<SEC-DOCUMENT>0001144204-13-051455.txt : 20130918
<SEC-HEADER>0001144204-13-051455.hdr.sgml : 20130918
<ACCEPTANCE-DATETIME>20130918172221
ACCESSION NUMBER:		0001144204-13-051455
CONFORMED SUBMISSION TYPE:	8-K
PUBLIC DOCUMENT COUNT:		6
CONFORMED PERIOD OF REPORT:	20130912
ITEM INFORMATION:		Entry into a Material Definitive Agreement
ITEM INFORMATION:		Creation of a Direct Financial Obligation or an Obligation under an Off-Balance Sheet Arrangement of a Registrant
ITEM INFORMATION:		Unregistered Sales of Equity Securities
ITEM INFORMATION:		Other Events
ITEM INFORMATION:		Financial Statements and Exhibits
FILED AS OF DATE:		20130918
DATE AS OF CHANGE:		20130918

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Protalix BioTherapeutics, Inc.
		CENTRAL INDEX KEY:			0001006281
		STANDARD INDUSTRIAL CLASSIFICATION:	BIOLOGICAL PRODUCTS (NO DIAGNOSTIC SUBSTANCES) [2836]
		IRS NUMBER:				650643773
		STATE OF INCORPORATION:			FL
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		8-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-33357
		FILM NUMBER:		131104174

	BUSINESS ADDRESS:	
		STREET 1:		2 SNUNIT ST
		STREET 2:		SCIENCE PARK, POB 455
		CITY:			CARMIEL
		STATE:			L3
		ZIP:			20100
		BUSINESS PHONE:		972-4-988-9488

	MAIL ADDRESS:	
		STREET 1:		2 SNUNIT ST
		STREET 2:		SCIENCE PARK, POB 455
		CITY:			CARMIEL
		STATE:			L3
		ZIP:			20100

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	ORTHODONTIX INC
		DATE OF NAME CHANGE:	19980422

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	EMBASSY ACQUISITION CORP
		DATE OF NAME CHANGE:	19960124
</SEC-HEADER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>v355360_8k.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<P STYLE="margin-top: 0; text-align: center; margin-bottom: 0"><B>&nbsp;</B></P>

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Date of Report (Date of Earliest Event
Reported): September 12, 2013</B></P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Exact name of registrant as specified
in its charter)</B></P>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; width: 33%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Florida</B></FONT></TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="text-align: center; width: 32%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>001-33357</B></FONT></TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="text-align: center; width: 33%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>65-0643773</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(State or other jurisdiction</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>of incorporation)</B></P></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>(Commission File Number)</B></FONT></TD>
    <TD>&nbsp;</TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(IRS Employer</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Identification No.)</B></P></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center; width: 48%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>2 Snunit Street</B></FONT></TD>
    <TD STYLE="width: 4%">&nbsp;</TD>
    <TD STYLE="text-align: center; width: 48%"><B>20100</B></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Science Park, POB 455</B></FONT></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>Carmiel, Israel</B></FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B></B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>(Address of principal executive offices)</B></FONT></TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>(Zip Code)</B></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Registrant&rsquo;s telephone number,
including area code +972-4-988-9488</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>(Former name or former address, if changed
since last report.)</B></P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;Check the appropriate box below if
the Form 8-K filing is intended to simultaneously satisfy the filing obligation of the registrant under any of the following provisions
(see General Instruction A.2. below):</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD><FONT STYLE="font-family: Times New Roman, Times, Serif">Written communications pursuant to Rule 425 under the Securities Act
(17 CFR 230.425)</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD><FONT STYLE="font-family: Times New Roman, Times, Serif">Soliciting material pursuant to Rule 14a-12 under the Exchange Act
(17 CFR 240.14a-12)</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD><FONT STYLE="font-family: Times New Roman, Times, Serif">Pre-commencement communications pursuant to Rule 14d-2(b) under the
Exchange Act (17 CFR 240.14d-2(b))</FONT></TD></TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in"><FONT STYLE="font-family: Wingdings">&uml;</FONT></TD><TD><FONT STYLE="font-family: Times New Roman, Times, Serif">Pre-commencement communications pursuant to Rule 13e-4(c) under the
Exchange Act (17 CFR 240.13e-4(c))</FONT></TD></TR></TABLE>

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

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

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

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


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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">On September 12, 2013, in connection with a previously
announced private offering, Protalix BioTherapeutics, Inc. (the &ldquo;Company&rdquo;) entered into a purchase agreement (the
&ldquo;Purchase Agreement&rdquo;) with Citigroup Capital Markets Inc. (the &ldquo;Initial Purchaser&rdquo;) relating to the
sale by the Company of $60 million aggregate principal amount of 4.50% Convertible Notes due 2018 (the &ldquo;Notes&rdquo;),
which agreement includes an option to purchase an additional $9 million aggregate principal amount of Notes, in a private
placement to &ldquo;qualified institutional buyers&rdquo; in the United States defined in Rule 144A under the Securities Act
of 1933, as amended (the &ldquo;Securities Act&rdquo;). The initial purchaser has exercised its option in full. The Purchase
Agreement contains customary representations, warranties and covenants by the Company together with customary closing
conditions. Under the terms of the Purchase Agreement, the Company has agreed to indemnify the Initial Purchasers against
certain liabilities. The description of the Purchase Agreement contained in this Current Report on Form 8-K is qualified in
its entirety by reference to the complete text of the Purchase Agreement, a copy of which is filed as Exhibit 10.1 and
incorporated herein by reference. The offering of the Notes was completed on September 18, 2013, in accordance with the terms
of the Purchase Agreement.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The sale of the Notes generated net proceeds of approximately
$66.8 million after deducting the initial purchaser&rsquo;s discount and commission and the estimated offering expenses payable
by the Company. The Company intends to use the net proceeds from this offering to fund clinical trials for its product candidates,
to fund its research and development activities, to enhance its manufacturing capacity and for working capital and general corporate
purposes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The Notes were issued pursuant to an Indenture, dated September
18, 2013 (the &ldquo;Indenture&rdquo;), between the Company and The Bank of New York Mellon Trust Company, N.A., as trustee. The
Notes mature on September 15, 2018, unless earlier converted, redeemed or repurchased. The Company will pay interest on the Notes
at an annual rate of 4.50% payable in cash semiannually in arrears on March 15 and September 15 of each year, beginning March 15,
2014. Holders may surrender their notes for conversion at any time prior to the close of business on the business day immediately
preceding the stated maturity date. The initial conversion rate for the Notes is 173.6593 shares of the Company&rsquo;s common
stock for each $1,000 principal amount of Notes (equivalent to an initial conversion price of approximately $5.76 per share of
Company common stock). The conversion rate for the notes is subject to adjustment as described in the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Holders may require us to purchase for cash all or any portion
of their notes upon the occurrence of a fundamental change at the fundamental change purchase price which is equal to 100% of the
principal amount of the notes being purchased, plus accrued and unpaid interest to, but excluding, the fundamental change purchase
date. For the definition of &lsquo;&lsquo;fundamental change&rsquo;&rsquo; and related information, see the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The Indenture provides for customary events of default, including
payment defaults, breaches of covenants, failure to pay certain judgments and certain events of bankruptcy, insolvency and reorganization.
If an event of default occurs and is continuing, the principal amount of the Notes, plus accrued and unpaid interest, if any, may
be declared immediately due and payable. These amounts automatically become due and payable if an event of default relating to
certain events of bankruptcy, insolvency or reorganization occurs.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The Company offered and sold the Notes to the initial purchaser
in reliance on the exemption from registration provided by Section 4(a)(2) of the Securities Act of 1933, as amended (the &ldquo;Securities
Act&rdquo;), for resale by the initial purchasers to qualified institutional buyers (as defined in the Securities Act) pursuant
to the exemption from registration provided by Rule 144A under the Securities Act. The Company relied on these exemptions from
registration based in part on representations made by the initial purchaser in the purchase agreement executed in connection with
the sale of the Notes.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The foregoing description of the Indenture and the Notes does
not purport to be complete and is qualified in its entirety by reference to the full text of the Indenture and the Form of the
4.50% Convertible Notes due 2013, filed as Exhibit 4.1 and Exhibit 4.2, respectively hereto and incorporated herein by reference.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Neither the Notes nor the common stock that may be issued upon
conversion thereof will be registered under the Securities Act. Neither the Notes nor the common stock that may be issued upon
conversion thereof may be offered or sold in the United States absent registration or an applicable exemption from the registration
requirements of the Securities Act. This Current Report on Form 8-K does not constitute an offer to sell, or a solicitation of
an offer to buy, any security and shall not constitute an offer, solicitation or sale in any jurisdiction in which such offer,
solicitation or sale would be unlawful.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 2.03. Creation of a Direct Financial Obligation or an
Obligation under an Off-Balance Sheet Arrangement of a Registrant</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information set forth under Item 1.01 of this Current Report
is incorporated herein by reference.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 3.02. Unregistered Sale of Equity Securities</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The information set forth under Item 1.01 of this Current Report
is incorporated herein by reference.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 8.01. Other Events</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">On September 18, 2013, the Company issued a press release announcing
the completion of the offering. A copy of the press release is attached as Exhibit 99.1 to this Current Report and incorporated
herein by reference.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Item 9.01. Financial Statements and Exhibits</B></P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4.1<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>Indenture, dated
as of September 18, 2013, between Protalix BioTherapeutics, Inc. and The Bank of New York Mellon Trust Company, N.A., as Trustee.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">4.2<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>Form of 4.50%
Convertible Notes due 2018</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">10.1<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>Purchase Agreement,
dated of September 12, 2013 between Protalix BioTherapeutics, Inc. and Citigroup Capital Markets Inc.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">99.1<B>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</B>Press release
dated September 18, 2013.</P>

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


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

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

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

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

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

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    <TD>&nbsp;</TD>
    <TD COLSPAN="2"><FONT STYLE="font: 10pt Times New Roman, Times, Serif"><B>PROTALIX BIOTHERAPEUTICS, INC.</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Date: September 18, 2013</FONT></TD>
    <TD STYLE="width: 6%"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">By:</FONT></TD>
    <TD STYLE="width: 44%; border-bottom: Black 1pt solid"><FONT STYLE="font: 10pt Times New Roman, Times, Serif">/s/ David Aviezer, Ph.D.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Name:</FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">David Aviezer, Ph.D.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">Title: </FONT></TD>
    <TD><FONT STYLE="font: 10pt Times New Roman, Times, Serif">President and Chief Executive Officer</FONT></TD></TR>
</TABLE>
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<TYPE>EX-4.1
<SEQUENCE>2
<FILENAME>v355360_ex4-1.htm
<DESCRIPTION>EXHIBIT 4.1
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-weight: normal">Protalix
BioTherapeutics, Inc.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-weight: normal">(Company)</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-weight: normal">The Bank
of New York Mellon Trust Company, N.A.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-weight: normal">(Trustee)</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-weight: normal">4.50%
Convertible Senior Notes due 2018</FONT></P>

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center"><FONT STYLE="font-weight: normal">Dated
as of September 18, 2013&nbsp;</FONT></P>

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<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 1. DEFINITIONS AND OTHER PROVISIONS OF GENERAL APPLICATION</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">1</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD STYLE="width: 15%">&nbsp;</TD>
    <TD STYLE="width: 81%">&nbsp;</TD>
    <TD STYLE="width: 4%; text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 1.01</TD>
    <TD>Definitions</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">1</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 1.02</TD>
    <TD>References to Interest</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">12</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 1.03</TD>
    <TD>Acts of Holders</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">12</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 2. The Notes</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">14</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 2.01</TD>
    <TD>Title and Terms; Payments</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">14</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 2.02</TD>
    <TD>Ranking</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 2.03</TD>
    <TD>Denominations</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 2.04</TD>
    <TD>Execution, Authentication, Delivery and Dating</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 2.05</TD>
    <TD>Temporary Notes</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">15</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 2.06</TD>
    <TD>Registration; Registration of Transfer and Exchange</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">16</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 2.07</TD>
    <TD>Transfer Restrictions</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">17</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 2.08</TD>
    <TD>Expiration of Restrictions</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">19</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 2.09</TD>
    <TD>Mutilated, Destroyed, Lost and Stolen Notes</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">21</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 2.10</TD>
    <TD>Persons Deemed Owners</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">21</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 2.11</TD>
    <TD>Transfer and Exchange</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">21</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 2.12</TD>
    <TD>Purchase of Notes; Cancellation</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 2.13</TD>
    <TD>CUSIP Numbers</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">25</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 2.14</TD>
    <TD>Payment and Computation of Interest</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 3. REPURCHASE AT THE OPTION OF THE HOLDERS</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">26</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 3.01</TD>
    <TD>Purchase at Option of Holders upon a Fundamental Change</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">26</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 3.02</TD>
    <TD>Fundamental Change Company Notice</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">27</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 3.03</TD>
    <TD>Repurchase Procedures</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">28</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 3.04</TD>
    <TD>Effect of Fundamental Change Purchase Notice</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">29</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 3.05</TD>
    <TD>Withdrawal of Fundamental Change Purchase Notice</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">29</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 3.06</TD>
    <TD>Deposit of Fundamental Change Purchase Price</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 3.07</TD>
    <TD>Notes Purchased in Whole or in Part</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 3.08</TD>
    <TD>Covenant To Comply with Applicable Laws upon Purchase of Notes</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 3.09</TD>
    <TD>Repayment to the Company</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">30</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 4. CONVERSION</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">31</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 4.01</TD>
    <TD>Right To Convert</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">31</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 4.02</TD>
    <TD>Conversion Procedures</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">31</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 4.03</TD>
    <TD>Settlement Upon Conversion</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">33</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 4.04</TD>
    <TD>Adjustment of Conversion Rate</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">34</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 4.05</TD>
    <TD>Discretionary and Voluntary Adjustments</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">43</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 4.06</TD>
    <TD>Adjustment to Conversion Rate Upon Conversion in Connection with a Make-Whole Adjustment Event and a Redemption Notice</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">43</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 4.07</TD>
    <TD>Effect of Recapitalization, Reclassification, Consolidation, Merger or Sale</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">48</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 4.08</TD>
    <TD>Certain Covenants</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">50</TD></TR>
</TABLE>


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    <TD STYLE="width: 15%">Section 4.09</TD>
    <TD STYLE="width: 81%">Responsibility of Trustee</TD>
    <TD STYLE="width: 4%; text-align: right; vertical-align: bottom">50</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 4.10</TD>
    <TD>Notice of Adjustment to the Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">51</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 4.11</TD>
    <TD>Notice to Holders</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">51</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 5. COVENANTS</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">53</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 5.01</TD>
    <TD>Payment of Principal and Interest and the Fundamental Change Purchase Price.</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">53</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 5.02</TD>
    <TD>Maintenance of Office or Agency</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">53</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 5.03</TD>
    <TD>Provisions as to Paying Agent</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">54</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 5.04</TD>
    <TD>Reports</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">55</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 5.05</TD>
    <TD>Statements as to Defaults</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">56</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 5.06</TD>
    <TD>Additional Interest Notice</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">56</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 5.07</TD>
    <TD>Compliance Certificate and Opinions of Counsel</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">56</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 5.08</TD>
    <TD>Additional Interest</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">57</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 5.09</TD>
    <TD>Corporate Existence</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">58</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 5.10</TD>
    <TD>Restriction on Resales</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">58</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 5.11</TD>
    <TD>Further Instruments and Acts</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">58</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 5.12</TD>
    <TD>Par Value Limitation</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">58</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 5.13</TD>
    <TD>Company to Furnish Trustee Names and Addresses of Holders</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">58</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 6. REMEDIES</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">59</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.01</TD>
    <TD>Events of Default</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">59</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.02</TD>
    <TD>Acceleration; Rescission and Annulment</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">60</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.03</TD>
    <TD>Additional Interest</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">61</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.04</TD>
    <TD>Waiver of Past Defaults</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">62</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.05</TD>
    <TD>Control by Majority</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">62</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.06</TD>
    <TD>Limitation on Suits</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">63</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.07</TD>
    <TD>Rights of Holders to Receive Payment and to Convert</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">63</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.08</TD>
    <TD>Collection of Indebtedness; Suit for Enforcement by Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">63</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.09</TD>
    <TD>Trustee May Enforce Claims Without Possession of Notes</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">63</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.10</TD>
    <TD>Trustee May File Proofs of Claim</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">64</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.11</TD>
    <TD>Restoration of Rights and Remedies</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">64</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.12</TD>
    <TD>Rights and Remedies Cumulative</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">64</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.13</TD>
    <TD>Delay or Omission Not a Waiver</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">64</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.14</TD>
    <TD>Priorities</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">65</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.15</TD>
    <TD>Undertaking for Costs</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">65</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 6.16</TD>
    <TD>Waiver of Stay, Extension and Usury Laws</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">65</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 6.17</TD>
    <TD>Notices from the Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">66</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 7. SATISFACTION AND DISCHARGE</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">66</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 7.01</TD>
    <TD>Discharge of Liability on Notes</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">66</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 7.02</TD>
    <TD>Deposited Monies to Be Held in Trust by Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">67</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 7.03</TD>
    <TD>Paying Agent to Repay Monies Held</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">67</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 7.04</TD>
    <TD>Return of Unclaimed Monies</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">67</TD></TR>
</TABLE>


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<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD STYLE="width: 15%">Section 7.05</TD>
    <TD STYLE="width: 81%">Reinstatement</TD>
    <TD STYLE="width: 4%; text-align: right; vertical-align: bottom">67</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 8. SUPPLEMENTAL INDENTURES</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">67</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 8.01</TD>
    <TD>Supplemental Indentures Without Consent of Holders</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">67</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 8.02</TD>
    <TD>Supplemental Indentures With Consent of Holders</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">68</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 8.03</TD>
    <TD>Notice of Amendment or Supplement</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">69</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 8.04</TD>
    <TD>Trustee to Sign Amendments, Etc</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">69</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 9. SUCCESSOR COMPANY</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">69</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 9.01</TD>
    <TD>Company May Consolidate, Etc. on Certain Terms</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">69</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 9.02</TD>
    <TD>Successor Corporation to Be Substituted</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">70</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 9.03</TD>
    <TD>Officer&rsquo;s Certificate and Opinion of Counsel to Be Given to Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">71</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 10. OPTIONAL REDEMPTION</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">71</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 10.01</TD>
    <TD>Redemption Rights</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">71</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 10.02</TD>
    <TD>Redemption Price</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">72</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 10.03</TD>
    <TD>Redemption Notice</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">72</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 10.04</TD>
    <TD>Payment of Notes Called for Redemption</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">73</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 10.05</TD>
    <TD>Redemption in Part</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">74</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 10.06</TD>
    <TD>Restrictions on Redemption</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">74</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 11. THE TRUSTEE</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">74</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.01</TD>
    <TD>Duties and Responsibilities of Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">74</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 11.02</TD>
    <TD>[Reserved]</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">76</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.03</TD>
    <TD>Rights of the Trustee.</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">76</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 11.04</TD>
    <TD>Trustee&rsquo;s Disclaimer.</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">77</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.05</TD>
    <TD>Trustee or Agents May Own Notes</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">77</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 11.06</TD>
    <TD>Monies to be Held in Trust</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">78</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.07</TD>
    <TD>Compensation and Expenses of Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">78</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 11.08</TD>
    <TD>Officer&rsquo;s Certificate as Evidence</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">78</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.09</TD>
    <TD>Conflicting Interests of Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">79</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 11.10</TD>
    <TD>Eligibility of Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">79</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.11</TD>
    <TD>Resignation or Removal of Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">79</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 11.12</TD>
    <TD>Acceptance by Successor Trustee</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">80</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.13</TD>
    <TD>Succession by Merger, Etc.</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">81</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 11.14</TD>
    <TD>Preferential Collection of Claims</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">81</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 11.15</TD>
    <TD>Trustee&rsquo;s Application for Instructions from the Company</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">81</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD COLSPAN="2"><FONT STYLE="text-transform: uppercase">ARTICLE 12. MISCELLANEOUS</FONT></TD>
    <TD STYLE="text-align: right; vertical-align: bottom"><FONT STYLE="text-transform: uppercase">82</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 12.01</TD>
    <TD>Effect on Successors and Assigns</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">82</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 12.02</TD>
    <TD>Governing Law</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">82</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 12.03</TD>
    <TD>No Note Interest Created</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">82</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 12.04</TD>
    <TD>Trust Indenture Act</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">82</TD></TR>
</TABLE>


