EXHIBIT 12 Boeing Capital Corporation and Subsidiaries Computation of Ratio of Income to Fixed Charges Three months ended March 31, (Dollars in millions) 1999 1998 - --------------------------------------------------------------------------------------------------------------- Income: Income before provision for income taxes $ 28.8 $ 20.7 Fixed charges 33.9 33.7 ------------------------------------ Income before provision for income taxes and fixed charges $ 62.7 $ 54.4 ==================================== Fixed charges: Interest expense $ 33.0 $ 32.5 Preferred stock dividends 0.9 1.2 ------------------------------------ $ 33.9 $ 33.7 ==================================== Ratio of income before provision for income taxes and fixed charges to fixed charges 1.85 1.61 ====================================