Document:

EX-4.2

 Exhibit 4.2 

Execution Version 

FIRST SUPPLEMENTAL INDENTURE 

This First Supplemental Indenture (this “Supplemental Indenture”), dated as of May 10, 2018, among McDermott Technology
(Americas), Inc. (“Survivor Corp. 1”), McDermott Technology (US), Inc. (“Survivor Corp. 2” and together with Survivor Corp. 1, the “Post-Merger Co-Issuers”),
McDermott International, Inc. (the “Company”), each of the other Guarantors listed on the signature pages hereto (collectively, the “Guaranteeing Subsidiaries”), and Wells Fargo Bank, National Association, a
national banking association, as trustee (the “Trustee”). 
 W I T N E S S E T H 

WHEREAS, McDermott Escrow 1, Inc. (“Escrow Issuer 1”) and McDermott Escrow 2, Inc. (“Escrow Issuer 2” and,
together with Escrow Issuer 1, the “Initial Co-Issuers”) have heretofore executed and delivered to the Trustee an Indenture (the “Indenture”), dated as of April 18, 2018,
providing for the issuance of $1,300,000,000 aggregate principal amount of 10.625% Senior Notes due 2024 (the “Notes”); 

WHEREAS, on the date hereof, Escrow Issuer 1 will be merging with and into Survivor Corp. 1 and Escrow Issuer 2 will be merging with and into
Survivor Corp. 2, with the Post-Merger Co-Issuers being the surviving Persons of such mergers and the Initial Co-Issuers ceasing to exist (the
“Mergers”); and 
 WHEREAS, pursuant to Section 9.5 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 parties mutually covenant and agree for the equal and ratable benefit of the Holders as follows: 
 (1)
Capitalized Terms. Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture. 
 (2)
Assumption of Obligations. Effective upon consummation of the Mergers, each of the Post-Merger Co-Issuers, pursuant to Article 5 of the Indenture, hereby expressly assumes and agrees to pay, perform
and/or discharge when due each and every debt, obligation, covenant and agreement incurred, made or to be paid, performed or discharged by the Initial Co-Issuers under the Indenture and the Notes. Each of the
Post-Merger Co-Issuers hereby agrees to be bound by all the terms, provisions and conditions of the Indenture and the Notes to which the Initial Co-Issuers were
theretofore bound, and, as the surviving entity, shall succeed to, and be substituted for, and may exercise every right and power of, the Initial Co-Issuers under the Indenture and the Notes, and each of the
Initial Co-Issuers is relieved of all of its obligations and duties under the Indenture and the Notes. 

(3) Agreement to Guarantee. The Company and the Guaranteeing Subsidiaries each hereby fully, unconditionally and irrevocably
guarantees, as primary obligor and not merely as a surety, jointly and severally with each other Guarantor, to each Holder and the Trustee, the full 

 
and punctual payment when due, whether at maturity, by acceleration, by redemption or otherwise, of the Obligations of the Issuers pursuant to the Notes and the Indenture in accordance with
Section 10.1(a) of the Indenture. The Company also hereby agrees to perform each and every covenant and agreement made by the Company as set forth in the Indenture. 

(4) No Recourse Against Others. No past, present or future director, officer, employee, incorporator, member, partner or stockholder of
the Post-Merger Co-Issuers or any Guarantor or the Company or their subsidiaries (other than the Post-Merger Co-Issuers and the Guarantors) shall have any liability for
any obligations of the Post-Merger Co-Issuers or the Guarantors under the Notes, the 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 by accepting Notes waives and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. 

(5) Governing Law. THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK.

 (6) 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. This Supplemental Indenture may be executed in multiple counterparts, which, when taken together, shall constitute one instrument. The exchange of copies of this Supplemental Indenture and of
signature pages by facsimile or PDF transmissions shall constitute effective execution and delivery of this Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures
of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes. 
 (7) Effect of
Headings. The Section headings herein are for convenience only and shall not affect the construction hereof. 
 (8) 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
Post-Merger Co-Issuers, the Company and the Guaranteeing Subsidiaries. 
 (9) Successors. All
agreements of each of the Post-Merger Co-Issuers, the Company and the Guaranteeing Subsidiaries in this Supplemental Indenture shall bind its successors, except as otherwise provided in this Supplemental
Indenture. All agreements of the Trustee in this Supplemental Indenture shall bind its successors. 
 (10) Limitation on Guarantor’s
Liability. 
 (a) Norway 

