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&lt;p style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 0pt;"&gt;&lt;font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2"&gt;In the six months ended June&amp;#160;30, 2013,&lt;/font&gt; &lt;font style="FONT-SIZE: 10pt;" size="2"&gt;542,121&amp;#160;shares of restricted Common Stock vested, of which 84,224&amp;#160;shares were withheld by us to satisfy the employees&amp;#8217; tax liability resulting from the vesting of these shares, with the remaining shares being distributed to the employees and directors.&amp;#160; During the six months we also had 37,275&amp;#160;unvested shares of restricted Common Stock forfeited due to employee departures.&amp;#160; We also issued 16,458&amp;#160;shares pursuant to stock option exercises.&amp;#160; Discretionary grants of 642,000&amp;#160;shares of unvested restricted Common Stock were made to our employees during the six months ended June&amp;#160;30, 2013 as incentive-based equity compensation under the 2005 Stock Incentive Plan.&amp;#160; We also granted 71,205&amp;#160;shares of restricted Common Stock to three members of our board of directors as compensation pursuant to the Director Compensation Plan.&lt;/font&gt;&lt;/p&gt;
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&lt;p style="TEXT-INDENT: 0.25in; MARGIN: 0in 0in 0pt;"&gt;&lt;font style="FONT-FAMILY: Times New Roman; FONT-SIZE: 10pt;" size="2"&gt;In the six months ended June&amp;#160;30, 2012,&lt;/font&gt; &lt;font style="FONT-SIZE: 10pt;" size="2"&gt;303,016&amp;#160;shares of restricted Common Stock vested, of which 41,934&amp;#160;shares were withheld by us to satisfy the employees&amp;#8217; tax liability resulting from the vesting of these shares, with the remaining shares being distributed to the employees and directors.&amp;#160; During the six months we also had 27,965&amp;#160;unvested shares of restricted Common Stock forfeited due to employee departures.&amp;#160; We also issued 2,897&amp;#160;shares pursuant to stock option exercises.&amp;#160; Discretionary grants of 954,000&amp;#160;shares of unvested restricted Common Stock were made to our employees during the six months ended June&amp;#160;30, 2012 as incentive-based equity compensation under the 2005 Stock Incentive Plan.&amp;#160; We also granted 54,879&amp;#160;shares of restricted Common Stock to three members of our board of directors as compensation pursuant to the Director Compensation Plan.&lt;/font&gt;&lt;/p&gt;
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