Valaris Ltd — Director's Dealing 2012

Aug 23, 2012

SEC Form 4 — Statement of Changes in Beneficial Ownership

Issuer: Ensco plc (ESV)
CIK: 0000314808
Period of Report: 2012-08-21

Reporting Person: Knowlton John Stokes (Sr. Vice President - Technical)

Non-Derivative Transactions

Date	Security	Code	Shares	Price	A/D	Holdings After	Ownership
2012-08-21	Class A Ordinary Shares	M	8497	$46.36	Acquired	67793	Direct
2012-08-21	Class A Ordinary Shares	S	8497	$57.40	Disposed	59296	Direct

Derivative Transactions

Date	Security	Exercise Price	Code	Shares	A/D	Expiration	Underlying	Ownership
2012-08-21	Class A Ordinary Shares	$46.36	M	8497	Disposed	2013-07-03	Class A Ordinary Shares (8497)	Direct

Holdings (Non-Derivative)

Security	Shares	Ownership
Class A Ordinary Shares	163	Indirect

Footnotes

F1: The options became exercisable in 4 equal annual installments beginning on July 3, 2007.