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    <TD STYLE="width: 15%">Section 12.05</TD>
    <TD STYLE="width: 81%">Benefits of Indenture</TD>
    <TD STYLE="width: 4%; text-align: right; vertical-align: bottom">82</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 12.06</TD>
    <TD>Calculations</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">82</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 12.07</TD>
    <TD>Execution in Counterparts</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">83</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 12.08</TD>
    <TD>Notices</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">83</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 12.09</TD>
    <TD>No Recourse Against Others</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">84</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 12.10</TD>
    <TD>Tax Withholding</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">84</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 12.11</TD>
    <TD>Waiver of Jury Trial</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">84</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 12.12</TD>
    <TD>U.S.A. Patriot Act</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">84</TD></TR>
<TR STYLE="vertical-align: top; background-color: rgb(204,255,204)">
    <TD>Section 12.13</TD>
    <TD>Force Majeure</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">84</TD></TR>
<TR STYLE="vertical-align: top; background-color: White">
    <TD>Section 12.14</TD>
    <TD>Submission to Jurisdiction; Agent for Service of Process.</TD>
    <TD STYLE="text-align: right; vertical-align: bottom">85</TD></TR>
</TABLE>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">INDENTURE, dated as of September 18, 2013,
between Protalix BioTherapeutics, Inc., a Florida corporation, as issuer (the &ldquo;<B>Company</B>&rdquo;), and The Bank of New
York Mellon Trust Company, N.A., as trustee, conversion agent, registrar and paying agent (in such capacities, the &ldquo;<B>Trustee</B>&rdquo;,
&ldquo;<B>Conversion Agent</B>&rdquo;, &ldquo;<B>Registrar</B>&rdquo; and &ldquo;<B>Paying Agent</B>&rdquo;, respectively).</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">WHEREAS, the Company has duly authorized
the creation of an issue of the Company&rsquo;s 4.50% Convertible Senior Notes due 2018 (the &ldquo;<B>Notes</B>&rdquo;), having
the terms, tenor, amount and other provisions hereinafter set forth, and, to provide therefor, has duly authorized the execution
and delivery of this Indenture; and</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">WHEREAS, all things necessary to make the
Notes, when duly executed by the Company and authenticated and delivered hereunder and duly issued by the Company, the legal, valid
and binding obligations of the Company, in accordance with the terms of the Notes and this Indenture, have been done and performed,
and the execution of this Indenture and the issue hereunder of the Notes have in all respects been duly authorized;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">NOW, THEREFORE, THIS INDENTURE WITNESSETH,
for and in consideration of the premises and the purchases of the Notes by the Holders thereof, it is mutually agreed, for the
benefit of each other and the equal and proportionate benefit of all Holders (as hereinafter defined), as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none">ARTICLE
1.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in">DEFINITIONS
AND OTHER PROVISIONS OF GENERAL APPLICATION</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
1.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Definitions
and References. <FONT STYLE="font-weight: normal; font-style: normal">The terms defined in this Section&nbsp;1.01 (except as herein
otherwise expressly provided or unless the context otherwise requires) for all purposes of this Indenture and of any indenture
supplemental hereto shall have the respective meanings specified in this Section&nbsp;1.01. The words &ldquo;herein&rdquo;, &ldquo;hereof&rdquo;,
&ldquo;hereunder&rdquo; and words of similar import refer to this Indenture as a whole and not to any particular Article, Section
or other Subdivision. The word &ldquo;or&rdquo; is not exclusive and the word &ldquo;including&rdquo; means including without
limitation. The terms defined in this Article include the plural as well as the singular. References to any Article, Section,
Schedule or Exhibit are to this Indenture except as herein otherwise expressly provided.</FONT></FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Act</B>&rdquo; has the meaning specified
in Section&nbsp;1.03.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Additional Amounts</B>&rdquo; has
the meaning specified in Section&nbsp;4.06(f)(i)(2).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Additional Interest</B>&rdquo; means
all amounts, if any, payable by the Company pursuant to Section 5.08 or Section 6.03, as applicable.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Additional Notes</B>&rdquo; means
any Notes (other than the Initial Notes) issued under this Indenture in accordance with Section 2.01, with the same terms as the
Initial Notes except to the extent permitted otherwise under Section 2.01.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Additional Shares</B>&rdquo; has
the meaning specified in Section&nbsp;4.06(a).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Affiliate</B>&rdquo; of any specified
Person means any other Person directly or indirectly controlling or controlled by or under direct or indirect common control with
such specified Person. For the purposes of this definition, &ldquo;control&rdquo; when used with respect to any specified Person
means the power to direct the management and policies of such Person, directly or indirectly, whether through the ownership of
voting securities, by contract or otherwise; and the terms &ldquo;controlling&rdquo; and &ldquo;controlled&rdquo; have meanings
correlative to the foregoing.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Agent Members</B>&rdquo; has the
meaning specified in Section&nbsp;2.06(b).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Agent</B>&rdquo; means any Paying
Agent, Registrar, Conversion Agent or any other agent appointed pursuant to this Indenture.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Applicable Procedures</B>&rdquo;
means, with respect to any matter at any time, the policies and procedures of a Depositary, if any, that are applicable to such
matter at such time.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Authenticating Agent</B>&rdquo;
means any Person authorized by the Trustee to act on behalf of the Trustee to authenticate Notes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Averaging Period</B>&rdquo; has
the meaning specified in Section 4.04(e).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Board of Directors</B>&rdquo; means
either the board of directors of the Company or any duly authorized committee of that board.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Board Resolution</B>&rdquo; when
used with reference to the Company means a copy of a resolution certified by the Secretary or an Assistant Secretary of the Company
to have been duly adopted by the Board of Directors and to be in full force and effect on the date of such certification, and delivered
to the Trustee.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Business Day</B>&rdquo; means any
day other than a Saturday, a Sunday or a day on which the Federal Reserve Bank of New York is authorized or required by law or
executive order to close or to be closed.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Capital Stock</B>&rdquo; means,
for any Person, any and all shares, interests, rights to purchase, warrants, options, participations or other equivalents of or
interests in (however designated) the equity of such Person, but excluding any debt securities convertible into such equity.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Change in Control&rdquo; </B>means
an event that will be deemed to have occurred at the time, after the first date of original issuance for the Initial Notes, any
of the following occurs:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;any
&ldquo;person&rdquo; or &ldquo;group&rdquo; within the meaning of Section&nbsp;13(d) of the Exchange Act is or becomes the direct
or indirect &ldquo;beneficial owner,&rdquo; as defined in Rule 13d-3 under the Exchange Act, of the Company&rsquo;s Common Equity
representing 50% or more of the total voting power of the Company&rsquo;s Common Equity;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
consummation of (x)&nbsp;any recapitalization, reclassification or change of the Common Stock (other than changes resulting from
a subdivision or combination) as a result of which the Common Stock would be converted into, or exchanged for, stock, other securities,
other property or assets; (y) any share exchange, consolidation or merger of the Company pursuant to which the Common Stock will
be converted into cash, securities or other property; or (z) any sale, lease or other transfer in one transaction or a series of
transactions of all or substantially all of the consolidated assets of the Company and the Company&rsquo;s Subsidiaries, taken
as a whole, to any Person other than one of the Company&rsquo;s Subsidiaries; <I>provided, however,</I> that a transaction described
in clause (y) above pursuant to which the Persons that &ldquo;beneficially owned,&rdquo; (as defined in Rule 13d-3 under the Exchange
Act) directly or indirectly, the Company&rsquo;s Common Equity immediately prior to such transaction &ldquo;beneficially own,&rdquo;
(as defined in Rule 13d-3 under the Exchange Act) directly or indirectly, the Common Equity representing at least a majority of
the total voting power of all outstanding classes of the Common Equity of the surviving or transferee Person and such holders&rsquo;
proportional voting power immediately after such transaction vis-&agrave;-vis each other with respect to the securities they receive
in such transaction will be in substantially the same proportions as their respective voting power vis-&agrave;-vis each other
immediately prior to such transaction will not constitute a &ldquo;Change in Control&rdquo;;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">(3)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
first day on which a majority of the members of the Board of Directors are not Continuing Directors;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">(4)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
holders of the Company&rsquo;s Common Equity approve any plan or proposal for the liquidation or dissolution of the Company (whether
or not otherwise in compliance with this Indenture); or</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 1in">(5)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Common Stock (or other Reference Property into which the Notes are convertible) are not shares of common stock issued by a corporation
organized and existing under the laws of the U.S., any state of the U.S. or the District of Columbia.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><I>provided</I>, <I>however</I>, that, notwithstanding
the foregoing, a &ldquo;Change in Control&rdquo; will not be deemed to have occurred if at least 90% of the consideration paid
for the Common Stock in a transaction or transactions described under clause (2) of this definition of &ldquo;Change in Control&rdquo;
above (excluding cash payments for any fractional shares and cash payments made pursuant to dissenters&rsquo; appraisal rights)
consists of shares of common stock traded on a Permitted Exchange, or will be so traded immediately following such transaction
(&ldquo;<B>Publicly Traded Securities</B>&rdquo;), and as a result therefrom, such consideration becomes the Reference Property
for the Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">If any transaction in which the Common Stock
is replaced by the Reference Property comprised of securities of another entity occurs, following completion of any related Make-Whole
Adjustment Event Period and any related Fundamental Change Purchase Date, references to the Company in this definition of &ldquo;Change
in Control&rdquo; will apply to such other entity instead.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in">&ldquo;<B>Clause&nbsp;A Distribution</B>&rdquo;
has the meaning specified in Section&nbsp;4.04(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Clause&nbsp;B Distribution</B>&rdquo;
has the meaning specified in Section&nbsp;4.04(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Clause&nbsp;C Distribution</B>&rdquo;
has the meaning specified in Section&nbsp;4.04(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Close of Business</B>&rdquo; means
5:00 p.m., New York City time.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Commission</B>&rdquo; means the
U.S. Securities and Exchange Commission, as from time to time constituted, created under the Exchange Act, or, if at any time after
the execution of this indenture such Commission is not existing and performing the duties now assigned to it under the Trust Indenture
Act, then the body performing such duties at such time.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Common Equity</B>&rdquo; of any
Person means the Capital Stock of such Person that is generally entitled (a)&nbsp;to vote in the election of directors of such
Person or (b)&nbsp;if such Person is not a corporation, to vote or otherwise participate in the selection of the governing body,
partners, managers or others that will control the management or policies of such Person.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Common Stock</B>&rdquo; means the
shares of common stock, par value $0.01 per share, of the Company authorized at the date of this instrument as originally executed
or shares of any class or classes of common stock resulting from any reclassification or reclassifications thereof; <I>provided</I>,
<I>however</I>, that if at any time there shall be more than one such resulting class, the shares so issuable on conversion of
Notes shall include shares of all such classes, and the shares of each such class then so issuable shall be substantially in the
proportion which the total number of shares of such class resulting from all such reclassifications bears to the total number of
shares of all such classes resulting from all such reclassifications.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>common stock</B>&rdquo; includes
any stock of any class of Capital Stock which has no preference in respect of dividends or of amounts payable in the event of any
voluntary or involuntary liquidation, dissolution or winding up of the issuer thereof and which is not subject to redemption by
the issuer thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Company</B>&rdquo; has the meaning
specified in the first paragraph of this Indenture, and subject to the provisions of Article&nbsp;9, shall include its successors
and assigns.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Company Order</B>&rdquo; means a
written request or order signed in the name of the Company by one of its Officers, and delivered to the Trustee.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Continuing Directors</B>&rdquo;
means, as of any date of determination, any member of the Board of Directors who (i) was a member of such Board of Directors on
the first date of original issuance of the Initial Notes,&nbsp;or (ii) was nominated for election or elected to such Board of Directors
with the approval of a majority of the Continuing Directors who were members of such Board of Directors at the time of such nomination
or election.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Conversion Agent</B>&rdquo; has
the meaning specified in Section&nbsp;5.02.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Conversion Date</B>&rdquo; has the
meaning specified in Section&nbsp;4.02(b).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Conversion Notice</B>&rdquo; has
the meaning specified in Section&nbsp;4.02(b).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Conversion Price</B>&rdquo; means,
in respect of each Note, as of any date, $1,000 <I>divided by</I> the Conversion Rate in effect on such date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Conversion Rate</B>&rdquo; means
initially 173.6593 shares of Common Stock per $1,000 principal amount of Notes, subject to adjustment as set forth herein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Corporate Trust Office</B>&rdquo;
means, with respect to the office of the Trustee, the designated corporate trust office of the Trustee, at which at any particular
time its corporate trust business shall be principally administered, which office at the date hereof is located at 10161 Centurion
Parkway, Jacksonville Florida 32256; Attn: Protalix BioTherapeutics, Inc. Account Manager, or such other address as the Trustee
may designate from time to time by notice to the Holders and the Company, or the corporate trust office of any successor Trustee
(or such other address as such successor Trustee may designate from time to time by notice to the Holders and the Company).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>corporation</B>&rdquo; means a corporation,
association, joint stock company, limited liability company or business trust.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Custodian</B>&rdquo; means the Trustee,
as custodian with respect to the Notes (so long as the Notes constitute Global Notes), or any successor entity.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Default</B>&rdquo; means any event
that is, or with the passage of time or the giving of notice or both would be, an Event of Default.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Depositary</B>&rdquo; means, with
respect to the Notes issuable or issued in the form of a Global Note, the Person designated as Depositary by the Company until
a successor Depositary shall have become such pursuant to the applicable provisions of this Indenture, and thereafter &ldquo;Depositary&rdquo;
shall mean or include each Person who is then a Depositary hereunder. The Company has appointed The Depository Trust Company as
the initial Depositary for the Notes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Distributed Property</B>&rdquo;
has the meaning specified in Section&nbsp;4.04(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Dollar</B>&rdquo; or &ldquo;<B>$</B>&rdquo;
means a dollar or other equivalent unit in such coin or currency of the U.S. that is legal tender for the payment of public and
private debts at the time of payment.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Effective Date</B>&rdquo; means,
with respect to a Fundamental Change or a Make-Whole Adjustment Event, as applicable, the date such Fundamental Change or Make-Whole
Adjustment Event occurs or becomes effective.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Event of Default</B>&rdquo; has
the meaning specified in Section&nbsp;6.01.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Ex-Dividend Date</B>&rdquo; means,
except to the extent otherwise provided under Section&nbsp;4.04(c), the first date on which shares of the Common Stock trade on
the applicable exchange or in the applicable market, regular way, without the right to receive the issuance, dividend or distribution
in question.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Exchange</B>&rdquo; means the NYSE
MKT or its successor.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Exchange Act</B>&rdquo; means the
U.S. Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Form of Assignment and Transfer</B>&rdquo;
means the &ldquo;Form of Assignment and Transfer&rdquo; attached as <U>Attachment&nbsp;3</U> to the Form of Note attached hereto
as <U>Exhibit&nbsp;A</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Form of Fundamental Change Purchase
Notice</B>&rdquo; means the &ldquo;Form of Fundamental Change Purchase Notice&rdquo; attached as <U>Attachment&nbsp;2</U> to the
Form of Note attached hereto as <U>Exhibit&nbsp;A</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Form of Notice of Conversion&rdquo;
</B>means the &ldquo;Form of Notice of Conversion&rdquo; attached as <U>Attachment&nbsp;1</U> to the Form of Note attached hereto
as <U>Exhibit&nbsp;A</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&quot;<B>Free Trade Date</B>&quot; means the
date that is one year after the Last Original Issuance Date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Free Transferability Certificate</B>&rdquo;
means a certificate substantially in the form attached hereto as <U>Exhibit B</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Freely Tradable</B>&rdquo; means,
with respect to any Notes, that such Notes are eligible to be sold by a Person who is not an affiliate of the Company (within the
meaning of Rule 144) and has not been an affiliate of the Company (within the meaning of Rule 144) during the immediately preceding
90 days without any volume or manner of sale restrictions under the Securities Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Fundamental Change</B>&rdquo; means
the occurrence of a Change in Control or a Termination of Trading.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Fundamental Change Company Notice</B>&rdquo;
has the meaning specified in Section&nbsp;3.02(a).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Fundamental Change Expiration Time</B>&rdquo;
has the meaning specified in Section&nbsp;3.03(a)(i).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Fundamental Change Purchase Date</B>&rdquo;
has the meaning specified in Section&nbsp;3.01.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Fundamental Change Purchase Notice</B>&rdquo;
has the meaning specified in Section&nbsp;3.03(a)(i).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Fundamental Change Purchase Price</B>&rdquo;
has the meaning specified in Section&nbsp;3.01.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Global Note</B>&rdquo; means a Note
evidencing all or part of a series of Notes, issued to the Depositary for such series or its nominee, and registered in the name
of such Depositary or nominee.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Holder</B>&rdquo; means the Person
in whose name a Note is registered in the Register.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Indenture</B>&rdquo; means this
Indenture as amended or supplemented from time to time.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Initial Notes</B>&rdquo; has the
meaning specified in Section&nbsp;2.01.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Initial Purchaser</B>&rdquo; means
the Person listed in Schedule I to the Purchase Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Interest Payment Date</B>&rdquo;
means, with respect to the payment of interest on the Notes, each March&nbsp;15 and September&nbsp;15 of each year, beginning on,
in the case of the Initial Notes, March 15, 2014.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Issue Date</B>&rdquo; means, with
respect to any Notes, the date the Notes are originally issued as set forth on the face of the Notes under this Indenture.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Last Original Issuance Date</B>&rdquo;
means the last date of original issuance of the Initial Notes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Last Reported Sale Price</B>&rdquo;
of the Common Stock for any Trading Day means the closing sale price per share (or, if no closing sale price is reported, the average
of the last bid and last ask prices or, if more than one in either case, the average of the average last bid and the average last
ask prices) on that Trading Day as reported in composite transactions for the Exchange, or if the Common Stock is not listed on
the Exchange, the principal U.S. national or regional securities exchange on which the Common Stock is traded. If the Common Stock
is not listed for trading on a U.S. national or regional securities exchange on the relevant Trading Day, the &ldquo;Last Reported
Sale Price&rdquo; will be the last quoted bid price for the Common Stock in the over-the-counter market on the relevant date as
reported by OTC Markets Group Inc. or a similar organization. If the Common Stock is not so quoted, the &ldquo;Last Reported Sale
Price&rdquo; will be the average of the mid-point of the last bid and last ask prices for the Common Stock on the relevant trading
day from each of at least three nationally recognized independent investment banking firms selected by the Company for this purpose,
which may include the Initial Purchaser; <I>provided</I>, that if such prices cannot reasonably be obtained from three such investment
banking firms, but are obtained from two such investment banking firms, then the &quot;Last Reported Sale Price&quot; will be the
average of the mid-points of such bid and ask prices from those two investment banking firms and if such prices can reasonably
be obtained from only one such investment banking firm then the &quot;Last Reported Sale Price&quot; will be the mid-points of
such bid and ask prices from that investment banking firm. Any such determination will be conclusive absent manifest error.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Make-Whole Adjustment Event</B>&rdquo;
means (i)&nbsp;any Change in Control (determined after giving effect to any exceptions or exclusions from the definition of &ldquo;Change
in Control&rdquo; but without giving effect to the proviso in clause (2) of the definition thereof) and (ii) any Termination of
Trading.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Make-Whole Adjustment Event Period</B>&rdquo;
has the meaning specified in Section&nbsp;4.06(a).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Market Disruption Event</B>&rdquo;
means , if the Common Stock is listed for trading on the Exchange or listed on another U.S. national or regional securities exchange,
the occurrence or existence during the one-half hour period ending on the scheduled close of trading on any Scheduled Trading Day
of any material suspension or limitation imposed on trading (by reason of movements in price exceeding limits permitted by the
stock exchange or otherwise) in the Common Stock or in any options, contracts or futures contracts relating to the Common Stock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Maturity Date</B>&rdquo; means September
15, 2018.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Merger Event</B>&rdquo; has the
meaning specified in Section&nbsp;4.07(a).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Non-Affiliate Legend</B>&rdquo;
has the meaning specified in the Form of Note attached hereto as <U>Exhibit&nbsp;A</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Note</B>&rdquo; or &ldquo;<B>Notes</B>&rdquo;
has the meaning specified in the first paragraph of the Recitals of this Indenture.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Officer</B>&rdquo; or &ldquo;<B>officer</B>&rdquo;
shall mean, the Chairman of the Board of Directors, the Chief Executive Officer, the President, a Vice President (whether or not
designated by a number or word or words added before or after the title &ldquo;Vice President&rdquo;) or any Director of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Offer Expiration Date</B>&rdquo;
has the meaning specified in Section&nbsp;4.04(e).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Officer&rsquo;s Certificate</B>&rdquo;
means a certificate signed by an Officer of the Company and delivered to the Trustee.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Open of Business</B>&rdquo; means
9:00&nbsp;a.m., New York City time.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Opinion of Counsel</B>&rdquo; means
a written opinion of counsel, who may be an employee of, or counsel for, the Company or an Affiliate of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Outstanding</B>&rdquo; means, with
respect to the Notes, any Notes authenticated by the Trustee except (i)&nbsp;Notes cancelled by it, (ii)&nbsp;Notes delivered to
it for cancellation and (iii)(A)&nbsp;Notes replaced pursuant to Section&nbsp;2.09 hereof, on and after the time such Note is replaced
(unless the Trustee and the Company receive proof satisfactory to them that such Note is held by a protected purchaser), (B)&nbsp;Notes
converted pursuant to Article&nbsp;4 hereof, on and after their Conversion Date, (C)&nbsp;any and all Notes, the principal of which
has become due and payable as of the Maturity Date, on a Fundamental Change Purchase Date, Redemption Date or otherwise and in
respect of which the Paying Agent is holding, in accordance with this Indenture, money sufficient to pay all of the Notes then
payable, and (D)&nbsp;any and all Notes owned by the Company or any other obligor upon the Notes or any Affiliate of the Company
or of such other obligor. In determining whether the Holders of the required principal amount of Notes have concurred in any request,
demand, authorization, direction, notice, consent or waiver, Notes owned by the Company or any other obligor upon the Notes or
any Affiliate of the Company will be considered as though not Outstanding, except that in determining whether the Trustee shall
be protected in relying upon any request, demand, authorization, direction, notice, consent or waiver, only such Notes which a
Responsible Officer of the Trustee actually knows to be so owned shall be disregarded.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Paying Agent</B>&rdquo; means any
Person authorized by the Company to pay the principal amount of, any premium on, interest on, or the Fundamental Change Purchase
Price or Redemption Price of, or Additional Amounts with respect to, any Notes on behalf of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Person</B>&rdquo; means any individual,
corporation, partnership, joint venture, trust, unincorporated organization or government or any agency or political subdivision
thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Physical Notes</B>&rdquo; means
permanent, non-global certificated Notes in definitive, fully registered form issued in denominations of $1,000 principal amount
and integral multiples of $1,000 in excess thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Preliminary Offering Memorandum</B>&rdquo;
means the Preliminary Offering Memorandum dated September 11, 2013 related to the offering of the Initial Notes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Publicly Traded Securities</B>&rdquo;
has the meaning specified in the definition of &ldquo;Fundamental Change&rdquo; under this Section&nbsp;1.01.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Purchase Agreement</B>&rdquo; means
that certain Purchase Agreement, dated September&nbsp;12, 2013, among the Company and the Initial Purchaser.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Record Date</B>&rdquo; means, with
respect to any dividend, distribution or other transaction or event in which the holders of Common Stock have the right to receive
any cash, securities or other property or in which Common Stock (or other applicable security) is exchanged for or converted into
any combination of cash, securities or other property, the date fixed for determination of holders of Common Stock entitled to
receive such cash, securities or other property (whether such date is fixed by the Board of Directors or a duly authorized committee
thereof, statute, contract or otherwise).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Redemption Date</B>&rdquo; means,
with respect to any Notes to be redeemed, the date fixed for redemption by the Company in accordance with Section&nbsp;10.03.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Redemption Notice</B>&rdquo; has
the meaning specified in Section&nbsp;10.03.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Redemption Price</B>&rdquo; has
the meaning specified in Section&nbsp;10.02.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Reference Discount Rate</B>&rdquo;
means, for any redemption, the yield for 3-month U.S. Treasury bills in secondary market trading for the fifth Business Day immediately
preceding the Redemption Date, as displayed opposite the caption &ldquo;U.S. government securities&mdash;Treasury bills (secondary
market)&mdash;3-month&rdquo; on the &ldquo;H.15&rdquo; weekly release or daily update, as applicable, for that Business Day published
by the Federal Reserve System Board of Governors (or its successor) (or its equivalent successor if such weekly release or daily
update, as applicable, is not available). If such yield is unavailable, the &ldquo;Reference Discount Rate&rdquo; will be the average
of the secondary market bid rates of at least three nationally recognized independent investment banking firms selected by the
Company for this purpose, which may include the Initial Purchaser and may include the investment banking firm selected by the Company
to determine the Redemption Price pursuant to Section 10.02, as of 3:30 p.m., New York City time, on that Business Day for the
issue of U.S. Treasury bills with a remaining maturity closest to three months.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Reference Property</B>&rdquo; has
the meaning specified in Section&nbsp;4.07(a).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Register</B>&rdquo; and &ldquo;<B>Registrar</B>&rdquo;
have the respective meanings specified in Section 2.06.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Regular Record Date</B>&rdquo; means,
with respect to any Interest Payment Date, March&nbsp;1 (whether or not a Business Day) or September&nbsp;1 (whether or not a Business
Day), as the case may be, immediately preceding such Interest Payment Date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Reporting Event of Default</B>&rdquo;
has the meaning specified in Section&nbsp;6.03.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Resale Restriction Termination Date</B>&rdquo;
has the meaning specified in Section 2.08(b)(ii).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Responsible Officer,</B>&rdquo;
when used with respect to the Trustee, means any officer within the corporate trust department or any other successor group of
the Trustee, including any vice president, assistant vice president, assistant secretary or any other officer of the Trustee customarily
performing functions similar to those performed by any of the above designated officers who at the time shall be such officers,
respectively, or to whom any corporate trust matter is referred because of his or her knowledge of and familiarity with the particular
subject and who in each case shall have direct responsibility for the administration of this Indenture.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Restricted Global Note</B>&rdquo;
has the meaning specified in Section 2.08(b)(i).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Restricted Note</B>&rdquo; has the
meaning specified in Section 2.07(a)(i).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Restricted Notes Legend</B>&rdquo;
has the meaning specified in the Form of Note attached hereto as <U>Exhibit&nbsp;A</U>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Restricted Stock</B>&rdquo; has
the meaning specified in Section 2.07(b)(i).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Restricted Stock Legend</B>&rdquo;
means a legend substantially in the form set forth in <U>Exhibit C</U> hereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Rule 144</B><FONT STYLE="font-weight: normal">&rdquo;
means Rule 144 under the Securities Act (including any successor rule thereto), as the same may be amended from time to time.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Scheduled Trading Day</B>&rdquo;
means a day that is scheduled to be a Trading Day on the principal U.S. national or regional securities exchange or market on which
the Common Stock is listed or admitted for trading. If the Common Stock is not listed or admitted for trading, &ldquo;Scheduled
Trading Day&rdquo; means a Business Day.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Securities Act</B>&rdquo; means
the U.S. Securities Act of 1933, as amended, and the rules and regulations of the Commission promulgated thereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Settlement Amount</B>&rdquo; has
the meaning specified in Section&nbsp;4.03(a)(i).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Significant Subsidiary</B>&rdquo;
means, with respect to any Person, a Subsidiary of such person that would constitute a &ldquo;significant subsidiary&rdquo; as
such term is defined in Article 1, Rule 1-02 of Regulation S-X, promulgated pursuant to the Securities Act, as in effect on the
Issue Date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Spin-Off</B>&rdquo; has the meaning
specified in Section&nbsp;4.04(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Stock Price</B>&rdquo; has the meaning
specified in Section&nbsp;4.06(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Subsidiary</B>&rdquo; of any Person
means (a)&nbsp;any corporation, association or other business entity of which more than 50% of the outstanding total voting power
ordinarily entitled (without regard to the occurrence of any contingency) to vote in the election of directors, managers, trustees
or other voting members of the governing body thereof is at the time owned or controlled, directly or indirectly, by the Company
or by one or more other Subsidiaries, or by the Company and one or more other Subsidiaries or (b)&nbsp;any partnership the sole
general partner or the managing general partner of which is the Company or a Subsidiary of the Company or the only general partners
of which are the Company or of one or more Subsidiaries of the Company (or any combination thereof).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Successor Company</B>&rdquo; has
the meaning specified in Section&nbsp;9.01(a).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Taxing Jurisdiction</B>&rdquo; has
the meaning specified in Section&nbsp;4.06(f)(i)(2).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Termination of Trading&rdquo; </B>means
(1) the Common Stock (or other Reference Property into which the Notes are then convertible) ceases to be listed or quoted on any
of The NYSE MKT, The New York Stock Exchange, the NASDAQ Global Market or the NASDAQ Global Select Market (or any of their respective
successors, a &ldquo;<B>Permitted Exchange</B>&rdquo;); or (2) the announcement by any such Permitted Exchange on which the Common
Stock (or other Reference Property into which the Notes are then convertible) is trading that the Common Stock (or other common
stock into which the Notes are then convertible) will no longer be listed or admitted for trading and will not be immediately relisted
or readmitted for trading on any Permitted Exchange.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Trading Day</B>&rdquo; means a day
on which (i)&nbsp;there is no Market Disruption Event, and (ii)&nbsp;trading in the Common Stock generally occurs on the Exchange
or, if the Common Stock is not then listed on the Exchange, on the principal other U.S. national or regional securities exchange
on which the Common Stock is then listed. If the Common Stock is not so listed or traded, &ldquo;Trading Day&rdquo; means a &ldquo;Business
Day.&rdquo;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Trigger Event</B>&rdquo; has the
meaning specified in Section&nbsp;4.04(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Trustee</B>&rdquo; means the Person
named as the &ldquo;Trustee&rdquo; in the first paragraph of this Indenture until a successor Trustee shall have become such pursuant
to Section&nbsp;11.12, and thereafter &ldquo;Trustee&rdquo; shall mean or include each Person who is then a Trustee hereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Trust Indenture Act</B>&rdquo; means
the Trust Indenture Act of 1939 as in force at the date as of which this instrument was executed.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Unit of Reference Property</B>&rdquo;
has the meaning specified in Section&nbsp;4.07(a).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>U.S.</B>&rdquo; means the United
States of America.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Valuation Period</B>&rdquo; has
the meaning specified in Section&nbsp;4.04(c).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in">&ldquo;<B>Vice President,</B>&rdquo; when
used with respect to the Company or the Trustee, as applicable, means any vice president, whether or not designated by a number
or a word or words added before or after the title &ldquo;vice president&rdquo;.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
1.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">References
to Interest. <FONT STYLE="font-weight: normal; font-style: normal">Any reference to interest on, or in respect of, any Note in
this Indenture shall be deemed to include Additional Interest, if, in such context, Additional Interest, is, was or would be payable
pursuant hereto. Any express mention of the payment of Additional Interest in any provision hereof shall not be construed as excluding
Additional Interest in those provisions hereof where such express mention is not made.</FONT></FONT></P>

