<SEC-DOCUMENT>0001193125-21-109247.txt : 20210408
<SEC-HEADER>0001193125-21-109247.hdr.sgml : 20210408
<ACCEPTANCE-DATETIME>20210407215226
ACCESSION NUMBER:		0001193125-21-109247
CONFORMED SUBMISSION TYPE:	424B5
PUBLIC DOCUMENT COUNT:		2
FILED AS OF DATE:		20210408
DATE AS OF CHANGE:		20210407

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			XOMA Corp
		CENTRAL INDEX KEY:			0000791908
		STANDARD INDUSTRIAL CLASSIFICATION:	PHARMACEUTICAL PREPARATIONS [2834]
		IRS NUMBER:				522154066
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		424B5
		SEC ACT:		1933 Act
		SEC FILE NUMBER:	333-254073
		FILM NUMBER:		21813641

	BUSINESS ADDRESS:	
		STREET 1:		2200 POWELL STREET
		STREET 2:		SUITE 310
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608
		BUSINESS PHONE:		510-204-7239

	MAIL ADDRESS:	
		STREET 1:		2200 POWELL STREET
		STREET 2:		SUITE 310
		CITY:			EMERYVILLE
		STATE:			CA
		ZIP:			94608

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XOMA LTD /DE/
		DATE OF NAME CHANGE:	19990107

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	XOMA CORP /DE/
		DATE OF NAME CHANGE:	19920703
</SEC-HEADER>
<DOCUMENT>
<TYPE>424B5
<SEQUENCE>1
<FILENAME>d171227d424b5.htm
<DESCRIPTION>424B5
<TEXT>
<HTML><HEAD>
<TITLE>424B5</TITLE>
</HEAD>
 <BODY BGCOLOR="WHITE">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="right"><B>Filed Pursuant to Rule 424(b)(5)<BR>Registration No. 333-254073 </B></P>
<p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman"><B>PROSPECTUS SUPPLEMENT </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman"><B>(To Prospectus dated March&nbsp;19, 2021) </B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="margin-top:0pt;margin-bottom:0pt" ALIGN="center">


<IMG SRC="g171227g68y89.jpg" ALT="LOGO">
 </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>XOMA CORPORATION </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>1,400,000 Depositary Shares </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:13pt; font-family:Times New Roman" ALIGN="center"><B>Each Representing 1/1000th of a Share of 8.375% Series B Cumulative Perpetual Preferred Stock </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:13pt; font-family:Times New Roman" ALIGN="center"><B>(Liquidation Preference Equivalent to $25.00 Per Depositary Share) </B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman">XOMA Corporation is offering 1,400,000 depositary shares, each representing a 1/1000th fractional interest in a share of 8.375% Series B Cumulative Perpetual
Preferred Stock (the &#147;Series B Preferred Stock&#148;), which we refer to in this prospectus as the depositary shares. 1,400 shares of Series B Preferred Stock underlying the depositary shares will be deposited with American Stock
Transfer&nbsp;&amp; Trust Company, LLC, as depositary. As a holder of the depositary shares, you will be entitled to all proportional rights, preferences and privileges of the Series B Preferred Stock represented thereby, including dividend, voting,
redemption and liquidation rights and preferences. The proportionate liquidation preference of each depositary share is $25.00. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman">We will pay cumulative
distributions on the Series B Preferred Stock underlying the depositary shares, from, and including, the date of original issuance, in the amount of $2.09375 per depositary share each year, which is equivalent to 8.375% of the $25.00 liquidation
preference per depositary share. Dividends on the Series B Preferred Stock will be payable quarterly in arrears, on or about the 15th day of January, April, July and October of each year (or, if not on a business day, on the next succeeding business
day). The first dividend on the depositary shares sold in this offering will be paid on or about July&nbsp;15, 2021. We will establish a segregated account that will be funded at closing with proceeds sufficient to
<FONT STYLE="white-space:nowrap">pre-fund</FONT> four (4)&nbsp;quarterly dividend payments. The segregated account may only be used to pay dividends on the Series B Preferred Stock underlying the depositary shares, when legally permitted, and may
not be used for other corporate purposes. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:11.5pt; font-family:Times New Roman"><B>Investing in the depositary
shares and our preferred stock involves risks. You should carefully consider the risks described under the section entitled &#147;<A HREF="#supptoc171227_4">Risk Factors</A>&#148; beginning on page <FONT STYLE="white-space:nowrap">S-13</FONT> of
this prospectus supplement and in the documents incorporated by reference in this prospectus supplement and the accompanying prospectus. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman"><B>Neither
the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this prospectus supplement or the accompanying base prospectus is truthful or complete. Any representation to
the contrary is a criminal offense. </B></P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:9.5pt" ALIGN="center">


<TR>

<TD WIDTH="72%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Per<BR>Share</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Total</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:9.5pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:9.5pt; font-family:Times New Roman">Public offering price(1)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">25.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">35,000,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:9.5pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:9.5pt; font-family:Times New Roman">Underwriting discount(2)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">1.25</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">1,750,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:9.5pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:9.5pt; font-family:Times New Roman">Proceeds to us, before expenses(3)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">23.75</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom">$</TD>
<TD VALIGN="bottom" ALIGN="right">33,250,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="line-height:8.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000;width:11%">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:9.5pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman; " ALIGN="left">Plus accrued dividends, if any, from the original date of issuance. </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:9.5pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman; " ALIGN="left">See &#147;Underwriting&#148; for a description of all underwriting compensation payable in connection with
this offering. </P></TD></TR></TABLE>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:9.5pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman; " ALIGN="left">Assumes no exercise of the underwriters&#146; option described below. </P></TD></TR></TABLE>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman">We have granted the underwriters an option to purchase up to an additional 200,000 depositary shares within 30 days from the date of this prospectus
supplement. If the underwriters exercise the option in full, the total underwriting discounts and commissions payable by us will be $2,000,000 (excluding the structuring fee), and the total proceeds to us, before payment of the structuring fee and
expenses will be $38,000,000. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman" ALIGN="center">The underwriters expect to deliver the depositary shares on or about April&nbsp;9, 2021. </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman" ALIGN="center"><B><I>Joint <FONT STYLE="white-space:nowrap">Book-Runners</FONT> </I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="18%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="30%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="23%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="26%"></TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="4"></TD>
<TD HEIGHT="4" COLSPAN="2"></TD>
<TD HEIGHT="4" COLSPAN="2"></TD>
<TD HEIGHT="4" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>B.&nbsp;Riley&nbsp;Securities</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>National&nbsp;Securities&nbsp;Corporation</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>Ladenburg&nbsp;Thalmann</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B>William&nbsp;Blair&nbsp;&amp;&nbsp;Company</B></TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:9.5pt; font-family:Times New Roman" ALIGN="center"><B><I><FONT STYLE="white-space:nowrap">Co-Managers</FONT> </I></B></P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="21%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="31%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="16%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="29%"></TD></TR>


<TR STYLE="font-size:1pt">
<TD HEIGHT="4"></TD>
<TD HEIGHT="4" COLSPAN="2"></TD>
<TD HEIGHT="4" COLSPAN="2"></TD>
<TD HEIGHT="4" COLSPAN="2"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"><B>Aegis&nbsp;Capital&nbsp;Corp.</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="center"><B>Boenning&nbsp;&amp;&nbsp;Scattergood</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B>Incapital</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="top" ALIGN="right"><B>Northland&nbsp;Capital&nbsp;Markets</B></TD></TR>
</TABLE> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>The date of this prospectus supplement is April&nbsp;6, 2021. </B></P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Generally, we may not redeem the Series B Preferred Stock underlying the depositary shares until
April&nbsp;15, 2022, and except as described below upon the occurrence of a Delisting Event or Change of Control (each as defined herein), as applicable. On and after April&nbsp;15, 2022, the first anniversary of April&nbsp;15, 2021, to but
excluding the second anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $26,000.00 per share ($26.00 per depositary share), plus any accrued and unpaid dividends.
On and after April&nbsp;15, 2023, the second anniversary of April&nbsp;15, 2021, to but excluding the third anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to
$25,750.00 per share ($25.75 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2024, the third anniversary of April&nbsp;15, 2021, to but excluding the fourth anniversary, the shares of Series B Preferred
Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,500.00 per share ($25.50 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2025, the fourth anniversary
of&nbsp;April 15, 2021, to but excluding the fifth&nbsp;anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,250.00 per share ($25.25 per depositary share),
plus any accrued and unpaid dividends. On and after April&nbsp;15, 2026, the fifth anniversary of April&nbsp;15, 2021, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to
$25,000.00 per share ($25.00 per depositary share), plus any accrued and unpaid dividends. In addition, upon the occurrence of a Delisting Event or a Change of Control (each as defined herein), we may, subject to certain conditions, at our option,
redeem the Series B Preferred Stock underlying the depositary shares, in whole or in part within 90 days after the first date on which such Delisting Event occurred or within 120 days after the first date on which such Change of Control occurred, as
applicable, by paying $25,000.00 per share ($25.00 per depositary share), plus any accumulated and unpaid dividends up to, but not including, the redemption date. If we exercise any of our redemption rights relating to the Series B Preferred Stock
underlying the depositary shares, the holders of depositary shares representing the Series B Preferred Stock will not have the conversion right described below. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Upon the occurrence of a Delisting Event or a Change of Control, as applicable, each holder of a depositary share of the underlying Series B Preferred Stock
will have the right (unless, prior to the Delisting Event Conversion Date or Change of Control Conversion Date (each as defined herein), we have provided or provide notice of our election to redeem the Series B Preferred Stock) to direct the
depositary, on such holder&#146;s behalf, to convert some or all of the shares of Series B Preferred Stock underlying the depositary shares held by such holder on the Delisting Event Conversion Date or Change of Control Conversion Date, as
applicable, into a number of shares of our common stock per depositary share equal to the lesser of: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the quotient obtained by dividing (i)&nbsp;the sum of the $25.00 liquidation preference plus the amount of any
accumulated and unpaid dividends thereon to, but not including, the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable (unless the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable,
is after a record date for a Series B Preferred Stock dividend payment and prior to the corresponding Series B Preferred Stock dividend payment date, in which case no additional amount for such accumulated and unpaid dividend will be included in
this sum) by (ii)&nbsp;the Common Stock Price (as defined herein); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">1.25313 (i.e., the &#147;Share Cap&#148;), subject to certain adjustments; </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">subject, in each case, to the conditions described in this prospectus supplement, including, under specified circumstances, an aggregate cap on the total
number of shares of common stock issuable upon conversion and to provisions for the receipt of alternative consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Series B Preferred Stock
underlying the depositary shares has no maturity date and will remain outstanding indefinitely unless redeemed by us or converted into shares of common stock in connection with a Delisting Event or Change of Control by the holders of the depositary
shares representing the Series B Preferred Stock. Investors in the depositary shares generally will have no voting rights, but will have limited voting rights if we fail to pay dividends for six or more quarters (whether or not declared or
consecutive) and in certain other events. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have applied to list the depositary shares on the Nasdaq Global Market (&#147;Nasdaq&#148;) under the symbol
&#147;XOMAO.&#148; If the application is approved, we expect trading on Nasdaq will commence within 30 days after the initial delivery of the depositary shares to the underwriters. </P>
</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="toc"></A>TABLE OF CONTENTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>Prospectus Supplement </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD VALIGN="bottom" COLSPAN="2" ALIGN="center"><B>Page</B></TD>
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<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_1">About This Prospectus Supplement</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-1</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_2">Forward-Looking Statements</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-3</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_3">Prospectus Supplement Summary</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-4</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_4">Risk Factors</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-13</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_5">Use of Proceeds</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-19</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_6">Capitalization</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-20</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_7">Description of Series B Preferred Stock and the Depositary
Shares</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-22</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_8">Book-Entry, Delivery and Form</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-34</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_9">Material U.S. Federal Income Tax Considerations</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-35</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_10">Underwriting</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-41</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_11">Legal Matters</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-44</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_12">Experts</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-44</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_13">Where You Can Find More Information</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-44</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#supptoc171227_14">Incorporation of Certain Information by Reference</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><FONT STYLE="white-space:nowrap">S-45</FONT></TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1pt">
<TD HEIGHT="8"></TD>
<TD HEIGHT="8" COLSPAN="4"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Prospectus</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_1">About This Prospectus</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">ii</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_2">Prospectus Summary</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_3">Risk Factors</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_4">Special Note Regarding Forward-Looking Statements</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_5">Use of Proceeds</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_6">Description of Capital Stock</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">10</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_7">Description of Depositary Shares</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">18</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_8">Description of Debt Securities</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">21</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_9">Description of Warrants</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_10">Legal Ownership of Securities</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">32</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_11">Plan of Distribution</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">36</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_12">Legal Matters</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_13">Experts</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_14">Where You Can Find More Information</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_15">Incorporation of Certain Information by Reference</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">39</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE>
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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_1"></A>ABOUT THIS PROSPECTUS SUPPLEMENT </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This document is part of the registration statement that we filed with the Securities and Exchange Commission (the &#147;SEC&#148;) using a &#147;shelf&#148;
registration process and consists of two parts. The first part is this prospectus supplement, including the documents incorporated by reference herein, which describes the specific terms of this offering. The second part, the accompanying base
prospectus, including the documents incorporated by reference therein, gives more general information, some of which may not apply to this offering. Generally, when we refer only to the &#147;prospectus,&#148; we are referring to both parts
combined. This prospectus supplement may add to, update or change information in the accompanying base prospectus and the documents incorporated by reference into this prospectus supplement or the accompanying base prospectus. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If information in this prospectus supplement is inconsistent with the accompanying base prospectus or with any document incorporated by reference therein that
was filed with the SEC before the date of this prospectus supplement, you should rely on this prospectus supplement. This prospectus supplement, the accompanying base prospectus and the documents incorporated by reference herein and therein include
important information about us, the securities being offered and other information you should know before investing in our securities. You should read the entire prospectus supplement and the accompanying base prospectus carefully, including the
&#147;Risk Factors&#148; contained in this prospectus supplement, the accompanying base prospectus and the documents incorporated by reference herein and therein and the financial statements incorporated by reference in this prospectus supplement
and the accompanying base prospectus, before making an investment decision. You should also read and consider information in the documents we have referred you to in the section of this prospectus supplement and the accompanying base prospectus
entitled &#147;Where You Can Find More Information&#148; and &#147;Incorporation of Certain Information by Reference&#148; as well as any free writing prospectus provided in connection with this offering. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">You should rely only on this prospectus supplement, the accompanying base prospectus, and any free writing prospectus provided in connection with this
offering and the information incorporated or deemed to be incorporated by reference in this prospectus supplement and the accompanying base prospectus. We have not, and the underwriters have not, authorized anyone to provide you with information
that is in addition to or different from that contained or incorporated by reference in this prospectus supplement, the accompanying base prospectus, and any free writing prospectus provided in connection with this offering. If anyone provides you
with different or inconsistent information, you should not rely on it. We and the underwriters take no responsibility for, and can provide no assurance as to the reliability of, any other information that others may give you. You should not assume
that the information contained or incorporated by reference in this prospectus supplement, the accompanying base prospectus, or any free writing prospectus provided in connection with this offering is accurate as of any date other than as of the
date of this prospectus supplement, the accompanying base prospectus, or such free writing prospectus, as the case may be, or in the case of the documents incorporated by reference, the date of such documents, regardless of the time of delivery of
this prospectus supplement and the accompanying base prospectus or any sale of our securities. Our business, financial condition, liquidity, results of operations and prospects may have changed since those dates. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We are offering to sell, and seeking offers to buy, our securities only in jurisdictions where offers and sales are permitted. The distribution of this
prospectus supplement and the offering of the securities in certain jurisdictions may be restricted by law. Persons outside the United States who come into possession of this prospectus supplement must inform themselves about, and observe any
restrictions relating to, the offering of the securities and the distribution of this prospectus supplement outside the United States. This prospectus supplement does not constitute, and may not be used in connection with, an offer to sell, or a
solicitation of an offer to buy, any securities offered by this prospectus supplement by any person in any jurisdiction in which it is unlawful for such person to make such an offer or solicitation. </P>
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 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-1 </P>

</DIV></Center>


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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<div style ="BORDER-BOTTOM:1.00pt solid #000000;BORDER-LEFT:1.00pt solid #000000;BORDER-RIGHT:1.00pt solid #000000;BORDER-TOP:1.00pt solid #000000;MARGIN-LEFT:0px; MARGIN-RIGHT:0px;max-width:100%"><div style="width:97%; margin-top:1.5%; margin-left:1.5%; margin-right:-1.25%">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Any industry and market data and other statistical information contained in this prospectus supplement, the
accompanying base prospectus and the documents we incorporate by reference herein or therein are based on management&#146;s estimates, independent publications, government publications, reports by market research firms or other published independent
sources, and, in each case, are believed by management to be reasonable estimates. Although we believe these sources are reliable, we have not independently verified the information. None of the independent industry publications used in this
prospectus supplement, the accompanying base prospectus or the documents we incorporate by reference herein or therein, if any, were prepared on our or our affiliates&#146; behalf and none of the sources cited by us consented to the inclusion of any
data from its reports, nor have we sought their consent. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless the context indicates otherwise or as otherwise expressly stated, references in this
prospectus supplement to the &#147;Company,&#148; &#147;XOMA,&#148; &#147;we,&#148; &#147;us,&#148; &#147;our&#148; and similar terms refer to XOMA Corporation and its subsidiaries and references in this prospectus supplement to &#147;common
stock,&#148; &#147;our common stock,&#148; &#147;shares of common stock&#148; and similar terms refer to shares of common stock of XOMA Corporation. </P>
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 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-2 </P>

</DIV></Center>


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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<div style ="BORDER-BOTTOM:1.00pt solid #000000;BORDER-LEFT:1.00pt solid #000000;BORDER-RIGHT:1.00pt solid #000000;BORDER-TOP:1.00pt solid #000000;MARGIN-LEFT:0px; MARGIN-RIGHT:0px;max-width:100%"><div style="width:97%; margin-top:1.5%; margin-left:1.5%; margin-right:-1.25%">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_2"></A>FORWARD-LOOKING STATEMENTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This prospectus supplement, the accompanying base prospectus and the documents incorporated by reference herein and therein may contain &#147;forward-looking
statements&#148; within the meaning of the Private Securities Litigation Reform Act of 1995 concerning our business, operations, financial performance, and condition, as well as our plans, objectives, and expectations for our business operations and
financial performance and condition. Any statements contained herein that are not of historical facts may be deemed to be forward-looking statements. You can identify these statements by words such as &#147;aim,&#148; &#147;anticipate,&#148;
&#147;assume,&#148; &#147;believe,&#148; &#147;could,&#148; &#147;due,&#148; &#147;estimate,&#148; &#147;expect,&#148; &#147;goal,&#148; &#147;intend,&#148; &#147;may,&#148; &#147;objective,&#148; &#147;plan,&#148; &#147;predict,&#148;
&#147;potential,&#148; &#147;positioned,&#148; &#147;should,&#148; &#147;target,&#148; &#147;will,&#148; &#147;would&#148; and other similar expressions that are predictions of or indicate future events and future trends. Examples of these
statements include, but are not limited to, any statements regarding: the sufficiency of our cash resources, our future operating expenses, our future losses, the extent to which our issued and pending patents may protect our products and
technology, the potential of our existing product candidates to lead to the development of commercial products, our ability to receive potential milestone or royalty payments&nbsp;under license, collaboration and royalty purchase agreements and the
timing of receipt of those payments, the timing and adequacy of cost-cutting measures, and our ability to defend against claims that have been or may be made in litigation or arbitration proceedings. These statements are based on assumptions that
may not prove accurate. Actual results could differ materially from those anticipated due to certain risks inherent in the biotechnology industry and for our licensees engaged in the development of new products in a regulated market. Among other
things, these risks include: our product candidates subject <FONT STYLE="white-space:nowrap">to&nbsp;out-license&nbsp;agreements</FONT> are still being developed, and our licensees may require substantial funds to continue development which may not
be available; we may not realize the expected benefits of our cost-saving initiatives; we may not be successful in entering into <FONT STYLE="white-space:nowrap">out-license</FONT> agreements for our product candidates; if our therapeutic product
candidates do not receive regulatory approval, our third-party licensees will not be able to manufacture and market them; products or technologies of other companies may render some or all of our product candidates noncompetitive or obsolete; we do
not know whether there will be, or will continue to be, a viable market for the products in which we have an ownership or royalty interest; even once approved, a product may be subject to additional testing or significant marketing restrictions, its
approval may be withdrawn or it may be voluntarily taken off the market; we and our licensees are subject to various state and federal healthcare related laws and regulations that may impact the commercialization of our product candidates and could
subject us to significant fines and penalties; and certain of our technologies <FONT STYLE="white-space:nowrap">are&nbsp;in-licensed&nbsp;from</FONT> third parties, so our capabilities using them are restricted and subject to additional risks. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">These forward-looking statements are based on current expectations, estimates, forecasts, projections about our business and the industry in which we operate,
and our management&#146;s beliefs and assumptions. They are not guarantees of future performance or development and involve known and unknown risks, uncertainties, and other factors that are in some cases beyond our control. As a result, any or all
of our forward-looking statements in this prospectus supplement, the accompanying base prospectus and the documents incorporated by reference herein and therein may turn out to be inaccurate or could cause our actual results to differ materially
from historical results or from any results expressed or implied by such forward-looking statements. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">You are urged to consider these factors carefully in
evaluating the forward-looking statements and are cautioned not to place undue reliance on the forward-looking statements. These forward-looking statements speak only as of the date hereof. Unless required by law, we do not intend to publicly update
or revise any forward-looking statements to reflect new information or future events or otherwise. You should, however, review the factors and risks we describe in the reports we will file from time to time with the SEC after the date of this
prospectus supplement. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_3"></A>PROSPECTUS SUPPLEMENT SUMMARY </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>This summary highlights the information contained elsewhere in or incorporated by reference into this prospectus supplement and the accompanying
prospectus. This summary does not contain all of the information that you should consider before deciding whether to invest in our depositary shares. You should carefully read this entire prospectus supplement, including the information under the
heading &#147;Risk Factors,&#148; and the documents incorporated by reference into this prospectus supplement and the accompanying prospectus, which are described under the headings &#147;Where You Can Find More Information&#148; and
&#147;Incorporation of Certain Information by Reference.&#148; </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">You should rely only on the information contained in this prospectus supplement and
the accompanying prospectus. We have not authorized anyone to provide you with information different from the information contained in this prospectus supplement or the accompanying prospectus. The information contained in this prospectus supplement
is accurate only as of the date of this prospectus supplement, regardless of when this prospectus supplement is delivered or when any sale of our securities occurs. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>The Company </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have a long history of
discovering and developing innovative therapeutics derived from our unique platform of antibody technologies. Over our extensive history, we built a pipeline of drug product development candidates we discovered and advanced prior to licensing them
to licensees who assumed the responsibilities of subsequent development, regulatory approval and commercialization (i.e., &#147;Fully-funded programs&#148;). Fully-funded programs are those for which our partners pay the development and
commercialization costs. As licensees advance these programs, we are eligible for potential development, regulatory and commercial milestone and royalty payments. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In March 2017, we transformed our business model to become a royalty aggregator where we focus on expanding our portfolio of Fully-funded programs <FONT
STYLE="white-space:nowrap">by&nbsp;out-licensing&nbsp;our</FONT> internally developed product candidates and acquiring potential milestone and royalty revenue streams on additional drug development product candidates. As part of our royalty
aggregator business model, we intend to continue to expand our pipeline of Fully-funded programs by acquiring potential milestone and royalty revenue streams on additional drug development product candidates from third parties. We combined our
royalty aggregator model with a significantly reduced corporate cost structure in order to further build value for our shareholders. Our long-term prospects depend upon the ability of our partners to successfully commercialize new drug products.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Financial Update </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">While we have not finalized our
full financial results for the three months ended March&nbsp;31, 2021, we expect to report that we had cash and restricted cash of approximately $70&nbsp;million as of March&nbsp;31, 2021. This amount is preliminary and is subject to change upon
completion of our quarterly closing procedures and any adjustments that may result from the completion of the review of our financial statements. As a result, this preliminary estimate may differ from the actual results that will be reflected in our
financial statements when they are completed and publicly disclosed. Additional information and disclosures would be required for a more complete understanding of our financial position and results of operations as of and for the three months ended
March&nbsp;31, 2021. This preliminary estimate may change and the change may be material. Our expectation with respect to our cash and restricted cash as of March&nbsp;31, 2021 is based upon management estimates and is the responsibility of
management. Our independent registered public accounting firm has not audited, reviewed or performed any procedures with respect to this preliminary result and, accordingly, does not express an opinion or any other form of assurance about it. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Additional Company Information </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We were incorporated in Delaware in 1981 and became a Bermuda-exempted company in December 1998. Effective December&nbsp;31, 2011, we changed our jurisdiction
of incorporation from Bermuda to Delaware and changed our name from XOMA Ltd. to XOMA Corporation. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our principal executive offices are located at 2200
Powell Street, Suite 310, Emeryville, California 94608, and we maintain a registered office located at Corporation Trust Center, 1209 Orange Street, Wilmington, Delaware 19801. Our telephone number at our principal executive offices is <FONT
STYLE="white-space:nowrap">(510)&nbsp;204-7200.&nbsp;Our</FONT> website address is www.xoma.com. The information found on our website is not part of this or any other report filed with or furnished to the Securities and Exchange Commission
(&#147;SEC&#148;). </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>THE OFFERING </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Issuer </P></TD>
<TD>XOMA Corporation </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Securities offered </P></TD>
<TD>1,400,000 depositary shares, each representing a 1/1000<SUP STYLE="font-size:85%; vertical-align:top">th</SUP> fractional interest in a share of 8.375% Series B Cumulative Perpetual Preferred Stock, plus up to 200,000 additional depositary
shares if the underwriters exercise their option. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">We reserve the right to <FONT STYLE="white-space:nowrap">re-open</FONT> this series of preferred stock and issue additional shares of Series B Preferred Stock either through public or private sales at any time and from
time to time, without notice to or consent of holders of the Series B Preferred Stock. The additional shares would form a single series together with all previously issued shares of Series B Preferred Stock. In the event we issue additional shares
of Series B Preferred Stock, we will cause a corresponding number of additional depositary shares to be issued. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Ranking </P></TD>
<TD>The Series B Preferred Stock underlying the depositary shares will rank, as to dividend rights and rights upon our liquidation, dissolution or winding up: </TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="38%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Senior to all classes or series of our common stock and to all other equity securities issued by us expressly
designated as ranking junior to the Series B Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="38%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Senior with respect to the payment of dividends and on parity with respect to the distribution of assets upon
our liquidation, dissolution or winding up with our Series X Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="38%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">On parity with our 8.625% Series A Cumulative Perpetual Preferred Stock (&#147;Series A Preferred Stock&#148;),
and with any future class or series of our equity securities expressly designated as ranking on parity with the Series B Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="38%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">4)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Junior to all equity securities issued by us with terms specifically providing that those equity securities
rank senior to the Series B Preferred Stock with respect to the payment of dividends and the distribution of assets upon our liquidation, dissolution or winding up, none of which exists on the date hereof; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="38%">&nbsp;</TD>
<TD WIDTH="4%" VALIGN="top" ALIGN="left">5)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Effectively junior to all our existing and future indebtedness (including indebtedness convertible into our
common stock or preferred stock) and to the indebtedness and other liabilities of (as well as any preferred equity interests held by others in) our existing or future subsidiaries. </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Dividends </P></TD>
<TD>We will pay cumulative cash dividends on the Series B Preferred Stock, when and as declared by our Board of Directors, at the rate of 8.375% of the $25,000.00 liquidation preference ($25.00 per depositary share) per year (equivalent to $2,093.75
per year or $2.09375 per depositary share). </TD></TR></TABLE>
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<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">Dividends will be payable quarterly in arrears, on or about the 15th&nbsp;day of January, April, July and October, beginning on or about July&nbsp;15, 2021; provided that if any dividend payment date is not a business
day, then the dividend which would otherwise have been payable on that dividend payment date may be paid on the next succeeding business day, and no interest, additional dividends or other sums will accumulate. Dividends will accumulate and be
cumulative from, and including, the date of original issuance, which is expected to be April 9, 2021. The first dividend, which is scheduled to be paid on or about July 15, 2021 in the amount of $0.55833 per depositary share, will be for more than a
full quarter and will cover the period from, and including, the first date we issue and sell the depositary shares through, but not including, July 15, 2021. Dividends on the Series B Preferred Stock underlying the depositary shares will continue to
accumulate whether or not (i)&nbsp;any of our agreements prohibit the current payment of dividends, (ii)&nbsp;we have earnings or funds legally available to pay the dividends, or (iii)&nbsp;our Board of Directors does not declare the payment of the
dividends. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Liquidation preference </P></TD>
<TD>The liquidation preference of each share of Series B Preferred Stock is $25,000.00 ($25.00 per depositary share). Upon liquidation, Series&nbsp;B preferred shareholders will be entitled to receive the liquidation preference with respect to their
shares of Series B Preferred Stock plus an amount equal to accumulated but unpaid dividends with respect to such shares. We may only issue equity securities ranking senior to the Series B Preferred Stock with respect to the payment of dividends or
the distribution of assets upon our liquidation, dissolution and winding up if we obtain the affirmative vote of the holders of at least <FONT STYLE="white-space:nowrap">two-thirds</FONT> of the then outstanding shares of Series B Preferred Stock
and each other class or series of preferred stock ranking on parity with the Series B Preferred Stock with respect to the payment of dividends and the distribution of assets upon our liquidation, dissolution or winding up upon which like voting
rights have been conferred, including our Series A Preferred Stock, voting together as a single class. The rights of holders of shares of the Series B Preferred Stock to receive their liquidation preference will be subject to the proportionate
rights of any other class or series of our capital stock ranking on parity with the Series B Preferred Stock as to liquidation, dissolution or winding up and junior to the rights of any class or series of our equity securities expressly designated
as ranking senior to the Series B Preferred Stock. See &#147;Description of Series B Preferred Stock and the Depositary Shares&#151;Liquidation Preference&#148; on page <FONT STYLE="white-space:nowrap">S-24</FONT> of this prospectus supplement.
</TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Optional redemption </P></TD>
<TD> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">On and after April&nbsp;15, 2022, the first anniversary of April&nbsp;15, 2021, to but excluding the second anniversary, the shares of Series B
Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $26,000.00 per share ($26.00 per depositary share), plus any accrued and unpaid dividends. On and
</P></TD></TR></TABLE>
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<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; margin-left:0%; font-size:10pt; font-family:Times New Roman">
after April&nbsp;15, 2023, the second anniversary of April&nbsp;15, 2021, to but excluding the third anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole
or in part, at a redemption price equal to $25,750.00 per share ($25.75 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2024, the third anniversary of April&nbsp;15, 2021, to but excluding the
fourth&nbsp;anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,500.00 per share ($25.50 per depositary share), plus any accrued and unpaid dividends. On and
after April&nbsp;15, 2025, the fourth&nbsp;anniversary of April&nbsp;15, 2021, to but excluding the fifth anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to
$25,250.00&nbsp;per share ($25.25 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2026, the fifth&nbsp;anniversary of April&nbsp;15, 2021, the shares of Series B Preferred Stock will be redeemable at our
option, in whole or in part, at a redemption price equal to $25,000.00 per share ($25.00 per depositary share), plus any accrued and unpaid dividends. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; margin-left:38%; font-size:10pt; font-family:Times New Roman">On or after the date fixed for redemption of shares of Series&nbsp;B Preferred Stock, each holder of depositary shares to be redeemed must
present and surrender the depositary receipts evidencing the depositary shares to the depositary at the place designated in the notice of redemption. The redemption price of such depositary shares will then be paid to or on the order of the person
whose name appears on such depositary receipts as the owner thereof. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Special optional redemption </P></TD>
<TD>Upon the occurrence of a Delisting Event (as defined below), we may, at our option, redeem the Series B Preferred Stock, in whole or in part, within 90 days after the first date on which such Delisting Event occurred, for cash, at a redemption
price of $25,000.00 per share (equivalent to $25.00 per depositary share), plus any accrued and unpaid dividends up to, but not including, the date of redemption, and the depositary will redeem a proportional number of depositary shares representing
the shares redeemed. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">A &#147;Delisting Event&#148; occurs when, after the original issuance of Series&nbsp;B Preferred Stock, both (i)&nbsp;the shares of Series B Preferred Stock (or the depositary shares)are no longer listed on Nasdaq, the
New York Stock Exchange (the &#147;NYSE&#148;) or the NYSE American LLC (&#147;NYSE AMER&#148;), or listed or quoted on an exchange or quotation system that is a successor to Nasdaq, the NYSE or the NYSE AMER, and (ii)&nbsp;we are not subject to the
reporting requirements of the Securities Exchange Act of 1934, as amended (the &#147;Exchange Act&#148;), but any Series B Preferred Stock is still outstanding. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Upon the occurrence of a Change of Control (as defined below), we may, at our option, redeem the Series B Preferred Stock
underlying </P></TD></TR></TABLE>
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<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; margin-left:0%; font-size:10pt; font-family:Times New Roman">
the depositary shares, in whole or in part within 120 days after the first date on which such Change of Control occurred, for cash, at a redemption price of $25,000.00 per share (equivalent to
$25.00 per depositary share), plus any accrued and unpaid dividends up to, but not including, the date of redemption, and the depositary will redeem a proportional number of depositary shares representing the shares redeemed. </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">A &#147;Change of Control&#148; occurs when, after the original issuance of the Series B Preferred Stock, the following have occurred and are continuing: </TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="40%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="right">&#149;</TD>
<TD WIDTH="2%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the acquisition by any person, including any syndicate or group deemed to be a &#147;person&#148; under
Section&nbsp;13(d)(3) of the Exchange Act, of beneficial ownership, directly or indirectly, through a purchase, merger or other acquisition transaction or series of purchases, mergers or other acquisition transactions of shares of our company
entitling that person to exercise more than 50% of the total voting power of all shares of our company entitled to vote generally in elections of directors (except that such person will be deemed to have beneficial ownership of all securities that
such person has the right to acquire, whether such right is currently exercisable or is exercisable only upon the occurrence of a subsequent condition); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="40%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="right">&#149;</TD>
<TD WIDTH="2%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">following the closing of any transaction referred to in the bullet point above, neither we nor any acquiring or
surviving entity (or if, in connection with such transaction shares of our common stock are converted into or exchanged for (in whole or in part) common equity securities of another entity), has a class of common securities (or ADRs representing
such securities) listed on Nasdaq, the NYSE or the NYSE AMER, or listed or quoted on an exchange or quotation system that is a successor to Nasdaq, the NYSE or the NYSE AMER. </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">We refer to redemption following a Delisting Event or Change of Control as a &#147;special optional redemption.&#148; If, prior to the Delisting Event Conversion Date or the Change of Control Conversion Date, as
applicable, we have provided or provide notice of exercise of any of our redemption rights relating to the Series B Preferred Stock (whether our optional redemption right or our special optional redemption right), the holders of depositary shares
representing interests in the Series B Preferred Stock will not have the conversion right described below. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Conversion rights </P></TD>
<TD> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Upon the occurrence of a Delisting Event or a Change of Control, as applicable, each holder of depositary shares representing interests in the Series B
Preferred Stock will have the right (unless, prior to the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, we have provided or provide notice of our election to redeem the Series B Preferred Stock) to direct the
</P></TD></TR></TABLE>
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<Center><DIV STYLE="width:8.5in" align="left">

