EXHIBIT 12 AMOCO COMPANY STATEMENT SETTING FORTH COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (millions of dollars, except ratios) Three Months Ended Year Ended December 31, Mar. 31, 1994 1993 1992 1991 1990 1989 Determination of Income: Consolidated earnings before income taxes and minority interest.. $ 532 $2,427 $1,823 $2,093 $3,456 $3,048 Fixed charges expensed by consolidated companies. 42 193 238 231 266 298 Adjustments for certain companies accounted for by the equity method... 1 9 18 12 24 22 Adjusted earnings plus fixed charges.......... $ 575 $2,629 $2,079 $2,336 $3,746 $3,368 Determination of Fixed Charges: Consolidated interest on indebtedness (including interest capitalized).. $ 30 $ 162 $ 219 $ 216 $ 232 $ 254 Consolidated rental expense representative of an interest factor.. 9 31 20 22 30 30 Adjustments for certain companies accounted for by the equity method... 1 6 12 17 15 21 Total fixed charges..... $ 40 $ 199 $ 251 $ 255 $ 277 $ 305 Ratio of earnings to fixed charges.......... 14.4 13.2 8.3 9.2 13.5 11.1 10.