EXHIBIT 12 WARNER-LAMBERT COMPANY AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES YEARS ENDED DECEMBER 31, -------------------------------------------------------- 1998 1997 1996 1995 1994 -------- -------- -------- -------- -------- (DOLLARS IN MILLIONS) Earnings before income taxes (less minority interests)............................................ $1,766.2 $1,233.4 $1,107.7 $1,018.6 $ 913.1 Add: Interest on indebtedness -- excluding amount capitalized...................................... 113.3 167.0 145.9 122.7 93.7 Amortization of debt expense....................... .8 .4 .5 .4 .4 Interest factor in rent expense(a)................. 37.7 30.7 27.5 26.9 26.2 -------- -------- -------- -------- -------- Adjusted earnings............................. $1,918.0 $1,431.5 $1,281.6 $1,168.6 $1,033.4 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- Fixed Charges: Interest on indebtedness........................... $ 113.3 $ 167.0 $ 145.9 $ 122.7 $ 93.7 Capitalized interest............................... 19.2 8.3 9.6 10.1 9.4 Amortization of debt expense....................... .8 .4 .5 .4 .4 Interest factor in rent expense(a)................. 37.7 30.7 27.5 26.9 26.2 -------- -------- -------- -------- -------- Total fixed charges........................... $ 171.0 $ 206.4 $ 183.5 $ 160.1 $ 129.7 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- Ratio of earnings to fixed charges...................... 11.2 6.9 7.0 7.3 8.0 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- - ------------ (a) Represents one third of rental expense, which the Company believes is a reasonable approximation.