Document:

EX-4.1

 Exhibit 4.1 
 AMENDMENT NO. 2 TO CREDIT AGREEMENT 
 dated as of March 25, 2013

 among 
 MCDERMOTT INTERNATIONAL, INC. 
 as the Borrower 

and 

THE LENDERS AND ISSUERS PARTY HERETO 
 and 
 CRÉDIT AGRICOLE CORPORATE AND INVESTMENT BANK

 as Administrative Agent, Collateral Agent, Joint Lead Arranger and Joint Bookrunner 

and 

MERRILL LYNCH, PIERCE, FENNER & SMITH INCORPORATED 

and 

WELLS FARGO SECURITIES, LLC 
 as Joint Lead Arrangers and Joint Bookrunners 
 and 

BNP PARIBAS 
 as Syndication Agent 
 and 

WELLS FARGO BANK, N.A. 
 and 
 BANK OF AMERICA, N.A. 

and 

DNB BANK ASA 
 and 
 BBVA COMPASS 

as Co-Documentation Agents 

 AMENDMENT NO. 2 AND CONSENT 

This AMENDMENT NO. 2 AND CONSENT (the “Amendment”) dated March 25, 2013 (the “Amendment No. 2
Effective Date”), is among MCDERMOTT INTERNATIONAL, INC., a Panamanian corporation (“Borrower”), the Lenders and Issuers listed on the signature pages hereto, the Guarantors party hereto, and CREDIT AGRICOLE CORPORATE AND
INVESTMENT BANK, as administrative agent (in such capacity, the “Administrative Agent”) and as collateral agent (in such capacity, the “Collateral Agent”). Reference is made to the Credit Agreement dated May 3,
2010, among the Borrower, the Administrative Agent, and the Lenders and Issuers party thereto, as amended by Amendment No. 1 and Consent dated as of August 19, 2011 (such Credit Agreement, as so amended, the “Credit
Agreement”). 
 The parties hereto hereby agree as follows: 

Section 1. Defined Terms; Other Definitional Provisions. As used in this Amendment, each of the terms defined herein
shall have the meanings assigned to such terms herein. Each term defined in the Credit Agreement and used herein without definition shall have the meaning assigned to such term in the Credit Agreement, unless expressly provided to the contrary. The
words “hereof”, “herein”, and “hereunder” and words of similar import when used in this Amendment shall refer to this Amendment as a whole and not to any particular provision of this Amendment. Paragraph headings have
been inserted in this Amendment as a matter of convenience for reference only and it is agreed that such paragraph headings are not a part of this Amendment and shall not be used in the interpretation of any provision of this Amendment. 

Section 2. Amendments to Credit Agreement. 

 

	 	(a)	Section 1.1 of the Credit Agreement is hereby amended by: 

 (i) adding the following definitions in the appropriate alphabetical order: 
 “Amendment No. 2 Effective Date” means March 25, 2013. 
 “BMD” means Berlian McDermott Sdn. Bhd., a Malaysian corporation. As of the Amendment No. 2 Effective Date, the Borrower indirectly owned 25% of the Stock and Stock Equivalents of
BMD and effectively controlled 100% of the management of BMD, and BMD constituted a Restricted Subsidiary of the Borrower due to the Borrower’s indirect control of the management of BMD. 

“BMDL” means Berlian McDermott (L) Limited, a Malaysian corporation. As of the Amendment No. 2
Effective Date, BMD owned 100% of the Stock and Stock Equivalents of BMDL, and BMDL constituted a Restricted Subsidiary of the Borrower due to the Borrower’s indirect control of the management of BMD. 

“DB 30” means the marine vessel McDermott Derrick Barge No. 30, which, as of the Amendment
No. 2 Effective Date, was owned by Hydro Marine Services, Inc. and flagged in the Republic of Panama. 

  
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 (ii) amending the definition of “Capital Expenditures” to add the following
sentence to the end thereof: 
 Notwithstanding the foregoing, Capital Expenditures of BMD and its wholly-owed subsidiary BMDL
shall be limited to the greater of (i) Borrower’s direct or indirect ownership percentage of the Stock and Stock Equivalents of BMD and (ii) Borrower’s direct or indirect percentage of control of the management of BMD.

  

	 	(b)	Section 8.1 of the Credit Agreement is hereby amended by: 

  

	 	(i)	deleting “and” from the end of clause (n); 

  

	 	(ii)	replacing the period at the end of clause (o) with “; and”; 

 

	 	(iii)	adding the following new clause (p): 

 (p) Indebtedness arising from loans, advances or extensions of credit to BMD and/or BMDL that are permitted by Section 8.5(s) (Restricted Payments). 

 

	 	(c)	Section 8.2 of the Credit Agreement is hereby amended by: 

  

	 	(i)	deleting “and” from the end of clause (n); 

  

	 	(ii)	replacing the period at the end of clause (o) with “; and”; 

 

	 	(iii)	adding the following new clause (p): 

 (p) Liens on the assets of BMD and/or BMDL securing Indebtedness permitted by Section 8.1(p) (Indebtedness). 
  

