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    The components of debt and a reconciliation to the carrying
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    &lt;b&gt;June&amp;#160;25,&lt;br /&gt;
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
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    &lt;b&gt;December&amp;#160;31,&lt;br /&gt;
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    &amp;#160;
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    &lt;b&gt;2010&lt;/b&gt;
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    &lt;b&gt;2009&lt;/b&gt;
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    &amp;#160;
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    &lt;td&gt;
    &amp;#160;
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    &lt;b&gt;(in millions)&lt;/b&gt;
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    &amp;#160;
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    &lt;b&gt;L-3 Communications:&lt;/b&gt;
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    &lt;td&gt;
    &amp;#160;
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
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    Borrowings under Revolving Credit
    Facility&lt;sup style="font-size: 85%; vertical-align: top"&gt;(1)&lt;/sup&gt;
    &lt;/div&gt;
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    &lt;td&gt;
    &amp;#160;
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    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#8212;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#8212;
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
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    &lt;td align="left" valign="bottom"&gt;
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    5.20%&amp;#160;Senior Notes due 2019
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    1,000
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    1,000
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    4.75%&amp;#160;Senior Notes due 2020
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    800
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#8212;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    6 1/8%&amp;#160;Senior Subordinated Notes due 2013
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    400
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    400
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    6 1/8%&amp;#160;Senior Subordinated Notes due 2014
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#8212;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    400
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    5 7/8%&amp;#160;Senior Subordinated Notes due 2015
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    650
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    650
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    6 3/8%&amp;#160;Senior Subordinated Notes due 2015
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    1,000
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    1,000
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="font-size: 1pt"&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
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    Subtotal
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    3,850
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    3,450
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 10pt"&gt;
    &lt;b&gt;L-3 Holdings:&lt;/b&gt;
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    3%&amp;#160;Convertible Contingent Debt Securities due
    2035&lt;sup style="font-size: 85%; vertical-align: top"&gt;(2)&lt;/sup&gt;
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    700
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    700
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="font-size: 1pt"&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 10pt"&gt;
    Principal amount of long-term debt
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    4,550
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    4,150
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    Less: Unamortized discounts
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    (25
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    )
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    (38
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    )
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="font-size: 1pt"&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 10pt"&gt;
    Carrying amount of long-term debt
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    4,525
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    4,112
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="background: #cceeff"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 20pt"&gt;
    Less: Current portion of long-term
    debt&lt;sup style="font-size: 85%; vertical-align: top"&gt;(3)&lt;/sup&gt;
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    (1,086
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    )
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#8212;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="font-size: 1pt"&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 1px solid #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -10pt; margin-left: 10pt"&gt;
    Carrying amount of long-term debt, excluding current portion
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    3,439
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    4,112
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom" style="font-size: 1pt"&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 3px double #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 3px double #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 3px double #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td style="border-top: 3px double #000000"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;/table&gt;
    &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #ffffff"&gt;
    &lt;/div&gt;
    &lt;div style="margin-top: 6pt; font-size: 1pt"&gt;&amp;#160;
    &lt;/div&gt;
    &lt;div style="font-size: 1pt; margin-left: 0%; width: 11%;  align: left; border-bottom: 1pt solid #000000"&gt;
    &lt;/div&gt;
    &lt;div style="margin-top: 3pt; font-size: 1pt"&gt;&amp;#160;
    &lt;/div&gt;
    &lt;table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent; text-align: left"&gt;
    &lt;tr&gt;
    &lt;td width="1%"&gt;&lt;/td&gt;
    &lt;td width="1%"&gt;&lt;/td&gt;
    &lt;td width="98%"&gt;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
    &lt;td valign="top"&gt;
    &lt;font style="font-size: 8pt"&gt;&lt;sup style="font-size: 85%; vertical-align: top"&gt;(1)&lt;/sup&gt;&lt;/font&gt;&lt;/td&gt;
    &lt;td&gt;&lt;/td&gt;
    &lt;td valign="bottom"&gt;
    &lt;font style="font-size: 8pt"&gt;The Company&amp;#8217;s Revolving Credit
    Facility, which matures on October&amp;#160;23, 2012, allows for
    total aggregate borrowings of up to $1&amp;#160;billion. At
    June&amp;#160;25, 2010, available borrowings under the Revolving
    Credit Facility were $967&amp;#160;million after reductions for
    outstanding letters of credit of $33&amp;#160;million.
