPANY LLC
	VELMA INTRASTATE GAS TRANSMISSION COMPANY, LLC
	VERSADO GAS PROCESSORS, L.L.C.
		
	By:	 	 /s/ Chris M. McEwan

		 	Name: Chris M. McEwan
		 	Title:   Vice President and Treasurer



  
 [Indenture] 












 
							
	TARGA PIPELINE OPERATING PARTNERSHIP LP
	TARGA PIPELINE PARTNERS LP
		
	By:	 	Targa Pipeline Partners GP LLC, its general partner
			
		 	By:	 	 /s/ Chris M. McEwan

		 		 	Name:	 	Chris M. McEwan
		 		 	Title:	 	Vice President and Treasurer
	
	TPL BARNETT LLC
		
	By:	 	Targa Pipeline Mid-Continent Holdings LLC, its sole member
			
		 	By:	 	 /s/ Chris M. McEwan

		 		 	Name:	 	Chris M. McEwan
		 		 	Title:	 	Vice President and Treasurer
	
	PECOS PIPELINE LLC
	TESUQUE PIPELINE, LLC
		
	By:	 	TPL Barnett LLC, its sole member
		
	By:	 	Targa Pipeline Mid-Continent Holdings LLC, its sole member
			
		 	By:	 	 /s/ Chris M. McEwan

		 		 	Name:	 	Chris M. McEwan
		 		 	Title:	 	Vice President and Treasurer



  
 [Indenture] 












 
					
	VELMA GAS PROCESSING COMPANY, LLC
		
	By:	 	Targa Pipeline Mid-Continent LLC, its sole member
			
		 	By:	 	 /s/ Chris M. McEwan

		 		 	Name: Chris M. McEwan
		 		 	Title:   Vice President and Treasurer
	
	TARGA SOUTHTEX MIDSTREAM COMPANY LP
	TPL SOUTHTEX GAS UTILITY COMPANY LP
	TPL SOUTHTEX MIDSTREAM HOLDING COMPANY LP
	TPL SOUTHTEX PROCESSING COMPANY LP
	TPL SOUTHTEX TRANSMISSION COMPANY LP
		
	By:	 	TPL SouthTex Pipeline Company LLC, its general partner
			
		 	By:	 	 /s/ Chris M. McEwan

		 		 	Name: Chris M. McEwan
		 		 	Title:   Vice President and Treasurer



  
 [Indenture] 












 
			
	TRUSTEE:
	
	U.S. BANK NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Alejandro Hoyos

		 	Name: Alejandro Hoyos
		 	Title:   Vice President


  

  
 [Indenture] 












 EXHIBIT A 

[Face of Note] 
  

[Insert the Global Note Legend, if applicable pursuant to the provisions of the Indenture] 

[Insert the Private Placement Legend, if applicable pursuant to the provisions of the Indenture] 

[Insert the OID Legend, if applicable pursuant to the provisions of the Indenture] 

  
 A-1 












  

CUSIP 87612BBP61 

51⁄2% Senior Notes due 2030 

 

			
	No. ___	  	$_____________

 TARGA RESOURCES PARTNERS LP 

and 
 TARGA RESOURCES PARTNERS
FINANCE CORPORATION 
 promise to pay to ________________, or registered assigns, the principal sum of _____________ DOLLARS [or such other amount as may be
indicated on the attached Schedule of Exchanges of Interests in the Global Note],2 on March 1, 2030. 

Interest Payment Dates: March 1 and September 1 

Record Dates: February 15 and August 15 
 Dated:
__________, 20__ 
  

			
	TARGA RESOURCES PARTNERS LP
		
	By:	 	Targa Resources GP LLC,
		 	Its General Partner
		
	By:	 	  

		 	Name:
		 	Title:
	
	TARGA RESOURCES PARTNERS FINANCE CORPORATION
		
	By:	 	  

		 	Name:
		 	Title:


  
  

	1 	 The CUSIP No. is U87571AR3 for the Regulation S Notes and 87612BBQ4 for the Unrestricted
Notes. 



	2 	 For Global Notes only. 



  
 A-2 












 Dated: __________, 20__ 

This is one of the Notes referred to 
 in the within-mentioned
Indenture: 
 U.S. BANK NATIONAL ASSOCIATION, 
 as Trustee 

 

			
	By:	 	  

		 	Authorized Signatory


  
 A-3 












 [Back of Note] 

51⁄2% Senior Notes due 2030 

Capitalized terms used herein have the meanings assigned to them in the Indenture referred to below unless otherwise indicated. 

(1) Interest. Targa Resources Partners LP, a Delaware limited partnership (“Targa Resources Partners”), and
Targa Resources Partners Finance Corporation, a Delaware corporation (“Finance Corp.” and, together with Targa Resources Partners, the “Issuers”), promise to pay interest on the principal amount
of this Note at 5.500% per annum from November 27, 2019 until maturity and shall pay the Liquidated Damages, if any, payable pursuant to Section 4 of the Registration Rights Agreement referred to below. The Issuers will pay interest and
Liquidated Damages, if any, semi-annually in arrears on March 1 and September 1 of each year, or if any such day is not a Business Day, on the next succeeding Business Day (each, an “Interest Payment Date”).
Interest on this Note will accrue from the most recent date to which interest has been paid or, if no interest has been paid, from the date of issuance; provided that if there is no existing Default in the payment of interest, and if this
Note is authenticated between a record date referred to on the face hereof and the next succeeding Interest Payment Date, interest shall accrue from such next succeeding Interest Payment Date; provided further that the first Interest
Payment Date shall be September 1, 2020. The Issuers will pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue principal and premium, if any, from time to time on demand at the rate then in
effect to the extent lawful; and they will pay interest (including post-petition interest in any proceeding under any Bankruptcy Law) on overdue installments of interest and Liquidated Damages, if any (without regard to any applicable grace
periods), from time to time on demand at the same rate to the extent lawful. Interest will be computed on the basis of a 360-day year of twelve 30-day months. 

(2) Method of Payment. The Issuers will pay interest on this Note (except defaulted interest) and Liquidated Damages, if any, to the
Person who is the registered Holder of this Note at the close of business on the February 15 and August 15 next preceding the Interest Payment Date, even if such Note is canceled after such record date and on or before such Interest
Payment Date, except as provided in Section 2.12 of the Indenture with respect to defaulted interest. If this Note is a Definitive Note, the Holder must surrender such Note to the Paying Agent to collect payments of principal and premium, if
any, due at maturity. This Note will be payable as to principal, premium, if any, and Liquidated Damages, if any, and interest at the office or agency of the Issuers maintained for such purpose in New York, New York, or, at the option of the
Issuers, payment of interest and Liquidated Damages, if any, may be made by check mailed to the Holder at its address set forth in the register of Holders; provided that payment by wire transfer of immediately available funds will be required
with respect to principal of and interest, premium and Liquidated Damages, if any, on, all Global Notes and all other Notes the Holders of which will have provided wire transfer instructions to the Issuers or the Paying Agent. Such payment will be
in such coin or currency of the United States of America as at the time of payment is legal tender for payment of public and private debts. 

