<SEC-DOCUMENT>0001193805-18-000982.txt : 20180717
<SEC-HEADER>0001193805-18-000982.hdr.sgml : 20180717
<ACCEPTANCE-DATETIME>20180717112316
ACCESSION NUMBER:		0001193805-18-000982
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20180717
DATE AS OF CHANGE:		20180717
GROUP MEMBERS:		DEERFIELD MANAGEMENT COMPANY, L.P.
GROUP MEMBERS:		DEERFIELD MGMT, L.P.
GROUP MEMBERS:		DEERFIELD PRIVATE DESIGN FUND II, L.P.
GROUP MEMBERS:		DEERFIELD PRIVATE DESIGN INTERNATIONAL II, L.P.

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			MANNKIND CORP
		CENTRAL INDEX KEY:			0000899460
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				133607736
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-80559
		FILM NUMBER:		18955874

	BUSINESS ADDRESS:	
		STREET 1:		30930 RUSSELL RANCH ROAD
		STREET 2:		SUITE 301
		CITY:			WESTLAKE VILLAGE
		STATE:			CA
		ZIP:			91362
		BUSINESS PHONE:		818-661-5000

	MAIL ADDRESS:	
		STREET 1:		30930 RUSSELL RANCH ROAD
		STREET 2:		SUITE 301
		CITY:			WESTLAKE VILLAGE
		STATE:			CA
		ZIP:			91362

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Flynn James E
		CENTRAL INDEX KEY:			0001352546

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	MAIL ADDRESS:	
		STREET 1:		780 THIRD AVENUE
		STREET 2:		37TH FLOOR
		CITY:			NEW YORK
		STATE:			NY
		ZIP:			10017
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>e618172_sc13ga-mannkind.htm
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<P STYLE="margin: 0">&nbsp;</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 14pt"><B>SCHEDULE
13G</B></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Rule 13d-102)</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">INFORMATION TO BE INCLUDED IN STATEMENTS
FILED PURSUANT</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">TO RULES 13d-1(b)(c), AND (d) AND AMENDMENTS
THERETO FILED</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PURSUANT TO RULE 13d-2(b)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Amendment No. 2)*</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><FONT STYLE="font-size: 18pt">MannKind
Corporation</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Name of Issuer)</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Title of Class of Securities)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">56400P706</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(CUSIP Number)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">December 31, 2017</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">(Date of Event Which Requires Filing of
this Statement)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Check the appropriate box to designate the
rule pursuant to which this Schedule is filed:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"> &#9744;&nbsp;&nbsp;Rule 13d-1(b)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"> &#9746;&nbsp;&nbsp;Rule 13d-1(c)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"> &#9744;&nbsp;&nbsp;Rule 13d-1(d)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">(Page 1 of 10 Pages)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">----------</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">* The remainder of this cover page shall be filled out for a
reporting person's initial filing on this form with respect to the subject class of securities, and for any subsequent amendment
containing information which would alter the disclosures provided in a prior cover page.</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-indent: 0.25in">The information required in the remainder
of this cover page shall not be deemed to be &quot;filed&quot; for the purpose of Section 18 of the Securities Exchange Act of
1934 or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions of the Act
(however, see the Notes).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Explanatory Note: The purpose of this Amendment No. 2 is to
correct the beneficial ownership of the Reporting Persons as of December 31, 2017 reported in Amendment No. 1 to Schedule 13G,
filed by the Reporting Persons on February 14, 2018 to include shares of the Issuer&rsquo;s common stock issuable upon conversion
of convertible notes held by Deerfield Private Design Fund II, L.P. and Deerfield Private Design International II, L.P. The information
set forth in this Amendment No. 2 reflects beneficial ownership of each Reporting Person as of December 31, 2017, and is based
on 117,147,107 shares of the Issuer&rsquo;s common stock outstanding, as reported in the Issuer&rsquo;s Quarterly Report on Form
10-Q for the quarterly period ended September 30, 2017.</P>

<P STYLE="margin: 0">&nbsp;</P>

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<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 8%">CUSIP No.</TD>
    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 2 of 10 Pages</TD></TR>
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<P STYLE="margin-top: 0; margin-bottom: 0"></P>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

