X0202 4 2006-03-29 0000314808 ENSCO INTERNATIONAL INC ESV 0001191243 THORNE CARL F 500 N. AKARD STREET SUITE 4300 DALLAS TX 75201-3331 0 1 0 0 Chief Executive Officer Common Stock 2006-03-29 4 M 0 15625 31.765 A 1290722 D Common Stock 2006-03-29 4 S 0 15625 50.9464 D 1275097 D Common Stock 2006-03-29 4 M 0 28750 30.04 A 1303847 D Common Stock 2006-03-29 4 S 0 28750 50.9464 D 1275097 D Common Stock 2006-03-29 4 S 0 77652 50.5219 D 1197445 D Employee Stock Option (Right to Buy) 31.765 2006-03-29 4 M 0 15625 31.765 D 2003-06-03 2007-06-03 Common Stock 15625 31250 D Employee Stock Option 30.04 2006-03-29 4 M 0 28750 30.04 D 2004-06-02 2008-06-02 Common Stock 28750 57500 D The Employee Stock Options vest a rate of 25% per annum on the anniversary date of the grant. /s/ Robert O. Isaac, by power of attorney 2006-03-30