(1) Notwithstanding anything set out to the contrary in the Indenture, this Supplemental Indenture or any other Indenture
Document, the obligations and liabilities of J. Ray McDermott (Norway) AS under any provision of the Indenture, this Supplemental Indenture or any other Indenture Document to which it is a party shall not

  
 2 

 
include any obligations or liabilities to the extent they would constitute unlawful financial assistance within the meaning of Section 8-7 and/or 8-10, cfr. Section 1-4, of the Norwegian Companies Act of 13 June 1997 no. 44, and the obligations and liabilities of J. Ray McDermott (Norway) AS under the
Indenture, this Supplemental Indenture or any other Indenture Document only apply to the extent permitted by those provisions of the Norwegian Companies Act of 13 June 1997 no. 44. 

(2) The total liability of J. Ray McDermott (Norway) AS under the Indenture, this Supplemental Indenture or any other Indenture
Document to which it is a party shall never exceed $1,800,000,000 plus interest thereon and fees, costs and expenses as set out in the Indenture, this Supplemental Indenture or any other Indenture Document. 

[Signature Pages Follow] 

  
 3 

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

			
	MCDERMOTT TECHNOLOGY (AMERICAS), INC.

 
			
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	 Executive Vice President and Chief Financial Officer

	
	MCDERMOTT TECHNOLOGY (US), INC.

 
			
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	 Executive Vice President and Chief Financial
Officer

 
			
	
	GUARANTORS
	
	MCDERMOTT INTERNATIONAL, INC.

 
			
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	 Executive Vice President and Chief Financial
Officer

 
			
	
	MCDERMOTT, INC.

 
			
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	President and Chief Financial Officer

  
 [Signature Page –
Supplemental Indenture] 

			
	CHARTERING COMPANY (SINGAPORE) PTE. LTD.	  	MCDERMOTT GULF OPERATING COMPANY, INC.
	EASTERN MARINE SERVICES, INC.	  	MCDERMOTT INTERNATIONAL TRADING CO., INC.
	HYDRO MARINE SERVICES, INC.	  	MCDERMOTT INTERNATIONAL VESSELS, INC.
	J. RAY MCDERMOTT (NORWAY), AS	  	MCDERMOTT OFFSHORE SERVICES COMPANY, INC.
	J. RAY MCDERMOTT (QINGDAO) PTE. LTD.	  	MCDERMOTT OVERSEAS, INC.
	J. RAY MCDERMOTT FAR EAST, INC.	  	MCDERMOTT SUBSEA ENGINEERING, INC.
	J. RAY MCDERMOTT SOLUTIONS, INC.	  	MCDERMOTT SUBSEA, INC.
	J. RAY MCDERMOTT TECHNOLOGY, INC.	  	SPARTEC, INC.
	J. RAY MCDERMOTT UNDERWATER SERVICES, INC.	  	
	MCDERMOTT ASIA PACIFIC PTE. LTD.	  	
	MCDERMOTT CASPIAN CONTRACTORS, INC.	  	
	MCDERMOTT ENGINEERING, LLC	  	

  

			
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Authorized Person

  
 [Signature Page –
Supplemental Indenture] 

			
	J. RAY HOLDINGS, INC. 	  	 MCDERMOTT INTERNATIONAL INVESTMENTS CO., INC.

	J. RAY MCDERMOTT HOLDINGS, LLC	  	 MCDERMOTT INTERNATIONAL MANAGEMENT, S. DE RL.

	 J. RAY MCDERMOTT INTERNATIONAL, INC.
	  	 MCDERMOTT MIDDLE EAST, INC.

	 J. RAY MCDERMOTT, S.A.
	  	 MCDERMOTT OLD JV OFFICE, INC.

	 MCDERMOTT BLACKBIRD HOLDINGS, LLC
	  	 NORTH ATLANTIC VESSEL, INC.

	 MCDERMOTT FINANCE L.L.C.
	  	 OPI VESSELS, INC.

