EXHIBIT 12 Boeing Capital Corporation and Subsidiaries Computation of Ratio of Income to Fixed Charges Six months ended June 30, (Dollars in millions) 1998 1997 - ---------------------------------------------------------------------------------------------------------------- Income: Income before provision for income taxes $ 50.1 $ 39.9 Fixed charges 66.8 65.9 ------------------------------------- Income before provision for income taxes and fixed charges $ 116.9 $ 105.8 ===================================== Fixed charges: Interest expense $ 64.7 $ 64.2 Preferred stock dividends 2.1 1.7 ------------------------------------- $ 66.8 $ 65.9 ===================================== Ratio of income before provision for income taxes and fixed charges to fixed charges 1.75 1.61 =====================================