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

<P STYLE="font: normal 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
1.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><I>Acts of Holders.</I> <FONT STYLE="font-weight: normal; font-style: normal">(a)
Any request, demand, authorization, direction, notice, consent, waiver or other action provided or permitted by this Indenture
to be made, given or taken by Holders may be embodied in and evidenced by one or more instruments of substantially similar tenor
signed by such Holders in person or by an agent duly appointed in writing; and, except as herein otherwise expressly provided,
such action shall become effective when such instrument or instruments are delivered to the Trustee and, where it is hereby expressly
required, to the Company. Such instrument or instruments (and the action embodied therein and evidenced thereby) are herein sometimes
referred to as the &ldquo;</FONT><B>Act</B><FONT STYLE="font-weight: normal; font-style: normal">&rdquo; of the Holders
signing such instrument or instruments. Proof of execution of any such instrument or of a writing appointing any such agent, or
of the holding by any Person of Notes, shall be sufficient for any purpose of this Indenture and conclusive in favor of the Trustee
and the Company, if made in the manner provided in this Section.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
fact and date of the execution by any Person of any such instrument or writing may be proved by the affidavit of a witness of such
execution or by a certificate of a notary public or other officer authorized by law to take acknowledgments of deeds, certifying
that the individual signing such instrument or writing acknowledged to him the execution thereof. Where such execution is by a
signer acting in a capacity other than his individual capacity, such certificate or affidavit shall also constitute sufficient
proof of his authority. The fact and date of the execution of any such instrument or writing, or the authority of the Person executing
the same, may also be proved in any other manner which the Trustee deems sufficient.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
amount of Notes held by any Person executing any such instrument or writings as the Holder thereof, the numbers of such Notes and
the date of his holding the same may be proved by the production of such Notes or by a certificate executed, as depositary, by
any trust company, bank, banker or member of a national securities exchange (wherever situated), if such certificate is in form
satisfactory to the Trustee, showing that at the date therein mentioned such Person had on deposit with such depositary, or exhibited
to it, the Notes therein described; or such facts may be proved by the certificate or affidavit of the Person executing such instrument
or writing as the Holder thereof, if such certificate or affidavit is in form satisfactory to the Trustee. The Trustee and the
Company may assume that such ownership of any Notes continues until (1)&nbsp;another certificate bearing a later date issued in
respect of the same Notes is produced or (2)&nbsp;such Notes are produced by some other Person or (3)&nbsp;such Notes are no longer
Outstanding.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
fact and date of execution of any such instrument or writing and the amount and number of Notes held by the Person so executing
such instrument or writing may also be proved in any other manner that the Trustee deems sufficient. The Trustee may in any instance
require further proof with respect to any of the matters referred to in this Section&nbsp;1.03.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
principal amount (except as otherwise contemplated in clause&nbsp;(ii) of the definition of &ldquo;Outstanding&rdquo;), serial
numbers of Notes held by any Person and the date of holding the same shall be proved by the Register.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any
request, demand, authorization, direction, notice, consent, election, waiver or other Act of the Holder of any Note shall bind
every future Holder of the same Note and the Holder of every Note issued upon the registration of transfer thereof or in exchange
therefor or in lieu thereof in respect of anything done, omitted or suffered to be done by the Trustee or the Company in reliance
thereon, whether or not notation of such action is made upon such Note.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Company may but shall not be obligated to set a record date for purposes of determining the identity of Holders of any Outstanding
Notes entitled to vote or consent to any action by vote or consent authorized or permitted by Sections 2.11, 6.02, 6.04, 6.05,
6.06, 8.02 or 11.14. Such record date shall be not less than 10 nor more than 60&nbsp;days prior to the first solicitation of such
consent or the date of the most recent list of Holders of such Notes furnished to the Trustee pursuant to Section&nbsp;5.13 prior
to such solicitation.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(h)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Company solicits from Holders any request, demand, authorization, direction, notice, consent, election, waiver or other Act,
the Company may, at its option, fix in advance a record date for the determination of Holders entitled to give such request, demand,
authorization, direction, notice, consent, election, waiver or other Act, but the Company shall have no obligation to do so. If
such a record date is fixed, such request, demand, authorization, direction, notice, consent, election, waiver or other Act may
be given before or after such record date, but only the Holders of record at the close of business on the record date shall be
deemed to be Holders for the purposes of determining whether Holders of the requisite proportion of the Outstanding Notes have
authorized or agreed or consented to such request, demand, authorization, direction, notice, consent, election, waiver or other
Act, and for that purpose the Outstanding Notes shall be computed as of the record date; provided that no such authorization, agreement
or consent by the Holders on such record date shall be deemed effective unless it shall become effective pursuant to the provisions
of this Indenture not later than six months after the record date.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none">ARTICLE
2.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in">The
Notes</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Title
and Terms; Payments. <FONT STYLE="font-weight: normal; font-style: normal">The aggregate principal amount of Notes that may be
authenticated and delivered under this Indenture is initially limited to $69,000,000 (the &ldquo;</FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><B>Initial
Notes</B><FONT STYLE="font-weight: normal; font-style: normal">&rdquo;), except for Notes authenticated and delivered upon registration
or transfer of, or in exchange for, or in lieu of, other Notes pursuant to Sections 2.05, 2.06, 2.07, 2.08, 2.09, 2.11, 2.12,
3.07 or 10.05. The Company may, from time to time after the execution of this Indenture, execute and deliver to the Trustee for
authentication Additional Notes of an unlimited aggregate principal amount, and the Trustee shall thereupon authenticate and deliver
said Additional Notes to or upon receipt of a Company Order, without any further action by the Company hereunder; </FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><I>provided,
however,</I><FONT STYLE="font-weight: normal; font-style: normal"> that (1)&nbsp;if any such Additional Notes are not fungible
with the Initial Notes for U.S. federal income tax purposes, any such Additional Notes will have a separate CUSIP number for so
long as they remain not fungible; (2)&nbsp;such Additional Notes must be issued pursuant to the same terms (other than the date
of issuance for such Notes and, if applicable in accordance with Section 2.14, the date from which interest will initially accrue
and the date of the first interest payment) as the Initial Notes; (3)&nbsp;the Trustee must receive an Officer&rsquo;s Certificate
to the effect that such issuance of Additional Notes complies with the provisions of this Indenture, including each provision
of this paragraph and all conditions precedent to the issuance and authentication of such Additional Notes have been satisfied;
and (4) the Trustee must receive an Opinion of Counsel which shall state (a) that the form of such Additional Notes has been established
by a supplemental indenture or pursuant to the Board Resolutions in accordance with this Section 2.01 and Section 2.04 and in
conformity with the provisions of this Indenture; (b) that the terms of such Additional Notes have been established in accordance
with this Section 2.01 and in conformity with the other provisions of this Indenture and all conditions precedent to the issuance
and authentication of such Additional Notes have been satisfied; and (c) that such Additional Notes have been duly authorized,
executed and delivered by the Company and, when authenticated and delivered by the Trustee and issued by the Company in the manner
and subject to any conditions specified in such Opinion of Counsel, will constitute valid and legally binding obligations of the
Company, enforceable in accordance with their terms, subject to bankruptcy, insolvency, reorganization and other laws of general
applicability relating to or affecting the enforcement of creditors' rights and to general equity principles.</FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Notes shall be known and designated
as the &ldquo;4.50% Convertible Senior Notes due 2018&rdquo; of the Company. The principal amount shall be payable on the Maturity
Date unless no longer Outstanding because earlier purchased, converted or redeemed in accordance with this Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The principal amount of Physical Notes shall
be payable in U.S. dollars at the Corporate Trust Office and at any other office or agency maintained by the Company for such purpose.
Interest on Physical Notes will be payable (i)&nbsp;to Holders holding Physical Notes having an aggregate principal amount of $1,000,000
or less of Notes, by check mailed to such Holders at the address set forth in the Register and (ii)&nbsp;to Holders holding Physical
Notes having an aggregate principal amount of more than $1,000,000 of Notes, either by check mailed to such Holders or, upon written
application by a Holder to the Company and Registrar dated not later than 10 calendar days prior to the relevant payment date,
by wire transfer in immediately available funds to such Holder&rsquo;s account within the U.S., which application shall remain
in effect until the Holder notifies the Registrar to the contrary in writing. The Company will pay or cause the Trustee or Paying
Agent to pay principal of, and interest on, Global Notes in U.S. dollars and in immediately available funds to the Depositary or
its nominee, as the case may be, as the registered Holder of such Global Note, on each Interest Payment Date, Redemption Date,
Fundamental Change Purchase Date, the Maturity Date or other payment date, as the case may be.</P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Ranking.
<FONT STYLE="font-weight: normal; font-style: normal">The Notes constitute direct unsecured, senior obligation of the Company.</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Denominations.
<FONT STYLE="font-weight: normal; font-style: normal">The Notes shall be issuable only in registered form without coupons and
in denominations of $1,000 and any integral multiple of $1,000.</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.04&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Execution,
Authentication, Delivery and Dating. <FONT STYLE="font-weight: normal; font-style: normal">The Notes shall be executed on behalf
of the Company by one of its Officers.</FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Notes bearing the manual or facsimile signatures
of individuals who were at any time Officers of the Company shall bind the Company, notwithstanding that such individual has ceased
to hold such office prior to the authentication and delivery of such Notes or did not hold such office at the date of such Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">At any time and from time to time after
the execution and delivery of this Indenture, the Company may deliver Notes executed by the Company to the Trustee for authentication,
together with a Company Order for the authentication and delivery of such Notes. The Company Order shall specify the amount of
Notes to be authenticated, and shall further specify the amount of such Notes to be issued as one or more Global Notes or as one
or more Physical Notes. The Trustee in accordance with such Company Order shall authenticate and deliver such Notes as provided
in this Indenture and not otherwise.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Each Note shall be dated the date of its
authentication.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">No Note shall be entitled to any benefit
under this Indenture or be valid or obligatory for any purpose unless there appears on such Note a certificate of authentication
substantially in the form provided for herein executed by an authorized signatory of the Trustee by manual signature, and such
certificate upon any Note shall be conclusive evidence, and the only evidence, that such Note has been duly authenticated and delivered
hereunder.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.05&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Temporary
<FONT STYLE="color: windowtext">Notes</FONT>. <FONT STYLE="font-weight: normal; font-style: normal">Pending the preparation of
Physical Notes, the Company may execute, and upon Company Order the Trustee shall authenticate and deliver, temporary Notes that
are printed, lithographed, typewritten, mimeographed or otherwise produced, in any authorized denomination, substantially of the
tenor of the Physical Notes in lieu of which they are issued and with such appropriate insertions, omissions, substitutions and
other variations as the Officer executing such Notes may determine, as evidenced by such Officer&rsquo;s execution of such Notes;
</FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">provided<FONT STYLE="font-style: normal"> that any such
temporary Notes shall bear legends on the face of such Notes as set forth in the Form of Note attached hereto as <U>Exhibit&nbsp;A
</U>and/or Sections 2.07 and 2.11.</FONT></FONT></P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">After the preparation of Physical Notes,
the temporary Notes shall be exchangeable for Physical Notes upon surrender of the temporary Notes at any office or agency of the
Company designated pursuant to Section 5.02, without charge to the Holder. Upon surrender for cancellation of any one or more temporary
Notes, the Company shall execute, and the Trustee shall, upon Company Order, authenticate and deliver, in exchange therefor a like
principal amount of Physical Notes of authorized denominations. Until so exchanged, the temporary Notes shall in all respects be
entitled to the same benefits under this Indenture as Physical Notes.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
2.06&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Registration; Registration of <FONT STYLE="color: windowtext">Transfer
</FONT>and <FONT STYLE="color: windowtext">Exchange</FONT><FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
<FONT STYLE="color: windowtext">Company </FONT>shall cause to be kept at the applicable <FONT STYLE="color: windowtext">Corporate
Trust Office </FONT>of the <FONT STYLE="color: windowtext">Trustee in New York City, New York </FONT>a <FONT STYLE="color: windowtext">register
</FONT>(the register maintained in such office and in any other office or agency designated pursuant to Section 5.02 being herein
sometimes collectively referred to as the &ldquo;<FONT STYLE="color: windowtext"><B>Register</B></FONT>&rdquo;) in which, subject
to such reasonable regulations as it may prescribe, the <FONT STYLE="color: windowtext">Company </FONT>shall provide for the registration
and transfer of <FONT STYLE="color: windowtext">Notes</FONT>. The <FONT STYLE="color: windowtext">Trustee </FONT>is hereby appointed
r<FONT STYLE="color: windowtext">egistrar</FONT> (the &ldquo;<FONT STYLE="color: windowtext"><B>Registrar</B></FONT>&rdquo;) for
the purpose of registering the transfer and exchange of the <FONT STYLE="color: windowtext">Notes </FONT>as herein <FONT STYLE="color: windowtext">provided</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Upon surrender for registration of transfer
of any Note at an office or agency of the Company designated pursuant to Section 5.02 for such purpose, the Company shall execute,
and upon receipt of a Company Order the Trustee shall authenticate and deliver, in the name of the designated transferee or transferees,
one or more new Notes of any authorized denomination and of a like aggregate principal amount and tenor, each such Note bearing
such restrictive legends as may be required by this Indenture (including the Form of Note attached hereto as <U>Exhibit&nbsp;A</U>
and Sections 2.07 and 2.11).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">At the option of the Holder and subject
to the other provisions of Sections 2.07 and 2.11, Notes may be exchanged for other Notes of any authorized denomination and of
a like aggregate principal amount and tenor, upon surrender of the Notes to be exchanged at such office or agency. Whenever any
Notes are so surrendered for exchange, the Company shall execute, and the Trustee shall, upon receipt of a Company Order, authenticate
and deliver, the Notes which the Holder making the exchange is entitled to receive.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">All Notes issued upon any registration of
transfer or exchange of Notes shall be the valid obligations of the Company evidencing the same debt, and entitled to the same
benefits under this Indenture as the Notes surrendered upon such registration of transfer or exchange.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Every Note presented or surrendered for
registration of transfer or for exchange shall (if so required by the Company or the Trustee) be duly endorsed, or be accompanied
by a written instrument of transfer in form satisfactory to the Company and the Registrar duly executed, by the Holder thereof
or his attorney duly authorized in writing. As a condition to the registration of transfer of any Restricted Notes, the Company
or the Trustee may require evidence satisfactory to them as to the compliance with the restrictions set forth in the legend on
such Notes.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">No service charge shall be made for any
registration of transfer or exchange of Notes, but the Company and the Registrar may require payment of a sum sufficient to cover
any tax or other governmental charge that may be imposed in connection with any registration of transfer or exchange of Notes,
other than exchanges pursuant to Section 2.11 not involving any transfer.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Neither the Company nor the Registrar shall
be required to exchange or register a transfer of any Note in the circumstances set forth in Section 2.11(a)(iv).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Neither
any members of, <FONT STYLE="color: windowtext">or </FONT>participants in, the <FONT STYLE="color: windowtext">Depositary </FONT>(collectively,
the &ldquo;<FONT STYLE="color: windowtext"><B>Agent Members</B></FONT>&rdquo;) nor any other <FONT STYLE="color: windowtext">Persons
</FONT>on whose behalf any <FONT STYLE="color: windowtext">Agent Member </FONT>may act shall have any rights under this <FONT STYLE="color: windowtext">Indenture
</FONT>with respect to any <FONT STYLE="color: windowtext">Global Note </FONT>registered in the name of the <FONT STYLE="color: windowtext">Depositary
or </FONT>any nominee thereof, <FONT STYLE="color: windowtext">or </FONT>under any such <FONT STYLE="color: windowtext">Global
Note</FONT>, and the <FONT STYLE="color: windowtext">Depositary or </FONT>such nominee, as the case may be, may be treated by the
<FONT STYLE="color: windowtext">Company</FONT>, the <FONT STYLE="color: windowtext">Trustee, the Agents </FONT>and any of their
respective agents as the absolute owner and <FONT STYLE="color: windowtext">Holder </FONT>of such <FONT STYLE="color: windowtext">Global
Note </FONT>for all purposes whatsoever. Neither the <FONT STYLE="color: windowtext">Trustee nor any Agent </FONT>shall have any
liability, responsibility <FONT STYLE="color: windowtext">or </FONT>obligation to any <FONT STYLE="color: windowtext">Agent Members
or </FONT>any other <FONT STYLE="color: windowtext">Person </FONT>on whose behalf <FONT STYLE="color: windowtext">Agent Members
</FONT>may act with respect to <FONT STYLE="color: windowtext">(i)&nbsp;</FONT>any ownership interests in the <FONT STYLE="color: windowtext">Global
Note</FONT>, <FONT STYLE="color: windowtext">(ii)&nbsp;</FONT>the accuracy of the records of the <FONT STYLE="color: windowtext">Depositary
or </FONT>its nominee, <FONT STYLE="color: windowtext">(iii)&nbsp;</FONT>any notice required <FONT STYLE="color: windowtext">hereunder,
(iv)&nbsp;</FONT>any payments under <FONT STYLE="color: windowtext">or </FONT>with respect to the <FONT STYLE="color: windowtext">Global
Note or (v) actions taken or not taken by any Agent Members</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding
the foregoing, nothing <FONT STYLE="color: windowtext">herein </FONT>shall prevent the <FONT STYLE="color: windowtext">Company</FONT>,
the <FONT STYLE="color: windowtext">Trustee, any Agent or </FONT>any of their respective agents from giving effect to any written
certification, proxy <FONT STYLE="color: windowtext">or </FONT>other authorization furnished by the <FONT STYLE="color: windowtext">Depositary
or </FONT>such nominee, as the case may be, <FONT STYLE="color: windowtext">or </FONT>impair, as between the <FONT STYLE="color: windowtext">Depositary</FONT>,
its <FONT STYLE="color: windowtext">Agent Members </FONT>and any other <FONT STYLE="color: windowtext">Person </FONT>on whose behalf
an <FONT STYLE="color: windowtext">Agent Member </FONT>may act, the operation of customary practices of such <FONT STYLE="color: windowtext">Persons
</FONT>governing the exercise of the rights of a <FONT STYLE="color: windowtext">Holder </FONT>of any <FONT STYLE="color: windowtext">Note</FONT>.
The registered <FONT STYLE="color: windowtext">Holder </FONT>of a <FONT STYLE="color: windowtext">Global Note </FONT>may grant
proxies and otherwise authorize any <FONT STYLE="color: windowtext">Person</FONT>, <FONT STYLE="color: windowtext">including Agent
Members </FONT>and persons that may hold interests through <FONT STYLE="color: windowtext">Agent Members</FONT>, to take any action
that a <FONT STYLE="color: windowtext">Holder </FONT>is entitled to take under this <FONT STYLE="color: windowtext">Indenture or
</FONT>the <FONT STYLE="color: windowtext">Notes</FONT>.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
2.07&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="color: windowtext">Transfer </FONT>Restrictions<FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Restricted
<FONT STYLE="color: windowtext">Notes</FONT></I>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Every
<FONT STYLE="color: windowtext">Note </FONT>(and any security issued in exchange therefor or substitution thereof) that bears,
or that is required under this <FONT STYLE="color: windowtext">Section&nbsp;2.07 </FONT>to bear, the <FONT STYLE="color: windowtext">Restricted
Notes Legend </FONT>will be deemed to be a &ldquo;<B>Restricted <FONT STYLE="color: windowtext">Note</FONT></B>.&rdquo; Each Restricted
Note will be subject to the restrictions on <FONT STYLE="color: windowtext">transfer </FONT>set forth in this <FONT STYLE="color: windowtext">Indenture
</FONT>(including in the <FONT STYLE="color: windowtext">Restricted Notes Legend</FONT>) and will bear the restricted CUSIP number
for the <FONT STYLE="color: windowtext">Notes </FONT>unless the Company notifies the Trustee in writing that such restrictions
on <FONT STYLE="color: windowtext">transfer </FONT>are eliminated or otherwise waived by written consent of the <FONT STYLE="color: windowtext">Company
</FONT>(including, without limitation, by the Company&rsquo;s delivery of the Free Transferability Certificate as provided herein),
and each <FONT STYLE="color: windowtext">Holder </FONT>of a Restricted Note, by such <FONT STYLE="color: windowtext">Holder</FONT>&rsquo;s
acceptance of such Restricted Note, will be deemed to be bound by the restrictions on <FONT STYLE="color: windowtext">transfer
</FONT>applicable to such Restricted Note.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Until
the <FONT STYLE="color: windowtext">Resale Restriction Termination Date</FONT>, any Note will bear the <FONT STYLE="color: windowtext">Restricted
Notes Legend </FONT>unless:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: 0.5in">(A)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;such
<FONT STYLE="color: windowtext">Note</FONT>, since last held by the <FONT STYLE="color: windowtext">Company </FONT>or an <FONT STYLE="color: windowtext">affiliate
</FONT>of the <FONT STYLE="color: windowtext">Company </FONT>(within the meaning of <FONT STYLE="color: windowtext">Rule&nbsp;144</FONT>),
if ever, was transferred <FONT STYLE="color: windowtext">(1)&nbsp;</FONT>to a <FONT STYLE="color: windowtext">Person </FONT>other
than <FONT STYLE="color: windowtext">(x)&nbsp;</FONT>the <FONT STYLE="color: windowtext">Company,</FONT> <FONT STYLE="color: windowtext">(y)&nbsp;</FONT>an
<FONT STYLE="color: windowtext">affiliate </FONT>of the <FONT STYLE="color: windowtext">Company </FONT>(within the meaning of <FONT STYLE="color: windowtext">Rule&nbsp;144</FONT>)
or (z) a <FONT STYLE="color: windowtext">Person </FONT>that was an <FONT STYLE="color: windowtext">affiliate </FONT>of the <FONT STYLE="color: windowtext">Company
</FONT>(within the meaning of <FONT STYLE="color: windowtext">Rule&nbsp;144</FONT>) within the 90 days immediately preceding such
<FONT STYLE="color: windowtext">transfer </FONT>and <FONT STYLE="color: windowtext">(2)&nbsp;</FONT>pursuant to a registration
statement that was effective under the <FONT STYLE="color: windowtext">Securities Act </FONT>at the time of such <FONT STYLE="color: windowtext">transfer</FONT>;
or</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: 1in">(2)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;such
Note was transferred (1)&nbsp;to a Person other than (x)&nbsp;the Company or (y)&nbsp;an affiliate of the Company (within the meaning
of Rule&nbsp;144) or a Person that was an affiliate of the Company (within the meaning of Rule&nbsp;144) within the 90 days immediately
preceding such transfer and (2)&nbsp;pursuant to the exemption from registration provided by Rule&nbsp;144 or any similar provision
then in force under the Securities Act;<B> </B>and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(B)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
<FONT STYLE="color: windowtext">Company </FONT>delivers written notice to the <FONT STYLE="color: windowtext">Trustee </FONT>and
the <FONT STYLE="color: windowtext">Registrar </FONT>(including, without limitation, by the Company&rsquo;s delivery of the Free