	 MCDERMOTT INVESTMENTS, LLC
	  	

  

			
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Executive Vice President and Chief Financial Officer

  
 [Signature Page –
Supplemental Indenture] 

 
			
	
J. RAY MCDERMOTT DE MÉXICO, S.A. DE C.V.

	 MCDERMOTT MARINE MÉXICO, S.A. DE C.V.

	 SERVICIOS DE FABRICACIÓN DE ALTAMIRA, S.A. DE C.V.

	 SERVICIOS PROFESIONALES DE ALTAMIRA, S.A. DE C.V.

  

			
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Authorized Person

  
 [Signature Page –
Supplemental Indenture] 

 
			
	Executed as a Deed by
	J. RAY MCDERMOTT INTERNATIONAL VESSELS, LTD.
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Kevin Hargrove

	Name:	 	Kevin Hargrove
	Title:	 	Assistant Treasurer
	
	Executed as a Deed by
	MCDERMOTT CAYMAN LTD.
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	 Executive Vice President and Chief Financial Officer

	
	Witnessed
		
	By:	 	 /s/ Kevin Hargrove

	Name:	 	Kevin Hargrove
	Title:	 	Assistant Treasurer
	
	Executed as a Deed by
	OFFSHORE PIPELINES INTERNATIONAL, LTD.
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Kevin Hargrove

	Name:	 	Kevin Hargrove
	Title:	 	Assistant Treasurer

  
 [Signature Page –
Supplemental Indenture] 

	
	Executed by J. RAY MCDERMOTT (AUST.) HOLDING PTY. LIMITED. ACN 002 797 668 by its attorney under power of attorney which the attorney has received no notice of the revocation of the power:
	
	 /s/ Stuart A. Spence
 Signature of
attorney

	
	 Stuart A. Spence
 Name of attorney
(print)

	
	Executed by MCDERMOTT AUSTRALIA PTY. LTD. ACN 002 736 352 by its attorney under power of attorney which the attorney has received no notice of the revocation of the power:
	
	 /s/ Stuart A. Spence
 Signature of
attorney

	
	 Stuart A. Spence
 Name of attorney
(print)

  
 [Signature Page –
Supplemental Indenture] 

 
			
	Executed and Delivered as a Deed by
	MCDERMOTT HOLDINGS (U.K.) LIMITED
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ Kevin Hargrove

	Name:	 	Kevin Hargrove
	Title:	 	Authorised Person
	
	Executed and Delivered as a Deed by
	 MCDERMOTT MARINE CONSTRUCTION LIMITED

		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ Kevin Hargrove

	Name:	 	Kevin Hargrove
	Title:	 	Assistant Treasurer

  
 [Signature Page –
Supplemental Indenture] 

 
			
	MCDERMOTT TECHNOLOGY (2), B.V.
	MCDERMOTT TECHNOLOGY (3), B.V.
	MCDERMOTT TECHNOLOGY, B.V.

  

			
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Attorney

  
 [Signature Page –
Supplemental Indenture] 

 
			
	 MCDERMOTT INTERNATIONAL MARINE
INVESTMENTS N.V.

	 MCDERMOTT OVERSEAS INVESTMENT CO. N.V.

	VARSY INTERNATIONAL N.V.

  

			
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence
	Title:	 	Attorney

  
 [Signature Page –
Supplemental Indenture] 

 
			
	 WELLS FARGO BANK, NATIONAL

ASSOCIATION, as Trustee

 

			
	By:	 	 /s/ Tina D. Gonzalez

	Name:	 	Tina D. Gonzalez
	Title:	 	Vice President

  
 [Signature Page –
Supplemental Indenture]EX-4.3

 Exhibit 4.3 

Execution Version 

SECOND SUPPLEMENTAL INDENTURE 

This Second Supplemental Indenture (this “Supplemental Indenture”), dated as of May 10, 2018, among McDermott Technology
(Americas), Inc. (“Survivor Corp. 1”), McDermott Technology (US), Inc. (“Survivor Corp. 2” and together with Survivor Corp. 1, the “Post-Merger Co-Issuers”),
as the Issuers, each of the Guarantors listed on the signature pages hereto (collectively, the “Guaranteeing Subsidiaries”), and Wells Fargo Bank, National Association, a national banking association, as trustee (the
“Trustee”). 
 WITNESSETH 

