Document:

EX-4.4

 Exhibit 4.4 

Execution Version 

FIRST SUPPLEMENTAL INDENTURE 

FIRST SUPPLEMENTAL INDENTURE (this “First Supplemental Indenture”), dated as of November 1, 2019, among Hess
Infrastructure Partners LP, a Delaware limited partnership (the “Company”), Hess Infrastructure Partners Finance Corporation, a Delaware corporation (“Finance Corp.” and, together with the Company, the
“Issuers”), the Guarantors (as defined in the Indenture (as defined below)) and Wells Fargo Bank, National Association, as trustee (the “Trustee”). Capitalized terms used herein and not otherwise defined shall have
the respective meanings ascribed thereto in the Indenture. 
 W I T N E S S E T H: 

WHEREAS, the Issuers, the Guarantors and the Trustee have heretofore executed and delivered an Indenture (the “Indenture”),
dated as of November 22, 2017, providing for the issuance of 5.625% Senior Notes due 2026 (the “Notes”); 
 WHEREAS,
Section 9.2 of the Indenture provides, inter alia, that, in certain circumstances, the Issuers and the Trustee may amend the Indenture and the Notes with the consent of the Holders of at least a majority in principal amount of the
Notes then outstanding; 
 WHEREAS, the Issuers have distributed an Offering Memorandum and Consent Solicitation Statement, dated
October 4, 2019 (as amended, supplemented and otherwise modified from time to time, the “Statement”), to the Holders of the Notes in connection with the offer to exchange for new 5.625% Senior Notes due 2026 of Hess
Midstream Partners LP (the “MLP”), any and all of the outstanding Notes and the concurrent solicitation of such Holders’ consents to certain proposed amendments to the Indenture as further described in the Statement; 

WHEREAS, on October 3, 2019, Hess Midstream LP, a Delaware limited partnership (“New HESM”), Hess Midstream GP LP, a
Delaware limited partnership and the general partner of New HESM (“New HESM GP LP”), Hess Midstream New Ventures II, LLC, a Delaware limited liability company and wholly owned subsidiary of New HESM (“Merger Sub”),
the MLP, Hess Midstream Partners GP LP, a Delaware limited partnership and the general partner of the MLP (“HESM GP LP”), and HIP Infrastructure Partners GP LLC, a Delaware limited liability company and the limited partner of New
HESM, entered into an agreement and plan of merger, pursuant to which New HESM will indirectly acquire control of the MLP by way of a merger of Merger Sub with and into the MLP, with the MLP surviving the merger; 

WHEREAS, on October 3, 2019, the MLP, HESM GP LP, Hess Midstream Partners GP LLC, a Delaware limited liability company and the general
partner of HESM GP LP (“HESM GP LLC”), the Company, Hess Infrastructure Partners GP LLC, a Delaware limited liability company and the general partner of the Company, New HESM, New HESM GP LP, Hess Midstream GP LLC, a Delaware
limited liability company and the general partner of New HESM GP LP, Merger Sub, Hess Investments North Dakota LLC, a Delaware limited liability company, GIP II Blue Holding Partnership, L.P., a Delaware limited partnership and Hess Infrastructure
Partners Holdings LLC, a Delaware limited liability company, entered into a partnership restructuring agreement, which provides for the restructuring of the MLP and its subsidiaries through a series of related transactions; 

 WHEREAS, Section 5.1 (“When the Issuers May Merge or Transfer Assets”) of the
Indenture provides, among other things, that either Issuer may consolidate with or merge into any other Person, provided that, among other things, the successor entity expressly assumes by a supplemental indenture the due and punctual payment
of the principal of, and any premium or any interest on, all the Notes and the performance of every covenant in the Indenture that such Issuer would otherwise have to perform; 

WHEREAS, pursuant to Sections 9.2 and 9.6 of the Indenture, the Trustee is authorized to execute and deliver this First Supplemental
Indenture; 
 WHEREAS, pursuant to the Statement, the Holders of approximately 99.32% in aggregate principal amount of the Notes outstanding
have consented to all of the amendments effected by this First Supplemental Indenture in accordance with the provisions of the Indenture and evidence of such consents has been provided by the Issuers to the Trustee; 

