EX-10.5




 Exhibit 10.5 

Execution Version 

SECOND CONSENT AND WAIVER AGREEMENT 

BY THE HOLDERS OF THE 

12% REDEEMABLE PREFERRED STOCK 

OF 
 MCDERMOTT
INTERNATIONAL, INC. 
 December 1, 2019 

Reference is made to (i) that certain Certificate of Designation providing for the designations, preferences, limitations
and relative rights, voting, redemption and other rights and the qualifications, limitations or restrictions of the Company’s 12% Redeemable Preferred Stock (the “Preferred Stock”), dated October 30, 2018 (as
amended by that certain Certificate of Amendment thereto, dated October 24, 2019, the “Certificate of Designation”), of McDermott International, Inc., a corporation incorporated and existing under the laws of the
Republic of Panama (the “Company”) and (ii) that certain Superpriority Senior Secured Credit Agreement, dated October 21, 2019, by and among the Company, as a guarantor, McDermott Technology (Americas), Inc., a
Delaware corporation (“MTA”), McDermott Technology (US), Inc., a Delaware corporation (“MTUS”) and McDermott Technology, B.V., a private company with limited liability (besloten vennootschap met
beperkte aansprakelijkheid) incorporated under the laws of the Netherlands, the lenders party thereto, the Issuers (as defined therein), Credit Agricole Corporate and Investment Bank, as administrative agent for the Revolving Facility (as
defined therein) and Barclays Bank PLC as administrative agent for the Term Facility (as defined therein) (as amended by that certain Amendment No 1. thereto (the “Superpriority Amendment”), dated as of the Effective Date,
attached hereto as Exhibit A, the “Superpriority Credit Agreement”). As of the date of hereof, the undersigned holders (together with their respective permitted transferees from time to time in accordance with the
terms of the Securities Purchase Agreement, dated October 30, 2018 (as amended by Amendment No. 1 thereto, dated October 25, 2019), collectively, the “Holder”) collectively hold of record all of the issued and
outstanding shares of the Preferred Stock. Capitalized terms used in this Second Consent and Waiver Agreement (including all exhibits attached hereto, this “Agreement”) but not otherwise defined herein shall have the meanings
ascribed to them in the Certificate of Designation. 
 WHEREAS, on October 21, 2019, pursuant to the Consent and
Waiver Agreement by and among the Company and the Holder, the Holder consented to the Company’s incurrence of additional indebtedness under the Superpriority Credit Agreement in an amount equal to the Tranche A Term Commitments (as defined in
the Superpriority Credit Agreement) plus the aggregate amount of Letter of Credit Issuer Commitments (as defined in the Superpriority Credit Agreement) available to the Company on the effective date of the Superpriority Credit
Agreement; 
 WHEREAS, the Company, along with certain of its subsidiaries, proposes to incur additional Indebtedness
(as defined in the Current Credit Agreement (such Indebtedness, the “New Indebtedness”, and incurrence of the New Indebtedness and consummation of the transactions contemplated thereby, the “Proposed
Financing”) in accordance with the terms and conditions set forth in the Superpriority Credit Agreement (together with all agreements, documents, certificates 











 or other instruments executed in connection therewith, the “Debt
Documents”) up to an aggregate principal amount equal to the Tranche B Term Commitments (as defined in the Superpriority Credit Agreement) available to the Company on the Tranche B Funding Date (as defined in the Superpriority Credit
Agreement) (such amount, the “Funding Amount”) plus the aggregate amount of the Letter of Credit Issuer Commitments (as defined in the Superpriority Credit Agreement) available to the Company on the Tranche B
Funding Date (together with the Funding Amount, the “Total Funding Amount”), and that such incurrence of New Indebtedness under the Debt Documents may cause the Leverage Ratio as of the Effective Date to exceed certain
thresholds set forth in the Certificate of Designation; and 
 WHEREAS, the Company, along with certain of its
subsidiaries, proposes to enter into that certain Forbearance Agreement, dated as of the Effective Date, by and among the Company, MTA, MTUS, the other guarantors and the holders party thereto, attached hereto as Exhibit B (the
“Forbearance Agreement”). 
 NOW, THEREFORE, for good and valuable consideration, the receipt
and sufficiency of which are hereby acknowledged, as of the date first set forth above (the “Effective Date”), the parties hereto hereby agree as follows: 