Transferability Certificate as provided herein) stating that the <FONT STYLE="color: windowtext">Restricted Notes Legend </FONT>may
be removed from such <FONT STYLE="color: windowtext">Note</FONT> and all Applicable Procedures have been complied with.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
addition, until the Resale Restriction Termination Date, no <FONT STYLE="color: windowtext">transfer </FONT>of any Restricted <FONT STYLE="color: windowtext">Note
</FONT>will be registered by the <FONT STYLE="color: windowtext">Registrar </FONT>unless the transferring <FONT STYLE="color: windowtext">Holder
</FONT>delivers to the <FONT STYLE="color: windowtext">Trustee</FONT> a completed notice substantially in the form of the <FONT STYLE="color: windowtext">Form
of Assignment and Transfer, which contains a certification that the transferee is Protalix BioTherapeutics, Inc. or a subsidiary
thereof or that the transferee is </FONT>not an <FONT STYLE="color: windowtext">affiliate </FONT>of the <FONT STYLE="color: windowtext">Company
</FONT>(within the meaning of <FONT STYLE="color: windowtext">Rule&nbsp;144</FONT>) and has not been an <FONT STYLE="color: windowtext">affiliate
</FONT>of the <FONT STYLE="color: windowtext">Company </FONT>(within the meaning of <FONT STYLE="color: windowtext">Rule&nbsp;144</FONT>)
within the 90 days immediately preceding the date of such proposed <FONT STYLE="color: windowtext">transfer</FONT>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
and after the Resale Restriction Termination Date, any Note will bear the Restricted Note Legend if at any time the Company determines
that, to comply with law, such Note must bear the Restricted Notes Legend and the Company notifies the Trustee in writing.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Restricted
Stock</I>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Every
share of Common Stock that bears, or that is required under this Section 2.07 to bear, the Restricted Stock Legend will be deemed
to be &ldquo;<B>Restricted Stock&rdquo;</B>. Each share of Restricted Stock will be subject to the restrictions on transfer set
forth in this Indenture (including in the Restricted Stock Legend) and will bear a restricted CUSIP number unless such restrictions
on transfer are eliminated or otherwise waived by written consent (including, without limitation, by the Company&rsquo;s delivery
of the Free Transferability Certificate in connection with the Notes as provided herein) of the Company, and each Holder of Restricted
Stock, by such Holder's acceptance of Restricted Stock, will be deemed to be bound by the restrictions on transfer applicable to
such Restricted Stock.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Until
the Resale Restriction Termination Date, any shares of Common Stock issued upon the conversion of a Note, and any shares of Common
Stock issued upon conversion of a Restricted Note, will be issued in book-entry form by or on behalf of the Company and will bear
the Restricted Stock Legend unless the Company delivers written notice to the transfer agent for the Common Stock stating that
such shares of Common Stock need not bear the Restricted Stock Legend.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On
and after the Resale Restriction Termination Date, shares of Common Stock will be issued in book-entry form and will bear the Restricted
Stock Legend at any time the Company reasonably determines that, to comply with law, such shares of Common Stock must bear the
Restricted Stock Legend.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;As
used in this <FONT STYLE="color: windowtext">Section&nbsp;2.07</FONT>, the term &ldquo;<FONT STYLE="color: windowtext"><B>transfer</B></FONT>&rdquo;
means any sale, pledge, <FONT STYLE="color: windowtext">transfer</FONT>, loan, hypothecation or other disposition whatsoever of
any Restricted <FONT STYLE="color: windowtext">Note</FONT>, any interest therein or any Restricted Stock.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All
Notes, whether Global Notes or Physical Notes, are required to bear the Non-Affiliate Legend at all times, whether before or after
the Resale Restriction Termination Date.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
2.08&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Expiration of Restrictions<FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="color: windowtext"><I>Physical
Notes</I></FONT>. Any <FONT STYLE="color: windowtext">Physical Note </FONT>(or any security issued in exchange or substitution
therefor) that does not constitute a Restricted Note may be exchanged for a new Note or <FONT STYLE="color: windowtext">Notes </FONT>of
like tenor and aggregate <FONT STYLE="color: windowtext">principal amount </FONT>that do not bear the <FONT STYLE="color: windowtext">Restricted
Notes Legend </FONT>required by <FONT STYLE="color: windowtext">Section&nbsp;2.07.</FONT> To exercise such right of exchange, the
<FONT STYLE="color: windowtext">Holder </FONT>of such <FONT STYLE="color: windowtext">Note </FONT>must surrender such <FONT STYLE="color: windowtext">Note
</FONT>in accordance with the provisions of <FONT STYLE="color: windowtext">Section&nbsp;2.11 </FONT>and deliver any additional
documentation required by this Indenture <FONT STYLE="color: windowtext">in connection with </FONT>such exchange.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Global
Notes; Resale Restriction Termination Date</I>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If,
on the Free Trade Date, or the next succeeding Business Day if the Free Trade Date is not a Business Day, any Notes are represented
by a Global Note that is a Restricted Note (any such Global Note, a &ldquo;<B>Restricted Global Note</B>&rdquo;), as promptly as
practicable, the Company will automatically exchange every beneficial interest in each Restricted Global Note for beneficial interests
in Global Notes that do not bear the Restricted Notes Legend are not subject to the restrictions set forth in the Restricted Notes
Legend and in Section&nbsp;2.07.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To
effect such automatic exchange, the <FONT STYLE="color: windowtext">Company </FONT>will <FONT STYLE="color: windowtext">(A)&nbsp;</FONT>deliver
to the <FONT STYLE="color: windowtext">Depositary </FONT>an instruction letter for the <FONT STYLE="color: windowtext">Depositary</FONT>&rsquo;s
mandatory exchange process at least 15 days immediately prior to the <FONT STYLE="color: windowtext">Free Trade Date (with a copy
to the Trustee) </FONT>and <FONT STYLE="color: windowtext">(B)&nbsp;</FONT>deliver to each of the <FONT STYLE="color: windowtext">Trustee
</FONT>and the <FONT STYLE="color: windowtext">Registrar </FONT>a duly completed <FONT STYLE="color: windowtext">Free Transferability
Certificate </FONT>promptly after the <FONT STYLE="color: windowtext">Free Trade Date</FONT>. The date <FONT STYLE="color: windowtext">of</FONT>
the <FONT STYLE="color: windowtext">Free Transferability Certificate </FONT>will be known as the &ldquo;<FONT STYLE="color: windowtext"><B>Resale
Restriction Termination Date</B></FONT>&rdquo;. The Trustee shall assume that the Free Trade Date has not occurred unless and until
it receives a Free Transferability Certificate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Immediately
upon receipt of the Free Transferability Certificate by each of the Trustee and the Registrar:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(A)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
the Restricted Notes Legend will be deemed removed from each of the Global Notes specified in such Free Transferability Certificate
and the restricted CUSIP number will be deemed removed from each of such Global Notes and deemed replaced with the unrestricted
CUSIP number;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(B)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
the Restricted Stock Legend will be deemed removed from any shares of Common Stock previously issued upon conversion of the Notes;
and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(C)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;thereafter,
shares of Common Stock issued upon conversion of the Notes will be assigned an unrestricted CUSIP number and will not bear the
Restricted Stock Legend (except as provided in Section 2.07(b)(iii)) or any similar legend.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Promptly
after the <FONT STYLE="color: windowtext">Resale Restriction Termination Date</FONT>, the <FONT STYLE="color: windowtext">Company
</FONT>will provide <FONT STYLE="color: windowtext">Bloomberg LLP </FONT>with a copy of the <FONT STYLE="color: windowtext">Free
Transferability Certificate </FONT>and will use reasonable efforts to cause <FONT STYLE="color: windowtext">Bloomberg LLP </FONT>to
adjust its screen page for the <FONT STYLE="color: windowtext">Notes </FONT>to indicate that the <FONT STYLE="color: windowtext">Notes
</FONT>are no longer <FONT STYLE="color: windowtext">Restricted Notes </FONT>and are then identified by an unrestricted CUSIP number.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(v)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prior
to the <FONT STYLE="color: windowtext">Company&rsquo;s</FONT> delivery of the <FONT STYLE="color: windowtext">Free Transferability
Certificate </FONT>and afterwards, the <FONT STYLE="color: windowtext">Company </FONT>and the <FONT STYLE="color: windowtext">Trustee
</FONT>will comply with the <FONT STYLE="color: windowtext">Applicable Procedures </FONT>and the Company shall otherwise use reasonable
efforts to cause each <FONT STYLE="color: windowtext">Global Note that is not required to bear the Restricted Notes Legend </FONT>to
be identified by an unrestricted CUSIP number in the facilities of the <FONT STYLE="color: windowtext">Depositary </FONT>by the
date the <FONT STYLE="color: windowtext">Free Transferability Certificate </FONT>is delivered to the <FONT STYLE="color: windowtext">Trustee
</FONT>and the <FONT STYLE="color: windowtext">Registrar </FONT>or as promptly as possible thereafter.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(vi)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding
anything to the contrary in <FONT STYLE="color: windowtext">Sections&nbsp;2.08(b)(i)</FONT>, <FONT STYLE="color: windowtext">(ii)&nbsp;</FONT>or
<FONT STYLE="color: windowtext">(iii)</FONT>,<FONT STYLE="text-transform: uppercase"> </FONT>the <FONT STYLE="color: windowtext">Company
</FONT>will not be required to deliver the <FONT STYLE="color: windowtext">Free Transferability Certificate </FONT>if it reasonably
believes that removal of the <FONT STYLE="color: windowtext">Restricted Notes Legend </FONT>or the changes to the CUSIP numbers
for the <FONT STYLE="color: windowtext">Notes </FONT>could result in or facilitate transfers of the <FONT STYLE="color: windowtext">Notes
</FONT>in violation of applicable law.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.09&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Mutilated,
Destroyed, Lost and Stolen Notes. <FONT STYLE="font-weight: normal; font-style: normal">If any mutilated Note is surrendered to
the Trustee, the Company shall execute, and the Trustee shall, upon Company Order, authenticate and deliver, in exchange therefor
a new Note of like tenor and principal amount and bearing a number not contemporaneously outstanding. If there shall be delivered
to the Company and the Trustee (i)&nbsp;evidence to their satisfaction of the destruction, loss or theft of any Note and (ii)&nbsp;such
security or indemnity as may be required by them to save each of them and any agent of either of them harmless, then, in the absence
of written notice to the Company or the Trustee that such Note has been acquired by a protected purchaser, the Company shall execute,
and the Trustee shall authenticate and deliver, in lieu of any such destroyed, lost or stolen Note, a new Note of like tenor and
principal amount and bearing a number not contemporaneously outstanding</FONT></FONT><FONT STYLE="font-weight: normal; font-style: normal">.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In case any such mutilated, destroyed, lost
or stolen Note has become due and payable, the Company in its discretion may, instead of issuing a new Note, pay such Note.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Upon the issuance of any new Note under
this Section 2.09, the Company may require payment by the Holder of a sum sufficient to cover any tax or other governmental charge
that may be imposed in relation thereto and any other expenses (including the fees and expenses of the Trustee) connected therewith.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Every new Note issued pursuant to this Section
2.09 in lieu of any destroyed, lost or stolen Note shall constitute an original additional contractual obligation of the Company,
whether or not the destroyed, lost or stolen Note shall be at any time enforceable by anyone, and shall be entitled to all the
benefits of this Indenture equally and proportionately with any and all other Notes duly issued hereunder.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The provisions of this Section are exclusive
and shall preclude (to the extent lawful) all other rights and remedies with respect to the replacement or payment of mutilated,
destroyed, lost or stolen Notes.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.10&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><FONT STYLE="color: windowtext">Persons
</FONT>Deemed Owners. <FONT STYLE="font-weight: normal; font-style: normal">Subject to the rights of Holders as of the Regular
Record Date to receive payments of interest on the related Interest Payment Date, prior to due presentment of a Note for registration
of transfer, the Company, the Trustee, each Agent, and any of their respective agents may treat the Person in whose name such
Note is registered in the Register as the owner of such Note for the purpose of receiving payment of the principal of such Note
and for all other purposes whatsoever, whether or not such Note be overdue, and neither the Company, the Trustee, the Agents nor
any of their respective agents shall be affected by notice to the contrary.</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
2.11&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Transfer and Exchange<FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Provisions
Applicable to All Transfers and Exchanges</I>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Subject
to the restrictions set forth in this Section&nbsp;<FONT STYLE="color: windowtext">2.11</FONT>, <FONT STYLE="color: windowtext">Physical
Notes </FONT>and beneficial interests in <FONT STYLE="color: windowtext">Global Notes </FONT>may be transferred or exchanged from
time to time as desired, and each such <FONT STYLE="color: windowtext">transfer </FONT>or exchange will be noted by the <FONT STYLE="color: windowtext">Registrar
</FONT>in the <FONT STYLE="color: windowtext">Register</FONT>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All
<FONT STYLE="color: windowtext">Notes </FONT>issued upon any registration of <FONT STYLE="color: windowtext">transfer </FONT>or
exchange in accordance with this <FONT STYLE="color: windowtext">Indenture </FONT>will be the valid obligations of the <FONT STYLE="color: windowtext">Company</FONT>,
evidencing the same debt, and entitled to the same benefits under this <FONT STYLE="color: windowtext">Indenture </FONT>as the
<FONT STYLE="color: windowtext">Notes </FONT>surrendered upon such registration of <FONT STYLE="color: windowtext">transfer </FONT>or
exchange.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;No
service charge will be imposed on any <FONT STYLE="color: windowtext">Holder </FONT>of a <FONT STYLE="color: windowtext">Physical
Note </FONT>or any owner of a beneficial interest in a <FONT STYLE="color: windowtext">Global Note </FONT>for any exchange or registration
of <FONT STYLE="color: windowtext">transfer</FONT>, but each of the <FONT STYLE="color: windowtext">Company</FONT>, the <FONT STYLE="color: windowtext">Trustee
</FONT>or the <FONT STYLE="color: windowtext">Registrar </FONT>may require such <FONT STYLE="color: windowtext">Holder </FONT>or
owner of a beneficial interest to pay a sum sufficient to cover any <FONT STYLE="color: windowtext">transfer </FONT>tax, assessment
or other governmental charge imposed <FONT STYLE="color: windowtext">in connection with </FONT>such registration of <FONT STYLE="color: windowtext">transfer
</FONT>or exchange.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Unless
the <FONT STYLE="color: windowtext">Company </FONT>specifies otherwise, none of the <FONT STYLE="color: windowtext">Company</FONT>,
the <FONT STYLE="color: windowtext">Trustee</FONT>, the <FONT STYLE="color: windowtext">Registrar </FONT>or any <FONT STYLE="color: windowtext">co-Registrar
</FONT>will be required to exchange or <FONT STYLE="color: windowtext">register </FONT>a <FONT STYLE="color: windowtext">transfer
</FONT>of any <FONT STYLE="color: windowtext">Note (i)&nbsp;</FONT>that has been surrendered for conversion, (ii) as to which Section&nbsp;10.05
is applicable or <FONT STYLE="color: windowtext">(i</FONT>ii)&nbsp;as to which a <FONT STYLE="color: windowtext">Fundamental Change
Purchase Notice </FONT>has been delivered and not withdrawn, except to the extent any portion of such <FONT STYLE="color: windowtext">Note
</FONT>is not subject to the foregoing.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(v)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Neither
the <FONT STYLE="color: windowtext">Trustee nor any Agent </FONT>will have any obligation or duty to monitor, determine or inquire
as to compliance with any restrictions on <FONT STYLE="color: windowtext">transfer </FONT>imposed under this <FONT STYLE="color: windowtext">Indenture
</FONT>or under applicable law with respect to any <FONT STYLE="color: windowtext">transfer </FONT>of any interest in any <FONT STYLE="color: windowtext">Note
</FONT>(including any transfers between or among <FONT STYLE="color: windowtext">Depositary </FONT>participants or beneficial owners
of interests in any <FONT STYLE="color: windowtext">Global Note</FONT>) other than to require delivery of such certificates and
other documentation or evidence as are expressly required by, and to do so if and when expressly required by the terms of, this
<FONT STYLE="color: windowtext">Indenture</FONT>, and to examine the same to determine substantial compliance as to form with the
express requirements hereof.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>In
General;</I> <FONT STYLE="color: windowtext"><I>Transfer </I></FONT><I>and Exchange of Beneficial Interests in <FONT STYLE="color: windowtext">Global
Notes</FONT>.</I> So long as the <FONT STYLE="color: windowtext">Notes </FONT>are eligible for book-entry settlement with the <FONT STYLE="color: windowtext">Depositary</FONT>,
unless otherwise required by law or by <FONT STYLE="color: windowtext">Section&nbsp;2.11(c)</FONT>:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;all
<FONT STYLE="color: windowtext">Notes </FONT>will be represented by one or more <FONT STYLE="color: windowtext">Global Notes</FONT>;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;every
<FONT STYLE="color: windowtext">transfer </FONT>and exchange of a beneficial interest in a <FONT STYLE="color: windowtext">Global
Note </FONT>will be effected through the <FONT STYLE="color: windowtext">Depositary </FONT>in accordance with the <FONT STYLE="color: windowtext">Applicable
Procedures </FONT>and the provisions of this <FONT STYLE="color: windowtext">Indenture </FONT>(including the restrictions on <FONT STYLE="color: windowtext">transfer
</FONT>set forth in <FONT STYLE="color: windowtext">Section&nbsp;2.07)</FONT>; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;each
<FONT STYLE="color: windowtext">Global Note </FONT>may be transferred only as a whole and only <FONT STYLE="color: windowtext">(A)&nbsp;</FONT>by
the <FONT STYLE="color: windowtext">Depositary </FONT>to a nominee of the <FONT STYLE="color: windowtext">Depositary</FONT>, <FONT STYLE="color: windowtext">(B)&nbsp;</FONT>by
a nominee of the <FONT STYLE="color: windowtext">Depositary </FONT>to the <FONT STYLE="color: windowtext">Depositary </FONT>or
to another nominee of the <FONT STYLE="color: windowtext">Depositary</FONT> or <FONT STYLE="color: windowtext">(C)&nbsp;</FONT>by
the <FONT STYLE="color: windowtext">Depositary </FONT>or any such nominee to a successor <FONT STYLE="color: windowtext">Depositary
</FONT>or a nominee of such successor <FONT STYLE="color: windowtext">Depositary</FONT>.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Transfer
and Exchange of Global Notes for Physical Notes</I>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding
any other provision of this <FONT STYLE="color: windowtext">Indenture</FONT>, each <FONT STYLE="color: windowtext">Global Note
</FONT>will be exchanged for <FONT STYLE="color: windowtext">Physical Notes </FONT>if the <FONT STYLE="color: windowtext">Depositary
</FONT>delivers notice to the <FONT STYLE="color: windowtext">Company </FONT>that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(A)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
<FONT STYLE="color: windowtext">Depositary </FONT>is unwilling or unable to continue to act as <FONT STYLE="color: windowtext">Depositary</FONT>;
or</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(B)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
<FONT STYLE="color: windowtext">Depositary </FONT>is no longer registered as a clearing agency under the <FONT STYLE="color: windowtext">Exchange
Act or is otherwise no longer permitted under applicable law to continue as Depositary for such Global Note</FONT>;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">and, in each case, the Company promptly
delivers a copy of such notice to the Trustee and the Company fails to appoint a successor Depositary within 90 days after receiving
notice from the Depositary.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">In each such case, the Company
will, in accordance with Section&nbsp;2.04, promptly execute, and, upon receipt of a Company Order, the Trustee will, in accordance
with Section&nbsp;2.04, will promptly authenticate and deliver, for each beneficial interest in each Global Note so exchanged,
an aggregate principal amount of Physical Notes equal to the aggregate principal amount of such beneficial interest, registered
in such names and in such authorized denominations as the Depositary specifies, and bearing any legends that such Physical Notes
are required to bear under Section&nbsp;2.07.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
addition, if an Event of <FONT STYLE="color: windowtext">Default </FONT>has occurred with regard to the Notes represented by the
relevant Global Note and such Event of Default has not been cured or waived, any owner of a beneficial interest in a <FONT STYLE="color: windowtext">Global
Note may </FONT>deliver a written request through the <FONT STYLE="color: windowtext">Despositary</FONT> to exchange such beneficial
interest for <FONT STYLE="color: windowtext">Physical Notes</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">In such case, (A)&nbsp;the Registrar
will deliver notice of such request to the Company and the Trustee, which notice will identify the aggregate principal amount of
such beneficial interest and the CUSIP of the relevant Global Note; (B)&nbsp;the Company will, in accordance with Section&nbsp;2.04,
promptly execute, and, upon receipt of a Company Order, the Trustee, in accordance with Section&nbsp;2.04, will promptly authenticate
and deliver, to such owner, for the beneficial interest so exchanged by such owner, Physical Notes registered in such owner&rsquo;s
name having an aggregate principal amount equal to the aggregate principal amount of such beneficial interest as the Depositary
specifies, and bearing any legends that such Physical Notes are required to bear under Section&nbsp;2.07; and (C)&nbsp;the Trustee,
in accordance with the Applicable Procedures, will cause the principal amount of such Global Note to be decreased by the aggregate
principal amount of the beneficial interest so exchanged. If all of the beneficial interests in a Global Note are so exchanged,
such Global Note will be deemed surrendered to the Trustee for cancellation, and the Trustee will cause such Global Note to be
cancelled in accordance with the Applicable Procedures.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Transfer
and Exchange of Physical Notes</I>.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
<FONT STYLE="color: windowtext">Physical Notes </FONT>are issued, a <FONT STYLE="color: windowtext">Holder </FONT>may <FONT STYLE="color: windowtext">transfer
</FONT>a <FONT STYLE="color: windowtext">Physical Note </FONT>by: <FONT STYLE="color: windowtext">(A)&nbsp;</FONT>surrendering
such <FONT STYLE="color: windowtext">Physical Note </FONT>for registration of <FONT STYLE="color: windowtext">transfer </FONT>to
the <FONT STYLE="color: windowtext">Registrar</FONT>, together with any endorsements or instruments of <FONT STYLE="color: windowtext">transfer
</FONT>required by any of the <FONT STYLE="color: windowtext">Company</FONT>, the <FONT STYLE="color: windowtext">Trustee </FONT>or
the <FONT STYLE="color: windowtext">Registrar</FONT>; <FONT STYLE="color: windowtext">(B)&nbsp;</FONT>if such <FONT STYLE="color: windowtext">Physical
Note </FONT>is a Restricted Note, delivering any documentation required by <FONT STYLE="color: windowtext">Section&nbsp;2.07</FONT>;
and <FONT STYLE="color: windowtext">(C)&nbsp;</FONT>satisfying all other requirements for such <FONT STYLE="color: windowtext">transfer
</FONT>set forth in this <FONT STYLE="color: windowtext">Section&nbsp;2.11 </FONT>and <FONT STYLE="color: windowtext">Section&nbsp;2.07.</FONT>
Upon the satisfaction of conditions <FONT STYLE="color: windowtext">(A)</FONT>, <FONT STYLE="color: windowtext">(B) </FONT>and
<FONT STYLE="color: windowtext">(C) of the immediately preceding sentence</FONT>, the <FONT STYLE="color: windowtext">Company</FONT>,
in accordance with <FONT STYLE="color: windowtext">Section&nbsp;2.04</FONT>, will promptly execute and deliver to the <FONT STYLE="color: windowtext">Trustee</FONT>,
and the <FONT STYLE="color: windowtext">Trustee</FONT>, upon receipt of a <FONT STYLE="color: windowtext">Company Order</FONT>,
will, in accordance with <FONT STYLE="color: windowtext">Section&nbsp;2.04</FONT>, promptly authenticate and deliver, in the name
of the designated transferee or transferees, one or more new <FONT STYLE="color: windowtext">Physical Notes</FONT>, of any authorized
denomination, having like aggregate <FONT STYLE="color: windowtext">principal amount </FONT>and bearing any restrictive legends
that such Physical Notes are required to bear under <FONT STYLE="color: windowtext">Section&nbsp;2.07.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
<FONT STYLE="color: windowtext">Physical Notes </FONT>are issued, a <FONT STYLE="color: windowtext">Holder </FONT>may exchange
a <FONT STYLE="color: windowtext">Physical Note </FONT>for other <FONT STYLE="color: windowtext">Physical Notes </FONT>of any authorized
denominations and aggregate <FONT STYLE="color: windowtext">principal amount </FONT>equal to the aggregate <FONT STYLE="color: windowtext">principal
amount </FONT>of the <FONT STYLE="color: windowtext">Notes </FONT>to be exchanged by surrendering such <FONT STYLE="color: windowtext">Notes</FONT>,
