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   &lt;div align="left" style="font-size: 10pt; margin-top: 6pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;The Company records a deferred tax asset or liability based on the difference between the
   financial statement and tax bases of assets and liabilities, as measured by enacted tax rates
   assumed to be in effect when these differences reverse. The Company believes there is significant
   uncertainty in its future profits due to the growing breadth of its product mix and the effect that
   can have on the timing of revenue recognition, and the related effect on reported U.S. income. At
   June&amp;#160;30, 2010, the Company determined that it is more likely than not that the net U.S. deferred
   tax assets may not be realized and a full valuation allowance continues to be recorded.
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   &lt;div align="left" style="font-size: 10pt; margin-top: 6pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;The income tax provision in the amount of $0.4&amp;#160;million and income tax benefit of $0.4&amp;#160;million
   for the three and six months ended June&amp;#160;30, 2010, respectively, related to the U.S. alternative
   minimum tax (&amp;#8220;AMT&amp;#8221;) state and foreign income taxes as well as interest related to uncertain tax
   positions. The utilization of tax loss carryforwards is limited in the calculation of AMT and, as
   a result, a federal tax charge was recorded in the three and six months ended June&amp;#160;30, 2010 and
   2009. The AMT liability is available as a credit against future tax obligations upon the full
   utilization or expiration of the Company&amp;#8217;s net operating loss carryforward. Included in the
   $0.4&amp;#160;million benefit for the six months ended June&amp;#160;30, 2010 is approximately $1.1&amp;#160;million related
   to the reversal of the valuation allowance on certain deferred tax assets as described below.
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   &lt;div align="left" style="font-size: 10pt; margin-top: 6pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;For the three and six months ended June&amp;#160;30, 2009, the Company recorded income tax provisions
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   certain of the Company&amp;#8217;s foreign subsidiaries as well as interest and penalties related to
   uncertain tax positions.
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   &lt;div align="left" style="font-size: 10pt; margin-top: 6pt"&gt;&amp;#160;&amp;#160;&amp;#160;&amp;#160;&amp;#160;During the quarter ended March&amp;#160;31, 2010, the Company recorded net deferred tax liabilities of
   approximately $1.1&amp;#160;million related to basis differences resulting from the acquisition of
   InstantService. As a result of the InstantService acquisition, the Company released a portion of
   its valuation allowance amounting to approximately $1.1&amp;#160;million to offset the impact of the
   deferred tax liabilities acquired on its pre-acquisition net deferred tax asset balance. In
   accordance with ASC 805, &lt;i&gt;Business Combinations&lt;/i&gt;, the release of the valuation allowance was recorded
   as a tax benefit in the statement of operations.
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      <ElementReferences>Reference 1: http://www.xbrl.org/2003/role/presentationRef
 -Publisher SEC
 -Name Regulation S-X (SX)
 -Number 210
 -Section 08
 -Paragraph h
 -Article 4

Reference 2: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 109
 -Paragraph 136, 172

Reference 3: http://www.xbrl.org/2003/role/presentationRef
 -Publisher FASB
 -Name Statement of Financial Accounting Standard (FAS)
 -Number 109
 -Paragraph 43, 44, 45, 46, 47, 48, 49

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