FORM 4 UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP

Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934
or Section 30(h) of the Investment Company Act of 1940
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 Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).
1. Name and Address of Reporting Person *
Chatterjee Fund Management LP
(Last) (First) (Middle)
888 SEVENTH AVE, 37TH FLOOR
(Street)
NEW YORK NY 10106
(City) (State) (Zip)
2. Issuer Name and Ticker or Trading Symbol
MCDERMOTT INTERNATIONAL INC [ MDR ] 		5. Relationship of Reporting Person(s) to Issuer
(Check all applicable)
Director X 10% Owner
Officer (give title below) Other (specify below)
3. Date of Earliest Transaction (Month/Day/Year)
11/05/2019
4. If Amendment, Date of Original Filed (Month/Day/Year)
 6. Individual or Joint/Group Filing (Check Applicable Line)
Form filed by One Reporting Person
X Form filed by More than One Reporting Person
Table I - Non-Derivative Securities Acquired, Disposed of, or Beneficially Owned
1. Title of Security (Instr. 3) 2. Transaction Date (Month/Day/Year) 2A. Deemed Execution Date, if any (Month/Day/Year) 3. Transaction Code (Instr. 8) 4. Securities Acquired (A) or Disposed Of (D) (Instr. 3, 4 and 5) 5. Amount of Securities Beneficially Owned Following Reported Transaction(s) (Instr. 3 and 4) 6. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 7. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V Amount (A) or (D) Price
Common Stock, par value $1.00 per share 11/05/2019   X   30,000 A $ 6 18,261,242 D (1)  
Common Stock, par value $1.00 per share 11/05/2019   X   7,500 A $ 7 18,268,742 D (1)  
Common Stock, par value $1.00 per share 11/05/2019   X   7,500 A $ 8 18,276,242 (2) D (1)  
Table II - Derivative Securities Acquired, Disposed of, or Beneficially Owned
(e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivative Security (Instr. 3) 2. Conversion or Exercise Price of Derivative Security 3. Transaction Date (Month/Day/Year) 3A. Deemed Execution Date, if any (Month/Day/Year) 4. Transaction Code (Instr. 8) 5. Number of Derivative Securities Acquired (A) or Disposed of (D) (Instr. 3, 4 and 5) 6. Date Exercisable and Expiration Date (Month/Day/Year) 7. Title and Amount of Securities Underlying Derivative Security (Instr. 3 and 4) 8. Price of Derivative Security (Instr. 5) 9. Number of derivative Securities Beneficially Owned Following Reported Transaction(s) (Instr. 4) 10. Ownership Form: Direct (D) or Indirect (I) (Instr. 4) 11. Nature of Indirect Beneficial Ownership (Instr. 4)
Code V (A) (D) Date Exercisable Expiration Date Title Amount or Number of Shares
Put Option (obligation to buy) $ 6 11/05/2019   X     30,000   (3) 11/15/2019 Common Stock 30,000 $ 0 2,373,900 (4) D (1)  
Put Option (obligation to buy) $ 7 11/05/2019   X     7,500   (3) 11/15/2019 Common Stock 7,500 $ 0 570,800 (5) D (1)  
Put Option (obligation to buy) $ 8 11/05/2019   X     5,700   (3) 11/15/2019 Common Stock 5,700 $ 0 814,200 (6) D (1)  
Explanation of Responses:
1. This Form 4 is being filed jointly by (each a "Reporting Person" and, collectively, the "Reporting Persons") (i) CCF Chatterjee Charitable Foundation ("CCF"), (ii) MCPI Holdings Limited ("MCPI"), (iii) Labvantage Solutions Technologies Limited ("LVST"), (iv) TCG Lifesciences Limited ("TCGLF"), (v) CSL Holdings Limited ("CSL"), (vi) Chatterjee Fund Management, L.P. ("CFM") and (vii) Purnendu Chatterjee, as the general partner of CFM and trustee of CCF. Each Reporting Person disclaims beneficial ownership of the securities reported herein as owned, beneficially or of record, except to the extent of any pecuniary interest therein.
2. Consists of 600,000 shares of common stock of the Issuer, par value $1.00 per share ("Common Stock"), held by CCF, 3,588,300 shares of Common Stock held by MCPI, 7,181,042 shares of Common Stock held by CFM and 6,906,900 shares of Common Stock held by LVST. TCGLF is filing in its capacity as the parent company of LVST and CSL is filing in its capacity as the parent company of TCGLF. CFM is the direct parent company of CSL and MCPI.
3. These options are currently exercisable.
4. Consists of 250,000 put options written by CFM, 1,523,300 put options written by LVST and 600,600 put options written by MCPI.
5. Consists of 570,800 put options written by MCPI.
6. Consists of 814,200 put options written by MCPI.
See Signatures included in Exhibit 99.1 11/08/2019
** Signature of Reporting Person Date
Reminder: Report on a separate line for each class of securities beneficially owned directly or indirectly.
* If the form is filed by more than one reporting person, see Instruction 4 (b)(v).
** Intentional misstatements or omissions of facts constitute Federal Criminal Violations See 18 U.S.C. 1001 and 15 U.S.C. 78ff(a).
Note: File three copies of this Form, one of which must be manually signed. If space is insufficient, see Instruction 6 for procedure.
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EXHIBIT 99.1

Form 4 List of Reporting Owners and Signature Page
 
Name of designated filer: Chatterjee Fund Management, L.P.

Other joint filers: Chatterjee Charitable Foundation, MCP Holdings Limited, Labvantage Solutions Technologies Limited, TCG Lifesciences Limited, CSL Holdings Limited, Purnendu Chatterjee

Address for Chatterjee Fund Management, L.P., Chatterjee Charitable Foundation and Purnendu Chatterjee is: 888 Seventh Avenue, 37th Floor, New York, NY 10106

Address for MCP Holdings Limited, Labvantage Solutions Technologies Limited, TCG Lifesciences Limited and CSL Holdings Limited is: c/o IQ EQ Corporate Services, 33, Edith Cavell Street Port-Louis, 11324, Mauritius
 
Date of Event Requiring Statement: November 5, 2019

Issuer Name and Ticker or Trading Symbol: McDermott International Inc. [MDR]

   
CHATTERJEE CHARITABLE FOUNDATION
  
       
       
   
By:
/s/  Purnendu Chatterjee
  
     
Name: Purnendu Chatterjee
  
     
Title: Trustee
  
       
       
   
MCPI HOLDINGS LIMITED
  
       
       
   
By:
/s/ Purnendu Chatterjee
  
     
Name: Purnendu Chatterjee
  
     
Title: Director
  
       
       
   
LABVANTAGE SOLUTIONS TECHNOLOGIES LIMITED
  
       
       
   
By:
/s/ Purnendu Chatterjee
  
     
Name: Purnendu Chatterjee
  
     
Title: Director
  
       
       
   
TCG LIFESCIENCES LIMITED
  
       
       
   
By:
/s/ Purnendu Chatterjee
  
     
Name: Purnendu Chatterjee
  
     
Title: Director
  
       
       
   
CSL HOLDINGS LIMITED
  
       
       
   
By:
/s/ Purnendu Chatterjee
  
 
Name: Purnendu Chatterjee
  
 
Title: Director
  
       
       
   
CHATTERJEE FUND MANAGEMENT, LP
  
       
       
   
By:
/s/  Purnendu Chatterjee
  
     
Name: Purnendu Chatterjee
  
     
Title: General Partner
  
         
         
     
/s/  Purnendu Chatterjee
  
     
Purnendu Chatterjee