SECTION 1 Limited Consent and Waiver. In reliance on the representations, warranties, covenants and agreements
contained in this Agreement, the Holder, waiving all notice, in lieu of a meeting, hereby, as of the Effective Date, irrevocably: 

(a) consents, solely for the purposes of Sections 4(b)(i) and 4(b)(vi) of the Certificate of Designation, to (i) the
Second COD Amendment (as defined below) and (ii) the Company’s consummation of the Proposed Financing on the Tranche B Funding Date, including the incurrence of the New Indebtedness up to the Total Funding Amount on the Tranche B Funding
Date, in each case, in accordance with the terms and conditions set forth in the Superpriority Credit Agreement; provided, for the avoidance of doubt, that notwithstanding anything contained in this Agreement, the Superpriority Credit
Agreement, the other Debt Documents or any other Corporation Indebtedness Document, the amount of New Indebtedness permitted to be incurred hereunder shall not exceed the Total Funding Amount; and 

(b) waives any rights it may have under, and any obligations of the Company with respect to, Sections 4(b)(i) and 4(b)(vi) of
the Certificate of Designation with respect to the Second COD Amendment and the Proposed Financing, including, without limitation, any impact of the incurrence of New Indebtedness up to the Total Funding Amount on the Leverage Ratio (in each case,
solely as to the incurrence of New Indebtedness up to the Total Funding Amount), so long as the Proposed Financing is consummated substantially in accordance with the terms and conditions set forth in the Superpriority Credit Agreement,
provided, for the avoidance of doubt, that, any future calculation of the Leverage Ratio pursuant to Section 4(b)(vi) of the Certificate of Designation (as amended by the Second COD Amendment), other than with respect to the incurrence
and issuance of Excluded Debt (as defined in the Second COD Amendment), shall include the amount of New Indebtedness outstanding at such time; provided, further, that, the limited consent and waiver in this
Section 1 is specific and limited to the matters expressly stated herein and shall not constitute a waiver of any rights or obligations in connection with any other transaction to which Sections 4(b)(i) or 4(b)(vi) of the
Certificate of Designation (as amended by 

  
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the Second COD Amendment) may be applicable, including, without limitation, any additional incurrence of Indebtedness pursuant to the Proposed Financing in excess of the Total Funding Amount.
Nothing contained in this Section 1, nor any past indulgence by the Holder, nor any other action or inaction on behalf of the Holder, shall constitute or be deemed to constitute a consent to, or waiver of, any other action
or inaction of the Company or any of its subsidiaries which constitutes (or would constitute) a violation of any provision of the Certificate of Designation, or which results (or would result) in a breach under the Certificate of Designation, nor
shall this limited consent and waiver constitute a course of conduct or dealing among the parties. The Holder shall have no obligation to grant any future waivers, consents or amendments with respect to the Certificate of Designation, and the
parties hereto agree that the limited consent and waiver provided herein shall constitute a one-time waiver and shall not waive, affect or diminish any right of the Holder to hereafter demand strict compliance
with the Certificate of Designation. 
 SECTION 2 Covenants. 

2.1 Document Amendments. The Company shall use commercially reasonable best efforts to cause all counterparties to, as
promptly as practicable, but in any event no later than five (5) business days after the Effective Date, adopt the second amendment to the Certificate of Designation in the form attached hereto as Exhibit C (the “Second COD
Amendment”), file the Second COD Amendment with the Public Registry of the Republic of Panama and deliver evidence of such filing to the Holder as soon as reasonably practicable after the filing thereof. 