	 	(d)	Section 8.4 of the Credit Agreement is hereby amended by: 

  

	 	(i)	amending clause (i) in its entirety as follows: 

(i) in the case of the Asset Sale of one or more Mortgaged Properties or Mortgaged Vessels or Stock
in a Mortgaged Vessel Owning Subsidiary or a Subsidiary which directly or indirectly owns a Mortgaged Vessel Owning Subsidiary, so long as (i) no Default or Event of Default is continuing or would result therefrom, (ii) the Asset Sale is
for Fair Market Value, (iii) except to the extent that the Borrower or a Guarantor receives one or more marine vessels from another Person in trade or exchange for such assets so disposed of, at least 75% of the consideration for such Asset
Sale consists of cash or Cash Equivalents received at closing of such Asset Sale; provided that this clause (iii) shall not apply to any Asset Sale of the Mortgaged Vessels named McDermott Derrick Barge No. 16 and DLB KP1 if the
Borrower has provided the Administrative Agent with a summary of the terms of such Asset Sale at least 10 Business Days (or such shorter period of time permitted by the Administrative Agent in its sole discretion) before the date of such Asset Sale,
(iv) any marine vessel received from another Person in trade or exchange for such assets so disposed of shall concurrently with its acquisition be added to the Collateral pursuant to arrangements substantially similar to those made with

  
 3 

 
respect to the Mortgaged Vessels on the Effective Date; and (v) the Revolving Commitments shall be permanently reduced as set forth in Section 2.5(b) (Reduction and Termination of the
Revolving Commitments) by an amount equal to 100% of the Net Cash Proceeds from such Asset Sale minus the amounts that are applied by the Borrower or the applicable Subsidiary within 12 months from the later of the date of such Asset Sale or the
receipt of such Net Cash Proceeds to (A) acquire (1) one or more additional marine vessels, which vessel or vessels shall concurrently with their acquisition become Collateral pursuant to arrangements substantially similar to those made
with respect to Mortgaged Vessels on the Effective Date or (2) other assets in an Eligible Line of Business, which assets shall concurrently with their acquisition become Collateral on terms reasonably satisfactory to the Administrative Agent
or (B) make capital expenditures to improve or repair existing Mortgaged Vessels; 
  

	 	(ii)	deleting “and” from the end of clause (p); 

  

	 	(iii)	replacing the period at the end of clause (q) with “; and”; 

 

	 	(iv)	adding the following new clauses (r) and (s): 

 (r) any conveyance, transfer, contribution or other disposition of the DB 30 such that, after giving effect to such conveyance, transfer, contribution or other disposition, the DB 30 is owned by BMD, BMDL
or a Restricted Subsidiary of the Borrower; and 
 (s) the conveyance, transfer, contribution, exchange or other
disposition by McDermott Capital Malaysia Sdn. Bhd. of the promissory note issued by TH Heavy Engineering Berhad in exchange for Stock or Stock Equivalents of THHE Fabricators Sdn. Bhd. 

 

	 	(e)	Section 8.5 of the Credit Agreement is hereby amended by: 

  

	 	(i)	deleting the “and” from the end of clause (q); 

  

	 	(ii)	replacing the period at the end of clause (r) with “; and”; 

 

	 	(iii)	adding the following new clauses (s) and (t): 

 (s) Investments constituting loans, advances or extensions of credit by the Borrower and/or any of its Restricted Subsidiaries to BMD and/or BMDL in an aggregate outstanding principal amount not to exceed
$100,000,000 at any time; and 
 (t) Investments resulting from any non-cash consideration received in an Asset
Sale permitted by Section 8.4 (Sale of Assets). 
 Section 3. Consent. The Requisite Lenders
party hereto hereby consent to the release and termination of the Collateral Agent’s lien on and security interest in the DB 30. The Collateral Agent shall, upon the reasonable request of the Borrower and at the sole cost and

  
 4 

 
expense of the Borrower, execute and deliver such mortgage releases and other instruments, in each case in proper form for recording, as the Borrower shall reasonably request to evidence the
release of the Collateral Agent’s lien on and security interest in the DB 30. 
 Section 4. Borrower
Representations and Warranties. The Borrower represents and warrants that: 
 (a) both before and after giving effect to
this Amendment and any Loan or Issuance on the Amendment No. 2 Effective Date, the representations and warranties set forth in Article IV of the Credit Agreement and in the other Loan Documents that have no materiality or Material Adverse
Effect qualification are true and correct in all material respects and the representations and warranties set forth in Article IV of the Credit Agreement and in the other Loan Documents that have a materiality or Material Adverse Effect
qualification are true and correct in all respects, in each case with the same effect as though made on and as of the Amendment No. 2 Effective Date or, to the extent such representations and warranties expressly relate to an earlier date, as
of such earlier date; 
 (b) both before and after giving effect to this Amendment and any Loan or Issuance on the Amendment
No. 2 Effective Date, no Default or Event of Default has occurred and is continuing; 
 (c) the execution, delivery and
performance of this Amendment are within the corporate or other organizational power and authority of the Borrower and each Guarantor and have been duly authorized by appropriate organizational and governing action and proceedings; 