  
 A-4 












 (3) Paying Agent and Registrar. Initially, U.S. Bank National Association, the
Trustee under the Indenture, will act as Paying Agent and Registrar. The Issuers may change any Paying Agent or Registrar without notice to any Holder. Targa Resources Partners or any of its Subsidiaries may act in any such capacity. 

(4) Indenture. The Issuers issued this Note under an Indenture dated as of November 27, 2019 (the
“Indenture”) among the Issuers, the Guarantors and the Trustee. The terms of this Note include those stated in the Indenture and those made part of the Indenture by reference to the TIA. This Note is subject to all such
terms, and Holders are referred to the Indenture and such Act for a statement of such terms. To the extent any provision of this Note conflicts with the express provisions of the Indenture, the provisions of the Indenture shall govern and be
controlling. The Notes are unsecured obligations of the Issuers. The Indenture does not limit the aggregate principal amount of Notes that may be issued thereunder. 

(5) Optional Redemption. 

(a) On or after March 1, 2025, the Issuers may redeem all or a part of the Notes upon giving notice as provided in the Indenture, at the
redemption prices (expressed as percentages of principal amount) set forth below plus accrued and unpaid interest and Liquidated Damages, if any, on this series of Notes redeemed, to the applicable Redemption Date, if redeemed during the
twelve-month period beginning on March 1 of each year indicated below, subject to the rights of Holders of Notes on the relevant record date to receive interest on an Interest Payment Date that is on or prior to the Redemption Date: 

 

					
	 Year
	  	Percentage	 
	 2025
	  	 	102.750	% 
	 2026
	  	 	101.833	% 
	 2027
	  	 	100.917	% 
	 2028 and thereafter
	  	 	100.000	% 

 (b) Notwithstanding the provisions of subparagraph (a) of this Paragraph 5, at any time prior to
March 1, 2023, the Issuers may on any one or more occasions redeem up to 35% of the aggregate principal amount of Notes (including any Additional Notes) issued under the Indenture upon giving notice as provided in the Indenture, at a redemption
price of 105.500% of the principal amount, plus accrued and unpaid interest and Liquidated Damages, if any, to the Redemption Date (subject to the right of Holders of record on the relevant record date to receive interest due on an Interest Payment
Date that is on or prior to the Redemption Date), in an amount not greater than the net cash proceeds of one or more Equity Offerings by Targa Resources Partners; provided that at least 65% of the aggregate principal amount of Notes
(including any Additional Notes) issued under the Indenture (excluding Notes held by Targa Resources Partners and its Subsidiaries) remains outstanding immediately after the occurrence of such redemption and the redemption occurs within 180 days of
the date of the closing of such Equity Offering. 

  
 A-5 












 (c) Notwithstanding the provisions of subparagraph (a) of this Paragraph 5, at any time
prior to March 1, 2025, the Issuers may also redeem all or a part of the Notes, upon giving notice as provided in the Indenture, at a redemption price equal to 100% of the principal amount of the Notes redeemed plus the Applicable Premium as
of, and accrued and unpaid interest and Liquidated Damages, if any, to the Redemption Date, subject to the rights of Holders on the relevant record date to receive interest due on an Interest Payment Date that is prior to the Redemption Date. 

For purposes of subparagraph (c) of this Paragraph 5, “Applicable Premium” means, with respect to any Note at the
time of computation, the greater of (1) 1.0% of the principal amount of the Note or (2) the excess of: (a) the present value at such time of (i) the redemption price of the Note at March 1, 2025 (such redemption price being set
forth in the table appearing in subparagraph (a)) plus (ii) all required interest payments due on the Note through March 1, 2025 (excluding accrued but unpaid interest to the Redemption Date), computed using a discount rate equal to the
Treasury Rate as of such time plus 50 basis points, discounted to the Redemption Date on a semi-annual basis (assuming a 360-day year consisting of twelve 30-day months)
over (b) the principal amount of the Note, if greater. In addition, for purposes of subparagraph (c) of this Paragraph 5, “Treasury Rate” means, with respect to any Redemption Date, the yield to maturity as of the
time of computation of United States Treasury securities with a constant maturity (as compiled and published in the most recent Federal Reserve Statistical Release H.15 that has become publicly available at least two Business Days prior to such time
(or, if such Statistical Release is no longer published, any publicly available source of similar market data)) most nearly equal to the period from the Redemption Date to March 1, 2025; provided, however, that if such period is
not equal to the constant maturity of a United States Treasury security for which a weekly average yield is given, Targa Resources Partners shall obtain the Treasury Rate by linear interpolation (calculated to the nearest one twelfth of a year) from
the weekly average yields of United States Treasury securities for which such yields are given, except that if the period from the Redemption Date to March 1, 2025, is less than one year, the weekly average yield on actually traded United
States Treasury securities adjusted to a constant maturity of one year will be used. 
 (d) Unless the Issuers default in the payment of the
redemption price, interest and Liquidated Damages, if any, will cease to accrue on the Notes or portions thereof called for redemption on the applicable Redemption Date. 

(6) Mandatory Redemption. 

Except as set forth below, the Issuers are not required to make mandatory redemption or sinking fund payments with respect to this Note or to
repurchase this Note at the option of the Holders. 
 (7) Repurchase at the Option of Holder. 

(a) If there is a Change of Control Triggering Event, the Issuers will be required to make an offer (a “Change of Control
Offer”) to each Holder to repurchase all or any part (equal to $2,000 or an integral multiple of $1,000 in excess thereof) of each Holder’s Notes at a purchase price in cash equal to at least 101% of the aggregate principal amount
thereof plus accrued and unpaid interest and Liquidated Damages, if any, to, but excluding, the date of purchase, subject to the rights of Holders on the relevant record date to receive interest due on


  
 A-6 












 
the relevant Interest Payment Date (the “Change of Control Payment”). Within 30 days following any Change of Control Triggering Event, the Issuers will send a notice to
each Holder setting forth the procedures governing the Change of Control Offer as required by the Indenture. In the event that Holders of not less than 90% of the aggregate principal amount of the outstanding Notes accept a Change of Control Offer
and Targa Resources Partners (or the third party making the Change of Control Offer as provided in Section 4.15(c) of the Indenture) purchases all of the Notes held by such Holders, Targa Resources Partners will have the right, upon not less
than 10 nor more than 60 days’ prior notice, given not more than 30 days following the purchase pursuant to the Change of Control Offer described above, to redeem all of the Notes that remain outstanding following such purchase at a redemption
price equal to the Change of Control Payment plus, to the extent not included in the Change of Control Payment, accrued and unpaid interest and Liquidated Damages, if any, on the Notes that remain outstanding, to, but excluding, the date of
redemption (subject to the right of Holders on the relevant record date to receive interest due on an interest payment date that is on or prior to the redemption date). 