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<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; margin-left:0%; font-size:10pt; font-family:Times New Roman">
depositary, on such holder&#146;s behalf, to convert some or all of the Series B Preferred Stock underlying the depositary shares held by such holder on the Delisting Event Conversion Date or
Change of Control Conversion Date, as applicable into a number of shares of our common stock (or equivalent value of alternative consideration) per depositary share equal to the lesser of: </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="40%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="right">&#149;</TD>
<TD WIDTH="2%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the quotient obtained by dividing (1)&nbsp;the sum of the $25.00 per depositary share liquidation preference plus
the amount of any accumulated and unpaid dividends up to, but not including, the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable (unless the Delisting Event Conversion Date or Change of Control Conversion Date, as
applicable is after a record date for a Series B Preferred Stock dividend payment and prior to the corresponding Series B Preferred Stock dividend payment date, in which case no additional amount for such accumulated and unpaid dividend will be
included in this sum) by (2)&nbsp;the Common Stock Price (as defined herein); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="40%">&nbsp;</TD>
<TD WIDTH="2%" VALIGN="top" ALIGN="right">&#149;</TD>
<TD WIDTH="2%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">1.25313 (i.e., the Share Cap), subject to certain adjustments; </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">and subject, in each case, to the conditions described in this prospectus supplement, including, under specified circumstances, an aggregate cap on the total number of shares of our common stock issuable upon conversion
and to provisions for the receipt of alternative consideration. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">If, prior to the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, we have provided or provide a redemption notice, whether pursuant to our special optional redemption right or our
optional redemption right, holders of depositary shares representing interests in the Series B Preferred Stock will not have any right to direct the depositary to convert the Series B Preferred Stock, and any Series B Preferred Stock subsequently
selected for redemption that has been tendered for conversion will be redeemed on the related date of redemption instead of converted on the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable. </TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">Because each depositary share represents a 1/1000th interest in a share of the Series B Preferred Stock, the number of shares of common stock ultimately received for each depositary share will be equal to the number of
shares of common stock received upon conversion of each share of Series B Preferred Stock divided by 1000. In the event that the conversion would result in the issuance of fractional shares of common stock, we will pay the holder of depositary
shares cash in lieu of such fractional shares. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">For a definition of &#147;Change of Control Conversion Right&#148;, &#147;Change of Control Conversion Date,&#148;
&#147;Common Stock Price,&#148; &#147;Delisting </P></TD></TR></TABLE>
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<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE="margin-top:0pt; margin-bottom:1pt; margin-left:0%; font-size:10pt; font-family:Times New Roman">
Event Conversion Right,&#148; and &#147;Delisting Event Conversion Date&#148; and for a description of the adjustments and provisions for the receipt of alternative consideration that may be
applicable to the Delisting Event Conversion Right or Change of Control Conversion Right described above, see &#147;Description of Series B Preferred Stock and the Depositary Shares&#151;Conversion Rights.&#148; </P></TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR>
<TD WIDTH="38%">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top">Except as provided above in connection with a Delisting Event or Change of Control, shares of the Series B Preferred Stock are not convertible into or exchangeable for any other securities or property.
</TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Segregated dividend payment account </P></TD>
<TD>We will establish a segregated account that will be funded at closing with proceeds sufficient to <FONT STYLE="white-space:nowrap">pre-fund</FONT> four (4)&nbsp;quarterly dividend payments. The segregated account may only be used to pay
dividends on the Series B Preferred Stock underlying the depositary shares, when legally permitted, and may not be used for other corporate purposes. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">No maturity, sinking fund or mandatory redemption </P></TD>
<TD>The Series B Preferred Stock underlying the depositary shares does not have any stated maturity date and is not subject to mandatory redemption at the option of the holder or any sinking fund. We are not required to set aside funds to redeem the
Series B Preferred Stock. Accordingly, the Series B Preferred Stock and depositary shares will remain outstanding indefinitely unless we decide to redeem them pursuant to our optional redemption or special optional redemption rights, or they are
converted in connection with a Delisting Event or Change of Control. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Limited voting rights </P></TD>
<TD>Holders of the depositary shares representing interests in the Series B Preferred Stock generally will have no voting rights. However, if we do not pay dividends on any outstanding shares of Series B Preferred Stock for six or more quarterly
dividend periods (whether or not declared or consecutive), holders of Series B Preferred Stock (voting separately as a class with all other outstanding series of preferred stock upon which like voting rights have been conferred and are exercisable)
will be entitled to elect two additional directors to our Board of Directors to serve until all unpaid dividends have been fully paid or declared and set apart for payment. In addition, certain material and adverse changes to the terms of the Series
B Preferred Stock cannot be made without the affirmative vote of holders of at least 66 2/3% of the outstanding shares of Series B Preferred Stock, voting as a separate class. See &#147;Description of Series B Preferred Stock and Depositary
Shares&#151;Limited Voting Rights&#148; beginning on page <FONT STYLE="white-space:nowrap">S-32</FONT> of this prospectus supplement. In any matter in which the Series B Preferred Stock may vote, each share of Series B Preferred Stock shall be
entitled to one vote. As a result, each depositary share will be entitled to 1/1000th of a vote. </TD></TR></TABLE>
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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Use of proceeds </P></TD>
<TD>We intend to use the net proceeds from this offering to fund the segregated dividend account and the remaining net proceeds for general corporate purposes, including, but not limited to, funding future acquisitions of milestone and royalty
rights associated with drug development programs with third-party funding. See &#147;Use of Proceeds&#148; on page S-19 of this prospectus supplement. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Risk factors </P></TD>
<TD>An investment in the depositary shares involves risks. You should carefully consider the discussion of risks in &#147;Risk Factors&#148; in this prospectus supplement and the other information included in or incorporated by reference in this
prospectus supplement and the accompanying base prospectus before making an investment decision. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Material federal income tax considerations </P></TD>
<TD>Material federal income tax considerations of purchasing, owning and disposing of the depositary shares representing interests in the Series&nbsp;B Preferred Stock are summarized in &#147;Material U.S. Federal Income Tax Considerations&#148; in
this prospectus supplement. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Listing </P></TD>
<TD>No current market exists for the depositary shares. We have applied to list the depositary shares on Nasdaq under the symbol &#147;XOMAO.&#148; If the application is approved, we expect trading on Nasdaq will commence within 30 days after the
initial delivery of the depositary shares to the underwriters. We cannot assure you that our listing application will be approved within 30 days or at all. </TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR VALIGN="TOP">
<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Form </P></TD>
<TD>The depositary shares will be issued and maintained in book-entry form registered in the name of the nominee of The Depository Trust Company, except under limited circumstances. </TD></TR></TABLE>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="38%"> <P STYLE=" margin-top:0pt; margin-bottom:1pt; margin-left:2%; text-indent:-2%; font-size:10pt; font-family:Times New Roman">Depositary </P></TD>
<TD>American Stock Transfer&nbsp;&amp; Trust Company, LLC </TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Certain of our officers, directors and their affiliates have indicated an
interest in purchasing up to approximately $225,000 of depositary shares at the public offering price. However, because indications of interest are not binding agreements or commitments to purchase, the underwriters may determine to sell more, less
or no shares in this offering to any of these officers, directors or their affiliates, or any of these stockholders, officers, directors or their affiliates may determine to purchase more, less or no shares in this offering. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_4"></A>RISK FACTORS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>An investment in our depositary shares involves a high degree of risk. You should carefully read and consider the risks described below, together with the
other information contained in or incorporated by reference into this prospectus supplement and the accompanying prospectus, including under the heading &#147;Risk Factors&#148; in our Annual Report on
<FONT STYLE="white-space:nowrap">Form&nbsp;10-K&nbsp;for</FONT> the fiscal year ended December&nbsp;31, 2020&nbsp;before making a decision to invest in our depositary shares. The risks described below are not the only risks we face. Additional risks
and uncertainties not currently known to us or that we currently deem to be immaterial may also materially and adversely affect our business operations. If any of the following risks actually occurs, our business, results of operations and financial
condition could suffer. As a result, you could lose some or all of any investment you may have made or may make in our Company. </I></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Risks Related
to this Offering </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>There is no established market for the depositary shares and the market value of the depositary shares could be
substantially affected by various factors. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The depositary shares are a new issue of securities with no established trading market. We have applied
to list the depositary shares on Nasdaq. Our listing application may not be approved by the Nasdaq. Further, even if approved for listing by the Nasdaq, an active trading market on Nasdaq for the depositary shares may not develop or last, in which
case the trading price of the depositary shares could be adversely affected. If an active trading market does develop on Nasdaq, the depositary shares may trade at prices higher or lower than their initial offering price. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The trading price of the depositary shares would also depend on many factors, including: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">prevailing interest rates; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the market for similar securities; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">general economic and financial market conditions; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">our financial condition, results of operations and prospects; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the matters discussed in this prospectus supplement under the captions &#147;Risk Factors&#148; and
&#147;Cautionary Note Regarding Forward-Looking Statements&#148; and in our Annual Report on Form <FONT STYLE="white-space:nowrap">10-K,</FONT> or any updates in our Quarterly Reports on Form <FONT STYLE="white-space:nowrap">10-Q</FONT> and Current
Reports on Form <FONT STYLE="white-space:nowrap">8-K.</FONT> </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have been advised by some of the underwriters that they intend to make
a market in the depositary shares, but they are not obligated to do so and may discontinue market-making at any time without notice. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The shares of
Series B Preferred Stock underlying the depositary shares are subject to our rights of redemption. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">On and after April&nbsp;15, 2022, the first
anniversary of April&nbsp;15, 2021, to but excluding the second anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $26,000.00 per share ($26.00 per depositary
share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2023, the second anniversary of April&nbsp;15, 2021, to but excluding the third anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole
or in part, at a redemption price equal to $25,750.00 per share ($25.75 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2024, the third anniversary of April&nbsp;15, 2021, to but excluding the fourth
anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,500.00 per share ($25.50 per depositary share), plus any accrued and unpaid dividends. On and after
April&nbsp;15, 2025, the fourth anniversary of April&nbsp;15, 2021, to but excluding the fifth anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to
</P>
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$25,250.00 per share ($25.25 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2026, the fifth anniversary of April&nbsp;15, 2021, the shares of Series B
Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,000.00 per share ($25.00 per depositary share), plus any accrued and unpaid dividends. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The Series B Preferred Stock and the depositary shares rank junior to all of our indebtedness and other liabilities and are effectively junior to all
indebtedness and other liabilities of our subsidiaries. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In the event of our bankruptcy, liquidation, dissolution or
<FONT STYLE="white-space:nowrap">winding-up</FONT> of our affairs, our assets will be available to pay obligations on the Series B Preferred Stock only after all of our indebtedness and other liabilities have been paid. The rights of holders of the
Series B Preferred Stock to participate in the distribution of our assets will rank junior to the prior claims of our current and future creditors and any future series or class of preferred stock we may issue that ranks senior to the Series B
Preferred Stock. In addition, the Series B Preferred Stock effectively ranks junior to all existing and future indebtedness and other liabilities of (as well as any preferred equity interests held by others in) our existing subsidiaries and any
future subsidiaries. Our existing subsidiaries are and any future subsidiaries would be separate legal entities and have no legal obligation to pay any amounts to us in respect of dividends due on the Series B Preferred Stock. If we are forced to
liquidate our assets to pay our creditors, we may not have sufficient assets to pay amounts due on any or all of the Series B Preferred Stock then outstanding. We and our subsidiaries have incurred and may in the future incur substantial amounts of
debt and other obligations that will rank senior to the Series B Preferred Stock. We may incur additional indebtedness and become more highly leveraged in the future, which could harm our financial position and potentially limit our cash available
to pay dividends. As a result, we may not have sufficient funds remaining to satisfy our dividend obligations relating to our Series B Preferred Stock if we incur additional indebtedness. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will establish a segregated account that will be funded at closing with proceeds sufficient to <FONT STYLE="white-space:nowrap">pre-fund</FONT> four
(4)&nbsp;quarterly dividend payments although the payment of such amounts on deposit to holders of the depositary shares is subject to compliance with applicable laws and with the foregoing limitations. Additionally, once the funds in the segregated
account are exhausted, there can be no assurance that we will have sufficient cash flow from operations to continue such dividend payments. In addition, the amounts on deposit are also assets of our consolidated entity and while we have agreed not
to use such amount for any corporate purposes other than payments of dividends on the Series B Preferred Stock underlying the depositary shares, such assets in such account will nonetheless be available to our creditors generally in the event
holders of our indebtedness or other obligations arising in the ordinary course of business seek to pursue remedies under bankruptcy or insolvency laws or otherwise. In addition, our Board of Directors may determine that the use of such amount on
deposit for other corporate purposes is required pursuant to the exercise of their fiduciary duties to our common stockholders. You should be aware that the <FONT STYLE="white-space:nowrap">pre-funded</FONT> dividends may not be available to make
such payments in the amounts and at the times required under the terms of the Series B Preferred Stock underlying the depositary shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Future offerings
of debt or senior equity securities may adversely affect the market price of the depositary shares. If we decide to issue debt or senior equity securities in the future, it is possible that these securities will be governed by an indenture or other
instrument containing covenants restricting our operating flexibility. Additionally, any convertible or exchangeable securities that we issue in the future may have rights, preferences and privileges more favorable than those of the Series B
Preferred Stock and may result in dilution to holders of the depositary shares. We and, indirectly, our stockholders, will bear the cost of issuing and servicing such securities. Because our decision to issue debt or equity securities in any future
offering will depend on market conditions and other factors beyond our control, we cannot predict or estimate the amount, timing or nature of our future offerings. Thus holders of the depositary shares will bear the risk of our future offerings
reducing the market price of the depositary shares and diluting the value of their holdings in us. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>We may issue additional shares of the Series B Preferred Stock and additional series of preferred
stock that rank on a parity with the Series B Preferred Stock as to dividend rights, rights upon liquidation or voting rights. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We are allowed to
issue additional shares of Series B Preferred Stock and additional series of preferred stock that would rank on a parity with the Series B Preferred Stock as to dividend payments and rights upon our liquidation, dissolution or winding up of our
affairs pursuant to our certificate of incorporation and the certificate of designation for the Series B Preferred Stock without any vote of the holders of the Series B Preferred Stock. Our </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">certificate of incorporation authorize us to issue up to 1,000,000 shares of preferred stock in one or more series on terms determined by our Board of
Directors. Prior to this offering, we had 989,003 outstanding shares of preferred stock. However, the use of depositary shares enables us to issue significant amounts of preferred stock, notwithstanding the number of shares authorized by our
certificate of incorporation. The issuance of additional shares of Series B Preferred Stock and additional series of parity preferred stock could have the effect of reducing the amounts available to the holders of Series B Preferred Stock issued in
this offering upon our liquidation or dissolution or the winding up of our affairs. It also may reduce dividend payments on the Series B Preferred Stock issued in this offering if we do not have sufficient funds to pay dividends on all Series B
Preferred Stock outstanding and other classes of stock with equal priority with respect to dividends. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In addition, although holders of the depositary
shares are entitled to limited voting rights, as described in &#147;Description of Series B Preferred Stock and the Depositary Shares&#151;Voting Rights,&#148; with respect to such matters, the holders of the depositary shares will vote separately
as a class along with all other outstanding series of our preferred stock that we may issue upon which like voting rights have been conferred and are exercisable. As a result, the voting rights of holders of the depositary shares may be
significantly diluted, and the holders of such other series of preferred stock that we may issue may be able to control or significantly influence the outcome of any vote. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Future issuances and sales of parity preferred stock, or the perception that such issuances and sales could occur, may cause prevailing market prices for the
depositary shares and our common stock to decline and may adversely affect our ability to raise additional capital in the financial markets at times and prices favorable to us. Such issuances may also reduce or eliminate our ability to pay dividends
on our common stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>As a holder of depositary shares representing interests in the Series B Preferred Stock, you will have extremely limited
voting rights. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Your voting rights as a holder of depositary shares will be limited. Our common stock is the only class of our securities that
carries full voting rights. Voting rights for holders of depositary shares will exist primarily with respect to the ability to elect (together with the holders of other outstanding series of our preferred stock, or additional series of preferred
stock we may issue in the future and upon which similar voting rights have been or are in the future conferred and are exercisable) two additional directors to our Board of Directors in the event that six quarterly dividends (whether or not declared
or consecutive) payable on the Series B Preferred Stock are in arrears, and with respect to voting on amendments to our certificate of incorporation or certificate of designation (in some cases voting together with the holders of other outstanding
series of our preferred stock as a single class) that materially and adversely affect the rights of the holders of depositary shares representing interests in the Series B Preferred Stock (and other series of preferred stock, as applicable) or
create additional classes or series of our stock that are senior to the Series B Preferred Stock, provided that in any event adequate provision of funds sufficient for redemption has not been made. Other than the limited circumstances described in
this prospectus supplement, holders of depositary shares will not have any voting rights. See &#147;Description of Series B Preferred Stock and the Depositary Shares&#151;Limited Voting Rights.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The depositary shares have not been rated. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The
Series B Preferred Stock and the depositary shares has not been rated and may never be rated. It is possible, however, that one or more rating agencies might independently decide to assign a rating to the depositary shares
</P>
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or that we may elect to obtain a rating of the depositary shares in the future. Furthermore, we may elect to issue other securities for which we may seek to obtain a rating. If any ratings are
assigned to the depositary shares in the future or if we issue other securities with a rating, such ratings, if they are lower than market expectations or are subsequently lowered or withdrawn, could adversely affect the market for, or the market
value of, the depositary shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Ratings reflect the views of the issuing rating agency or agencies, and such ratings could at any time be revised
downward, placed on negative outlook or withdrawn entirely at the discretion of the issuing rating agency or agencies. Furthermore, a rating is not a recommendation to purchase, sell or hold any particular security, including the depositary shares.
Ratings do not reflect market prices or the suitability of a security for a particular investor, and any future rating of the depositary shares may not reflect all risks related to us and our business, or the structure or market value of the
depositary shares. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The conversion feature may not adequately compensate you, and the conversion and redemption features of the Series B Preferred
Stock and the depositary shares may make it more difficult for a party to take over our company and may discourage a party from taking over our company. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Upon the occurrence of a Delisting Event or Change of Control, holders of the depositary shares representing interests in the Series B Preferred Stock will
have the right (unless, prior to the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, we have provided or provide notice of our election to redeem the Series B Preferred Stock) to direct the depositary to convert
some or all of the Series B Preferred Stock underlying their depositary shares into our common stock (or equivalent value of alternative consideration), and under these circumstances we will also have a special optional redemption right to redeem
the Series B Preferred Stock. See &#147;Description of Series B Preferred Stock and the Depositary Shares&#151;Conversion Rights&#148; and &#147;&#151;Special Optional Redemption.&#148; Upon such a conversion, the holders will be limited to a
maximum number of shares of our common stock equal to the Share Cap multiplied by the number of shares of Series B Preferred Stock converted. If the Common Stock Price is less than $19.95 (which is approximately 50% of the closing sale price per
share of our common stock on April&nbsp;5, 2021), subject to adjustment, the holders will receive a maximum of 1.25313&nbsp;shares of our common stock per depositary share, which may result in a holder receiving value that is less than the
liquidation preference of the depositary shares. In addition, those features of the Series B Preferred Stock and depositary shares may have the effect of inhibiting a third party from making an acquisition proposal for our company or of delaying,
deferring or preventing a change of control of our company under circumstances that otherwise could provide the holders of our common stock and depositary shares representing interests in the Series B Preferred Stock with the opportunity to realize
a premium over the then-current market price or that stockholders may otherwise believe is in their best interests. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>The market price of the
depositary shares could be substantially affected by various factors. </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The market price of the depositary shares will depend on many factors, which
may change from time to time, including, without limitation: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">prevailing interest rates, increases in which may have an adverse effect on the market price of the depositary
shares; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the annual yield from distributions on the depositary shares as compared to yields on other financial
instruments; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">actual or anticipated variations in our operating results from quarter to quarter; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">actual or anticipated variations in our operating results from the expectations of securities analysts and
investors; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">actual or anticipated variations in our operating results from those of our competitors; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">sales of equity or other securities by us or our stockholders in the future; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-16 </P>

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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">changes in expectations as to our future financial performance, including financial estimates by securities
analysts and investors; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">departures of key executives or directors; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">resignation of our auditors; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">announcements by us or our competitors of significant contracts, acquisitions, strategic partnerships, financing
efforts or capital commitments; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">involvement in litigation or governmental investigations or enforcement activity; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">stock price and volume fluctuations attributable to inconsistent trading volume levels of our shares;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">general economic and stock market conditions; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">regulatory or political developments; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">global pandemics, including the recent <FONT STYLE="white-space:nowrap">COVID-19</FONT> pandemic; and
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">terrorist attacks or natural disasters. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">As a result of these and other factors, investors who purchase the depositary shares in this offering may experience a decrease, which could be substantial
and rapid, in the market price of the depositary shares, including decreases unrelated to our operating performance or prospects. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Furthermore, the
capital markets have in the past experienced and may experience in the future extreme price and volume fluctuations that have affected and continue to affect the market prices of equity securities of many companies. These fluctuations often have
been unrelated or disproportionate to the operating performance of those companies. These broad market and industry fluctuations, as well as general economic, political, and market conditions such as recessions, interest rate changes, or
international currency fluctuations may negatively impact the market price of the depositary shares. If the market price of the depositary shares does not exceed the price at which the holders acquired their shares, such holders may not realize a
full return on their investment. In the past, companies that have experienced volatility in the market price of their stock have been subject to securities class-action litigation. We may in the future be the target of this type of litigation. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>We have broad discretion in the use of the net proceeds of this offering and may not use them effectively. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We intend to use the net proceeds from this offering for general corporate purposes, including, without limitation, funding future acquisitions of potential
milestone and royalty payments. However, our management will have broad discretion in the application of the net proceeds from this offering and could spend the proceeds in ways that do not improve our results of operations or enhance the value of
our common stock. The failure by management to apply these funds effectively could result in financial losses that could have a material adverse effect on our business and cause the price of our common stock and the depositary shares to decline.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>Holders of depositary shares may be unable to use the dividends-received deduction and may not be eligible for the preferential tax rates
applicable to &#147;qualified dividend income.&#148; </I></B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Distributions paid to corporate U.S. holders (as defined below in the &#147;Material U.S.
Federal Income Tax Considerations&#148; section) on the depositary shares may be eligible for the dividends-received deduction, and distributions paid to <FONT STYLE="white-space:nowrap">non-corporate</FONT> U.S. holders on the depositary shares may
be subject to tax at the preferential tax rates applicable to &#147;qualified dividend income,&#148; if we have current or accumulated earnings and profits, as determined for U.S. federal income tax purposes. We may not have sufficient current or
accumulated earnings and profits during future fiscal years for the distributions on the depositary shares to qualify as dividends for U.S. federal income tax purposes. If any distributions on the depositary shares with respect to any fiscal year
fail to be treated as dividends for U.S. federal income tax purposes, corporate U.S. holders would be unable to use the dividends-received deduction and <FONT STYLE="white-space:nowrap">non-corporate</FONT> U.S. holders may not be eligible for the
preferential tax rates </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-17 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
applicable to &#147;qualified dividend income&#148; and generally would be required to reduce their tax basis in the depositary shares by the extent to which the distribution is not treated as a
dividend. See the &#147;Material U.S. Federal Income Tax Consequences&#148; section for additional information. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B><I>You may be subject to tax if we
make or fail to make certain adjustments to the Conversion Rate of the Series&nbsp;B Preferred Stock (and depositary shares) even though you do not receive a corresponding cash dividend on the depositary shares. </I></B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The Conversion Rate (as defined in &#147;Description of Series B Preferred Stock and Depositary Shares&#151;Conversion Rights&#148;) for the Series B Preferred
Stock (and depositary shares) is subject to adjustment in certain circumstances. A failure to adjust (or to adjust adequately) the Conversion Rate after an event that increases your proportionate interest in us could be treated as a deemed taxable
dividend to you. If you are a Non-U.S. Holder (as defined in &#147;Material U.S. Federal Income Tax Considerations&#148;), any deemed dividend may be subject to U.S. federal withholding tax at a 30% rate, or such lower rate as may be specified by an
applicable treaty, which may be set off against subsequent payments on the depositary shares. In April 2016, the Internal Revenue Service issued new proposed income tax regulations in regard to the taxability of changes in conversion rights that
will apply to the Series B Preferred Stock and depositary shares when published in final form and may be applied to us before final publication in certain instances. See &#147;Material U.S. Federal Income Tax Considerations.&#148; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-18 </P>

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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_5"></A>USE OF PROCEEDS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The net proceeds from the sale of the depositary shares in this offering, after deducting the underwriting discount, the structuring fee and other estimated
expenses of this offering payable by us, are estimated to be approximately $32.4&nbsp;million (approximately $37.1&nbsp;million if the underwriters&#146; option to purchase up to 200,000&nbsp;additional shares of depositary shares is exercised in
full). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Approximately $2.9&nbsp;million of the net proceeds will be deposited at closing in a segregated account, representing an amount sufficient to <FONT
STYLE="white-space:nowrap">pre-fund</FONT> four (4)&nbsp;quarterly dividend payments on the Series B Preferred Stock underlying the depositary shares (assuming no exercise of the underwriters&#146; option to purchase additional shares). We intend to
use the net proceeds from this offering to fund the segregated dividend account and the remaining net proceeds for general corporate purposes including, but not limited to, funding future acquisitions of milestone and royalty rights associated with
drug development programs with third-party funding. The precise amount, use and timing of the application of such proceeds will depend upon our funding requirements and the availability and cost of other capital. Pending application of the net
proceeds as described above, we intend to invest the net proceeds of the offering in short-term, high quality investment-grade, interest-bearing securities and/or savings accounts. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-19 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_6"></A>CAPITALIZATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The following table sets forth our cash and capitalization as of December&nbsp;31, 2020: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">on an actual basis; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">on an <FONT STYLE="white-space:nowrap">as-adjusted</FONT> basis to give effect to the sale of 1,400,000
depositary shares by us in this offering (assuming no exercise of the underwriters&#146; option to purchase additional depositary shares) at the public offering price of $25.00 per depositary share, and after deducting the underwriting discount, the
structuring fee and estimated offering expenses payable by us. </P></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="61%"></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="10%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>As of December&nbsp;31, 2020</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>&nbsp;&nbsp;&nbsp;&nbsp;Actual&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>&nbsp;&nbsp;&nbsp;&nbsp;As&nbsp;Adjusted&nbsp;&nbsp;&nbsp;&nbsp;</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="6" ALIGN="center"><B>(Amounts&nbsp;in&nbsp;thousands,&nbsp;except&nbsp;share<BR>count and per share data)</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Cash</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">84,222</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">116,618</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total Debt</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">20,852</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">20,852</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Stockholders&#146; Equity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Common Stock, $0.0075 par value per share, 277,333,332 shares authorized, 11,228,792 shares issued
and outstanding</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">84</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">84</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Preferred Stock, $0.05 par value per share, 1,000,000 shares authorized:</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:5.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series A Preferred Stock, $25.00 liquidation preference per share, 984,000 shares issued and
outstanding</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">49</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">49</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:5.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series B Preferred Stock, $25,000 liquidation preference per share, no shares issued and
outstanding (actual), shares issued and 1,400&nbsp;outstanding (as adjusted)</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:5.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Series X Preferred Stock, 5,003 shares issued and outstanding</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">&#151;&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Additional <FONT STYLE="white-space:nowrap">paid-in</FONT> capital</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,267,377</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,299,773</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:3.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Accumulated deficit</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,181,086</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">(1,181,086</TD>
<TD NOWRAP VALIGN="bottom">)&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom"></TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Total Stockholders&#146; Equity</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">86,424</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">118,820</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Capitalization</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"> 107,276</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">139,672</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The number of shares of our common stock issued and outstanding actual and as adjusted in the table above excludes, as of
December&nbsp;31, 2020: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">1,827,906 shares of our common stock reserved for issuance upon the exercise of outstanding stock options;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">19,426 shares of our common stock issuable upon the exercise of outstanding warrants; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">321,716 shares of our common stock reserved for potential future issuance pursuant to our 2010 Long Term
Incentive and Share Award Plan; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">239,252 shares of our common stock reserved for potential future issuance pursuant to our 2015 Employee Stock
Purchase Plan; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-20 </P>