    &lt;/font&gt;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;/table&gt;
    &lt;div align="left" style="margin-left: 0%; margin-right: 0%; text-indent: 0%; font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: #ffffff"&gt;
    &lt;font style="display: none; font-size: 1pt"&gt;. &lt;/font&gt;
    &lt;div style="font-family: 'Times New Roman', Times"&gt;
    &lt;/div&gt;
    &lt;div style="margin-top: 3pt; font-size: 1pt"&gt;&amp;#160;
    &lt;/div&gt;
    &lt;table width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; font-family: 'Times New Roman', Times; color: #000000; background: transparent; text-align: left"&gt;
    &lt;tr&gt;
    &lt;td width="1%"&gt;&lt;/td&gt;
    &lt;td width="1%"&gt;&lt;/td&gt;
    &lt;td width="98%"&gt;&lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr&gt;
    &lt;td valign="top"&gt;
    &lt;sup style="font-size: 85%; vertical-align: top"&gt;(2)&lt;/sup&gt;&lt;/td&gt;
    &lt;td&gt;&lt;/td&gt;
    &lt;td valign="bottom"&gt;
    Under select conditions, including if L-3 Holdings common stock
    price is more than 120% (currently $118.73) of the then current
    conversion price ($98.94 as of May&amp;#160;14, 2010)&amp;#160;for a
    specified period, the conversion feature of the CODES will
    require L-3 Holdings, upon conversion, to pay the
    $700&amp;#160;million principal amount in cash, and if the
    settlement amount exceeds the principal amount, the excess will
    be settled in cash or stock or a combination thereof, at the
    Company&amp;#8217;s option. At the current conversion price of
    $98.94, the aggregate consideration to be delivered upon
    conversion would be determined based on 7.1&amp;#160;million shares
    of L-3 Holdings&amp;#8217; common stock. See Note&amp;#160;10 to the
    audited consolidated financial statements for the year ended
    December&amp;#160;31, 2009, included in the Company&amp;#8217;s Annual
    Report on
    &lt;font style="white-space: nowrap"&gt;Form&amp;#160;10-K&lt;/font&gt;
    for additional information regarding the CODES, including
    conditions for conversion. L-3 Holdings&amp;#8217; closing stock
    price on July&amp;#160;29, 2010 was $73.55&amp;#160;per share. The
    effective interest rate on the CODES is 6.33%. Interest expense
    relates to both the contractual coupon interest and amortization
    of the discount on the liability components. Interest expense
    recognized was $11&amp;#160;million for the second quarter ended
    June&amp;#160;25, 2010, $10&amp;#160;million for the second quarter
    ended June&amp;#160;26, 2009, $21&amp;#160;million for the first half
    ended June&amp;#160;25, 2010, and $20&amp;#160;million for the first
    half ended June&amp;#160;26, 2009. The following table provides
    additional information about the Company&amp;#8217;s CODES:&lt;/td&gt;
    &lt;/tr&gt;
    &lt;/table&gt;
    &lt;div style="margin-top: 6pt; font-size: 1pt"&gt;&amp;#160;
    &lt;/div&gt;
    &lt;table border="0" width="100%" align="center" cellpadding="0" cellspacing="0" style="font-size: 8pt; font-family: 'Times New Roman', Times; color: #000000; background: #ffffff; text-align: left"&gt;
    &lt;!-- Table Width Row BEGIN --&gt;
    &lt;tr style="font-size: 1pt" valign="bottom"&gt;
    &lt;td width="79%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=01 type=maindata --&gt;
    &lt;td width="1%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=gutter --&gt;
    &lt;td width="4%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=lead --&gt;
    &lt;td width="1%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=body --&gt;
    &lt;td width="4%" align="left"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=02 type=hang1 --&gt;
    &lt;td width="2%"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=gutter --&gt;
    &lt;td width="4%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=lead --&gt;
