EXHIBIT 12 NABORS INDUSTRIES LTD. AND SUBSIDIARIES COMPUTATION OF RATIOS OF EARNINGS TO FIXED CHARGES (In thousands, except ratio amounts) Year Ended December 31, ----------------------------------- 2002 2001 2000 --------- --------- --------- Income before income taxes $ 140,774 $ 557,612 $ 229,743 Less earnings from affiliates, net of dividends (4,900) (15,833) (10,333) Add amortization of capitalized interest 843 768 661 Add fixed charges as adjusted (from below) 70,341 63,774 37,655 --------- --------- --------- Earnings $ 207,058 $ 606,321 $ 257,726 --------- --------- --------- Fixed charges: Interest expense: Interest on indebtedness (net) $ 31,156 $ 22,921 $ 28,122 Capitalized 1,125 1,609 2,021 Amortization of debt related costs (1) 35,912 37,801 7,248 Interest portion of rental expense 3,273 3,052 2,285 --------- --------- --------- Fixed charges before adjustments 71,466 65,383 39,676 Less capitalized interest (1,125) (1,609) (2,021) --------- --------- --------- Fixed charges as adjusted $ 70,341 $ 63,774 $ 37,655 --------- --------- --------- Ratio (earnings divided by fixed charges before adjustments) 2.90 9.27 6.50 --------- --------- --------- </Table> (1) Includes deferred financing, discount and premium amortization