WHEREAS, the execution and delivery of this instrument has been duly authorized and all conditions and requirements necessary to make this
instrument a valid and binding agreement have been duly performed and complied with; and 
 WHEREAS, the Issuers have requested that the
Trustee execute and deliver this First Supplemental Indenture. 
 NOW THEREFORE, in consideration of the foregoing and for other good and
valuable consideration, the receipt of which is hereby acknowledged, the Issuers and the Trustee mutually covenant and agree for the equal and ratable benefit of all Holders of the Notes as follows: 

ARTICLE 1 
 AMENDMENTS
TO ARTICLE I—DEFINITIONS AND INCORPORATION BY REFERENCE 
 SECTION 1.1. For purposes of this First Supplemental Indenture, the
terms defined in the recitals shall have the meanings therein specified; any capitalized terms used and not defined herein shall have the same respective meanings as assigned to them in the Indenture; and references to Articles or Sections shall,
unless the context indicates otherwise, be references to Articles or Sections of the Indenture. 
 SECTION 1.2. Any definitions used
exclusively in the provisions of the Indenture or Notes that are deleted and amended pursuant to the amendments set forth under this First Supplemental Indenture, and any definitions used exclusively within such definitions, at the Effective Time
(as defined below) shall be deleted in their entirety from the Indenture and the Notes, and all textual references in the Indenture and the Notes exclusively relating to paragraphs, Sections, Articles or other terms or provisions of the Indenture
that have been otherwise deleted pursuant to this First Supplemental Indenture at the Effective Time shall be deleted in their entirety. The words “herein,” “hereof” and “hereby” and other words of similar import used
in this First Supplemental Indenture refer to this First Supplemental Indenture as a whole and not to any particular section hereof. 

  
 2 

 SECTION 1.3. At the Effective Time, the definition of “MLP” in Section 1.1 of
the Indenture shall be deleted and amended to read in its entirety as set forth below: 
 “MLP” means Hess Midstream
Partners LP (to be renamed Hess Midstream Operations LP on or about the closing date of the Reorganization (as defined in Section 5.1(a) hereof)), a Delaware limited partnership. 

ARTICLE 2 
 AMENDMENTS
TO ARTICLE IV—COVENANTS 
 SECTION 2.1. At the Effective Time, Section 4.2 of the Indenture shall be deleted and amended to
read in its entirety as set forth below: 
 SECTION 4.2. [Intentionally omitted]. 

SECTION 2.2. At the Effective Time, Section 4.3 of the Indenture shall be deleted and amended to read in its entirety as set forth below:

 SECTION 4.3. [Intentionally omitted]. 

SECTION 2.3. At the Effective Time, Section 4.4 of the Indenture shall be deleted and amended to read in its entirety as set forth below:

 SECTION 4.4. [Intentionally omitted]. 

SECTION 2.4. At the Effective Time, Section 4.5 of the Indenture shall be deleted and amended to read in its entirety as set forth below:

 SECTION 4.5. [Intentionally omitted]. 

SECTION 2.5. At the Effective Time, Section 4.6 of the Indenture shall be deleted and amended to read in its entirety as set forth below:

 SECTION 4.6. [Intentionally omitted]. 

SECTION 2.6. At the Effective Time, Section 4.7 of the Indenture shall be deleted and amended to read in its entirety as set forth below:

 SECTION 4.7. [Intentionally omitted]. 

SECTION 2.7. At the Effective Time, Section 4.8 of the Indenture shall be deleted and amended to read in its entirety as set forth below:

 SECTION 4.8. [Intentionally omitted]. 

  
 3 

 SECTION 2.8. At the Effective Time, Section 4.10 of the Indenture shall be deleted and
amended to read in its entirety as set forth below: 
 SECTION 4.10. [Intentionally omitted]. 

SECTION 2.9. At the Effective Time, Section 4.11 of the Indenture shall be deleted and amended to read in its entirety as set forth
below: 
 SECTION 4.11. [Intentionally omitted]. 

SECTION 2.10. At the Effective Time, Section 4.12 of the Indenture shall be deleted and amended to read in its entirety as set forth
below: 
 SECTION 4.12. [Intentionally omitted]. 

