X0202 4 2006-05-12 0000314808 ENSCO INTERNATIONAL INC ESV 0001232531 MARS PAUL 500 N. AKARD STREET SUITE 4300 DALLAS TX 75201-3331 0 1 0 0 Vice President Common Stock 2006-05-12 4 F 0 547 55.69 D 46724 D Common Stock 2006-04-30 4 I 0 88.238 32.79 A 956.3149 I ENSCO Savings Plan Amount is representative of the total number of shares of common stock acquired, and held indirectly, through normal payroll contributions to the ENSCO Savings Plan as of April 30, 2006. Amount is representative of the total number of shares of common stock acquired, and held indirectly, through normal payroll contributions to the ENSCO Savings Plan for the months of January 2006 through April 2006. Price of securities dependent upon trading price on date of future transactions. The average cost/price is representative of all beneficially, indirectly owned securities acquired via normal contributions to the ENSCO Savings Plan. /s/ Paul Mars 2006-05-12