EX-12.1 3 file002.txt RATIO OF EARNINGS TO FIXED CHARGES EXHIBIT 12.1 L-3 COMMUNICATIONS HOLDINGS, INC. AND L-3 COMMUNICATIONS CORPORATION RATIO OF EARNINGS TO FIXED CHARGES (DOLLARS IN THOUSANDS)
NINE MONTHS ENDED SEPTEMBER 30, 2002 ------------------- Earnings: Income before income taxes and extraordinary item ......... $ 204,849 Add: Interest expense ........................................ 83,494 Amortization of debt expense ............................ 5,421 Interest component of rent expense ...................... 14,668 --------- Earnings .................................................. 308,432 --------- Fixed Charges: Interest expense ........................................ 83,494 Amortization of debt expense ............................ 5,421 Interest component of rent expense ...................... 14,668 --------- Fixed Charges ............................................. $ 103,583 --------- Ratio of earnings to fixed charges ......................... 3.0x =========