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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">5,003,000 shares of our common stock issuable upon the conversion of currently outstanding shares of Series X
Preferred Stock; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">up to 1,437,338 shares of our common stock issuable upon the conversion of currently outstanding shares of 8.625%
Series A Preferred Stock upon a delisting event or a change of control. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">You should read this table in conjunction with &#147;Use of
Proceeds&#148; as well as our &#147;Management&#146;s Discussion and Analysis of Financial Condition and Results of Operations&#148; and our consolidated financial statements, including the related notes, incorporated by reference into this
prospectus supplement and the accompanying base prospectus from our Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> for the year ended December&nbsp;31, 2020, and our subsequent Quarterly Reports on Form <FONT
STYLE="white-space:nowrap">10-Q,</FONT> and incorporated by reference herein and therein. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-21 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_7"></A>DESCRIPTION OF SERIES B PREFERRED STOCK AND THE DEPOSITARY
SHARES </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>The following is a summary of the material terms and provisions of the Series B Preferred Stock and the depositary shares. The statements
below describing our Series B Preferred Stock are in all respects subject to and qualified in their entirety by reference to the applicable provisions of our certificate of incorporation, including the certificate of designation establishing the
Series B Preferred Stock, and our bylaws, each of which is available from us as described in the &#147;Where You Can Find More Information&#148; section of this prospectus supplement and is incorporated by reference in this prospectus supplement.
See also &#147;Description of Depositary Shares&#148; in the accompanying prospectus. This description of the particular terms of the Series B Preferred Stock and the depositary shares supplements the description of the general terms and provisions
of our preferred stock set forth in the accompanying prospectus under &#147;Description of Capital Stock&#151;Preferred Stock&#148; and under &#147;Description of Depositary Shares.&#148; For a description of the common stock into which the Series B
Preferred Stock is convertible, see &#147;Description of Capital Stock&#151;Common Stock&#148; in the accompanying prospectus. </I></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>General </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our current authorized capital stock consists of 277,333,332 shares of common stock, par value $0.0075 per share, and 1,000,000 shares of
preferred stock, par value $0.05 per share. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Shares of preferred stock and related depositary shares may be offered and sold from time to
time, in one or more series, as authorized by our Board of Directors. Our Board of Directors is authorized to set for each series of preferred stock and related depositary shares the terms, preferences, conversion or other rights, voting powers,
restrictions, limitations as to distributions, qualifications and terms or conditions of redemption. The Series B Preferred Stock is being issued pursuant to the certificate of designation that sets forth the terms of a series of preferred stock
consisting of up to 1,600 shares, designated 8.375% Series&nbsp;B Cumulative Perpetual Preferred Stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The registrar, transfer agent and
distributions disbursing agent for the Series B Preferred Stock is American Stock Transfer&nbsp;&amp; Trust Company, LLC. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Each depositary
share represents a 1/1000<SUP STYLE="font-size:85%; vertical-align:top">th</SUP> fractional interest in a share of Series B Preferred Stock. The Series B Preferred Stock underlying the depositary shares will be deposited with American Stock
Transfer&nbsp;&amp; Trust Company, LLC, as depositary, under a deposit agreement among us, the depositary and the holders from time to time of the depositary receipts issued by the depositary under the deposit agreement. The depositary shares will
be evidenced by depositary receipts issued pursuant to the deposit agreement. Subject to the terms of the deposit agreement, each record holder of depositary receipts evidencing depositary shares will be entitled, proportionately, to all the rights
and preferences of, and subject to all of the limitations of, the interest in the Series B Preferred Stock underlying the depositary shares (including dividend, voting, redemption and liquidation rights and preferences). See &#147;Description of
Depositary Shares&#148; of the accompanying prospectus. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Ranking </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Series B Preferred Stock represented by the depositary shares will, as to dividend rights and rights upon our liquidation, dissolution or <FONT
STYLE="white-space:nowrap">winding-up,</FONT> rank: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(1)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Senior to all classes or series of our common stock and to all other equity securities issued by us expressly
designated as ranking junior to the Series B Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(2)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Senior with respect to the payment of dividends and on parity with respect to the distribution of assets upon
our liquidation, dissolution or winding up with our Series X Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(3)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">On parity with our Series A Preferred Stock, and with any future class or series of our equity securities
expressly designated as ranking on parity with the Series B Preferred Stock; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-22 </P>

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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(4)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Junior to all equity securities issued by us with terms specifically providing that those equity securities
rank senior to the Series B Preferred Stock with respect to the payment of dividends and the distribution of assets upon our liquidation, dissolution or winding up, none of which exists on the date hereof; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="4%">&nbsp;</TD>
<TD WIDTH="5%" VALIGN="top" ALIGN="left">(5)</TD>
<TD ALIGN="left" VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman; " ALIGN="left">Effectively junior to all our existing and future indebtedness (including indebtedness convertible into our
common stock or preferred stock) and to the indebtedness and other liabilities of (as well as any preferred equity interests held by others in) our existing or future subsidiaries. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Dividends </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Holders of depositary shares
representing interests in the Series B Preferred Stock will be entitled to receive, when and as declared by our Board of Directors, out of funds legally available for the payment of dividends, cumulative cash dividends at the rate of 8.375% of the
$25,000.00 liquidation preference ($25.00 per depositary share) per year (equivalent to $2,093.75 per year or $2.09375 per year per depositary share). Dividends on the Series B Preferred Stock will accumulate and be cumulative from, and including,
the date of original issue by us of the Series B Preferred Stock. Dividends will be payable quarterly in arrears on or about the 15th day of January, April, July and October, beginning on or about July 15, 2021; provided that if any dividend payment
date is not a business day, as defined in the certificate of designation, then the dividend which would otherwise have been payable on that dividend payment date may be paid on the next succeeding business day and no interest, additional dividends
or other sums will accumulate on the amounts so payable for the period from and after that dividend payment date to that next succeeding business day. Whenever we pay dividends on the Series B Preferred Stock held by the depositary, the depositary
will pay dividends on the same date on the depositary shares. We refer to each such date as a Dividend Payment Date. The first dividend on the Series B Preferred Stock is scheduled to be paid on or about July 15, 2021, which will be for more than a
full quarter and will cover the period from the first date we issue and sell depositary shares through, but not including, July 15, 2021. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Any dividend, including any dividend payable on the Series B Preferred Stock for any partial dividend period, will be computed on the basis of
a <FONT STYLE="white-space:nowrap">360-day</FONT> year consisting of twelve <FONT STYLE="white-space:nowrap">30-day</FONT> months. Dividends are payable to holders of record of depositary shares as they appear in the depositary&#146;s records at the
close of business on the applicable record date, which will be the date that our Board of Directors designates for the payment of a dividend that is not more than 30 nor less than 10 days prior to the Dividend Payment Date, which we refer to as a
Dividend Payment Record Date. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A segregated account will be funded at closing with proceeds sufficient to
<FONT STYLE="white-space:nowrap">pre-fund</FONT> four (4)&nbsp;quarterly dividend payments, although such funds may only be used for the payment of such dividends to the extent funds are legally available therefor. The segregated account may only be
used to pay dividends on the Series B Preferred Stock underlying the depositary shares, when legally permitted, and may not be used for other corporate purposes. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our Board of Directors will not authorize, pay or set apart for payment by us any dividend on the Series B Preferred Stock at any time that:
</P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the terms and provisions of any of our agreements, including any agreement relating to our indebtedness,
prohibits such authorization, payment or setting apart for payment; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the terms and provisions of any of our agreements, including any agreement relating to our indebtedness, provides
that such authorization, payment or setting apart for payment thereof would constitute a breach of, or a default under, such agreement; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the law restricts or prohibits the authorization or payment. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-23 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notwithstanding the foregoing, dividends on the Series B Preferred Stock will accumulate
whether or not: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the terms and provisions of any of our agreements relating to our indebtedness prohibit such authorization,
payment or setting apart for payment; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">we have earnings; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">there are funds legally available for the payment of the dividends; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the dividends are authorized. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">No interest, or sums in lieu of interest, will be payable in respect of any dividend payment or payments on the Series B Preferred Stock,
which may be in arrears, and holders of the Series B Preferred Stock will not be entitled to any dividends in excess of the full cumulative dividends described above. Any dividend payment made on the Series B Preferred Stock shall first be credited
against the earliest accumulated but unpaid dividends due with respect to those shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If, for any taxable year, we elect to designate
as &#147;capital gain dividends&#148; (as defined in Section&nbsp;857 of the Internal Revenue Code of 1986, as amended, which we refer to as the Code) a portion, which we refer to as the Capital Gains Amount, of the dividends not in excess of our
earning and profits that are paid or made available for the year to the holders of all classes of shares, or the Total Dividends, then the portion of the Capital Gains Amount that will be allocable to the holders of depositary shares will be the
Capital Gains Amount multiplied by a fraction, the numerator of which will be the total dividends (within the meaning of the Code) paid or made available to the holders of depositary shares for the year and the denominator of which will be the Total
Dividends. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We will not pay or declare and set apart for payment any dividends (other than a dividend paid in common stock or other stock
ranking junior to the Series B Preferred Stock with respect to dividend rights and rights upon our voluntary or involuntary liquidation, dissolution or winding up) or declare or make any distribution of cash or other property on common stock or
other stock that ranks junior to or on parity with the Series B Preferred Stock with respect to dividend rights and rights upon our voluntary or involuntary liquidation, dissolution or winding up or redeem or otherwise acquire common stock or other
stock that ranks junior to or on parity with the Series B Preferred Stock with respect to dividend rights and rights upon our voluntary or involuntary liquidation, dissolution or winding up (except (i)&nbsp;by conversion into or exchange for common
stock or other stock ranking junior to the Series B Preferred Stock with respect to dividend rights and rights upon our voluntary or involuntary liquidation, dissolution or winding up, (ii)&nbsp;for the redemption of shares of our stock pursuant to
the provisions of our charter relating to the restrictions upon ownership and transfer of our stock and (iii)&nbsp;for a purchase or exchange offer made on the same terms to holders of all outstanding shares of Series B Preferred Stock and any other
stock that ranks on parity with the Series B Preferred Stock with respect to dividend rights and rights upon our voluntary or involuntary liquidation, dissolution or winding up), unless we also have either paid or declared and set apart for payment
full cumulative dividends on the Series B Preferred Stock for all past dividend periods. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notwithstanding the foregoing, if we do not
either pay or declare and set apart for payment full cumulative dividends on the Series B Preferred Stock and all stock that ranks on parity with the Series B Preferred Stock with respect to dividends, the amount which we have declared will be
allocated pro rata to the holders of Series B Preferred Stock and to each equally ranked class or series of stock, so that the amount declared for each share of Series B Preferred Stock and for each share of each equally ranked class or series of
stock is proportionate to the accrued and unpaid dividends on those shares. Any dividend payment made on the Series B Preferred Stock will first be credited against the earliest accrued and unpaid dividend. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Liquidation Preference </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event of
any voluntary or involuntary liquidation, dissolution or winding up of our affairs, the holders of shares of Series B Preferred Stock are entitled to be paid out of our assets legally available for distribution to
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-24 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
our shareholders a liquidation preference of $25,000.00 per share (or $25.00 per depositary share), plus an amount equal to any accumulated and unpaid dividends to the date of payment (whether or
not declared), before any distribution or payment may be made to holders of shares of common stock or any other class or series of our equity stock ranking, as to liquidation rights, junior to the Series B Preferred Stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If, upon our voluntary or involuntary liquidation, dissolution or winding up, our available assets are insufficient to pay the full amount of
the liquidating distributions on all outstanding shares of Series B Preferred Stock and the corresponding amounts payable on all shares of each other class or series of capital stock ranking, as to liquidation rights, on a parity with the Series B
Preferred Stock, including our Series A Preferred Stock, then the holders of the Series B Preferred Stock and each such other class or series of capital stock ranking, as to liquidation rights, on a parity with the Series B Preferred Stock will
share ratably in any distribution of assets in proportion to the full liquidating distributions to which they would otherwise be respectively entitled. Holders of Series B Preferred Stock will be entitled to written notice of any liquidation no
fewer than 30 days and no more than 60 days prior to the payment date. After payment of the full amount of the liquidating distributions to which they are entitled, the holders of Series B Preferred Stock and depositary shares will have no right or
claim to any of our remaining assets. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Our consolidation or merger with or into any other entity or the sale, lease, transfer or
conveyance of all or substantially all of our property or business will not be deemed to constitute our liquidation, dissolution or winding up. The Series B Preferred Stock will rank senior to the common stock as to priority for receiving
liquidating distributions and on a parity with any existing and future equity securities which, by their terms, rank on a parity with the Series B Preferred Stock. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Optional Redemption </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Series B
Preferred Stock is not redeemable prior to April&nbsp;15, 2022, except under the circumstances described below. On and after April&nbsp;15, 2022, the first anniversary of April&nbsp;15, 2021, to but excluding the second anniversary, the shares of
Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $26,000.00 per share ($26.00 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2023, the second
anniversary of April&nbsp;15, 2021, to but excluding the third anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,750.00 per share ($25.75 per depositary
share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2024, the third anniversary of April&nbsp;15, 2021, to but excluding the fourth anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole
or in part, at a redemption price equal to $25,500.00 per share ($25.50 per depositary share), plus any accrued and unpaid dividends. On and after April&nbsp;15, 2025, the fourth anniversary of April&nbsp;15, 2021, to but excluding the fifth
anniversary, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,250.00 per share ($25.25 per depositary share), plus any accrued and unpaid dividends. On and after
April&nbsp;15, 2026, the fifth anniversary of April&nbsp;15, 2021, the shares of Series B Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25,000.00 per share ($25.00 per depositary share), plus
any accrued and unpaid dividends. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If fewer than all of the outstanding shares of Series B Preferred Stock are to be redeemed, the shares
to be redeemed will be determined pro rata or by lot. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We shall give the depositary not less than 30 nor more than 60 days prior written
notice of redemption of the deposited Series B Preferred Stock. A similar notice of redemption will be mailed by the depositary not less than 30 nor more than 60 days prior to the date fixed for redemption to each holder of record of depositary
shares that is to be redeemed. The notice will notify the holder of the election to redeem the shares and will state at least the following: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the date fixed for redemption thereof, which we refer to as the Redemption Date; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the redemption price; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-25 </P>

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<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the number of shares of Series B Preferred Stock and depositary shares to be redeemed (and, if fewer than all the
shares are to be redeemed, the number of shares to be redeemed from such holder); </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the place(s) where the depositary receipts evidencing the depositary shares are to be surrendered for payment;
and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">that dividends on the depositary shares will cease to accumulate on the date prior to the Redemption Date.
</P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">On or after the Redemption Date, each holder of depositary shares to be redeemed must present and surrender the
depositary receipts evidencing the depositary shares to the depositary at the place designated in the notice of redemption. The redemption price of the shares will then be paid to or on the order of the person whose name appears on such depositary
receipts as the owner thereof. Each surrendered depositary receipt will be canceled. In the event that fewer than all the depositary receipts are to be redeemed, a new depositary receipt will be issued representing the unredeemed depositary shares.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">From and after the Redemption Date (unless we default in payment of the redemption price): </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">all dividends on the shares designated for redemption in the notice will cease to accumulate;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">all rights of the holders of the shares, except the right to receive the redemption price thereof (including all
accumulated and unpaid dividends up to the date prior to the Redemption Date), will cease and terminate; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the shares will not thereafter be transferred (except with our consent) on the depositary&#146;s books; and
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the shares will not be deemed to be outstanding for any purpose whatsoever. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Unless full cumulative dividends on all shares of Series B Preferred Stock shall have been or contemporaneously are declared and paid or
declared and a sum sufficient for the payment thereof has been or contemporaneously is set apart for payment for all past dividend periods, no shares of Series B Preferred Stock shall be redeemed unless all outstanding shares of Series B Preferred
Stock are simultaneously redeemed and we shall not purchase or otherwise acquire directly or indirectly any shares of Series B Preferred Stock (except by exchanging it for our capital stock ranking junior to the Series B Preferred Stock as to
dividends and upon liquidation); provided, however, that the foregoing shall not prevent the purchase or acquisition by us of shares of Series B Preferred Stock pursuant to a purchase or exchange offer made on the same terms to holders of all
outstanding depositary shares representing interests in the Series B Preferred Stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Special Optional Redemption </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">During any period of time that both (i)&nbsp;the Series B Preferred Stock (or the depositary shares) are no longer listed on Nasdaq, NYSE or
the NYSE AMER, or listed or quoted on an exchange or quotation system that is a successor to the Nasdaq, NYSE or the NYSE AMER, and (ii)&nbsp;we are not subject to the reporting requirements of the Exchange Act, but any Series B Preferred Stock is
still outstanding (which we refer to collectively as a &#147;Delisting Event&#148;), we may, at our option, redeem the Series B Preferred Stock, in whole or in part and within 90 days after the date of the Delisting Event, by paying $25,000.00 per
share (equivalent to $25.00 per depositary share), plus any accumulated and unpaid dividends to, but not including, the date of redemption. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, upon the occurrence of a Change of Control (defined below), we may, at our option, redeem the Series B Preferred Stock, in whole
or in part and within 120 days after the first date on which such Change of Control occurred, by paying $25,000.00 per share (equivalent to $25.00 per depositary share), plus any accumulated and unpaid dividends to, but not including, the date of
redemption (other than any dividend with a record date before the applicable redemption date and a payment date after the applicable redemption date, which will be paid on the payment date notwithstanding prior redemption of such shares). </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-26 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If, prior to the Delisting Event Conversion Date or Change of Control Conversion Date (each
as defined below), as applicable, we have provided or provide notice of redemption with respect to the Series B Preferred Stock (whether pursuant to our optional redemption right described above or our special optional redemption), the holders of
depositary shares representing interests in the Series B Preferred Stock will not be permitted to exercise the conversion right described below under &#147; &#151;Conversion Rights&#148; in respect of their shares called for redemption. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The depositary will mail to you, if you are a record holder of the depositary shares representing interests in the Series B Preferred Stock, a
notice of redemption, furnished by us, no fewer than 30 days nor more than 60 days before the redemption date. The depositary will send the notice to your address shown on the records of the depositary. No failure to give the notice or any defect in
the notice or in the mailing of the notice will affect the validity of the proceedings for the redemption of any depositary shares or shares of our Series B Preferred Stock except as to a holder to whom notice was defective or not given. Each notice
will state the following: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the redemption date; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the redemption price; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the number of depositary shares representing interests in the Series B Preferred Stock to be redeemed;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the place(s) where the depositary receipts (or Series B Preferred Stock certificates, if no longer held in
depositary form) are to be surrendered for payment; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">that the Series B Preferred Stock is being redeemed pursuant to our special optional redemption right in
connection with the occurrence of a Delisting Event or Change of Control, as applicable, and a brief description of the transaction or transactions or circumstances constituting such Delisting Event or Change of Control, as applicable;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">that the holders of depositary shares representing interests in the Series B Preferred Stock to which the notice
relates will not be able to convert such shares of Series B Preferred Stock in connection with the Delisting Event or Change of Control, as applicable, and each share of Series B Preferred Stock tendered for conversion that is selected, prior to the
Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, for redemption will be redeemed on the related date of redemption instead of converted on the Delisting Event Conversion Date or Change of Control Conversion Date,
as applicable; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">that dividends on the Series B Preferred Stock to be redeemed will cease to accumulate on the date prior to the
redemption date. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A &#147;Change of Control&#148; is when, after the original issuance of the Series B Preferred Stock,
the following have occurred and are continuing: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the acquisition by any person, including any syndicate or group deemed to be a &#147;person&#148; under
Section&nbsp;13(d)(3) of the Exchange Act of beneficial ownership, directly or indirectly, through a purchase, merger or other acquisition transaction or series of purchases, mergers or other acquisition transactions of shares of our company
entitling that person to exercise more than 50% of the total voting power of all shares of our company entitled to vote generally in elections of directors (except that such person will be deemed to have beneficial ownership of all securities that
such person has the right to acquire, whether such right is currently exercisable or is exercisable only upon the occurrence of a subsequent condition); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">following the closing of any transaction referred to in the bullet point above, neither we nor any acquiring or
surviving entity (or if, in connection with such transaction shares of our common stock are converted into or exchanged for (in whole or in part) common equity securities of another entity, such other entity) has a class of common securities (or
ADRs representing such securities) listed on the Nasdaq, NYSE or the NYSE AMER, or listed or quoted on an exchange or quotation system that is a successor to the Nasdaq, NYSE or the NYSE AMER. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-27 </P>

</DIV></Center>


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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If we redeem fewer than all of the outstanding shares of Series B Preferred Stock, the
notice of redemption mailed to each record holder of depositary shares will also specify the number of shares of Series B Preferred Stock that we will redeem from such record holder. In this case, we will determine the number of shares of
Series&nbsp;B Preferred Stock to be redeemed on a pro rata basis or by lot. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If we have given a notice of redemption and have irrevocably
set aside sufficient funds for the redemption for the benefit of the holders of the depositary shares representing interests in the Series B Preferred Stock called for redemption, then from and after the redemption date, those depositary shares will
be treated as no longer being outstanding, no further dividends will accumulate on the underlying Series B Preferred Stock and all other rights of the holders of those depositary shares will terminate. If any redemption date is not a business day,
then the redemption price and accumulated and unpaid dividends, if any, payable upon redemption may be paid on the next business day and no interest, additional dividends or other sums will accumulate on the amount payable for the period from and
after that redemption date to that next business day. The holders of those depositary shares will retain their right to receive the redemption price for their underlying shares of Series B Preferred Stock (including any accumulated and unpaid
dividends to but excluding the redemption date). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The holders of depositary shares representing interests in the Series B Preferred Stock
at the close of business on a dividend record date will be entitled to receive the dividend payable with respect to the Series B Preferred Stock on the corresponding payment date notwithstanding the redemption of the Series B Preferred Stock between
such record date and the corresponding payment date or our default in the payment of the dividend due. Except as provided above, we will make no payment or allowance for unpaid dividends, whether or not in arrears, on Series B Preferred Stock to be
redeemed. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Unless full cumulative dividends on all shares of Series B Preferred Stock shall have been or contemporaneously are declared
and paid or declared and a sum sufficient for the payment thereof has been or contemporaneously is set apart for payment for all past dividend periods, no shares of Series B Preferred Stock shall be redeemed unless all outstanding shares of Series B
Preferred Stock are simultaneously redeemed and we shall not purchase or otherwise acquire directly or indirectly any shares of Series B Preferred Stock (except by exchanging it for our capital stock ranking junior to the Series B Preferred Stock as
to dividends and upon liquidation); provided, however, that the foregoing shall not prevent the purchase or acquisition by us of shares of Series B Preferred Stock pursuant to a purchase or exchange offer made on the same terms to holders of all
outstanding depositary shares representing interests in the Series B Preferred Stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Conversion Rights </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon the occurrence of a Delisting Event or a Change of Control, as applicable, each holder of depositary shares representing interests in the
Series B Preferred Stock will have the right (unless, prior to the Delisting Event Conversion Right or Change of Control Conversion Date, as applicable, we have provided or provide notice of our election to redeem the depositary shares or the Series
B Preferred Stock as described above under &#147;&#151;Optional Redemption&#148; or &#147;&#151;Special Optional Redemption&#148;) to direct the depositary, on such holder&#146;s behalf, to convert some or all of the shares of Series B Preferred
Stock underlying the depositary shares held by such holder (the &#147;Delisting Event Conversion Right&#148; or &#147;Change of Control Conversion Right,&#148; as applicable) on the Delisting Event Conversion Date or Change of Control Conversion
Date, as applicable, into a number of shares of our common stock (or equivalent value of alternative consideration) per depositary share, or the &#147;Common Stock Conversion Consideration,&#148; equal to the lesser of: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the quotient obtained by dividing (1)&nbsp;the sum of the $25.00 per depositary share liquidation preference plus
the amount of any accumulated and unpaid dividends to, but not including, the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable (unless the Delisting Event Conversion Date or Change of Control Conversion Date, as
applicable, is after a record date for a Series B Preferred Stock dividend payment and prior to the corresponding Series B Preferred Stock dividend payment date, in which case no additional amount for such accumulated and then remaining
</P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-28 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="9%">&nbsp;</TD>
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">
unpaid dividend will be included in this sum) by (2)&nbsp;the Common Stock Price (such quotient, the &#147;Conversion Rate&#148;); and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">1.25313 (i.e., the Share Cap), subject to certain adjustments described below. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Share Cap is subject to pro rata adjustments for any share splits (including those effected pursuant to a distribution of shares of our
common stock to existing holders of common stock), subdivisions or combinations (in each case, a &#147;Share Split&#148;) with respect to our common stock as follows: the adjusted Share Cap as the result of a Share Split will be the number of shares
of our common stock that is equivalent to the product obtained by multiplying (1)&nbsp;the Share Cap in effect immediately prior to such Share Split by (2)&nbsp;a fraction, the numerator of which is the number of shares of our common stock
outstanding after giving effect to such Share Split and the denominator of which is the number of shares of our common stock outstanding immediately prior to such Share Split. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the case of a Delisting Event or Change of Control pursuant to, or in connection with, which our common stock will be converted into cash,
securities or other property or assets (including any combination thereof) (the &#147;Alternative Form Consideration&#148;), a holder of depositary shares representing interests in Series B Preferred Stock will receive upon conversion of such Series
B Preferred Stock the kind and amount of Alternative Form Consideration which such holder would have owned or been entitled to receive upon the Delisting Event or Change of Control, as applicable, had such holder held a number of shares of our
common stock equal to the Common Stock Conversion Consideration immediately prior to the effective time of the Delisting Event or Change of Control, as applicable (the &#147;Alternative Conversion Consideration,&#148; and the Common Stock Conversion
Consideration or the Alternative Conversion Consideration, as may be applicable to a Delisting Event or Change of Control, as applicable, is referred to as the &#147;Conversion Consideration&#148;). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If the holders of our common stock have the opportunity to elect the form of consideration to be received in the Delisting Event or Change of
Control, the Conversion Consideration that the holders of the depositary shares representing interests in the Series B Preferred Stock will receive will be the form and proportion of the aggregate consideration elected by the holders of our common
stock who participate in the determination (based on the weighted average of elections) and will be subject to any limitations to which all holders of our common stock are subject, including, without limitation, pro rata reductions applicable to any
portion of the consideration payable in, or in connection with, the Delisting Event or Change of Control, as applicable. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We will not
issue fractional shares of common stock upon the conversion of the Series B Preferred Stock. Because each depositary share represents a 1/1000<SUP STYLE="font-size:85%; vertical-align:top">th</SUP> interest in a share of the Series B Preferred
Stock, the number of shares of common stock ultimately received for each depositary share will be equal to the number of shares of common stock received upon conversion of each share of Series B Preferred Stock divided by 1000. In the event that the
conversion would result in the issuance of fractional shares of common stock, we will pay the holder of depositary shares the cash value of such fractional shares in lieu of such fractional shares. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Within 15 days following the occurrence of a Delisting Event or Change of Control, as applicable, we will provide to holders of the depositary
shares representing interests in the Series B Preferred Stock a notice of occurrence of the Delisting Event or Change of Control, as applicable, that describes the resulting Delisting Event Conversion Right or Change of Control Conversion Right, as
applicable. This notice will state the following: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the events constituting the Delisting Event or Change of Control, as applicable; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the date of the Delisting Event or Change of Control, as applicable; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the last date on which the holders of the depositary shares representing interests in the Series B Preferred
Stock may exercise their Delisting Event Conversion Right or Change of Control Conversion Right, as applicable; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the method and period for calculating the Common Stock Price; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-29 </P>