2.2 Fees and Expenses. As soon as practicable in connection with the occurrence of the Tranche B Funding Date, but in
any event no later than two (2) business days after the Tranche B Funding Date, as part of a substantially contemporaneous exchange for value, the Company shall pay the Holder or its designees shall have received by wire transfer in immediately
available funds to the applicable accounts specified in Exhibit D hereto (or on applicable invoices) payment for all Expenses of the Holder, and all amounts payable to the Holder in connection with its Board Observer status under the
Certificate of Designation, in each case, incurred on or prior to the Effective Date (including a good faith estimate of fees for the period through December 15, 2019) in connection with the transactions set forth herein, for which invoices
have been presented prior to the Effective Date, including, but not limited to, the reasonable and documented fees and expenses of Vinson & Elkins L.L.P., legal counsel to the Holder and Morgan & Morgan, Panamanian counsel to the
Holder. 
 SECTION 3 Representations and Warranties. In order to induce the Holder to enter into this Agreement,
the Company hereby represents and warrants to the Holder that: 
 3.1 Due Authorization, No Conflicts. The execution,
delivery and performance of this Agreement and the Second COD Amendment by the Company are within the Company’s corporate power, have been duly authorized by all necessary corporate action (including adoption by the Board of Directors of the
Company), require no action by or in respect of, or filing (except for filings required to be made under the Exchange Act and with the Public Registry of the Republic of Panama) with, any governmental body, agency or official and do not violate or
constitute a default under any provision of applicable law or any Corporation Indebtedness Document (including, without limitation, the Debt Documents). 

  
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 3.2 Validity and Binding Effect. This Agreement does, and the
Certificate of Designation (as amended by the Second COD Amendment), upon filing with the Public Registry of the Republic of Panama, will constitute the valid and binding obligations of the Company enforceable in accordance with their respective
terms, except as the enforceability thereof may be limited by bankruptcy, insolvency or similar laws affecting creditors’ rights generally, and the availability of equitable remedies may be limited by equitable principles of general
application. 
 3.3 Accuracy of Documents. Each of the Superpriority Amendment attached hereto as Exhibit A and the
Forbearance Agreement attached hereto as Exhibit B is a true, complete and correct copy of such document and reflects the entire agreement of the parties thereto as of the Effective Date. 

SECTION 4 Specific Performance. The Company hereby agrees that irreparable damage would occur if any provision of
this Agreement were not performed in accordance with the terms hereof and that the Holder shall be entitled to specific performance of the terms hereof, in addition to any other remedy to which the Holder is entitled at law or in equity. 

SECTION 5 Miscellaneous. 

5.1 Parties in Interest. All of the terms and provisions of this Agreement shall bind and inure to the benefit of the
parties hereto and their respective successors and permitted assigns. 
 5.2 Fair Consideration. In negotiating this
Agreement, each of the parties have been represented by counsel and have entered into this Agreement in good faith. The Company and the Holder each acknowledge and agree that they have received fair consideration and reasonably equivalent value in
connection with this Agreement and the exchanges contemplated hereunder. 
 5.3 Counterparts. This Agreement may be
executed in any number of counterparts, each of which shall be an original and all of which, when taken together, shall constitute one agreement. Delivery of an executed counterpart of a signature of this Agreement by fax or other electronic
transmission (e.g. “.pdf”) shall be effective as delivery of a manually executed counterpart of this Agreement. 

5.4 COMPLETE AGREEMENT. THIS AGREEMENT AND THE DOCUMENTS REFERENCED HEREIN REPRESENT THE FINAL AGREEMENT AMONG THE
PARTIES WITH RESPECT TO THE SUBJECT MATTER HEREOF AND MAY NOT BE CONTRADICTED BY EVIDENCE OF PRIOR, CONTEMPORANEOUS OR ORAL AGREEMENTS OF THE PARTIES. THERE ARE NO UNWRITTEN ORAL AGREEMENTS BETWEEN THE PARTIES REGARDING THE SUBJECT MATTER HEREOF.

 5.5 Headings. The headings, captions and arrangements used in this Agreement are, unless specified otherwise, for
convenience only and shall not be deemed to limit, amplify or modify the terms of this Agreement, nor affect the meaning thereof. 

