<SEC-DOCUMENT>0000215457-17-003497-index.html : 20170710
<SEC-HEADER>0000215457-17-003497.hdr.sgml : 20170710
<ACCEPTANCE-DATETIME>20170710141632
ACCESSION NUMBER:		0000215457-17-003497
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20170710
DATE AS OF CHANGE:		20170710

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ROWAN COMPANIES PLC
		CENTRAL INDEX KEY:			0000085408
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				981023315
		STATE OF INCORPORATION:			X0
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-30728
		FILM NUMBER:		17957430

	BUSINESS ADDRESS:	
		STREET 1:		CANNON PLACE, 78 CANNON STREET
		CITY:			LONDON
		STATE:			X0
		ZIP:			EC4N 6AF
		BUSINESS PHONE:		7136217800

	MAIL ADDRESS:	
		STREET 1:		2800 POST OAK BOULEVARD, SUITE 5450
		CITY:			HOUSTON
		STATE:			TX
		ZIP:			77056

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROWAN COMPANIES INC
		DATE OF NAME CHANGE:	19920703

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROWAN DRILLING CO INC
		DATE OF NAME CHANGE:	19711110

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ROWAN DRILLING CO
		DATE OF NAME CHANGE:	19671112

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			BlackRock Inc.
		CENTRAL INDEX KEY:			0001364742
		STANDARD INDUSTRIAL CLASSIFICATION:	SECURITY BROKERS, DEALERS & FLOTATION COMPANIES [6211]
		IRS NUMBER:				320174431
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055
		BUSINESS PHONE:		212-810-5300

	MAIL ADDRESS:	
		STREET 1:		55 EAST 52ND STREET
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10055

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	BlackRock, Inc.
		DATE OF NAME CHANGE:	20060929

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	New BlackRock, Inc.
		DATE OF NAME CHANGE:	20060601
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>rowan.companies.cl.txt
<TEXT>
Document 1 - file: rowan.companies.cl.txt

</DOCUMENT>
</SEC-DOCUMENT>