</DIV></Center>


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<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">that if, prior to the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, we
have provided or provide notice of our election to redeem all or any portion of the depositary shares representing interests in the Series B Preferred Stock, holders will not be able to convert the depositary shares representing interests in the
Series B Preferred Stock and such shares will be redeemed on the related redemption date, even if such shares have already been tendered for conversion pursuant to the Delisting Event Conversion Date or Change of Control Conversion Date, as
applicable; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if applicable, the type and amount of Conversion Consideration entitled to be received per share of Series B
Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the name and address of the paying agent and the conversion agent; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the procedures that the holders of the depositary shares representing interests in the Series B Preferred Stock
must follow to exercise the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the last date on which holders of the depositary shares representing interests in the Series B Preferred Stock
may withdraw shares surrendered for conversion and the procedures that such holders must follow to effect such a withdrawal. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We will issue a press release for publication on the Dow Jones&nbsp;&amp; Company, Inc., Business Wire, PR Newswire or Bloomberg Business News
(or, if these organizations are not in existence at the time of issuance of the press release, such other news or press organization as is reasonably calculated to broadly disseminate the relevant information to the public), or post notice on our
website, in any event prior to the opening of business on the first business day following any date on which we provide the notice described above to the holders of the depositary shares representing interests in the Series B Preferred Stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">To exercise the Delisting Event Conversion Right or Change of Control Conversion Right, as applicable, each holder of depositary shares
representing interests in the Series B Preferred Stock will be required to deliver, on or before the close of business on the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, the depositary receipts or
certificates, if any, evidencing the interests in Series B Preferred Stock to be converted, duly endorsed for transfer, together with a written conversion notice completed, to the depositary. The conversion notice must state: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the &#147;Delisting Event Conversion Date&#148; or &#147;Change of Control Conversion Date&#148;, as applicable,
which will be a business day fixed by our board of directors that is not fewer than 20 days nor more than 35 days after the date on which we provide the notice described above to the holders of the depositary shares representing interests in the
Series B Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the number of depositary shares representing interests in the shares of Series B Preferred Stock to be converted;
and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">that the depositary shares are to be converted pursuant to the applicable provisions of the Series B Preferred
Stock. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The &#147;Common Stock Price&#148; for any Change of Control will be: (1)&nbsp;if the consideration to be
received in the Change of Control by the holders of our common stock is solely cash, the amount of cash consideration per share of common stock; and (2)&nbsp;if the consideration to be received in the Change of Control by holders of our common stock
is other than solely cash (x)&nbsp;the average of the closing prices for our common stock on the principal U.S. securities exchange on which our common stock is then traded (or, if no closing sale price is reported, the average of the closing bid
and ask prices per share or, if more than one in either case, the average of the average closing bid and the average closing ask prices per share) for the ten consecutive trading days immediately preceding, but not including, the date on which such
Change of Control occurred as reported on the principal </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-30 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
U.S. securities exchange on which our common stock is then traded, or (y)&nbsp;the average of the last quoted bid prices for our common stock in the <FONT STYLE="white-space:nowrap"><FONT
STYLE="white-space:nowrap">over-the-counter</FONT></FONT> market as reported by OTC Markets Group Inc. or similar organization for the ten consecutive trading days immediately preceding, but not including, the date on which such Change of Control
occurred, if our common stock is not then listed for trading on a U.S. securities exchange. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The &#147;Common Stock Price&#148; for any
Delisting Event will be the average of the closing price per share of our common stock on the 10 consecutive trading days immediately preceding, but not including, the effective date of the Delisting Event. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Holders of the depositary shares representing interests in the Series B Preferred Stock may withdraw any notice of exercise of a Delisting
Event Conversion Date or Change of Control Conversion Date, as applicable (in whole or in part), by a written notice of withdrawal delivered to the depositary prior to the close of business on the business day prior to the Delisting Event Conversion
Date or Change of Control Conversion Date, as applicable. The notice of withdrawal must state: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the number of withdrawn depositary shares; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if certificated depositary shares have been issued, the receipt or certificate numbers of the withdrawn
depositary shares; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the number of depositary shares, if any, which remain subject to the conversion notice. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Notwithstanding the foregoing, if the Series B Preferred Stock is held in global form, the conversion notice and/or the notice of withdrawal,
as applicable, must comply with applicable procedures of The Depository Trust Company or a similar depositary, and the conversion notice and/or the notice of withdrawal, as applicable, must comply with applicable procedures, if any, of the
applicable depositary. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Shares of Series B Preferred Stock as to which the Delisting Event Conversion Right or Change of Control
Conversion Right, as applicable, has been properly exercised and for which the conversion notice has not been properly withdrawn will be converted into the applicable Conversion Consideration in accordance with the Delisting Event Conversion Right
or Change of Control Conversion Right, as applicable, on the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, unless prior to the Delisting Event Conversion Date or Change of Control Conversion Date, as
applicable, we have provided or provide notice of our election to redeem such shares of Series B Preferred Stock, whether pursuant to our optional redemption right or our special optional redemption right. If we elect to redeem shares of Series B
Preferred Stock that would otherwise be converted into the applicable Conversion Consideration on a Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, such shares of Series B Preferred Stock will not be so converted
and the holders of such shares will be entitled to receive on the applicable redemption date $25,000.00 per share (or $25.00 per depositary share), plus any accumulated and unpaid dividends thereon to, but not including, the redemption date. See
&#147;&#151;Optional Redemption&#148; and &#147;&#151;Special Optional Redemption.&#148; </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We will deliver the applicable Conversion
Consideration no later than the third business day following the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In connection with the exercise of any Delisting Event Conversion Right or Change of Control Conversion Right, as applicable, we will comply
with all applicable federal and state securities laws and stock exchange rules in connection with any conversion of Series B Preferred Stock into our common stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Delisting Event Conversion Right or Change of Control Conversion Right, as applicable, may make it more difficult for a third party to
acquire us or discourage a party from acquiring us. See &#147;Risk Factors&#151;The conversion feature may not adequately compensate you, and the conversion and redemption features of the Series B Preferred Stock and the depositary shares may make
it more difficult for a party to take over our company and may discourage a party from taking over our company.&#148; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-31 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Neither the Series B Preferred Stock nor the depositary shares are convertible into or
exchangeable for any other securities or property, except as provided above. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Limited Voting Rights </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Except as described below, holders of depositary shares will generally have no voting rights. In any matter in which the Series B Preferred
Stock may vote (as expressly provided herein, or as may be required by law), each share of Series B Preferred Stock shall be entitled to one vote. As a result, each depositary share will be entitled to 1/1000<SUP
STYLE="font-size:85%; vertical-align:top">th</SUP> of a vote. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If dividends on the Series B Preferred Stock are in arrears, whether or not
declared, for six or more quarterly periods, whether or not these quarterly periods are consecutive, holders of Series B Preferred Stock and holders of all other classes or series of parity preferred stock with which the holders of Series B
Preferred Stock are entitled to vote together as a single class, including our Series A Preferred Stock, and are exercisable, voting together as a single class, will be entitled to vote, at a special meeting called by the holders of record of at
least 10% of any series of preferred stock as to which dividends are so in arrears or at the next annual meeting of shareholders, for the election of two additional directors to serve on our Board of Directors until all dividend arrearages have been
paid. If and when all accumulated dividends on the Series B Preferred Stock for all past dividend periods shall have been paid in full, holders of shares of Series B Preferred Stock shall be divested of the voting rights set forth above (subject to <FONT
STYLE="white-space:nowrap">re-vesting</FONT> in the event of each and every preferred dividend default) and, unless outstanding shares of parity preferred stock remain entitled to vote in the election of preferred stock directors, the term of office
of such preferred stock directors so elected will terminate and the number of directors will be reduced accordingly. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In addition, so long
as any shares of Series B Preferred Stock remain outstanding, we will not, without the consent or the affirmative vote of the holders of at least <FONT STYLE="white-space:nowrap">two-thirds</FONT> of the outstanding shares of Series B Preferred
Stock and each other class or series of parity preferred stock with which the holders of Series B Preferred Stock are entitled to vote together as a single class on such matter, including our Series A Preferred Stock (voting together as a single
class): </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">authorize, create or issue, or increase the number of authorized or issued number of shares of, any class or
series of stock ranking senior to the Series B Preferred Stock with respect to payment of dividends or the distribution of assets upon our liquidation, dissolution or winding up, or reclassify any of our authorized capital stock into any such
shares, or create, authorize or issue any obligation or security convertible into or evidencing the right to purchase any such shares; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">amend, alter or repeal the provisions of our charter, including the terms of the Series B Preferred Stock,
whether by merger, consolidation, transfer or conveyance of all or substantially all of our assets or otherwise, so as to materially and adversely affect the rights, preferences, privileges or voting powers of the Series B Preferred Stock,
</P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">except that, with respect to the occurrence of any of the events described in the second bullet point immediately above, so long as the
Series B Preferred Stock remains outstanding with the terms of the Series B Preferred Stock materially unchanged, taking into account that, upon the occurrence of an event described in the second bullet point above, we may not be the surviving
entity and the surviving entity may not be a corporation, the occurrence of such event will not be deemed to materially and adversely affect the rights, preferences, privileges or voting powers of the Series B Preferred Stock, and in such case such
holders shall not have any voting rights with respect to the events described in the second bullet point immediately above. Furthermore, if holders of shares of the Series B Preferred Stock receive the greater of the full trading price of the Series
B Preferred Stock on the date of an event described in the second bullet point immediately above or the $25,000 per share of the Series B Preferred Stock liquidation preference plus all accrued and unpaid dividends thereon pursuant to the occurrence
of any of the events described in the second bullet point immediately above, then such holders shall not have any voting rights with respect to the events described in the second bullet point immediately above. If any event
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-32 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
described in the second bullet point above would materially and adversely affect the rights, preferences, privileges or voting powers of the Series B Preferred Stock disproportionately relative
to any other class or series of parity preferred stock, the affirmative vote of the holders of at least <FONT STYLE="white-space:nowrap">two-thirds</FONT> of the outstanding shares of the Series B Preferred Stock, voting as a separate class, will
also be required. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following actions are not deemed to materially and adversely affect the rights, preferences, powers or privileges
of the Series B Preferred Stock: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any increase in the amount of our authorized common stock or preferred stock or the creation or issuance of
equity securities of any class or series ranking, as to dividends or liquidation preference, on a parity with, or junior to, the Series B Preferred Stock; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the amendment, alteration or repeal or change of any provision of our articles of incorporation, including the
certificate of designation establishing the Series B Preferred Stock, as a result of a merger, consolidation, reorganization or other business combination, if the Series B Preferred Stock (or shares into which the Series B Preferred Stock have been
converted in any successor entity to us) remain outstanding with the terms thereof materially unchanged. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>No Maturity, Sinking Fund
or Mandatory Redemption </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Series B Preferred Stock has no maturity date and we are not required to redeem the Series B Preferred
Stock at any time. Accordingly, the Series B Preferred Stock will remain outstanding indefinitely, unless we decide, at our option, to exercise our redemption right or, under circumstances where the holders of the depositary shares representing
interests in the Series B Preferred Stock have a conversion right, such holders convert the Series B Preferred Stock into our common stock. The Series B Preferred Stock is not subject to any sinking fund. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Surrender of Depositary Shares for Shares of Series B Preferred Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Under certain circumstances, holders may be required to surrender depositary receipts to the depositary or us. In the event of such a surrender
of depositary shares, the holder will be entitled to receive the number of whole or fractional shares of Series B Preferred Stock represented by the depositary shares. See &#147;Description of Depositary Shares&#151;Withdrawal of Stock&#148; and
&#147;&#151;Amendment and Termination of the Deposit Agreement&#148; in the accompanying prospectus. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Depositary Share Listing </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">No current market exists for the depositary shares. We have applied to list the depositary shares on the Nasdaq under the symbol &#147;XOMAO.&#148; If this
application is approved, we expect trading in the depositary shares to commence within 30 days of the initial delivery of the depositary shares to the underwriters. The Series B Preferred Stock underlying the depositary shares will not be listed,
and we do not expect any trading market will develop for the Series B Preferred Stock except as represented by the depositary shares. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Transfer Agent
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The transfer agent and registrar for the Series B Preferred Stock is American Stock Transfer&nbsp;&amp; Trust Company, LLC. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-33 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_8"></A>BOOK-ENTRY, DELIVERY AND FORM </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The depositary shares will be issued in fully registered form in the name of Cede&nbsp;&amp; Co., as nominee of The Depository Trust Company
(&#147;DTC&#148;). One or more fully registered global depositary receipts will be issued representing in the aggregate the total number of the depositary shares. Such global depositary receipt will be deposited with or on behalf of DTC and may not
be transferred except as a whole by DTC to a nominee of DTC or by a nominee of DTC to DTC or another nominee of DTC or by DTC or any nominee to a successor of DTC or a nominee of such successor. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">So long as DTC, or its nominee, is the registered owner of a global depositary receipt, DTC or such nominee, as the case may be, will be considered the sole
owner or holder of the depositary shares represented by such global depositary receipts for all purposes under the Deposit Agreement. Except as set forth in the accompanying prospectus, owners of beneficial interests in a global depositary receipt
will not be entitled to have the depositary shares represented by such global receipt registered in their names, will not receive or be entitled to receive physical delivery of such depositary shares in definitive form and will not be considered the
owners or holders thereof. Accordingly, each person owning a beneficial interest in a global note must rely on the procedures of DTC for such global receipt and, if such person is not a participant in DTC (as described below), on the procedures of
the participant through which such person owns its interest, to exercise any rights of a holder. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">As long as the depositary shares are represented by the
global depositary receipts, we will pay dividends, if any, on the Series B Preferred Stock represented by the depositary shares to or as directed by DTC as the registered holder of the global depositary receipts. Payments to DTC will be in
immediately available funds by wire transfer. DTC will credit the relevant accounts of their participants on the applicable date. Neither we nor American Stock Transfer&nbsp;&amp; Trust Company, LLC will be responsible for making any payments to
participants or customers of participants or for maintaining any records relating to the holdings of participants and their customers, and each person owning a beneficial interest will have to rely on the procedures of the depositary and its
participants. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">DTC has advised us that it is a limited-purpose trust company organized under the New York Banking Law, a &#147;banking organization&#148;
within the meaning of the New York Banking Law, a member of the Federal Reserve System, a &#147;clearing corporation&#148; within the meaning of the New York Uniform Commercial Code, and a &#147;clearing agency&#148; registered pursuant to the
provisions of Section&nbsp;17A of the Securities Exchange Act of 1934, as amended. DTC holds securities deposited with it by its participants and facilitates the settlement of transactions among its participants in such securities through electronic
computerized book-entry changes in accounts of the participants, thereby eliminating the need for physical movement of securities certificates. DTC&#146;s participants include securities brokers and dealers, banks, trust companies, clearing
corporations and certain other organizations, some of whom (and/or their representatives) own DTC. Access to DTC&#146;s book-entry system is also available to others, such as banks, brokers, dealers and trust companies that clear through or maintain
a custodial relationship with a participant, either directly or indirectly. According to DTC, the foregoing information with respect to DTC has been provided to the financial community for informational purposes only and is not intended to serve as
a representation, warranty or contract modification of any kind. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Settlement </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Investors in the depositary shares will be required to make their initial payment for the depositary shares in immediately available funds. Secondary market
trading between DTC participants will occur in the ordinary way in accordance with DTC rules and will be settled in immediately available funds. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The
information in this section concerning DTC and DTC&#146;s book-entry system has been obtained from sources that we believe to be reliable (including DTC), but we take no responsibility for the accuracy thereof. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Neither us, the Depositary nor the underwriters will have any responsibility or obligation to participants, or the persons for whom they act as nominees, with
respect to the accuracy of the records of DTC, its nominee or any participant with respect to any ownership interest in the depositary shares or payments to, or the providing of notice to participants or beneficial owners. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-34 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_9"></A>MATERIAL U.S. FEDERAL INCOME TAX CONSIDERATIONS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following summary describes certain material U.S. federal income tax consequences of the acquisition, ownership, and disposition of our
depositary shares acquired in this offering. This discussion is not a complete analysis of all potential U.S. federal income tax consequences relating thereto, and does not address foreign, state, and local consequences that may be relevant to
stockholders in light of their particular circumstances, nor does it address U.S. federal tax consequences (such as gift and estate taxes) other than income taxes. This discussion is limited to stockholders that hold our depositary shares as a
&#147;capital asset&#148; within the meaning of Section&nbsp;1221 of the Code (generally, property held for investment). This discussion does not address all U.S. federal income tax consequences relevant to a stockholder&#146;s particular
circumstances, including the impact of the alternative minimum tax, the special tax accounting rules under Section&nbsp;451(b) of the Code, and the Medicare contribution tax on net investment income. Special rules different from those described
below may apply to certain stockholders that are subject to special treatment under the Internal Revenue Code of 1986, as amended (the &#147;Code&#148;), such as financial institutions, insurance companies,
<FONT STYLE="white-space:nowrap">tax-exempt</FONT> organizations, broker-dealers and traders in securities, U.S. expatriates, &#147;controlled foreign corporations,&#148; &#147;passive foreign investment companies,&#148; corporations that accumulate
earnings to avoid U.S. federal income tax, corporations organized outside of the United States, any state thereof or the District of Columbia that are nonetheless treated as U.S. taxpayers for U.S. federal income tax purposes, persons that hold our
depositary shares as part of a &#147;straddle,&#148; &#147;hedge,&#148; &#147;conversion transaction,&#148; &#147;synthetic security&#148; or integrated investment or other risk reduction strategy, persons who acquire our depositary shares through
the exercise of an option or otherwise as compensation, &#147;qualified foreign pension funds&#148; as defined in Section&nbsp;897(l)(2) of the Code and entities all of the interests of which are held by qualified foreign pension funds, partnerships
and other pass-through entities or arrangements, and investors in such pass-through entities or arrangements. Such stockholders are urged to consult their own tax advisors to determine the U.S. federal, state, local, and other tax consequences that
may be relevant to them. Furthermore, the discussion below is based upon the provisions of the Code, and Treasury Regulations, rulings, and judicial decisions thereunder as of the date hereof, and such authorities may be repealed, revoked, or
modified, perhaps retroactively, so as to result in U.S. federal income tax consequences different from those discussed below. We have not requested a ruling from the U.S. Internal Revenue Service (the &#147;IRS&#148;) with respect to the statements
made and the conclusions reached in the following summary, and there can be no assurance that the IRS will agree with such statements and conclusions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A &#147;U.S. Holder&#148; means a beneficial owner of our depositary shares that is for U.S. federal income tax purposes any of the following:
</P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an individual who is a citizen or resident of the United States; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a corporation or other entity treated as a corporation for U.S. federal income tax purposes created or organized
in or under the laws of the United States, any state thereof, or the District of Columbia; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an estate the income of which is subject to U.S. federal income taxation regardless of its source; or
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a trust if it (1)&nbsp;is subject to the primary supervision of a court within the United States and one or more
U.S. persons have the authority to control all substantial decisions of the trust or (2)&nbsp;has a valid election in effect under applicable U.S. Treasury Regulations to be treated as a U.S. person. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">For the purposes of this discussion, a <FONT STYLE="white-space:nowrap">&#147;Non-U.S.</FONT> Holder&#148; is, for U.S. federal income tax
purposes, a beneficial owner of depositary shares that is neither a U.S. Holder, nor a partnership (or other entity treated as a partnership for U.S. federal income tax purposes regardless of its place of organization or formation). </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In general, and assuming that each obligation in the Deposit Agreement and any related agreement will be performed in accordance with its
terms, for U.S. federal income tax purposes, if you hold depositary shares, it is intended that you will be treated as the owner of the underlying Series B Preferred Stock represented by those depositary shares. Accordingly, the following discussion
addresses the tax consequences of owning shares of 8.375% Series B Preferred Stock as if you owned such shares directly rather than through the ownership interests </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-35 </P>

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represented by the depositary shares which are being sold in this offering. This discussion is for informational purposes only and is not tax advice. Persons considering the purchase of our
depositary shares pursuant to this offering should consult their own tax advisors concerning the U.S. federal income, estate, and other tax consequences of acquiring, owning, and disposing of our depositary shares in light of their particular
situations as well as any consequences arising under the laws of any other taxing jurisdiction, including any state, local, or foreign tax consequences. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Tax Considerations for U.S. Holders </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Distributions</I>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Distributions with respect
to the Series B Preferred Stock will be taxable as dividend income to the extent paid out of our current and accumulated earnings and profits as determined for U.S. federal income tax purposes. To the extent that the amount of a distribution with
respect to the Series B Preferred Stock exceeds our current and accumulated earnings and profits, such distribution will be treated first as <FONT STYLE="white-space:nowrap">a&nbsp;tax-free&nbsp;return</FONT> of capital to the extent of the U.S.
Holder&#146;s adjusted tax basis in such Series B Preferred Stock, and thereafter as capital gain. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Distributions with respect to the
Series B Preferred Stock taxable as dividends for U.S. federal income tax purposes paid to a corporate U.S. Holder will generally qualify for a 50% dividends-received deduction, subject to various limitations. Corporate U.S. Holders should consult
their tax advisors regarding the holding period and other requirements that must be satisfied in order to qualify for the dividends-received deduction in their particular circumstances. Distributions with respect to the Series B Preferred Stock
taxable as dividends for U.S. federal income tax purposes paid to a noncorporate U.S. Holder will generally represent &#147;qualified dividend income.&#148; Qualified dividend income is taxable at preferential rates applicable to long-term capital
gains, provided that certain holding period requirements are met and certain other conditions are satisfied. A U.S. holder should consult its own tax advisors regarding the availability of the reduced tax rate applicable to qualified dividend income
and the dividends-received deduction in light of its particular circumstances. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Extraordinary Dividends </I></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Dividends that exceed certain thresholds in relation to a U.S. Holder&#146;s tax basis in our Series B Preferred Stock could be characterized
as &#147;extraordinary dividends&#148; under the Code. A corporate U.S. Holder that has held our Series B Preferred Stock for two years or less before the dividend announcement date and that receives an extraordinary dividend will generally be
required to reduce its tax basis in the stock (but not below zero) with respect to which such dividend was made by the &#147;nontaxed portion&#148; of such dividend, which equals (i)&nbsp;the amount of such dividend over (ii)&nbsp;the portion of
such dividend includible in gross income, reduced by any dividends received deduction allowable with respect to such dividend. If the amount of the reduction exceeds the U.S. Holder&#146;s tax basis in such stock, the excess is taxable as capital
gain realized on the sale or other disposition of the Series B Preferred Stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Holder&#146;s Conversion Option in connection with a Change of Control
or Delisting Event</I>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event of a U.S. Holder&#146;s conversion of Series B Preferred Stock in connection with a Change of
Control, Delisting Event or otherwise, the tax consequences of such conversion will depend, in part, upon the facts underlying the transaction in which the conversion occurs. A U.S. holder should consult its tax advisor regarding the tax
consequences of the conversion of Series B Preferred Stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Constructive Distributions</I>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The conversion price of our Series B Preferred Stock is subject to adjustment under certain circumstances. Additionally, because the Series B
Preferred Stock may be redeemed at a premium under certain circumstances, the Series B Preferred Stock may be treated as issued with redemption premium. In either such circumstances, U.S. Holders of our Series B Preferred Stock may be deemed to have
received a distribution if the adjustment (or failure to make an adjustment), or if the redemption premium, has the effect of increasing the proportionate </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-36 </P>

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interest of the U.S. holder in our assets or earnings and profits. If such adjustments are made, U.S. holders will be deemed to have received constructive distributions from us even though they
may not receive any cash or property. Any deemed distributions will be taxable as a dividend, return of capital, or capital gain as described in &#147;<I>Distributions</I>&#148; above. However, U.S. Holders should consult with their own tax advisors
as to whether a constructive dividend deemed paid to a <FONT STYLE="white-space:nowrap">non-corporate</FONT> U.S. Holder would be eligible for the preferential rates of U.S. federal income tax applicable in respect of certain dividends received. It
is also unclear whether corporate U.S. Holders would be entitled to claim the dividends received deduction with respect to any such constructive dividends. Because a constructive dividend deemed received by a U.S. Holder would not give rise to any
cash from which any applicable withholding could be satisfied, if backup withholding is paid on behalf of a U.S. Holder (because such U.S. Holder failed to establish an exemption from backup withholding), such backup withholding may be withheld, in
certain circumstances, from payments on the Series B Preferred Stock. Generally, a U.S. holder&#146;s adjusted tax basis in the Series B Preferred Stock will be increased to the extent any such constructive distribution is treated as a dividend.
U.S. Holders should consult their tax advisors on the impact a constructive distribution may have on their holding period in the Series B Preferred Stock. Adjustments to the conversion price made pursuant to a bona fide reasonable adjustment formula
which has the effect of preventing dilution of the interest of the holders of shares of our Series B Preferred Stock generally will not be considered to result in a constructive dividend distribution. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The IRS proposed regulations addressing the amount and timing of deemed distributions. If adopted as proposed, the regulations would generally
provide that: (i)&nbsp;the amount of a constructive distribution is the excess of the fair market value of the right to acquire common stock immediately after the conversion rate adjustment over the fair market value of the right to acquire common
stock (determined immediately after conversion rate adjustment) without the adjustment, and (ii)&nbsp;the constructive distribution occurs at the earlier of the date the adjustment occurs under the terms of the Series B Preferred Stock and the date
of the actual distribution of cash or property that results in the constructive distribution. The final regulations will be effective for deemed distributions occurring on or after the date of adoption, but holders of Series B Preferred Stock and
withholding agents may rely on them prior to that date under certain circumstances. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Sale, Exchange, or Certain Other Taxable Dispositions of the
Series B Preferred Stock</I>. </P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A U.S. Holder will generally recognize capital gain or loss on a sale or exchange or other taxable
disposition (other than certain redemptions described under &#147;<I>Redemptions of the Series B Preferred Stock&#148;)</I>&nbsp;of Series B Preferred Stock equal to the difference, if any, between the amount realized upon the sale or exchange and
such U.S. Holder&#146;s adjusted tax basis in the Series B Preferred Stock sold or exchanged. Such capital gain or loss will be long-term capital gain or loss if the U.S. Holder&#146;s holding period for the Series B Preferred Stock sold or
exchanged is more than one year. Long-term capital gains of noncorporate taxpayers are generally taxed at preferential rates. The deductibility of capital losses is subject to limitations. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Redemptions of the Series B Preferred Stock</I>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Whether a payment made in redemption of the Series B Preferred Stock will be treated as a dividend or as a payment in exchange for the Series B
Preferred Stock can only be determined on the basis of the particular facts as to each U.S. Holder of the Series B Preferred Stock at the time of redemption. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">In general, a U.S. Holder of the Series B Preferred Stock will recognize capital gain or loss measured by the difference between the amount
received by the U.S. Holder for such Series B Preferred Stock upon the redemption and such U.S. Holder&#146;s adjusted tax basis in the Series B Preferred Stock redeemed if such redemption is considered to: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">result in a complete termination of the U.S. Holder&#146;s stock interest in us under Section&nbsp;302(b)(3) of
the Code; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">be substantially disproportionate with respect to the U.S. Holder under Section&nbsp;302(b)(2) of the Code;
</P></TD></TR></TABLE>
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<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">be not essentially equivalent to a dividend with respect to the U.S. Holder under Section&nbsp;302(b)(1) of the
Code; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">be a redemption of stock held by a shareholder who is not a corporation and where such redemption results in a
partial liquidation of us under Section&nbsp;302(b)(4) of the Code. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">In applying these tests, there must be taken into
account not only the Series B Preferred Stock being redeemed, but also such U.S. Holder&#146;s ownership of other classes and series of our capital stock and any options (including stock purchase rights) to acquire any of the foregoing. A U.S.
Holder of the Series B Preferred Stock also must take into account any such securities (including options) that are considered to be owned by such U.S. Holder by reason of the constructive ownership rules set forth in Sections 302(c) and 318 of the
Code. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:13%; font-size:10pt; font-family:Times New Roman">If the redemption does not meet any of the tests described above, then the redemption proceeds received from the Series B
Preferred Stock will be treated as a distribution on our shares and will be taxable as described under the caption &#147;<I>Distributions</I>&#148; above. If a redemption of the Series B Preferred Stock is treated as a distribution that is taxable
as a dividend, U.S. Holders are urged to consult their own tax advisors regarding the allocation of their tax basis in the redeemed and remaining Series B Preferred Stock. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Tax Considerations for <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holders </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Distributions</I>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Distributions, if any, made on our Series B Preferred Stock to a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder to the extent made out
of our current and accumulated earnings and profits (as determined under U.S. federal income tax principles) generally will constitute dividends for U.S. tax purposes and will be subject to withholding tax at a 30% rate or such lower rate as may be
specified by an applicable income tax treaty, subject to the discussions below regarding effectively connected income, backup withholding, and foreign accounts. To obtain a reduced rate of withholding under a treaty, a
<FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder generally will be required to provide us with a properly executed IRS Form <FONT STYLE="white-space:nowrap">W-8BEN</FONT> (in the case of individuals) or IRS Form
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">W-8BEN-E</FONT></FONT> (in the case of entities), or other appropriate form, certifying the <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder&#146;s entitlement to benefits
under that treaty. This certification must be provided to us and/or our paying agent prior to the payment of dividends and must be updated periodically. If a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder is eligible for a reduced rate of
U.S. federal withholding tax under an income tax treaty and such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder does not timely file the required certification, such <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder may be able to
obtain a refund or credit of any excess amounts withheld by timely filing an appropriate claim for a refund with the IRS. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We generally
are not required to withhold tax on dividends paid to a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder that are effectively connected with the <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder&#146;s conduct of a trade or business
within the United States (and, if required by an applicable income tax treaty, are attributable to a permanent establishment or fixed base that such holder maintains in the United States) if a properly executed IRS Form <FONT
STYLE="white-space:nowrap">W-8ECI,</FONT> stating that the dividends are so connected, is furnished to us (or, if stock is held through a financial institution or other agent, to such agent). In general, such effectively connected dividends will be
subject to U.S. federal income tax, on a net income basis at the regular rates applicable to U.S. residents. A corporate <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder receiving effectively connected dividends may also be subject to an
additional &#147;branch profits tax,&#148; which is imposed, under certain circumstances, at a rate of 30% (or such lower rate as may be specified by an applicable treaty) on the corporate <FONT STYLE="white-space:nowrap">Non-U.S.</FONT>
Holder&#146;s effectively connected earnings and profits, subject to certain adjustments. <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holders should consult their tax advisors regarding any applicable income tax treaties that may provide for
different rules. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">To the extent distributions on our Series B Preferred Stock, if any, exceed our current and accumulated earnings and
profits, they will first reduce the <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder&#146;s adjusted basis in our Series B Preferred Stock, but not below zero, and then will be treated as gain to the extent of any excess amount distributed,
and taxed in the same manner as gain realized from a sale or other disposition of Series B Preferred Stock as described below under &#147;<I>Sale, Exchange or Certain Other Taxable Dispositions of the Series B Preferred Stock</I>.<I>&#148;</I> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-38 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Holder&#146;s Conversion Option in connection with a Change of Control or Delisting Event</I>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the event of a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder&#146;s conversion of Series B Preferred Stock in connection with a
Change of Control, Delisting Event or otherwise, the tax consequences of such conversion will depend, in part, upon the facts underlying the transaction in which the conversion occurs. A <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder should
consult its tax advisor regarding the tax consequences of the conversion of Series B Preferred Stock. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Constructive Distributions</I>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As described above under &#147;<I>Tax Considerations for U.S. Holders -Constructive Distributions</I>,&#148; adjustments in the conversion
price (or failures to adjust the conversion price), or possible redemption premium, that result in an increase in the proportionate interest of a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder in our assets or earnings and profits could
result in deemed distributions to the <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> holder that are taxed as described above under &#147;<I>Distributions</I>.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Sale, Exchange, or Certain Other Taxable Dispositions of the Series B Preferred Stock</I>. </P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Subject to the discussions below regarding backup withholding and foreign accounts, a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder
generally will not be subject to U.S. federal income tax with respect to gain realized on a sale or other taxable disposition of our Series B Preferred Stock unless (a)&nbsp;the gain is effectively connected with a trade or business of such holder
in the United States (and, if required by an applicable income tax treaty, is attributable to a permanent establishment or fixed base that such holder maintains in the United States), (b) the <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder
is a nonresident alien individual and is present in the United States for 183 or more days in the taxable year of the disposition and certain other conditions are met, or (c)&nbsp;we are or have been a &#147;United States real property holding
corporation&#148; within the meaning of Code Section&nbsp;897(c)(2) at any time within the shorter of the five-year period preceding such disposition or such holder&#146;s holding period in our Series B Preferred Stock. In general, we would be a
United States real property holding corporation if our interests in U.S. real property comprise (by fair market value) at least half of our worldwide real property interests and our other assets used or held for use in a trade or business. We
believe that we are not, and do not anticipate becoming, a United States real property holding corporation; however, there can be no assurance that we will not become one in the future. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holders described in (a)&nbsp;above will be required to pay tax on the net gain derived from
the sale at regular U.S. federal income tax rates, and corporate <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holders described in (a)&nbsp;above may be subject to the additional branch profits tax on such gain at a 30% rate or such lower rate
as may be specified by an applicable income tax treaty. Gain described in (b)&nbsp;above will be subject to U.S. federal income tax at a flat 30% rate or such lower rate as may be specified by an applicable income tax treaty, which gain may be
offset by certain U.S.-source capital losses (even though a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder is not considered a resident of the United States), provided that the <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder has
timely filed U.S. federal income tax returns with respect to such losses. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">As discussed above under &#147;<I>Tax Considerations for U.S.
Holders&#151;Redemptions of the Series B Preferred Stock,&#148;</I>&nbsp;an amount paid to a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder in connection with a redemption of the Series B Preferred Stock may, under certain circumstances, be
treated as a dividend. In that case, the payment would be subject to the rules for dividends described above under &#147;<I><FONT STYLE="white-space:nowrap">Non-U.S.</FONT></I><I></I><I>&nbsp;Holders&#151;Distributions</I>.&#148; </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Information Reporting Requirements and Backup Withholding </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Generally, we must report information to the IRS with respect to any distributions we pay on our Series B Preferred Stock (even if the payments
are exempt from withholding), including the amount of any such distributions, the name and address of the recipient, and the amount, if any, of tax withheld. A similar report is sent to the holder to whom any such distributions are paid. Pursuant to
tax treaties or certain other agreements, the IRS may make its reports available to tax authorities in the recipient&#146;s country of residence. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Distributions paid by us (or our paying agents) to a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder may also be subject to U.S.
backup withholding. U.S. backup withholding generally will not apply to a <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> Holder who provides a properly </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-39 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
executed IRS Form <FONT STYLE="white-space:nowrap">W-8BEN,</FONT> IRS Form <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">W-8BEN-E,</FONT></FONT> or IRS Form <FONT
STYLE="white-space:nowrap">W-ECI,</FONT> or otherwise establishes an exemption. Notwithstanding the foregoing, backup withholding may apply if the payor has actual knowledge, or reason to know, that the holder is a U.S. person who is not an exempt
recipient. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">U.S. information reporting and backup withholding requirements generally will apply to the proceeds of a disposition of our
Series B Preferred Stock effected by or through a U.S. office of any broker, U.S. or foreign, except that information reporting and such requirements may be avoided if the holder provides a properly executed IRS Form
<FONT STYLE="white-space:nowrap">W-8BEN</FONT> or IRS Form <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">W-8BEN-E</FONT></FONT> or otherwise meets documentary evidence requirements for establishing
<FONT STYLE="white-space:nowrap">non-U.S.</FONT> person status or otherwise establishes an exemption. Generally, U.S. information reporting and backup withholding requirements will not apply to a payment of disposition proceeds to a <FONT
STYLE="white-space:nowrap">Non-U.S.</FONT> Holder where the transaction is effected outside the United States through a <FONT STYLE="white-space:nowrap">non-U.S.</FONT> office of a <FONT STYLE="white-space:nowrap">non-U.S.</FONT> broker. Information
reporting and backup withholding requirements may, however, apply to a payment of disposition proceeds if the broker has actual knowledge, or reason to know, that the holder is, in fact, a U.S. person. For information reporting purposes, certain
brokers with substantial U.S. ownership or operations will generally be treated in a manner similar to U.S. brokers. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Backup withholding
is not an additional tax. Any amounts withheld under the backup withholding rules may be credited against the tax liability of persons subject to backup withholding, provided that the required information is timely furnished to the IRS. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Foreign Accounts </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Sections 1471 through
1474 of the Code (commonly referred to as FATCA) impose a U.S. federal withholding tax of 30% on certain payments to a foreign financial institution (as specifically defined by applicable rules) unless such institution enters into an agreement with
the U.S. government to withhold on certain payments and to collect and provide to the U.S. tax authorities substantial information regarding U.S. account holders of such institution (which includes certain equity holders of such institution, as well
as certain account holders that are foreign entities with U.S. owners). FATCA also generally imposes a federal withholding tax of 30% on certain payments to a <FONT STYLE="white-space:nowrap">non-financial</FONT> foreign entity unless such entity
provides the withholding agent with either a certification that it does not have any substantial direct or indirect U.S. owners or provides information regarding substantial direct and indirect U.S. owners of the entity. An intergovernmental
agreement between the United States and an applicable foreign country may modify those requirements. The withholding tax described above will not apply if the foreign financial institution or <FONT STYLE="white-space:nowrap">non-financial</FONT>
foreign entity otherwise qualifies for an exemption from the rules. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">FATCA withholding currently applies to payments of dividends, if any,
on our Series B Preferred Stock and, subject to the proposed Treasury Regulations described in this paragraph, generally also would apply to payments of gross proceeds from the sale or other disposition of our Series B Preferred Stock. The U.S.
Treasury Department released proposed regulations which, if finalized in their present form, would eliminate the federal withholding tax of 30% applicable to the gross proceeds of a disposition of our Series B Preferred Stock. In its preamble to
such proposed regulations, the U.S. Treasury Department stated that taxpayers may generally rely on the proposed regulations until final regulations are issued. <FONT STYLE="white-space:nowrap">Non-U.S.</FONT> holders are encouraged to consult with
their own tax advisors regarding the possible implications of FATCA on their investment in our Series B Preferred Stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B>EACH
PROSPECTIVE INVESTOR SHOULD CONSULT ITS OWN TAX ADVISOR REGARDING THE TAX CONSEQUENCES OF PURCHASING, HOLDING, AND DISPOSING OF OUR SERIES B PREFERRED STOCK, INCLUDING THE CONSEQUENCES OF ANY RECENT OR PROPOSED CHANGE IN APPLICABLE LAW. </B></P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-40 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_10"></A>UNDERWRITING </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">B. Riley Securities, Inc. is acting as representative of each of the underwriters named below. Subject to the terms and conditions set forth in an
underwriting agreement among us and the underwriters, we have agreed to sell to the underwriters, and each of the underwriters has agreed to purchase from us, the respective number of depositary shares set forth opposite its name below. </P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="76%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="85%"></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom" NOWRAP> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-bottom:1.00pt solid #000000; display:table-cell; font-size:8pt; font-family:Times New Roman; "><B>Name</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Principal<BR>Amount of<BR>Depositary<BR>Shares</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">B. Riley Securities, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">612,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Aegis Capital Corp.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">66,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Boenning&nbsp;&amp; Scattergood, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">35,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Incapital LLC</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">119,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Ladenburg Thalmann&nbsp;&amp; Co. Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">220,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">National Securities Corporation</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">94,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Northland Securities, Inc.</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">17,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">William Blair&nbsp;&amp; Company</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">234,500</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:1.00px solid #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Total</B></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom"><B>&nbsp;</B></TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right"><B>1,400,000</B></TD>
<TD NOWRAP VALIGN="bottom"><B>&nbsp;</B></TD></TR>
<TR STYLE="font-size:1px; ">
<TD VALIGN="bottom"></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD VALIGN="bottom"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; border-top:3.00px double #000000">&nbsp;</P></TD>
<TD>&nbsp;</TD></TR>
</TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The underwriting agreement provides that the obligations of the underwriters to purchase the depositary shares included in
this offering are subject to approval of legal matters by counsel, including the validity of the depositary shares, and other conditions contained in the underwriting agreement. The underwriters are obligated to purchase all the depositary shares if
any of the depositary shares are purchased (other than those covered by the option as described below). If an underwriter defaults, the underwriting agreement provides that the purchase commitments of the nondefaulting underwriters may be increased
or the underwriting agreement may be terminated. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have granted to the underwriters an option, exercisable for 30 days from the date of delivery of the
depositary shares initially purchased, to purchase up to an aggregate of 200,000 additional depositary shares at the public offering price set forth on the cover page hereof, less underwriting discounts and commissions and less an amount per
depositary share equal to any dividends per depositary share payable by us on the depositary shares that are not payable by us on these option shares. To the extent this option is exercised, each underwriter will become obligated, subject to certain
conditions, to purchase approximately the same percentage of such additional depositary shares as the number set forth next to such underwriter&#146;s name in the preceding table bears to the total number of depositary shares set forth next to the
names of all underwriters in the preceding table. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The underwriters propose to offer part of the depositary shares to the public directly at the public
offering price set forth on the cover page of this prospectus supplement and part to dealers at that price less a concession not in excess of $0.75 per share. After the initial offering of depositary shares, the offering price and other selling
terms may from time to time be varied by the underwriters. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The following table shows the per share and total public offering price, underwriting
discounts and commissions that we will pay to the underwriters in connection with this offering and proceeds to us, before expenses and the structuring fee. The amounts are shown assuming both no exercise or full exercise by the underwriters of
their option to purchase up to additional depositary shares.</P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="84%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="55%"></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD>