WHEREAS, McDermott Escrow 1, Inc. (“Escrow Issuer 1”) and McDermott Escrow 2, Inc. (“Escrow Issuer 2” and,
together with Escrow Issuer 1, the “Initial Co-Issuers”) have heretofore executed and delivered to the Trustee an Indenture (as supplemented, the “Indenture”), dated as of
April 18, 2018, providing for the issuance of $1,300,000,000 aggregate principal amount of 10.625% Senior Notes due 2024 (the “Notes”); 

WHEREAS, on the date hereof, (i) Escrow Issuer 1 has merged with and into Survivor Corp. 1 and Escrow Issuer 2 has merged with and into
Survivor Corp. 2, with the Post-Merger Co-Issuers being the surviving Persons of such mergers and the Initial Co-Issuers ceasing to exist and (ii) McDermott
International, Inc. and certain of its subsidiaries have become parties to the Indenture as Guarantors pursuant to a separate supplemental indenture; and 

WHEREAS, pursuant to Section 9.5 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 parties mutually covenant and agree for the equal and ratable benefit of the Holders as follows: 
 (1) Capitalized Terms.
Capitalized terms used herein without definition shall have the meanings assigned to them in the Indenture. 
 (2) [Reserved]. 

(3) Agreement to Guarantee. The Guaranteeing Subsidiaries each hereby fully, unconditionally and irrevocably guarantees, as primary
obligor and not merely as a surety, jointly and severally with each other Guarantor, to each Holder and the Trustee, the full and punctual payment when due, whether at maturity, by acceleration, by redemption or otherwise, of the Obligations of the
Issuers pursuant to the Notes and the Indenture in accordance with Section 10.1(a) of the Indenture. 
 (4) No Recourse Against
Others. No past, present or future director, officer, employee, incorporator, member, partner or stockholder of the Post-Merger Co-Issuers or any Guarantor or their subsidiaries (other than the Post-Merger
Co-Issuers and the Guarantors) shall have any liability for any obligations of the Post-Merger Co-Issuers or the Guarantors under the Notes, the

 
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 by accepting Notes waives and
releases all such liability. The waiver and release are part of the consideration for issuance of the Notes. 
 (5) Governing Law.
THIS SUPPLEMENTAL INDENTURE WILL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE STATE OF NEW YORK. 
 (6)
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. This Supplemental Indenture may be executed in multiple
counterparts, which, when taken together, shall constitute one instrument. The exchange of copies of this Supplemental Indenture and of signature pages by facsimile or PDF transmissions shall constitute effective execution and delivery of this
Supplemental Indenture as to the parties hereto and may be used in lieu of the original Supplemental Indenture for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all
purposes. 
 (7) Effect of Headings. The Section headings herein are for convenience only and shall not affect the construction
hereof. 
 (8) 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 Post-Merger Co-Issuers and the Guaranteeing Subsidiaries. 

(9) Successors. All agreements of each of the Post-Merger Co-Issuers and the Guaranteeing
Subsidiaries in this Supplemental Indenture shall bind its successors, except as otherwise provided in this Supplemental Indenture. All agreements of the Trustee in this Supplemental Indenture shall bind its successors. 

(10) Limitation on Guarantor’s Liability. 
  

	 	(a)	Ireland 

 (1) Notwithstanding anything set out to the contrary in the Indenture,
this Supplemental Indenture or any other Indenture Document to the contrary, the Guarantee provided by the Guaranteeing Subsidiaries does not extend to any part of the Notes Obligations to the extent that doing so would result in the Guarantee
constituting unlawful financial assistance within the meaning of section 82 of the Companies Act 2014 of Ireland. 
  

	 	(b)	Arkansas 

 (1) Each Guaranteeing Subsidiary organized or incorporated in
Arkansas acknowledges that it will receive direct and indirect benefits from the financing arrangements contemplated by the Indenture, and that the waivers set forth in the Indenture are knowingly made in contemplation of such benefits. 

