EXHIBIT 12
L-3 COMMUNICATIONS HOLDINGS, INC.
AND L-3 COMMUNICATIONS CORPORATION
RATIO OF EARNINGS TO FIXED CHARGES
PREDECESSOR
L-3 COMPANY
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SIX MONTHS YEAR ENDED DECEMBER 31, NINE MONTHS THREE MONTHS
ENDED --------------------------- ENDED ENDED
JUNE 30, DECEMBER 31, MARCH 31,
2002 2001 2000 1999 1998 1997 1997
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Earnings:
Income before income taxes ..... $ 109,392 $ 186,222 $ 134,079 $ 95,430 $ 53,450 $ 22,992 $ (505)
Add:
Interest expense .............. 54,193 80,002 87,308 56,686 47,015 29,884 8,441
Amortization of debt
expense ...................... 3,470 6,388 5,724 3,904 2,564 1,517 --
Interest component of rent
expense ...................... 9,496 14,332 11,882 7,500 4,664 3,213 851
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Earnings ....................... $ 176,551 $ 286,944 $ 238,993 $ 163,520 $ 107,693 $ 57,606 $ 8,787
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Fixed charges:
Interest expense ............... 54,193 80,002 87,308 56,686 47,015 29,884 8,441
Amortization of debt expense ... 3.470 6,388 5,724 3,904 2,564 1,517 --
Interest component of rent
expense ....................... 9,496 14,332 11,882 7,500 4,664 3,213 851
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Fixed charges .................. $ 67,159 $ 100,722 $ 104,914 $ 68,090 $ 54,243 $ 34,614 $ 9,292
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Ratio of earnings to fixed
charges ........................ 2.6x 2.8x 2.3x 2.4x 2.0x 1.7x n.a.(a)
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(a) For the three months ended March 31, 1997, earnings were
insufficient to cover fixed charges by $.5 million.