<SEC-DOCUMENT>0001104659-19-040177.txt : 20190712
<SEC-HEADER>0001104659-19-040177.hdr.sgml : 20190712
<ACCEPTANCE-DATETIME>20190712161606
ACCESSION NUMBER:		0001104659-19-040177
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		2
CONFORMED PERIOD OF REPORT:	20190712
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Material Modifications to Rights of Security Holders
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20190712
DATE AS OF CHANGE:		20190712

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Ensco Rowan plc
		CENTRAL INDEX KEY:			0000314808
		STANDARD INDUSTRIAL CLASSIFICATION:	DRILLING OIL & GAS WELLS [1381]
		IRS NUMBER:				980635229
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-08097
		FILM NUMBER:		19953211

	BUSINESS ADDRESS:	
		STREET 1:		6 CHESTERFIELD GARDENS
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1J5BQ
		BUSINESS PHONE:		4402076594660

	MAIL ADDRESS:	
		STREET 1:		6 CHESTERFIELD GARDENS
		CITY:			LONDON
		STATE:			X0
		ZIP:			W1J5BQ

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Ensco plc
		DATE OF NAME CHANGE:	20100331

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Ensco International plc
		DATE OF NAME CHANGE:	20091223

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ENSCO INTERNATIONAL INC
		DATE OF NAME CHANGE:	19950526
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a19-12769_18k.htm
<DESCRIPTION>8-K
<TEXT>


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<p style="border:none;margin:0in 0in .0001pt;padding:0in;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">UNITED STATES</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES AND EXCHANGE COMMISSION</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Washington, D.C. 20549</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT REPORT</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Pursuant to Section&nbsp;13 or 15(d)&nbsp;of the Securities Exchange Act of 1934</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date of Report (Date of earliest event reported):<b> July&nbsp;12, 2019</b></font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">Ensco Rowan plc</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Exact name of registrant as specified in charter)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">England   and Wales</font></b><br>   (State or other jurisdiction of incorporation)</p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="49%" valign="top" style="padding:0in 0in 0in 0in;width:49.0%;">
<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">98-0635229</font></b><br>   (I.R.S. Employer Identification No.)</p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">1-8097</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File No.)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">6 Chesterfield Gardens</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">London, England W1J 5BQ</font></b></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of Principal Executive Offices)</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Zip Code)</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registrant&#146;s telephone number, including area code:<b> 44 (0) 20 7659 4660</b></font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div align="center" style="margin:0in 0in .0001pt;text-align:center;"><hr size="1" width="25%" noshade align="center" style="color:black;"></div>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box below if the Form&nbsp;8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font> Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font> Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font> Pre-commencement communications pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17 CFR 240.14d-2(b))</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font> Pre-commencement communications pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17 CFR 240.13e-4(c))</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Securities registered pursuant to Section&nbsp;12(b)&nbsp;of the Act:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<td width="39%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Title&nbsp;of&nbsp;each&nbsp;class</font></b></p>    </td>
<td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.68%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="25%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Ticker&nbsp;Symbol(s)</font></b></p>    </td>
<td width="2%" valign="bottom" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>    </td>
<td width="32%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;font-weight:bold;">Name&nbsp;of&nbsp;each&nbsp;exchange&nbsp;on&nbsp;which&nbsp;registered</font></b></p>    </td>   </tr>
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<td width="39%" valign="top" style="padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Class&nbsp;A ordinary   shares, U.S. $0.40 par value</font></p>    </td>
<td width="1%" valign="top" style="padding:0in 0in 0in 0in;width:1.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ESV</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
<tr>
<td width="39%" valign="top" style="padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.70% Senior Notes due   2021</font></p>    </td>
<td width="1%" valign="top" style="padding:0in 0in 0in 0in;width:1.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ESV/21</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
<tr>
<td width="39%" valign="top" style="padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.50% Senior Notes due   2024</font></p>    </td>
