MDR McDermott International Inc

FORM 4 [ ] Check this box if no longer subject to Section 16. Form 4 or Form 5 obligations may continue. See Instruction 1(b).         
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549

STATEMENT OF CHANGES IN BENEFICIAL OWNERSHIP OF SECURITIES                                                                                   
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Filed pursuant to Section 16(a) of the Securities Exchange Act of 1934 or Section 30(h) of the Investment Company Act of 1940                       

1. Name and Address of Reporting Person * Chatterjee Fund Management LP	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)
(Last)          (First)          (Middle) 888 SEVENTH AVE, 37TH FLOOR,	3. Date of Earliest Transaction (MM/DD/YYYY) 1/17/2020
(Street) NEW YORK, NY 10106 (City)        (State)        (Zip)	4. If Amendment, Date Original Filed (MM/DD/YYYY)	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. Trans. Date	2A. Deemed Execution Date, if any	3. Trans. 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	1/17/2020		X		50000	A	$7	22085142 (1)	D (2)

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 3)	2. Conversion or Exercise Price of Derivative Security	3. Trans. Date	3A. Deemed Execution Date, if any	4. Trans. 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		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 of Derivative Security: 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)	$7	1/17/2020		X			50000	(3)	1/17/2020	Common Stock	50000	$0	0	D (2)

Explanation of Responses:
(1)	Consists of 600,000 shares of common stock of the Issuer, par value $1.00 per share ("Common Stock"), held by Chatterjee Charitable Foundation ("CCF"), 5,573,900 shares of Common Stock held by MCPI Holdings Limited ("MCPI"), 7,481,042 shares of Common Stock held by Chatterjee Fund Management, L.P. ("CFM") and 8,430,200 shares of Common Stock held by Labvantage Solutions Technologies Limited ("LVST"). TCG Lifesciences Limited ("TCGLF") is filing in its capacity as the parent company of LVST and CSL Holdings Limited ("CSL") is filing in its capacity as the parent company of TCGLF. CFM is the direct parent company of CSL and MCPI.
(2)	This Form 4 is being filed jointly by (each a "Reporting Person" and, collectively, the "Reporting Persons") (i) CCF, (ii) MCPI, (iii) LVST, (iv) TCGLF, (v) CSL, (vi) 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.
(3)	These options are currently exercisable.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Chatterjee Fund Management LP 888 SEVENTH AVE, 37TH FLOOR NEW YORK, NY 10106		X
Chatterjee Charitable Foundation 888 SEVENTH AVE, 37TH FLOOR NEW YORK, NY 10106		X
MCPI Holdings Ltd C/O IQ EQ CORPORATE SERVICES 33, EDITH CAVELL STREET PORT-LOUIS, O4 11324		X
Labvantage Solutions Technologies Ltd C/O IQ EQ CORPORATE SERVICES 33, EDITH CAVELL STREET PORT-LOUIS, O4 11324		X
TCG Lifesciences Ltd C/O IQ EQ CORPORATE SERVICES 33, EDITH CAVELL STREET PORT-LOUIS, O4 11324		X
CSL Holdings Ltd C/O IQ EQ CORPORATE SERVICES 33, EDITH CAVELL STREET PORT-LOUIS, O4 11324		X
CHATTERJEE PURNENDU 888 SEVENTH AVENUE, 37TH FLOOR NEW YORK, NY 10106		X

Signatures
See Signatures included in Exhibit 99.1		1/21/2020
**Signature of Reporting Person		Date