EXHIBIT 12 PENNZOIL COMPANY AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES For the six months ended June 30, ---------------------------------- 1995 1994 ------------- ------------- (Dollar amounts expressed in thousands) Income (loss) before cumulative effect of change in accounting principle $ (2,047) $ 27,548 Income tax provision (benefit) Federal and foreign (3,588) 11,819 State 1,059 3,262 ------------- ------------- Total income tax provision (benefit) (2,529) 15,081 Interest charges 108,929 96,720 ------------- ------------- Income before income tax provision (benefit) and interest charges $ 104,353 $ 139,349 ============= ============= Fixed charges $ 111,704 $ 101,214 ============= ============= Ratio of earnings to fixed charges 0.93 1.38 ============= ============= Amount by which fixed charges exceed earnings $ 7,351 $ - ============= ============= DETAIL OF INTEREST AND FIXED CHARGES For the six months ended June 30, ---------------------------------- 1995 1994 ------------- ------------- (Expressed in thousands) Interest charges per Consolidated Statement of Income which includes amortization of debt discount, expense and premium $ 99,021 $ 89,664 Add: portion of rental expense representative of interest factor <F1> 12,683 11,550 ------------- ------------- Total fixed charges $ 111,704 $ 101,214 Less: interest capitalized per Consolidated Statement of Income 2,775 4,494 ------------- ------------- Total interest charges $ 108,929 $ 96,720 ============= ============= <FN> <F1> Interest factor based on management's estimates and approximates one-third of rental expense. </FN>