Valaris Ltd — Director's Dealing 2013

May 6, 2013

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ensco plc (ESV)
CIK: 0000314808
Period of Report: 2013-05-02

Reporting Person: Long Brady K (Vice President and Secretary)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2013-05-02	Class A Ordinary Shares	M	18879	$42.63	Acquired	74213	Direct
2013-05-02	Class A Ordinary Shares	M	10316	$38.87	Acquired	84529	Direct
2013-05-02	Class A Ordinary Shares	S	34395	$57.91	Disposed	50134	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2013-05-02	Employee Share Options (Right to Buy)	$42.63	M	18879	Disposed	2021-01-03	Class A Ordinary Shares (18879.0)	Direct
2013-05-02	Employee Share Options (Right to Buy)	$38.87	M	10316	Disposed	2020-01-29	Class A Ordinary Shares (10316.0)	Direct

Footnotes

F1: The transaction was executed in multiple trades at prices ranging from $57.80 to $58.31. The price reported above reflects the weighted average sales price. The reporting person hereby undertakes to provide upon request to the SEC staff, the issuer or a security holder of the issuer full information regarding the number of shares and prices at which the transaction was effected.