SECTION 2.11. At the Effective Time, Section 4.13 of the Indenture shall be deleted and amended to read in its entirety as set forth
below: 
 SECTION 4.13. [Intentionally omitted]. 

ARTICLE 3 
 AMENDMENTS
TO ARTICLE V—CONSOLIDATION, MERGER AND SALE OF ASSETS 
 SECTION 3.1. At the Effective Time, Section 5.1(a) of the Indenture
shall be deleted and amended to read in its entirety as set forth below: 
 (a) such Issuer is the continuing Person or, if such Issuer is
not the continuing Person, the successor is a corporation or other entity organized under the laws of the United States or any state thereof and expressly assumes by a supplemental indenture the due and punctual payment of the principal of, and any
premium or any interest on, all the Notes and any other obligations under this Indenture. The transactions contemplated by that certain Partnership Restructuring Agreement, dated as of October 3, 2019, by and among the Company, the MLP, the MLP
General Partner and certain other parties thereto (such transactions, the “Reorganization”), and the Agreement and Plan of Merger, dated as of October 3, 2019, by and among the HIP General Partner, the MLP, the MLP General
Partner and certain other parties thereto, will be deemed to constitute a merger of the Company into another Person for purposes of this Section 5.1(a), and the MLP will (i) expressly assume by a supplemental indenture the due and punctual
payment of the principal of, and any premium or any interest on, all the Notes and any other obligations under this Indenture as of the date and time of effectiveness of such supplemental indenture and (ii) will succeed the Issuers pursuant to
Section 5.2 hereof. 

  
 4 

 ARTICLE 4 

AMENDMENTS TO ARTICLE VI—EVENTS OF DEFAULT 

SECTION 4.1. At the Effective Time, Section 6.1(3) of the Indenture shall be deleted and amended to read in its entirety as set forth
below: 
 (3) [Intentionally omitted]. 

SECTION 4.2. At the Effective Time, Section 6.1(4) of the Indenture shall be deleted and amended to read in its entirety as set forth
below: 
 (4) [Intentionally omitted]. 

SECTION 4.3. At the Effective Time, Section 6.1(5) of the Indenture shall be deleted and amended to read in its entirety as set forth
below: 
 (5) [Intentionally omitted]. 

SECTION 4.4. At the Effective Time, Section 6.1(6) of the Indenture shall be deleted and amended to read in its entirety as set forth
below: 
 (6) [Intentionally omitted]. 

ARTICLE 5 
 AMENDMENTS
TO ARTICLE X—GUARANTEES 
 SECTION 5.1. At the Effective Time, Section 10.7 of the Indenture shall be deleted and amended to
read in its entirety as set forth below: 
 SECTION 10.7. [Intentionally omitted]. 

ARTICLE 6 
 AMENDMENTS
TO THE NOTES AND EXHIBIT 1 TO THE INDENTURE 
 SECTION 6.1. At the Effective Time, each of the Notes and Exhibit 1 to the Indenture
shall be amended by amending and restating Section (7) on the reverse side thereof in its entirety as follows: 
 (7) [Intentionally
omitted.] 
 SECTION 6.2. At the Effective Time, each of the Notes and Exhibit 1 to the Indenture shall be amended by amending and restating
the first paragraph of Section (14) on the reverse side thereof in its entirety as follows: 

  
 5 

 “Under the Indenture, Events of Default include (i) failure to pay the principal
of, or any premium on, the Notes when due at the Stated Maturity, upon optional redemption, upon required repurchase, upon declaration of acceleration or otherwise; (ii) failure to pay interest on the Notes when due, continued for 30 days; and
(iii) the Guarantee of any Guarantor ceases to be in full force and effect or is declared null and void by any responsible officer of such Guarantor, other than any such cessation, denial or disaffirmation in connection with the termination of
such Guarantee pursuant to the provisions of the Indenture.” 
 ARTICLE 7 

