X0303 4/A 2009-12-24 2009-12-29 0000314808 Ensco International plc ESV 0001198582 KELLY THOMAS L II 500 N. AKARD STREET SUITE 4300 DALLAS TX 75201-3331 1 0 0 0 American Depository Shares 2009-12-24 4 A 0 25000 42.15 A 36719 D The American Depository Shares represent Class A Ordinary Shares. The issuer, Ensco International plc, is successor to ENSCO International Incorporated. On 12/24/2009 the Reporting Person acquired a total of 25,000 American Depository Shares ("ADS's") in an open market transaction with an average price of $42.15. On 12/29/2009 300 ADS's, with a price of $42.085 per share, out of the total 25,000 ADS's acquired were reported with an acquisition date of 12/04/2009 in error. The subject 300 ADS's were acquired on 12/24/2009. /s/ Cary A. Moomjian, by Power of Attorney 2010-01-06