(d) the execution and delivery by the Borrower and each Guarantor of this Amendment does not and will not (i) violate (A) any
provision of any law, statute, rule or regulation, or of the certificate or articles of incorporation or partnership agreement, other constitutive documents or by-laws of the Borrower or any such Guarantor or (B) any applicable order of any
court or any rule, regulation or order of any Governmental Authority, (ii) be in conflict with, result in a breach of or constitute (alone or with notice or lapse of time or both) a default under any Contractual Obligation of the Borrower or
any Guarantor, where any such conflict, violation, breach or default referred to in clause (i) or (ii) of this clause (d), individually or in the aggregate could reasonably be expected to have a Material Adverse Effect, (iii) except
as permitted under the Credit Agreement (as amended by this Amendment), result in or require the creation or imposition of any Lien upon any of the properties or assets of the Borrower or any such Guarantor (other than any Liens created under any of
the Loan Documents in favor of the Collateral Agent on behalf of the Secured Parties), or (iv) require any approval of stockholders or partners or any approval or consent of any Person under any Contractual Obligation of the Borrower or any
Guarantor except for such approvals or consents which have been obtained and except for any such approvals or consents the failure of which to obtain will not have a Material Adverse Effect; 

(e) the person who is executing this Amendment on behalf of the Borrower and each Guarantor has the full power, authority and legal right
to do so, and this Amendment has been duly executed by such person and delivered to the Administrative Agent; and 

  
 5 

 (f) this Amendment constitutes the legal, valid, and binding obligation of the Borrower
enforceable in accordance with its terms, except as limited by applicable bankruptcy, insolvency, reorganization, moratorium, or similar laws affecting the rights of creditors generally and general principles of equity (regardless of whether such
enforceability is considered in a proceeding in equity or at law). 
 Section 5. Conditions to Effectiveness.
This Amendment shall become effective on the Amendment No. 2 Effective Date and enforceable against the Borrower, the Lenders, the Administrative Agent and the Issuers upon: 

(a) receipt by the Administrative Agent of this Amendment executed by the Borrower, each Guarantor, the Administrative Agent and the
Requisite Lenders; 
 (b) receipt by the Administrative Agent, for the account of each Lender that has returned an executed
signature page hereto to the Administrative Agent on or prior to 5:00 p.m., New York time, on March 25, 2013 (the “Consent Deadline” and each such Lender, a “Consenting Lender”) a consent fee equal to 0.05%
multiplied by the sum of each such Consenting Lender’s Revolving Commitment as of the Consent Deadline with respect to which a consent was delivered; 
 (c) payment by the Borrower of the reasonable fees and expenses of counsel to the Administrative Agent in connection with this Amendment and the Loan Documents, to the extent that the Borrower receives
invoices therefor at least one Business Day prior to the Amendment No. 2 Effective Date; and 
 (d) receipt by the
Administrative Agent of such other approvals or documents as the Administrative Agent may reasonably request. 
 Section 6.
Reaffirmation of Credit Support. 
 (a) Each of the Borrower and each Guarantor (collectively, the “Credit
Support Parties”) has read this Amendment and consents to the terms hereof and further hereby confirms and agrees that, notwithstanding the effectiveness of this Amendment, the obligations of such Credit Support Party under, and the Liens
granted by such Credit Support Party as collateral security for the Indebtedness, obligations and liabilities evidenced by the Credit Agreement and the other Loan Documents pursuant to, each of the Loan Documents to which such Credit Support Party
is a party shall not be impaired and each of the Loan Documents to which such Credit Support Party is a party is, and shall continue to be, in full force and effect and are hereby confirmed and ratified in all respects (except to the extent that any
such Liens are terminated as expressly contemplated in Section 3 of this Amendment). 
 (b) Each Credit Support Party (other
than the Borrower) acknowledges and agrees that (i) notwithstanding the conditions to effectiveness set forth in this Amendment, such Credit Support Party is not required by the terms of the Credit Agreement or any other Loan Document to
consent to the amendments to the Credit Agreement effected pursuant to this Amendment and (ii) nothing in the Credit Agreement, this Amendment or any other Loan Document shall be deemed to require the consent of such Credit Support Party to any
future amendments to the Credit Agreement. 

  
 6 

 Section 7. Acknowledgments and Agreements. 