    &lt;td width="1%" align="right"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=body --&gt;
    &lt;td width="4%" align="left"&gt;&amp;#160;&lt;/td&gt;&lt;!-- colindex=03 type=hang1 --&gt;
    &lt;/tr&gt;
    &lt;!-- Table Width Row END --&gt;
    &lt;!-- TableOutputHead --&gt;
    &lt;tr style="font-size: 7pt" valign="bottom" align="center"&gt;
    &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom"&gt;
    &lt;b&gt;June&amp;#160;25,&lt;br /&gt;
    &lt;/b&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom"&gt;
    &lt;b&gt;December&amp;#160;31,&lt;br /&gt;
    &lt;/b&gt;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 7pt" valign="bottom" align="center"&gt;
    &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
    &lt;b&gt;2010&lt;/b&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
    &lt;b&gt;2009&lt;/b&gt;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 7pt" valign="bottom" align="center"&gt;
    &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="7" align="center" valign="bottom"&gt;
    &lt;b&gt;(in millions)&lt;/b&gt;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="line-height: 3pt; font-size: 1pt"&gt;
    &lt;td&gt;&amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;!-- TableOutputBody --&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -8pt; margin-left: 8pt"&gt;
    Carrying amount of the equity component (conversion feature)
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;64
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;64
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -8pt; margin-left: 8pt"&gt;
    Unamortized discount of liability component being amortized
    through February&amp;#160;1, 2011
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    13
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
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    &lt;td&gt;
    &amp;#160;
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    24
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
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    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -8pt; margin-left: 8pt"&gt;
    Net carrying amount of liability component
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    &amp;#160;
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    687
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
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    &lt;td&gt;
    &amp;#160;
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    676
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    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
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    &lt;/div&gt;
    &lt;/div&gt;
    &lt;div style="margin-top: 6pt; font-size: 1pt"&gt;&amp;#160;
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    &lt;td valign="top"&gt;
    &lt;font style="font-size: 8pt"&gt;&lt;sup style="font-size: 85%; vertical-align: top"&gt;(3)&lt;/sup&gt;&lt;/font&gt;&lt;/td&gt;
    &lt;td&gt;&lt;/td&gt;
    &lt;td valign="bottom"&gt;
    &lt;font style="font-size: 8pt"&gt;The current portion of long-term
    debt at June&amp;#160;25, 2010 includes: (1)&amp;#160;L-3 Holdings&amp;#8217;
    $700&amp;#160;million CODES, as the holders of the CODES may require
    us to repurchase them in whole or in part at a cash price equal
    to 100% of the principal amount (plus accrued and unpaid
    interest, including contingent interest and additional interest,
    if any) through the exercise of a &amp;#8220;put&amp;#8221; option on
    February&amp;#160;1, 2011, and (2)&amp;#160;L-3 Communications&amp;#8217;
    $400&amp;#160;million
    6&lt;sup style="font-size: 85%; vertical-align: top"&gt;1&lt;/sup&gt;/&lt;sub style="font-size: 85%; vertical-align: text-bottom"&gt;8&lt;/sub&gt;%&amp;#160;Senior
    Subordinated Notes due 2013, which were redeemed on
    July&amp;#160;15, 2010.