together with any endorsements or instruments of <FONT STYLE="color: windowtext">transfer </FONT>required by any of the <FONT STYLE="color: windowtext">Company</FONT>,
the <FONT STYLE="color: windowtext">Trustee </FONT>or the <FONT STYLE="color: windowtext">Registrar</FONT>, at any office or agency
maintained by the <FONT STYLE="color: windowtext">Company </FONT>for such purposes pursuant to Section 5.02<FONT STYLE="color: windowtext">.</FONT>
Whenever a <FONT STYLE="color: windowtext">Holder </FONT>surrenders <FONT STYLE="color: windowtext">Notes </FONT>for exchange,
the <FONT STYLE="color: windowtext">Company</FONT>, in accordance with <FONT STYLE="color: windowtext">Section&nbsp;2.04</FONT>,
will promptly execute and deliver to the <FONT STYLE="color: windowtext">Trustee</FONT>, and the <FONT STYLE="color: windowtext">Trustee</FONT>,
upon receipt of a <FONT STYLE="color: windowtext">Company Order</FONT> and in accordance with <FONT STYLE="color: windowtext">Section&nbsp;2.04</FONT>,
will promptly authenticate and deliver the <FONT STYLE="color: windowtext">Notes </FONT>that such <FONT STYLE="color: windowtext">Holder
</FONT>is entitled to receive, bearing registration numbers not contemporaneously <FONT STYLE="color: windowtext">outstanding </FONT>and
any legends that such <FONT STYLE="color: windowtext">Physical Notes </FONT>are required to bear under <FONT STYLE="color: windowtext">Section&nbsp;2.07.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
<FONT STYLE="color: windowtext">Physical Notes </FONT>are issued, a <FONT STYLE="color: windowtext">Holder </FONT>may <FONT STYLE="color: windowtext">transfer
</FONT>or exchange a <FONT STYLE="color: windowtext">Physical Note </FONT>for a beneficial interest in a <FONT STYLE="color: windowtext">Global
Security </FONT>by <FONT STYLE="color: windowtext">(A)&nbsp;</FONT>surrendering such <FONT STYLE="color: windowtext">Physical Note
</FONT>for registration of <FONT STYLE="color: windowtext">transfer </FONT>or exchange, together with any endorsements or instruments
of <FONT STYLE="color: windowtext">transfer </FONT>required by any of the Company, the <FONT STYLE="color: windowtext">Trustee
</FONT>or the <FONT STYLE="color: windowtext">Registrar</FONT>, at any office or agency maintained by the <FONT STYLE="color: windowtext">Company
</FONT>for such purposes pursuant to Section 5.02; <FONT STYLE="color: windowtext">(B)&nbsp;</FONT>if such <FONT STYLE="color: windowtext">Physical
Note </FONT>is a Restricted Note, delivering any documentation required by <FONT STYLE="color: windowtext">Section&nbsp;2.07</FONT>;
<FONT STYLE="color: windowtext">(C)&nbsp;</FONT>satisfying all other requirements for such <FONT STYLE="color: windowtext">transfer
</FONT>set forth in this <FONT STYLE="color: windowtext">Section&nbsp;2.11 </FONT>and <FONT STYLE="color: windowtext">Section&nbsp;2.07</FONT>;
and <FONT STYLE="color: windowtext">(D)&nbsp;</FONT>providing written instructions to the <FONT STYLE="color: windowtext">Trustee
</FONT>to make, or to direct the <FONT STYLE="color: windowtext">Registrar </FONT>to make, an adjustment in its books and records
with respect to the applicable <FONT STYLE="color: windowtext">Global Note </FONT>to reflect an increase in the aggregate <FONT STYLE="color: windowtext">principal
amount </FONT>of the <FONT STYLE="color: windowtext">Notes </FONT>represented by such <FONT STYLE="color: windowtext">Global Note</FONT>,
which instructions will contain information regarding the <FONT STYLE="color: windowtext">Depositary </FONT>account to be credited
with such increase. Upon the satisfaction of conditions <FONT STYLE="color: windowtext">(A)</FONT>, <FONT STYLE="color: windowtext">(B)</FONT>,
<FONT STYLE="color: windowtext">(C) </FONT>and <FONT STYLE="color: windowtext">(D)</FONT>, the <FONT STYLE="color: windowtext">Trustee
</FONT>will cancel such <FONT STYLE="color: windowtext">Physical Note </FONT>and cause, in accordance with the <FONT STYLE="color: windowtext">Applicable
Procedures</FONT>, the aggregate <FONT STYLE="color: windowtext">principal amount </FONT>of <FONT STYLE="color: windowtext">Notes
</FONT>represented by such <FONT STYLE="color: windowtext">Global Note </FONT>to be increased by the aggregate <FONT STYLE="color: windowtext">principal
amount </FONT>of such <FONT STYLE="color: windowtext">Physical Note</FONT>, and will credit or cause to be credited the account
of the <FONT STYLE="color: windowtext">Person </FONT>specified in the instructions <FONT STYLE="color: windowtext">provided </FONT>by
the exchanging <FONT STYLE="color: windowtext">Holder </FONT>in an amount equal to the aggregate <FONT STYLE="color: windowtext">principal
amount </FONT>of such <FONT STYLE="color: windowtext">Physical Note</FONT>. If no <FONT STYLE="color: windowtext">Global Notes
</FONT>are then <FONT STYLE="color: windowtext">Outstanding</FONT>, the <FONT STYLE="color: windowtext">Company</FONT>, in accordance
with <FONT STYLE="color: windowtext">Section&nbsp;2.04</FONT>, will promptly execute and deliver to the <FONT STYLE="color: windowtext">Trustee</FONT>,
and the <FONT STYLE="color: windowtext">Trustee</FONT>, upon receipt of a <FONT STYLE="color: windowtext">Company Order</FONT>
and in accordance with <FONT STYLE="color: windowtext">Section&nbsp;2.04</FONT>, will authenticate, a new <FONT STYLE="color: windowtext">Global
Note </FONT>in the appropriate aggregate principal amount.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.12&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Purchase
of Notes; Cancellation. <FONT STYLE="font-weight: normal; font-style: normal">The Company may, to the extent permitted by law,
and directly or indirectly (regardless of whether such Notes are surrendered to the Company), purchase Notes in the open market
or by tender offer at any price or by private agreement. The Company will cause any Notes so purchased (other than Notes purchased
indirectly pursuant to cash-settled swaps or other derivatives that are not physically settled) to be surrendered to the Trustee
for cancellation. For the avoidance of doubt, any such Notes purchased by the Company will be retired and no longer Outstanding
hereunder.</FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company shall deliver to the Trustee
for cancellation any Notes previously authenticated and delivered hereunder that the Company may have acquired in any manner whatsoever,
and may deliver to the Trustee for cancellation any Notes previously authenticated hereunder which the Company has not issued and
sold. The Trustee shall cancel all Notes surrendered for registration of transfer, exchange, payment, purchase, repurchase, conversion
or cancellation in accordance with its customary practices. If the Company shall acquire any of the Notes in any manner whatsoever,
such acquisition shall not operate as a redemption or satisfaction of the indebtedness represented by such Notes unless and until
the same are delivered to the Trustee for cancellation. The Notes so acquired, while held by or on behalf of the Company or any
of its Subsidiaries, shall not entitle the Holder thereof to convert the Notes. The Company may not issue new Notes to replace
Notes it has paid in full or delivered to the Trustee for cancellation.&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Registrar shall retain, in accordance
with its customary procedures, copies of all letters, notices and other written communications received pursuant to this Section
2.12. The Company shall have the right to inspect and make copies of all such letters, notices or other written communications
at any reasonable time upon the giving of reasonable written notice to the Registrar.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.13&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">CUSIP
Numbers. <FONT STYLE="font-weight: normal; font-style: normal">In issuing the Notes, the Company may use &ldquo;CUSIP&rdquo; numbers
(if then generally in use), and, if so, the Trustee shall use &ldquo;CUSIP&rdquo; numbers in notices of redemption as a convenience
to Holders; </FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><I>provided</I><FONT STYLE="font-style: normal">
that the Trustee shall have no liability for any defect in the CUSIP numbers as they appear on any Notes, notice, or elsewhere
and; </FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><I>provided further</I><FONT STYLE="font-weight: normal; font-style: normal">,
that any such notice may state that no representation is made as to the correctness of such numbers either as printed on the Notes
or as contained in any notice of a redemption and that reliance may be placed only on the other identification numbers printed
on the Notes, and any such redemption shall not be affected by any defect in or omission of such numbers. The Company will promptly
notify the Trustee in writing of any change in the &ldquo;CUSIP&rdquo; numbers.</FONT></FONT></P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
2.14&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Payment
and Computation of Interest. <FONT STYLE="font-weight: normal; font-style: normal">The Notes will bear cash interest at a rate
of 4.50% per year until the Maturity Date, unless earlier purchased, converted or redeemed in accordance with the provisions herein.
Interest on the Notes will accrue from the most recent date on which interest has been paid or duly provided for or, if no interest
has been paid or duly provided for, (x) in the case of the Initial Notes, September 18, 2013 or (y) in the case of any other Notes,
the date of original issuance of such Notes. Interest will be paid to the Person in whose name a Note is registered at the Close
of Business on the Regular Record Date immediately preceding the relevant Interest Payment Date semiannually in arrears on each
Interest Payment Date; </FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">provided<FONT STYLE="font-style: normal">
that, if any Interest Payment Date, Maturity Date, Redemption Date or Fundamental Change Purchase Date of a Note falls on a day
that is not a Business Day, the required payment will be made on the next succeeding Business Day and no interest on such payment
will accrue in respect of the delay. Interest on the Notes shall be computed on the basis of a 360-day year consisting of twelve
30-day months; </FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">provided, however<FONT STYLE="font-style: normal">,
that for any period in which a particular interest rate is applicable for less than a full semiannual period, interest on the
Notes will be computed on the basis of a 30-day month and, for periods of less than a month, the actual number of days elapsed
over a 30-day month.</FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Payments of the Fundamental Change Purchase
Price, Redemption Price, Additional Amounts, principal and interest on any Note, in each case, that are not made when due will
accrue interest per annum at the then-applicable interest rate <I>plus</I> one percent from the required payment date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company will pay Additional Interest
under certain circumstances as provided in Section 5.08 and 6.03.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none">ARTICLE
3.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in">REPURCHASE
AT THE OPTION OF THE HOLDERS</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
3.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><I>Purchase
at Option of Holders upon a Fundamental Change</I>. <FONT STYLE="font-weight: normal; font-style: normal">If a </FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Fundamental
Change occurs, then each Holder shall have the right, at such Holder&rsquo;s option, to require the Company to purchase for cash
all of such Holder&rsquo;s Notes, or any portion of such Holder&rsquo;s Notes that is equal to $1,000, or an integral multiple
of $1,000, on a date (the &ldquo;<B>Fundamental Change Purchase Date</B>&rdquo;) specified by the Company that is not less than
20 or more than 35 Business Days after the occurrence of such Fundamental Change, at a purchase price equal to 100% of the principal
amount of the Notes to be purchased, plus accrued and unpaid interest to but excluding the Fundamental Change Purchase Date (the
&ldquo;<B>Fundamental Change Purchase Price</B>&rdquo;); <I>provided</I>, <I>however</I>, that if the Fundamental Change Purchase
Date is after a Regular Record Date and on or prior to the Interest Payment Date to which it relates, the Company shall instead
pay interest accrued to the Interest Payment Date to the Holder of record of the Note as of the preceding Regular Record Date
and the Fundamental Change Purchase Price shall then be equal to 100% of the principal amount of the Note subject to purchase
and will not include any accrued and unpaid interest. Notwithstanding the foregoing, there shall be no purchase of any Notes pursuant
to this Section&nbsp;3.01 if the principal amount of the Notes has been accelerated, and such acceleration has not been rescinded,
on or prior to the Fundamental Change Purchase Date (except in the case of an acceleration resulting from a Default by the Company
in the payment of the Fundamental Change Purchase Price with respect to such Notes). In the event the principal amount of the
Notes is accelerated following delivery of a Fundamental Change Company Notice (except in the case of an acceleration resulting
from a Default by the Company in the payment of the Fundamental Change Purchase Price with respect to such Notes), the Trustee
will promptly (i) return to the respective Holders thereof any Physical Notes tendered to it or (ii) effect appropriate book-entry
transfers to the respective beneficial holders thereof any beneficial interests in a Global Note tendered to it in compliance
with the Applicable Procedures, in which case, upon such return or transfer, as the case may be, the Fundamental Change Purchase
Notice with respect thereto shall be deemed to have been withdrawn.</FONT></P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
3.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Fundamental Change Company Notice<FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>General</I>.
On or before the 5th Business Day after the occurrence of a Fundamental Change, the Company shall provide to all Holders of the
Notes, the Trustee and the Paying Agent (in the case of any Paying Agent other than the Trustee) a written notice (the &ldquo;<B>Fundamental
Change Company Notice</B>&rdquo;) of the occurrence of such Fundamental Change and of the purchase right at the option of the Holders
arising as a result thereof. Such notice shall be sent to the Holders in accordance with Section 12.08(c) (with a copy to the Trustee).
Simultaneously with providing such Fundamental Change Company Notice, the Company shall issue a press release announcing the occurrence
of such Fundamental Change and make the press release available on the Company&rsquo;s website. Each Fundamental Change Company
Notice shall specify:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
events causing the Fundamental Change;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Effective Date of the Fundamental Change, and whether the Fundamental Change is a Make-Whole Adjustment Event;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
last date on which a Holder of Notes may exercise the purchase right pursuant to Section&nbsp;3.01;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Fundamental Change Purchase Price;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(v)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Fundamental Change Purchase Date;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(vi)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
name and address of the Paying Agent and the Conversion Agent, if applicable;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(vii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
applicable Conversion Rate and any adjustments to the applicable Conversion Rate resulting from the Fundamental Change, and the
procedures required for exercise of a Holder&rsquo;s right to convert its Notes as described in Section 4.02;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(viii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
applicable, that the Notes with respect to which a Fundamental Change Purchase Notice has been delivered by a Holder may be converted
only if the Holder withdraws the Fundamental Change Purchase Notice in accordance with Section 3.05;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ix)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
procedures required for exercise of the purchase option upon the Fundamental Change, including that the Holder must exercise the
purchase option prior to the Fundamental Change Expiration Time; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(x)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that
the Holder shall have the right to withdraw any Notes surrendered for purchase prior to the Fundamental Change Expiration Time
and the procedures required for withdrawal of any such exercise as described in 3.05;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;No
failure of the Company to give the foregoing notices and no defect therein shall limit the Holders&rsquo; repurchase rights or
affect the validity of the proceedings for the repurchase of the Notes pursuant to Section&nbsp;3.01.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;At
the Company&rsquo;s written request, the Trustee shall give the Fundamental Change Company Notice in the Company&rsquo;s name and
at the Company&rsquo;s expense; provided, however, that, in all cases, the Fundamental Change Company Notice shall be prepared
by the Company; provided, further that the Company shall have delivered to the Trustee, at least five Business Days before the
Fundamental Change Company Notice is required to be given to the Holders (or such shorter period agreed to by the Trustee), an
Officer&rsquo;s Certificate requesting that the Trustee give such notice and attaching the form of Fundamental Change Company Notice
and including the information required by Section 3.02(a). Neither the Trustee nor the Paying Agent shall be responsible for determining
if a Fundamental Change has occurred or for delivering a Fundamental Change Company Notice to Holders or for the content of any
Fundamental Change Company Notice.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
3.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Repurchase Procedures<FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Purchases
of Notes under Section&nbsp;3.01 shall be made, at the option of the Holder thereof, upon:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
the Notes to be purchased are Physical Notes, delivery to the Trustee by the Holder of a duly completed notice in the Form of Fundamental
Change Purchase Notice (the &ldquo;<B>Fundamental Change Purchase Notice</B>&rdquo;) together with the Physical Notes duly endorsed
for transfer, at any time prior to the Close of Business on the Business Day immediately preceding the Fundamental Change Purchase
Date, (the &ldquo;<B>Fundamental Change Expiration Time</B>&rdquo;); and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
the Notes to be purchased are Global Notes, delivery to the Trustee of the beneficial interest in such Global Notes, by book-entry
transfer, in compliance with the Applicable Procedures and the satisfaction of any other requirements of the Depositary in connection
with tendering beneficial interests in a Global Note for purchase by the Fundamental Change Expiration Time.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Fundamental Change Purchase Notice in
respect of any Notes to be purchased shall state:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
certificated, the certificate numbers of such Holder&rsquo;s Notes;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
portion of the principal amount of such Notes to be purchased, which must be such that the principal amount not purchased equals
$1,000 or an integral multiple of $1,000; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that
such Notes are to be purchased by the Company pursuant to the applicable provisions of the Notes and this Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Notice
to Company</I>. The Paying Agent shall promptly notify the Company of the receipt by it of any Fundamental Change Purchase Notice
or written notice of withdrawal thereof.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
3.04&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Effect
of Fundamental Change Purchase Notice. <FONT STYLE="font-weight: normal; font-style: normal">Upon receipt by the Paying Agent
of Physical Notes and a Fundamental Change Purchase Notice or beneficial interests in a Global Note by book-entry transfer as
specified in Section&nbsp;3.03, the Holder of the tendered Note shall (unless such Fundamental Change Purchase Notice is withdrawn
in accordance with Section&nbsp;3.05) thereafter be entitled to receive solely the Fundamental Change Purchase Price, in cash
with respect to such Note (and any previously accrued and unpaid interest on such Note, if applicable). Provided that a Holder
has tendered its Notes by book-entry transfer or delivery to the Trustee, such Fundamental Change Purchase Price, shall be paid
to such Holder, provided that the conditions in this Article 3 have been satisfied (including, without limitation, the proper
delivery or book-entry transfer of such Note as required under Section 3.03(a)) and subject to the Paying Agent holding money
sufficient to pay the Fundamental Change Purchase Price, on the applicable Fundamental Change Purchase Date or, if later, the
time of delivery or book-entry transfer of such Note to the Paying Agent by the Holder thereof in the manner required by Section
3.01.</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
3.05&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Withdrawal
of Fundamental Change Purchase Notice. <FONT STYLE="font-weight: normal; font-style: normal">A Fundamental Change Purchase Notice
may be withdrawn (in whole or in part) by means of a written notice of withdrawal delivered to the Paying Agent in accordance
with the Fundamental Change Company Notice, as applicable, at any time prior to the Fundamental Change Expiration Time, as applicable,
specifying:</FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
principal amount of the Notes with respect to which such notice of withdrawal is being submitted;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
certificated, the certificate numbers of the withdrawn Notes; and</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
principal amount, if any, of each Note that remains subject to the Fundamental Change Purchase Notice, which must be such that
the principal amount of such Holder&rsquo;s Notes not purchased equals $1,000 or an integral multiple of $1,000;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><I>provided</I>, <I>however</I>, that if the Notes are Global
Notes, the notice must comply with the Applicable Procedures.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Paying Agent will promptly return to
the respective Holders thereof any Physical Notes with respect to which a Fundamental Change Purchase Notice has been withdrawn
in compliance with the provisions of this Section&nbsp;3.05.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
3.06&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Deposit
of Fundamental Change Purchase Price. <FONT STYLE="font-weight: normal; font-style: normal">Prior to 10:00 a.m., New York City
time, on the Fundamental Change Purchase Date, the Company shall deposit with the Paying Agent (or, if the Company or a Subsidiary
or an Affiliate of either of them is acting as the Paying Agent, shall segregate and hold in trust as provided herein) an amount
of money (in immediately available funds if deposited on such Business Day) sufficient to pay the Fundamental Change Purchase
Price of all the Notes or portions thereof that are to be purchased as of the Fundamental Change Purchase Date. If the Paying
Agent holds money sufficient to pay the Fundamental Change Purchase Price of the tendered Notes on the Fundamental Change Purchase
Date, then (a)&nbsp;such tendered Notes will cease to be Outstanding and interest will cease to accrue thereon and (b)&nbsp;all
other rights of the Holders of such tendered Notes will terminate (other than the right to receive the Fundamental Change Purchase
Price and, if the Fundamental Change Purchase Date is after a Regular Record Date and on or prior to the related Interest Payment
Date, the right of the Holder of record on such Regular Record Date to receive any interest payment pursuant to Section 3.01).</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
3.07&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Notes
Purchased in Whole or in Part. <FONT STYLE="font-weight: normal; font-style: normal">Any Note that is to be purchased pursuant
to this Article&nbsp;3, whether in whole or in part, shall be surrendered at the office of the Paying Agent (with due endorsement
by, or a written instrument of transfer in form satisfactory to the Company and the Trustee duly executed by, the Holder thereof
or such Holder&rsquo;s attorney duly authorized in writing) and, to the extent that only a part of the Note so surrendered is
to be purchased, the Company shall execute and, upon receipt of a Company Order, the Trustee shall authenticate and deliver to
the Holder of such Note, without service charge, a new Note or Notes, of any authorized denomination as requested by such Holder
in aggregate principal amount equal to, and in exchange for, the portion of the principal amount of the Note so surrendered that
is not purchased.</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
3.08&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Covenant
To Comply with Applicable Laws upon Purchase of Notes. <FONT STYLE="font-weight: normal; font-style: normal">In connection with
any offer to purchase Notes under Sections&nbsp;3.01, the Company shall, in each case if required by law, (i)&nbsp;comply with
the provisions of Rule 13e-4, Rule 14e-1 and any other tender offer rules under the Exchange Act to the extent any such rules
are applicable, (ii)&nbsp;file a Schedule TO or any successor or similar schedule, if required, under the Exchange Act and (iii)&nbsp;otherwise
comply with all U.S. federal or state securities laws applicable to the Company in connection with such purchase offer, in each
case, so as to permit the rights and obligations under this Article&nbsp;3 to be exercised in the time and in the manner specified
under this Article&nbsp;3.</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
3.09&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Repayment
to the Company. <FONT STYLE="font-weight: normal; font-style: normal">To the extent that the aggregate amount of money deposited
by the Company pursuant to Section&nbsp;3.06 exceeds the aggregate Fundamental Change Purchase Price of the Notes or portions
thereof that the Company is obligated to purchase as of the Fundamental Change Purchase Date, then, following the Fundamental
Change Purchase Date, the Paying Agent shall, upon demand of the Company, promptly return any such excess to the Company.</FONT></FONT></P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-transform: uppercase; text-align: center"><FONT STYLE="text-transform: none">ARTICLE
4.</FONT></P>