(a) The Borrower acknowledges that on and as of the Amendment No. 2 Effective Date all Obligations are payable without defense,
offset, counterclaim or recoupment. Each of the Borrower, the Administrative Agent, each Issuer party hereto and each Lender party hereto does hereby adopt, ratify, and confirm the Credit Agreement, as amended hereby, and acknowledges and agrees
that the Credit Agreement, as amended hereby, is and remains in full force and effect, and the Borrower acknowledges and agrees that its liabilities and obligations under the Credit Agreement, as amended hereby, are not impaired in any respect by
this Amendment. 
 (b) From and after the Amendment No. 2 Effective Date, all references to the Credit Agreement shall mean
the Credit Agreement as amended hereby. This Amendment is a Loan Document for the purposes of the provisions of the other Loan Documents. Without limiting the foregoing, any breach of representations, warranties, and covenants under this Amendment
shall be a Default or Event of Default, as applicable, under the Credit Agreement. 
 Section 8.
Miscellaneous. 
 (a) Except as specifically modified by this Amendment, the Credit Agreement and the other Loan
Documents shall remain in full force and effect and are hereby ratified and confirmed. 
 (b) Except as specifically provided by
this Amendment, the execution, delivery and performance of this Amendment shall not constitute a waiver of any provision of, or operate as a waiver of any right, power or remedy of any Agent, Lender or Issuer under, the Credit Agreement or any of
the other Loan Documents. 
 Section 9. Counterparts. This Amendment may be signed in any number of
counterparts, each of which shall be an original and all of which, taken together, constitute a single instrument. Delivery of an executed counterpart of a signature page of this Amendment by facsimile or in electronic format (i.e., “pdf”
or “tif”) shall be effective as delivery of a manually executed counterpart of this Agreement. 
 Section 10.
Successors and Assigns. This Amendment shall be binding upon and inure to the benefit of the parties hereto and their respective successors and assigns permitted pursuant to the Credit Agreement. 

Section 11. Governing Law. This Amendment and the rights and obligations of the parties hereto shall be governed by,
and construed and interpreted in accordance with, the law of the State of New York, without regard to its conflicts of laws provisions. 
 Section 12. Entire Agreement. THIS AMENDMENT AND THE CREDIT AGREEMENT AS AMENDED HEREBY, TOGETHER WITH ALL OF THE OTHER LOAN DOCUMENTS AND ALL CERTIFICATES AND DOCUMENTS DELIVERED
HEREUNDER OR THEREUNDER, EMBODY THE ENTIRE AGREEMENT OF THE PARTIES AND SUPERSEDES ALL PRIOR AGREEMENTS AND UNDERSTANDINGS RELATING TO THE SUBJECT MATTER HEREOF. THERE ARE NO UNWRITTEN ORAL AGREEMENTS AMONG THE PARTIES. 

[Signature pages follow.] 

  
 7 

 IN WITNESS WHEREOF, the parties hereto have caused this Amendment to be executed by their
respective officers thereunto duly authorized, as of the date first above written. 
  

					
	BORROWER:
	
	MCDERMOTT INTERNATIONAL, INC.
			
		 	By:	 	 /s/ Steven D. Oldham

		 	Name:	 	Steven D. Oldham
		 	 Title:
	 	Vice President, Treasurer and Investor Relations
	
	GUARANTORS:
	
	INTERNATIONAL VESSELS LTD.
	J. RAY MCDERMOTT (LUXEMBOURG), S.AR.L.
	J. RAY MCDERMOTT (NIGERIA) LIMITED
	J. RAY MCDERMOTT INVESTMENTS B.V.
	MCDERMOTT HOLDINGS (U.K.) LIMITED
	MCDERMOTT INTERNATIONAL B.V.
	MCDERMOTT INTERNATIONAL MARINE INVESTMENTS N.V.
	MC DERMOTT OVERSEAS INVESTMENT CO. N.V.
	MCDERMOTT SERVICOS OFFSHORE DO BRASIL LTDA.
	PT. BAJA WAHANA INDONESIA
	SINGAPORE HUANGDAO PTE. LTD.
	VARSY INTERNATIONAL N.V.
			
		 	By:	 	 /s/ Perry L. Elders

		 	Name:	 	Perry L. Elders
		 	Title:	 	Authorized Representative

 Signature Page to Amendment No. 2 

 
					
	 GUARANTORS:

	
	 CHARTERING COMPANY (SINGAPORE) PTE. LTD.

	 EASTERN MARINE SERVICES, INC.

	 GLOBAL ENERGY—MCDERMOTT LIMITED

	 HYDRO MARINE SERVICES, INC.

