EXHIBIT 12 Boeing Capital Corporation and Subsidiaries Computation of Ratio of Income to Fixed Charges Nine months ended September 30, (Dollars in millions) 1999 1998 - --------------------------------------------------------------------------------------------------------------- Income: Income before provision for income taxes $ 78.2 $ 78.4 Fixed charges 98.3 98.6 ------------------------------------ Income before provision for income taxes and fixed charges $ 176.5 $ 177.0 ==================================== Fixed charges: Interest expense $ 95.7 $ 95.6 Preferred stock dividends 2.6 3.0 ------------------------------------ $ 98.3 $ 98.6 ==================================== Ratio of income before provision for income taxes and fixed charges to fixed charges 1.80 1.80 ====================================