<SEC-DOCUMENT>0001144204-17-010957.txt : 20170224
<SEC-HEADER>0001144204-17-010957.hdr.sgml : 20170224
<ACCEPTANCE-DATETIME>20170224160126
ACCESSION NUMBER:		0001144204-17-010957
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20170217
ITEM INFORMATION:		Entry into a Material Definitive Agreement
FILED AS OF DATE:		20170224
DATE AS OF CHANGE:		20170224

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MUSTANG BIO, INC.
		CENTRAL INDEX KEY:			0001680048
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				473828760
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			0312

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	000-55668
		FILM NUMBER:		17637084

	BUSINESS ADDRESS:	
		STREET 1:		2 GANSEVOORT STREET
		STREET 2:		9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
		BUSINESS PHONE:		7816524507

	MAIL ADDRESS:	
		STREET 1:		2 GANSEVOORT STREET
		STREET 2:		9TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10014
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>v460388_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>&nbsp;</B></P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>UNITED STATES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>WASHINGTON, D.C. 20549</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>_____________</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>FORM 8-K</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>_____________</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>CURRENT REPORT</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>Pursuant to Section 13 or 15(d)
of the</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>Securities Exchange Act of
1934</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">Date of report (Date of earliest
event reported): <B>February 17, 2017</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>Mustang Bio, Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Exact Name of Registrant as Specified
in Charter)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">&nbsp;&nbsp;&nbsp;</P>