	 J. RAY HOLDINGS, INC.

	 J. RAY MCDERMOTT (AUST.) HOLDING PTY. LIMITED

	 J. RAY MCDERMOTT (CASPIAN), INC.

	 J. RAY MCDERMOTT (QINGDAO) PTE. LTD.

	 J. RAY MCDERMOTT CANADA HOLDING, LTD.

	 J. RAY MCDERMOTT CANADA, LTD.

	 J. RAY MCDERMOTT CONTRACTORS, INC.

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

	 J. RAY MCDERMOTT ENGINEERING SERVICES PRIVATE LIMITED

	 J. RAY MCDERMOTT FAR EAST INC.

	 J. RAY MCDERMOTT INTERNATIONAL VESSELS, LTD.

	 J. RAY MCDERMOTT INTERNATIONAL, INC.

	 J. RAY MCDERMOTT KAZAKHSTAN LIMITED LIABILITY PARTNERSHIP

	 J. RAY MCDERMOTT LOGISTIC SERVICES PVT. LIMITED

	 J. RAY MCDERMOTT SOLUTIONS, INC.

	 J. RAY MCDERMOTT TECHNOLOGY, INC.

	 J. RAY MCDERMOTT UNDERWATER SERVICES, INC.

	 J. RAY MCDERMOTT WEST AFRICA HOLDINGS, INC.

			
		 	By:	 	 /s/ Steven D. Oldham

		 	 Name:
	 	Steven D. Oldham
		 	 Title:
	 	Treasurer

  
 Signature Page
to Amendment No. 2 

 
					
	 GUARANTORS:

	
	 J. RAY MCDERMOTT WEST AFRICA, INC.

	 MALMAC SDN. BHD.

	 MCDERMOTT ASIA PACIFIC PTE. LTD.

	 MCDERMOTT AUSTRALIA PTY. LTD.

	 MCDERMOTT CASPIAN CONTRACTORS, INC.

	 MCDERMOTT EASTERN HEMISPHERE, LTD.

	 MCDERMOTT ENGINEERING, LLC

	 MCDERMOTT FAR EAST, INC.

	 MCDERMOTT GULF OPERATING COMPANY, INC.

	 MCDERMOTT INTERNATIONAL INVESTMENTS CO., INC.

	 MCDERMOTT INTERNATIONAL TRADING CO., INC.

	 MCDERMOTT INTERNATIONAL VESSELS, INC.

	 MCDERMOTT MARINE CONSTRUCTION LIMITED

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

	 MCDERMOTT MIDDLE EAST, INC.

	 MCDERMOTT OFFSHORE SERVICES COMPANY, INC.

	 MCDERMOTT OLD JV OFFICE, INC.

	 MCDERMOTT OVERSEAS, INC.

	 MCDERMOTT SUBSEA ENGINEERING, INC.

	 MCDERMOTT TRADE CORPORATION

	 NORTH ATLANTIC VESSEL, INC.

	 OFFSHORE PIPELINES INTERNATIONAL, LTD.

	 OPI VESSELS, INC.

	 OPMI, LTD.

	 SABINE RIVER REALTY, INC.

	SERVICIOS DE FABRICACION DE ALTAMIRA, S.A. DE C.V.
	SERVICIOS PROFESIONALES DE ALTAMIRA, S.A. DE C.V.
	SPARTEC, INC.
			
		 	By:	 	 /s/ Steven D. Oldham

		 	Name:	 	Steven D. Oldham
		 	Title:	 	Treasurer

  
 Signature Page
to Amendment No. 2 

 
					
	GUARANTORS:
	
	J. RAY MCDERMOTT HOLDINGS, LLC
	J. RAY MCDERMOTT, S.A.
	MCDERMOTT CAYMAN LTD.
	MCDERMOTT INVESTMENTS, LLC
	MCDERMOTT, INC.
			
		 	By:	 	 /s/ Steven D. Oldham

		 	Name:	 	Steven D. Oldham
		 	Title:	 	Vice President, Treasurer
	
	MCDERMOTT INTERNATIONAL MANAGEMENT, INC.
			
		 	By:	 	 /s/ Steven D. Oldham

		 	Name:	 	Steven D. Oldham
		 	 Title:
	 	Vice President, Treasurer and Investor Relations

  
 Signature Page
to Amendment No. 2 

 
			
	 CREDIT AGRICOLE CORPORATE AND
 INVESTMENT BANK,
 as Administrative Agent, Collateral Agent,

Lender and Issuer

		
	By:	 	 /s/ Michael D. Willis

	Name:	 	Michael D. Willis
	Title:	 	Managing Director

  

			
	By:	 	 /s/ Page Dillehunt

	Name:	 	Page Dillehunt
	Title:	 	Managing Director

  
 Signature Page
to Amendment No. 2 

 
			
	 BANK OF AMERICA, N.A.,
 as Lender and Issuer

		
	By:	 	 /s/ Arthur Ng

	Name:	 	Arthur Ng
	Title:	 	Vice President

  
 Signature Page
to Amendment No. 2 

 
			
	 WELLS FARGO BANK, N.A.,
 as Lender and Issuer

		
	By:	 	/s/ J.C. Hernandez
	Name:	 	J. C. Hernandez
	Title:	 	Director

  
 Signature Page
to Amendment No. 2 

 
			
	 BNP PARIBAS,
 as
Lender and Issuer

		
	By:	 	/s/ Jamie Dillon
	Name:	 	Jamie Dillon
	Title:	 	Managing Director
		
	By:	 	/s/ Joseph Mack
	Name:	 	Joseph Mack
	Title:	 	Vice President

  
 Signature Page
to Amendment No. 2 

 
			