<td width="1%" valign="top" style="padding:0in 0in 0in 0in;width:1.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ESV24</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
<tr>
<td width="39%" valign="top" style="padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8.00% Senior Notes due   2024</font></p>    </td>
<td width="1%" valign="top" style="padding:0in 0in 0in 0in;width:1.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ESV24A</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
<tr>
<td width="39%" valign="top" style="padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.20% Senior Notes due   2025</font></p>    </td>
<td width="1%" valign="top" style="padding:0in 0in 0in 0in;width:1.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ESV25A</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
<tr>
<td width="39%" valign="top" style="padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">7.75% Senior Notes due   2026</font></p>    </td>
<td width="1%" valign="top" style="padding:0in 0in 0in 0in;width:1.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ESV26</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">New York Stock Exchange</font></p>    </td>   </tr>
<tr>
<td width="39%" valign="top" style="padding:0in 0in 0in 0in;width:39.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.75% Senior Notes due   2044</font></p>    </td>
<td width="1%" valign="top" style="padding:0in 0in 0in 0in;width:1.68%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.16%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ESV44</font></p>    </td>
<td width="2%" valign="top" style="padding:0in 0in 0in 0in;width:2.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="32%" valign="top" style="padding:0in 0in 0in 0in;width:32.0%;">
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">New York Stock Exchange</font></p>    </td>   </tr>  </table>
</div>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Indicate by check mark whether the registrant is an emerging growth company as defined by Rule&nbsp;405 of the Securities Act of 1933 (17 CFR 230.405) or Rule&nbsp;12b-2 of the Securities Exchange Act of 1934 (17 CFR 240.12b-2). Emerging growth company </font><font face="Wingdings">o</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If an emerging growth company, indicate by check mark if the registrant has elected not to use the extended transition period for complying with any new or revised financial accounting standards provided pursuant to Section&nbsp;13(a)&nbsp;of the Exchange Act. </font><font face="Wingdings">o</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 1.01.</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Entry into a Material Definitive Agreement.</b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On June&nbsp;25, 2019, Ensco Rowan plc (the &#147;Company&#148;) commenced tender offers and consent solicitations for certain series of senior notes of the Company and its wholly owned subsidiaries Ensco International Incorporated and Rowan Companies,&nbsp;Inc., including the Company&#146;s 4.50% Senior Notes due 2024 and 5.20% Senior Notes due 2025 (collectively, the &#147;EnscoRowan Notes&#148;).&#160; The terms and conditions of the tender offers and consent solicitations were described in detail in the Offer to Purchase and Consent Solicitation Statement dated June&nbsp;25, 2019.</font></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On July&nbsp;12, 2019, the Company purchased approximately $951.8 million aggregate principal amount of the senior notes subject to the tender offers for an aggregate purchase price of approximately $724.1 million (excluding accrued interest).&#160; In addition, following the receipt of the requisite consents in the consent solicitations for the EnscoRowan Notes, the Company and Deutsche Bank Trust Company Americas, as trustee, entered into the Sixth Supplemental Indenture on July&nbsp;12, 2019 (the &#147;Sixth Supplemental Indenture&#148;), which gives effect to the amendments to the indentures governing the EnscoRowan Notes, with respect to which the requisite consents were sought and obtained.</font></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Sixth Supplemental Indenture amends the covenants set forth in Section&nbsp;404 (<i>Covenant Defeasance</i>), Section&nbsp;501 (<i>Events of Default</i>), Section&nbsp;602 (<i>Notice of Defaults</i>), Section&nbsp;704 (<i>Reports by Company</i>), Section&nbsp;801 (<i>Company May&nbsp;Consolidate, Etc., Only on Certain Terms</i>), Section&nbsp;802 (<i>Successor Person Substituted</i>), Section&nbsp;1104 (<i>Notice of Redemption</i>) and, with respect to the Second Supplemental Indenture dated September&nbsp;29, 2014 and Third Supplemental Indenture dated March&nbsp;12, 2015, Section&nbsp;5.01 (<i>Limitations on Liens</i>) and Section&nbsp;5.02 (<i>Limitation on Sale/Leaseback Transactions</i>) and, with respect to such Third Supplemental Indenture, Section&nbsp;3.01(b)&nbsp;(<i>Optional Redemption by Company</i>) in the indentures governing the EnscoRowan Notes to, among other things, eliminate substantially all of the restrictive covenants and certain events of default under such indentures and modify certain notice requirements for redemption of the EnscoRowan Notes.</font></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The foregoing description of the Sixth Supplemental Indenture does not purport to be complete and is qualified in its entirety by reference to the full and complete terms of the Sixth Supplemental Indenture, which is filed as Exhibit&nbsp;4.1 to this Current Report on Form&nbsp;8-K.