  
 2 

	 	(c)	Liechtenstein 

 (1) If and to the extent that (i) the obligations of a
Guaranteeing Subsidiary incorporated under the laws of Liechtenstein (each, a “Liechtenstein Guarantor”) which arise under this Supplemental Indenture or any other Secured Debt Document (as defined in the Collateral Agency and
Intercreditor Agreement (as defined in the Credit Agreement)) as well as any payments thereunder are for the benefit of the Liechtenstein Guarantor’s (a) direct or indirect shareholder(s), or (b) other affiliated companies (other than
its direct or indirect subsidiaries), and (ii) complying with such obligations would constitute a violation of Art. 545 (2) of the Liechtenstein Persons and Companies Act (Personen- und Gesellschaftsrecht) or similar mandatory provisions
of Liechtenstein corporate law prohibiting capital repayment or restricting profit distributions, then the aggregate obligations of the Liechtenstein Guarantor under this Supplemental Indenture and any other Secured Debt Document shall be limited as
follows: 
 (i) The aggregate obligations of the Liechtenstein Guarantor under any Secured Debt Document (including but not
limited to this Supplemental Indenture) including the proceeds from the enforcement of any security interest granted by the Liechtenstein Guarantor under any Secured Debt Document shall be limited to the maximum amount of the Liechtenstein
Guarantor’s distributable net assets available for distribution to the shareholders of the respective Liechtenstein Guarantor in accordance with Art. 545 (2) of the Liechtenstein Persons and Companies Act (Personen- und
Gesellschaftsrecht) and other mandatory provisions of Liechtenstein corporate law and the provisions of its articles of association and by-laws (net of taxes, if applicable) at the time the relevant
payment becomes due (from time to time, each a “Liechtenstein Minimum Guarantee Amount”). 
 (ii) The
limitations set out herein (as may apply) shall not (generally or definitively) free the Liechtenstein Guarantor from its obligations hereunder or under any other Secured Debt Document in excess thereof, but merely postpone the fulfilment date
thereof until such time or times as fulfilment is again possible in accordance with the above mentioned limitations. 
 (iii)
In order to allow the Holders to obtain the maximum benefit under and out of this Supplemental Indenture and the other Secured Debt Documents, the Liechtenstein Guarantor undertakes to promptly implement all such measures and/or to promptly procure
the fulfilment of all prerequisites allowing it to make the (requested) payment(s), including the following: 
 (1) preparation of an
audited interim balance sheet (geprüfter Zwischenabschluss) of the Liechtenstein Guarantor in accordance with generally accepted accounting principles and Liechtenstein law, observing the accounting principles applied in the previous
years for the creation of the non-consolidated financial statement; 

  
 3 

 (2) confirmation of the auditors of the relevant Liechtenstein Guarantor that the relevant
Liechtenstein Minimum Guarantee Amount represents (the maximum of) freely distributable profits (verfügbarer Reingewinn); 

(3) approval by the shareholders of the Liechtenstein Guarantor of the (resulting) profit distribution in the amount of the Liechtenstein
Minimum Guarantee Amount; and 
 (4) all such other measures necessary or useful to allow the Liechtenstein Guarantor to make the payments
agreed hereunder with a minimum of limitation, including the conversion of unnecessary restricted reserves into distributable reserves and the disposal of any of its assets that are not required for the Liechtenstein Guarantor’s business and
the book value of which is significantly lower than its market value, in which case the Liechtenstein Guarantor shall notify the Trustee immediately about the sale proceeds and the book value of its respective assets and of the realized hidden
reserves (stille Reserven). 
 For avoidance of doubt, the limitations hereinbefore referred to shall not lead to an obligation of the Liechtenstein
Guarantor to decrease its statutory capital or statutory reserves (statutarischer Reservefonds). 
 [Signature Pages Follow]

  
 4 

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

			
	MCDERMOTT TECHNOLOGY (AMERICAS), INC.

 
			
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence

	Title:	 	Executive Vice President and Chief Financial Officer

 
			
	
	MCDERMOTT TECHNOLOGY (US), INC.

 
			
		
	By:	 	 /s/ Stuart A. Spence

	Name:	 	Stuart A. Spence

	Title:	 	President and Chief Financial Officer

  

  
 [Signature Page –
Supplemental Indenture] 

 
			
	GUARANTORS:	 	
	
	CB&I TYLER LLC
	CBI AMERICAS LTD.
	 CENTRAL TRADING COMPANY LTD.

