L3 10-Q 2015 Q2 Quarterly report

Exhibit 12

L-3 Communications Holdings, Inc.

and L-3 Communications Corporation

Ratio of Earnings to Fixed Charges

	Second Quarter Ended						First Half Ended
	June 26, 2015			June 27, 2014			June 26, 2015			June 27, 2014
	($ in millions)
Earnings:
Income before income taxes	$	123		$	204		$	282		$	452
Net income attributable to noncontrolling interests		(4	)		(4	)		(8	)		(6	)
Income before income taxes after noncontrolling interests	$	119		$	200		$	274		$	446
Add:
Interest expense		45			37			88			79
Amortization of debt expense		3			2			4			3
Interest component of rent expense		11			11			22			21
Earnings	$	178		$	250		$	388		$	549
Fixed charges:
Interest expense		45			37			88			79
Amortization of debt expense		3			2			4			3
Interest component of rent expense		11			11			22			21
Fixed charges	$	59		$	50		$	114		$	103
Ratio of earnings to fixed charges		3.0	x		5.0	x		3.4	x		5.3	x