</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 3.03</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Material Modification to Rights of Security Holders.</b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The disclosure under Item 1.01 hereof that is responsive to Item 3.03 hereof is incorporated herein by reference.</font></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 9.01 Financial Statements and Exhibits.</font></b></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&nbsp;Exhibits</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;"><a href="a19-12769_1ex4d1.htm#Exhibit4_1_085357" title="Click to goto ">Sixth   Supplemental Indenture, dated July&nbsp;12, 2019, among Ensco Rowan plc and   Deutsche Bank Trust Company Americas, as trustee.</a></font></p>    </td>   </tr>  </table>
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">2<a name="PB_2_085211_1936"></a></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES</font></b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned hereunto duly authorized.</font></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Ensco   Rowan plc</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date: July&nbsp;12,   2019</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Michael T. McGuinty</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Senior Vice President &#151;   General Counsel and Secretary</font></p>    </td>   </tr>  </table>
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<p align="center" style="font-size:10.0pt;margin:0in 0in .0001pt;text-align:center;">3<a name="PB_3_085235_7056"></a></p>
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<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 4.1<a name="Exhibit4_1_085357"></a></font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ENSCO ROWAN PLC</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">as the Company</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">and</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">DEUTSCHE BANK TRUST COMPANY AMERICAS</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">as Trustee</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIXTH SUPPLEMENTAL INDENTURE</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Dated as of July&nbsp;12, 2019</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">to</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INDENTURE</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Dated as of March&nbsp;17, 2011</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">4.50% SENIOR NOTES DUE 2024</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">5.20% SENIOR NOTES DUE 2025</font></b></p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">TABLE OF CONTENTS</font></b></p>
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<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ARTICLE&nbsp;ONE   RELATION TO EXISTING INDENTURE; DEFINITIONS</font></p>    </td>
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<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;1.01</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Relation to Existing Indenture</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;1.02</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Definitions</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;1.03</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">General References</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>    </td>   </tr>
<tr>
<td width="88%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:88.34%;">
<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="88%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:88.34%;">
<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ARTICLE&nbsp;TWO   AMENDMENTS TO EXISTING INDENTURES</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;2.01</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amendments to Articles Five, Seven and Eight</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;2.02</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amendments to Second Supplemental Indenture and Third   Supplemental Indenture</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;2.03</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman"><font style="font-size:10.0pt;">Amendments to </font>Covenant Defeasance</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;2.04</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amendments to Notice of Defaults</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;2.05</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amendments to Successor Person Substituted</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>    </td>   </tr>
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<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;2.06</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amendments to Notice of Redemption</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>    </td>   </tr>
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<td width="88%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:88.34%;">
<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="88%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:88.34%;">
