1 Exhibit 12 TRW Inc. and Subsidiaries Computation of Ratio of Earnings to Fixed Charges - Unaudited (In millions except ratio data) Years Ended December 31 -------------------------------------------------------------------------------------------------------------- 1994 1993 1992 1991 1990 -------------------------------------------------------------------------------------------------------------- Earnings(loss) before income taxes and cumulative effect of accounting changes $534.5 $359.1 $347.6 $(129.4)(A) $343.1 Unconsolidated affiliates (0.6) 0.7 (0.9) (1.0) (13.2) Minority earnings 5.2 5.7 2.6 (7.8) (0.5) Fixed charges excluding capitalized interest 160.9 194.0 227.1 254.3 252.0 -------------------------------------------------------------------------------------------------------------- Earnings $700.0 $559.5 $576.4 $ 116.1 $581.4 -------------------------------------------------------------------------------------------------------------- Fixed charges: Interest expense $104.8 $137.8 $162.9 $ 189.6 $186.9 Capitalized interest 6.6 7.9 12.7 10.1 7.6 Portion of rents representa- tive of interest factor 54.7 54.0 64.0 64.4 64.6 Interest expense of uncon- solidated affiliates 1.4 2.2 0.2 0.3 0.5 -------------------------------------------------------------------------------------------------------------- Total fixed charges $167.5 $201.9 $239.8 $ 264.4 $259.6 -------------------------------------------------------------------------------------------------------------- Ratio of earnings to fixed charges 4.2x 2.8x 2.4x 0.4x(A) 2.2x -------------------------------------------------------------------------------------------------------------- <FN> (A) The 1991 loss before income taxes of $129.4 million includes a charge of $343 million to cover costs associated with restructuring activities. Excluding this charge, the ratio of earnings to fixed charges would have been 1.7x.