<SEC-DOCUMENT>0001193125-19-283442-index.html : 20191104
<SEC-HEADER>0001193125-19-283442.hdr.sgml : 20191104
<ACCEPTANCE-DATETIME>20191104164040
ACCESSION NUMBER:		0001193125-19-283442
CONFORMED SUBMISSION TYPE:	424B7
PUBLIC DOCUMENT COUNT:		3
FILED AS OF DATE:		20191104
DATE AS OF CHANGE:		20191104

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MCDERMOTT INTERNATIONAL INC
		CENTRAL INDEX KEY:			0000708819
		STANDARD INDUSTRIAL CLASSIFICATION:	FABRICATED PLATE WORK (BOILER SHOPS) [3443]
		IRS NUMBER:				720593134
		STATE OF INCORPORATION:			R1
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B7
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-227609
		FILM NUMBER:		191190380

	BUSINESS ADDRESS:	
		STREET 1:		777 N. ELDRIDGE PARKWAY
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079
		BUSINESS PHONE:		281-870-5000

	MAIL ADDRESS:	
		STREET 1:		777 N. ELDRIDGE PARKWAY
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77079
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B7
<SEQUENCE>1
<FILENAME>d828526d424b7.htm
<DESCRIPTION>424B7
<TEXT>
Document 1 - file: d828526d424b7.htm

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>2
<FILENAME>g828526g12p15.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 2 - file: g828526g12p15.jpg

</DOCUMENT>
<DOCUMENT>
<TYPE>GRAPHIC
<SEQUENCE>3
<FILENAME>g828526g93l15.jpg
<DESCRIPTION>GRAPHIC
<TEXT>
Document 3 - file: g828526g93l15.jpg

</DOCUMENT>
</SEC-DOCUMENT>