EX-12.1 3 file002.txt RATIO OF EARNINGS TO FIXED CHARGES EXHIBIT 12.1 L-3 COMMUNICATIONS HOLDINGS, INC. L-3 COMMUNICATIONS CORPORATION RATIO OF EARNINGS TO FIXED CHARGES ($ IN THOUSANDS)
NINE MONTHS ENDED SEPTEMBER 30, 2001 ------------------- Earnings: Income before income taxes .......................................... $114,958 Add: Interest expense (including amortization of debt expense) ......... 64,886 Interest component of rent expense ................................ 9,308 -------- Earnings ............................................................ $189,152 -------- Fixed Charges: Interest expense (including amortization of debt expense) ......... 64,886 Interest component of rent expense ................................ 9,308 -------- Fixed Charges ....................................................... 74,194 -------- Ratio of earnings to fixed charges ................................... 2.5x ========