	 COMPASS BANK,
 as
Lender and Issuer

		
	By:	 	/s/ Randall Morrison
	Name:	 	Randall Morrison
	Title:	 	Executive Director

  
 Signature Page
to Amendment No. 2 

 
			
	 JPMORGAN CHASE BANK, N.A.,
 as Lender and Issuer

		
	By:	 	/s/ Stephanie Balette
	Name:	 	Stephanie Balette
	Title:	 	Authorized Officer

  
 Signature Page
to Amendment No. 2 

 
			
	 CITIBANK, N.A.,
 as
Lender and Issuer

		
	By:	 	/s/ Peter Kardos
	Name:	 	Peter Kardos
	Title:	 	Vice President
		
	By:	 	/s/ Peter Kardos
	Name:	 	Peter Kardos
	Title:	 	Vice President

  
 Signature Page
to Amendment No. 2 

 
			
	 THE BANK OF NOVA SCOTIA,
 as Lender

		
	By:	 	/s/ John Frazell
	Name:	 	John Frazell
	Title:	 	Director

  
 Signature Page
to Amendment No. 2 

 
			
	 NATIXIS,
 as
Lender

		
	By:	 	/s/ Kenyatta Gibbs
	Name:	 	Kenyatta Gibbs
	Title:	 	Director
		
	By:	 	/s/ Carlos Quinteros
	Name:	 	Carlos Quinteros
	Title:	 	Managing Director

  
 Signature Page
to Amendment No. 2 

 
			
	 DNB BANK ASA, GRAND CAYMAN BRANCH,
 as Lender

		
	By:	 	/s/ Philip F. Kurpiewski
	Name:	 	Philip F. Kurpiewski
	Title:	 	Senior Vice President
		
	By:	 	/s/ Evan Uhlick
	Name:	 	Evan Uhlick
	Title:	 	Vice President

  
 Signature Page
to Amendment No. 2 

 
			
	 ABN AMRO BANK N.V.,

as Lender

		
	By:	 	/s/ H. Veldman
	Name:	 	H. Veldman
	Title:	 	 

  
 Signature Page
to Amendment No. 2 

 
			
	 HSBC BANK USA, N.A.,

as Lender

		
	By:	 	/s/ Dale T. Wilson
	Name:	 	Dale T. Wilson
	Title:	 	Senior Vice President
		
	By:	 	/s/ Sarah S. Knudsen
	Name:	 	Sarah S. Knudsen
	Title:	 	Vice President

  
 Signature Page
to Amendment No. 2 

 
			
	 STANDARD CHARTERED BANK,
 as Lender

		
	By:	 	/s/ Johanna Minaya
	Name:	 	Johanna Minaya
	Title:	 	Associate Director Capital Markets
		
	By:	 	/s/ Robert K. Reddington
	Name:	 	Robert K. Reddington
	Title:	 	Credit Documentation Manager
		 	Credit Documentation Unit,
		 	WB Legal – Americas

  
 Signature Page
to Amendment No. 2 

 
			
	 U.S. BANK NATIONAL ASSOCIATION,
 as Lender

		
	By:	 	/s/ Patrick Engel
	Name:	 	Patrick Engel
	Title:	 	Vice President

  
 Signature Page
to Amendment No. 2 

 
			
	 WHITNEY BANK,
 as
Lender

		
	By:	 	/s/ Mark S. McCullough
	Name:	 	Mark S. McCullough
	Title:	 	Senior Vice President

  
 Signature Page
to Amendment No. 2 

 
			
	 AMEGY BANK NATIONAL ASSOCIATION,
 as Lender

		
	By:	 	/s/ Brad Ellis
	Name:	 	Brad Ellis
	Title:	 	SVP

  
 Signature Page
to Amendment No. 2 

 
			
	 CAPITAL ONE, N.A.,

as Lender

		
	By:	 	/s/ Don Backer
	Name:	 	Don Backer
	Title:	 	SVP

  
 Signature Page
to Amendment No. 2 

 
			
	 AUSTRALIA AND NEW ZEALAND
 BANKING GROUP LIMITED,
 as Lender

		
	By:	 	/s/ Robert Grillo
	Name:	 	Robert Grillo
	Title:	 	Director

  
 Signature Page
to Amendment No. 2 

 
			
	 UBS AG, STAMFORD BRANCH,
 as Lender

		
	By:	 	/s/ Lana Glfas
	Name:	 	Lana Glfas
	Title:	 	Director Banking Products Services, US
		
	By:	 	/s/ Joselin Fernandes
	Name:	 	Joselin Fernandes
	Title:	 	Associate Director
		 	Banking Products Services, US

  
 Signature Page
to Amendment No. 2EX-4.3

 Exhibit 4.3 
 Confidential Treatment Requested by CSR plc 
 ADDENDUM 

to 
 XAP TECHNOLOGY LICENCE & XAP2 DEVELOPMENT
AGREEMENT 
 AND RELATED AGREEMENTS 
 THIS
ADDENDUM (“Addendum”) effective as of 13 July 2012 (the “Effective Date”) 
 BETWEEN 

 

	(1)	CAMBRIDGE SILICON RADIO LIMITED, a company registered in England under company number 3665875, having its registered office at Churchill House, Cambridge Business
Park, Cowley Road, Cambridge, CB4 0WZ, England (“CSR”). 