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

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<TABLE CELLSPACING="0" CELLPADDING="2" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse; border: Black 4px double">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">1.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAME OF REPORTING PERSONS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)</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">Deerfield Mgmt, L.P.</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">2.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
&#9744;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) &#9746;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">3.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</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">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">4.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</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">Delaware</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 20%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B>NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P></TD>
    <TD STYLE="width: 20%; border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">5.</FONT></TD>
    <TD STYLE="width: 53%; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</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">0</P></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">6.</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</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">2,279,154 (1)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</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">0</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</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">2,279,154 (1)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</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">2,279,154 (1)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">10.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
        SHARES*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt">&#9744;<FONT STYLE="font-family: Wingdings 2; font-size: 10pt"></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">11.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</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"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1.91% (1)</P></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">12.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON*</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">PN</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></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">(1) Comprised of 2,279,154 shares of common stock underlying
convertible notes held by Deerfield Private Design Fund II, L.P. and Deerfield Private Design International II, L.P., of which
Deerfield Mgmt, L.P. is the general partner. As of December 31, 2017, the provisions of the convertible notes prohibited the issuance
of shares of common stock upon conversion of the notes if the issuance of such shares together with any previous issuance of common
stock under the convertible notes from and after October 23, 2017 would exceed 4,000,000 shares (the &ldquo;Conversion Cap&rdquo;).
The number of shares reported excludes shares issuable upon conversion of the convertible notes in excess of the Conversion Cap.</P>

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

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    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 3  of 10 Pages</TD></TR></TABLE>


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

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<TABLE CELLSPACING="0" CELLPADDING="2" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse; border: Black 4px double">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAME OF REPORTING PERSONS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)</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">Deerfield <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Management
Company, L.P.</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
&#9744;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) &#9746;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</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">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</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">Delaware</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 20%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B>NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P></TD>
    <TD STYLE="width: 20%; border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">5.</FONT></TD>
    <TD STYLE="width: 53%; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</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">0</P></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">6.</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</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"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">2,279,154
(2)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</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">0</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</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">2,279,154 (2)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</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">2,279,154 (2)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
        SHARES*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt">&#9744;<FONT STYLE="font: 10pt Wingdings 2"></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">11.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</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"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">1.91% (2)</P></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">12.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON*</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">PN</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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

</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(2) Comprised of an aggregate of 2,279,154 shares of common
stock underlying convertible notes held by Deerfield Private Design Fund II, L.P. and Deerfield Private Design International II,
L.P., of which Deerfield Management Company, L.P. is the investment advisor. As of December 31, 2017, the provisions of the convertible
notes prohibited the issuance of shares of common stock upon conversion of the notes if the issuance of such shares together with
any previous issuance of common stock under the convertible notes from and after October 23, 2017 would exceed 4,000,000 shares
(the &ldquo;Conversion Cap&rdquo;). The number of shares reported excludes shares issuable upon conversion of the convertible notes
in excess of the Conversion Cap.</P>

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

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

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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 8%">CUSIP No.</TD>
    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 4  of 10 Pages</TD></TR></TABLE>


<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

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

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<TABLE CELLSPACING="0" CELLPADDING="2" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse; border: Black 4px double">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAME OF REPORTING PERSONS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)</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">Deerfield <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Private
Design Fund II, L.P.</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
&#9744;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) &#9746;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</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">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</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">Delaware</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 20%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B>NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P></TD>
    <TD STYLE="width: 20%; border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">5.</FONT></TD>
    <TD STYLE="width: 53%; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</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">0</P></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">6.</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</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-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">2,279,154
(3)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</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">0</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</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">2,279,154 (3)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</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">2,279,154 (3)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
        SHARES*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt">&#9744;<FONT STYLE="font: 10pt Wingdings 2"></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">11.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</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">1.91% (3)</P></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">12.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON*</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">PN&nbsp;</P></TD></TR>
</TABLE>



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

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

</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(3) Comprised of 2,279,154 shares of common stock underlying
convertible notes. As of December 31, 2017, the provisions of the convertible notes prohibited the issuance of shares of common
stock upon conversion of the notes if the issuance of such shares together with any previous issuance of common stock under the
convertible notes from and after October 23, 2017 would exceed 4,000,000 shares (the &ldquo;Conversion Cap&rdquo;). The number
of shares reported excludes shares issuable upon conversion of the convertible notes in excess of the Conversion Cap.<BR STYLE="clear: both">
&nbsp;&nbsp;</P>

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

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    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 5  of 10 Pages</TD></TR></TABLE>