	 CHICAGO BRIDGE & IRON COMPANY

	 CHICAGO BRIDGE & IRON COMPANY (DELAWARE)

	 LUMMUS TECHNOLOGY LLC

	 CB&I HOLDCO INTERNATIONAL, LLC

	 CB&I HOLDCO, LLC

	 CB&I INTERNATIONAL, LLC

	 CB&I OFFSHORE SERVICES, INC.

	 CB&I LLC

	 CHEMICAL RESEARCH & LICENSING,
LLC

  

			
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Treasurer

  
 [Signature Page –
Supplemental Indenture] 

			
	ATLANTIC CONTINGENCY CONSTRUCTORS II, LLC	  	CB&I RIO GRANDE HOLDINGS, L.L.C.
	CB&I CLEARFIELD, INC.	  	 CB&I RIO GRANDE VALLEY FABRICATION & MANUFACTURING, L.L.C.

	CB&I FINANCIAL RESOURCES LLC	  	CB&I WALKER LA, L.L.C.
	CB&I HOUSTON 09 LLC	  	INTERNATIONAL CONSULTANTS, L.L.C.
	CB&I HOUSTON 10 LLC	  	SHAW ALLOY PIPING PRODUCTS, LLC
	CB&I HOUSTON 11 LLC	  	SHAW ENERGY SERVICES, INC.
	CB&I HOUSTON 12 LLC	  	SHAW FABRICATORS, INC.
	CB&I HOUSTON 13 LLC	  	SHAW FAR EAST SERVICES, LLC
	CB&I PROJECT SERVICES GROUP, LLC	  	SHAW HOME LOUISIANA, LLC
	CBI OVERSEAS, LLC	  	SHAW JV HOLDINGS, L.L.C.
	CBI SERVICES, LLC	  	SHAW MANAGED SERVICES, LLC
	EDS EQUIPMENT COMPANY, LLC	  	SHAW NUCLEAR ENERGY HOLDINGS (UK), INC.
	LUMMUS GASIFICATION TECHNOLOGY LICENSING LLC	  	SHAW POWER DELIVERY SYSTEMS, INC.
	LUMMUS TECHNOLOGY INTERNATIONAL LLC	  	SHAW POWER SERVICES GROUP, L.L.C.
	LUMMUS TECHNOLOGY OVERSEAS LLC	  	SHAW POWER SERVICES, LLC
	LUMMUS TECHNOLOGY SERVICES LLC	  	SHAW PROCESS FABRICATORS, INC.
	LUMMUS TECHNOLOGY VENTURES LLC	  	SHAW SERVICES, L.L.C.
	NUCLEAR ENERGY HOLDINGS, L.L.C.	  	SHAW SSS FABRICATORS, INC.
	S C WOODS, L.L.C.	  	CB&I NORTH CAROLINA, INC.
	CB&I BRAZIL HOLDINGS, INC.	  	SHAW NC COMPANY, INC.
	CB&I FABRICATION, LLC	  	CB&I LAURENS, INC.
	CB&I INTERNATIONAL ONE, LLC	  	CATALYTIC DISTILLATION TECHNOLOGIES
	CB&I LAKE CHARLES, L.L.C.	  	
	 SHAW TRANSMISSION & DISTRIBUTION SERVICES INTERNATIONAL, INC.
	  	
	CB&I POWER INTERNATIONAL, INC.	  	
	CB&I POWER, LLC	  	

  

			
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person

  
 [Signature Page –
Supplemental Indenture] 