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

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
4.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Right
To Convert. <FONT STYLE="font-weight: normal; font-style: normal">Subject to and upon compliance with the provisions of this Indenture,
each Holder shall have the right, at such Holder&rsquo;s option, to convert all or any portion of its Notes at an initial Conversion
Rate of 173.6593 shares of Common Stock per $1,000 aggregate principal amount of Notes (equivalent to an initial Conversion Price
of approximately $5.76 per share of Common Stock) into the Settlement Amount determined in accordance with Section&nbsp;4.03(a)(i),
at any time until the Close of Business on the Business Day immediately preceding the stated Maturity Date (except as otherwise
provided in Section 10.03(a)). A Holder may convert fewer than all of such Holder&rsquo;s Notes; </FONT></FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">provided
<FONT STYLE="font-style: normal">that the Notes converted are in an integral multiple of $1,000 principal amount.</FONT></FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Conversion Procedures<FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Each
Note shall be convertible at the office of the Conversion Agent and, if applicable, in accordance with the Applicable Procedures.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To
exercise the conversion privilege with respect to a beneficial interest in a Global Note, the Holder must comply with the Applicable
Procedures for converting a beneficial interest on a Global Note and pay the funds directly to the Company, if any, required by
Section&nbsp;4.02(f) and any taxes or duties if required pursuant to Section&nbsp;4.02(g), and the Conversion Agent must be informed
of the conversion in accordance with the customary practice of the Depositary.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">To exercise the conversion privilege with
respect to any Physical Notes, the Holder of such Physical Notes shall:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;complete
and manually sign a conversion notice in the form set forth in the Form of Notice of Conversion (the &ldquo;<B>Conversion Notice</B>&rdquo;)
or a facsimile of the Conversion Notice;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;deliver
the Conversion Notice, which is irrevocable, and the Physical Note to the Conversion Agent;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
required, furnish appropriate endorsements and transfer documents;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
required, pay all transfer or similar taxes as set forth in Section&nbsp;4.02(g); and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(v)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if
required, make any payment required under Section&nbsp;4.02(f).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">If, upon conversion of a Note, any shares
of Common Stock are to be issued to a Person other than the Holder of such Note, the related Conversion Notice shall include such
other Person&rsquo;s name and address.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">If a Note has been submitted for repurchase
pursuant to a Fundamental Change Purchase Notice, such Note may not be converted except to the extent such Note has been withdrawn
by the Holder in accordance with Section 3.07 and is no longer submitted for repurchase pursuant to a Fundamental Change Purchase
Notice.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">For any Note, the date on which the Holder
of such Note satisfies all of the applicable requirements set forth above with respect to such Note shall be the &ldquo;<B>Conversion
Date</B>&rdquo; with respect to such Note. The Company will determine the Conversion Date for each such Note in accordance with
the requirements set forth herein.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Each conversion shall be deemed to have
been effected as to any such Notes (or portion thereof) surrendered for conversion at the Close of Business on the applicable Conversion
Date; <I>provided</I>, <I>however</I>, that except to the extent required by Section&nbsp;4.04, the person in whose name any shares
of Common Stock shall be issuable upon conversion, if any, shall be treated as a stockholder of record as of the Close of Business
on the Conversion Date. For the avoidance of doubt, until a Holder is deemed to become the holder of record of shares of Common
Stock issuable upon conversion of such Holder&rsquo;s Notes as contemplated in the immediately preceding sentence, such Holder
shall not have any rights as a holder of the Common Stock with respect to the shares of Common Stock issuable upon conversion of
such Notes. At the Close of Business on the Conversion Date for a Note, the converting Holder shall no longer be the Holder of
such Note.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Endorsement</I>.
Any Notes surrendered for conversion shall, unless shares of Common Stock issuable on conversion are to be issued in the same name
as the registration of such Notes, be duly endorsed by, or be accompanied by instruments of transfer in form satisfactory to the
Company duly executed by, the Holder or its duly authorized attorney.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Physical
Notes</I>. If any Physical Notes in a denomination greater than $1,000 shall be surrendered for partial conversion, the Company
shall execute and the Trustee shall upon receipt of a Company Order authenticate and deliver to the Holder of the Physical Notes
so surrendered, without charge, new Physical Notes in authorized denominations in an aggregate principal amount equal to the unconverted
portion of the surrendered Physical Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Global
Notes</I>. Upon the conversion of a beneficial interest in Global Notes, the Conversion Agent shall make a notation in its records
as to the reduction in the principal amount represented thereby. The Company shall notify the Trustee in writing of any conversions
of Notes effected through any Conversion Agent other than the Trustee.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Interest
Due Upon Conversion</I>. If a Holder converts a Note after the Close of Business on a Regular Record Date but prior to the Open
of Business on the Interest Payment Date corresponding to such Regular Record Date, in addition to tendering such Note to the Conversion
Agent in accordance with Section 4.02(b) such Holder must deliver directly to the Company an amount of cash equal to the amount
of interest that will payable on such Note on the corresponding Interest Payment Date; <I>provided</I>, <I>however</I>, that a
Holder need not make such payment (1)&nbsp;if the Company has specified a Fundamental Change Purchase Date or a Redemption Date
that is after a Regular Record Date and on or prior to the third Business Day immediately following the corresponding Interest
Payment Date; (2)&nbsp;if the Conversion Date follows the Regular Record Date immediately preceding the Maturity Date; or (3)&nbsp;to
the extent of any overdue interest, if any overdue interest exists at the time of conversion with respect to such Note.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Taxes
Due upon Conversion</I>. If a Holder converts a Note, the Company will pay any documentary, stamp or similar issue or transfer
tax due on the issue of any shares of the Common Stock upon the conversion, unless the tax is due because the Holder requests that
any shares be issued in a name other than the Holder&rsquo;s name, in which case the Holder will pay that tax.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Settlement Upon Conversion<FONT STYLE="font-size: 10pt"></FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Settlement</I>.
Subject to this Section&nbsp;4.03 and Sections 4.05 and 4.06, upon conversion of any Note, the Company shall deliver to Holders,
in full satisfaction of its conversion obligation under Section&nbsp;4.01, in respect of each $1,000 principal amount of Notes
being converted, a Settlement Amount consisting of shares of Common Stock (together with cash in lieu of any fractional share of
Common Stock pursuant to Section 4.03(b)).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Settlement
Amount</I>. The Company shall deliver to the converting Holder, in respect of each $1,000 principal amount of its Notes being converted,
a number of shares of Common Stock equal to the applicable Conversion Rate, together with cash in lieu of any fractional shares
of Common Stock pursuant to Section 4.03(b) (the &ldquo;<B>Settlement Amount</B>&rdquo;);</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Delivery
Obligation</I>. The Company shall deliver the Settlement Amount due in respect of its conversion obligation under this Section&nbsp;4.03,
on the third Business Day immediately following the relevant Conversion Date, subject to Section 4.06 in the case where a Holder
surrenders its Notes for conversion in connection with a Make-Whole Adjustment Event pursuant to clause (5) of the definition of
&ldquo;Change in Control&rdquo; and the Conversion Rate applicable thereto will be increased by Additional Shares as described
in Section 4.06.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Fractional
Shares</I>. Notwithstanding the foregoing, the Company will not issue fractional shares of Common Stock as part of the Settlement
Amount due with respect to any converted Note. Instead, if any Settlement Amount includes a fraction of a share of the Common Stock,
the Company will, in lieu of delivering such fraction of a share of Common Stock, pay an amount of cash equal to the product of
such fraction of a share and the Last Reported Sale Price on the relevant Conversion Date.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Conversion
of Multiple Notes by a Single Holder</I>. If a Holder surrenders more than one Note for conversion on a single Conversion Date,
the Company will calculate the number of shares of Common Stock due with respect to such Notes as if such Holder had surrendered
for conversion one Note having an aggregate principal amount equal to the sum of the principal amounts of each of the Notes surrendered
for conversion by such Holder on such Conversion Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Settlement
of Accrued Interest and Deemed Payment of Principal</I>. If a Holder converts a Note, the Company will not adjust the Conversion
Rate to account for any accrued and unpaid interest on such Note, and the Company&rsquo;s delivery of Common Stock into which a
Note is convertible will be deemed to satisfy and discharge in full the Company&rsquo;s obligation to pay the principal of, and
accrued and unpaid interest, if any, on, such Note to, but excluding, the Conversion Date; as a result, in the case of conversion,
such accrued interest if any, shall be deemed paid in full rather than cancelled, extinguished or forfeited; <I>provided</I>, <I>however</I>,
that subject to Section&nbsp;4.02(f), if a Holder converts a Note after the Close of Business on a Regular Record Date and prior
to the Open of Business on the corresponding Interest Payment Date, the Company will still be obligated to pay the interest due
on such Interest Payment Date to the Holder of such Note on such Regular Record Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As a result, except as otherwise provided
in the proviso to the immediately preceding sentence, any accrued and unpaid interest with respect to a converted Note will be
deemed to be paid in full rather than cancelled, extinguished or forfeited.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Notices</I>.
Whenever Notes are tendered for conversion, the Conversion Agent will, as promptly as possible, and in no event later than the
Business Day immediately following such date on which such Notes are tendered, deliver to the Company and the Trustee, if it is
not then the Conversion Agent, notice that such Notes have been tendered, which notice will state such date, the principal amount
of Notes tendered on such date and the names of the Holders that tendered Notes on such date. The Company shall promptly notify
the Trustee and Conversion Agent of any payments made pursuant to Sections 4.02(f) or 4.02(g), as applicable. The Company will
notify the Trustee and the Conversion Agent upon the occurrence of the Conversion Date for each Note tendered for conversion.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
4.04&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Adjustment
of Conversion Rate. <FONT STYLE="font-weight: normal; font-style: normal">The Conversion Rate will be adjusted as described in
this Section&nbsp;4.04, except that the Company shall not make any adjustment to the Conversion Rate if Holders participate (other
than in the case of a share split or share combination), at the same time and upon the same terms as holders of the Common Stock
and as a result of holding the Notes, in any of the transactions described below without having to convert their Notes, as if
they held a number of shares of Common Stock equal to the applicable Conversion Rate, multiplied by the principal amount (expressed
in thousands) of Notes held by such Holder.</FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Company exclusively issues shares of Common Stock as a dividend or distribution on all or substantially all shares of the Common
Stock, or if the Company effects a share split or share combination, the Conversion Rate will be adjusted based on the following
formula:</P>

