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