SEC Contract Filing

Filing Date: 2016-03-21

Document Content:
<DOCUMENT>
<TYPE>EX-10.29
<SEQUENCE>5
<FILENAME>v434165_ex10-29.htm
<DESCRIPTION>EXHIBIT 10.29
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<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin: 0; text-align: right"><B>Exhibit 10.29</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center; background-color: transparent"><FONT STYLE="background-color: white">Enzon
Pharmaceuticals, Inc.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center; background-color: transparent"><FONT STYLE="background-color: white">20
Kingsbridge Road</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center; background-color: transparent"><FONT STYLE="font-weight: normal; background-color: white">Piscataway,
</FONT><FONT STYLE="background-color: white">NJ 08854</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 312pt; text-align: left; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">February
4, 2016</FONT></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; background-color: transparent"><FONT STYLE="background-color: white"><B>&nbsp;</B></FONT></P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; background-color: transparent"><FONT STYLE="background-color: white"><B><U>VIA
EMAIL</U></B></FONT></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: left; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">Kingsbridge
2005, LLC</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: left; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">The Hampshire Companies</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: left; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">83 South Street</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: left; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">Morristown, NJ 07960</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 92pt; text-align: justify; text-indent: -22pt; background-color: transparent"><FONT STYLE="background-color: white">&nbsp;</FONT></P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 70pt"></TD><TD STYLE="width: 22pt"><FONT STYLE="background-color: white">Re:</FONT></TD><TD STYLE="text-align: justify"><FONT STYLE="background-color: white">Transactions related to the termination of that certain Indenture
of Lease dated April 1, 1995 between Enzon and Landlord&rsquo;s predecessor (the &ldquo;Prime Lease&rdquo;) and Enzon&rsquo;s leasing
of the premises demised thereby (the &ldquo;Premises&rdquo;), the transfer of the sublandlord&rsquo;s interest in and to that certain
Amended and Restated Agreement of Sublease dated as of November 13, 2013 (the &ldquo;Agreement&rdquo;) by and between Enzon Pharmaceuticals.
Inc., as sublandlord (&ldquo;Enzon&rdquo;) and Axcellerate Pharma, LLC, as subtenant (&ldquo;Axcellerate&rdquo;), together with
that certain Consent to Sublease and Amendment to Lease dated as of November 14, 2013 (the &ldquo;Consent&rdquo;) by and among
Enzon, Axcellerate and Kingsbridge 2005, LLC, as prime landlord (&ldquo;Kingsbridge&rdquo;) (such Agreement, together with such
Consent, collectively, the &ldquo;Sublease&rdquo;), and those matters set forth in that certain Surrender and Release Agreement
dated as of December 29, 2015 (the &ldquo;Tri-Party Agreement&rdquo;) by and among Enzon, Axcellerate and Kingsbridge</FONT></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: left; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: left; text-indent: 0in; background-color: transparent"><FONT STYLE="background-color: white">Dear
Sir or Madam:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: justify; text-indent: 69pt; background-color: transparent"><FONT STYLE="background-color: white">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2pt; text-align: justify; text-indent: 69pt; background-color: transparent"><FONT STYLE="background-color: white">In
order to clarify the obligations of the parties pursuant to the Sublease and the Tri-Party Agreement, and notwithstanding anything
to the contrary contained in the Tri-Party Agreement, including, without limitation, Section 10 thereof, for good and valuable
consideration, the receipt and sufficiency of which are hereby acknowledged, Enzon and Kingsbridge hereby agree to the following:</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 34pt; tex