5.6 Review and Construction of Documents. Each party hereto hereby acknowledges, and represents and warrants to the
other parties, that (a) it has had the opportunity to consult with legal counsel of its own choice and has been afforded an opportunity to review this Agreement with its legal counsel, (b) it has reviewed this Agreement and fully
understands the effects thereof and all terms and provisions contained herein, (c) it has executed this Agreement of its own free will and volition, and (d) this Agreement shall be construed as if jointly drafted by the Company and the
Holder. The recitals contained in this Agreement shall be construed to be part of the operative terms and provisions of this Agreement. 

  
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 5.7 Arms-Length/Good Faith. This Agreement has been negotiated at
arms-length and in good faith by the parties hereto. 
 5.8 WAIVER OF JURY TRIAL. EACH PARTY HERETO HEREBY WAIVES, TO
THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY RIGHT IT MAY HAVE TO A TRIAL BY JURY IN ANY LEGAL PROCEEDING DIRECTLY OR INDIRECTLY ARISING OUT OF OR RELATING TO THIS AGREEMENT OR THE TRANSACTIONS CONTEMPLATED HEREBY (WHETHER BASED ON CONTRACT,
TORT OR ANY OTHER THEORY). EACH PARTY HERETO (a) CERTIFIES THAT NO REPRESENTATIVE, AGENT OR ATTORNEY OF ANY OTHER PARTY HAS REPRESENTED, EXPRESSLY OR OTHERWISE, THAT SUCH OTHER PARTY WOULD NOT, IN THE EVENT OF LITIGATION, SEEK TO ENFORCE THE
FOREGOING WAIVER AND (b) ACKNOWLEDGES THAT IT AND THE OTHER PARTIES HERETO HAVE BEEN INDUCED TO ENTER INTO THIS AGREEMENT BY, AMONG OTHER THINGS, THE MUTUAL WAIVERS AND CERTIFICATIONS IN THIS SECTION. 

5.9 Governing Law; Jurisdiction; Consent to Service of Process. 

(a) THIS AGREEMENT AND THE RIGHTS AND OBLIGATIONS OF THE PARTIES HEREUNDER SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE
WITH THE LAWS OF THE STATE OF NEW YORK WITHOUT GIVING EFFECT TO ANY CHOICE OF LAW OR CONFLICT OF RULE PROVISION OR RULE (WHETHER THE STATE OF NEW YORK OR ANY OTHER JURISDICTION) THAT WOULD CAUSE THE APPLICATION OF ANY JURISDICTION OTHER THAN THE
STATE OF NEW YORK; PROVIDED THAT, THE EFFECTIVENESS OF THE CONSENT AND WAIVER SET FORTH IN SECTION 1 SHALL BE GOVERNED BY AND CONSTRUED IN ACCORDANCE WITH THE LAWS OF THE REPUBLIC OF PANAMA WITHOUT GIVING EFFECT TO ANY CHOICE OF LAW OR
CONFLICT OF RULE PROVISION OR RULE (WHETHER THE REPUBLIC OF PANAMA OR ANY OTHER JURISDICTION) THAT WOULD CAUSE THE APPLICATION OF ANY JURISDICTION OTHER THAN THE REPUBLIC OF PANAMA. 

(b) Each of the parties hereto hereby irrevocably and unconditionally (i) submits, for itself and its property, to the
exclusive jurisdiction of any state or federal court of the United States of America, in each case sitting in the Borough of Manhattan in New York, and the respective appellate courts thereof, as to any suit, action or proceeding arising out of or
relating to this Agreement or the transactions contemplated hereby, or for recognition or enforcement of any judgment, and agrees that all claims in respect of any such action or proceeding shall be heard and determined in such New York State court
or, to the extent permitted by law, in such Federal court, and further agrees to not commence any such suit, action or proceeding other than in such New York State court or, to the extent permitted by law, in such Federal court, (ii) waives, to
the fullest extent it may legally and effectively do so, any objection which it may now or hereafter have to the laying of venue of any suit, action or proceeding arising out of or relating to this Agreement or the


  
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transactions contemplated hereby in any court in which such venue may be laid in accordance with clause (i) of this sentence, (iii) waives, to the fullest extent permitted by
law, the defense of an inconvenient forum to the maintenance of such action or proceeding in any such court and (iv) agrees that a final judgment in any such action or proceeding shall be conclusive and may be enforced in other jurisdictions by
suit on the judgment or in any other manner provided by law. Service of any process, summons, notice or document by registered mail or overnight courier addressed to any of the parties hereto at the addresses set forth above shall be effective
service of process against such party for any suit, action or proceeding brought in any such court. 