EFFECTIVENESS 
 SECTION
7.1. This First Supplemental Indenture shall become a binding agreement between the parties hereto when executed by the parties hereto; provided, that the amendments to the Indenture set forth herein shall only become operative at the time and date
at which the validly tendered Notes are accepted for exchange by the MLP pursuant to, and subject to the conditions set forth in, the Statement and the Issuers provide notice thereof to the Trustee and D.F. King & Co., Inc., in its capacity
as depositary for the Notes in connection with the Exchange Offer and the Consent Solicitation (each as defined in the Statement) (the “Effective Time”). If the Exchange Offer and the Consent Solicitation is withdrawn or if the
transactions contemplated by the Exchange Offer and the Consent Solicitation are not consummated for any reason upon the terms and conditions described in the Statement, then the terms of this First Supplemental Indenture shall be null and void and
the Indenture and the Notes shall continue in full force and effect without any modification or amendment hereby and the Issuers shall provide written notice to the Trustee of such fact. 

ARTICLE 8 

MISCELLANEOUS 
 SECTION
8.1. Amendments to the Indenture pursuant to this First Supplemental Indenture shall also apply to the Notes, including, without limitation, provisions of the Notes amended as set forth in the amendments to the Exhibits or Appendices to the
Indenture. 
 SECTION 8.2. The Trustee accepts the trusts created by the Indenture, as amended and supplemented by this First Supplemental
Indenture, and agrees to perform the same upon the terms and conditions of the Indenture, as amended and supplemented by this First Supplemental Indenture. 

SECTION 8.3. When the amendments to the Indenture set forth herein shall become operative as provided in Article 7 above, the terms and
conditions of this First Supplemental Indenture shall be part of the terms and conditions of the Indenture for any and all purposes, and all the terms and conditions of both shall be read together as though they constitute one and the same
instrument, except that in the case of conflict, the provisions of this First Supplemental Indenture will control. 

  
 6 

 SECTION 8.4. Except as expressly amended hereby, the Indenture and the Notes are in all
respects ratified and confirmed, and all the terms, conditions and provisions thereof shall remain in full force and effect. This First Supplemental Indenture shall form a part of the Indenture for all purposes, and every holder of Notes
heretofore or hereafter authenticated and delivered shall be bound hereby. This First Supplemental Indenture constitutes an integral part of the Indenture. 

SECTION 8.5. All agreements of the Issuers and the Guarantors in this First Supplemental Indenture and the Notes and the Guarantees, as
applicable, shall bind their respective successors and assigns. All agreements of the Trustee in this First Supplemental Indenture shall bind its successors and assigns. 

SECTION 8.6. In case any one or more of the provisions in this First Supplemental Indenture or in the Notes shall be held invalid, illegal or
unenforceable, in any respect for any reason, the validity, legality and enforceability of any such provision in every other respect and of the remaining provisions shall not in any way be affected or impaired thereby, it being intended that all of
the provisions hereof shall be enforceable to the full extent permitted by law. 
 SECTION 8.7. Nothing in this First Supplemental
Indenture, express or implied, shall give to any Person, other than the parties hereto and their successors under the Indenture and the Holders of the Notes, any benefit or any legal or equitable right, remedy or claim under the Indenture. A
director, officer, employee or stockholder (other than the Issuers), as such, of the Issuers shall not have any liability for any obligations of the Issuers under the Notes or this First Supplemental Indenture or for any claim based on, in respect
of or by reason of such obligations or their creation. 
 SECTION 8.8. The parties may sign any number of copies of this First Supplemental
Indenture. Each signed copy shall be an original, but all of them together represent the same agreement. One signed copy is enough to prove this First Supplemental Indenture. 

SECTION 8.9. This First Supplemental Indenture and the Notes shall be governed by, and construed in accordance with, the laws of the State of
New York. 
 SECTION 8.10. Any Notes authenticated and delivered after the close of business on the date that this Supplemental Indenture
becomes operative in substitution for Notes then outstanding and all Notes presented or delivered to the Trustee on and after that date for such purpose shall be stamped, imprinted or otherwise legended by the MLP, with a notation as follows: 

“Effective as of November 1, 2019, certain restrictive covenants of the Issuers and certain Events of Default have been eliminated
or limited, as provided in the First Supplemental Indenture, dated as of November 1, 2019. Reference is hereby made to such Supplemental Indenture, copies of which are on file with the Trustee, for a description of the amendments made
therein.” 

