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&lt;p style="MARGIN-TOP: 24pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt"&gt;
&lt;b&gt;8. Capital Stock&lt;/b&gt;&lt;/p&gt;
&lt;p style="MARGIN-TOP: 12pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt"&gt;
&lt;b&gt;&lt;i&gt;Issuance of Common Stock &amp;#x2013; &amp;#x201C;At the Market&amp;#x201D;
Programs&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p style="MARGIN-TOP: 12pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt" align="justify"&gt;From time to time, the Company may sell shares of
its common stock in &amp;#x201C;at-the-market&amp;#x201D; offerings. Sales of
the shares of common stock, if any, may be made in private
transactions, negotiated transactions or any method permitted by
law deemed to be an &amp;#x201C;at the market&amp;#x201D; offering as defined
in Rule 415 under the Securities Act of 1933, as amended, including
sales made directly on the New York Stock Exchange
(&amp;#x201C;NYSE&amp;#x201D;) or to or through a market maker other than on
an exchange.&lt;/p&gt;
&lt;p style="MARGIN-TOP: 12pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt" align="justify"&gt;On February&amp;#xA0;29, 2012, the Company entered into
sales agreements (the &amp;#x201C;2012 Sales Agreements&amp;#x201D;) with
Cantor Fitzgerald&amp;#xA0;&amp;amp; Co. (&amp;#x201C;Cantor&amp;#x201D;) and JMP
Securities LLC (&amp;#x201C;JMP&amp;#x201D;) to establish a new
&amp;#x201C;at-the-market&amp;#x201D; program (the &amp;#x201C;2012
Program&amp;#x201D;). Under the terms of the 2012 Sales Agreements, the
Company may offer and sell up to 10,000,000 shares of its common
stock from time to time through Cantor or JMP, each acting as agent
and/or principal. The shares of common stock issuable pursuant to
the 2012 Program are registered with the Securities and Exchange
Commission (&amp;#x201C;SEC&amp;#x201D;) on the Company&amp;#x2019;s Registration
Statement on Form S-3 (No. 333-179805), which became effective upon
filing on February&amp;#xA0;29, 2012.&lt;/p&gt;
&lt;p style="MARGIN-TOP: 12pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt" align="justify"&gt;For the three and six months ended June&amp;#xA0;30,
2013, the Company did not issue any shares of common stock in
at-the-market transactions.&lt;/p&gt;
&lt;p style="MARGIN-TOP: 18pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt"&gt;
&lt;b&gt;&lt;i&gt;Stock Repurchase Program&lt;/i&gt;&lt;/b&gt;&lt;/p&gt;
&lt;p style="MARGIN-TOP: 12pt; FONT-FAMILY: Times New Roman; MARGIN-BOTTOM: 0pt; FONT-SIZE: 12pt"&gt;
On June 18, 2013, the Company&amp;#x2019;s board of directors authorized
a stock repurchase program (the &amp;#x201C;Repurchase Program&amp;#x201D;)
to acquire up to 10,000,000 shares of the Company&amp;#x2019;s common
stock. As of June 30, 2013, the Company had not repurchased any
shares of common stock under the Repurchase Program. During periods
when the Company&amp;#x2019;s board of directors has authorized the
Company to repurchase shares under the Repurchase Program, the
Company will not be authorized to issue shares of common stock
under the 2012 Program described above.&amp;#xA0;Similarly, during
periods when the Company&amp;#x2019;s board of directors has authorized
the Company to issue shares of common stock under the 2012 Program,
the Company will not be authorized to repurchase shares under the
Repurchase Program.&lt;/p&gt;
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