X0303 5 2009-12-31 0 0 0000314808 Ensco International plc ESV 0001436960 Burns John Mark 500 N. AKARD STREET SUITE 4300 DALLAS TX 75201-3331 0 1 0 0 Senior Vice President American Depository Shares. 2009-12-31 5 A 0 1005.3348 34.09 A 1723.2068 I ENSCO Savings and Retirement Plans The American Depository Shares represent Class A Ordinary Shares. The issuer, Ensco International plc, is successor to ENSCO International Incorporated. Amount is representative of Ensco American Depository Shares acquired, and held indirectly, through normal payroll contributions to the ENSCO Savings and Retirement Plans as of 12/31/09. Amount is representative of Ensco common stock acquired, and held indirectly, through normal payroll contributions to the ENSCO Savings and Retirement Plans for the months of September through December 2009. Price of Securities dependent upon trading price applicable on date of future transactions. The average cost/price is representative of all benefically, indirectly owned securities acquired via normal payroll contributions to the ENSCO Savings and Retirement Plans. /s/ John Mark Burns 2010-01-11