EXHIBIT 12 CATERPILLAR FINANCIAL SERVICES CORPORATION STATEMENT SETTING FORTH COMPUTATION OF RATIO OF PROFIT TO FIXED CHARGES (Unaudited) (Millions of Dollars) Three Months Nine months Ended Ended Sept. Sept. Sept. Sept. 30, 30, 30, 30, 1997 1996 1997 1996 Net Income 23.0 $ 22.1 71.9 $ 58.5 Add: Provision for income taxes 13.2 11.6 40.2 33.0 Deduct: Equity in profit of (.6) (.6) (1.9) (1.8) partnerships Profit before taxes $ $ 33.1 $110.2 $ 89.7 35.6 Fixed charges: Interest on borrowed funds $ 96.6 $ 82.7 $263.9 $232.3 Rentals at computed interest* 1.0 .6 2.3 1.8 Total fixed charges $ 97.6 $ 83.3 $266.2 $234.1 Profit before taxes plus fixed $133.2 $116.4 $376.4 $323.8 charges Ratio of profit before taxes plus 1.36 1.40 1.41 1.38 fixed charges to fixed charges *Those portions of rent expense that are representative of interest cost.