Initial Statement of Beneficial Ownership (3)

FORM 3	UNITED STATES SECURITIES AND EXCHANGE COMMISSION Washington, D.C. 20549 INITIAL STATEMENT OF BENEFICIAL OWNERSHIP OF SECURITIES	OMB APPROVAL OMB Number: 3235-0104 Estimated average burden hours per response... 0.5
	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 * Suderman Dale	2. Date of Event Requiring Statement (MM/DD/YYYY) 11/18/2019	3. Issuer Name and Ticker or Trading Symbol MCDERMOTT INTERNATIONAL INC [MDR]
(Last)        (First)        (Middle) C/O MCDERMOTT INTERNATIONAL, INC., 757 N. ELDRIDGE PARKWAY	4. Relationship of Reporting Person(s) to Issuer (Check all applicable) _____ Director                          _____ 10% Owner ___X___ Officer (give title below)        _____ Other (specify below) VP, Chief Accounting Officer /
(Street) HOUSTON, TX 77079       (City)              (State)              (Zip)	5. If Amendment, Date Original Filed(MM/DD/YYYY)	6. Individual or Joint/Group Filing(Check Applicable Line) _X_ Form filed by One Reporting Person ___ Form filed by More than One Reporting Person

Table I - Non-Derivative Securities Beneficially Owned
1.Title of Security (Instr. 4)	2. Amount of Securities Beneficially Owned (Instr. 4)	3. Ownership Form: Direct (D) or Indirect (I) (Instr. 5)	4. Nature of Indirect Beneficial Ownership (Instr. 5)
Common Stock	6002	D

Table II - Derivative Securities Beneficially Owned (e.g., puts, calls, warrants, options, convertible securities)
1. Title of Derivate Security (Instr. 4)	2. Date Exercisable and Expiration Date (MM/DD/YYYY)		3. Title and Amount of Securities Underlying Derivative Security (Instr. 4)		4. Conversion or Exercise Price of Derivative Security	5. Ownership Form of Derivative Security: Direct (D) or Indirect (I) (Instr. 5)	6. Nature of Indirect Beneficial Ownership (Instr. 5)
	Date Exercisable	Expiration Date	Title	Amount or Number of Shares
Restricted Stock Units	(1)	(1)	Common Stock	604	(2)	D
Restricted Stock Units	(3)	(3)	Common Stock	1228	(2)	D
Restricted Stock Units	(4)	(4)	Common Stock	8463	(2)	D

Explanation of Responses:
(1)	The restricted stock units vest in three equal annual installments beginning February 28, 2018.
(2)	Each restricted stock unit represents a contingent right to receive the value of one share of MDR common stock, with such restricted stock units to be paid, in the sole discretion of the Compensation Committee: (i) in shares of MDR common stock, (ii) cash equal to the fair market value of the shares of MDR common stock otherwise deliverable, or (iii) any combination thereof.
(3)	The restricted stock units vest in three equal annual installments beginning March 1, 2019.
(4)	The restricted stock units vest in three equal annual installments beginning February 27, 2020.

Reporting Owners
Reporting Owner Name / Address	Relationships
	Director	10% Owner	Officer	Other
Suderman Dale C/O MCDERMOTT INTERNATIONAL, INC. 757 N. ELDRIDGE PARKWAY HOUSTON, TX 77079			VP, Chief Accounting Officer

Signatures
/s/ Kimberly J. Wolford, by Power of Attorney		11/29/2019
**Signature of Reporting Person		Date