  

	(2)	CAMBRIDGE CONSULTANTS LIMITED a company registered in England under company number 01036298, having its registered office at Science Park, Milton Road, Cambridge, CB4
0DW (“CCL”). 

 WHEREAS 
  

	(A)	 The parties entered into a XAP Technology Licence & XAP2 Development Agreement, CCL’s counterpart of which is dated 7th April, 1999, as supplemented by a letter dated May 30, 2002, (collectively, the “XAP Agreement”); 

 

	(B)	The parties also entered into: (i) Bluetooth Software Development Agreement on or about March, 1999, as subsequently supplemented; and (ii) Licence Agreement for
XAP-IDE Development Toolset on or about November 24, 2003 (as amended), and other related technology agreements, (defined below as the “Related Agreements”); 

 

	(C)	Under the XAP Agreement and Related Agreements, CCL licenses its XAP Technology to CSR; 

 

	(D)	On 13 July 2012 the parties entered into a Binding Term Sheet (the “Binding Term Sheet”) under which CCL granted certain sub-licensing rights to CSR and CSR paid
CCL [***], receipt of which is acknowledged. The parties agree that this is fair and adequate consideration for the additional rights granted to CSR under the Binding Term Sheet and this Addendum; 

 

	(E)	As contemplated in the Binding Term Sheet, the parties wish to formally record the amendments made therein to the XAP Agreement and Related Agreements as set out below.

 NOW IT IS HEREBY AGREED AS FOLLOWS: 
  

	1.	Definitions 

  

	1.1	Capitalised terms used in this Addendum will have the same meanings as given in the XAP Agreement, unless otherwise stated below. 

 

	1.2	The definitions of “CSR Product(s)” and “XAP Technology” in the XAP Agreement shall be deleted and replaced with the following: 

“CSR Product” means any product or system (including a design for a product) which contains, is based on or is derived from
technology or Intellectual Property Rights owned or licensed by CSR; 
 “XAP Technology” means [***]. 

 

	1.3	A new definition of “Related Agreements” shall be added to the XAP Agreement as follows: 

“Related Agreements” means the following agreements entered into between the parties: (i) Bluetooth Software Development
Agreement on or about March, 1999, as subsequently supplemented; and (ii) Licence Agreement for XAP-IDE Development Toolset on or about November 24, 2003 (as amended), and other related technology agreements; 

 
 [***] Information has been omitted and filed separately with the Securities and
Exchange Commission. Confidential Treatment has been requested with respect to the omitted portions. 

  
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	2.	Licence 

  

	2.1	In consideration of the payment made to CCL by CSR under the Binding Term Sheet and the [***], CCL and CSR agree to amend clause 3.1(a) and add new clauses 3.4 and 3.5 to the XAP
Agreement and amend certain other provisions in the XAP Agreement as set out in or required for this Addendum. 

 Clause
3.1(a) of the XAP Agreement shall be deleted and replaced with the following: 
  

	 	“3.1(a)	the right to use XAP Technology to develop, have developed, make, have made, use, sell, offer for sale and import CSR Products that incorporate XAP Technology and/ or derivatives
of the XAP Technology.” 

 New clauses 3.4 and 3.5 shall be added to the XAP Agreement as follows: 

 

	 	“3.4	CCL hereby grants CSR the perpetual, irrevocable right to grant no more than three independent, perpetual, irrevocable fully paid-up, royalty-free sub-licenses of the rights
granted in clause 3.1, provided that any sub-license so granted shall exclude the right to grant any further sub-licenses, other than to the extent permitted by clause 3.1. For the avoidance of doubt a sub-license to an entity and each or any
affiliate or member of that entity’s corporate group shall be one independent sub-license for the purposes of this clause 3.4. 

  

	 	3.5	Within ten working days of the grant of the first sub-licence granted under clause 3.4 CSR shall notify CCL of such sublicense grant.” 

 

	2.2	For clarification, to the extent that the restrictions in clause 3.2 of the XAP Agreement are inconsistent with the amendments made to the XAP Agreement in this Addendum, they
shall not apply and CSR shall be permitted to supply Source Code to a sub-licensee. 