  
 7 

 SECTION 8.11. The Section and Article headings herein have been inserted for convenience of
reference only, are not to be considered a part of this First Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions hereof. 

[Remainder of page intentionally left blank.] 

  
 8 

 IN WITNESS WHEREOF, the parties hereto have caused this First Supplemental Indenture to be
duly executed as of the date first written above. 
  

			
	ISSUERS:
	
	HESS INFRASTRUCTURE PARTNERS LP
	
	By: Hess Infrastructure Partners GP LLC, its general partner
		
	By:	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Chief Financial Officer
	
	HESS INFRASTRUCTURE PARTNERS FINANCE CORPORATION
		
	By:	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Vice President
	
	GUARANTORS:
	
	HESS MIDSTREAM PARTNERS GP LLC
		
	By	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Chief Financial Officer
	
	HESS MIDSTREAM PARTNERS GP LP
		
	By:	 	Hess Midstream Partners GP LLC, its general partner
		
	By	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Chief Financial Officer

 [Signature Page to First Supplemental Indenture] 

			
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Patrick Giordano

		 	Name: Patrick Giordano
		 	Title: Vice President

 [Signature Page to First Supplemental Indenture]EX-4.5

 Exhibit 4.5 

EXECUTION VERSION 
 SECOND
SUPPLEMENTAL INDENTURE 
 SECOND SUPPLEMENTAL INDENTURE (this “Second Supplemental Indenture”), dated as of
December 16, 2019, among Hess Infrastructure Partners LP, a Delaware limited partnership (the “Company”), Hess Infrastructure Partners Finance Corporation, a Delaware corporation (“Finance Corp.” and, together
with the Company, the “Issuers”), Hess Midstream Operations LP (f/k/a Hess Midstream Partners LP), a Delaware limited partnership (the “OpCo”), the Guarantors (as defined in the Indenture (as defined below)) and
Wells Fargo Bank, National Association, as trustee (the “Trustee”). Capitalized terms used herein and not otherwise defined shall have the respective meanings ascribed thereto in the Indenture. 

W I T N E S S E T H: 
 WHEREAS,
the Issuers, the Guarantors and the Trustee have heretofore executed and delivered an Indenture (as supplemented by the First Supplemental Indenture, dated November 1, 2019, the “Indenture”), dated as of November 22, 2017,
providing for the issuance of 5.625% Senior Notes due 2026 (the “Notes”); 
 WHEREAS, Section 9.2 of the Indenture
provides, inter alia, that, in certain circumstances, the Issuers and the Trustee may amend the Indenture and the Notes with the consent of the Holders of at least a majority in principal amount of the Notes then outstanding; 

WHEREAS, the Issuers have distributed an Offering Memorandum and Consent Solicitation Statement, dated October 4, 2019 (as amended,
supplemented and otherwise modified from time to time, the “Statement”), to the Holders of the Notes in connection with the offer to exchange for new 5.625% Senior Notes due 2026 of the OpCo, any and all of the outstanding
Notes and the concurrent solicitation of such Holders’ consents to certain proposed amendments to the Indenture as further described in the Statement; 

WHEREAS, on October 3, 2019, Hess Midstream LP, a Delaware limited partnership (“New HESM”), Hess Midstream GP LP, a
Delaware limited partnership and the general partner of New HESM (“New HESM GP LP”), Hess Midstream New Ventures II, LLC, a Delaware limited liability company and wholly owned subsidiary of New HESM (“Merger Sub”),
the OpCo, Hess Midstream Partners GP LP, a Delaware limited partnership and the general partner of the OpCo (“HESM GP LP”), and HIP Infrastructure Partners GP LLC, a Delaware limited liability company and the limited partner of New
HESM, entered into an agreement and plan of merger, pursuant to which on the date hereof, New HESM indirectly acquired control of the OpCo by way of a merger of Merger Sub with and into the OpCo, with the OpCo surviving the merger; 

