X0303 5 2009-12-31 0 0 0000314808 Ensco International plc ESV 0001191236 ARMOUR DAVID A 500 N. AKARD STREET SUITE 4300 DALLAS TX 75201-3331 0 1 0 0 Vice President American Depository Shares 2009-12-31 5 A 0 3.2278 19.68 A 1185.1186 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 April through December 2009 since the sale of 188.01 shares the Reporting Person sold in March 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/ David A. Armour 2010-01-11