<TD VALIGN="bottom" WIDTH="5%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Per<BR>Depositary<BR>Share</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>No Exercise</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center" STYLE="border-bottom:1.00pt solid #000000"><B>Full Exercise</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Public offering price</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">25.00</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">35,000,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">40,000,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Underwriting discount and commissions</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1.25</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1,750,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">2,000,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR BGCOLOR="#cceeff" STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman">Proceeds to us, before expenses and the structuring fee</P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">23.75</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">33,250,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">$</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38,000,000</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-41 </P>

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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In addition, we estimate that our share of the total expenses of this offering, excluding underwriting
discounts and commissions, will be approximately $0.4&nbsp;million. We have also agreed to reimburse the underwriters for their reasonable <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">out-of-pocket</FONT></FONT> expenses,
including attorneys&#146; fees, up to $75,000. We have also agreed to pay B.&nbsp;Riley Securities, Inc. a structuring fee of $350,000 for evaluation, analysis and structuring of the Series&nbsp;B Preferred Stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have applied to list the depositary shares on the Nasdaq under the symbol &#147;XOMAO.&#148; If this application is approved, we expect trading in the
depositary shares to commence within 30 days of the initial delivery of the depositary shares to the underwriters. The underwriters have advised us that they intend to make a market in the depositary shares upon the commencement of trading on the
Nasdaq. The underwriters will have no obligation to make a market in the depositary shares, however, and may cease market making activities, if commenced, at any time. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Until the distribution of depositary shares is complete, SEC rules may limit the ability of the underwriters to bid for and purchase depositary shares. As an
exception to these rules, underwriters are permitted to engage in certain transactions which stabilize the price of the depositary shares, which may include short sales, covering transactions and stabilizing transactions. Short sales involve sales
of depositary shares in excess of the number of shares to be purchased by the underwriters in the offering, which creates a short position. &#147;Covered&#148; short sales are sales made in an amount not greater than the underwriters&#146; option to
purchase additional shares from us in the offering. The underwriters may close out any covered short position by either exercising their option to purchase additional depositary shares or purchasing depositary shares in the open market. In
determining the source of depositary shares to close out the covered short position, the underwriters will consider, among other things, the price of depositary shares available for purchase in the open market as compared to the depositary shares
price at which they may purchase through the option. &#147;Naked&#148; short sales are any sales in excess of such option. The underwriters must close out any naked short position by purchasing depositary shares in the open market. A naked short
position is more likely to be created if the underwriters are concerned that there may be downward pressure on the price of the depositary shares in the open market after pricing that could adversely affect investors who purchase in the offering.
Stabilizing transactions consist of various bids for or purchases of the depositary shares made by the underwriters in the open market prior to the completion of the offering. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The underwriters may also impose a penalty bid. This occurs when a particular underwriter repays to the other underwriters a portion of the underwriting
discount received by it because the representatives have repurchased shares sold by or for the account of such underwriter in stabilizing or short covering transactions. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Neither we nor the underwriters make any representation or prediction as to the direction or magnitude of any effect that the transactions described above
might have on the depositary shares. Any of these activities may have the effect of preventing or retarding a decline in the market price of the depositary shares. They may also cause the price of the depositary shares to be higher than the price
that would otherwise exist in the open market in the absence of these transactions. The underwriters may conduct these transactions on the Nasdaq or in the
<FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">over-the-counter</FONT></FONT> market, or otherwise. If the underwriters commence any of these transactions, they may discontinue them at any time without notice. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have agreed that, for a period of 60 days from the date of this prospectus supplement, we will not, without the prior written consent of the
representative, offer, sell, contract to sell, pledge, or otherwise dispose of any debt securities issued or guaranteed by us or shares of any class of our capital stock (other than the depositary shares) ranking senior to the shares of Series B
Preferred Stock with respect to dividend rights, or rights upon liquidation, dissolution or winding up. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We expect that delivery of the depositary shares
will be made to investors on or about April 9, 2021 (such settlement being referred to as &#147;T+2&#148;). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In the ordinary course of their various
business activities, the underwriters and their respective affiliates may make or hold a broad array of investments and actively trade debt and equity securities (or related derivative securities) and financial instruments (which may include bank
loans and/or credit default swaps) for their own </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-42 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
account and for the accounts of their customers and may at any time hold long and short positions in such securities and instruments. Such investments and securities activities may involve
securities and/or instruments of ours or our affiliates. The underwriters and their affiliates may also make investment recommendations and/or publish or express independent research views in respect of such securities or financial instruments and
may hold, or recommend to clients that they acquire, long and/or short positions in such securities and instruments. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have agreed to indemnify the
underwriters against certain liabilities, including liabilities under the Securities Act, or to contribute to payments the underwriters may be required to make because of any of those liabilities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">A prospectus supplement in electronic format may be made available on web sites maintained by one or more underwriters. Other than the prospectus supplement
in electronic format, the information on any underwriter&#146;s web site and any information contained in any other web site maintained by an underwriter is not part of this prospectus supplement or the accompanying prospectus. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-43 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_11"></A>LEGAL MATTERS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The validity of the securities offered by us has been passed upon for us by Cooley LLP, Palo Alto, California, and for the underwriters by Duane Morris LLP,
New York, New York. </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_12"></A>EXPERTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The financial statements incorporated in this Prospectus by reference from the Company&#146;s Annual Report on Form
<FONT STYLE="white-space:nowrap">10-K</FONT> for the year ended December&nbsp;31, 2020, have been audited by Deloitte&nbsp;&amp; Touche LLP, an independent registered public accounting firm, as stated in their report, which is incorporated herein by
reference. Such financial statements have been so incorporated in reliance upon the report of such firm given upon their authority as experts in accounting and auditing. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_13"></A>WHERE YOU CAN FIND MORE INFORMATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We file annual, quarterly and current reports, proxy statements and other information with the SEC. Our SEC filings are available to the public at the
SEC&#146;s website at http://www.sec.gov. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-44 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="supptoc171227_14"></A>INCORPORATION OF CERTAIN INFORMATION BY REFERENCE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This prospectus supplement and the accompanying prospectus is part of a registration statement on
<FONT STYLE="white-space:nowrap">Form&nbsp;S-3.&nbsp;The</FONT> SEC allows this filing to &#147;incorporate by reference&#148; information that we previously have filed with the SEC. This means we can disclose important information to you by
referring you to other documents that we have filed with the SEC. The information that is incorporated by reference is considered part of this prospectus supplement and the accompanying prospectus, and information that we file later will
automatically update and may supersede this information. For further information about our company and the securities being offered, you should refer to the registration statement and the following documents that are incorporated by reference: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">our Annual Report on&nbsp;
<A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/0000791908/000155837021002676/tmb-20201231x10k.htm">Form<U></U><FONT STYLE="white-space:nowrap">&nbsp;10-K</FONT></A>&nbsp;for the fiscal year ended
December&nbsp;31, 2020 filed with the SEC on March&nbsp;10, 2021; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">our Current Reports on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/0000791908/000119312521091806/d113288d8k.htm">Form
 <FONT STYLE="white-space:nowrap">8-K</FONT></A> filed with the SEC on March&nbsp;24, 2021; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the description of our capital stock included under the caption &#147;Description of Capital Stock&#148; in
the&nbsp;<A HREF="http://www.sec.gov/Archives/edgar/data/791908/000095016211000262/prosp424b3.htm">prospectus</A>&nbsp;dated December&nbsp;16, 2011, which was filed on December&nbsp;19, 2011, and is part of our registration statement on&nbsp;
<A HREF="http://www.sec.gov/Archives/edgar/data/791908/000095016211000255/forms4_a.htm"><FONT STYLE="white-space:nowrap">Form&nbsp;S-4/A</FONT></A>&nbsp;filed on December&nbsp;13, 2011
<FONT STYLE="white-space:nowrap">(registration&nbsp;no.&nbsp;333-177165),&nbsp;including</FONT> any amendment or report for the purpose of updating such description; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the description of our series A preferred stock set forth in our registration statement on&nbsp;
<A HREF="http://www.sec.gov/Archives/edgar/data/791908/000119312520316017/d37371d8a12b.htm">Form<U></U><FONT STYLE="white-space:nowrap">&nbsp;8-A</FONT></A>, filed with the SEC on December&nbsp;11, 2020, including any amendment or report filed for
the purpose of updating such description </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In addition, all documents filed by us under Sections 13(a), 14 or 15(d) of the Exchange Act
(excluding, unless otherwise provided in this prospectus supplement or in the applicable document, documents not deemed &#147;filed&#148; with the SEC and information furnished pursuant to Item 2.02 and Item 7.01 on any Current Report <FONT
STYLE="white-space:nowrap">on&nbsp;Form&nbsp;8-K&nbsp;or&nbsp;certain</FONT> exhibits furnished pursuant to Item 9.01 <FONT STYLE="white-space:nowrap">of&nbsp;Form&nbsp;8-K),&nbsp;after&nbsp;the</FONT> date of this prospectus supplement but before
the termination of the rights offering covered by this prospectus supplement, are hereby incorporated by reference herein. We have not authorized anyone to provide you with any different or additional information other than that contained in or
incorporated by reference into this prospectus supplement and the accompanying prospectus. We take no responsibility for, and can provide no assurance as to the reliability of, any information that others may provide. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Any statement contained in a document incorporated or deemed to be incorporated by reference into this prospectus supplement or the accompanying prospectus
will be deemed to be modified or superseded for purposes of this prospectus supplement to the extent that a statement contained in this prospectus supplement or any other subsequently filed document that is deemed to be incorporated by reference
into this prospectus supplement modifies or supersedes the statement. Any statement so modified or superseded will not be deemed, except as so modified or superseded, to constitute a part of this prospectus supplement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The documents incorporated by reference into this prospectus supplement and the accompanying prospectus are available from us upon request. We will provide a
copy of any and all of the documents incorporated by reference (excluding exhibits, unless the exhibits are specifically incorporated), without charge, upon written or oral request. Requests for any of these documents should be directed to: </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">XOMA Corporation </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2200 Powell
Street, Suite 310 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Emeryville, California 94608 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><FONT STYLE="white-space:nowrap">(510)&nbsp;204-7200</FONT> </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Attn: Chief Financial Officer </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">S-45 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>PROSPECTUS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:18pt; font-family:Times New Roman" ALIGN="center"><B>$300,000,000 </B></P> <P STYLE="margin-top:0pt;margin-bottom:0pt" ALIGN="center">


<IMG SRC="g171227g68y89.jpg" ALT="LOGO">
 </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>Common Stock </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>Preferred Stock </B></P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>Depositary Shares </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>Debt
Securities </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>Warrants </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may, from time to time,
offer and sell up to $300,000,000 of any combination of our common stock, preferred stock, depositary shares representing our preferred stock, debt securities or warrants described in this prospectus, either individually or in combination with other
securities, at prices and on terms described in one or more supplements to this prospectus. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This prospectus describes some of the general terms that may
apply to an offering of our securities. The specific terms and any other information relating to a specific offering will be set forth in supplement to this prospectus. We may also authorize one or more free writing prospectuses to be provided to
you in connection with these offerings. You should read this prospectus, the information incorporated by reference in this prospectus and any applicable prospectus supplement or free writing prospectus carefully before you invest. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Securities may be sold by us to or through underwriters or dealers, directly to purchasers or through agents designated from time to time. For additional
information on the methods of sale, you should refer to the section under the heading &#147;Plan of Distribution&#148; in this prospectus and under a similar heading in the applicable prospectus supplement. If any underwriters are involved in the
sale of any securities with respect to which this prospectus is being delivered, the names of such underwriters and any applicable discounts or commissions and over-allotment options will be set forth in a prospectus supplement. The price to the
public of such securities and the net proceeds we expect to receive from such sale will also be set forth in a prospectus supplement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our common stock is
listed on the Nasdaq Global Market under the symbol &#147;XOMA&#148; and our Series A preferred stock is listed on the Nasdaq Global Market under the symbol &#147;XOMAP.&#148; On March&nbsp;3, 2021, the last reported sale price of our common stock
on the Nasdaq Global Market was $36.15 per share. </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman"><B><I>Investing in our
securities involves a high degree of risk. You should review carefully the risks and uncertainties described under the heading &#147;<A HREF="#roma171227_3">Risk Factors</A>&#148; contained in the applicable prospectus supplement and in any free
writing prospectuses we have authorized for use in connection with a specific offering, and under similar headings in the documents that are incorporated by reference into this prospectus. </I></B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>This prospectus may not be used to offer or sell any securities unless accompanied by a prospectus supplement. </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Neither the Securities and Exchange Commission nor any state securities commission has approved or disapproved of these securities or determined if this
prospectus is truthful or complete. Any representation to the contrary is a criminal offense. </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>The date of
this prospectus is March&nbsp;19, 2021 </B></P>
</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>TABLE OF CONTENTS </B></P>
<P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="95%"></TD>

<TD VALIGN="bottom" WIDTH="3%"></TD>
<TD></TD>
<TD></TD>
<TD></TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:8pt">
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD VALIGN="bottom" COLSPAN="2" ALIGN="center"><B>Page</B></TD>
<TD VALIGN="bottom">&nbsp;</TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_1">ABOUT THIS PROSPECTUS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">ii</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_2">PROSPECTUS SUMMARY</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">1</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_3">RISK FACTORS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">7</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_4">SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">8</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_5">USE OF PROCEEDS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">9</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_6">DESCRIPTION OF CAPITAL STOCK</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">10</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_7">DESCRIPTION OF DEPOSITARY SHARES</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">18</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_8">DESCRIPTION OF DEBT SECURITIES</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">21</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_9">DESCRIPTION OF WARRANTS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">30</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_10">LEGAL OWNERSHIP OF SECURITIES</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">32</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_11">PLAN OF DISTRIBUTION</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">36</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_12">LEGAL MATTERS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_13">EXPERTS</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_14">WHERE YOU CAN FIND MORE INFORMATION</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">38</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><A HREF="#roma171227_15">INCORPORATION OF CERTAIN INFORMATION BY REFERENCE</A></P></TD>
<TD VALIGN="bottom">&nbsp;&nbsp;</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD>
<TD NOWRAP VALIGN="bottom" ALIGN="right">39</TD>
<TD NOWRAP VALIGN="bottom">&nbsp;</TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">You should rely only on the information contained in or incorporated by reference into this prospectus or any applicable prospectus supplement or free writing
prospectus. We have not authorized anyone to provide you with different information. We are not making an offer to sell or seeking an offer to buy securities under this prospectus or any applicable prospectus supplement or free writing prospectus in
any jurisdiction where the offer or sale is not permitted. The information contained in this prospectus, any applicable prospectus supplement or free writing prospectus and the documents incorporated by reference herein and therein are accurate only
as of their respective dates, regardless of the time of delivery of this prospectus or any sale of a security. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">i </P>

</DIV></Center>


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<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_1"></A>ABOUT THIS PROSPECTUS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This prospectus is part of a registration statement on Form <FONT STYLE="white-space:nowrap">S-3</FONT> that we filed with the Securities and
Exchange Commission, or SEC, using a &#147;shelf&#148; registration process. Under this shelf registration statement, we may sell from time to time in one or more offerings up to a total dollar amount of $300,000,000 of common stock and preferred
stock, depositary shares representing preferred stock and various series of debt securities and/or warrants to purchase any of such securities, either individually or in combination with other securities as described in this prospectus. Each time we
sell any type or series of securities under this prospectus, we will provide a prospectus supplement that will contain more specific information about the terms of that offering. We may also authorize one or more free writing prospectuses to be
provided to you that may contain material information relating to these offerings. We may also add, update or change in a prospectus supplement or free writing prospectus any of the information contained in this prospectus or in documents we have
incorporated by reference into this prospectus. This prospectus, together with any applicable prospectus supplement or free writing prospectus and the documents incorporated by reference into this prospectus, include all material information
relating to this offering. You should carefully read both this prospectus and any applicable prospectus supplement and any related free writing prospectus together with the additional information described under &#147;Where You Can Find More
Information&#148; before buying securities in this offering. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">You should rely only on the information contained in, or incorporated by
reference into, this prospectus and the applicable prospectus supplement, along with the information contained in any free writing prospectuses we have authorized for use in connection with a specific offering. We have not authorized anyone to
provide you with different or additional information. This prospectus is an offer to sell only the securities offered hereby, but only under circumstances and in jurisdictions where it is lawful to do so. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The information appearing in this prospectus, any applicable prospectus supplement and any related free writing prospectus is accurate only as
of the date on the front of the document and any information we have incorporated by reference is accurate only as of the date of the document incorporated by reference, regardless of the time of delivery of this prospectus, the applicable
prospectus supplement or any related free writing prospectus, or any sale of a security. Our business, financial condition, results of operations and prospects may have changed since those dates. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">This prospectus contains summaries of certain provisions contained in some of the documents described herein, but reference is made to the
actual documents for complete information. All of the summaries are qualified in their entirety by the actual documents. Copies of some of the documents referred to herein have been filed, will be filed or will be incorporated by reference as
exhibits to the registration statement of which this prospectus is a part, and you may obtain copies of those documents as described below under the section entitled &#147;Where You Can Find More Information.&#148; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless otherwise specified or required by context, references in this prospectus to &#147;XOMA,&#148; &#147;the Company,&#148; &#147;we,&#148; &#147;us&#148;
and &#147;our&#148; refer to XOMA Corporation, a Delaware corporation and its consolidated subsidiaries, if any, unless otherwise specified. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">ii </P>

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<div style ="BORDER-BOTTOM:1.00pt solid #000000;BORDER-LEFT:1.00pt solid #000000;BORDER-RIGHT:1.00pt solid #000000;BORDER-TOP:1.00pt solid #000000;MARGIN-LEFT:0px; MARGIN-RIGHT:0px;max-width:100%"><div style="width:97%; margin-top:1.5%; margin-left:1.5%; margin-right:-1.25%">

 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_2"></A>PROSPECTUS SUMMARY </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>This summary highlights selected information contained elsewhere in this prospectus or incorporated by reference herein and does not
contain all the information that may be important to purchasers of our securities. Prospective purchasers of our securities should carefully read the entire prospectus, the applicable prospectus supplement and any related free writing prospectus,
including the risks of investing in our securities discussed under the heading &#147;Risk Factors&#148; contained in the applicable prospectus supplement and any related free writing prospectus, and under similar headings in the other documents that
are incorporated by reference into this prospectus. Prospective purchasers of our securities should also carefully read the information incorporated by reference into this prospectus, including our financial statements, and the exhibits to the
registration statement of which this prospectus is a part. </I></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>This prospectus and the information incorporated herein by reference include
trademarks, service marks and trade names owned by us or other companies. All trademarks, service marks and trade names included or incorporated by reference into this prospectus or any related free writing prospectus are the property of their
respective owners. </I></P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Overview </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We are a biotech
royalty aggregator. We have a sizable portfolio of economic rights to future potential milestone and royalty payments associated with partnered <FONT STYLE="white-space:nowrap">pre-commercial</FONT> therapeutic candidates. Our portfolio was built
through licensing our proprietary products and platforms from our legacy discovery and development business, combined with acquisitions of rights to future milestones and royalties that we have made since our royalty aggregator business model was
implemented in 2017. We expect that most of our future revenue will be based on payments we may receive for milestones and royalties related to these programs. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our strategy is to expand our pipeline by acquiring additional potential milestone and royalty revenue streams on drug product candidates from third parties.
Expanding our pipeline through these acquisitions can allow for further diversification across therapeutic areas and development stages. Our ideal target acquisitions are in <FONT STYLE="white-space:nowrap">pre-commercial</FONT> stages of
development, have an expected long duration of market exclusivity, high revenue potential, and are partnered with a large pharmaceutical or biopharmaceutical enterprise. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Risk Factors Summary </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Below is a summary
of material factors that make an investment in our securities speculative or risky. Importantly, this summary does not address all of the risks and uncertainties that we face. Additional discussion of the risks and uncertainties summarized in this
risk factor summary, as well as other risks and uncertainties that we face, can be found under &#147;Risk Factors&#148; in Part I, Item 1A of this Annual Report on Form <FONT STYLE="white-space:nowrap">10-K.</FONT> The below summary is qualified in
its entirety by that more complete discussion of such risks and uncertainties. You should consider carefully the risks and uncertainties described under &#147;Risk Factors&#148; in Part I, Item 1A of this Annual Report on Form <FONT
STYLE="white-space:nowrap">10-K</FONT> as part of your evaluation of the risks associated with an investment in our securities. </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">The <FONT STYLE="white-space:nowrap">COVID-19</FONT> pandemic has adversely impacted and could materially and
adversely impact in the future our licensees or royalty-agreement counterparties or their licensees, which could cause delays or elimination of our receipts of potential milestones and royalties under our licensing or royalty and milestone
acquisition arrangements. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Our acquisitions of potential future royalty and/or milestone payments may not produce anticipated revenues
and/or may be negatively affected by a default or bankruptcy of the licensor(s) or licensee(s) under the applicable license agreement(s) covering such potential royalties and/or milestones, and if such transactions are secured by collateral, we may
be, or may become, under-secured by the collateral </P></TD></TR></TABLE>
</div><br clear="All"></div><br clear="All">

