1 EXHIBIT 12 PENNZOIL - QUAKER STATE COMPANY COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES ------------------------------------------------------------- 1996 1997 1998 1999 2000 --------- --------- --------- --------- --------- Income from continuing operations before equity income from partnerships ...... $ 2,927 $ (8,244) $ (60,407) $ (18,144) $ (13,019) Distribution of income from partnerships ........... 16,600 7,460 18,941 Amortization of capitalized interest ............... 575 1,292 1,904 1,510 905 Income tax provision (benefit) ..................... (4,383) (1,274) (36,994) 8,112 17,658 Interest charges ................................... 70,074 77,217 86,753 107,195 121,957 --------- --------- --------- --------- --------- Income before income tax provision and interest charges ........................ $ 69,193 $ 68,991 $ 7,856 $ 106,133 $ 146,442 ========= ========= ========= ========= ========= Fixed charges ...................................... $ 80,177 $ 84,658 $ 87,008 $ 107,195 $ 121,957 ========= ========= ========= ========= ========= Ratio of earnings to fixed charges ................. -- -- -- -- 1.20 ========= ========= ========= ========= ========= Amount by which fixed charges exceed earnings ...... $ 10,984 $ 15,667 $ 79,152 $ 1,062 ========= ========= ========= ========= ========= DETAIL OF INTEREST AND FIXED CHARGES Interest charges per Consolidated Statement of Income which includes amortization of debt discount, expense and premium ............... $ 65,174 $ 69,221 $ 70,198 $ 80,588 $ 94,895 Add: portion of rental expense representative of interest factor (1) ............ 15,003 15,437 16,810 26,607 27,062 --------- --------- --------- --------- --------- Total fixed charges .............................. $ 80,177 $ 84,658 $ 87,008 $ 107,195 $ 121,957 Less: interest capitalized per Consolidated Statement of Income .............................. 10,103 7,441 255 -- -- --------- --------- --------- --------- --------- Total interest charges ........................... $ 70,074 $ 77,217 $ 86,753 $ 107,195 $ 121,957 ========= ========= ========= ========= ========= - ---------- (1) Interest factor based on management's estimates and approximates one-third of rental expense.