			
	850 PINE STREET LLC	  	MATRIX MANAGEMENT SERVICES, LLC
	ASIA PACIFIC SUPPLY CO.	  	OCEANIC CONTRACTORS, INC.
	ATLANTIS CONTRACTORS INC.	  	PROSPECT INDUSTRIES (HOLDINGS) INC.
	CB&I GLOBAL, L.L.C.	  	SHAW CONNEX, INC.
	CB&I HOUSTON 06 LLC	  	TVL LENDER II, INC.
	CB&I HOUSTON 07 LLC	  	CHICAGO BRIDGE & IRON COMPANY
	CB&I HOUSTON LLC	  	CB&I ENERGY SERVICES, LLC
	CONSTRUCTORS INTERNATIONAL, L.L.C.	  	CB&I GROUP INC.
	CSA TRADING COMPANY LTD.	  	CB&I INTERNATIONAL, INC.
	HBI HOLDINGS, LLC	  	LUMMUS CONSULTANTS INTERNATIONAL LLC
	HOWE-BAKER HOLDINGS, L.L.C.	  	PIKE PROPERTIES II, INC.
	HOWE-BAKER INTERNATIONAL MANAGEMENT, LLC	  	A & B BUILDERS, LTD.
	HOWE-BAKER INTERNATIONAL, L.L.C.	  	HOWE-BAKER ENGINEERS, LTD.
	HOWE-BAKER MANAGEMENT, L.L.C.	  	MATRIX ENGINEERING, LTD.
	LUTECH RESOURCES INC.	  	

  

			
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Assistant Treasurer

  
 [Signature Page –
Supplemental Indenture] 

			
	CB&I CONNECTICUT, INC.
	CBI OVERSEAS (FAR EAST) INC.
	SHAW INTERNATIONAL INC.

 
			
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Vice President and Treasurer
	
	CBI HOLDCO TWO INC.
	CBI US HOLDING COMPANY INC.
	CHICAGO BRIDGE & IRON COMPANY (NETHERLANDS), LLC

 
			
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Vice President and Assistant Treasurer

  
 [Signature Page –
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	Executed by CBI CONSTRUCTORS PTY LTD ACN 000 612 411 by its attorney under power of attorney which the attorney has received no notice of the revocation of the power:
	
	 /s/ Joseph Christaldi
 Signature of
attorney

	
	 Joseph Christaldi
 Name of attorney
(print)

  
 [Signature Page –
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	HORTON CBI, LIMITED
	LUTECH RESOURCES CANADA LTD.
	CB&I CANADA LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person

  
 [Signature Page –
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	Executed as a Deed by
	CB&I MIDDLE EAST HOLDING, INC.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director
	
	Executed as a Deed by
	 ENVIRONMENTAL SOLUTIONS (CAYMAN) LTD.

		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director

  
 [Signature Page –
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	Executed as a Deed by
	 ENVIRONMENTAL SOLUTIONS HOLDING LTD.

		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director
	
	Executed as a Deed by
	ENVIRONMENTAL SOLUTIONS LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director
	
	Executed as a Deed by
	HIGHLAND TRADING COMPANY, LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director

  
 [Signature Page –
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	Executed as a Deed by
	OASIS SUPPLY COMPANY, LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director
	
	Executed as a Deed by
	SHAW E & I INTERNATIONAL LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director
	
	Executed as a Deed by
	SHAW OVERSEAS (MIDDLE EAST) LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	Witnessed
		
	By:	 	 /s/ Noel Woodland

	Name:	 	Noel Woodland
	Title:	 	Senior Director

  
 [Signature Page –
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	CHICAGO BRIDGE & IRON (ANTILLES) N.V.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Attorney

  
 [Signature Page –
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	SIGNED AND DELIVERED for and on behalf of and as the deed of CB & I FINANCE COMPANY LIMITED by its lawfully appointed attorney	  		  	
		  	/s/ Joseph Christaldi            	  	
	JOSEPH CHRISTALDI            	  		  	
		  	Attorney	  	
	 in the presence of:
  

(Signature of Witness): /s/ Angelo Yoder
  

(Name of Witness): Angelo Yoder
  

(Address of Witness): 2103 Research Forest Dr., The Woodlands, TX 77380
  

(Occupation of Witness): Contract Administrator
	  		  	

  
 [Signature Page –
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	CBI EASTERN ANSTALT
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person

  
 [Signature Page –
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	CB&I MATAMOROS, S. DE R. L. DE C.V.
	CHICAGO BRIDGE DE MÉXICO, S.A. DE C.V.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person