<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="2" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse; border: Black 4px double">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAME OF REPORTING PERSONS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)</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">Deerfield <FONT STYLE="font-family: Times New Roman, Times, Serif; font-size: 10pt">Private
Design International II, L.P. </FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
&#9744;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) &#9746;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</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">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</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">British Virgin Islands</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 20%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B>NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P></TD>
    <TD STYLE="width: 20%; border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">5.</FONT></TD>
    <TD STYLE="width: 53%; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</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">0</P></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">6.</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</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"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">2,279,154 (4)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</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">0</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</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">2,279,154 (4)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</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">2,279,154 (4)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
        SHARES*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt">&#9744;<FONT STYLE="font: 10pt Wingdings 2"></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">11.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</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">1.91% (4)</P></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">12.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON*</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">PN</P></TD></TR>
</TABLE>



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

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

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

</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(4) Comprised of 2,279,154 shares of common stock underlying
convertible notes. As of December 31, 2017, the provisions of the convertible notes prohibited the issuance of shares of common
stock upon conversion of the notes if the issuance of such shares together with any previous issuance of common stock under the
convertible notes from and after October 23, 2017 would exceed 4,000,000 shares (the &ldquo;Conversion Cap&rdquo;). The number
of shares reported excludes shares issuable upon conversion of the convertible notes in excess of the Conversion Cap.</P>

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

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

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




<P STYLE="margin-top: 0; margin-bottom: 0"></P>

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

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


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 8%">CUSIP No.</TD>
    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 6   of 10 Pages</TD></TR></TABLE>


<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="2" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse; border: Black 4px double">
<TR STYLE="vertical-align: top">
    <TD STYLE="border: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">1.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">NAME OF REPORTING PERSONS</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">I.R.S. IDENTIFICATION NO. OF ABOVE PERSONS (ENTITIES ONLY)</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">James E. Flynn</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">2.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(a)
&#9744;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font-family: Times New Roman, Times, Serif">(b) &#9746;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">3.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SEC USE ONLY</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">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">4.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CITIZENSHIP OR PLACE OF ORGANIZATION</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">United States</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 20%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B>NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P></TD>
    <TD STYLE="width: 20%; border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">5.</FONT></TD>
    <TD STYLE="width: 53%; border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE VOTING POWER</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">0</P></TD>
    <TD STYLE="width: 7%; border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">6.</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED VOTING POWER</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">2,279,154 (5)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SOLE DISPOSITIVE POWER</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">0</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">SHARED DISPOSITIVE POWER</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">2,279,154 (5)</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</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">2,279,154 (5)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">10.</FONT></TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES CERTAIN
        SHARES*</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">&nbsp;</P></TD>
    <TD STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid; text-align: center; font-size: 10pt">&#9744;<FONT STYLE="font: 10pt Wingdings 2"></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">11.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"></P></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW 9</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">1.91% (5)</P></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; text-align: center; font-size: 10pt"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">12.</FONT></TD>
    <TD COLSPAN="3" STYLE="border-bottom: black 1pt solid; border-right: black 1pt solid">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">TYPE OF REPORTING PERSON*</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">IN</P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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

</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(5) Comprised of an aggregate of 2,279,154 shares of common
stock underlying convertible notes held by Deerfield Private Design Fund II, L.P. and Deerfield Private Design International II,
L.P. As of December 31, 2017, the provisions of the convertible notes prohibited the issuance of shares of common stock upon conversion
of the notes if the issuance of such shares together with any previous issuance of common stock under the convertible notes from
and after October 23, 2017 would exceed 4,000,000 shares (the &ldquo;Conversion Cap&rdquo;). The number of shares reported excludes
shares issuable upon conversion of the convertible notes in excess of the Conversion Cap.</P>

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




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

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

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


<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 8%">CUSIP No.</TD>
    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 7   of 10 Pages</TD></TR></TABLE>


<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 1(a).</TD>
    <TD COLSPAN="2">Name of Issuer:</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid"><P STYLE="margin: 0pt 0">MannKind Corporation</P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 1(b).</TD>
    <TD COLSPAN="2">Address of Issuer's Principal Executive Offices:</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">30930 Russell Ranch Road, Suite 301&nbsp;</P>

<P STYLE="margin: 0pt 0">Westlake Village, California
91355</P>


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

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 2(a).</TD>
    <TD COLSPAN="2">Name of Person Filing:</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; border-bottom: Black 2px solid"><P STYLE="margin: 0pt 0">James
E. Flynn, Deerfield Mgmt, L.P., Deerfield Management Company, L.P., Deerfield Private Design Fund II, L.P., Deerfield Private
Design International II, L.P.</P>