 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">1 </P>

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or such collateral may lose value and we will not be able to recuperate our capital expenditures associated with the acquisition. </P></TD></TR></TABLE>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Many of our potential royalty acquisitions may be associated with drug products that are in clinical development
and have not yet been commercialized. To the extent that such products are not successfully developed and commercialized, our financial condition and results of operations may be negatively impacted. Acquisitions of potential royalties associated
with development stage biopharmaceutical product candidates are subject to a number of uncertainties. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">We depend on our licensees and royalty-agreement counterparties for the determination of royalty and milestone
payments. While we typically have primary or <FONT STYLE="white-space:nowrap">back-up</FONT> rights to audit our licensees and royalty-agreement counterparties, the independent auditors may have difficulty determining the correct royalty
calculation, we may not be able to detect errors and payment calculations may call for retroactive adjustments. We may have to exercise legal remedies, if available, to resolve any disputes resulting from any such audit. </P></TD></TR></TABLE>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">The lack of liquidity of our acquisitions of future potential milestones and royalties may adversely affect our
business and, if we need to sell any of our acquired assets, we may not be able to do so at a favorable price, if at all. As a result, we may suffer losses. We have sustained losses in the past, and we expect to sustain losses in the foreseeable
future. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Our royalty aggregator strategy may require that we register with the SEC as an &#147;investment company&#148; in
accordance with the Investment Company Act of 1940. If we were to become an &#147;investment company&#148; and be subject to the restrictions of the 1940 Act, those restrictions would likely require significant changes in the way we do business and
add significant administrative burdens to our operations. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Our royalty aggregator strategy may require us to raise additional funds to acquire milestone and royalty
interests; we cannot be certain that funds will be available or available at an acceptable cost of capital, and if they are not available, we may be unsuccessful in acquiring milestone and royalty interests to sustain the business in the future.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">We have significantly restructured our business and revised our business plan and there are no assurances that we
will be able to successfully implement our revised business plan or successfully operate as a royalty aggregator. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Information available to us about the biopharmaceutical products underlying the potential royalties we buy may be
limited and therefore our ability to analyze each product and its potential future cash flow may be similarly limited. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Our future income is dependent upon numerous potential milestone and royalty-specific assumptions and, if these
assumptions prove not to be accurate, we may not achieve our anticipated rates of returns. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Reductions or declines in income from potential milestones and royalties, or significant reductions in potential
milestone or royalty payments compared to expectations, or impairments in the value of potential milestones and royalties acquired could have a material adverse effect our financial condition and results of operations. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">A large percentage of the calculated net present value of our portfolio is represented by a limited number of
products. The failure of any one of these products to move forward in clinical development or commercialization may have a material adverse effect on our financial condition and results of operation. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">We rely heavily on license and collaboration relationships, and any disputes or litigation with our licensees,
collaborators and their partners or termination or breach of any of the related agreements could reduce the financial resources available to us, including our ability to receive milestone payments
</P></TD></TR></TABLE>
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and future potential royalty and other revenues. At any given time, we may be engaged in discussions with our licensees or collaborators regarding the interpretation of the payment and other
provisions relating to products as to which we have milestones and potential royalty or other payment rights. Should any such discussions result in a disagreement regarding a particular product that cannot be resolved satisfactorily to us, we may
end up being paid less than anticipated on such product which could materially adversely affect our financial condition, results of operation and future prospects. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Our potential milestone and royalty providers may rely on third parties to provide services in connection with
their product candidate development and manufacturing programs. The inadequate performance by or loss of any of these service providers could affect our potential milestone and royalty providers&#146; product candidate development.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Certain of our technologies are <FONT STYLE="white-space:nowrap">in-licensed</FONT> from third parties, so our
and our licensees&#146; capabilities using them may be restricted and subject to additional risks. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Because many of the companies with which we do business also are in the biotechnology sector, the volatility of
that sector can affect us indirectly as well as directly. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">We may not be able to successfully identify and acquire potential milestone and royalty streams on other
products, product candidates, or programs, or other companies to grow and diversify our business, and, even if we are able to do so, we may not be able to successfully manage the risks associated with integrating any such products, product
candidates, programs or companies into our business or we may otherwise fail to realize the anticipated benefits of these acquisitions. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">If our potential royalty providers&#146; therapeutic product candidates do not receive regulatory approval, our
potential royalty providers will be unable to market them. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Our potential milestone and royalty providers face uncertain results of clinical trials of product candidates.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Our potential royalty providers may be unable to price their products effectively or obtain coverage and adequate
reimbursement for sales of their products, which would prevent our licensees and potential royalty providers&#146; products from becoming profitable and negatively affect the royalties we may receive. </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">We do not know whether there will be, or will continue to be, a viable market for the product candidates in which
we have an ownership, milestone or royalty interest. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">If we and our potential royalty providers are unable to protect our intellectual property, in particular patent
protection for principal products, product candidates and processes in which we have an ownership or royalty interest, and prevent the use of the covered subject matter by third parties, our potential royalty providers&#146; ability to compete in
the market will be harmed, and we may not realize our profit potential. </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">We have a continuing obligation to pay quarterly dividends to holders of our Series A Preferred Stock, which will
be an <FONT STYLE="white-space:nowrap">on-going</FONT> expenditure for us and may limit our ability to borrow additional funds.</P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Corporate Information </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We were incorporated in Delaware
in 1981 and became a Bermuda-exempted company in December&nbsp;1998. Effective December&nbsp;31, 2011, we changed our jurisdiction of incorporation from Bermuda to Delaware and changed our name from XOMA&nbsp;Ltd. to XOMA Corporation. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our principal executive offices are located at 2200 Powell Street, Suite 310, Emeryville, California 94608. Our telephone number at our principal executive
offices is (510) <FONT STYLE="white-space:nowrap">204-7200.</FONT> Our website address is www.xoma.com. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
Information found on, or accessible through, our website is not a part of, and is not incorporated into, this prospectus, and you should not consider it part of this prospectus or part of any
prospectus supplement. Our website address is included in this document as an inactive textual reference only. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>The Securities We May Offer </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may offer shares of our common stock and preferred stock, depositary shares representing a fractional interest in a share of preferred stock, various series
of debt securities and/or warrants to purchase any of such securities, either individually or in combination with other securities, with a total value of up to $300,000,000 from time to time under this prospectus, together with the applicable
prospectus supplement and any related free writing prospectus, at prices and on terms to be determined at the time of any offering. We may also offer common stock, preferred stock and/or debt securities upon the exercise of warrants. This prospectus
provides you with a general description of the securities we may offer. Each time we offer a type or series of securities under this prospectus, we will provide a prospectus supplement that will describe the specific amounts, prices and other
important terms of the securities, including, to the extent applicable: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">designation or classification; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">aggregate principal amount or aggregate offering price; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">maturity date, if applicable; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">original issue discount, if any; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">rates and times of payment of interest or dividends, if any; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">redemption, conversion, exercise, exchange or sinking fund terms, if any; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">ranking; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">restrictive covenants, if any; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">voting or other rights, if any; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">conversion or exchange prices or rates, if any, and, if applicable, any provisions for changes to or adjustments
in the conversion or exchange prices or rates and in the securities or other property receivable upon conversion or exchange; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a discussion of material United States federal income tax considerations, if any. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The applicable prospectus supplement and any related free writing prospectus that we may authorize to be provided to you may also add, update or change
information contained in this prospectus or in documents we have incorporated by reference. However, no prospectus supplement or free writing prospectus will offer a security that is not registered and described in this prospectus at the time of the
effectiveness of the registration statement of which this prospectus is a part. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>This prospectus may not be used to consummate the sale of securities
unless it is accompanied by a prospectus supplement. </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may sell the securities directly to investors or to or through agents, underwriters or
dealers. We, and our agents, underwriters or dealers reserve the right to accept or reject all or part of any proposed purchase of securities. If we do offer securities to or through agents, underwriters or dealers, we will include in the applicable
prospectus supplement: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the names of those agents, underwriters or dealers; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">applicable fees, discounts and commissions to be paid to them; </P></TD></TR></TABLE>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">details regarding over-allotment options, if any; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the net proceeds to us. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Common Stock. </I>We may issue shares of our common stock from time to time. Common stockholders are entitled to one vote per share for the election of
directors and on all other matters that require common stockholder approval. Holders of our common stock are entitled to share in an equal amount per share in any dividends declared by our board of directors on the common stock and paid out of
legally available assets. Subject to any preferential rights of any outstanding preferred stock, in the event of our liquidation, dissolution or winding up, holders of our common stock are entitled to share ratably in the assets remaining after
payment of liabilities and the liquidation preferences of any outstanding preferred stock. Our common stock does not carry any preemptive rights enabling a holder to subscribe for, or receive shares of, any class of our common stock or any other
securities convertible into shares of any class of our common stock, or any redemption rights. There are no redemption or sinking fund provisions applicable to our common stock. In this prospectus, we have summarized certain general features of the
common stock under &#147;Description of Capital Stock &#150; Common Stock.&#148; We urge you, however, to read the applicable prospectus supplement (and any related free writing prospectus that we may authorize to be provided to you) related to any
common stock being offered. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Preferred Stock; Depositary Shares. </I>We may issue shares of our preferred stock from time to time, in one or more
series. Under our certificate of incorporation, our board of directors has the authority to designate up to 1,000,000 shares of preferred stock in one or more series and to fix the privileges, preferences and rights of each series of preferred
stock, any or all of which may be greater than the rights of the common stock. Currently, of the 1,000,000 shares of preferred stock, 5,003 shares are designated as Series X Preferred Stock and 984,000 shares are designated as 8.625% Series A
Cumulative, Perpetual Preferred Stock. If we sell any new series of preferred stock under this prospectus and any applicable prospectus supplement, our board of directors will determine the designations, voting powers, preferences and rights of the
preferred stock, as well as the qualifications, limitations or restrictions thereof, including dividend rights, conversion rights, preemptive rights, terms of redemption or repurchase, liquidation preferences, sinking fund terms and the number of
shares constituting any series or the designation of any series. Convertible preferred stock will be convertible into our common stock or exchangeable for other securities. Conversion may be mandatory or at your option and would be at prescribed
conversion rates. Our board of directors will also determine whether we will offer depositary shares representing shares of the series and if so, the fraction or multiple of a share of preferred stock represented by each depositary share. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If we sell any series of preferred stock or depositary shares representing preferred stock under this prospectus and any applicable prospectus supplement, we
will fix the designations, voting powers, preferences and rights of such series of preferred stock, as well as the qualifications, limitations or restrictions thereof, in the certificate of designation relating to that series. We will file as an
exhibit to the registration statement of which this prospectus is a part, or will incorporate by reference from reports that we file with the SEC, the form of any certificate of designation that contains the terms of the series of preferred stock
that we are offering before the issuance of the related series of preferred stock. In this prospectus, we have summarized certain general features of the preferred stock under &#147;Description of Capital Stock &#150; Preferred Stock.&#148; We urge
you, however, to read the applicable prospectus supplement (and any related free writing prospectus that we may authorize to be provided to you) related to the series of preferred stock being offered, as well as the complete certificate of
designation that contains the terms of the applicable series of preferred stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Debt Securities.</I> We may issue debt securities from time to time,
in one or more series, as either senior or subordinated debt or as senior or subordinated convertible debt. The senior debt securities will rank equally with any other unsecured and unsubordinated debt. The subordinated debt securities will be
subordinate and junior in right of payment, to the extent and in the manner described in the instrument governing the debt, to all of our </P>
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senior indebtedness. Convertible debt securities will be convertible into or exchangeable for our common stock or other securities. Conversion may be mandatory or at your option and would be at
prescribed conversion rates. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Any debt securities issued under this prospectus will be issued under one or more documents called indentures, which are
contracts between us and a national banking association or other eligible party, as trustee. In this prospectus, we have summarized certain general features of the debt securities under &#147;Description of Debt Securities.&#148; We urge you,
however, to read the applicable prospectus supplement (and any free writing prospectus that we may authorize to be provided to you) related to the series of debt securities being offered, as well as the complete indentures that contain the terms of
the debt securities. We have filed the form of indenture as an exhibit to the registration statement of which this prospectus is a part, and we will file supplemental indentures and forms of debt securities containing the terms of the debt
securities being offered as exhibits to the registration statement of which this prospectus is a part or we will incorporate them by reference from reports that we file with the SEC. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><I>Warrants.</I> We may issue warrants for the purchase of common stock, preferred stock or debt securities in one or more series. We may issue warrants
independently or together with common stock, preferred stock or debt securities. In this prospectus, we have summarized certain general features of the warrants under &#147;Description of Warrants.&#148; We urge you, however, to read the applicable
prospectus supplement (and any related free writing prospectus that we may authorize to be provided to you) related to the series of warrants being offered, as well as any warrant agreements and warrant certificates that contain the terms of the
warrants. We have filed forms of the warrant agreements and forms of warrant certificates containing the terms of the warrants that may be offered as exhibits to the registration statement of which this prospectus is a part. We will file as exhibits
to the registration statement of which this prospectus is a part, or will incorporate by reference from reports that we file with the SEC, the form of warrant and/or the warrant agreement and warrant certificate, as applicable, that contain the
terms of the particular series of warrants we are offering, and any supplemental agreements, before the issuance of such warrants. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Any warrants issued
under this prospectus may be evidenced by warrant certificates. Warrants also may be issued under an applicable warrant agreement that we enter into with a warrant agent. We will indicate the name and address of the warrant agent, if applicable, in
the prospectus supplement relating to the particular series of warrants being offered. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Use of Proceeds </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Except as described in any applicable prospectus supplement or in any free writing prospectuses we have authorized for use in connection with a specific
offering, we currently intend to use the net proceeds from the sale of the securities offered by us hereunder, if any, to acquire additional potential royalty and milestone revenue streams, for working capital and other general corporate purposes.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Nasdaq Global Market Listing </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our common stock is
listed on the Nasdaq Global Market under the symbol &#147;XOMA&#148; and our Series A preferred stock is listed on the Nasdaq Global Market under the symbol &#147;XOMAP.&#148; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_3"></A>RISK FACTORS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Investing in our securities involves a high degree of risk. Before deciding whether to invest in our securities, you should consider carefully the risks and
uncertainties described under the heading &#147;Risk Factors&#148; contained in the applicable prospectus supplement and any related free writing prospectus, and discussed under the section entitled &#147;Risk Factors&#148; contained in our most
recent Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> and in our most recent Quarterly Report on Form <FONT STYLE="white-space:nowrap">10-Q,</FONT> as well as any amendments thereto reflected in subsequent filings with the SEC,
which are incorporated by reference into this prospectus in their entirety, together with other information in this prospectus, the documents incorporated by reference and any free writing prospectus that we may authorize for use in connection with
this offering. The risks described in these documents are not the only ones we face, but those that we consider to be material. There may be other unknown or unpredictable economic, business, competitive, regulatory or other factors that could have
material adverse effects on our future results. Past financial performance may not be a reliable indicator of future performance, and historical trends should not be used to anticipate results or trends in future periods. If any of these risks
actually occurs, our business, financial condition, results of operations or cash flow could be seriously harmed. This could cause the trading price of our common stock to decline, resulting in a loss of all or part of your investment. Please also
read carefully the section below entitled &#147;Special Note Regarding Forward-Looking Statements.&#148; </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">7 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_4"></A>SPECIAL NOTE REGARDING FORWARD-LOOKING STATEMENTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This prospectus, including the documents that we incorporate by reference herein, contains, and any applicable prospectus supplement or free writing
prospectus may contain, forward-looking statements that relate to future periods, which are forward-looking statements within the meaning of Section&nbsp;27A of the Securities Act of 1933, as amended, or the Securities Act, Section&nbsp;21E of the
Securities Exchange Act of 1934, as amended, or the Exchange Act, and the Private Securities Litigation Reform Act of 1995, which are subject to the &#147;safe harbor&#148; created by those sections. The words &#147;believe,&#148; &#147;may,&#148;
&#147;estimate,&#148; &#147;continue,&#148; &#147;anticipate,&#148; &#147;intend,&#148; &#147;expect,&#148; &#147;predict,&#148; &#147;project,&#148; &#147;potential,&#148; &#147;believe,&#148; &#147;should,&#148; &#147;could&#148; and similar
expressions are intended to identify forward-looking statements. Examples of these statements include, but are not limited to, statements regarding: our future operating expenses, our future losses, the potential success of our strategy as a royalty
aggregator, the extent to which our issued and pending patents may protect our products and technology, the potential of our existing product candidates to lead to the development of commercial products, and our ability to receive potential
milestone or royalty payments under license and collaboration agreements and the probability, amount and timing of receipt of those payments.<I> </I>These and other risks, including those related to current economic and financial market conditions,
are described in more detail in &#147;Risk Factors&#148; above and the additional risk factors contained in our most recent Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> and Quarterly Reports on Form <FONT
STYLE="white-space:nowrap">10-Q.</FONT> We undertake no obligation to publicly update any forward-looking statements, regardless of any new information, future events or other occurrences. We advise you, however, to consult any additional
disclosures we make in our reports to the SEC on Forms <FONT STYLE="white-space:nowrap">10-K,</FONT> <FONT STYLE="white-space:nowrap">10-Q</FONT> and <FONT STYLE="white-space:nowrap">8-K.</FONT> </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">8 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_5"></A>USE OF PROCEEDS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Except as described in any applicable prospectus supplement or in any free writing prospectuses we have authorized for use in connection with a specific
offering, we currently intend to use the net proceeds from the sale of the securities offered by us hereunder, if any, to acquire additional potential royalty and milestone revenue streams, for working capital and other general corporate purposes.
We may also use a portion of the net proceeds to acquire or invest in businesses, products and technologies that are complementary to our own, although we have no commitments or agreements with respect to any acquisitions as of the date of this
prospectus. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The amounts and timing of our use of the net proceeds from this offering will depend on a number of factors, such as the timing and progress
of any partnering and commercialization efforts, technological advances and the competitive environment for our milestone and royalty assets. As of the date of this prospectus, we cannot specify with certainty all of the particular uses for the net
proceeds to us from the sale of the securities offered by us hereunder. Accordingly, our management will have broad discretion in the timing and application of these proceeds. Pending application of the net proceeds as described above, we intend to
temporarily invest the proceeds in short-term, interest-bearing instruments. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_6"></A>DESCRIPTION OF CAPITAL STOCK </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The following is a description of our Common Stock, $0.0075 par value (the &#147;Common Stock&#148;) and Preferred Stock, $0.05 par value (the &#147;Preferred
Stock&#148;). The Common Stock and the 8.625% Series A Cumulative Perpetual Preferred Stock (the &#147;Series A Preferred Stock&#148;) are the only securities of the Company registered pursuant to Section&nbsp;12 of the Securities Exchange Act of
1934, as amended (the &#147;Exchange Act&#148;). </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Common Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>General. </I></B>We are authorized to issue up to 277,333,332 shares of Common Stock. The following description is based on (i)&nbsp;our
Certificate of Incorporation, as currently in effect (the &#147;Certificate of Incorporation&#148;), (ii) the our <FONT STYLE="white-space:nowrap">By-laws,</FONT> as currently in effect (the
<FONT STYLE="white-space:nowrap">&#147;By-laws&#148;),</FONT> and (iii)&nbsp;the Delaware General Corporation Law (the &#147;DGCL&#148;). The following summary description of our Common Stock is qualified in its entirety by reference to the
provisions of the Certificate of Incorporation and <FONT STYLE="white-space:nowrap">By-laws.</FONT> </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Dividend Rights. </I></B>The
holders of our Common Stock have the right to receive dividends and distributions, whether payable in cash or otherwise, as may be declared from time to time by our board of directors, from legally available funds. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Voting Rights. </I></B>Each holder of our Common Stock is generally entitled to one vote for each share of Common Stock owned of record
on all matters submitted to a vote of our stockholders. Except as otherwise required by law, holders of Common Stock (as well as holders of any Preferred Stock entitled to vote with the common stockholders) will generally vote together as a single
class on all matters presented to the stockholders for their vote or approval, including the election of directors. Any matter brought before the stockholders for a vote, other than the election of directors, will generally be decided by a majority
of the votes cast on the matter, unless the matter is one in which an express provision of the DGCL, the Certificate of Incorporation, the <FONT STYLE="white-space:nowrap">By-laws,</FONT> the rules or regulations of any stock exchange applicable to
us, applicable law or pursuant to any regulation applicable to us or our securities requires a different vote, in which case the express provision will govern and control the decision of the matter. Directors will be elected by a plurality of the
votes cast and entitled to vote generally on the election of directors. There are no cumulative voting rights with respect to the election of directors or any other matters. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>No Preemptive or Similar Rights. </I></B>Holders of our Common Stock have no redemption rights, conversion rights or preemptive rights
to purchase or subscribe for our securities. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Right to Receive Liquidation Distributions. </I></B>In the event of our liquidation,
dissolution or <FONT STYLE="white-space:nowrap">winding-up,</FONT> holders of our Common Stock will be entitled to share equally in the assets available for distribution after payment of all creditors and the liquidation preferences of our Preferred
Stock (if any). </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The rights of the holders of our Common Stock are subject to, and may be adversely affected by, the rights of holders of shares of any
Preferred Stock that we may designate and issue in the future. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Preferred Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>General.</I></B><I> </I>Under our Certificate of Incorporation, our board of directors is authorized to issue up to 1,000,000 shares of
Preferred Stock, and, by resolution, to divide the Preferred Stock into series and, with respect to each series, to determine the designations and the powers, preferences and rights, and the qualifications, limitations and restrictions thereof,
including the dividend rights, conversion or exchange rights, voting rights, redemption rights and terms, liquidation preferences, sinking fund provisions and the number of shares constituting the series. Our board of directors can, without
stockholder approval but subject to the terms of the Certificate of Incorporation and to any resolution of the stockholders approved by at least 75% of all issued shares entitled to vote in respect thereof, issue Preferred Stock with voting and
other rights that could adversely </P>
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affect the voting power of the holders of our Common Stock and which could have certain anti-takeover effects. Before we may issue any series of Preferred Stock, our board of directors will be
required to adopt resolutions creating and designating such series of Preferred Stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The following summary description of the Preferred
Stock is qualified in its entirety by reference to the provisions of the Certificate of Incorporation, <FONT STYLE="white-space:nowrap">By-laws</FONT> and the certificates of designation of preferences, rights and limitations of each series of the
Preferred Stock and the applicable provisions of the DGCL. As of December&nbsp;31, 2020, 5,003 shares of Series X Preferred Stock and 984,000 shares of 8.625% Series A Cumulative Perpetual Preferred Stock (the &#147;Series A Preferred Stock&#148;)
were issued and outstanding. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>8.625% Series A Cumulative Perpetual Preferred Stock</I></B><B><I>.</I></B><I> </I>We have designated
984,000 shares of our Preferred Stock as Series A Preferred Stock. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The Series A Preferred Stock will rank, as to dividend rights and
rights upon our liquidation, dissolution or winding up: </P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">senior to all classes or series of our common stock and to all other equity securities issued by us expressly
designated as ranking junior to the Series A Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">senior with respect to the payment of dividends and on parity with respect to the distribution of assets upon our
liquidation, dissolution or winding up with our Series X Preferred Stock and on parity with any future class or series of our equity securities expressly designated as ranking on parity with the Series A Preferred Stock; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">junior to all equity securities issued by us with terms specifically providing that those equity securities rank
senior to the Series A Preferred Stock with respect to the payment of dividends and the distribution of assets upon our liquidation, dissolution or winding up, none of which exists on the date hereof; and; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">effectively junior to all our existing and future indebtedness (including indebtedness convertible into our
common stock or preferred stock) and to the indebtedness and other liabilities of (as well as any preferred equity interests held by others in) our existing or future subsidiaries. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Dividends</I>. We will pay cumulative cash dividends on the Series A Preferred Stock, when and as declared by our board of directors, at
the rate of 8.625% of the $25.00 liquidation preference per share per year (equivalent to $2.15625 per year). Dividends will be payable quarterly in arrears, on or about the 15th day of January, April, July and October, beginning on or about
April&nbsp;15, 2021; provided that if any dividend payment date is not a business day, then the dividend which would otherwise have been payable on that dividend payment date may be paid on the next succeeding business day, and no interest,
additional dividends or other sums will accumulate. Dividends will accumulate and be cumulative from, and including, the date of original issuance, which is expected to be December&nbsp;15, 2020. The first dividend, which is scheduled to be paid on
or about April&nbsp;15, 2021 in the amount of $0.71875 per share of Series A Preferred Stock, will be for more than a full quarter and will cover the period from, and including, the first date we issue and sell the Series A Preferred Stock through,
but not including, April&nbsp;15, 2021. Dividends on the Series A Preferred Stock will continue to accumulate whether or not (i)&nbsp;any of our agreements prohibit the current payment of dividends, (ii)&nbsp;we have earnings or funds legally
available to pay the dividends, or (iii)&nbsp;our board of directors does not declare the payment of the dividends. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Liquidation
Preference</I>. The liquidation preference of each share of Series A Preferred Stock is $25.00. Upon liquidation, holders of our Series A Preferred Stock will be entitled to receive the liquidation preference with respect to their shares of Series A
Preferred Stock plus an amount equal to accumulated but unpaid dividends with respect to such shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Optional Redemption</I>. On and
after December&nbsp;15, 2021, the first anniversary of December&nbsp;15, 2020, to but excluding the second anniversary, the shares of Series A Preferred Stock will be redeemable at our option, in </P>
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whole or in part, at a redemption price equal to $26.00 per Preferred Share, plus any accrued and unpaid dividends. On and after December&nbsp;15, 2022, the second anniversary of
December&nbsp;15, 2020, to but excluding the third anniversary, the shares of Series A Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25.75 per Preferred Share, plus any accrued and unpaid
dividends. On and after December&nbsp;15, 2023, the third anniversary of December&nbsp;15, 2020, to but excluding the fourth anniversary, the shares of Series A Preferred Stock will be redeemable at our option, in whole or in part, at a redemption
price equal to $25.50 per Preferred Share, plus any accrued and unpaid dividends. On and after December&nbsp;15, 2024, the fourth anniversary of December&nbsp;15, 2020, to but excluding the fifth anniversary, the shares of Series A Preferred Stock
will be redeemable at our option, in whole or in part, at a redemption price equal to $25.25 per Preferred Share, plus any accrued and unpaid dividends. On and after December&nbsp;15, 2025, the fifth anniversary of December&nbsp;15, 2020, the shares
of Series A Preferred Stock will be redeemable at our option, in whole or in part, at a redemption price equal to $25.00 per Preferred Share, plus any accrued and unpaid dividends. We may not redeem the shares of Series A Preferred Stock before the
first anniversary of December&nbsp;15, 2020, except as described below. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Special Optional Redemption Upon a Change of Control or
Delisting Event</I>. Upon the occurrence of a Delisting Event (as defined below), we may, at our option, redeem the Series A Preferred Stock, in whole or in part, within 90 days after the first date on which such Delisting Event occurred, for cash,
at a redemption price of $25.00 per share, plus any accrued and unpaid dividends up to, but not including, the date of redemption. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A
&#147;Delisting Event&#148; occurs when, after the original issuance of Series A Preferred Stock, both (i)&nbsp;the shares of Series A Preferred Stock are no longer listed on Nasdaq, the New York Stock Exchange (&#147;NYSE&#148;), or the NYSE
American LLC (&#147;NYSE AMER&#148;), or listed or quoted on an exchange or quotation system that is a successor to Nasdaq, the NYSE or the NYSE AMER, and (ii)&nbsp;we are not subject to the reporting requirements of the Exchange Act, but any Series
A Preferred Stock is still outstanding. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon the occurrence of a Change of Control (as defined below), we may, at our option, redeem the
Series A Preferred Stock, in whole or in part within 120 days after the first date on which such Change of Control occurred, for cash, at a redemption price of $25.00 per share, plus any accrued and unpaid dividends up to, but not including, the
date of redemption. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">A &#147;Change of Control&#148; occurs when, after the original issuance of the Series A Preferred Stock, the
following have occurred and are continuing: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the acquisition by any person, including any syndicate or group deemed to be a &#147;person&#148; under
Section&nbsp;13(d)(3) of the Exchange Act, of beneficial ownership, directly or indirectly, through a purchase, merger or other acquisition transaction or series of purchases, mergers or other acquisition transactions of shares of our company
entitling that person to exercise more than 50% of the total voting power of all shares of our company entitled to vote generally in elections of directors (except that such person will be deemed to have beneficial ownership of all securities that
such person has the right to acquire, whether such right is currently exercisable or is exercisable only upon the occurrence of a subsequent condition); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">following the closing of any transaction referred to in the bullet point above, neither we nor any acquiring or
surviving entity (or if, in connection with such transaction shares of our common stock are converted into or exchanged for (in whole or in part) common equity securities of another entity), has a class of common securities (or ADRs representing
such securities) listed on Nasdaq, the NYSE or the NYSE AMER, or listed or quoted on an exchange or quotation system that is a successor to Nasdaq, the NYSE or the NYSE AMER. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We refer to redemption following a Delisting Event or Change of Control as a &#147;special optional redemption.&#148; If, prior to the
Delisting Event Conversion Date (as defined below) or the Change of Control Conversion Date (as defined below), as applicable, we have provided or provide notice of exercise of any of our </P>
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redemption rights relating to the Series A Preferred Stock (whether our optional redemption right or our special optional redemption right), the holders of the Series A Preferred Stock will not
have the conversion right described below. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Conversion</I>. Upon the occurrence of a Delisting Event or a Change of Control, as
applicable, each holder of Series A Preferred Stock will have the right (unless, prior to the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, we have provided or provide notice of our election to redeem the
Series A Preferred Stock) to convert some or all of the Series A Preferred Stock held by such holder on the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable, into a number of shares of our common stock (or
equivalent value of alternative consideration) per share of Series A Preferred Stock equal to the lesser of: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the quotient obtained by dividing (1)&nbsp;the sum of the $25.00 per share liquidation preference plus the amount
of any accumulated and unpaid dividends up to, but not including, the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable (unless the Delisting Event Conversion Date or Change of Control Conversion Date, as applicable
is after a record date for a Series A Preferred Stock dividend payment and prior to the corresponding Series A Preferred Stock dividend payment date, in which case no additional amount for such accumulated and unpaid dividend will be included in
this sum) by (2)&nbsp;the Common Stock Price (as defined below); and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">1.46071 (i.e., the Share Cap), subject to certain adjustments; </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">and subject, in each case, to certain conditions, including, under specified circumstances, an aggregate cap on the total number of shares of our common stock
issuable upon conversion and to provisions for the receipt of alternative consideration. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If, prior to the Delisting Event Conversion Date or Change of
Control Conversion Date, as applicable, we have provided or provide a redemption notice, whether pursuant to our special optional redemption right or our optional redemption right, holders of Series A Preferred Stock will not have any right to
convert the Series A Preferred Stock, and any Series A Preferred Stock subsequently selected for redemption that has been tendered for conversion will be redeemed on the related date of redemption instead of converted on the Delisting Event
Conversion Date or Change of Control Conversion Date, as applicable. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In the event that the conversion would result in the issuance of fractional shares
of common stock, we will pay the holder of Series A Preferred Stock cash in lieu of such fractional shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Except as provided above in connection with a
Delisting Event or Change of Control, shares of the Series A Preferred Stock are not convertible into or exchangeable for any other securities or property. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">For purposes of this description, &#147;Change of Control Conversion Date&#148; means a business day fixed by our board of directors that is not fewer than 20
days nor more than 35 days after the date on which we provide notice to the holders of the Series A Preferred Stock of a Change of Control. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">For purposes
of this description, &#147;Common Stock Price&#148; for any Change of Control will be: (1)&nbsp;if the consideration to be received in the Change of Control by the holders of our common stock is solely cash, the amount of cash consideration per
share of common stock; and (2)&nbsp;if the consideration to be received in the Change of Control by holders of our common stock is other than solely cash (x)&nbsp;the average of the closing prices for our common stock on the principal U.S.
securities exchange on which our common stock is then traded (or, if no closing sale price is reported, the average of the closing bid and ask prices per share or, if more than one in either case, the average of the average closing bid and the
average closing ask prices per share) for the ten consecutive trading days immediately preceding, but not including, the date on which such Change of Control occurred as reported on the principal U.S. securities exchange on which our common stock is
then traded, or (y)&nbsp;the average of the last quoted bid prices for our common stock in the <FONT STYLE="white-space:nowrap"><FONT STYLE="white-space:nowrap">over-the-counter</FONT></FONT> market as reported by
</P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">13 </P>

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OTC Markets Group Inc. or similar organization for the ten consecutive trading days immediately preceding, but not including, the date on which such Change of Control occurred, if our common
stock is not then listed for trading on a U.S. securities exchange. The &#147;Common Stock Price&#148; for any Delisting Event will be the average of the closing price per share of our common stock on the 10 consecutive trading days immediately
preceding, but not including, the effective date of the Delisting Event. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">For purposes of this description, &#147;Delisting Event Conversion Date&#148;
means a business day fixed by our board of directors that is not fewer than 20 days nor more than 35 days after the date on which we provide notice to the holders of the Series A Preferred Stock of a Delisting Event. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Voting Rights.</I> Holders of Series A Preferred Stock generally will have no voting rights. However, if we do not pay dividends on any
outstanding shares of Series A Preferred Stock for six or more quarterly dividend periods (whether or not declared or consecutive), holders of Series A Preferred Stock (voting separately as a class with all other outstanding series of preferred
stock upon which like voting rights have been conferred and are exercisable) will be entitled to elect two additional directors to our board of directors to serve until all unpaid dividends have been fully paid or declared and set apart for payment.
In addition, certain material and adverse changes to the terms of the Series A Preferred Stock cannot be made without the affirmative vote of holders of at least 66 2/3% of the outstanding shares of Series A Preferred Stock, voting as a separate
class. In any matter in which the Series A Preferred Stock may vote, each share of Series A Preferred Stock shall be entitled to one vote. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Series X Preferred Stock.</I></B><I> </I>We have designated 5,003 shares of our Preferred Stock as Series X Preferred Stock. The Series
X Preferred Stock ranks: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">senior to any class or series of our capital stock created specifically ranking by its terms junior to the Series
X Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">on parity to our Common Stock; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">on parity to any class or series of our capital stock created specifically ranking by its terms on parity with
the Series X Preferred Stock; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">junior to any class or series of our capital stock created specifically ranking by its terms senior to the Series
X Preferred Stock; </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">in each case, as to distributions of assets upon our liquidation, dissolution or winding up whether voluntarily or
involuntarily. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Dividends</I>. Holders of Series X Preferred Stock are entitled to receive dividends on shares of Series X Preferred
Stock equal (on an <FONT STYLE="white-space:nowrap">as-converted</FONT> basis) to and in the same form as dividends actually paid on our Common Stock or other junior securities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Liquidation Preference</I>. In the event of our liquidation, dissolution, or winding up, holders of our Series X Preferred Stock will
participate pari passu (on an <FONT STYLE="white-space:nowrap">as-converted</FONT> basis, without regard to any blocker provisions) with any distribution of proceeds to holders of our Common Stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Redemption</I>. We are not obligated to redeem or repurchase any shares of Series X Preferred Stock. Shares of Series X Preferred Stock are
not otherwise entitled to any redemption rights or mandatory sinking fund or analogous fund provisions. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Conversion</I>. The Series X
Preferred Stock is convertible at the option of the holders thereof at any time after issuance into the number of registered shares of Common Stock determined by dividing the aggregate stated value of the Series X Preferred Stock being converted by
the conversion price then in effect. The initial conversion price is $4.03 and is subject to adjustment as described below. No holder may request a conversion of its Series X Preferred Stock to the extent such conversion would result in the holder
and its affiliates beneficially </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">14 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
owning more than a <FONT STYLE="white-space:nowrap">pre-set</FONT> conversion blocker threshold, which was initially set at 19.99% of our Common Stock then outstanding (the &#147;Beneficial
Ownership Limitation&#148;). The amount of beneficial ownership of a holder and its affiliates will be determined in accordance with Section&nbsp;13(d) of the Securities Exchange Act of 1934, as amended, and the rules and regulations of that
section. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Conversion Price Adjustment&#151;Stock Dividends and Stock Splits</I>. If we pay a stock dividend or otherwise make a
distribution payable in Common Stock on our Common Stock or any Common Stock equivalents, subdivide or combine our outstanding Common Stock, or reclassify our Common Stock in such a way that we issue additional shares of our capital stock, the
conversion price will be adjusted by multiplying the then-existing conversion price by a fraction, the numerator of which is the number of shares of Common Stock outstanding immediately before the distribution, dividend, adjustment or
recapitalization and the denominator of which is the number of shares of Common Stock outstanding immediately after such action. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Fundamental Transaction.</I> If we effect a &#147;fundamental transaction&#148; (as defined below), then upon any future conversion of the
Series X Preferred Stock, the holders will have the right to receive, for each share of Common Stock they would have received upon such conversion, the same kind and amount of securities, cash or property as such holder would have been entitled to
receive in the fundamental transaction had it been the holder of Common Stock immediately prior to the fundamental transaction. The term &#147;fundamental transaction&#148; means any of the following: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a merger or consolidation with or into another entity or any stock sale to, or other business combination in
which wea are not the surviving entity; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the sale of all or substantially all of our assets in one transaction or a series of related transactions;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any completed tender offer or exchange offer involving holders of Common Stock in which more than 50% of the
Common Stock is converted or exchanged into other securities, cash or property, regardless of who makes such offer; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any reclassification of Common Stock or any compulsory share exchange by which our Common Stock is effectively
converted into or exchanged for other securities, cash or property (but not a reverse stock split). </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If the holders of Common Stock are
given a choice as to the securities, cash or property to be received in a fundamental transaction, the holders of Series X Preferred Stock will be given the same choice on conversion of such holders&#146; shares. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><I>Voting Rights.</I> The Series X Preferred Stock has no voting rights, except to the extent expressly provided in our Certificate of
Incorporation or as otherwise required by law. However, so long as 2,502 shares of Series X Preferred Stock are outstanding, we may not take any of the following actions without the affirmative consent of holders of a majority of the outstanding
Series X Preferred Stock: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">amend our Certificate of Incorporation, <FONT STYLE="white-space:nowrap">By-laws</FONT> or other charter
documents so as to materially, specifically and adversely affect the preferences, rights, or privileges of the Series X Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issue additional shares of Series X Preferred Stock or increase or decrease the number of authorized shares of
Series X Preferred Stock; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">sell, assign, monetize, pledge or otherwise divest or encumber our rights under any material license agreement,
joint venture or other partnership agreement to which we are a party as of the date of this offering and involving any drug or drug candidate; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issue or commit to issue any other equity securities, with certain exceptions; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">15 </P>

