EXHIBIT 99.3 ATWOOD OCEANICS, INC. AND SUBSIDIARIES ANALYSIS OF REVENUES AND DRILLING COSTS (Unaudited) FOR THE THREE MONTHS ENDED SEPTEMBER 30, 2006 DRILLING REVENUES COSTS ------------ ------------ (In Millions) ATWOOD HUNTER $ 19.4 $ 5.9 ATWOOD EAGLE 13.7 7.8 ATWOOD BEACON 10.7 2.7 ATWOOD FALCON 8.4 5.1 VICKSBURG 7.6 3.3 RICHMOND 7.4 3.0 ATWOOD SOUTHERN CROSS 6.6 4.0 AUSTRALIA MANAGEMENT CONTRACTS 4.0 3.5 SEAHAWK 4.0 4.0 OTHER - 1.9 ------ ----- 81.8 41.2 ====== ===== FOR THE TWELVE MONTHS ENDED SEPTEMBER 30, 2006 DRILLING REVENUES COSTS --------------- ------------- (In Millions) ATWOOD EAGLE $ 47.0 $ 26.8 ATWOOD FALCON 30.1 16.5 ATWOOD BEACON 32.1 10.4 VICKSBURG 30.0 11.9 ATWOOD HUNTER 62.8 18.8 SEAHAWK 11.6 8.4 RICHMOND 20.2 10.4 ATWOOD SOUTHERN CROSS 29.9 24.2 AUSTRALIA MANAGEMENT CONTRACTS 12.9 10.8 OTHER - 6.2 ----- ------ 276.6 144.4 ====== ======