(b) If the Issuers or a Restricted Subsidiary of Targa Resources Partners consummates any Asset Sales, within five days of each date on which
the aggregate amount of Excess Proceeds exceeds $50.0 million, Targa Resources Partners will commence an offer to all Holders of Notes and all holders of other Indebtedness that is pari passu with the Notes containing provisions similar
to those set forth in the Indenture with respect to offers to purchase or redeem with the proceeds of sales of assets (an “Asset Sale Offer”) pursuant to Section 3.09 of the Indenture to purchase the maximum principal
amount of Notes and such other pari passu Indebtedness that may be purchased out of the Excess Proceeds at an offer price in cash in an amount equal to 100% of the principal amount plus accrued and unpaid interest and Liquidated Damages, if
any, to the date of purchase, in accordance with the procedures set forth in the Indenture. To the extent that the aggregate amount of Notes and other pari passu Indebtedness tendered pursuant to an Asset Sale Offer is less than the Excess
Proceeds, the Targa Resources Partners (or such Restricted Subsidiary) may use such deficiency for any purpose not otherwise prohibited by the Indenture. If the aggregate principal amount of Notes and other pari passu Indebtedness tendered
into such Asset Sale Offer exceeds the amount of Excess Proceeds, then the Notes and such other pari passu Indebtedness shall be purchased on a pro rata basis. Holders of Definitive Notes that are the subject of an offer to purchase will
receive an Asset Sale Offer and may elect to have such Notes purchased by completing the form entitled “Option of Holder to Elect Purchase” attached to the Notes. 

(8) Notice of Redemption. Notice of redemption will be given in the manner provided in the Indenture at least 10 days but not more than
60 days before the Redemption Date to each Holder whose Notes are to be redeemed at its registered address, except that redemption notices may be given more than 60 days prior to a Redemption Date if the notice is issued in connection with a
defeasance of the Notes or a satisfaction or discharge of the Indenture. Notes in denominations larger than $2,000 may be redeemed in part but only in whole multiples of $1,000, unless all of the Notes held by a Holder are to be redeemed. 

(9) Denominations, Transfer, Exchange. The Notes are in registered form without coupons in
de-nominations of $2,000 and integral multiples of $1,000 in excess thereof. The transfer of Notes may be registered and Notes may be exchanged as provided in the Indenture. The Registrar and the Trustee may
require a Holder, among other things, to furnish 

  
 A-7 












 
appropriate endorsements and transfer documents and the Issuers may require a Holder to pay any taxes and fees required by law or permitted by the Indenture. The Issuers need not exchange or
register the transfer of any Note or portion of a Note selected for redemption, except for the unredeemed portion of any Note being redeemed in part. Also, the Issuers need not exchange or register the transfer of any Notes for a period of 15 days
before a selection of Notes to be redeemed or during the period between a record date and the corresponding Interest Payment Date. 
 (10)
Persons Deemed Owners. The registered Holder of a Note may be treated as its owner for all purposes. 
 (11) Amendment, Supplement
and Waiver. Subject to certain exceptions, the Indenture or the Notes or the Note Guarantees may be amended or supplemented with the consent of the Holders of a majority in aggregate principal amount of the then outstanding Notes including
Additional Notes, if any, voting as a single class, and any existing Default or Event of Default or compliance with any provision of the Indenture or the Notes or the Note Guarantees may be waived with the consent of the Holders of a majority in
aggregate principal amount of the then outstanding Notes including Additional Notes, if any, voting as a single class. Without the consent of any Holder of a Note, the Indenture or the Notes or the Note Guarantees may be amended or supplemented to
cure any ambiguity, defect or inconsistency, to provide for uncertificated Notes in addition to or in place of certificated Notes, to provide for the assumption of the Issuers’ or a Guarantor’s obligations to Holders of the Notes and Note
Guarantees in the case of a merger or consolidation or sale of all or substantially all of the Issuers’ or such Guarantor’s properties or assets, as applicable, to make any change that would provide any additional rights or benefits to the
Holders of Notes or that does not adversely affect the legal rights under the Indenture of any such Holder, to comply with the requirements of the SEC in order to effect or maintain the qualification of the Indenture under the TIA, to conform the
text of the Indenture or the Note Guarantees to any provision of the “Description of Notes” section of the Issuers’ Offering Memorandum to the extent that such text of the Indenture or the Notes Guarantees was intended to reflect such
provision of the “Description of Notes”, to provide for the issuance of Additional Notes in accordance with the limitations set forth in the Indenture as of the date of the Indenture, to allow any Guarantor to execute a supplemental
indenture, to secure the Notes and/or the Note Guarantees, or to provide for the reorganization of Targa Resources Partners as any other form of entity, in accordance with Section 5.01 of the Indenture. 

(12) Defaults and Remedies. Events of Default include: (i) default for 30 days in the payment when due of interest on, or
Liquidated Damages, if any, with respect to the Notes; (ii) default in the payment when due (at fixed maturity, upon redemption or otherwise) of the principal of, or premium, if any, on the Notes; (iii) failure by Targa Resources Partners
or any of its Restricted Subsidiaries to timely consummate repurchase offers under Section 4.10 or 4.15 of the Indenture or to comply with Section 5.01 of the Indenture; (iv) failure by Targa Resources Partners for 90 days after
notice to comply with Section 4.03 of the Indenture; (v) failure by Targa Resources or any of its Restricted Subsidiaries for 60 days after written notice to comply with any of the other agreements in the Indenture; (vi) default under
certain other agreements relating to Indebtedness of Targa Resources Partners or any of its Restricted Subsidiaries, which default results in the acceleration of such Indebtedness prior to its express maturity; (vii) certain final judgments for
the payment of money that remain undischarged for a period of 60 days; 

  
 A-8 












 
(viii) certain events of bankruptcy or insolvency with respect to the Issuers or any of Targa Resources Partners’ Restricted Subsidiaries that is a Significant Subsidiary or any group of
Restricted Subsidiaries that, taken together, would constitute a Significant Subsidiary; and (ix) except as permitted by the Indenture, any Note Guarantee is held in any judicial proceeding to be unenforceable or invalid or ceases for any
reason to be in full force and effect or any Guarantor or any Person acting on its behalf denies or disaffirms its obligations under such Guarantor’s Note Guarantee. If any Event of Default occurs and is continuing, the Trustee or the Holders
of at least 25% in aggregate principal amount of the then outstanding Notes may declare all the Notes to be due and payable immediately. Notwithstanding the foregoing, in the case of an Event of Default arising from certain events of bankruptcy or
insolvency, with respect to Finance Corp., Targa Resources Partners or any Restricted Subsidiary of Targa Resources Partners that is a Significant Subsidiary or any group of Restricted Subsidiaries of Targa Resources Partners that, taken together,
would constitute a Significant Subsidiary, all outstanding Notes will become due and payable immediately without further action or notice. Holders may not enforce the Indenture or the Notes except as provided in the Indenture. Subject to certain
limitations, Holders of a majority in aggregate principal amount of the then outstanding Notes may direct the Trustee in its exercise of any trust or power. The Trustee may withhold from Holders of the Notes notice of any continuing Default or Event
of Default if it determines that withholding notice is in their interest, except a Default or Event of Default relating to the payment of principal, interest or premium or Liquidated Damages, if any. The Holders of a majority in aggregate principal
amount of the then outstanding Notes by notice to the Trustee may, on behalf of the Holders of all of the Notes, rescind an acceleration or waive any existing Default or Event of Default and its consequences under the Indenture except a continuing
Default or Event of Default in the payment of interest or premium or Liquidated Damages, if any, on, or the principal of, the Notes. The Issuers and the Guarantors are required to deliver to the Trustee annually a statement regarding compliance with
the Indenture, and the Issuers and the Guarantors are required, upon becoming aware of any Default or Event of Default, to deliver to the Trustee a statement specifying such Default or Event of Default. 

