EXHIBIT 12 WARNER-LAMBERT COMPANY AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN MILLIONS) YEARS ENDED DECEMBER 31, ------------------------------------------------------ 1994 1993 1992 1991 1990 -------- ------ ------ ------ ------ Earnings before income taxes and accounting changes.... $ 913.1 $318.5 $858.2 $221.5 $680.7 Add: Interest on indebtedness -- excluding amount capitalized 93.7 64.2 80.8 58.2 68.7 Amortization of debt expense...................... .4 .5 .6 .4 .3 Interest factor in rent expense(a)................ 26.2 25.4 23.4 22.3 20.6 -------- ------ ------ ------ ------ Adjusted Earnings............................ $1,033.4 $408.6 $963.0 $302.4 $770.3 -------- ------ ------ ------ ------ -------- ------ ------ ------ ------ Fixed Charges: Interest on indebtedness.......................... $ 93.7 $ 64.2 $ 80.8 $ 58.2 $ 68.7 Capitalized interest.............................. 9.4 8.6 8.1 9.4 5.2 Amortization of debt expense...................... .4 .5 .6 .4 .3 Interest factor in rent expense(a)................ 26.2 25.4 23.4 22.3 20.6 -------- ------ ------ ------ ------ Total Fixed Charges.......................... $ 129.7 $ 98.7 $112.9 $ 90.3 $ 94.8 -------- ------ ------ ------ ------ -------- ------ ------ ------ ------ Ratio of earnings to fixed charges..................... 8.0 4.1(b) 8.5 3.3(c) 8.1 -------- ------ ------ ------ ------ -------- ------ ------ ------ ------ - ------------ (a) Represents one third of rental expense, which the company believes is a reasonable approximation. (b) The company's ratio of earnings to fixed charges for 1993 would have been 9.5 excluding the restructuring charge of $525.2 million. (c) The company's ratio of earnings to fixed charges for 1991 would have been 9.4 excluding the restructuring charge of $544.0 million.