<p style="margin:0in 0in .0001pt 10.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ARTICLE&nbsp;THREE   MISCELLANEOUS</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;3.01</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Certain Trustee Matters</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;3.02</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Continued Effect</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;3.03</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Governing Law</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>    </td>   </tr>
<tr>
<td width="13%" valign="top" style="padding:0in 0in 0in 0in;width:13.34%;">
<p style="margin:0in 0in .0001pt 20.0pt;text-indent:-10.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;3.04</font></p>    </td>
<td width="75%" valign="top" style="padding:0in 0in 0in 0in;width:75.0%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Counterparts</font></p>    </td>
<td width="11%" valign="top" style="padding:0in 0in 0in 0in;width:11.66%;">
<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>    </td>   </tr>  </table>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt;text-indent:.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIXTH SUPPLEMENTAL INDENTURE</font></b>, dated as of July&nbsp;12, 2019 (this &#147;Supplemental Indenture&#148;), between <b>ENSCO ROWAN PLC</b>, a public limited company organized under the laws of England and Wales (the &#147;Company&#148;), and <b>DEUTSCHE BANK TRUST COMPANY AMERICAS</b>, as trustee (in such capacity, the &#147;Trustee&#148;), under the Indenture, dated as of March&nbsp;17, 2011 (the &#147;Base Indenture&#148;), between the Company and the Trustee.</p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">RECITALS OF THE COMPANY</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">WHEREAS, the Company and the Trustee have heretofore executed the Base Indenture, as supplemented by the Second Supplemental Indenture, dated as of September&nbsp;29, 2014 (the &#147;Second Supplemental Indenture&#148;; the Base Indenture, as supplemented with applicability to the 4.50% Notes (as defined below) by the Second Supplemental Indenture, the &#147;4.50% Notes Indenture&#148;), governing the 4.50% Senior Notes due 2024 (the &#147;4.50% Notes&#148;), and the Third Supplemental Indenture, dated as of March&nbsp;12, 2015 (the &#147;Third Supplemental Indenture&#148;; the Base Indenture, as supplemented with applicability to the 5.20% Notes (as defined below) by the Third Supplemental Indenture, the &#147;5.20% Notes Indenture&#148; and, together with the 4.50% Notes Indenture, the &#147;Existing Indentures&#148;), governing the 5.20% Senior Notes due 2025 (the &#147;5.20% Notes&#148; and, together with the 4.50% Notes, the &#147;Notes&#148;); and</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">WHEREAS, Section&nbsp;902 of the Base Indenture provides, with exceptions not here applicable, that the Company and Trustee may amend or supplement an Existing Indenture with respect to a series of Notes with the consent of the Holders of a majority in principal amount of the Outstanding Notes of such series voting as a separate class; and</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">WHEREAS, pursuant to a solicitation of consents as set forth in the Offer to Purchase and Consent Solicitation Statement of the Company dated June&nbsp;25, 2019 (the &#147;Offer to Purchase and Consent Solicitation Statement&#148;), the Holders of a majority in aggregate principal amount of the Outstanding Notes of each series have consented to the execution and delivery of this Supplemental Indenture, and the execution and delivery of this Supplemental Indenture is permitted by Section&nbsp;902 of the Base Indenture; and</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">WHEREAS, all things necessary to make this Supplemental Indenture legal, valid and binding obligation of the Company according to its terms have been done;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">NOW, THEREFORE, in consideration of the premises, agreements and obligations set forth herein and for other good and valuable consideration, the receipt and sufficiency of which are hereby acknowledged, the parties hereto hereby agree, for the equal and proportionate benefit of all Holders of the applicable series of Notes, as follows:</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ARTICLE&nbsp;ONE <br> RELATION TO EXISTING INDENTURE; DEFINITIONS</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;1.01</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Relation to Existing Indenture.</b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">With respect to each series of Notes, this Supplemental Indenture constitutes an integral part of the applicable Existing Indenture.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;1.02</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Definitions.</b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">For all purposes of this Supplemental Indenture, capitalized terms used and not otherwise defined herein shall have the meanings assigned thereto in the Existing Indenture with respect to the applicable series of Notes.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;1.03</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>General References<i>.</i></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Unless otherwise specified or unless the context otherwise requires, (i)&nbsp;all references in this Supplemental Indenture to Articles and Sections refer to the corresponding Articles and Sections of this Supplemental Indenture and (ii)&nbsp;the terms &#147;<i>herein</i>&#148;, &#147;<i>hereof</i>&#148;, &#147;<i>hereunder</i>&#148; and any other word of similar import refer to this Supplemental Indenture.