(13) Trustee Dealings with the Issuers. The Trustee is the trustee under the 2012 Indenture, the 2013 Indenture, the 2015 Indenture, the
2016 Indenture, the 2017 Indenture, the 2018 Indenture and the 2019 January Indenture and, in its individual or any other capacity, may make loans to, accept deposits from, and perform services for the Issuers or their Affiliates, and may otherwise
deal with the Issuers or their Affiliates, as if it were not the Trustee. 
 (14) No Recourse Against Others. Neither the General
Partner nor any director, officer, partner, member, employee, incorporator, manager or unit holder or other owner of Equity Interest of the Issuers or any Guarantor, as such, will have any liability for any obligations of the Issuers or the
Guarantors under the Notes, the Indenture, the Note Guarantees or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of Notes by accepting a Note waives and releases all such liability. The waiver
and release are part of the consideration for the issuance of the Notes and the Note Guarantees. 
 (15) Authentication. This Note
will not be valid until authenticated by the manual signature of the Trustee or an authenticating agent. 

  
 A-9 












 (16) Abbreviations. Customary abbreviations may be used in the name of a Holder or an
assignee, such as: TEN COM (= tenants in common), TEN ENT (= tenants by the entireties), JT TEN (= joint tenants with right of survivorship and not as tenants in common), CUST (= Custodian), and U/G/M/A (= Uniform Gifts to Minors Act). 

(17) Additional Rights of Holders of Restricted Global Notes and Restricted Definitive Notes. In addition to the rights provided to
Holders of Notes under the Indenture, if on the 370th day after the Issue Date (as defined in the initial Registration Rights Agreement (as defined below)), the Notes are not Freely Tradable (as defined in the Registration Rights Agreement), Holders
of Restricted Global Notes and Restricted Definitive Notes that are Initial Notes will have all the rights set forth in the Registration Rights Agreement dated as of November 27, 2019, among the Issuers, the Guarantors and the Initial
Purchasers or, in the case of Additional Notes, Holders of Restricted Global Notes and Restricted Definitive Notes will have the rights set forth in one or more registration rights agreements, if any, among the Issuers, the Guarantors and the other
parties thereto, relating to rights given by the Issuers and the Guarantors to the purchasers of any Additional Notes (collectively, the “Registration Rights Agreement”). 

(18) CUSIP Numbers. Pursuant to a recommendation promulgated by the Committee on Uniform Security Identification Procedures, the
Issuers have caused CUSIP numbers to be printed on the Notes, and the Trustee may use CUSIP numbers in notices of redemption as a convenience to Holders. No representation is made as to the accuracy of such numbers either as printed on the Notes or
as contained in any notice of redemption, and reliance may be placed only on the other identification numbers placed thereon. 
 (19)
GOVERNING LAW. THE LAW OF THE STATE OF NEW YORK WILL GOVERN AND BE USED TO CONSTRUE THE INDENTURE, THIS NOTE AND THE NOTE GUARANTEES. 

The Issuers will furnish to any Holder upon written request and without charge a copy of the Indenture and/or the Registration Rights
Agreement. Requests may be made to: 
 Targa Resources Partners LP 

Targa Resources Partners Finance Corporation 

811 Louisiana St., Suite 2100 

Houston, Texas 77002 
 Facsimile
No.: (713) 584-1110 
 Attention: Chief Financial Officer 

  
 A-10 












 Assignment Form 

To assign this Note, fill in the form below: 

(I) or (we) assign and transfer this Note to: (Insert assignee’s legal name) 
  

 
  

 
 (Insert assignee’s soc. sec. or
tax I.D. no.) 
  
  

 
  
  

 
 (Print or type assignee’s name,
address and zip code) 
  

			
	and irrevocably appoint
                                         
                                         
                                         
                                         
            to transfer this Note on the books of the Issuers. The agent may substitute another to act for him.

 Date: ___________________ 
  

	
	Your
Signature:                                       
                     
	
	(Sign exactly as your name appears on the face of this Note)


 Signature Guarantee*: _________________________ 

 

	*	 Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to
the Trustee). 



  
 A-11 












 Option of Holder to Elect Purchase 

If you want to elect to have this Note purchased by the Issuers pursuant to Section 4.10 or 4.15 of the Indenture, check the appropriate
box below: 
 ☐ Section 4.10     ☐ Section 4.15 

If you want to elect to have only part of the Note purchased by the Issuers pursuant to Section 4.10 or Section 4.15 of the
Indenture, state the amount you elect to have purchased: 
 $_______________ 

Date: ___________________ 
  

	
	Your
Signature:                                       
                     
	
	(Sign exactly as your name appears on the face of this Note)
	
	Tax Identification No.:


 Signature Guarantee*: _________________________ 

 

	*	 Participant in a recognized Signature Guarantee Medallion Program (or other signature guarantor acceptable to
the Trustee). 



  
 A-12 












 Schedule of Exchanges of Interests in the Global Note* 

The following exchanges of a part of this Global Note for an interest in another Global Note or for a Definitive Note, or exchanges of a part
of another Global Note or Definitive Note for an interest in this Global Note, have been made: 
  

									
	 Date of Exchange
	  	 Amount of decrease

in Principal Amount
 of this Global
Note
	  	 Amount of increase

in Principal Amount
 of this Global
Note
	  	 Principal Amount of
this Global Note

following such
decrease (or
increase)
	  	 Signature of

authorized officer of
Trustee or Custodian

		  		  		  		  	

  

	*	 This schedule should be included only if the Note is issued in global form. 



