EXHIBIT 12 AMOCO COMPANY STATEMENT SETTING FORTH COMPUTATION OF RATIO OF EARNINGS TO FIXED CHARGES (millions of dollars, except ratios) Nine Months Ended Year Ended December 31, Sept. 30, 1995 1994 1993 1992 1991 1990 Determination of Income: Consolidated earnings before income taxes and minority interest.. $2,120 $2,688 $2,427 $1,823 $2,093 $3,456 Fixed charges expensed by consolidated companies.. 165 140 193 238 231 66 Adjustments for certain companies accounted for by the equity method... 11 7 9 18 12 4 Adjusted earnings plus fixed charges........... $2,296 $2,835 $2,629 $2,079 $2,336 $3,746 Determination of Fixed Charges: Consolidated interest on indebtedness (including interest capitalized)... $ 114 $ 127 $ 162 $ 219 $ 216 $ 32 Consolidated rental expense representative of an interest factor... 52 7 31 20 22 0 Adjustments for certain companies accounted for by the equity method.... 7 5 6 12 17 5 Total fixed charges...... $ 173 $ 139 $ 199 $ 251 $ 255 $ 277 Ratio of earnings to fixed charges........... 13.3* 20.4* 13.2 8.3 9.2 3.5 *Based on outstanding public debt obligations. Including debt with affiliates, the ratio would have been 4.9 as of September 30, 1995, and 13.0 as of December 31, 1994.