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ARTICLE&nbsp;TWO <br> AMENDMENTS TO EXISTING INDENTURES</font></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">With respect to each series of Notes, Articles Four, Five, Six, Seven, Eight and Eleven of the applicable Existing Indenture are hereby amended as set forth below in this <u>Article&nbsp;Two</u>; <i>provided, however,</i> that such amendments shall apply only to the applicable series of Notes issued under such Existing Indenture and not to any other series of Securities issued under the Base Indenture or such Existing Indenture. The amendments to an Existing Indenture effected pursuant to this <u>Article&nbsp;Two</u> shall not become operative with respect to a series of Notes until the Company accepts and purchases the Notes satisfying the Requisite Consents (as defined in the Offer to Purchase and Consent Solicitation Statement) with respect to such series of Notes required for purchase in the Tender Offer (as defined in the Offer to Purchase and Consent Solicitation Statement).</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;2.01</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Amendments to Articles Five, Seven and Eight.</b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Each&nbsp;Existing Indenture&nbsp;is hereby amended by deleting the following provisions of such&nbsp;Existing Indenture&nbsp;and all references thereto in their entirety:</font></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; clauses (a)(iii)&nbsp;and (c)&nbsp;of Section&nbsp;501, &#147;Events of Default&#148;;</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Section&nbsp;704, &#147;Reports by Company&#148;; and</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Section&nbsp;801, &#147;Company May&nbsp;Consolidate, Etc., Only on Certain Terms&#148;.</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;2.02</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Amendments to Second Supplemental Indenture and Third Supplemental Indenture.</b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Second Supplemental Indenture and Third Supplemental Indenture are hereby amended by deleting Sections 5.01, &#147;Limitations on Liens&#148; and 5.02, &#147;Limitation on Sale/Leaseback Transactions&#148; and all references thereto in their entirety.</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;2.03</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Amendments to </b><b>Covenant Defeasance</b><b>.</b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;404, &#147;Covenant Defeasance&#148; of each Existing Indenture is hereby amended by deleting &#147;Sections 501(3)&nbsp;through 501(6)&nbsp;and Section&nbsp;501(9)&nbsp;hereof&#148; in the last sentence thereof and by replacing &#147;Section&nbsp;801 hereof with respect to the Outstanding Securities of a series and any other&#148; in the first sentence thereof with &#147;any&#148;.</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;2.04</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Amendments to Notice of Defaults.</b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;602, &#147;Notice of Defaults&#148; of each Existing Indenture is hereby amended by deleting &#147;; and provided, further, that in the case of any Default or Event of Default of the character specified in Section&nbsp;501(3)&nbsp;with respect to Securities of such series, no such notice to Holders shall be given until at least 30 days after the occurrence thereof&#148;.</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;2.05</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Amendments to </b><b>Successor Person Substituted</b><b>.</b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section&nbsp;802, &#147;Successor Person Substituted&#148; of each Existing Indenture is hereby amended by deleting &#147;in accordance with Section&nbsp;801&#148; and &#147;that meets the requirements of Section&nbsp;801 hereof&#148;.</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;2.06</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Amendments to </b><b>Notice of Redemption</b><b><i style="font-weight:bold;">.</i></b></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman"><font style="font-size:10.0pt;">Section&nbsp;1104, &#147;</font>Notice of Redemption</font>&#148; of the Base Indenture and Section&nbsp;3.01(b)&nbsp;of the Third Supplemental Indenture &#147;Optional Redemption by Company&#148; are hereby amended by replacing &#147;30&#148; or &#147;15&#148;, as applicable, with &#147;three Business Days (provided that the Trustee has received drafts of such notice at least five days in advance thereof, or such shorter period as is satisfactory to the Trustee)&#148;.</p>
