1 EXHIBIT 12 PENNZOIL COMPANY AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES FOR THE YEAR ENDED DECEMBER 31, ------------------------------------------------------ 1997 1996 1995 1994 1993 -------- -------- --------- --------- -------- (DOLLAR AMOUNTS EXPRESSED IN THOUSANDS) Income (loss) from continuing operations.......................... $180,255 $133,898 $(305,142) $(283,739) $160,236 -------- -------- --------- --------- -------- Income tax provision (benefit) Federal and foreign................. 117,740 27,563 (164,125) (226,388) 52,737 State............................... 6,400 7,665 (8,408) 5,033 6,468 -------- -------- --------- --------- -------- Total income tax provision (benefit)................. 124,140 35,228 (172,533) (221,355) 59,205 Interest charges...................... 187,271 200,086 217,689 497,799 199,410 -------- -------- --------- --------- -------- Income (loss) before income tax provision (benefit) and interest charges............................. $491,666 $369,212 $(259,986) $ (7,295) $418,851 ======== ======== ========= ========= ======== Fixed charges......................... $200,356 $210,821 $ 221,920 $ 506,826 $210,830 ======== ======== ========= ========= ======== Ratio of earnings to fixed charges.... 2.45 1.75 -- -- 1.99 ======== ======== ========= ========= ======== Amount by which fixed charges exceed earnings............................ $ -- $ -- $ 481,906 $ 514,121 $ -- ======== ======== ========= ========= ======== DETAIL OF INTEREST AND FIXED CHARGES FOR THE YEAR ENDED DECEMBER 31, ---------------------------------------------------- 1997 1996 1995 1994 1993 -------- -------- -------- -------- -------- (DOLLAR AMOUNTS EXPRESSED IN THOUSANDS) Interest charges per consolidated statement of income which includes amortization of debt discount, expense and premium........................... $176,891 $188,155 $198,579 $485,668 $190,968 Add portion of rental expense representative of interest factor(1)............................. 23,465 22,666 23,341 21,158 19,862 -------- -------- -------- -------- -------- Total fixed charges........... 200,356 210,821 221,920 506,826 210,830 Less interest capitalized per consolidated statement of income...... 13,085 10,735 4,231 9,027 11,420 -------- -------- -------- -------- -------- Total interest charges........ $187,271 $200,086 $217,689 $497,799 $199,410 ======== ======== ======== ======== ======== - --------------- (1) Interest factor based on management's estimates and approximates one-third of rental expense.