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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issue any equity-based award or compensation to certain of our officers, unless the award has been unanimously
approved by our compensation committee at a time when a designee appointed by the Series X Preferred holders is then serving on that committee; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">enter into any agreement or understanding to take any of the actions listed above. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Anti-takeover Effects of Provisions of our Certificate of Incorporation and <FONT STYLE="white-space:nowrap">By-laws</FONT> and Delaware Law </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Certificate of Incorporation and <FONT STYLE="white-space:nowrap">By-laws</FONT> Provisions. </I></B>Our Certificate of Incorporation
authorizes our board of directors to issue up to 1,000,000 shares of Preferred Stock without stockholder approval and to set the rights, preferences and other designations, including voting rights, of those shares as the board of directors may
determine. In addition, our <FONT STYLE="white-space:nowrap">By-laws</FONT> require certain procedures to be followed and time periods to be met for any stockholder to propose matters to be considered at annual meetings of stockholders, including
nominating directors for election at those meetings. Our <FONT STYLE="white-space:nowrap">By-laws</FONT> also provide that our board of directors is able to elect a director to fill a vacancy created by the expansion of the board of directors or due
to the resignation or departure of an existing board member. Provisions of Delaware law and our Certificate of Incorporation and <FONT STYLE="white-space:nowrap">By-laws</FONT> could make the acquisition of our company through a tender offer, a
proxy contest or other means more difficult and could make the removal of incumbent officers and directors more difficult. We expect these provisions to discourage coercive takeover practices and inadequate takeover bids and to encourage persons
seeking to acquire control of our company to first negotiate with our board of directors. We believe that the benefits provided by our ability to negotiate with the proponent of an unfriendly or unsolicited proposal outweigh the disadvantages of
discouraging these proposals. We believe the negotiation of an unfriendly or unsolicited proposal could result in an improvement of its terms. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman"><B><I>Delaware Law. </I></B>We are subject to Section&nbsp;203 of the DGCL, an anti-takeover law. In general, Section&nbsp;203 prohibits a
publicly held Delaware corporation from engaging in a &#147;business combination&#148; with an &#147;interested stockholder&#148; for a period of three years following the date the person became an interested stockholder, unless: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">prior to the date of the transaction, the board of directors of the corporation approved either the business
combination or the transaction which resulted in the stockholder becoming an interested stockholder; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">upon completion of the transaction that resulted in the stockholder becoming an interested stockholder, the
interested stockholder owned at least 85% of the voting stock of the corporation outstanding at the time the transaction commenced, excluding for purposes of determining the number of shares outstanding (a)&nbsp;shares owned by persons who are
directors and also officers, and (b)&nbsp;shares owned by employee stock plans in which employee participants do not have the right to determine confidentially whether shares held subject to the plan will be tendered in a tender or exchange offer;
or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">on or subsequent to the date of the transaction, the business combination is approved by the board and authorized
at an annual or special meeting of stockholders, and not by written consent, by the affirmative vote of at least 66% of the outstanding voting stock which is not owned by the interested stockholder. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Generally, a &#147;business combination&#148; includes a merger, asset or stock sale, or other transaction resulting in a financial benefit to
the interested stockholder. An &#147;interested stockholder&#148; is a person who, together with affiliates and associates, beneficially owns, or is an affiliate of the corporation and within three years prior to the determination of interested
stockholder status did own, 15% or more of a corporation&#146;s outstanding voting securities. We expect the existence of this provision to have an anti-takeover effect with respect to transactions our board of directors does not approve in advance.
</P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Transfer Agent and Registrar </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The transfer agent and
registrar for our common stock is American Stock Transfer&nbsp;&amp; Trust Company, LLC. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">16 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Listing on the Nasdaq Global Market </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our common stock is listed on the Nasdaq Global Market under the symbol &#147;XOMA&#148; and our Series A preferred stock is listed on the Nasdaq Global Market
under the symbol &#147;XOMAP.&#148; </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_7"></A>DESCRIPTION OF DEPOSITARY SHARES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We may offer depositary shares, which will be evidenced by depositary receipts, representing fractional interests in shares of preferred stock
of any series. In connection with the issuance of any depositary shares, we will enter into a deposit agreement with a bank or trust company, as depositary, which will be named in the applicable prospectus supplement. The following briefly
summarizes the material provisions of the deposit agreement and of the depositary shares and depositary receipts, other than pricing and related terms disclosed for a particular issuance in an accompanying prospectus supplement. This description is
not complete and is subject to, and qualified in its entirety by reference to, all provisions of the deposit agreement, depositary shares and depositary receipts. You should read the particular terms of any depositary shares and any depositary
receipts that we offer and any deposit agreement relating to a particular series of preferred stock described in more detail in a prospectus supplement. The prospectus supplement will also state whether any of the generalized provisions summarized
below do not apply to the depositary shares or depositary receipts being offered. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>General </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We may, at our option, elect to offer fractional shares of preferred stock, rather than full shares of preferred stock. In such event, we will
issue receipts for depositary shares, each of which will represent a fraction of a share of a particular series of preferred stock. For a description of our preferred stock, see &#147;Description of Capital Stock&#150;Preferred Stock.&#148; </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The shares of any series of preferred stock represented by depositary shares will be deposited under a deposit agreement between us and the
depositary we select. Each owner of a depositary share will be entitled to all the rights and preferences of the underlying preferred stock, including any dividend, voting, redemption, conversion and liquidation rights described in the particular
prospectus supplement, in proportion to the applicable fraction of a share of preferred stock represented by such depositary share. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The
depositary shares will be evidenced by depositary receipts issued pursuant to the deposit agreement. Depositary receipts will be distributed to those persons purchasing the fractional shares of preferred stock in accordance with the terms of the
applicable prospectus supplement. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Dividends and Other Distributions </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The preferred stock depositary will distribute all cash dividends or other cash distributions, if any, received in respect of the deposited
preferred stock to the record holders of depositary shares relating to the preferred stock in proportion to the number of depositary shares owned by such holders on the relevant record date. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">In the case of a distribution other than in cash, the preferred stock depositary will distribute any property received by it other than cash
to the record holders of depositary shares entitled to receive it in proportion to the number of depositary shares owned by such holder. If the preferred stock depositary determines that it is not feasible to make such a distribution, it may, with
our approval, sell the property and distribute the net proceeds from the sale to the holders of the depositary shares. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The amounts
distributed in any such distribution, whether in cash or otherwise, will be reduced by any amount required to be withheld by us or the preferred stock depositary on account of taxes. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Withdrawal of Preferred Stock </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Unless
otherwise indicated in the applicable prospectus supplement and unless the related depositary shares have been called for redemption, when a holder surrenders depositary receipts at the office of the preferred stock depositary maintained for that
purpose, and pays any necessary taxes, charges or other fees, the holder will be entitled to receive the number of whole shares of the related series of preferred stock, and any money or other property, if any, represented by the holder&#146;s
depositary shares. Once a holder exchanges depositary shares for </P>
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whole shares of preferred stock, that holder generally <FONT STYLE="white-space:nowrap">cannot&nbsp;&#147;re-deposit&#148;&nbsp;these</FONT> shares of preferred stock with the preferred stock
depositary, or exchange them for depositary shares. If a holder delivers depositary receipts that represent a number of depositary shares other than a whole number of shares of preferred stock for redemption or exchange, the preferred stock
depositary will issue a new depositary receipt to the holder that evidences the remainder of depositary shares at the same time that the preferred stock is withdrawn. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Redemption, Conversion and Exchange of Preferred Stock </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If a series of preferred stock represented by depositary shares is to be redeemed, the depositary shares will be redeemed from the proceeds
received by the preferred stock depositary resulting from the redemption, in whole or in part, of that series of preferred stock. The depositary shares will be redeemed by the preferred stock depositary at a price per depositary share equal to the
applicable fraction of the redemption price per share payable in respect of the shares of preferred stock redeemed. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Whenever we redeem
shares of preferred stock held by the preferred stock depositary, the preferred stock depositary will redeem, as of the same date, the number of depositary shares representing shares of preferred stock redeemed. If fewer than all the depositary
shares are to be redeemed, the depositary shares to be redeemed will be selected by the preferred stock depositary by lot or ratably or by any other equitable method, in each case as we may determine. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">If a series of preferred stock represented by depositary shares is to be converted or exchanged, the holder of depositary receipts
representing the shares of preferred stock being converted or exchanged will have the right or obligation to convert or exchange the depositary shares evidenced by the depositary receipts. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">After the redemption, conversion or exchange date, the depositary shares called for redemption, conversion or exchange will no longer be
outstanding. When the depositary shares are no longer outstanding, all rights of the holders will end, except the right to receive money, securities or other property payable upon redemption, conversion or exchange. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Voting Deposited Preferred Stock </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Upon
receipt of notice of any meeting at which the holders of any series of deposited preferred stock are entitled to vote, the preferred stock depositary will mail the information contained in the notice of meeting to the record holders of the
depositary receipts evidencing the depositary shares relating to that series of preferred stock. Each record holder of the depositary receipts on the record date will be entitled to instruct the preferred stock depositary to vote the amount of the
preferred stock represented by the holder&#146;s depositary shares. The preferred stock depositary will try, if practical, to vote the amount of such series of preferred stock represented by such depositary shares in accordance with such
instructions. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We will agree to take all reasonable actions that the preferred stock depositary determines are necessary to enable the
preferred stock depositary to vote as instructed. The preferred stock depositary will abstain from voting shares of any series of preferred stock held by it for which it does not receive specific instructions from the holders of depositary shares
representing those preferred shares. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Amendment and Termination of the Deposit Agreement </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The form of depositary receipt evidencing the depositary shares and any provision of the deposit agreement may at any time be amended by
agreement between us and the preferred stock depositary. However, any amendment that materially and adversely alters any existing right of the holders of depositary receipts will not be effective unless the amendment has been approved by the holders
of depositary receipts representing at least a majority of the depositary shares then outstanding. Additionally, in the case of amendments relating to or affecting rights to receive dividends or distributions or voting or redemption rights, approval
is also required by the holders of depositary receipts representing not less than a specified percentage or all of the depositary shares </P>
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of such series or class then outstanding, as provided in the applicable prospectus supplement. Every holder of an outstanding depositary receipt at the time any such amendment becomes effective
will be deemed, by continuing to hold the depositary receipt, to consent and agree to the amendment and to be bound by the deposit agreement, as amended. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We may direct the preferred stock depositary to terminate the deposit agreement at any time by mailing notice of termination to the record
holders of the depositary receipts then outstanding at least 30 days prior to the date fixed for termination. Upon termination, the preferred stock depositary will deliver to each holder of depositary receipts, upon surrender of those receipts, such
number of whole shares of the series of preferred stock represented by the depositary shares together with cash in lieu of any fractional shares, to the extent we have deposited cash for payment in lieu of fractional shares with the preferred stock
depositary. In addition, the deposit agreement will automatically terminate if: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">all of the outstanding shares of the preferred stock deposited with the preferred stock depositary have been
withdrawn, redeemed, converted or exchanged; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">there has been a final distribution in respect of the deposited preferred stock in connection with our
liquidation, dissolution or winding up and the distribution has been made to the holders of the related depositary shares evidenced by depositary receipts. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Charges of Preferred Stock Depositary; Taxes and Other Governmental Charges </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">We will pay all transfer and other taxes and governmental charges arising solely from the existence of the depositary arrangements. We also
will pay charges of the preferred stock depositary in connection with the initial deposit of preferred stock and any redemption of preferred stock. Holders of depositary receipts will pay other transfer and other taxes and governmental charges and
such other charges, including a fee for the withdrawal of shares of preferred stock upon surrender of depositary receipts, as are expressly provided in the deposit agreement to be for their accounts. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Prospective purchasers of depositary shares should be aware that special tax, accounting and other issues may be applicable to instruments
such as depositary shares. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Resignation and Removal of Depositary </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The preferred stock depositary may resign at any time by delivering to us notice of its intent to do so, and we may at any time remove the
preferred stock depositary, any such resignation or removal to take effect upon the appointment of a successor preferred stock depositary meeting the requirements specified in the deposit agreement and its acceptance of such appointment. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Miscellaneous </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">The preferred stock
depositary will forward all reports and communications from us which are delivered to the preferred stock depositary and which we are required to furnish to the holders of the deposited preferred stock. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; text-indent:4%; font-size:10pt; font-family:Times New Roman">Neither we nor the preferred stock depositary will be liable if we are or the preferred stock depositary is prevented or delayed by law or any
circumstances beyond our or its control in performing our or its obligations under the deposit agreement. Our obligations and the obligations of the preferred stock depositary under the deposit agreement will be limited to performance in good faith
of the duties under the deposit agreement, and we and the preferred stock depositary will not be obligated to prosecute or defend any legal proceeding in respect of any depositary shares, depositary receipts or shares of preferred stock unless
satisfactory indemnity is furnished. We and the preferred stock depositary may rely upon written advice of counsel or accountants, or upon information provided by holders of depositary receipts or other persons believed to be competent and on
documents believed to be genuine. </P>
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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_8"></A>DESCRIPTION OF DEBT SECURITIES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may issue debt securities from time to time, in one or more series, as either senior or subordinated debt or as senior or subordinated convertible debt.
While the terms we have summarized below will apply generally to any debt securities that we may offer under this prospectus, we will describe the particular terms of any debt securities that we may offer in more detail in the applicable prospectus
supplement. The terms of any debt securities offered under a prospectus supplement may differ from the terms described below. Unless the context requires otherwise, whenever we refer to the indenture, we also are referring to any supplemental
indentures that specify the terms of a particular series of debt securities. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will issue the debt securities under the indenture that we will enter
into with the trustee named in the indenture. The indenture will be qualified under the Trust Indenture Act of 1939, as amended (the &#147;Trust Indenture Act&#148;). We have filed the form of indenture as an exhibit to the Registration Statement of
which this prospectus is a part, and supplemental indentures and forms of debt securities containing the terms of the debt securities being offered will be filed as exhibits to the Registration Statement of which this prospectus is a part or will be
incorporated by reference from reports that we file with the SEC. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The following summary of material provisions of the debt securities and the indenture
is subject to, and qualified in its entirety by reference to, all of the provisions of the indenture applicable to a particular series of debt securities. We urge you to read the applicable prospectus supplements and any related free writing
prospectuses related to the debt securities that we may offer under this prospectus, as well as the complete indenture that contains the terms of the debt securities. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>General </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The indenture does not limit the amount of debt
securities that we may issue. It provides that we may issue debt securities up to the principal amount that we may authorize and may be in any currency or currency unit that we may designate. Except for the limitations on consolidation, merger and
sale of all or substantially all of our assets contained in the indenture, the terms of the indenture do not contain any covenants or other provisions designed to give holders of any debt securities protection against changes in our operations,
financial condition or transactions involving us. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may issue the debt securities issued under the indenture as &#147;discount securities,&#148; which
means they may be sold at a discount below their stated principal amount. These debt securities, as well as other debt securities that are not issued at a discount, may be issued with OID for U.S. federal income tax purposes because of interest
payment and other characteristics or terms of the debt securities. Material U.S. federal income tax considerations applicable to debt securities issued with OID will be described in more detail in any applicable prospectus supplement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will describe in the applicable prospectus supplement the terms of the series of debt securities being offered, including: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the title of the series of debt securities; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any limit upon the aggregate principal amount that may be issued; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the maturity date or dates; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the form of the debt securities of the series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the applicability of any guarantees; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">whether or not the debt securities will be secured or unsecured, and the terms of any secured debt;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
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<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">whether the debt securities rank as senior debt, senior subordinated debt, subordinated debt or any combination
thereof, and the terms of any subordination; </P></TD></TR></TABLE>
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<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the price (expressed as a percentage of the aggregate principal amount thereof) at which such debt securities
will be issued is a price other than the principal amount thereof, the portion of the principal amount thereof payable upon declaration of acceleration of the maturity thereof, or if applicable, the portion of the principal amount of such debt
securities that is convertible into another security or the method by which any such portion shall be determined; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the interest rate or rates, which may be fixed or variable, or the method for determining the rate and the date
interest will begin to accrue, the dates interest will be payable and the regular record dates for interest payment dates or the method for determining such dates; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">our right, if any, to defer payment of interest and the maximum length of any such deferral period;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if applicable, the date or dates after which, or the period or periods during which, and the price or prices at
which, we may, at our option, redeem the series of debt securities pursuant to any optional or provisional redemption provisions and the terms of those redemption provisions; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the date or dates, if any, on which, and the price or prices at which we are obligated, pursuant to any mandatory
sinking fund or analogous fund provisions or otherwise, to redeem, or at the holder&#146;s option to purchase, the series of debt securities and the currency or currency unit in which the debt securities are payable; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the denominations in which we will issue the series of debt securities, if other than denominations of $1,000 and
any integral multiple thereof; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any and all terms, if applicable, relating to any auction or remarketing of the debt securities of that series
and any security for our obligations with respect to such debt securities and any other terms which may be advisable in connection with the marketing of debt securities of that series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">whether the debt securities of the series shall be issued in whole or in part in the form of a global security or
securities; the terms and conditions, if any, upon which such global security or securities may be exchanged in whole or in part for other individual securities; and the depositary for such global security or securities; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if applicable, the provisions relating to conversion or exchange of any debt securities of the series and the
terms and conditions upon which such debt securities will be so convertible or exchangeable, including the conversion or exchange price, as applicable, or how it will be calculated and may be adjusted, any mandatory or optional (at our option or the
holders&#146; option) conversion or exchange features, the applicable conversion or exchange period and the manner of settlement for any conversion or exchange; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if other than the full principal amount thereof, the portion of the principal amount of debt securities of the
series which shall be payable upon declaration of acceleration of the maturity thereof; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">additions to or changes in the covenants applicable to the particular debt securities being issued, including,
among others, the consolidation, merger or sale covenant; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">additions to or changes in the events of default with respect to the securities and any change in the right of
the trustee or the holders to declare the principal, premium, if any, and interest, if any, with respect to such securities to be due and payable; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">additions to or changes in or deletions of the provisions relating to covenant defeasance and legal defeasance;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">additions to or changes in the provisions relating to satisfaction and discharge of the indenture;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">additions to or changes in the provisions relating to the modification of the indenture both with and without the
consent of holders of debt securities issued under the indenture; </P></TD></TR></TABLE> <P STYLE="font-size:18pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the currency of payment of debt securities if other than U.S. dollars and the manner of determining the
equivalent amount in U.S. dollars; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">22 </P>

</DIV></Center>


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<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">whether interest will be payable in cash or additional debt securities at our or the holders&#146; option and the
terms and conditions upon which the election may be made; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the terms and conditions, if any, upon which we will pay amounts in addition to the stated interest, premium, if
any, and principal amounts of the debt securities of the series to any holder that is not a &#147;United States person&#148; for federal tax purposes; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any restrictions on transfer, sale or assignment of the debt securities of the series; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any other specific terms, preferences, rights or limitations of, or restrictions on, the debt securities, any
other additions or changes in the provisions of the indenture, and any terms that may be required by us or advisable under applicable laws or regulations. </P></TD></TR></TABLE>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Conversion or Exchange Rights </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will set forth in the
applicable prospectus supplement the terms on which a series of debt securities may be convertible into or exchangeable for our common stock or our other securities. We will include provisions as to settlement upon conversion or exchange and whether
conversion or exchange is mandatory, at the option of the holder or at our option. We may include provisions pursuant to which the number of shares of our common stock or our other securities that the holders of the series of debt securities receive
would be subject to adjustment. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Consolidation, Merger or Sale </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless we provide otherwise in the prospectus supplement applicable to a particular series of debt securities, the indenture will not contain any covenant that
restricts our ability to merge or consolidate, or sell, convey, transfer or otherwise dispose of our assets as an entirety or substantially as an entirety. However, any successor to or acquirer of such assets (other than a subsidiary of ours) must
assume all of our obligations under the indenture or the debt securities, as appropriate. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Events of Default Under the Indenture </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless we provide otherwise in the prospectus supplement applicable to a particular series of debt securities, the following are events of default under the
indenture with respect to any series of debt securities that we may issue: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if we fail to pay any installment of interest on any series of debt securities, as and when the same shall become
due and payable, and such default continues for a period of 90 days; provided, however, that a valid extension of an interest payment period by us in accordance with the terms of any indenture supplemental thereto shall not constitute a default in
the payment of interest for this purpose; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if we fail to pay the principal of, or premium, if any, on any series of debt securities as and when the same
shall become due and payable whether at maturity, upon redemption, by declaration or otherwise, or in any payment required by any sinking or analogous fund established with respect to such series; provided, however, that a valid extension of the
maturity of such debt securities in accordance with the terms of any indenture supplemental thereto shall not constitute a default in the payment of principal or premium, if any; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if we fail to observe or perform any other covenant or agreement contained in the debt securities or the
indenture, other than a covenant specifically relating to another series of debt securities, and our failure continues for 90 days after we receive written notice of such failure, requiring the same to be remedied and stating that such is a notice
of default thereunder, from the trustee or holders of at least 25% in aggregate principal amount of the outstanding debt securities of the applicable series; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if specified events of bankruptcy, insolvency or reorganization occur. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">23 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If an event of default with respect to debt securities of any series occurs and is continuing, other than an
event of default specified in the last bullet point above, the trustee or the holders of at least 25% in aggregate principal amount of the outstanding debt securities of that series, by notice to us in writing, and to the trustee if notice is given
by such holders, may declare the unpaid principal of, premium, if any, and accrued interest, if any, due and payable immediately. If an event of default specified in the last bullet point above occurs with respect to us, the principal amount of and
accrued interest, if any, of each issue of debt securities then outstanding shall be due and payable without any notice or other action on the part of the trustee or any holder. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The holders of a majority in principal amount of the outstanding debt securities of an affected series may waive any default or event of default with respect
to the series and its consequences, except defaults or events of default regarding payment of principal, premium, if any, or interest, unless we have cured the default or event of default in accordance with the indenture. Any waiver shall cure the
default or event of default. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Subject to the terms of the indenture, if an event of default under an indenture shall occur and be continuing, the trustee
will be under no obligation to exercise any of its rights or powers under such indenture at the request or direction of any of the holders of the applicable series of debt securities, unless such holders have offered the trustee reasonable
indemnity. The holders of a majority in principal amount of the outstanding debt securities of any series will have the right to direct the time, method and place of conducting any proceeding for any remedy available to the trustee, or exercising
any trust or power conferred on the trustee, with respect to the debt securities of that series, provided that: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the direction so given by the holder is not in conflict with any law or the applicable indenture; and
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">subject to its duties under the Trust Indenture Act, the trustee need not take any action that might involve it
in personal liability or might be unduly prejudicial to the holders not involved in the proceeding. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">A holder of the debt securities of
any series will have the right to institute a proceeding under the indenture or to appoint a receiver or trustee, or to seek other remedies only if: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the holder has given written notice to the trustee of a continuing event of default with respect to that series;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the holders of at least 25% in aggregate principal amount of the outstanding debt securities of that series have
made written request; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">such holders have offered to the trustee indemnity satisfactory to it against the costs, expenses and liabilities
to be incurred by the trustee in compliance with the request; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the trustee does not institute the proceeding, and does not receive from the holders of a majority in aggregate
principal amount of the outstanding debt securities of that series other conflicting directions within 90 days after the notice, request and offer. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">These limitations do not apply to a suit instituted by a holder of debt securities if we default in the payment of the principal, premium, if any, or interest
on, the debt securities. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will periodically file statements with the trustee regarding our compliance with specified covenants in the indenture. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Modification of Indenture; Waiver </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We and the trustee may
change an indenture without the consent of any holders with respect to specific matters: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to cure any ambiguity, defect or inconsistency in the indenture or in the debt securities of any series;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to comply with the provisions described above under &#147;Description of Debt Securities-Consolidation, Merger or
Sale;&#148; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">24 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to provide for uncertificated debt securities in addition to or in place of certificated debt securities;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to add to our covenants, restrictions, conditions or provisions such new covenants, restrictions, conditions or
provisions for the benefit of the holders of all or any series of debt securities, to make the occurrence, or the occurrence and the continuance, of a default in any such additional covenants, restrictions, conditions or provisions an event of
default or to surrender any right or power conferred upon us in the indenture; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to add to, delete from or revise the conditions, limitations, and restrictions on the authorized amount, terms,
or purposes of issue, authentication and delivery of debt securities, as set forth in the indenture; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to make any change that does not adversely affect the interests of any holder of debt securities of any series in
any material respect; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to provide for the issuance of and establish the form and terms and conditions of the debt securities of any
series as provided above under &#147;Description of Debt Securities-General&#148; to establish the form of any certifications required to be furnished pursuant to the terms of the indenture or any series of debt securities, or to add to the rights
of the holders of any series of debt securities; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to evidence and provide for the acceptance of appointment under any indenture by a successor trustee; or
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to comply with any requirements of the SEC in connection with the qualification of any indenture under the Trust
Indenture Act. </P></TD></TR></TABLE> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In addition, under the indenture, the rights of holders of a series of debt securities may be changed by us and the
trustee with the written consent of the holders of at least a majority in aggregate principal amount of the outstanding debt securities of each series that is affected. However, unless we provide otherwise in the prospectus supplement applicable to
a particular series of debt securities, we and the trustee may make the following changes only with the consent of each holder of any outstanding debt securities affected: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">extending the fixed maturity of any debt securities of any series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">reducing the principal amount, reducing the rate of or extending the time of payment of interest, or reducing any
premium payable upon the redemption of any series of any debt securities; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">reducing the percentage of debt securities, the holders of which are required to consent to any amendment,
supplement, modification or waiver. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Discharge </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Each indenture provides that we can elect to be discharged from our obligations with respect to one or more series of debt securities, except for specified
obligations, including obligations to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">provide for payment; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">register the transfer or exchange of debt securities of the series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">replace stolen, lost or mutilated debt securities of the series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">pay principal of and premium and interest on any debt securities of the series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">maintain paying agencies; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">hold monies for payment in trust; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">recover excess money held by the trustee; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">compensate and indemnify the trustee; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">appoint any successor trustee. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">25 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In order to exercise our rights to be discharged, we must deposit with the trustee money or government
obligations sufficient to pay all the principal of, any premium, if any, and interest on, the debt securities of the series on the dates payments are due. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Form, Exchange and Transfer </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will issue the debt
securities of each series only in fully registered form without coupons and, unless we provide otherwise in the applicable prospectus supplement, in denominations of $1,000 and any integral multiple thereof. The indenture provides that we may issue
debt securities of a series in temporary or permanent global form and as book-entry securities that will be deposited with, or on behalf of, The Depository Trust Company (&#147;DTC&#148;), or another depositary named by us and identified in the
applicable prospectus supplement with respect to that series. To the extent the debt securities of a series are issued in global form and as book-entry, a description of terms relating to any book-entry securities will be set forth in the applicable
prospectus supplement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">At the option of the holder, subject to the terms of the indenture and the limitations applicable to global securities described
in the applicable prospectus supplement, the holder of the debt securities of any series can exchange the debt securities for other debt securities of the same series, in any authorized denomination and of like tenor and aggregate principal amount.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Subject to the terms of the indenture and the limitations applicable to global securities set forth in the applicable prospectus supplement, holders of
the debt securities may present the debt securities for exchange or for registration of transfer, duly endorsed or with the form of transfer endorsed thereon duly executed if so required by us or the security registrar, at the office of the security
registrar or at the office of any transfer agent designated by us for this purpose. Unless otherwise provided in the debt securities that the holder presents for transfer or exchange, we will impose no service charge for any registration of transfer
or exchange, but we may require payment of any taxes or other governmental charges. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will name in the applicable prospectus supplement the security
registrar, and any transfer agent in addition to the security registrar, that we initially designate for any debt securities. We may at any time designate additional transfer agents or rescind the designation of any transfer agent or approve a
change in the office through which any transfer agent acts, except that we will be required to maintain a transfer agent in each place of payment for the debt securities of each series. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If we elect to redeem the debt securities of any series, we will not be required to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issue, register the transfer of, or exchange any debt securities of that series during a period beginning at the
opening of business 15 days before the day of mailing of a notice of redemption of any debt securities that may be selected for redemption and ending at the close of business on the day of the mailing; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">register the transfer of or exchange any debt securities so selected for redemption, in whole or in part, except
the unredeemed portion of any debt securities we are redeeming in part. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Information Concerning the Trustee </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The trustee, other than during the occurrence and continuance of an event of default under an indenture, undertakes to perform only those duties as are
specifically set forth in the applicable indenture. Upon an event of default under an indenture, the trustee must use the same degree of care as a prudent person would exercise or use in the conduct of his or her own affairs. Subject to this
provision, the trustee is under no obligation to exercise any of the powers given it by the indenture at the request of any holder of debt securities unless it is offered reasonable security and indemnity against the costs, expenses and liabilities
that it might incur. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">26 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Payment and Paying Agents </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless we otherwise indicate in the applicable prospectus supplement, we will make payment of the interest on any debt securities on any interest payment date
to the person in whose name the debt securities, or one or more predecessor securities, are registered at the close of business on the regular record date for the interest. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will pay principal of and any premium and interest on the debt securities of a particular series at the office of the paying agents designated by us,
except that unless we otherwise indicate in the applicable prospectus supplement, we will make interest payments by check that we will mail to the holder or by wire transfer to certain holders. Unless we otherwise indicate in the applicable
prospectus supplement, we will designate the corporate trust office of the trustee as our sole paying agent for payments with respect to debt securities of each series. We will name in the applicable prospectus supplement any other paying agents
that we initially designate for the debt securities of a particular series. We will maintain a paying agent in each place of payment for the debt securities of a particular series. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">All money we pay to a paying agent or the trustee for the payment of the principal of or any premium or interest on any debt securities that remains unclaimed
at the end of two years after such principal, premium or interest has become due and payable will be repaid to us, and the holder of the debt security thereafter may look only to us for payment thereof. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Governing Law </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The indenture and the debt securities will
be governed by and construed in accordance with the internal laws of the State of New York, except to the extent that the Trust Indenture Act is applicable. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Modification of Indenture; Waiver </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We and the trustee may
change an indenture without the consent of any holders with respect to specific matters: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to cure any ambiguity, defect or inconsistency in the indenture or in the debt securities of any series;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to comply with the provisions described above under &#147;Description of Debt Securities&#151;Consolidation,
Merger or Sale;&#148; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to provide for uncertificated debt securities in addition to or in place of certificated debt securities;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to add to our covenants, restrictions, conditions or provisions such new covenants, restrictions, conditions or
provisions for the benefit of the holders of all or any series of debt securities, to make the occurrence, or the occurrence and the continuance, of a default in any such additional covenants, restrictions, conditions or provisions an event of
default or to surrender any right or power conferred upon us in the indenture; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to add to, delete from or revise the conditions, limitations, and restrictions on the authorized amount, terms,
or purposes of issue, authentication and delivery of debt securities, as set forth in the indenture; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to make any change that does not adversely affect the interests of any holder of debt securities of any series in
any material respect; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to provide for the issuance of and establish the form and terms and conditions of the debt securities of any
series as provided above under &#147;Description of Debt Securities&#151;General&#148; to establish the form of any certifications required to be furnished pursuant to the terms of the indenture or any series of debt securities, or to add to the
rights of the holders of any series of debt securities; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to evidence and provide for the acceptance of appointment under any indenture by a successor trustee; or
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">to comply with any requirements of the SEC in connection with the qualification of any indenture under the Trust
Indenture Act. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">27 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In addition, under the indenture, the rights of holders of a series of debt securities may be changed by us
and the trustee with the written consent of the holders of at least a majority in aggregate principal amount of the outstanding debt securities of each series that is affected. However, unless we provide otherwise in the prospectus supplement
applicable to a particular series of debt securities, we and the trustee may make the following changes only with the consent of each holder of any outstanding debt securities affected: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">extending the fixed maturity of any debt securities of any series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">reducing the principal amount, reducing the rate of or extending the time of payment of interest, or reducing any
premium payable upon the redemption of any series of any debt securities; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">reducing the percentage of debt securities, the holders of which are required to consent to any amendment,
supplement, modification or waiver. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Discharge </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Each indenture provides that we can elect to be discharged from our obligations with respect to one or more series of debt securities, except for specified
obligations, including obligations to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">provide for payment; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">register the transfer or exchange of debt securities of the series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">replace stolen, lost or mutilated debt securities of the series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">pay principal of and premium and interest on any debt securities of the series; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">maintain paying agencies; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">hold monies for payment in trust; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">recover excess money held by the trustee; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">compensate and indemnify the trustee; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">appoint any successor trustee. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In order to exercise our rights to be discharged, we must deposit with the trustee money or government obligations sufficient to pay all the principal of, any
premium, if any, and interest on, the debt securities of the series on the dates payments are due. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Form, Exchange and Transfer </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will issue the debt securities of each series only in fully registered form without coupons and, unless we provide otherwise in the applicable prospectus
supplement, in denominations of $1,000 and any integral multiple thereof. The indenture provides that we may issue debt securities of a series in temporary or permanent global form and as book-entry securities that will be deposited with, or on
behalf of, The Depository Trust Company, or DTC, or another depositary named by us and identified in the applicable prospectus supplement with respect to that series. To the extent the debt securities of a series are issued in global form and as
book-entry, a description of terms relating to any book-entry securities will be set forth in the applicable prospectus supplement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">At the option of the
holder, subject to the terms of the indenture and the limitations applicable to global securities described in the applicable prospectus supplement, the holder of the debt securities of any series can exchange the debt securities for other debt
securities of the same series, in any authorized denomination and of like tenor and aggregate principal amount. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Subject to the terms of the indenture and
the limitations applicable to global securities set forth in the applicable prospectus supplement, holders of the debt securities may present the debt securities for exchange or for </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">28 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
registration of transfer, duly endorsed or with the form of transfer endorsed thereon duly executed if so required by us or the security registrar, at the office of the security registrar or at
the office of any transfer agent designated by us for this purpose. Unless otherwise provided in the debt securities that the holder presents for transfer or exchange, we will impose no service charge for any registration of transfer or exchange,
but we may require payment of any taxes or other governmental charges. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will name in the applicable prospectus supplement the security registrar, and
any transfer agent in addition to the security registrar, that we initially designate for any debt securities. We may at any time designate additional transfer agents or rescind the designation of any transfer agent or approve a change in the office
through which any transfer agent acts, except that we will be required to maintain a transfer agent in each place of payment for the debt securities of each series. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If we elect to redeem the debt securities of any series, we will not be required to: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">issue, register the transfer of, or exchange any debt securities of that series during a period beginning at the
opening of business 15 days before the day of mailing of a notice of redemption of any debt securities that may be selected for redemption and ending at the close of business on the day of the mailing; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">register the transfer of or exchange any debt securities so selected for redemption, in whole or in part, except
the unredeemed portion of any debt securities we are redeeming in part. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Information Concerning the Trustee </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The trustee, other than during the occurrence and continuance of an event of default under an indenture, undertakes to perform only those duties as are
specifically set forth in the applicable indenture. Upon an event of default under an indenture, the trustee must use the same degree of care as a prudent person would exercise or use in the conduct of his or her own affairs. Subject to this
provision, the trustee is under no obligation to exercise any of the powers given it by the indenture at the request of any holder of debt securities unless it is offered reasonable security and indemnity against the costs, expenses and liabilities
that it might incur. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Payment and Paying Agents </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless we otherwise indicate in the applicable prospectus supplement, we will make payment of the interest on any debt securities on any interest payment date
to the person in whose name the debt securities, or one or more predecessor securities, are registered at the close of business on the regular record date for the interest. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will pay principal of and any premium and interest on the debt securities of a particular series at the office of the paying agents designated by us,
except that unless we otherwise indicate in the applicable prospectus supplement, we will make interest payments by check that we will mail to the holder or by wire transfer to certain holders. Unless we otherwise indicate in the applicable
prospectus supplement, we will designate the corporate trust office of the trustee as our sole paying agent for payments with respect to debt securities of each series. We will name in the applicable prospectus supplement any other paying agents
that we initially designate for the debt securities of a particular series. We will maintain a paying agent in each place of payment for the debt securities of a particular series. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">All money we pay to a paying agent or the trustee for the payment of the principal of or any premium or interest on any debt securities that remains unclaimed
at the end of two years after such principal, premium or interest has become due and payable will be repaid to us, and the holder of the debt security thereafter may look only to us for payment thereof. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Governing Law </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The indenture and the debt securities will
be governed by and construed in accordance with the internal laws of the State of New York, except to the extent that the Trust Indenture Act of 1939 is applicable. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">29 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_9"></A>DESCRIPTION OF WARRANTS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The following description, together with the additional information we may include in any applicable prospectus supplement and free writing prospectus,
summarizes the material terms and provisions of the warrants that we may offer under this prospectus, which may consist of warrants to purchase common stock, preferred stock or debt securities and may be issued in one or more series. Warrants may be
offered independently or in combination with common stock, preferred stock or debt securities offered by any prospectus supplement. While the terms we have summarized below will apply generally to any warrants that we may offer under this
prospectus, we will describe the particular terms of any series of warrants in more detail in the applicable prospectus supplement. The following description of warrants will apply to the warrants offered by this prospectus unless we provide
otherwise in the applicable prospectus supplement. The applicable prospectus supplement for a particular series of warrants may specify different or additional terms. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We have filed forms of the warrant agreements and forms of warrant certificates containing the terms of the warrants that may be offered as exhibits to the
Registration Statement of which this prospectus is a part. We will file as exhibits to the Registration Statement of which this prospectus is a part, or will incorporate by reference from reports that we file with the SEC, the form of warrant and/or
the warrant agreement and warrant certificate, as applicable, that describes the terms of the particular series of warrants we are offering and any supplemental agreements, before the issuance of such warrants. The following summaries of material
terms and provisions of the warrants are subject to, and qualified in their entirety by reference to, all the provisions of the form of warrant and/or warrant agreement and warrant certificate, as applicable, and any supplemental agreements
applicable to a particular series of warrants that we may offer under this prospectus. We urge you to read the applicable prospectus supplement related to the particular series of warrants that we may offer under this prospectus, as well as any
related free writing prospectus, and the complete form of warrant and/or warrant agreement and warrant certificates, as applicable, and any supplemental agreements that contain the terms of the warrants. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>General </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We will describe in the applicable prospectus
supplement the terms of the series of warrants being offered, including: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the title of such securities; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the offering price or prices and aggregate number of warrants offered; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the currency or currencies for which the warrants may be purchased; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if applicable, the designation and terms of the securities with which the warrants are issued and the number of
warrants issued with each such security or each principal amount of such security; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if applicable, the date on and after which the warrants and the related securities will be separately
transferable; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if applicable, the minimum or maximum amount of such warrants which may be exercised at any one time;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">in the case of warrants to purchase debt securities, the principal amount of debt securities purchasable upon
exercise of one warrant and the price at which, and currency in which, this principal amount of debt securities may be purchased upon such exercise; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">in the case of warrants to purchase common stock or preferred stock, the number of shares of common stock or
preferred stock, as the case may be, purchasable upon the exercise of one warrant and the price at which, and the currency in which, these shares may be purchased upon such exercise; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the effect of any merger, consolidation, sale or other disposition of our business on the warrant agreements and
the warrants; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the terms of any rights to redeem or call the warrants; </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">30 </P>