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<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ARTICLE&nbsp;THREE <br> MISCELLANEOUS</font></b></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;3.01</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Certain Trustee Matters<i>.</i></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The recitals contained herein shall be taken as the statements of the Company, and the Trustee assumes no responsibility for their correctness.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Trustee makes no representations as to the validity or sufficiency of this Supplemental Indenture or the Notes or the proper authorization or the due execution hereof or thereof by the Company.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Except as expressly set forth herein, nothing in this Supplemental Indenture shall alter the duties, rights or obligations of the Trustee set forth in the Existing Indentures.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The Trustee makes no representation or warranty as to the validity or sufficiency of the information contained in the Offer to Purchase and Consent Solicitation Statement, except such information which specifically pertains to the Trustee itself, or any information incorporated therein by reference.</font></p>
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<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;3.02</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Continued Effect<i>.</i></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Except as expressly supplemented and amended by this Supplemental Indenture, each Existing Indenture shall continue in full force and effect in accordance with the provisions thereof, and each Existing Indenture (as supplemented and amended by this Supplemental Indenture) is in all respects hereby ratified and confirmed. This Supplemental Indenture and all its provisions shall be deemed a part of each Existing Indenture in the manner and to the extent herein and therein provided.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;3.03</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Governing Law<i>.</i></b></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This Supplemental Indenture and the Notes shall be governed by and construed in accordance with the laws of the State of New York.</font></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p style="font-size:10.0pt;margin:0in 0in .0001pt .5in;text-indent:-.5in;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Section&nbsp;3.04</font></b><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font><b>Counterparts<i>.</i></b></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This instrument may be executed in any number of counterparts, each of which shall be deemed to be an original, but all such counterparts shall together constitute but one and the same instrument. The exchange of copies of this instrument and of signature pages&nbsp;thereof by facsimile or PDF transmission shall constitute effective execution and delivery of this instrument as to the parties hereto and may be used in lieu of the original instrument for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures for all purposes.</font></p>
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<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">IN WITNESS WHEREOF, the parties hereto have caused this Supplemental Indenture to be duly executed and delivered, all as of the date first written above.</font></p>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">THE   COMPANY:</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">ENSCO ROWAN PLC</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Darin Gibbins</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Darin   Gibbins</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice   President and Treasurer</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The   above signatory for Ensco Rowan plc signed in the presence of:</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Sarah Coronado</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Print   name of witness: Sarah Coronado</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Address:   5847 San Felipe, Suite&nbsp;3300,</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt 38.15pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Houston,   TX 77057</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">TRUSTEE:</font></b></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">DEUTSCHE BANK TRUST COMPANY AMERICAS</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="43%" valign="top" style="padding:0in 0in 0in 0in;width:43.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Jeffrey Schoenfeld</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Jeffrey   Schoenfeld</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice   President</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>
<td width="43%" valign="top" style="padding:0in 0in 0in 0in;width:43.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>    </td>
<td width="43%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:43.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/   Irina Golovashchuk</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>    </td>
<td width="43%" valign="top" style="padding:0in 0in 0in 0in;width:43.34%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Irina   Golovashchuk</font></p>    </td>   </tr>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>    </td>
<td width="6%" valign="top" style="padding:0in 0in 0in 0in;width:6.66%;">
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>    </td>
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<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice   President</font></p>    </td>   </tr>  </table>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">Signature page&nbsp;to Sixth Supplemental Indenture</font></i></p>
<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
<div style="margin:0in 0in .0001pt;"><hr size="3" width="100%" noshade align="left" style="color:#010101;"></div>
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