WHEREAS, on October 3, 2019, the OpCo, HESM GP LP, Hess Midstream Partners GP LLC, a Delaware limited liability company and the general
partner of HESM GP LP (“HESM GP LLC”), the Company, Hess Infrastructure Partners GP LLC, a Delaware limited liability company and the general partner of the Company, New HESM, New HESM GP LP, Hess Midstream GP LLC, a Delaware
limited liability company and the general partner of New HESM GP LP, Merger Sub, Hess Investments North Dakota LLC, a Delaware limited liability company, GIP II Blue Holding Partnership, L.P., a Delaware limited partnership and Hess Infrastructure
Partners Holdings LLC, a Delaware limited liability company, entered into a partnership restructuring agreement, which provided for the restructuring of the OpCo and its subsidiaries on the date hereof through a series of related transactions; 

 WHEREAS, Section 5.1 (“When the Issuers May Merge or Transfer Assets”) of the
Indenture provides, among other things, that either Issuer may consolidate with or merge into any other Person, provided that, among other things, the successor entity expressly assumes by a supplemental indenture the due and punctual payment
of the principal of, and any premium or any interest on, all the Notes and the performance of every covenant in the Indenture that such Issuer would otherwise have to perform; 

WHEREAS, pursuant to Sections 9.2 and 9.6 of the Indenture, the Trustee is authorized to execute and deliver this Second Supplemental
Indenture; 
 WHEREAS, pursuant to Section 9.1(ii) of the Indenture, the Issuers, the Guarantors and the Trustee may, without notice to
or the consent of any Holder, enter into supplemental indentures to the Indenture to, among other things, evidence the succession of another Person to an Issuer or any Guarantor and the assumption by any such Person of the obligations of such Issuer
or such Guarantor, in each case, in accordance with the provisions of Article V of the Indenture; 
 WHEREAS, the execution and delivery of
this instrument has been duly authorized and all conditions and requirements necessary to make this instrument a valid and binding agreement have been duly performed and complied with; and 

WHEREAS, the Issuers have requested that the Trustee execute and deliver this Second Supplemental Indenture. 

NOW THEREFORE, in consideration of the foregoing and for other good and valuable consideration, the receipt of which is hereby acknowledged,
the Issuers and the Trustee mutually covenant and agree for the equal and ratable benefit of all Holders of the Notes as follows: 

ARTICLE 1 
 AMENDMENTS
TO ARTICLE I—DEFINITIONS AND INCORPORATION BY REFERENCE 
 SECTION 1.1. For purposes of this Second Supplemental Indenture, the
terms defined in the recitals shall have the meanings therein specified; any capitalized terms used and not defined herein shall have the same respective meanings as assigned to them in the Indenture; and references to Articles or Sections shall,
unless the context indicates otherwise, be references to Articles or Sections of the Indenture. 
 SECTION 1.2. The words
“herein,” “hereof” and “hereby” and other words of similar import used in this Second Supplemental Indenture refer to this Second Supplemental Indenture as a whole and not to any particular section hereof. 

  
 2 

 ARTICLE 2 

ASSUMPTION OF OBLIGATIONS 

SECTION 2.1. In accordance with Section 5.1(a) of the Indenture, the OpCo hereby expressly assumes all of the obligations of the Issuers
under the Indenture and the Notes, including the due and punctual payment of the principal of, and any premium or any interest on, all the Notes and the performance of every covenant in the Indenture that the Issuers would otherwise have to perform.
The OpCo shall succeed to and be bound by all covenants, agreements, representations, warranties and acknowledgements attributable to the Issuers and may exercise every right and power of the Issuers under the Indenture and the Notes. 

ARTICLE 3 

MISCELLANEOUS 
 SECTION
3.1. Amendments to the Indenture pursuant to this Second Supplemental Indenture shall also apply to the Notes, including, without limitation, provisions of the Notes amended as set forth in the amendments to the Exhibits or Appendices to the
Indenture. 
 SECTION 3.2. The Trustee accepts the trusts created by the Indenture, as amended and supplemented by this Second Supplemental
Indenture, and agrees to perform the same upon the terms and conditions of the Indenture, as amended and supplemented by this Second Supplemental Indenture. 

SECTION 3.3. The terms and conditions of this Second Supplemental Indenture shall be part of the terms and conditions of the Indenture for any
and all purposes, and all the terms and conditions of both shall be read together as though they constitute one and the same instrument, except that in the case of conflict, the provisions of this Second Supplemental Indenture will control. 