</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 2(b).</TD>
    <TD COLSPAN="2">Address of Principal Business Office, or if None, Residence:</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid"><P STYLE="margin: 0pt 0">James E. Flynn, Deerfield Mgmt, L.P., Deerfield
Management Company, L.P., Deerfield Private Design Fund II, L.P., Deerfield Private Design International II, L.P., 780 Third Avenue,
37th Floor, New York, NY 10017</P>


</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 2(c).</TD>
    <TD COLSPAN="2">Citizenship:</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">Deerfield Mgmt, L.P., Deerfield Management Company,
L.P., Deerfield Private Design Fund II, L.P. - Delaware limited partnerships;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">Deerfield Private Design International
II, L.P. &ndash; British Virgin Islands limited partnership;</P>

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

<P STYLE="margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">James E. Flynn - United States citizen</P>

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

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


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

</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD>
    </TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 2(d).</TD>
    <TD COLSPAN="2">Title of Class of Securities:</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid"><P STYLE="margin: 0pt 0">Common Stock</P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 2(e).</TD>
    <TD COLSPAN="2">CUSIP Number:</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2" STYLE="border-bottom: Black 2px solid"><P STYLE="margin: 0pt 0">56400P706</P>


</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="width: 88%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 3.</TD>
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">If This Statement is Filed Pursuant to
Rule 13d-1(b), or 13d-2(b) or (c), Check Whether the Person Filing is a:</P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(a)</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Wingdings 2"></FONT>&#9744;</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Broker or dealer registered under Section 15 of the
Exchange Act.</P>



</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(b)</TD>
    <TD STYLE="text-align: center">&#9744;<FONT STYLE="font-family: Wingdings 2"></FONT></TD>
    <TD>Bank as defined in Section 3(a)(6) of the Exchange Act.</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(c)</TD>
    <TD STYLE="text-align: center">&#9744;<FONT STYLE="font-family: Wingdings 2"></FONT></TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Insurance company as defined in Section 3(a)(19) of
the Exchange Act.</P>



</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(d)</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Wingdings 2"></FONT>&#9744;</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Investment company registered under Section 8 of the
Investment Company Act.</P>



</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(e)</TD>
    <TD STYLE="text-align: center">&#9744;<FONT STYLE="font-family: Wingdings 2"></FONT></TD>
    <TD>An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(f)</TD>
    <TD STYLE="text-align: center">&#9744;<FONT STYLE="font-family: Wingdings 2"></FONT></TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">An employee benefit plan or endowment fund in accordance
with Rule 13d-1(b)(1)(ii)(F);</P>



</TD></TR>
</TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt; width: 8%">&nbsp;</TD>
    <TD STYLE="text-align: center; width: 4%">&nbsp;</TD>
    <TD STYLE="width: 88%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(g)</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Wingdings 2"></FONT>&#9744;</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">A parent holding company or control person in accordance
with Rule 13d-1(b)(1)(ii)(G);</P>



</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt"><P STYLE="margin-top: 0; margin-bottom: 0">(h)</P></TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Wingdings 2"></FONT>&#9744;</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">A savings association as defined in Section 3(b) of
the Federal Deposit Insurance Act;</P>



</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(i)</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Wingdings 2"></FONT>&#9744;</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">A church plan that is excluded from the definition
of an investment company under Section 3(c)(14) of the Investment Company Act;</P>



</TD></TR>
</TABLE>

<P STYLE="margin: 0">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

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<P STYLE="margin-top: 0; margin-bottom: 0"></P>



<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 8%">CUSIP No.</TD>
    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 8   of 10 Pages</TD></TR></TABLE>


<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt; width: 8%">&nbsp;</TD>
    <TD STYLE="text-align: center; width: 4%">&nbsp;</TD>
    <TD STYLE="width: 88%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(j)</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Wingdings 2"></FONT>&#9744;</TD>
    <TD>A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">&nbsp;</TD>
    <TD STYLE="text-align: center">&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(k)</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font-family: Wingdings 2"></FONT>&#9744;</TD>
    <TD>Group, in accordance with Rule 13d-1(b)(1)(ii)(K).</TD></TR>
</TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in; text-align: left">If filing as a non-U.S. institution in accordance
with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution: _________________</P>