*  *  *  *  * 

  
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 IN WITNESS WHEREOF, this Agreement has been duly executed and delivered by
the undersigned on the date first written above. 
  

			
	 COMPANY:

	
	 MCDERMOTT INTERNATIONAL, INC.,

	 a corporation incorporated and existing under the laws of the Republic of Panama

		
	 By:
	 	 /s/ John M. Freeman

	 Name: John M. Freeman

	 Title: Executive Vice President, Chief Legal Officer and Corporate Secretary



 [Signature Page to Agreement] 











 
			
	 HOLDER:

	
	WEST STREET CAPITAL PARTNERS VII OFFSHORE INVESTMENTS, L.P.,
	
	 by: Goldman Sachs & Co. LLC, its
Attorney-In-Fact

		
	 By:
	 	 /s/ Chris Crampton

	 Name: Chris Crampton

	 Title: Managing Director

	
	WEST STREET CAPITAL PARTNERS VII – PARALLEL B, L.P.
	
	 by: Goldman Sachs & Co. LLC, its
Attorney-In-Fact

		
	 By:
	 	 /s/ Chris Crampton

	 Name: Chris Crampton

	 Title: Managing Director

	
	WEST STREET CAPITAL PARTNERS VII B, L.P.
	
	 by: Goldman Sachs & Co. LLC, its
Attorney-In-Fact

		
	 By:
	 	 /s/ Chris Crampton

	 Name: Chris Crampton

	 Title: Managing Director

	
	APICORP MANAGED ACCOUNT INVESTMENT VEHICLE, L.P.
	
	 by: Goldman Sachs & Co. LLC, its
Attorney-In-Fact

		
	 By:
	 	 /s/ Chris Crampton

	 Name: Chris Crampton

	 Title: Managing Director



 [Signature Page to Agreement] 











 EXHIBIT A 

AMENDMENT NO. 1 TO SUPERPRIORITY CREDIT AGREEMENT 

(See Exhibit 10.3 to McDermott International, Inc.’s Current Report on Form 8-K Filed on
December 2, 2019.) 











 EXHIBIT B 

FORBEARANCE AGREEMENT 

(See Exhibit 10.4 to McDermott International, Inc.’s Current Report on Form 8-K Filed on
December 2, 2019.) 











 EXHIBIT C 

FORM OF SECOND COD AMENDMENT 

(See attached.) 











 CERTIFICATE OF AMENDMENT TO THE 

CERTIFICATE OF DESIGNATION OF 12% REDEEMABLE PREFERRED STOCK 

OF 
 MCDERMOTT
INTERNATIONAL, INC. 
 MCDERMOTT INTERNATIONAL, INC., a corporation incorporated and existing under the laws of the
Republic of Panama (the “Corporation”), in accordance with the provisions of Section III, Article 20 of Law 32 of February 26, 1927 on Corporations of the Republic of Panama, does hereby certify: 

That pursuant to the authority contained in Article Three of the Amended and Restated Articles of Incorporation, as amended,
of the Corporation, the Board of Directors of the Corporation duly approved and adopted on October 20, 2019 the following resolutions amending the Certificate of Designation of the 12% Redeemable Preferred Stock as originally filed on
October 30, 2018, as amended by that certain Certificate of Amendment thereto, dated October 24, 2019, in accordance with the provisions of the Corporation Law of Panama, Law 32 of February 26, 1927, which resolutions remain in full
force and effect on the date hereof: 
 RESOLVED, that, capitalized terms not defined herein are defined in the
Certificate of Designation dated October 30, 2018, as amended by that certain Certificate of Amendment thereto dated October 24, 2019 (such date, the “First Amendment Date”). 