  
 A-13 












 EXHIBIT B 

FORM OF CERTIFICATE OF TRANSFER 
 Targa Resources
Partners LP 
 Targa Resources Partners Finance Corporation 

811 Louisiana St., Suite 2100 
 Houston, Texas 77002 

U.S. Bank National Association 
 8 Greenway Plaza, Suite 1100

 Houston, Texas 77046-0892 
 Re: 51⁄2% Senior Notes due 2030 
 Reference is hereby
made to the Indenture, dated as of November 27, 2019 (the “Indenture”), among Targa Resources Partners LP, a Delaware limited partnership (“Targa Resources Partners”), and Targa Resources Partners
Finance Corporation, a Delaware corporation (“Finance Corp.” and, together with Targa Resource Partners, the “Issuers”), the Guarantors party thereto and U.S. Bank National Association, as
trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 
 ____________ (the
“Transferor”) owns and proposes to transfer the Note[s] or interest in such Note[s] specified in Annex A hereto, in the principal amount of $___ in such Note[s] or interests (the “Transfer”), to
______ (the “Transferee”), as further specified in Annex A hereto. In connection with the Transfer, the Transferor hereby certifies that: 

[CHECK ALL THAT APPLY] 
 1.
☐ Check if Transferee will take delivery of a beneficial interest in the 144A Global Note or a Restricted Definitive Note pursuant to Rule 144A. The Transfer is being effected pursuant to and in accordance with Rule 144A under
the Securities Act of 1933, as amended (the “Securities Act”), and, accordingly, the Transferor hereby further certifies that the beneficial interest or Definitive Note is being transferred to a Person that the Transferor reasonably
believes is purchasing the beneficial interest or Definitive Note for its own account, or for one or more accounts with respect to which such Person exercises sole investment discretion, and such Person and each such account is a “qualified
institutional buyer” within the meaning of Rule 144A in a transaction meeting the requirements of Rule 144A, and such Transfer is in compliance with any applicable blue sky securities laws of any state of the United States. Upon consummation of
the proposed Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the 144A Global Note
and/or the Restricted Definitive Note and in the Indenture and the Securities Act. 

  
 B-1 












 2. ☐ Check if Transferee will take delivery of a beneficial interest in the
Regulation S Global Note or a Restricted Definitive Note pursuant to Regulation S. The Transfer is being effected pursuant to and in accordance with Rule 904 under the Securities Act and, accordingly, the Transferor hereby further certifies
that (i) the Transfer is not being made to a Person in the United States and (x) at the time the buy order was originated, the Transferee was outside the United States or such Transferor and any Person acting on its behalf reasonably
believed and believes that the Transferee was outside the United States or (y) the transaction was executed in, on or through the facilities of a designated offshore securities market and neither such Transferor nor any Person acting on its
behalf knows that the transaction was prearranged with a buyer in the United States, (ii) no directed selling efforts have been made in contravention of the requirements of Rule 904(b) of Regulation S under the Securities Act, (iii) if the
Transfer is being made prior to the expiration of the Restricted Period, the Transfer is not being made to a U.S. Person or for the account or benefit of a U.S. Person (other than an Initial Purchaser) and (iv) the transaction is not part of a
plan or scheme to evade the registration requirements of the Securities Act. Upon consummation of the proposed transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will be subject to the
restrictions on Transfer enumerated in the Private Placement Legend printed on the Regulation S Global Note and/or the Restricted Definitive Note and in the Indenture and the Securities Act. 

3. ☐ Check and complete if Transferee will take delivery of a beneficial interest in a Restricted Global Note or a Restricted
Definitive Note pursuant to any provision of the Securities Act other than Rule 144A or Regulation S. The Transfer is being effected in compliance with the transfer restrictions applicable to beneficial interests in Restricted Global Notes
and Restricted Definitive Notes and pursuant to and in accordance with the Securities Act and any applicable blue sky securities laws of any state of the United States, and accordingly the Transferor hereby further certifies that (check one): 

(a) ☐ such Transfer is being effected pursuant to and in accordance with Rule 144 under the Securities Act; 

or 
 (b) ☐
such Transfer is being effected to the Issuers or a subsidiary thereof; 
 or 

(c) ☐ such Transfer is being effected pursuant to an effective registration statement under the Securities Act and in
compliance with the prospectus delivery requirements of the Securities Act; 
 or 

(d) ☐ such Transfer is being effected to an Institutional Accredited Investor and pursuant to an exemption from the
registration requirements of the Securities Act other than Rule 144A, Rule 144 or Rule 904, and the Transferor hereby further certifies that it has not engaged in any general solicitation within the meaning of Regulation D under the Securities Act
and the Transfer complies with the transfer restrictions applicable to beneficial interests in a Restricted Global Note or Restricted Definitive Notes and the requirements of the exemption claimed, which certification is supported by (1) a
certificate executed by the Transferee in the form of Exhibit D to the 

  
 B-2 












 
Indenture and (2) if such Transfer is in respect of a principal amount of Notes at the time of transfer of less than $250,000, an Opinion of Counsel provided by the Transferor or the
Transferee (a copy of which the Transferor has attached to this certification), to the effect that such Transfer is in compliance with the Securities Act. Upon consummation of the proposed transfer in accordance with the terms of the Indenture, the
transferred beneficial interest or Definitive Note will be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on a Restricted Global Note and/or the Restricted Definitive Notes and in the Indenture and the
Securities Act. 
 4. ☐ Check if Transferee will take delivery of a beneficial interest in an Unrestricted Global Note or of an
Unrestricted Definitive Note. 
 (a) ☐ Check if Transfer is pursuant to Rule 144. (i) The Transfer is
being effected pursuant to and in accordance with Rule 144 under the Securities Act and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky securities laws of any state of the United States and
(ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed Transfer in accordance with the terms of
the Indenture, the transferred beneficial interest or Definitive Note will no longer be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Global Notes, on Restricted Definitive Notes and in
the Indenture. 
 (b) ☐ Check if Transfer is Pursuant to Regulation S. (i) The Transfer is being effected
pursuant to and in accordance with Rule 904 under the Securities Act and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky securities laws of any state of the United States and (ii) the
restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed Transfer in accordance with the terms of the Indenture,
the transferred beneficial interest or Definitive Note will no longer be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Global Notes, on Restricted Definitive Notes and in the Indenture.

 (c) ☐ Check if Transfer is Pursuant to Other Exemption. (i) The Transfer is being effected pursuant to
and in compliance with an exemption from the registration requirements of the Securities Act other than Rule 144 or Rule 904 and in compliance with the transfer restrictions contained in the Indenture and any applicable blue sky securities laws of
any State of the United States and (ii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act. Upon consummation of the proposed
Transfer in accordance with the terms of the Indenture, the transferred beneficial interest or Definitive Note will not be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Global Notes or
Restricted Definitive Notes and in the Indenture. 

  
 B-3 












 This certificate and the statements contained herein are made for your benefit. 

 

			
	  
 [Insert Name of
Transferor]

		
	By:	 	  

		 	Name:
		 	Title:


 Dated: ________________________ 

  
 B-4 












 ANNEX A TO CERTIFICATE OF TRANSFER 

 

	1.	 The Transferor owns and proposes to transfer the following: 



[CHECK ONE OF (a) OR (b)] 
  

	 	(a)	 ☐ a beneficial interest in the: 



 

	 	(i)	 ☐ 144A Global Note (CUSIP 87612BBP6), or 



 

	 	(ii)	 ☐ Regulation S Global Note (CUSIP U87571AR3), or 



 

	 	(b)	 ☐ a Restricted Definitive Note. 