    &lt;/font&gt;&lt;/td&gt;
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    &lt;div style="font-family: 'Times New Roman', Times"&gt;
    &lt;/div&gt;
    &lt;div style="margin-top: 3pt; font-size: 1pt"&gt;&amp;#160;
    &lt;/div&gt;
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    &lt;tr&gt;
    &lt;td valign="top"&gt;
    &lt;sup style="font-size: 85%; vertical-align: top"&gt;(2)&lt;/sup&gt;&lt;/td&gt;
    &lt;td&gt;&lt;/td&gt;
    &lt;td valign="bottom"&gt;
    Under select conditions, including if L-3 Holdings common stock
    price is more than 120% (currently $118.73) of the then current
    conversion price ($98.94 as of May&amp;#160;14, 2010)&amp;#160;for a
    specified period, the conversion feature of the CODES will
    require L-3 Holdings, upon conversion, to pay the
    $700&amp;#160;million principal amount in cash, and if the
    settlement amount exceeds the principal amount, the excess will
    be settled in cash or stock or a combination thereof, at the
    Company&amp;#8217;s option. At the current conversion price of
    $98.94, the aggregate consideration to be delivered upon
    conversion would be determined based on 7.1&amp;#160;million shares
    of L-3 Holdings&amp;#8217; common stock. See Note&amp;#160;10 to the
    audited consolidated financial statements for the year ended
    December&amp;#160;31, 2009, included in the Company&amp;#8217;s Annual
    Report on
    &lt;font style="white-space: nowrap"&gt;Form&amp;#160;10-K&lt;/font&gt;
    for additional information regarding the CODES, including
    conditions for conversion. L-3 Holdings&amp;#8217; closing stock
    price on July&amp;#160;29, 2010 was $73.55&amp;#160;per share. The
    effective interest rate on the CODES is 6.33%. Interest expense
    relates to both the contractual coupon interest and amortization
    of the discount on the liability components. Interest expense
    recognized was $11&amp;#160;million for the second quarter ended
    June&amp;#160;25, 2010, $10&amp;#160;million for the second quarter
    ended June&amp;#160;26, 2009, $21&amp;#160;million for the first half
    ended June&amp;#160;25, 2010, and $20&amp;#160;million for the first
    half ended June&amp;#160;26, 2009. The following table provides
    additional information about the Company&amp;#8217;s CODES:&lt;/td&gt;
    &lt;/tr&gt;
    &lt;/table&gt;
    &lt;div style="margin-top: 6pt; font-size: 1pt"&gt;&amp;#160;
    &lt;/div&gt;
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    &amp;#160;
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom"&gt;
    &lt;b&gt;June&amp;#160;25,&lt;br /&gt;
    &lt;/b&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom"&gt;
    &lt;b&gt;December&amp;#160;31,&lt;br /&gt;
    &lt;/b&gt;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr style="font-size: 7pt" valign="bottom" align="center"&gt;
    &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
    &amp;#160;
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
    &lt;b&gt;2010&lt;/b&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="3" nowrap="nowrap" align="center" valign="bottom" style="border-bottom: 1px solid #000000"&gt;
    &lt;b&gt;2009&lt;/b&gt;
    &lt;/td&gt;
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    &lt;tr style="font-size: 7pt" valign="bottom" align="center"&gt;
    &lt;td nowrap="nowrap" align="center" valign="bottom"&gt;
    &amp;#160;
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td colspan="7" align="center" valign="bottom"&gt;
    &lt;b&gt;(in millions)&lt;/b&gt;
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    &lt;tr style="line-height: 3pt; font-size: 1pt"&gt;
    &lt;td&gt;&amp;#160;
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    &lt;div style="text-indent: -8pt; margin-left: 8pt"&gt;
    Carrying amount of the equity component (conversion feature)
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;64
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
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    &lt;td&gt;
    &amp;#160;
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
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    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    &amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;64
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
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    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -8pt; margin-left: 8pt"&gt;
    Unamortized discount of liability component being amortized
    through February&amp;#160;1, 2011
    &lt;/div&gt;
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    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    13
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    24
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;/tr&gt;
    &lt;tr valign="bottom"&gt;
    &lt;td align="left" valign="bottom"&gt;
    &lt;div style="text-indent: -8pt; margin-left: 8pt"&gt;
    Net carrying amount of liability component
    &lt;/div&gt;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    687
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td&gt;
    &amp;#160;
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    $
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    &lt;td nowrap="nowrap" align="right" valign="bottom"&gt;
    676
    &lt;/td&gt;
    &lt;td nowrap="nowrap" align="left" valign="bottom"&gt;
    &amp;#160;
    &lt;/td&gt;
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