FURTHER RESOLVED, that, pursuant to the authority vested in the Board of Directors of McDermott International,
Inc., a Panamanian corporation (the “Corporation”), in accordance with the provisions of the Amended and Restated Articles of Incorporation, as amended (the “Articles”), of the Corporation, that,
Section 4(b)(vi) of the Certificate of Designations is hereby amended and restated in its entirety to read as follows: 

(vi) the incurrence, creation, assumption or guarantee of any Indebtedness (as defined in the Current Credit Agreement, as
amended by the amendments thereto entered into on October 21, 2019, without any further amendments, modifications or supplements thereto, the “Amended Current Credit Agreement” and, in all cases as used in this clause (vi)
(excluding any Warrants (as defined in the Superpriority Credit Agreement as in effect on October 21, 2019) issued pursuant to Sections 7.18 and 7.19 of the Superpriority Credit Agreement classified as liabilities) that would cause the Leverage
Ratio as of the date on which such Indebtedness is incurred, created, assumed or guaranteed to exceed (1) on or after October 1, 2019 but prior to January 1, 2020, 4.44 to 1.00, (2) on or after January 1, 2020 but prior to
January 1, 2021, 4.17 to 1.00, (3) on or after January 1, 2021 but prior to January 1, 2022, 3.89 to 1.00, (4) on or after January 1, 2022, 3.61 to 1.00, in each case after giving pro forma effect to such incurrence, creation,
assumption or guarantee and the application of the proceeds thereof; provided that, notwithstanding the foregoing, any incurrence, creation, assumption or guarantee of any Indebtedness constituting (A) any Revolving Borrowing (as defined
in the Amended Current Credit Agreement) up to the Revolving Commitment under the Amended Current Credit Agreement as of the First Amendment Date, (B) any LC Facility Outstandings (as defined in the Amended Current Credit Agreement) up to the
LC Facility Commitment (as defined in the Amended Current Credit Agreement) under the Amended 











 
Current Credit Agreement as of the First Amendment Date, (C) any Letter of Credit Obligations (as defined in the LC Facility) up to the Commitment under the Amended Current Credit Agreement
as of the First Amendment Date and (D) (1) any Revolving Outstandings (as defined in the Superpriority Credit Agreement as in effect on October 21, 2019) up to an aggregate principal amount equal to the Letter of Credit Issuer Commitment
(as defined in the Superpriority Credit Agreement as in effect on October 21, 2019) available to the Company on or prior to the Tranche B Funding Date (as defined in the Superpriority Credit Agreement as in effect on October 21, 2019)
plus the aggregate amount of Letter of Credit Issuer Obligations (as defined in the Superpriority Credit Agreement as in effect on October 21, 2019) available to the Company on or prior to the Tranche B Funding Date and (2) Tranche
A Term Loans and Tranche B Term Loans (each, as defined in the Superpriority Credit Agreement as in effect on October 21, 2019) up to the Tranche A Term Commitment and the Tranche B Term Commitment (each, as defined in the Superpriority Credit
Agreement), respectively, available to the Company on or prior to the Tranche B Funding Date (the items in the foregoing clauses (A) through (D), “Excluded Debt”) shall not be subject to the requirements of this
Section 4(b)(vi), provided further, for the avoidance of doubt, that, any future calculation of the Leverage Ratio pursuant to this Section 4(b)(vi), other than with respect to the issuance and incurrence of Excluded Debt,
shall include the amount of Excluded Debt outstanding at such time. 
 [Remainder of Page Intentionally Left Blank] 











 IN WITNESS WHEREOF, the Corporation has caused this Second Certificate of
Amendment to Certificate of Designation to be executed in its corporate name this ___ day of [●] 2019. 
  

			
	 MCDERMOTT INTERNATIONAL, INC.

		
	 By:
	 	
                 


	 Name:
	 	  

	 Title: