SEC Contract Filing

Filing Date: 2016-03-24

Document Content:
<DOCUMENT>
<TYPE>EX-10.31
<SEQUENCE>2
<FILENAME>f10k2015ex10xxxi_soligenix.htm
<DESCRIPTION>PURCHASE AGREEMENT DATED AS OF MARCH 22, 2016 BETWEEN THE COMPANY AND LINCOLN PARK CAPITAL FUND, LLC.
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: right"><B>EXHIBIT 10.31</B></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PURCHASE
AGREEMENT</B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0; text-align: justify; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>PURCHASE
AGREEMENT</B> (the &ldquo;<U>Agreement</U>&rdquo;), dated as of March 22, 2016, by and between <B>SOLIGENIX, INC.</B>, a Delaware
corporation (the &ldquo;<U>Company</U>&rdquo;), and <B>LINCOLN PARK CAPITAL FUND, LLC</B>, an Illinois limited liability company
(the &ldquo;<U>Investor</U>&rdquo;).</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>WHEREAS:</B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 45.8pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Subject
to the terms and conditions set forth in this Agreement, the Company wishes to sell to the Investor, and the Investor wishes to
buy from the Company, up to Twelve Million Dollars ($12,000,000) of the Company's common stock, par value $0.001 per share (the
&quot;<U>Common Stock</U>&quot;). The shares of Common Stock to be purchased hereunder are referred to herein as the &quot;<U>Purchase
Shares</U>.&quot;</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9;NOW
THEREFORE, in consideration of the mutual covenants contained in this Agreement, and for other good and valuable consideration,
the receipt and adequacy of which are hereby acknowledged, the Company and the Investor hereby agree as follows:</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt"><B>1.&#9;CERTAIN
DEFINITIONS. </B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">For
purposes of this Agreement, the following terms shall have the following meanings:</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">&#9;(a)&#9;&ldquo;<U>Accelerated
Purchase Share Amount</U>&rdquo; means, with respect to any Accelerated Purchase made pursuant to <U>Section 2(b)</U> hereof,
the number of Purchase Shares directed by the Company to be purchased by the Investor on an Accelerated Purchase Notice, which
number of Purchase Shares shall not exceed the lesser of (i) 300% of the number of Purchase Shares directed by the Company to
be purchased by the Investor pursuant to the corresponding Regular Purchase Notice for the corresponding Regular Purchase referred
to in <U>Section 2(b)</U> hereof (subject to the Purchase Share limitations contained in <U>Section 2(a)</U> hereof) and (ii)
the Accelerated Purchase Share Percentage multiplied by the trading volume of the Common Stock on the Principal Market during
normal trading hours on the Accelerated Purchase Date.</FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 36pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">(b)&#9;&ldquo;<U>Accelerated
Purchase Date</U>&rdquo; means, with respect to any Accelerated Purchase made pursuant to <U>Section 2(b)</U> hereof, the Business
Day immediately following the applicable Purchase Date with respect to the corresponding Regular Purchase referred to in <U>Section
2(b)</U> hereof.</FONT></P>

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