EXHIBIT 12 WARNER-LAMBERT COMPANY AND SUBSIDIARIES COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN MILLIONS) YEARS ENDED DECEMBER 31, ---------------------------------------------------- 1999 1998 1997 1996 1995 ---- ---- ---- ---- ---- Earnings before income taxes and accounting changes (less minority interests).......... $2,441.2 $1,791.0 $1,188.8 $1,069.1 $1,004.1 Add: Interest on indebtedness -- excluding amount capitalized..................... 140.3 114.3 167.5 145.9 122.7 Amortization of debt expense............. .6 .8 .4 .5 .4 Interest factor in rent expense(a)....... 45.8 39.4 32.1 28.5 27.7 -------- -------- -------- -------- -------- Adjusted earnings.................... $2,627.9 $1,945.5 $1,388.8 $1,244.0 $1,154.9 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- Fixed Charges: Interest on indebtedness................. $ 140.3 $ 114.3 $ 167.5 $ 145.9 $ 122.7 Capitalized interest..................... 27.1 19.2 8.3 9.6 10.1 Amortization of debt expense............. .6 .8 .4 .5 .4 Interest factor in rent expense(a)....... 45.8 39.4 32.1 28.5 27.7 -------- -------- -------- -------- -------- Total fixed charges.................. $ 213.8 $ 173.7 $ 208.3 $ 184.5 $ 160.9 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- Ratio of earnings to fixed charges........... 12.3 11.2 6.7 6.7 7.2 -------- -------- -------- -------- -------- -------- -------- -------- -------- -------- - --------- (a) Represents one third of rental expense, which the Company believes is a reasonable approximation.