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<Center><DIV STYLE="width:8.5in" align="left">

<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the terms of any rights to force the exercise of the warrants; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any provisions for changes to or adjustments in the exercise price or number of securities issuable upon exercise
of the warrants; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the dates on which the right to exercise the warrants will commence and expire; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the manner in which the warrant agreements and warrants may be modified; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">a discussion of any material or special U.S. federal income tax consequences of holding or exercising the
warrants; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the terms of the securities issuable upon exercise of the warrants; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any other specific terms, preferences, rights or limitations of or restrictions on the warrants.
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">Before exercising their warrants, holders of warrants will not have any of the rights of holders of the
securities purchasable upon such exercise, including: </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">in the case of warrants to purchase debt securities, the right to receive payments of principal of, or premium,
if any, or interest on, the debt securities purchasable upon exercise or to enforce covenants in the applicable indenture; or </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">in the case of warrants to purchase common stock or preferred stock, the right to receive dividends, if any, or,
payments upon our liquidation, dissolution or winding up or to exercise voting rights, if any. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Exercise of Warrants </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Each warrant will entitle the holder to purchase the securities that we specify in the applicable prospectus supplement at the exercise price that we describe
in the applicable prospectus supplement. The warrants may be exercised as set forth in the prospectus supplement relating to the warrants offered. Unless we otherwise specify in the applicable prospectus supplement, the warrants may be exercised at
any time up to the specified time on the expiration date that we set forth in the applicable prospectus supplement relating to the warrants offered thereby. After the close of business on the expiration date, unexercised warrants will become void.
</P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Upon receipt of payment and the warrant or warrant certificate, as applicable, properly completed and duly executed at the corporate trust office of the
warrant agent, if any, or any other office indicated in the applicable prospectus supplement, we will, as soon as practicable, issue and deliver the securities purchasable upon such exercise. If less than all of the warrants (or the warrants
represented by such warrant certificate) are exercised, then we will issue a new warrant or warrant certificate, as applicable, for the remaining warrants. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Governing Law </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless we otherwise specify in the
applicable prospectus supplement, the warrants and any warrant agreements will be governed by and construed in accordance with the laws of the State of New York. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Enforceability of Rights By Holders of Warrants </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Each
warrant agent, if any, will act solely as our agent under the applicable warrant agreement and will not assume any obligation or relationship of agency or trust with any holder of any warrant. A single bank or trust company may act as warrant agent
for more than one issue of warrants. A warrant agent will have no duty or responsibility in case of any default by us under the applicable warrant agreement or warrant, including any duty or responsibility to initiate any proceedings at law or
otherwise, or to make any demand upon us. Any holder of a warrant may, without the consent of the related warrant agent or the holder of any other warrant, enforce by appropriate legal action its right to exercise, and receive the securities
purchasable upon exercise of, its warrants. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">31 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_10"></A>LEGAL OWNERSHIP OF SECURITIES </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may issue securities in registered form or in the form of one or more global securities. We describe global securities in greater detail below. We refer to
those persons who have securities registered in their own names on the books that we or any applicable trustee, depositary or warrant agent maintain for this purpose as the &#147;holders&#148; of those securities. These persons are the legal holders
of the securities. We refer to those persons who, indirectly through others, own beneficial interests in securities that are not registered in their own names, as &#147;indirect holders&#148; of those securities. As we discuss below, indirect
holders are not legal holders, and investors in securities issued in book-entry form or in street name will be indirect holders. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Book-Entry Holders
</B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may issue securities in book-entry form only, as we will specify in the applicable prospectus supplement. This means securities may be represented
by one or more global securities registered in the name of a financial institution that holds them as depositary on behalf of other financial institutions that participate in the depositary&#146;s book-entry system. These participating institutions,
which are referred to as participants, in turn, hold beneficial interests in the securities on behalf of themselves or their customers. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Only the person
in whose name a security is registered is recognized as the holder of that security. Securities issued in global form will be registered in the name of the depositary or its participants. Consequently, for securities issued in global form, we will
recognize only the depositary as the holder of the securities, and we will make all payments on the securities to the depositary. The depositary passes along the payments it receives to its participants, which in turn pass the payments along to
their customers who are the beneficial owners. The depositary and its participants do so under agreements they have made with one another or with their customers; they are not obligated to do so under the terms of the securities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">As a result, investors in a book-entry security will not own securities directly. Instead, they will own beneficial interests in a global security, through a
bank, broker or other financial institution that participates in the depositary&#146;s book-entry system or holds an interest through a participant. As long as the securities are issued in global form, investors will be indirect holders, and not
holders, of the securities. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Street Name Holders </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We
may terminate a global security or issue securities in <FONT STYLE="white-space:nowrap">non-global</FONT> form. In these cases, investors may choose to hold their securities in their own names or in &#147;street name.&#148; Securities held by an
investor in street name would be registered in the name of a bank, broker or other financial institution that the investor chooses, and the investor would hold only a beneficial interest in those securities through an account he or she maintains at
that institution. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">For securities held in street name, we will recognize only the intermediary banks, brokers and other financial institutions in whose
names the securities are registered as the holders of those securities, and we will make all payments on those securities to them. These institutions pass along the payments they receive to their customers who are the beneficial owners, but only
because they agree to do so in their customer agreements or because they are legally required to do so. Investors who hold securities in street name will be indirect holders, not holders, of those securities. </P>
<P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Legal Holders </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Our obligations, as well as the
obligations of any applicable trustee and of any third parties employed by us or a trustee, run only to the legal holders of the securities. We do not have obligations to investors who hold beneficial interests in global securities, in street name
or by any other indirect means. This will be the case whether an investor chooses to be an indirect holder of a security or has no choice because we are issuing the securities only in global form. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">32 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">For example, once we make a payment or give a notice to the holder, we have no further responsibility for
the payment or notice even if that holder is required, under agreements with depositary participants or customers or by law, to pass it along to the indirect holders but does not do so. Similarly, we may want to obtain the approval of the holders to
amend an indenture, to relieve us of the consequences of a default or of our obligation to comply with a particular provision of the indenture, or for other purposes. In such an event, we would seek approval only from the holders, and not the
indirect holders, of the securities. Whether and how the holders contact the indirect holders is up to the holders. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Special Considerations for
Indirect Holders </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If you hold securities through a bank, broker or other financial institution, either in book-entry form or in street name, you should
check with your own institution to find out: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the performance of third-party service providers; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">how it handles securities payments and notices; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">whether it imposes fees or charges; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">how it would handle a request for the holders&#146; consent, if ever required; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">whether and how you can instruct it to send you securities registered in your own name so you can be a holder, if
that is permitted in the future; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">how it would exercise rights under the securities if there were a default or other event triggering the need for
holders to act to protect their interests; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the securities are in book-entry form, how the depositary&#146;s rules and procedures will affect these
matters. </P></TD></TR></TABLE> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Global Securities </B></P> <P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">A
global security is a security that represents one or any other number of individual securities held by a depositary. Generally, all securities represented by the same global securities will have the same terms. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Each security issued in book-entry form will be represented by a global security that we deposit with and register in the name of a financial institution or
its nominee that we select. The financial institution that we select for this purpose is called the depositary. Unless we specify otherwise in the applicable prospectus supplement, DTC will be the depositary for all securities issued in book-entry
form. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">A global security may not be transferred to or registered in the name of anyone other than the depositary, its nominee or a successor depositary,
unless special termination situations arise. We describe those situations below under the heading &#147;-Special Situations When A Global Security Will Be Terminated&#148; in this prospectus. As a result of these arrangements, the depositary, or its
nominee, will be the sole registered owner and holder of all securities represented by a global security, and investors will be permitted to own only beneficial interests in a global security. Beneficial interests must be held by means of an account
with a broker, bank or other financial institution that in turn has an account with the depositary or with another institution that does. Thus, an investor whose security is represented by a global security will not be a holder of the security, but
only an indirect holder of a beneficial interest in the global security. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If the prospectus supplement for a particular security indicates that the
security will be issued in global form only, then the security will be represented by a global security at all times unless and until the global security is terminated. If termination occurs, we may issue the securities through another book-entry
clearing system or decide that the securities may no longer be held through any book-entry clearing system. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">33 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Special Considerations for Global Securities </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The rights of an indirect holder relating to a global security will be governed by the account rules of the investor&#146;s financial institution and of the
depositary, as well as general laws relating to securities transfers. We do not recognize an indirect holder as a holder of securities and instead deal only with the depositary that holds the global security. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If securities are issued only in the form of a global security, an investor should be aware of the following: </P>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an investor cannot cause the securities to be registered in his or her name, and cannot obtain <FONT
STYLE="white-space:nowrap">non-global</FONT> certificates for his or her interest in the securities, except in the special situations we describe below; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
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<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an investor will be an indirect holder and must look to his or her own bank or broker for payments on the
securities and protection of his or her legal rights relating to the securities, as we describe above; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an investor may not be able to sell interests in the securities to some insurance companies and to other
institutions that are required by law to own their securities in <FONT STYLE="white-space:nowrap">non-book-entry</FONT> form; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">an investor may not be able to pledge his or her interest in the global security in circumstances where
certificates representing the securities must be delivered to the lender or other beneficiary of the pledge in order for the pledge to be effective; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the depositary&#146;s policies, which may change from time to time, will govern payments, transfers, exchanges
and other matters relating to an investor&#146;s interest in the global security; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">we and any applicable trustee have no responsibility for any aspect of the depositary&#146;s actions or for its
records of ownership interests in the global security, nor will we or any applicable trustee supervise the depositary in any way; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the depositary may, and we understand that DTC will, require that those who purchase and sell interests in the
global security within its book-entry system use immediately available funds, and your broker or bank may require you to do so as well; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">financial institutions that participate in the depositary&#146;s book-entry system, and through which an investor
holds its interest in the global security, may also have their own policies affecting payments, notices and other matters relating to the securities. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">There may be more than one financial intermediary in the chain of ownership for an investor. We do not monitor and are not responsible for the actions of any
of those intermediaries. </P> <P STYLE="margin-top:18pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman"><B>Special Situations when a Global Security will be Terminated </B></P>
<P STYLE="margin-top:6pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In a few special situations described below, a global security will terminate and interests in it will be exchanged for physical certificates representing
those interests. After that exchange, the choice of whether to hold securities directly or in street name will be up to the investor. Investors must consult their own banks or brokers to find out how to have their interests in securities transferred
to their own name, so that they will be direct holders. We have described the rights of holders and street name investors above. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Unless we provide
otherwise in the applicable prospectus supplement, a global security will terminate when the following special situations occur: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if the depositary notifies us that it is unwilling, unable or no longer qualified to continue as depositary for
that global security and we do not appoint another institution to act as depositary within 90 days; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if we notify any applicable trustee that we wish to terminate that global security; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">if an event of default has occurred with regard to securities represented by that global security and has not
been cured or waived. </P></TD></TR></TABLE>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">34 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The applicable prospectus supplement may also list additional situations for terminating a global security
that would apply only to the particular series of securities covered by the applicable prospectus supplement. When a global security terminates, the depositary, and neither we nor any applicable trustee, is responsible for deciding the names of the
institutions that will be the initial direct holders. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">35 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_11"></A>PLAN OF DISTRIBUTION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may sell the securities from time to time pursuant to underwritten public offerings, direct sales to the public, &#147;at the market offerings&#148;,
negotiated transactions, block trades or a combination of these methods. We may sell the securities to or through underwriters or dealers, through agents, or directly to one or more purchasers. We may distribute securities from time to time in one
or more transactions: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">at a fixed price or prices, which may be changed from time to time; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">at market prices prevailing at the time of sale; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">at prices related to such prevailing market prices; or </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">at negotiated prices. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">A prospectus supplement or supplements (and any related free writing prospectus that we may authorize to be provided to you) will describe the terms of the
offering of the securities, including, to the extent applicable: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the name or names of the underwriters, if any; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the amounts of securities underwritten or purchased by each of them; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the purchase price of the securities or other consideration therefor, and the proceeds, if any, we will receive
from the sale; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any over-allotment or other options under which underwriters may purchase additional securities from us;
</P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any agency fees or underwriting discounts and other items constituting agents&#146; or underwriters&#146;
compensation; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any public offering price; </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any discounts or concessions allowed or reallowed or paid to dealers; and </P></TD></TR></TABLE>
<P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">any securities exchange or market on which the securities may be listed. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Only underwriters named in the prospectus supplement will be underwriters of the securities offered by the prospectus supplement. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">If underwriters are used in the sale, they will acquire the securities for their own account and may resell the securities from time to time in one or more
transactions at a fixed public offering price or at varying prices determined at the time of sale. The obligations of the underwriters to purchase the securities will be subject to the conditions set forth in the applicable underwriting agreement.
We may offer the securities to the public through underwriting syndicates represented by managing underwriters or by underwriters without a syndicate. Subject to certain conditions, the underwriters will be obligated to purchase all of the
securities offered by the prospectus supplement, other than securities covered by any over-allotment or other option. Any public offering price and any discounts or concessions allowed or reallowed or paid to dealers may change from time to time. We
may use underwriters with whom we have a material relationship. We will describe in the prospectus supplement, naming the underwriter, the nature of any such relationship. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may sell securities directly or through agents we designate from time to time. We will name any agent involved in the offering and sale of securities and
we will describe any commissions we will pay the agent in an applicable prospectus supplement. Unless the prospectus supplement states otherwise, our agent will act on a best-efforts basis for the period of its appointment. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may authorize agents or underwriters to solicit offers by certain types of institutional investors to purchase securities from us at the public offering
price set forth in an applicable prospectus supplement pursuant to </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">36 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">
delayed delivery contracts providing for payment and delivery on a specified date in the future. We will describe the conditions to these contracts and the commissions we must pay for
solicitation of these contracts in the prospectus supplement. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We may provide agents and underwriters with indemnification against civil liabilities,
including liabilities under the Securities Act, or contribution with respect to payments that the agents or underwriters may make with respect to these liabilities. Agents and underwriters may engage in transactions with, or perform services for, us
in the ordinary course of business. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">All securities we may offer, other than common stock, will be new issues of securities with no established trading
market. Any underwriters may make a market in these securities, but will not be obligated to do so and may discontinue any market making at any time without notice. We cannot guarantee the liquidity of the trading markets for any securities. </P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Any underwriter may engage in over-allotment, stabilizing transactions, short-covering transactions and penalty bids in accordance with Regulation M under the
Exchange Act. Over-allotment involves sales in excess of the offering size, which create a short position. Stabilizing transactions permit bids to purchase the underlying security so long as the stabilizing bids do not exceed a specified maximum
price. Syndicate-covering or other short-covering transactions involve purchases of the securities, either through exercise of the over-allotment option or in the open market after the distribution is completed, to cover short positions. Penalty
bids permit the underwriters to reclaim a selling concession from a dealer when the securities originally sold by the dealer are purchased in a stabilizing or covering transaction to cover short positions. Those activities may cause the price of the
securities to be higher than it would otherwise be. If commenced, the underwriters may discontinue any of the activities at any time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">Any underwriters or
agents that are qualified market makers on the Nasdaq Global Market may engage in passive market making transactions in the common stock on the Nasdaq Global Market in accordance with Regulation M under the Exchange Act, during the business day
prior to the pricing of the offering, before the commencement of offers or sales of the common stock. Passive market makers must comply with applicable volume and price limitations and must be identified as passive market makers. In general, a
passive market maker must display its bid at a price not in excess of the highest independent bid for such security; if all independent bids are lowered below the passive market maker&#146;s bid, however, the passive market maker&#146;s bid must
then be lowered when certain purchase limits are exceeded. Passive market making may stabilize the market price of the securities at a level above that which might otherwise prevail in the open market and, if commenced, may be discontinued at any
time. </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">In compliance with guidelines of the Financial Industry Regulatory Authority, or FINRA, the maximum consideration or discount to be received by any
FINRA member or independent broker dealer may not exceed 8% of the aggregate amount of the securities offered pursuant to this prospectus and any applicable prospectus supplement. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">37 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_12"></A>LEGAL MATTERS </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The validity of the securities being offered hereby will be passed upon for us by Cooley LLP, Palo Alto, California. </P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_13"></A>EXPERTS </B></P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The
financial statements incorporated in this Prospectus by reference from the Company&#146;s Annual Report on Form <FONT STYLE="white-space:nowrap">10-K</FONT> have been audited by Deloitte&nbsp;&amp; Touche LLP, an independent registered public
accounting firm, as stated in their report, which is incorporated herein by reference. Such financial statements have been so incorporated in reliance upon the reports of such firm given upon their authority as experts in accounting and auditing.
</P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_14"></A>WHERE YOU CAN FIND MORE INFORMATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">This prospectus is part of the registration statement on <FONT STYLE="white-space:nowrap">Form&nbsp;S-3&nbsp;we</FONT> filed with the SEC under the Securities
Act and does not contain all the information set forth in the registration statement. Whenever a reference is made in this prospectus to any of our contracts, agreements or other documents, the reference may not be complete and you should refer to
the exhibits that are a part of the registration statement or the exhibits to the reports or other documents incorporated by reference into this prospectus for a copy of such contract, agreement or other document. Because we are subject to the
information and reporting requirements of the Exchange Act, we file annual, quarterly and current reports, proxy statements and other information with the SEC. Our SEC filings are available to the public over the Internet at the SEC&#146;s website
at http://www.sec.gov. </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">38 </P>

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 <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B><A NAME="roma171227_15"></A>INCORPORATION OF CERTAIN INFORMATION BY REFERENCE </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">The SEC allows us to incorporate by reference information from other documents that we file with it, which means that we can disclose important information to
you by referring you to those documents. The information incorporated by reference is considered to be part of this prospectus. Information in this prospectus supersedes information incorporated by reference that we filed with the SEC prior to the
date of this prospectus, while information that we file later with the SEC will automatically update and supersede the information in this prospectus. We incorporate by reference into this prospectus and the registration statement of which this
prospectus is a part the information or documents listed below that we have filed with the SEC: </P> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">our Annual Report on <A HREF="http://www.sec.gov/Archives/edgar/data/../../../ix?doc=/Archives/edgar/data/791908/000155837021002676/tmb-20201231x10k.htm">Form
 <FONT STYLE="white-space:nowrap">10-K</FONT></A> for the year ended December&nbsp;31, 2020, filed with the SEC on March&nbsp;10, 2021, including the information specifically incorporated by reference therein from our definitive proxy statement to
be filed with the SEC; </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the description of our capital stock included under the caption &#147;Description of Capital Stock&#148; in
the&nbsp;<A HREF="http://www.sec.gov/Archives/edgar/data/791908/000095016211000262/prosp424b3.htm">prospectus</A> dated December&nbsp;16, 2011, which was filed on December&nbsp;19, 2011, and is part of our registration statement on&nbsp;
<A HREF="http://www.sec.gov/Archives/edgar/data/791908/000095016211000255/forms4_a.htm"><FONT STYLE="white-space:nowrap">Form&nbsp;S-4/A</FONT></A>&nbsp;filed on December&nbsp;13, 2011 (registration no.
<FONT STYLE="white-space:nowrap">333-177165),</FONT> including any amendment or report for the purpose of updating such description; and </P></TD></TR></TABLE> <P STYLE="font-size:6pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" BORDER="0" CELLPADDING="0" CELLSPACING="0" WIDTH="100%">
<TR style = "page-break-inside:avoid">
<TD WIDTH="5%">&nbsp;</TD>
<TD WIDTH="3%" VALIGN="top" ALIGN="left">&#149;</TD>
<TD WIDTH="1%" VALIGN="top">&nbsp;</TD>
<TD ALIGN="left" VALIGN="top"> <P ALIGN="left" STYLE=" margin-top:0pt ; margin-bottom:0pt; font-family:Times New Roman; font-size:10pt">the description of our series A preferred stock set forth in our registration statement on <A HREF="http://www.sec.gov/Archives/edgar/data/791908/000119312520316017/d37371d8a12b.htm">Form
 <FONT STYLE="white-space:nowrap">8-A</FONT></A>, filed with the SEC on December&nbsp;11, 2020, including any amendment or report filed for the purpose of updating such description. </P></TD></TR></TABLE>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman">We also incorporate by reference any future filings (other than current reports furnished under Item 2.02 or Item&nbsp;7.01 of
<FONT STYLE="white-space:nowrap">Form&nbsp;8-K&nbsp;and</FONT> exhibits filed on such form that are related to such items unless such <FONT STYLE="white-space:nowrap">Form&nbsp;8-K&nbsp;expressly</FONT> provides to the contrary) made with the SEC
pursuant to Sections 13(a), 13(c), 14 or 15(d) of the Exchange Act, including those made after the date of the initial filing of the registration statement of which this prospectus is a part and prior to effectiveness of such registration statement,
until we file a post-effective amendment that indicates the termination of the offering of the securities made by this prospectus, which will become a part of this prospectus from the date that such documents are filed with the SEC. Information in
such future filings updates and supplements the information provided in this prospectus. Any statements in any such future filings will automatically be deemed to modify and supersede any information in any document we previously filed with the SEC
that is incorporated or deemed to be incorporated herein by reference to the extent that statements in the later-filed document modify or replace such earlier statements. We will furnish without charge to each person, including any beneficial owner,
to whom a prospectus is delivered, upon written or oral request, a copy of any or all of the documents incorporated by reference into this prospectus but not delivered with the prospectus, including exhibits that are specifically incorporated by
reference into such documents. You should direct any requests for documents to: </P> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">XOMA Corporation </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">2200 Powell Street, Suite 310 </P>
<P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Emeryville, California 94608 </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">(510)
<FONT STYLE="white-space:nowrap">204-7200</FONT> </P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">Attn: Chief Financial Officer </P>
 <p STYLE="margin-top:0pt;margin-bottom:0pt ; font-size:8pt">&nbsp;</P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center">39 </P>

</DIV></Center>


<p style="margin-top:1em; margin-bottom:0em; page-break-before:always">
<HR SIZE="3" style="COLOR:#999999" WIDTH="100%" ALIGN="CENTER">
<h5 align="left"><a href="#toc">Table of Contents</a></h5>


<Center><DIV STYLE="width:8.5in" align="left">
 <P STYLE="line-height:2.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:2.00pt solid #000000">&nbsp;</P>
<P STYLE="line-height:3.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="font-size:36pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P> <P STYLE="margin-top:0pt;margin-bottom:0pt" ALIGN="center">


<IMG SRC="g171227g68y89.jpg" ALT="LOGO">
 </P> <P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:24pt; font-family:Times New Roman" ALIGN="center"><B>XOMA CORPORATION </B></P>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:14pt; font-family:Times New Roman" ALIGN="center"><B>1,400,000 Depositary Shares </B></P>
<P STYLE="margin-top:24pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>Each Representing 1/1000<SUP STYLE="font-size:85%; vertical-align:top">th</SUP> of a Share of 8.375% Series B Cumulative Perpetual Preferred
Stock </B></P> <P STYLE="margin-top:0pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>(Liquidation Preference Equivalent to $25.00 Per Depositary Share) </B></P>
<P STYLE="font-size:72pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B>PROSPECTUS SUPPLEMENT </B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:72pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B><I>Joint
Book-Runners </I></B></P> <P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="19%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="24%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="22%"></TD></TR>


<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>B.&nbsp;Riley&nbsp;Securities</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>National&nbsp;Securities&nbsp;Corporation</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>Ladenburg&nbsp;Thalmann</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right"><B>William&nbsp;Blair&nbsp;&amp;&nbsp;Company</B></TD></TR></TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center>
<P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center> <P STYLE="margin-top:12pt; margin-bottom:0pt; font-size:12pt; font-family:Times New Roman" ALIGN="center"><B><I><FONT
STYLE="white-space:nowrap">Co-Managers</FONT> </I></B></P> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="100%" BORDER="0" STYLE="BORDER-COLLAPSE:COLLAPSE; font-family:Times New Roman; font-size:10pt" ALIGN="center">


<TR>

<TD WIDTH="18%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="32%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="18%"></TD>

<TD VALIGN="bottom" WIDTH="1%"></TD>
<TD WIDTH="29%"></TD></TR>

<TR STYLE="page-break-inside:avoid ; font-family:Times New Roman; font-size:10pt">
<TD VALIGN="top"> <P STYLE=" margin-top:0pt ; margin-bottom:0pt; margin-left:1.00em; text-indent:-1.00em; font-size:10pt; font-family:Times New Roman"><B>Aegis&nbsp;Capital&nbsp;Corp.</B></P></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>Boenning&nbsp;&amp;&nbsp;Scattergood</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" NOWRAP ALIGN="center"><B>Incapital</B></TD>
<TD VALIGN="bottom">&nbsp;</TD>
<TD VALIGN="bottom" ALIGN="right"><B>Northland&nbsp;Capital&nbsp;Markets</B></TD></TR>
</TABLE> <P STYLE="font-size:12pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P><center> <P STYLE="line-height:6.0pt;margin-top:0pt;margin-bottom:2pt;border-bottom:1.00pt solid #000000;width:21%">&nbsp;</P></center>
<P STYLE="margin-top:72pt; margin-bottom:0pt; font-size:10pt; font-family:Times New Roman" ALIGN="center"><B>April 6, 2021 </B></P> <P STYLE="font-size:24pt;margin-top:0pt;margin-bottom:0pt">&nbsp;</P>
<P STYLE="line-height:1.0pt;margin-top:0pt;margin-bottom:0pt;border-bottom:1px solid #000000">&nbsp;</P> <P STYLE="line-height:4.5pt;margin-top:0pt;margin-bottom:2pt;border-bottom:2.00pt solid #000000">&nbsp;</P>
</DIV></Center>

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end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