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


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



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


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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="font: 10pt Times New Roman, Times, Serif; width: 25%; border-collapse: collapse">
<TR>
    <TD ROWSPAN="2" STYLE="width: 60%; padding-right: 0.5pt; padding-left: 0.5pt; font-size: 10pt; text-align: right">CR<SUB>1</SUB> = CR0 x&nbsp;&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 40%; padding-right: 0.5pt; padding-left: 0.5pt; font-size: 10pt; text-align: left"><U>OS<SUB>1</SUB></U></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.5pt; padding-left: 0.5pt; font-size: 10pt; text-align: left">OS0</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">CR<SUB>0</SUB> =</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately prior to the Close of Business on the Record Date of such dividend or distribution, or immediately prior to the Open of Business on the effective date of such share split or combination, as applicable;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">CR<SUB>1</SUB> =</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately after the Close of Business on such Record Date or such effective date, as applicable;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">OS<SUB>0</SUB> =</TD>
    <TD STYLE="text-indent: 0in">the number of shares of Common Stock outstanding immediately prior to the Close of Business on such Record Date or such effective date, as applicable; and</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">OS<SUB>1</SUB> =</TD>
    <TD STYLE="text-indent: 0in">the number of shares of Common Stock outstanding immediately after giving effect to such dividend, distribution, share split or share combination, as applicable.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">Any adjustment made under this Section&nbsp;4.04(a)
shall become effective immediately after the Close of Business on the Record Date for such dividend or distribution, or immediately
after the Open of Business on the effective date for such share split or share combination. If any dividend or distribution of
the type described in this Section&nbsp;4.04(a) is declared but not so paid or made, the Conversion Rate shall be immediately readjusted,
effective as of the date the Board of Directors determines not to pay such dividend or distribution, to the Conversion Rate that
would then be in effect if such dividend or distribution had not been declared.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Company issues to all or substantially all holders of the Common Stock any rights, options or warrants entitling them, for
a period of not more than 60 calendar days after the date of such issuance, to subscribe for or purchase shares of the Common Stock,
at a price per share less than the average of the Last Reported Sale Prices of the Common Stock for the 10 consecutive Trading
Day period ending on, and including, the Trading Day immediately preceding the date of announcement of such issuance, the Conversion
Rate will be increased based on the following formula:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="width: 25%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD ROWSPAN="2" STYLE="width: 70%; padding-right: 0.5pt; padding-left: 0.5pt; text-align: right">CR<SUB>1</SUB> = CR<SUB>0
    </SUB>x&nbsp;&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 30%; padding-right: 0.5pt; padding-left: 0.5pt; text-align: center; border-bottom: Black 1pt solid">OS0&nbsp;+ X</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.5pt; padding-left: 0.5pt; text-align: center">OS0 + Y</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">CR<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately prior to the Close of Business on the Record Date for such issuance;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">CR<SUB>1 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately after the Close of Business on such Record Date;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">OS<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the number of shares of Common Stock outstanding immediately prior to the Close of Business on such Record Date;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">X =</TD>
    <TD STYLE="text-indent: 0in">the total number of shares of Common Stock issuable pursuant to such rights, options or warrants; and</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">Y =</TD>
    <TD STYLE="text-indent: 0in">the number of shares of Common Stock equal to the aggregate price payable to exercise such rights, options or warrants <I>divided by</I> the average of the Last Reported Sale Prices of the Common Stock over the 10 consecutive Trading Day period ending on, and including, the Trading Day immediately preceding the date of announcement of the issuance of such rights, options or warrants.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">Any increase made under this Section&nbsp;4.04(b)
will be made successively whenever any such rights, options or warrants are issued and shall become effective immediately after
the Close of Business on the Record Date for such issuance. To the extent that such rights, options or warrants are not exercised
prior to their expiration or shares of Common Stock are not delivered upon the expiration of such rights, options or warrants,
the Conversion Rate shall be readjusted to the Conversion Rate that would then be in effect had the increase with respect to the
issuance of such rights, options or warrants been made on the basis of delivery of only the number of shares of Common Stock actually
delivered. If such rights, options or warrants are not so issued, or if such rights, options or warrants are not exercised prior
to their expiration, the Conversion Rate shall be decreased to be the Conversion Rate that would then be in effect if such issuance
had not occurred.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">For purposes of this Section&nbsp;4.04(b),
in determining whether any rights, options or warrants entitle the holders of the Common Stock to subscribe for or purchase shares
of the Common Stock at a price per share less than such average of the Last Reported Sale Prices of the Common Stock for the 10
consecutive Trading Day period ending on the Trading Day immediately preceding the date of announcement for such issuance, there
shall be taken into account any consideration received by the Company for such rights, options or warrants and any amount payable
on exercise thereof, the value of such consideration, if other than cash, to be determined by the Board of Directors.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
an Ex-Dividend Date occurs for a Company distribution of shares of Capital Stock, evidences of its indebtedness, other assets or
property of the Company or rights, options or warrants to acquire its Capital Stock or other securities, to all or substantially
all holders of the Common Stock (any of such shares of Capital Stock, evidences of indebtedness, other assets or property or rights,
options or warrants to acquire Capital Stock or other securities of the Company, the &ldquo;<B>Distributed Property</B>&rdquo;),
excluding:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dividends
or distributions, rights options or warrants as to which an adjustment was effected pursuant to Section&nbsp;4.04(a) or Section&nbsp;4.04(b);</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;dividends
or distributions paid exclusively in cash as to which an adjustment was effected pursuant to Section&nbsp;4.04(d); and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Spin-Offs
as to which the provisions set forth below in this Section&nbsp;4.04(c) shall apply,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">then the Conversion Rate shall be increased based
on the following formula:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="width: 30%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD ROWSPAN="2" STYLE="width: 55%; padding-right: 0.5pt; padding-left: 0.5pt; text-align: right">CR<SUB>1</SUB> = CR<SUB>0
    </SUB>x&nbsp;&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 45%; padding-right: 0.5pt; padding-left: 0.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid">SP<SUB>0</SUB></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.5pt; padding-left: 0.5pt; text-align: center">SP<SUB>0</SUB> - FMV</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">CR<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately prior to the Close of Business on the Record Date for such distribution;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">CR<SUB>1 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately after the Close of Business on such Record Date;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">SP<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the average of the Last Reported Sale Prices of the Common Stock over the 10 consecutive Trading Day period ending on, and including, the Trading Day immediately preceding the Ex-Dividend Date for such distribution; and</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">FMV =</TD>
    <TD STYLE="text-indent: 0in">the fair market value (as determined by the Board of Directors) of Distributed Property with respect to each outstanding share of the Common Stock as of the Open of Business on the Ex-Dividend Date for such distribution.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">If &ldquo;FMV&rdquo; (as defined
above) is equal to or greater than the &ldquo;SP<SUB>0</SUB>&rdquo; (as defined above), in lieu of the foregoing increase, each
Holder of Notes shall receive, in respect of each $1,000 principal amount of Notes it holds, at the same time and upon the same
terms as holders of the Common Stock, the amount and kind of Capital Stock, evidences of the Company&rsquo;s indebtedness, other
assets or property of the Company or rights, options or warrants to acquire the Capital Stock or other securities that such Holder
would have received as if such Holder owned a number of shares of Common Stock equal to the Conversion Rate in effect immediately
prior to the Record Date for the distribution.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">Any increase made pursuant to the
formula above will become effective immediately after the Close of Business on the Record Date for such distribution. If such distribution
is not so paid or made, the Conversion Rate shall be decreased to be the Conversion Rate that would then be in effect if such dividend
or distribution had not been declared.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">With respect to an adjustment pursuant
to this Section&nbsp;4.04(c), where there has been an Ex-Dividend Date for a payment of a dividend or other distribution on the
Common Stock of shares of Capital Stock of any class or series, or similar equity interest, of or relating to any Subsidiaries
of the Company or business units of the Company, and such Capital Stock or similar equity interest is listed or quoted (or will
be listed or quoted upon the consummation of the distribution) on a U.S. national securities exchange (a &ldquo;<B>Spin-Off</B>&rdquo;),
the Conversion Rate will be increased based on the following formula:</P>