SECTION 3.4. Except as expressly amended hereby, the Indenture and the Notes are in all respects ratified and confirmed, and all the terms,
conditions and provisions thereof shall remain in full force and effect. This Second Supplemental Indenture shall form a part of the Indenture for all purposes, and every holder of Notes heretofore or hereafter authenticated and delivered shall
be bound hereby. This Second Supplemental Indenture constitutes an integral part of the Indenture. 
 SECTION 3.5. All agreements of the
Issuers and the Guarantors in this Second Supplemental Indenture and the Notes and the Guarantees, as applicable, shall bind their respective successors and assigns. All agreements of the Trustee in this Second Supplemental Indenture shall bind its
successors and assigns. 

  
 3 

 SECTION 3.6. In case any one or more of the provisions in this Second Supplemental Indenture
or in the Notes shall be held invalid, illegal or unenforceable, in any respect for any reason, the validity, legality and enforceability of any such provision in every other respect and of the remaining provisions shall not in any way be affected
or impaired thereby, it being intended that all of the provisions hereof shall be enforceable to the full extent permitted by law. 

SECTION 3.7. Nothing in this Second Supplemental Indenture, express or implied, shall give to any Person, other than the parties hereto and
their successors under the Indenture and the Holders of the Notes, any benefit or any legal or equitable right, remedy or claim under the Indenture. A director, officer, employee or stockholder (other than the Issuers), as such, of the Issuers shall
not have any liability for any obligations of the Issuers under the Notes or this Second Supplemental Indenture or for any claim based on, in respect of or by reason of such obligations or their creation. 

SECTION 3.8. The parties may sign any number of copies of this Second Supplemental Indenture. Each signed copy shall be an original, but all
of them together represent the same agreement. One signed copy is enough to prove this Second Supplemental Indenture. 
 SECTION 3.9. This
Second Supplemental Indenture and the Notes shall be governed by, and construed in accordance with, the laws of the State of New York. 

SECTION 3.10. The Section and Article headings herein have been inserted for convenience of reference only, are not to be considered a part of
this Second Supplemental Indenture and shall in no way modify or restrict any of the terms or provisions hereof. 
 [Remainder of page
intentionally left blank] 
  

  
 4 

 IN WITNESS WHEREOF, the parties hereto have caused this Second Supplemental Indenture to be
duly executed as of the date first written above. 
 ISSUERS: 

 

			
	HESS INFRASTRUCTURE PARTNERS LP
	
	By: Hess Midstream Operations, LP its general partner
	By: Hess Midstream LP, as delegate of authority of Hess Midstream Partners GP LP, the general partner of Hess Midstream Operations LP
	By: Hess Midstream GP LP, as general partner of Hess Midstream LP
	By: Hess Midstream GP LLC, as general partner of Hess Midstream GP LP
		
	By:	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Chief Financial Officer
	
	HESS INFRASTRUCTURE PARTNERS FINANCE CORPORATION
		
	By:	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Vice President

 [Signature Page to Second Supplemental Indenture] 

 
			
	HESS MIDSTREAM OPERATIONS LP
	
	By: Hess Midstream LP, as delegate of authority of Hess Midstream Partners GP LP, the general partner of Hess Midstream Operations LP
	By: Hess Midstream GP LP, as general partner of Hess Midstream LP
	By: Hess Midstream GP LLC, as general partner of Hess Midstream GP LP
		
	By:	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Chief Financial Officer
	
	GUARANTORS:
	
	HESS MIDSTREAM PARTNERS GP LLC
		
	By	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Chief Financial Officer
	
	HESS MIDSTREAM PARTNERS GP LP
	
	By: Hess Midstream Partners GP LLC, its general partner
		
	By	 	 /s/ Jonathan C. Stein

		 	Name: Jonathan C. Stein
		 	Title: Chief Financial Officer

 [Signature Page to Second Supplemental Indenture] 

			
	WELLS FARGO BANK, NATIONAL ASSOCIATION, as Trustee
		
	By:	 	 /s/ Patrick Giordano

		 	Name: Patrick Giordano
		 	Title: Vice President

 [Signature Page to Second Supplemental Indenture]

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