EXHIBIT 12 Boeing Capital Corporation and Subsidiaries Computation of Ratio of Income to Fixed Charges Nine months ended September 30, (Dollars in millions) 1998 1997 - --------------------------------------------------------------------------------------------------------------- Income: Income before provision for income taxes $ 78.4 $ 65.7 Fixed charges 98.6 97.6 ------------------------------------ Income before provision for income taxes and fixed charges $ 177.0 $ 163.3 ==================================== Fixed charges: Interest expense $ 95.6 $ 95.0 Preferred stock dividends 3.0 2.6 ------------------------------------ $ 98.6 $ 97.6 ==================================== Ratio of income before provision for income taxes and fixed charges to fixed charges 1.80 1.67 ====================================