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        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>Delaware</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(State or Other Jurisdiction</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">of Incorporation)</P></TD>
    <TD STYLE="width: 34%; text-align: center">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>000-55668</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Commission File Number)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">&nbsp;</P></TD>
    <TD STYLE="width: 33%; text-align: center">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>47-3828760</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(IRS Employer Identification No.)</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>2 Gansevoort Street, 9th Floor</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>New York, New York 10014</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Address of Principal Executive
Offices)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B><U>(781) 652-4507</U></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in 0pt 0; text-align: center">(Registrant's telephone number,
including area code)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in 0pt 0">Check the appropriate box below if the Form 8-K filing
is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in 0pt 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="padding-right: 0.2in">Written communications pursuant to Rule 425 under the Securities Act.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="padding-right: 0.2in">Soliciting material pursuant to Rule 14a-12 under the Exchange Act.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="padding-right: 0.2in">Pre-commencement communications pursuant to Rule 14d-2b under the Exchange Act.</TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Wingdings 2">&pound;</FONT></TD><TD STYLE="padding-right: 0.2in">Pre-commencement communications pursuant to Rule 13e-4(c) under the Exchange Act.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in 0pt 0"><B></B>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in 0pt 0"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>Item&nbsp;1.01 Entry into a Material
Definitive Agreement.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>Exclusive License Agreement &ndash;
IV/ICV </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On February 17, 2017
(the &ldquo;<B>Effective Date</B>&rdquo;), Mustang Bio, Inc. (the &ldquo;<B>Company</B>&rdquo;) entered into an exclusive license
agreement (the &ldquo;<B>IV/ICV Agreement</B>&rdquo;) with City of Hope (&ldquo;<B>COH</B>&rdquo;) to acquire intellectual property
rights in patent applications related to the intraventricular and intracerebroventricular methods of delivering T cells that express
Chimeric Antigen Receptors (&ldquo;<B>CAR</B>&rdquo;). Pursuant to the IV/ICV Agreement, the Company will pay COH an upfront fee
of $125,000 within 30 days of the Effective Date, in addition to an annual maintenance fee. COH is eligible to receive&nbsp;milestone&nbsp;payments&nbsp;totaling
approximately $125,000, upon and subject to the achievement of certain milestones. &nbsp;Royalty payments in the low single digits
are due on net sales of licensed products and revenue from sublicenses.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The term of the IV/ICV
Agreement expires on a country-by-country basis and on a patent right basis on the later to occur of the expiration of the last
to expire of any of the patent rights in such country and the date on which the last of the remaining obligations under the IV/ICV
Agreement have been satisfied. Either the Company or COH may terminate the IV/ICV Agreement upon notice to the other upon breach
without remedy or upon insolvency. In addition, the Company may terminate the IV/ICV Agreement at will without cause after adequate
notice.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B>The CAR-T Agreements</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><I>&nbsp;</I></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On March 17, 2015,
the Company entered into an exclusive license agreement (the &ldquo;<B>Original Agreement</B>&rdquo;) with COH to acquire CAR engineered
T cells (&ldquo;<B>CAR-T</B>&rdquo;) technology, which included intellectual property rights in patents related to certain IL-13,
CD123, and spacer technologies. (Filed as Exhibit 10.6 to the Company&rsquo;s Registration Statement on Form 10, filed with the
Securities and Exchange Commission on July 28, 2016). On February 17, 2017, the Company and COH amended and restated the Original
Agreement in connection with these patents by entering into three separate amended and restated exclusive license agreements, one
relating to CD123, one relating to IL-13 and one relating to the spacer technology, that amended the Original Agreement in certain
other respects, and collectively replace the Original Agreement in its entirety. The total potential consideration payable to COH
by the Company, in equity or cash, did not, in the aggregate, change materially from the Original Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"><B><I>A&amp;R CD123 License</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On February 17, 2017,
the Company entered into an Amended and Restated Exclusive License Agreement with COH to acquire intellectual property rights pertaining
to CD123 patent rights (the &ldquo;<B>A&amp;R CD123 License</B>&rdquo;). Pursuant to the A&amp;R CD123 License, the Company and
COH acknowledge that an upfront fee has already been paid under the Original Agreement. In addition, an annual maintenance fee
will continue to apply. COH is eligible to receive&nbsp;milestone&nbsp;payments totaling approximately $14.5 million upon and subject
to the achievement of certain milestones. &nbsp;Royalty payments in the mid-single digits are due on net sales of licensed products.
The Company is obligated to pay COH a percentage of certain revenues received in connection with a sublicense in the mid-teens
to mid-thirties, depending on the timing of the sublicense in the development of any product. In addition, equity grants made under
the Original Agreement were acknowledged, and the anti-dilution provisions of the Original Agreement were carried forward.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The term of the A&amp;R
CD123 License expires on a country-by-country basis and on a patent right basis on the later to occur of the expiration of the
last to expire of any of the patent rights in such country and the date on which the last of the remaining obligations under the
A&amp;R CD123 License have been satisfied. Either the Company or COH may terminate the A&amp;R CD123 License upon notice to the
other upon breach without remedy or insolvency. We may also terminate the A&amp;R CD123 License at will without cause.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B><I>A&amp;R IL-13 License</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On February 17, 2017,
the Company entered into an Amended and Restated Exclusive License Agreement with COH to acquire intellectual property rights pertaining
to IL-13 patent rights (the &ldquo;<B>A&amp;R IL-13 License</B>&rdquo;). Pursuant to the A&amp;R IL-13 License, the Company and
COH acknowledge that an upfront fee has already been paid under the Original Agreement. In addition, an annual maintenance fee
will continue to apply. COH is eligible to receive&nbsp;milestone&nbsp;payments totaling approximately $14.5 million upon and subject
to the achievement of certain milestones. &nbsp;Royalty payments in the mid-single digits are due on net sales of licensed products.
The Company is obligated to pay COH a percentage of certain revenues received in connection with a sublicense in the mid-teens
to mid-thirties, depending on the timing of the sublicense in the development of any product. In addition, equity grants made under
the Original Agreement were acknowledged, and the anti-dilution provisions of the Original Agreement were carried forward.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The term of the A&amp;R
IL-13 License expires on a country-by-country basis and on a patent right basis on the later to occur of the expiration of the
last to expire of any of the patent rights in such country and the date on which the last of the remaining obligations under the
A&amp;R IL-13 License have been satisfied. Either the Company or COH may terminate the A&amp;R IL-13 License upon notice to the
other upon breach without remedy or insolvency. We may also terminate the A&amp;R IL-13 License at will without cause.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B><I>A&amp;R Spacer License</I></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">On February 17, 2017,
the Company entered into an Amended and Restated Exclusive License Agreement with COH to acquire intellectual property rights pertaining
to Spacer patent rights (the &ldquo;<B>A&amp;R Spacer License</B>&rdquo;). Pursuant to the A&amp;R Spacer License, the Company
and COH acknowledged that an upfront fee has already been paid under the Original Agreement. In addition, an annual maintenance
fee will continue to apply. &nbsp;No royalties are due if the Spacer technology is used in conjunction with a CD123 CAR or an IL-13
CAR, and royalty payments in the low single digits are due on net sales of licensed products if the Spacer technology is used in
conjunction with other intellectual property. The Company is obligated to pay COH a percentage of certain revenues received in
connection with a sublicense in the mid-thirties. In addition, equity grants made under the Original Agreement were acknowledged,
and the anti-dilution provisions of the Original Agreement were carried forward.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify"></P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The term of the A&amp;R
Spacer License expires on a country-by-country basis and on a patent right basis on the later to occur of the expiration of the
last to expire of any of the patent rights in such country and the date on which the last of the remaining obligations under the
A&amp;R Spacer License have been satisfied. Either the Company or COH may terminate the A&amp;R Spacer License upon notice to the
other upon breach without remedy or insolvency. We may also terminate the A&amp;R Spacer License at will without cause.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">The summaries of each
agreement set forth above do not purport to be complete and are subject to and qualified in their entirety by reference to the
text of such agreements.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><B>SIGNATURES</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.2in 0pt 0; text-align: justify">&nbsp;&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">Pursuant to the requirements
of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned
hereunto duly authorized.</P>

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    <TD STYLE="font: bold 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD COLSPAN="3" STYLE="font: bold 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Mustang Bio, Inc.</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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    <TD COLSPAN="3" STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">(Registrant)</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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    <TD STYLE="width: 61%; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">Date: February 24, 2017</FONT></TD>
    <TD STYLE="width: 3%; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD STYLE="width: 1%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left; width: 30%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 5%"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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    <TD STYLE="font: 10pt Times New Roman, Times, Serif; text-align: right"></TD>
    <TD NOWRAP STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">By:</FONT></TD><TD STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif; text-align: left; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt">&nbsp;&nbsp;/s/
    Michael S. Weiss</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-size: 10pt">Michael S. Weiss</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD><TD STYLE="font: normal 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD>
    <TD STYLE="font: normal 10pt Times New Roman, Times, Serif; text-align: left"><FONT STYLE="font-size: 10pt">President and
    Chief Executive Officer</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">&nbsp;</FONT></TD></TR>
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