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

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



<P STYLE="margin-top: 0; margin-bottom: 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 4.</TD>
    <TD COLSPAN="3">Ownership.</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 5%">&nbsp;</TD>
    <TD STYLE="width: 45%">&nbsp;</TD>
    <TD STYLE="width: 42%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD COLSPAN="4"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Provide the following information regarding the aggregate number and percentage of the class of securities of the issuer identified in Item 1.</P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(a)</TD>
    <TD COLSPAN="2">Amount beneficially owned**:</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 2px solid"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Mgmt, L.P. &ndash; 2,279,154 shares</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Management Company,
L.P. &ndash; 2,279,154 shares</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design Fund II, L.P. &ndash; 2,279,154
shares</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design International II, L.P.
&ndash; 2,279,154 shares</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">James E. Flynn &ndash; 2,279,154
shares</P>

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

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


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

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(b)</TD>
    <TD COLSPAN="2">Percent of class**:</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD COLSPAN="3" STYLE="border-bottom: Black 2px solid"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Mgmt, L.P. &ndash; 1.91%</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Management Company,
L.P. &ndash; 1.91%</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design Fund II, L.P. &ndash; 1.91%</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design International II, L.P.
&ndash; 1.91%</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">James E. Flynn &ndash; 1.91%</P>

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


<P STYLE="margin: 0pt 0"></P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="padding-left: 22pt">(c)</TD>
    <TD COLSPAN="2">Number of shares as to which such person has**:</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>(i)</TD>
    <TD>Sole power to vote or to direct the vote:</TD>
    <TD STYLE="border-bottom: Black 2px solid">All Reporting Persons - 0</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>(ii)</TD>
    <TD>Shared power to vote or to direct the vote:</TD>
    <TD STYLE="border-bottom: Black 2px solid; text-align: left"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Mgmt, L.P.
&ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Management
Company, L.P. &ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design
Fund II, L.P. &ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design
International II, L.P. &ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">James E. Flynn - 2,279,154&nbsp;</P>


<P STYLE="margin-top: 0; margin-bottom: 0"></P></TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>(iii)</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Sole power to dispose or to direct the disposition of:</P>



</TD>
    <TD STYLE="border-bottom: Black 2px solid">All Reporting Persons - 0</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>(iv)</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Shared power to dispose or to direct the disposition
of:</P>



</TD>
    <TD STYLE="border-bottom: Black 2px solid; text-align: left"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Mgmt, L.P.
&ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Management
Company, L.P. &ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design
Fund II, L.P. &ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">Deerfield Private Design
International II, L.P. &ndash; 2,279,154</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: left; margin-bottom: 0pt">James E. Flynn - 2,279,154</P></TD></TR>
</TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">**See footnotes on cover pages which are incorporated by reference
herein.</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

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

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





<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 8%">CUSIP No.</TD>
    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 9   of 10 Pages</TD></TR></TABLE>


<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%">
<TR STYLE="vertical-align: top; text-align: left">
    <TD STYLE="width: 8%">Item 5.</TD>
    <TD STYLE="width: 92%">Ownership of Five Percent or Less of a Class.</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">If this statement is being filed to report the fact that as
of the date hereof the reporting person has ceased to be the beneficial owner of more than five percent of the class of securities
check the following &#9746;.</P>


</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 6.</TD>
    <TD>Ownership of More Than Five Percent on Behalf of Another Person.</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">If any other person is known to have the
right to receive or the power to direct the receipt of dividends from, or the proceeds from the sale of, such securities, a statement
to that effect should be included in response to this item and, if such interest relates to more than five percent of the class,
such person should be identified. A listing of the shareholders of an investment company registered under the Investment Company
Act of 1940 or the beneficiaries of employee benefit plan, pension fund or endowment fund is not required.</P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid">N/A</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 7.</TD>
    <TD><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Identification and Classification of the Subsidiary
Which Acquired the Security Being Reported on by the Parent Holding Company or Control Person.</P>