  

	3.	Indemnity Cap 

  

	3.1	Clause 17.1 of the XAP Agreement shall be supplemented at the end with the following additional sentence: 

“CCL’s maximum cumulative liability for all third party claims arising out of or in connection with this clause 17 of the XAP Agreement
shall in no circumstances exceed [***]. CCL undertakes, upon request from CSR, to contribute to the payment of damages awarded by a court of competent jurisdiction against CSR or a CSR sub-licensee, up to [***] to CSR by way of indemnity for damages
and costs suffered by CSR if CSR or a CSR sub-licensee is subject to one or more claims by a third party that the XAP Technology makes unauthorised use of intellectual property rights. For the avoidance of doubt, the cumulative total of CCL’s
contributions for such unauthorised use of intellectual property rights by XAP Technology shall not exceed [***].” 
  

	3.2	A new clause 17.5 shall be added to the XAP Agreement as follows: 

 “If an intellectual property rights infringement claim is made by a third party against CCL arising out of CSR’s or a CSR sub-licensee’s use of the XAP Technology (a “Claim”), CSR will
defend CCL against the Claim and CSR will pay all damages and costs in excess of [***] finally awarded by a court of competent jurisdiction attributable to such Claim, provided that CCL: 

(a) promptly notifies CSR in writing that a Claim has been received; and 
 (b) makes no admissions in respect of the Claim; and 
 (c) gives CSR sole control of the defence and
settlement of the Claim; and 
 (d) provides CSR, at CSR’s cost, all available information in its possession, together with all
necessary assistance and authority to defend the Claim; 
 (e) is not in breach of the XAP Agreement or any of the Related Agreements; and

 (f) has not settled the Claim without CSR’s prior written consent. 

CSR shall not be responsible for any costs or fees incurred by CCL after CSR has assumed the defence of a Claim. 

 
 [***] Information has been omitted and filed separately with the Securities and
Exchange Commission. Confidential Treatment has been requested with respect to the omitted portions. 

  
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	4.	Other variations 

 Clauses 4.2, 13.2 and 13.3
of the XAP Agreement shall be deleted in their entirety 
 The parties agree that clause 21.7 (c) XAP Agreement and clause 23.7
(c) of the Bluetooth Software Development Agreement shall be amended to refer to the Contracts Director for CCL and Legal Department for CSR. All personal names shall be removed. 

 

	5.	Survival of Rights 

 Notwithstanding any
expiration or earlier termination of the XAP Agreement and Related Agreements and notwithstanding any breach by CSR of the XAP Agreement and Related Agreements, the licence rights granted in clause 3 of the XAP Agreement shall survive in perpetuity.
Any rights of use granted under a sub-licence in accordance with the XAP Agreement will not be affected by the expiration or termination of the XAP Agreement and shall continue in perpetuity. 

 

	6.	Assignment 

 Clause 21.1 of the XAP Agreement
shall be deleted and replaced with the following: 
 “Either party may assign or otherwise transfer this Agreement and all rights and
obligations thereunder to a third party (the “Acquirer”) in connection with a sale of all or substantially all of such party’s assets or business related to the XAP Technology, or a merger, acquisition, reorganization or consolidation
of such party, without the prior written consent of the other party, provided that the Acquirer agrees in writing to assume all rights and obligations under this Agreement. Subject to the foregoing, this Agreement will be binding upon and will inure
to the benefit of the parties and their respective successors and assigns.” 
  

	7.	General provisions 

  

	7.1	The XAP Agreement as amended by this Addendum constitutes the entire agreement of the parties, and supersedes all prior and contemporaneous understandings and agreements between
the parties, with respect to the subject matter hereof. 

  

	7.2	The governing law and jurisdiction provision in the XAP Agreement shall apply in respect of this Addendum. 

 

	7.3	The parties agree to accept and be bound by electronically generated (and conveyed) fully signed copies of this Addendum, to treat such copies as originals and to raise no
objection to this Addendum being concluded through electronic means. 

  

	7.4	In the event of any conflict between the XAP Agreement, the Related Agreements, the Binding Term Sheet and this Addendum, this Addendum will prevail over the conflicting part. In
the event of any conflict between the XAP Agreement (as amended by this Addendum) and the Related Agreements (as amended by this Addendum), the XAP Agreement (as amended by this Addendum) will prevail over the conflicting part. For the avoidance of
doubt the indemnities provided in clause 15 of the Bluetooth Software Development Agreement are superseded by the indemnity in clause 17 in the XAP Agreement as amended by this Addendum. 

IN WITNESS whereof the parties hereto have caused this Addendum to be duly executed as set forth below. 

 

			
	CAMBRIDGE SILICON RADIO LIMITED
		
	Signature:	  	/s/ Joep van Beurden
	Name:	  	Joep van Beurden
	Title:	  	CEO
	Date:	  	28/9/12

  

			
	CAMBRIDGE CONSULTANTS LIMITED
		
	Signature:	  	/s/ Alan Richardson
	Name:	  	Alan Richardson
	Title:	  	CEO
	Date:	  	2/10/12

  
 [***] Information has been omitted and filed separately
with the Securities and Exchange Commission. Confidential Treatment has been requested with respect to the omitted portions. 

  
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