  
 [Signature Page –
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	CB&I COJAFEX B.V.
	CB&I EUROPE B.V.
	CB&I HOLDINGS B.V.
	CB&I NEDERLAND B.V.
	CB&I OIL & GAS EUROPE B.V.
	CB&I POWER COMPANY B.V.
	CB&I RUSLAND B.V.
	CBI COMPANY B.V.
	CBI COMPANY TWO B.V.
	CHICAGO BRIDGE & IRON COMPANY B.V.
	COMET II B.V.
	LEALAND FINANCE COMPANY B.V.
	LUMMUS TECHNOLOGY B.V.
	LUMMUS TECHNOLOGY HEAT TRANSFER B.V.
	LUTECH PROJECT SOLUTIONS B.V.
	LUTECH PROJECTS B.V.
	LUTECH RESOURCES B.V.
	NETHERLANDS OPERATING COMPANY B.V.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Attorney

  
 [Signature Page –
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	 NOVOLEN TECHNOLOGY HOLDINGS C.V.
  

By: McDermott Technology (3), B.V., acting in its capacity as general partner

		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Attorney

  
 [Signature Page –
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	CBI PANAMA, S.A.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person

  
 [Signature Page –
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	ARABIAN CBI LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	ARABIAN CBI TANK MANUFACTURING COMPANY LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person
	
	LUMMUS ARABIA LTD CO.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person

  
 [Signature Page –
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	CB&I GLOBAL OPERATIONS INTERNATIONAL, PTE. LTD.
	CB&I GLOBAL OPERATIONS US PTE. LTD.
	CB&I SINGAPORE PTE. LTD.
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorized Person

  
 [Signature Page –
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	Executed and Delivered as a Deed by
	AITON & CO LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	CB&I CONSTRUCTORS LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	CB&I GROUP UK HOLDINGS
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant

  
 [Signature Page –
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	Executed and Delivered as a Deed by
	CB&I HOLDINGS (UK) LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	CB&I LONDON
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	CB&I PADDINGTON LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant

  
 [Signature Page –
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	Executed and Delivered as a Deed by
	CB&I POWER LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	CB&I UK LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	CBI UK CAYMAN ACQUISITION LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant

  
 [Signature Page –
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	Executed and Delivered as a Deed by
	LUMMUS CONSULTANTS INTERNATIONAL LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	LUTECH RESOURCES LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	OXFORD METAL SUPPLY LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant

  
 [Signature Page –
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	Executed and Delivered as a Deed by
	PIPEWORK ENGINEERING AND DEVELOPMENTS LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	SHAW DUNN LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant

  
 [Signature Page –
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	Executed and Delivered as a Deed by
	SHAW GROUP UK LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant
	
	Executed and Delivered as a Deed by
	WHESSOE PIPING SYSTEMS LIMITED
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Authorised Person
	
	Witnessed
		
	By:	 	 /s/ A. Elizabeth Cowles

	Name:	 	A. Elizabeth Cowles
	Title:	 	Executive Assistant

  
 [Signature Page –
Supplemental Indenture] 

 
			
	CB&I EL DORADO, INC.
		
	 By:
	 	 /s/ Ryan Zurkuhlen

	 Name:
	 	Ryan Zurkuhlen
	 Title:
	 	President

 [Signature Page – Supplemental Indenture] 

 
			
	SHAW BENECO, INC.
		
	By:	 	 /s/ David Gross

	Name:	 	David Gross
	Title:	 	Chief Financial Officer and President
	
	SHAW MANAGEMENT SERVICES ONE, INC.
	 SHAW TRANSMISSION & DISTRIBUTION SERVICES, INC.

	 SHAW INTERNATIONAL MANAGEMENT SERVICES TWO, INC.

	SHAW POWER TECHNOLOGIES, INC.
		
	By:	 	 /s/ David Gross

	Name:	 	David Gross
	Title:	 	President

 [Signature Page – Supplemental Indenture] 

 
			
	CB&I HOUSTON 08 LLC
		
	By:	 	 /s/ Joseph Christaldi

	Name:	 	Joseph Christaldi
	Title:	 	Assistant Treasurer

 [Signature Page – Supplemental Indenture] 

 

 WELLS FARGO BANK, NATIONAL 

ASSOCIATION, as Trustee 
  

			
	By:	 	 /s/ Tina D. Gonzalez

	 Name: Tina D. Gonzalez

Title:    Vice President

 [Signature Page – Supplemental Indenture]

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