 

	2.	 After the Transfer the Transferee will hold: 



[CHECK ONE OF] 
  

	 	(a)	 ☐ a beneficial interest in the: 



 

	 	(i)	 ☐ 144A Global Note (CUSIP 87612BBP6), or 



 

	 	(ii)	 ☐ Regulation S Global Note (CUSIP U87571AR3), or 



 

	 	(iii)	 ☐ Unrestricted Global Note (CUSIP 87612BBQ4); or 



 

	 	(b)	 ☐ a Restricted Definitive Note; or 



 

	 	(c)	 ☐ an Unrestricted Definitive Note, 



in accordance with the terms of the Indenture. 

  
 B-5 












 EXHIBIT C 

FORM OF CERTIFICATE OF EXCHANGE 
 Targa Resources
Partners LP 
 Targa Resources Partners Finance Corporation 

811 Louisiana St., Suite 2100 
 Houston, Texas 77002 

U.S. Bank National Association 
 8 Greenway Plaza, Suite 1100

 Houston, Texas 77046-0892 
 Attention: Alejandro Hoyos 

Re: 51⁄2% Senior Notes due 2030 

(CUSIP ____________) 
 Reference
is hereby made to the Indenture, dated as of November 27, 2019 (the “Indenture”), among Targa Resources Partners LP, a Delaware limited partnership (“Targa Resources Partners”), and Targa
Resources Partners Finance Corporation, a Delaware corporation (“Finance Corp.” and, together with Targa Resources Partners, the “Issuers”), the Guarantors party thereto and U.S. Bank National
Association, as trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture. 

                       
              (the “Owner”) owns and proposes to exchange the Note[s] or interest in such Note[s] specified herein, in the principal amount of $___in such
Note[s] or interests (the “Exchange”). In connection with the Exchange, the Owner hereby certifies that: 
 1.
Exchange of Restricted Definitive Notes or Beneficial Interests in a Restricted Global Note for Unrestricted Definitive Notes or Beneficial Interests in an Unrestricted Global Note 

(a) ☐ Check if Exchange is from beneficial interest in a Restricted Global Note to beneficial interest in an Unrestricted Global
Note. In connection with the Exchange of the Owner’s beneficial interest in a Restricted Global Note for a beneficial interest in an Unrestricted Global Note in an equal principal amount, the Owner hereby certifies (i) the beneficial
interest is being acquired for the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to the Global Notes and pursuant to and in accordance with the Securities
Act of 1933, as amended (the “Securities Act”), (iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and
(iv) the beneficial interest in an Unrestricted Global Note is being acquired in compliance with any applicable blue sky securities laws of any state of the United States. 

  
 C-1 












 (b) ☐ Check if Exchange is from beneficial interest in a Restricted Global Note to
Unrestricted Definitive Note. In connection with the Exchange of the Owner’s beneficial interest in a Restricted Global Note for an Unrestricted Definitive Note, the Owner hereby certifies (i) the Definitive Note is being acquired for
the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to the Restricted Global Notes and pursuant to and in accordance with the Securities Act, (iii) the
restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the Definitive Note is being acquired in compliance with any applicable blue
sky securities laws of any state of the United States. 
 (c) ☐ Check if Exchange is from Restricted Definitive Note to beneficial
interest in an Unrestricted Global Note. In connection with the Owner’s Exchange of a Restricted Definitive Note for a beneficial interest in an Unrestricted Global Note, the Owner hereby certifies (i) the beneficial interest is being
acquired for the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to Restricted Definitive Notes and pursuant to and in accordance with the Securities Act,
(iii) the restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the beneficial interest is being acquired in compliance with
any applicable blue sky securities laws of any state of the United States. 
 (d) ☐ Check if Exchange is from Restricted Definitive
Note to Unrestricted Definitive Note. In connection with the Owner’s Exchange of a Restricted Definitive Note for an Unrestricted Definitive Note, the Owner hereby certifies (i) the Unrestricted Definitive Note is being acquired for
the Owner’s own account without transfer, (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to Restricted Definitive Notes and pursuant to and in accordance with the Securities Act, (iii) the
restrictions on transfer contained in the Indenture and the Private Placement Legend are not required in order to maintain compliance with the Securities Act and (iv) the Unrestricted Definitive Note is being acquired in compliance with any
applicable blue sky securities laws of any state of the United States. 
 2. Exchange of Restricted Definitive Notes or Beneficial
Interests in Restricted Global Notes for Restricted Definitive Notes or Beneficial Interests in Restricted Global Notes 
 (a)
☐ Check if Exchange is from beneficial interest in a Restricted Global Note to Restricted Definitive Note. In connection with the Exchange of the Owner’s beneficial interest in a Restricted Global Note for a Restricted Definitive
Note with an equal principal amount, the Owner hereby certifies that the Restricted Definitive Note is being acquired for the Owner’s own account without transfer. Upon consummation of the proposed Exchange in accordance with the terms of the
Indenture, the Restricted Definitive Note issued will continue to be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the Restricted Definitive Note and in the Indenture and the Securities Act. 

  
 C-2 












 (b) ☐ Check if Exchange is from Restricted Definitive Note to beneficial interest
in a Restricted Global Note. In connection with the Exchange of the Owner’s Restricted Definitive Note for a beneficial interest in the [CHECK ONE] ☐ 144A Global Note, ☐ Regulation S Global Note with an equal principal amount,
the Owner hereby certifies (i) the beneficial interest is being acquired for the Owner’s own account without transfer and (ii) such Exchange has been effected in compliance with the transfer restrictions applicable to the Restricted
Global Notes and pursuant to and in accordance with the Securities Act, and in compliance with any applicable blue sky securities laws of any state of the United States. Upon consummation of the proposed Exchange in accordance with the terms of the
Indenture, the beneficial interest issued will be subject to the restrictions on transfer enumerated in the Private Placement Legend printed on the relevant Restricted Global Note and in the Indenture and the Securities Act. 

  
 C-3 












 This certificate and the statements contained herein are made for your benefit. 

 

			
	  

	[Insert Name of Transferor]
		
	By:	 	
                     
    

		 	Name:
		 	Title:


 Dated: ________________________ 

  
 C-4 












 EXHIBIT D 

FORM OF CERTIFICATE FROM 

ACQUIRING INSTITUTIONAL ACCREDITED INVESTOR 

Targa Resources Partners LP 
 Targa Resources Partners Finance
Corporation 
 811 Louisiana St., Suite 2100 
 Houston, Texas
77002 
 U.S. Bank National Association 
 8 Greenway Plaza,
Suite 1100 
 Houston, Texas 77046-0892 
 Attention: Alejandro
Hoyos 
 Re: 51⁄2% Senior Notes due
2030 
 Reference is hereby made to the Indenture, dated as of November 27, 2019 (the “Indenture”), among
Targa Resources Partners LP, a Delaware limited partnership (“Targa Resources Partners”), and Targa Resources Partners Finance Corporation, a Delaware corporation (“Finance Corp.” and, together
with Targa Resources Partners, the “Issuers”), the Guarantors party thereto and U.S. Bank National Association, as trustee. Capitalized terms used but not defined herein shall have the meanings given to them in the Indenture.