</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">If a parent holding company or Control
person has filed this schedule, pursuant to Rule 13d-1(b)(1)(ii)(G), so indicate under Item 3(g) and attach an exhibit stating
the identity and the Item 3 classification of the relevant subsidiary. If a parent holding company or control person has filed
this schedule pursuant to Rule 13d-1(c) or Rule 13d-1(d), attach an exhibit stating the identification of the relevant subsidiary.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid">N/A</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 8.</TD>
    <TD>Identification and Classification of Members of the Group.</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">If a group has filed this schedule pursuant
to ss.240.13d-1(b)(1)(ii)(J), so indicate under Item 3(j) and attach an exhibit stating the identity and Item 3 classification
of each member of the group. If a group has filed this schedule pursuant to ss.240.13d-1(c) or ss.240.13d-1(d), attach an exhibit
stating the identity of each member of the group.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid">See Exhibit B</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 9.</TD>
    <TD>Notice of Dissolution of Group.</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Notice of dissolution of a group may be
furnished as an exhibit stating the date of the dissolution and that all further filings with respect to transactions in the security
reported on will be filed, if required, by members of the group, in their individual capacity. See Item 5.</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD STYLE="border-bottom: Black 2px solid">N/A</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>Item 10.</TD>
    <TD>Certifications.</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; text-align: left">
    <TD COLSPAN="2"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&quot;By signing below I certify that,
to the best of my knowledge and belief, the securities referred to above were not acquired and are not held for the purpose of
or with the effect of changing or influencing the control of the issuer of the securities and were not acquired and are not held
in connection with or as a participant in any transaction having that purpose or effect, other than activities solely in connection
with a nomination under &sect; 240.14a-11.&quot;</P>



<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in"></P>

</TD></TR>
</TABLE>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

<P STYLE="margin-top: 0; margin-bottom: 0"></P>

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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; font: 10pt Times New Roman, Times, Serif; width: 100%"><TR STYLE="vertical-align: top; text-align: left"><TD STYLE="width: 8%">CUSIP No.</TD>
    <TD STYLE="width: 7%">56400P706</TD>
    <TD STYLE="width: 45%; text-align: center">13G</TD>
    <TD STYLE="width: 15%; text-align: right">Page 10  of 10 Pages</TD></TR></TABLE>


<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;<BR>
</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; text-align: center; margin-bottom: 0pt">SIGNATURE</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-indent: 0.25in">After reasonable inquiry and to the best
of my knowledge and belief, I certify that the information set forth in this statement is true, complete and correct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD MGMT, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: J.E. Flynn Capital, LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD MANAGEMENT COMPANY, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: Flynn Management LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD PRIVATE DESIGN FUND II, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: Deerfield Mgmt, L.P., General Partner</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: J.E. Flynn Capital, LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD PRIVATE DESIGN INTERNATIONAL II, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: Deerfield Mgmt, L.P., General Partner</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: J.E. Flynn Capital, LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">Jonathan Isler, Attorney-In-Fact</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">Date: July 17, 2018</P>

<P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;</P>

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

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<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: center">Exhibit List</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Exhibit A. Joint Filing Agreement.</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">Exhibit B. Item 8 Statement.</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">Exhibit C (1). Power of Attorney.</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">(1) Power of Attorney previously filed as Exhibit 24 to a Form
3 with regard to Proteon Therapeutics, Inc. filed with the Securities and Exchange Commission on August 4, 2017 by Deerfield Special
Situations Fund, L.P., Deerfield Partners, L.P., Deerfield International Master Fund, L.P., Deerfield Private Design Fund III,
L.P., Deerfield Private Design Fund IV, L.P., Deerfield Mgmt, L.P., Deerfield Mgmt III, L.P., Deerfield Mgmt IV, L.P., Deerfield
Management Company, L.P., and James E. Flynn.</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"></P>

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<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"></P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The undersigned agree that this Schedule
13G, and all amendments thereto, relating to the Common Stock of MannKind Corporation shall be filed on behalf of the undersigned.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD MGMT, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: J.E. Flynn Capital, LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD MANAGEMENT COMPANY, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: Flynn Management LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD PRIVATE DESIGN FUND II, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: Deerfield Mgmt, L.P., General Partner</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: J.E. Flynn Capital, LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">DEERFIELD PRIVATE DESIGN INTERNATIONAL II, L.P.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: Deerfield Mgmt, L.P., General Partner</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">By: J.E. Flynn Capital, LLC, General Partner</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">By: <U>/s/ Jonathan Isler</U>&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">Jonathan Isler, Attorney-In-Fact</P>


<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.25in">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-right: 0; margin-bottom: 0pt; text-align: left">Jonathan
Isler, Attorney-In-Fact&nbsp;</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"></P>

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<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: center">Exhibit B</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Due to the relationships between them,
the reporting persons hereunder may be deemed to constitute a &ldquo;group&rdquo; with one another for purposes of Section 13(d)(3)
of the Securities Exchange Act of 1934.</P>

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


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