EXHIBIT 12 PENNZENERGY COMPANY COMPUTATION OF RATIO OF EARNINGS TO COMBINED FIXED CHARGES AND PREFERRED STOCK DIVIDENDS Three months ended March 31, ---------------------------------- 1999 1998 ------------- ------------- (Expressed in thousands) Loss from continuing operations before income from equity investees $ (29,343) $ (553) Distributions of income from equity investees 598 901 Income tax provision (benefit) (19,114) (4,976) Amortization of capitalized interest 2,341 2,098 Interest charges 32,361 40,724 ------------- ------------- Income before income tax provision and interest charges $ (13,157) $ 38,194 ============= ============= Fixed charges $ 36,958 $ 42,500 ============= ============= Amount by which fixed charges exceed earnings $ 50,115 $ 4,306 ============= ============= DETAIL OF INTEREST AND FIXED CHARGES Three months ended March 31, ---------------------------------- 1999 1998 ------------- ------------- (Expressed in thousands) Interest charges per consolidated statement of income which includes amortization of debt discount, expense and premium $ 31,231 $ 40,963 Preferred stock dividends (grossed up to pre-tax, based on 38% tax rate) 3,926 - Add: portion of rental expense representative of interest factor <F1> 1,801 1,537 ------------- ------------- Total fixed charges $ 36,958 $ 42,500 Less: preferred stock dividends 3,926 - Less: interest capitalized per consolidated statement of income 671 1,776 ------------- ------------- Total interest charges $ 32,361 $ 40,724 ============= ============= <FN> <F1> Interest factor based on management's estimates and approximates one-third of rental expense. </FN>