 In connection with our proposed purchase of
$                 aggregate principal amount of: 

(a) ☐ a beneficial interest in a Global Note, or 

(b) ☐ a Definitive Note, 

we confirm that: 
 1. We
understand that any subsequent transfer of the Notes or any interest therein is subject to certain restrictions and conditions set forth in the Indenture and the undersigned agrees to be bound by, and not to resell, pledge or otherwise transfer the
Notes or any interest therein except in compliance with, such restrictions and conditions and the Securities Act of 1933, as amended (the “Securities Act”). 

2. We understand that the offer and sale of the Notes have not been registered under the Securities Act, and that the Notes and any interest
therein may not be offered or sold except as permitted in the following sentence. We agree, on our own behalf and on behalf of any accounts for which we are acting as hereinafter stated, that if we should sell the Notes or any interest therein, we
will do so only (A) to Targa Resources Partners or any subsidiary thereof, (B) in accordance with Rule 144A under the Securities Act to a “qualified institutional buyer” (as defined therein), (C) to an institutional
“accredited investor” (as defined 

  
 D-1 












 
below) that, prior to such transfer, furnishes (or has furnished on its behalf by a U.S. broker-dealer) to you a signed letter substantially in the form of this letter and, if such transfer is in
respect of a principal amount of Notes, at the time of transfer of less than $250,000, an Opinion of Counsel in form reasonably acceptable to the Issuers to the effect that such transfer is in compliance with the Securities Act, (D) outside the
United States in accordance with Rule 904 of Regulation S under the Securities Act, (E) pursuant to the provisions of Rule 144 under the Securities Act or (F) pursuant to an effective registration statement under the Securities Act, and we
further agree to provide to any Person purchasing the Definitive Note or beneficial interest in a Global Note from us in a transaction meeting the requirements of clauses (A) through (E) of this paragraph a notice advising such purchaser that
resales thereof are restricted as stated herein. 
 3. We understand that, on any proposed resale of the Notes or beneficial interest
therein, we will be required to furnish to each of you such certifications, legal opinions and other information as each of you may reasonably require to confirm that the proposed sale complies with the foregoing restrictions. We further understand
that the Notes purchased by us will bear a legend to the foregoing effect. 
 4. We are an institutional “accredited investor” (as
defined in Rule 501(a)(1), (2), (3) or (7) of Regulation D under the Securities Act) and have such knowledge and experience in financial and business matters as to be capable of evaluating the merits and risks of our investment in the Notes,
and we and any accounts for which we are acting are each able to bear the economic risk of our or its investment. 
 5. We are acquiring the
Notes or beneficial interest therein purchased by us for our own account or for one or more accounts (each of which is an institutional “accredited investor”) as to each of which we exercise sole investment discretion. 

You are entitled to rely upon this letter and are irrevocably authorized to produce this letter or a copy hereof to any interested party in
any administrative or legal proceedings or official inquiry with respect to the matters covered hereby. 
  

			
	[Insert Name of Accredited Investor]
		
	By:	 	
                 

		 	Name:
		 	Title:


 Dated:
                                         
            

  
 D-2 












 EXHIBIT E 

[FORM OF NOTATION OF GUARANTEE] 

For value received, each Guarantor (which term includes any successor Person under the Indenture) has, jointly and severally, unconditionally
guaranteed, to the extent set forth in the Indenture and subject to the provisions in the Indenture, dated as of November 27, 2019 (the “Indenture”), among Targa Resources Partners LP, a Delaware limited partnership
(“Targa Resources Partners”), and Targa Resources Partners Finance Corporation, a Delaware corporation (“Finance Corp.” and, together with Targa Resources Partners, the
“Issuers”), the Guarantors party thereto and U.S. Bank National Association, as trustee (the “Trustee”), (a) the due and punctual payment of the principal of, premium, if any, and Liquidated Damages,
if any, and interest on, the Notes, whether at Stated Maturity, by acceleration, redemption or otherwise, the due and punctual payment of interest on overdue principal of, premium if any, interest and Liquidated Damages, if any, on the Notes, if
any, if lawful, and the due and punctual performance of all other obligations of the Issuers to the Holders or the Trustee all in accordance with the terms of the Indenture and (b) in case of any extension of time of payment or renewal of any
Notes or any of such other obligations, that the same will be promptly paid in full when due or performed in accordance with the terms of the extension or renewal, whether at Stated Maturity, by acceleration or otherwise. The obligations of the
Guarantors to the Holders of Notes and to the Trustee pursuant to the Note Guarantee and the Indenture are expressly set forth in Article 10 of the Indenture and reference is hereby made to the Indenture for the precise terms of the Note Guarantee.
Each Holder of a Note, by accepting the same, agrees to and shall be bound by such provisions. 
 Capitalized terms used but not defined
herein have the meanings given to them in the Indenture. 
  

			
	[Name of Guarantor(s)]
		
	By:	 	
                     
    

		 	Name:
		 	Title:


 Dated:
                                         
                

  
 E-1 












 EXHIBIT F 

[FORM OF SUPPLEMENTAL INDENTURE 

TO BE DELIVERED BY SUBSEQUENT GUARANTORS] 

Supplemental Indenture (this “Supplemental Indenture”), dated as of ___, 20___, among ___ (the
“Guaranteeing Subsidiary”), Targa Resources Partners LP, a Delaware limited partnership (“Targa Resources Partners”), and Targa Resources Partners Finance Corporation (“Finance
Corp.” and, together with Targa Resources Partners, the “Issuers”), the other Guarantors (as defined in the Indenture referred to herein) and U.S. Bank National Association, as trustee under the Indenture
referred to below (the “Trustee”). 
 W I T N E S S E T H 

WHEREAS, the Issuers have heretofore executed and delivered to the Trustee an indenture (the “Indenture”), dated as of
November 27, 2019 providing for the issuance of 51⁄2% Senior Notes due 2030 (the “Notes”); 

WHEREAS, the Indenture provides that under certain circumstances the Guaranteeing Subsidiary shall execute and deliver to the Trustee a
supplemental indenture pursuant to which the Guaranteeing Subsidiary shall unconditionally guarantee all of the Issuers’ Obligations under the Notes and the Indenture on the terms and conditions set forth herein (the “Note
Guarantee”); and 
 WHEREAS, pursuant to Section 9.01 of the Indenture, the Trustee is authorized to execute and deliver
this Supplemental Indenture. 
 NOW, THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt
of which is hereby acknowledged, the Guaranteeing Subsidiary and the Trustee mutually covenant and agree for the equal and ratable benefit of the Holders of the Notes as follows: 

1. Capitalized Terms. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture. 

2. Agreement to Guarantee. The Guaranteeing Subsidiary hereby agrees to provide an unconditional Guarantee on the terms and subject to
the conditions set forth in the Note Guarantee and in the Indenture including but not limited to Article 10 thereof. 
 3. No Recourse
Against Others. No past, present or future director, officer, employee, incorporator, stockholder or agent of the Guaranteeing Subsidiary, as such, shall have any liability for any obligations of the Issuers or any Guaranteeing Subsidiary under
the Notes, any Note Guarantees, the Indenture or this Supplemental Indenture or for any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder of the Notes by accepting a Note waives and releases all such
liability. The waiver and release are part of the consideration for issuance of the Notes. 

  
 F-1 












 4. NEW YORK LAW TO GOVERN. THE LAW OF THE STATE OF NEW YORK SHALL GOVERN AND BE USED
TO CONSTRUE THIS SUPPLEMENTAL INDENTURE. 
 5. 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. 
 6. Effect of Headings. The Section
headings herein are for convenience only and shall not affect the construction hereof. 
 7. The Trustee. The Trustee shall not be
responsible in any manner whatsoever for or in respect of the validity or sufficiency of this Supplemental Indenture or for or in respect of the recitals contained herein, all of which recitals are made solely by the Guaranteeing Subsidiary and the
Issuers. 

  
 F-2 












 IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly
executed and attested, all as of the date first above written. 
 Dated: _______________, 20___ 

 

			
	[Guaranteeing Subsidiary]
		
	By:	 	  

		 	Name:
		 	Title:
	
	TARGA RESOURCES PARTNERS LP
		
	By:	 	Targa Resources GP LLC,
		 	Its General Partner
	By:	 	  

		 	Name:
		 	Title:
	
	TARGA RESOURCES PARTNERS FINANCE CORPORATION
		
	By:	 	  

		 	Name:
		 	Title:
	
	[GUARANTORS]
		
	By:	 	  

		 	Name:
		 	Title:
	
	 U.S. BANK NATIONAL ASSOCIATION,

as Trustee

		
	By:	 	  

		 	Authorized Signatory



  
 F-3 












 SCHEDULE 4.11 

AFFILIATE TRANSACTIONS3 

 

	1.	 Agreement of Limited Partnership of Targa Resources Partners LP 



 

	2.	 Second Amended and Restated Agreement of Limited Partnership of Targa Resources Partners LP



  

	3.	 Third Amended and Restated Agreement of Limited Partnership of Targa Resources Partners LP



  

	4.	 Amendment No. 1 to the First Amended and Restated Agreement of Limited Partnership of Targa Resources
Partners LP 


  

	5.	 Amendment No. 2 to the First Amended and Restated Agreement of Limited Partnership of Targa Resources
Partners LP 


  

	6.	 Amendment No. 1 to the Third Amended and Restated Agreement of Limited Partnership of Targa Resources
Partners LP 


  

	7.	 Contribution Agreement dated as of December 1, 2005 among Targa Midstream Services Limited Partnership,
Targa GP Inc., Targa LP Inc., Targa Downstream GP LLC, Targa North Texas GP LLC, Targa Straddle GP LLC, Targa Permian GP LLC, Targa Versado GP LLC, Targa Downstream LP, Targa North Texas LP, Targa Straddle LP, Targa Permian LP and Targa Versado LP
(the “2005 Contribution Agreement”) 


  

	8.	 Amendment to 2005 Contribution Agreement dated as of January 1, 2007 



 

	9.	 Amendment to 2005 Contribution Agreement dated as of January 1, 2009 



 

	10.	 Contribution, Conveyance and Assumption Agreement, dated February 14, 2007, by and among Targa Resources
Partners LP, Targa Resources Operating LP, Targa Resources GP LLC, Targa Resources Operating GP LLC, Targa GP Inc., Targa LP Inc., Targa Regulated Holdings LLC, Targa North Texas GP LLC and Targa North Texas LP 



 

	11.	 Purchase and Sale Agreement, dated as of September 18, 2007, by and between Targa Resources Holdings LP
and Targa Resources Partners LP 


  

	12.	 Amendment to Purchase and Sale Agreement, dated October 1, 2007, by and between Targa Resources Holdings
LP and Targa Resources Partners LP 


  

	13.	 Contribution, Conveyance and Assumption Agreement, dated October 24, 2007, by and among Targa Resources
Partners LP, Targa Resources Holdings LP, Targa TX LLC, Targa TX PS LP, Targa LA LLC, Targa LA PS LP and Targa North Texas GP LLC 


  

 

	3 	 Note to Targa: Please confirm. 



  
 Schedule 4.11-1 













	14.	 Purchase and Sale Agreement dated July 27, 2009, by and between Targa Resources Partners LP, Targa GP Inc.
and Targa LP Inc. 


  

	15.	 Contribution, Conveyance and Assumption Agreement, dated September 24, 2009, by and among Targa Resources
Partners LP, Targa GP Inc., Targa LP Inc., Targa Resources Operating LP and Targa North Texas GP LLC 


  

	16.	 Purchase and Sale Agreement, dated as of March 31, 2010, by and among Targa Resources Partners LP, Targa
LP Inc., Targa Permian GP LLC and Targa Midstream Holdings LLC 


  

	17.	 Contribution, Conveyance and Assumption Agreement, dated April 27, 2010, by and among Targa Resources
Partners LP, Targa LP Inc., Targa Permian GP LLC, Targa Midstream Holdings LLC, Targa Resources Operating LP, Targa North Texas GP LLC and Targa Resources Texas GP LLC 



 

	18.	 Purchase and Sale Agreement, dated as of August 6, 2010, by and between Targa Resources Partners LP and
Targa Versado Holdings LP 


  

	19.	 Second Amended and Restated Omnibus Agreement, dated September 24, 2009, by and among Targa Resources
Partners LP, Targa Resources, Inc., Targa Resources LLC and Targa Resources GP LLC 


  

	20.	 First Amendment to Second Amended and Restated Omnibus Agreement, dated April 27, 2010, by and among Targa
Resources Partners LP, Targa Resources, Inc., Targa Resources LLC and Targa Resources GP LLC 


  

	21.	 Contribution, Conveyance and Assumption Agreement, dated as of August 25, 2010, by and among Targa Versado
Holdings LP, Targa Resources Partners LP and Targa North Texas GP LLC 


  

	22.	 Purchase and Sale Agreement, dated as of September 13, 2010, by and between Targa Versado Holdings LP and
Targa Resources Partners LP 


  

	23.	 Contribution, Conveyance and Assumption Agreement, dated as of September 28, 2010, by and among Targa
Versado Holdings LP, Targa Resources Partners LP and Targa North Texas GP LLC 


  

	24.	 Agreement and Plan of Merger, by and among Targa Resources Corp., Targa Resources Partners LP, Targa Resources
GP LLC, Trident MLP Merger Sub LLC, Atlas Energy, L.P., Atlas Pipeline Partners, L.P. and Atlas Pipeline Partners GP, LLC, dated October 13, 2014 


  

	25.	 Membership Interest Purchase Agreement between Targa Resources Operating LLC and Warburg Funds dated
March 16, 2018 



  
 Schedule 4.11-2