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


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    <!-- Field: /Page -->

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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="width: 30%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD ROWSPAN="2" STYLE="width: 55%; padding-right: 0.5pt; padding-left: 0.5pt; text-align: right">CR<SUB>1</SUB> = CR<SUB>0
    </SUB>x&nbsp;&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 45%; padding-right: 0.5pt; padding-left: 0.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid">FMV<SUB>0
        </SUB>+ MP<SUB>0</SUB></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.5pt; padding-left: 0.5pt; text-align: center">MP<SUB>0</SUB></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">CR<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately prior to the Close of Business on the Record Date for such Spin-Off;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">CR<SUB>1 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately after the Close of Business on the Record Date for such Spin-Off;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">FMV<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the average of the Last Reported Sale Prices of the Capital Stock or similar equity interest distributed to holders of Common Stock applicable to one share of Common Stock over the first 10 consecutive Trading Day period after, but excluding, the effective date of the Spin-Off (the &ldquo;<B>Valuation Period</B>&rdquo;); and</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">MP<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the average of the Last Reported Sale Prices of Common Stock over the Valuation Period.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">If a Holder converts a Note and
the Conversion Date occurs during the period from, but excluding, the first Trading Day of the Valuation Period for a Spin-Off
to, and including, the last Trading Day of the Valuation Period for such Spin-Off, the reference in the above definition of &ldquo;FMV&rdquo;
to &ldquo;10&rdquo; consecutive Trading Days shall be deemed replaced with such lesser number of Trading Days as have elapsed from,
and including, the first Trading Day of the Valuation Period for such Spin-Off to, and including, the relevant Conversion Date.
If a Holder converts a Note and the Conversion Date occurs during the period from, but excluding, the Record Date of a Spin-Off
to, and including, the first Trading Day of the Valuation Period for such Spin-Off, (w) the reference in the above definition of
&ldquo;FMV&rdquo; to &ldquo;10&rdquo; consecutive Trading Days shall be deemed replaced with a reference to one Trading Day, (x)
the Company will deliver the consideration due to such Holder upon conversion of such Note on the third Business Day after the
first Trading Day of the Valuation Period for such Spin-Off, (y) the Conversion Rate applicable to such conversion will be the
applicable Conversion Rate on the first Trading Day of the Valuation Period for such Spin-Off and (z) the person in whose name
any shares of Common Stock shall be issuable upon such conversion will be deemed to become the Holder of record of such shares
as of the Close of Business on the first Trading Day of the Valuation Period for such Spin-Off.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">For purposes of the second adjustment
formula set forth in this Section&nbsp;4.04(c), (i)&nbsp;the Last Reported Sale Price of any Capital Stock or similar equity interest
shall be calculated in a manner analogous to that used to calculate the Last Reported Sale Price of the Common Stock in the definition
of &ldquo;Last Reported Sale Price&rdquo; set forth in Section&nbsp;1.01, (ii)&nbsp;whether a day is a Trading Day (and whether
a day is a Scheduled Trading Day and whether a Market Disruption Event has occurred) for such Capital Stock or similar equity interest
shall be determined in a manner analogous to that used to determine whether a day is a Trading Day (or whether a day is a Scheduled
Trading Day and whether a Market Disruption Event has occurred) for the Common Stock, and (iii)&nbsp;whether a day is a Trading
Day to be included in a Valuation Period will be determined based on whether a day is a Trading Day for both the Common Stock and
such Capital Stock or similar equity interest.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">Subject to Section&nbsp;4.04(f),
for the purposes of this Section&nbsp;4.04(c), rights, options or warrants distributed to all or substantially all holders of the
Common Stock entitling them to acquire the Company&rsquo;s Capital Stock or other securities, (either initially or under certain
circumstances), which rights, options or warrants, until the occurrence of a specified event or events (a &ldquo;<B>Trigger Event</B>&rdquo;):
(1)&nbsp;are deemed to be transferred with such shares of Common Stock; (2)&nbsp;are not exercisable; and (3)&nbsp;are also issued
in respect of future issuances of Common Stock, shall be deemed not to have been distributed for purposes of this Section&nbsp;4.04(c)
(and no adjustment to the Conversion Rate under this Section&nbsp;4.04(c) will be required) until the occurrence of the earliest
Trigger Event, whereupon such rights, options or warrants shall be deemed to have been distributed and an appropriate adjustment
(if any is required) to the Conversion Rate shall be made under this Section&nbsp;4.04(c). If any such rights, options or warrants,
distributed prior to the first date of original issuance of the Initial Notes are subject to events, upon the occurrence of which
such rights, options or warrants become exercisable to purchase different securities, evidences of indebtedness or other assets,
then the date of the occurrence of any and each such event shall be deemed to be the date of distribution and Record Date of such
deemed distribution (in which case the original rights, options or warrants shall be deemed to terminate and expire on such date
without exercise by any of the holders). In addition, in the event of any distribution or deemed distribution of rights, options
or warrants, or any Trigger Event or other event (of the type described in the preceding sentence) with respect thereto that was
counted for purposes of calculating a distribution amount for which an adjustment to the Conversion Rate under this Section&nbsp;4.04(c)
was made, (1)&nbsp;in the case of any such rights, options or warrants which shall all have been redeemed or purchased without
exercise by any Holders thereof, upon such final redemption or purchase (x)&nbsp;the Conversion Rate shall be readjusted as if
such rights, options or warrants had not been issued and (y)&nbsp;the Conversion Rate shall then again be readjusted to give effect
to such distribution, deemed distribution or Trigger Event, as the case may be, as though it were a cash distribution, equal to
the per share redemption or purchase price received by holders of Common Stock with respect to such rights, options or warrants
(assuming each such holder had retained such rights, options or warrants), made to all holders of Common Stock as of the date of
such redemption or purchase, and (2)&nbsp;in the case of such rights, options or warrants which shall have expired or been terminated
without exercise by any holders thereof, the Conversion Rate shall be readjusted as if such rights and warrants had not been issued.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">For purposes of Sections&nbsp;4.04(a)
through (c), if any dividend or distribution to which this Section&nbsp;4.04(c) applies includes one or both of:</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(A)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a
dividend or distribution of shares of Common Stock to which Section&nbsp;4.04(a) also applies (the &ldquo;<B>Clause&nbsp;A Distribution</B>&rdquo;);
or</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">(B)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;an
issuance of rights, options or warrants entitling holders of the Common Stock to subscribe for or purchase shares of the Common
Stock to which Section&nbsp;4.04(b) also applies (the &ldquo;<B>Clause&nbsp;B Distribution</B>&rdquo;),</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 1in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in">then (i)&nbsp;such dividend or distribution, other
than the Clause&nbsp;A Distribution and the Clause&nbsp;B Distribution, shall be deemed to be a distribution to which this Section&nbsp;4.04(c)
applies (the &ldquo;<B>Clause&nbsp;C Distribution</B>&rdquo;) and any Conversion Rate adjustment required to be made under this
Section&nbsp;4.04(c) with respect to such Clause&nbsp;C Distribution shall be made, (ii)&nbsp;the Clause&nbsp;B Distribution, if
any, shall be deemed to immediately follow the Clause&nbsp;C Distribution and any Conversion Rate adjustment required by Section&nbsp;4.04(b)
with respect thereto shall then be made, except that, if determined by the Company, (A)&nbsp;the &ldquo;Record Date&rdquo; of the
Clause&nbsp;B Distribution and the Clause&nbsp;A Distribution, if any, shall be deemed to be the Record Date of the Clause&nbsp;C
Distribution and (B)&nbsp;any shares of Common Stock included in the Clause&nbsp;A Distribution or the Clause&nbsp;B Distribution
shall not be deemed to be &ldquo;outstanding immediately prior to the Close of Business on such Record Date&rdquo; within the meaning
of Section&nbsp;4.04(b), and (iii)&nbsp;the Clause&nbsp;A Distribution, if any, shall be deemed to immediately follow the Clause&nbsp;C
Distribution or the Clause&nbsp;B Distribution, as the case may be, except that, if determined by the Company, (A)&nbsp;the &ldquo;Record
Date&rdquo; of the Clause&nbsp;A Distribution and the Clause&nbsp;B Distribution, if any, shall be deemed to be the Record Date
of the Clause&nbsp;C Distribution, and (B)&nbsp;any shares of Common Stock included in the Clause&nbsp;A Distribution shall not
be deemed to be &ldquo;outstanding immediately prior to the Close of Business on such Record Date or such effective date&rdquo;
within the meaning of Section&nbsp;4.04(a).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
an Ex-Dividend Date occurs for any cash dividend or distribution to all or substantially all holders of the Common Stock (other
than any dividend or distribution in connection with the liquidation, dissolution or winding-up of the Company), the Conversion
Rate shall be adjusted based on the following formula:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="width: 30%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR>
    <TD ROWSPAN="2" STYLE="width: 55%; padding-right: 0.5pt; padding-left: 0.5pt; text-align: right">CR<SUB>1</SUB> = CR<SUB>0
    </SUB>x&nbsp;&nbsp;</TD>
    <TD STYLE="vertical-align: top; width: 45%; padding-right: 0.5pt; padding-left: 0.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid">SP<SUB>0</SUB></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.5pt; padding-left: 0.5pt; text-align: center">SP<SUB>0</SUB> - C</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">CR<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately prior to the Close of Business on the Record Date for such dividend or distribution;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">CR<SUB>1 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately after the Close of Business on the Record Date for such dividend or distribution;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">SP<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Last Reported Sale Price of the Common Stock on the Trading Day immediately preceding the Ex-Dividend Date for such dividend or distribution; and</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: -1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: -1in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">C =</TD>
    <TD STYLE="text-indent: 0in">the amount in cash per share that the Company distributes to holders of the Common Stock.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">If &ldquo;C&rdquo; (as defined above)
is equal to or greater than &ldquo;SP<SUB>0</SUB>&rdquo; (as defined above), in lieu of the foregoing increase, each Holder shall
receive, for each $1,000 principal amount of Notes it holds, at the same time and upon the same terms as holders of shares of the
Common Stock, the amount of cash that such Holder would have received if such Holder had owned a number of shares of Common Stock
equal to the Conversion Rate in effect immediately prior to the Record Date for such cash dividend or distribution. Such increase
shall become effective immediately after the Close of Business on the Record Date for such dividend or distribution. If such dividend
or distribution is not so paid, the Conversion Rate shall be decreased, effective as of the date the Board of Directors determines
not to pay such dividend or distribution, to the Conversion Rate that would then be in effect if such dividend or distribution
had not been declared.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Company or any of its Subsidiaries make a payment in respect of a tender offer or exchange offer for the Common Stock, to the
extent that the cash and value of any other consideration included in the payment per share of the Common Stock exceeds the Last
Reported Sale Price of the Common Stock on the Trading Day next succeeding the last date on which tenders or exchanges may be made
pursuant to such tender or exchange offer (the &ldquo;<B>Offer Expiration Date</B>&rdquo;), the Conversion Rate shall be increased
based on the following formula:</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" ALIGN="CENTER" STYLE="width: 30%; font: 10pt Times New Roman, Times, Serif; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD NOWRAP STYLE="width: 55%; padding-right: 0.5pt; padding-left: 0.5pt; text-align: right">CR<SUB>1</SUB> = CR<SUB>0</SUB>
    x&nbsp;&nbsp;</TD>
    <TD NOWRAP STYLE="width: 45%; padding-right: 0.5pt; padding-left: 0.5pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; border-bottom: Black 1pt solid">AC + (SP<SUB>1</SUB>
        x OS<SUB>1</SUB>)</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 0.5pt; padding-left: 58.6pt">&nbsp;</TD>
    <TD STYLE="padding-right: 0.5pt; padding-left: 0.5pt; text-align: center">OS<SUB>0</SUB> x SP<SUB>1</SUB></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">CR<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately prior to the Close of Business on the Offer Expiration Date;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">CR<SUB>1 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the Conversion Rate in effect immediately after the Close of Business on the Offer Expiration Date;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">AC =</TD>
    <TD STYLE="text-indent: 0in">the aggregate value of all cash and any other consideration (as determined by the Board of Directors) paid or payable for shares of Common Stock purchased in such tender or exchange offer;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">OS<SUB>0 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the number of shares of Common Stock outstanding immediately prior to the expiration time of the tender or exchange offer on the Offer Expiration Date (prior to giving effect to the purchase of all shares accepted for purchase or exchange in such tender or exchange offer);</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">OS<SUB>1 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the number of shares of Common Stock outstanding immediately after the expiration time of the tender or exchange offer on the Offer Expiration Date (after giving effect to the purchase of all shares accepted for purchase or exchange in such tender or exchange offer); and</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: -1in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1.5in; text-indent: -1in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 0.5in; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="width: 14%; text-indent: 0in">SP<SUB>1 </SUB>=</TD>
    <TD STYLE="text-indent: 0in">the average of the Last Reported Sale Prices of the Common Stock over the 10 consecutive Trading Day period commencing on, and including, the Trading Day next succeeding the Offer Expiration Date (the &ldquo;<B>Averaging Period</B>&rdquo;).</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in">If a Holder converts a Note and
the Conversion Date occurs during the period from, but excluding, the first Trading Day of the Averaging Period for such tender
or exchange offer to, and including, the last Trading Day of the Averaging Period for such tender or exchange offer, the reference
in the above definition of &ldquo;SP<SUB>1</SUB>&rdquo; to &ldquo;10&rdquo; shall be deemed replaced with such lesser number of
Trading Days as have elapsed from, and including, the first Trading Day of the Averaging Period for such tender or exchange offer
to, and including, the relevant Conversion Date. If a Holder converts a Note and the Conversion Date occurs during the period from,
and including, the Offer Expiration Date to, and including, the first Trading Day of the Averaging Period for such tender or exchange
offer, (i) the reference in the above definition of &ldquo;SP<SUB>1</SUB>&rdquo; to &ldquo;10&rdquo; shall be deemed replaced with
a reference to &ldquo;one&rdquo;, (ii) the Company will deliver the consideration due to such Holder upon conversion of such Note
on the third Business Day after the first Trading Day of the Averaging Period for such tender or exchange offer, (iii) the Conversion
Rate applicable to such conversion will be the applicable Conversion Rate on the first Trading Day of the Averaging Period for
tender or exchange offer and (iv) the person in whose name any shares of Common Stock shall be issuable upon such conversion will
be deemed to become the Holder of record of such shares as of the Close of Business on the first Trading Day of the Averaging Period
for such tender or exchange offer.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Poison
Pill</I>. If a Holder converts a Note, to the extent that the Company has a rights plan in effect, on the Conversion Date applicable
to such Note, the Holder converting such Note will receive, in addition to any shares of Common Stock otherwise received in connection
with such conversion on such Conversion Date the rights under the rights plan, unless prior to such Conversion Date the rights
have separated from the Common Stock, in which case, and only in such case, the Conversion Rate will be adjusted at the time of
separation as if the Company distributed to all holders of the Common Stock, Distributed Property as described in Section&nbsp;4.04(c),
subject to readjustment in the event of the expiration, termination or redemption of such rights.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Deferral
of Adjustments</I>. Notwithstanding anything to the contrary herein, the Company will not be required to adjust the Conversion
Rate unless such adjustment would require an increase or decrease of at least one percent; <I>provided, however</I>, that any such
minor adjustments that are not required to be made will be carried forward and taken into account in any subsequent adjustment,
and <I>provided, further</I>, that any such adjustment of less than one percent that has not been made shall be made upon the occurrence
of (x)&nbsp;the Effective Date for any Make-Whole Adjustment Event or redemption, (y)&nbsp;on the Conversion Date and (z) any other
date on which the Conversion Rate is determined under clause (c)(y) above of clause (e)(iii) above, as applicable. In addition,
the Company shall not account for such deferrals when determining whether any of the conditions to conversion have been satisfied
or what number of shares of Common Stock a Holder would have held on a given day had it converted its Notes.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(h)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Limitation
on Adjustments</I>. Except as stated in this Section&nbsp;4.04, the Company will not adjust the Conversion Rate for the issuance
of shares of Common Stock or any securities convertible into or exchangeable for shares of Common Stock or the right to purchase
shares of Common Stock or such convertible or exchangeable securities. If, however, the application of the formulas in Sections
4.04(a) through (e) would result in a decrease in the Conversion Rate, then, except to the extent of any readjustment to the Conversion
Rate, no adjustment to the Conversion Rate will be made (other than as a result of a reverse share split or share combination).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For
purposes of this Section&nbsp;4.04, the number of shares of Common Stock at any time outstanding shall not include shares held
in the treasury of the Company so long as the Company does not pay any dividend or make any distribution on shares of Common Stock
held in the treasury of the Company, but shall include shares issuable in respect of scrip certificates issued in lieu of fractions
of shares of Common Stock.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.05&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Discretionary and Voluntary Adjustments.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Discretionary
Adjustments</I>. Whenever any provision of this Indenture requires the Company to calculate the Last Reported Sale Prices for purposes
of a Make-Whole Adjustment Event or the delivery by the Company of a Redemption Notice over a span of multiple days, the Company
will make appropriate adjustments to account for any adjustment to the Conversion Rate that becomes effective, or any event requiring
an adjustment to the Conversion Rate where the effective date, Record Date or Offer Expiration Date of the event occurs, at any
time during the period when such Last Reported Sale Prices are to be calculated.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Voluntary
Adjustments</I>. To the extent permitted by applicable law and applicable requirements of the Exchange, the Company is permitted
to increase the Conversion Rate of the Notes by any amount for a period of at least 20 Business Days if such increase is irrevocable
for such period and the Board of Directors determines that such increase would be in the Company&rsquo;s best interest. The Company
may also (but is not required to) increase the Conversion Rate to avoid or diminish income tax to holders of Common Stock or rights
to purchase shares of Common Stock in connection with a dividend or distribution of shares (or rights to acquire shares) or similar
event.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.06&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Adjustment to Conversion Rate Upon Conversion in Connection with
a Make-Whole Adjustment Event and a Redemption Notice.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Increase
in the Conversion Rate</I>. If a Make-Whole Adjustment Event occurs and a Holder elects to convert its Notes in connection with
such Make-Whole Adjustment Event or the Company gives a Redemption Notice pursuant to Section&nbsp;10.01(a) and a Holder elects
to convert its Notes in connection with such Redemption Notice, then the Company shall, to the extent provided herein, increase
the Conversion Rate for the Notes so surrendered for conversion by a number of additional shares of Common Stock (the &ldquo;<B>Additional
Shares</B>&rdquo;), as described in this Section&nbsp;4.06. A conversion of Notes shall be deemed for these purposes to be &ldquo;in
connection with&rdquo; a Make-Whole Adjustment Event if the relevant Conversion Notice is received by the Conversion Agent during
the period from, and including, the Effective Date of the Make-Whole Adjustment Event (or, solely in the case of a Make-Whole Adjustment
Event pursuant to clause (5) of the definition of &ldquo;Change in Control&rdquo;, the date 15 Scheduled Trading Days prior to
the anticipated Effective Date of such transaction) up to, and including, the Close of Business on the Business Day immediately
prior to the related Fundamental Change Purchase Date or, if such Make-Whole Adjustment Event is not also a Fundamental Change,
the 40th Business Day immediately following the Effective Date for such Make-Whole Adjustment Event (such period, the &ldquo;<B>Make-Whole
Adjustment Event Period</B>&rdquo;). A conversion of Notes shall be deemed for these purposes to be &ldquo;in connection with&rdquo;
a Redemption Notice if the relevant Conversion Notice is received by the Conversion Agent during the period from, and including,
the date of the Redemption Notice up to, and including, the Close of Business on the second Business Day immediately prior to the
Redemption Date.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Cash
Mergers</I>. Notwithstanding anything to the contrary herein, if the consideration paid to holders of the Common Stock in any Make-Whole
Adjustment Event described in clause&nbsp;(2) of the definition of &ldquo;Fundamental Change&rdquo; is comprised entirely of cash,
then, for any conversion of Notes following the Effective Date of such Make-Whole Adjustment Event, the payment and delivery obligations
upon the conversion of a Note shall be calculated based solely on the Stock Price for such Make-Whole Adjustment Event and shall
be deemed to be an amount equal to the applicable Conversion Rate (including any adjustment as described in this Section&nbsp;4.06)
multiplied by such Stock Price. In such event, the Company&rsquo;s conversion obligation will be determined and paid to Holders
in cash on the third Business Day following the applicable Conversion Date. Otherwise, the Company will settle any conversion of
the Notes following the Effective Date for a Make-Whole Adjustment Event in accordance with Section&nbsp;4.03 (but subject to Section&nbsp;4.04).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Determining
the Number of Additional Shares</I>. The number of Additional Shares, if any, by which the Conversion Rate will be increased for
a Holder that converts its Notes in connection with a Make-Whole Adjustment Event or a Redemption Notice shall be determined by
reference to the table attached as <U>Schedule&nbsp;A</U>, based on the Effective Date or the date of the Redemption Notice, as
the case may be, and the price (the &ldquo;<B>Stock Price</B>&rdquo;) paid (or deemed paid) per share of the Common Stock in the
Make-Whole Adjustment Event or on the date of the Redemption Notice, as the case may be, as determined under the two immediately
following sentences. If the holders of the Common Stock receive only cash in a Make-Whole Adjustment Event described in clause&nbsp;(2)
of the definition of &ldquo;Fundamental Change,&rdquo; the Stock Price shall be the cash amount paid per share of Common Stock.
Otherwise, the Stock Price shall be the average of the Last Reported Sale Prices of the Common Stock over the five consecutive
Trading Day period ending on, and including, the Trading Day immediately preceding the Effective Date of the Make-Whole Adjustment
Event or the date of the Redemption Notice, as the case may be.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Interpolation
and Limits</I>. The exact Stock Prices and Effective Dates or dates of the Redemption Notice, as applicable, may not be set forth
in the table in <U>Schedule&nbsp;A</U>, in which case:</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Stock Price is between two Stock Prices in the table or the Effective Date or the date of the Redemption Notice, as the case
may be, is between two dates in the table, the number of Additional Shares shall be determined by a straight-line interpolation
between the number of Additional Shares set forth for the higher and lower Stock Prices and the earlier and later dates, as applicable,
based on a 365-day year.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Stock Price is greater than $40.00 per share (subject to adjustment in the same manner as the Stock Prices set forth in the
column headings of the table in <U>Schedule&nbsp;A</U>), no Additional Shares will be added to the Conversion Rate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Stock Price is less than $4.72 per share (subject to adjustments in the same manner as the Stock Prices set forth in the column
headings of the table in <U>Schedule&nbsp;A</U>), no Additional Shares will be added to the Conversion Rate.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Notwithstanding the foregoing, in no event
will the Conversion Rate be increased on account of a Make-Whole Adjustment Event to exceed 211.8644 shares of Common Stock per
$1,000 principal amount of Notes, subject to adjustments in the same manner as the Conversion Rate is required to be adjusted as
set forth in Section&nbsp;4.04.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Stock Prices set forth in the column headings of the table in <U>Schedule&nbsp;A</U> shall be adjusted as of any date on which
the Conversion Rate of the Notes is otherwise required to be adjusted. The adjusted Stock Prices shall equal the Stock Prices applicable
immediately prior to such adjustment, multiplied by a fraction, the numerator of which is the Conversion Rate immediately prior
to such adjustment giving rise to the Stock Price adjustment and the denominator of which is the Conversion Rate as so adjusted.
The number of Additional Shares set forth in such table shall be adjusted in the same manner and at the same time as the Conversion
Rate is required to be adjusted as set forth in Section&nbsp;4.04.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Notices</I>.
The Company shall notify the Holders, the Trustee and the Conversion Agent of the anticipated Effective Date of any Make-Whole
Adjustment Event and issue a press release announcing such anticipated Effective Date as soon as practicable after determining
such Effective Date (and make the press release available on the Company website). The Company will use its commercially reasonable
efforts to give notice to Holders, the Trustee and the Conversion Agent of the anticipated Effective Date for a Make-Whole Adjustment
Event not more than 70 Scheduled Trading Days nor less than 30 Scheduled Trading Days prior to such anticipated Effective Date;
<I>provided </I>that, solely in the case of a Make-Whole Adjustment Event pursuant to clause (5) of the definition of &ldquo;Change
in Control&rdquo;, in no event will the Company give such notice to Holders later than the date 15 Scheduled Trading Days prior
to the anticipated Effective Date of such transaction.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Solely
in the case where a Holder surrenders its Notes for conversion in connection with a Make-Whole Adjustment Event pursuant to clause
(5) of the definition of &ldquo;Change in Control&rdquo; and the Conversion Rate applicable thereto will be increased by Additional
Shares as described herein, the conversion of such Notes will be settled as follows:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Conversion Date for such Notes surrendered for conversion is on or prior to the fourth Business Day immediately preceding the
anticipated Effective Date of such Make-Whole Adjustment Event, the Company will settle such conversion as described under Section
4.03 by delivering the number of shares of Common Stock, if any, based on the Conversion Rate then in effect without regard to
the number of Additional Shares to be added to the Conversion Rate as described herein, on the third Business Day immediately following
the applicable Conversion Date. In addition, (1) on the third Business Day immediately following the Effective Date of such Make-Whole
Adjustment Event, the Company will deliver the number of shares of Common Stock (or other Reference Property) equal to the number
of Additional Shares by which the Conversion Rate is increased for such Make-Whole Adjustment Event, (2) the delivery of Additional
Shares (or other Reference Property) referred to in the immediately preceding clause (1) will be made without withholding or deduction
for, or on account of, any present or future taxes, duties, assessments or government charges of whatever nature imposed or levied
(including any penalties and interest related thereto), unless such withholding or deduction is required by law, in which case,
the Company or the Successor Company, as applicable, will, subject to the exceptions and limitations set forth in Section 4.06(g)
below, pay to the beneficial owner of any Note that is not a resident of the jurisdiction imposing such withholding or deduction
(the &ldquo;<B>Taxing Jurisdiction</B>&rdquo;) such additional amounts (&ldquo;<B>Additional Amounts</B>&rdquo;) as may be necessary
to ensure that the net amount received by the beneficial owner after such withholding or deduction (and after deducting any applicable
taxes on such Additional Amounts) will equal the amounts that would have been received had no such withholding or deduction been
required and (3) the Company or the Successor Company, as applicable, will pay and indemnify the beneficial owner of any Note for
any present or future stamp, issue, registration, value added, court or documentary taxes, or other excise or property taxes, charges
or similar levies or taxes which are levied on the delivery of Additional Shares (or other Reference Property) referred to in the
preceding clause (1), in the case of clauses (2) and (3), in accordance with the procedures set forth in Section 4.06(h), 4.06(i)
and 4.06(j) below, and, in the case of clause (2) above, subject to the exceptions, set forth in Section 4.06(g) below.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Conversion Date for such Notes surrendered for conversion is after the fourth Business Day immediately preceding the anticipated
Effective Date of such Make-Whole Adjustment Event, the Company will settle such conversion as described in Section 4.03 based
on the Conversion Rate as increased by the Additional Shares on the later to occur of (1) the third Business Day immediately following
the Effective Date of such Make-Whole Adjustment Event and (2) the third Business Day immediately following the applicable Conversion
Date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;However,
notwithstanding the Company&rsquo;s obligation to indemnify or pay Additional Amounts to a beneficial owner of a Note, the Company
will not be required to pay Additional Amounts under Section 4.06(f)(i)(2) above in any of the circumstances described in items
(i) through (vi) below:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional
Amounts will not be payable if a payment on a Note is reduced as a result of any tax, assessment or other governmental charge that
is imposed or withheld by the U.S. or any political subdivision or taxing authority thereof or therein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional
Amounts will not be payable if a payment on a Note is reduced as a result of any tax, assessment or other governmental charge that
is imposed or withheld solely by reason of the beneficial owner of the Note having a relationship with the Taxing Jurisdiction
as a citizen, resident, or otherwise; having had such a relationship in the past; or being considered as having had such a relationship;
but not including, in each case, any relationship arising from the mere acquisition or holding of any Note or the enforcement or
receipt of payment under or in respect of any Note.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional
Amounts will not be payable if a payment on a Note is reduced as a result of any tax, assessment or other governmental charge that
is imposed or withheld solely by reason of the beneficial owner of the Note being treated as present in or engaged in a trade or
business in the Taxing Jurisdiction; being treated as having been present in or engaged in a trade or business in the Taxing Jurisdiction
in the past; or having or having had a permanent establishment in the Taxing Jurisdiction.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional
Amounts will not be payable if a payment on a Note is reduced as a result of any tax, assessment or other governmental charge that
is imposed or withheld solely by reason of the failure of the beneficial owner or Holder of the Note to comply with applicable
certification, identification, documentation or other information reporting requirements (to the extent such beneficial owner or
Holder, as the case may be, is legally eligible to do so).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(v)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional
Amounts will not be payable if a payment on a Note is reduced as a result of any tax, assessment or other governmental charge that
is collected or imposed by any method other than by withholding or deduction from a payment on a Note by the Company or the Paying
Agent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(vi)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Additional
Amounts will not be payable if a payment on a Note is reduced as a result of any estate tax; inheritance tax; gift tax; sales tax;
transfer tax; wealth tax; personal property tax or any similar tax, assessment, or other governmental charge.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(h)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
the event that the Company or the Successor Company, as applicable, become obligated to pay Additional Amounts, the Company or
Successor Company, as applicable, shall deliver to the Trustee on a date that is at least 10 days prior to the date of that payment
(unless the obligation to pay Additional Amounts arises after the 10th day prior to that payment date, in which case the Company
or Successor Company, as applicable, shall notify the Trustee promptly thereafter) an Officer&rsquo;s Certificate stating the fact
that Additional Amounts will be payable and the amount estimated to be so payable. The Officer&rsquo;s Certificate must also set
forth any other information reasonably necessary to enable the Trustee or Paying Agent to pay Additional Amounts to Holders on
the relevant payment date. The Trustee and each Paying Agent shall be entitled to rely solely on such Officer&rsquo;s Certificate
as conclusive proof that such payments are necessary. The Company shall provide the Trustee with documentation reasonably satisfactory
to the Trustee evidencing the payment of Additional Amounts.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
Company or the Successor Company, as applicable, shall make all withholdings and deductions required by law and shall remit the
full amount deducted or withheld to the Taxing Jurisdiction in accordance with applicable law. Promptly upon payment to the relevant
taxing authority, the Company or the Successor Company, as applicable, shall provide to the Trustee an official receipt or, if
official receipts are not obtainable, other documentation reasonably satisfactory to the Trustee evidencing the payment of any
such taxes so deducted or withheld. The Company or the Successor Company, as applicable, will attach to each certified copy or
other document a certificate stating the amount of such taxes paid. Upon written request, copies of those receipts or other documentation,
as the case may be, shall be made available by the Trustee to any Holders of the Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(j)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any
reference in this Indenture or the Notes in any context to the payment of cash and/or the delivery of shares of Common Stock (together
with payments of cash for fractional shares of Common Stock) upon conversion of the Notes shall be deemed to include payment of
Additional Amounts provided for in this Indenture to the extent that, in such context, Additional Amounts are, were or would be
payable in respect thereof.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(k)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The
above obligations in Section 4.06(f)(i)(2) and (3), 4.06(g), 4.06(h), 4.06(i) and 4.06(j) will survive termination, defeasance
or discharge of this Indenture or any transfer by a Holder or beneficial owner of its Notes and will apply <I>mutatis mutandis</I>
to any successor to the Company.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.07&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Effect of Recapitalization, Reclassification, Consolidation,
Merger or Sale.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Merger
Events</I>. In the case of:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;any
recapitalization, reclassification or change of the Common Stock (other than as a result of a subdivision or combination for which
an adjustment was made pursuant to Section&nbsp;4.04(a));</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a
consolidation, merger, combination or binding share exchange involving the Company; or</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a
sale, assignment, conveyance, transfer, lease or other disposition to a third party of the consolidated assets of the Company and
its Subsidiaries as an entirety or substantially as an entirety;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">and, in each case, as a result of which the Common Stock would
be converted into, or exchanged for, common stock, other securities, other property or assets (including cash or any combination
thereof) (any such event, a &ldquo;<B>Merger Event</B>,&rdquo; any such common stock, other securities, other property or assets
(including cash or any combination thereof), &ldquo;<B>Reference Property</B>,&rdquo; and (i)&nbsp;the amount and kind of Reference
Property that a holder of one share of Common Stock is entitled to receive in the applicable Merger Event, or (ii)&nbsp;if as a
result of the applicable Merger Event, each share of Common Stock is converted into, or exchanged for, the right to receive more
than a single type of consideration (determined based in part upon any form of stockholder election), the per share of Common Stock
weighted average of the amounts and kinds of Reference Property received by the holders of Common Stock that affirmatively make
such an election, a &ldquo;<B>Unit of Reference Property</B>&rdquo;) then, at the effective time of such Merger Event, the right
to convert each $1,000 principal amount of Notes based on a number of shares of the Common Stock equal to the Conversion Rate in
effect immediately prior to such Merger Event will, without the consent of the Holders, be changed into a right to convert each
$1,000 principal amount of Notes into or based on a number of Units of Reference Property equal to the Conversion Rate in effect
immediately prior to such Merger Event, and, prior to or at the effective time of such Merger Event, the Company or the successor
or purchasing person, as the case may be, shall execute with the Trustee a supplemental indenture providing for such change in
the right to convert each $1,000 principal amount of Notes; <I>provided</I>, <I>however</I>, that at and after the effective time
of the Merger Event, (i)&nbsp;the number of shares of Common Stock that the Company would have been required to deliver upon conversion
of the Notes in accordance with Section 4.03 and 4.06 shall instead be deliverable in Units of Reference Property and (ii)&nbsp;
the Last Reported Sale Price will, to the extent reasonably possible, be calculated based on the value of a Unit of Reference Property.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company shall not become a party to
any Merger Event unless its terms are consistent with this Section&nbsp;4.07. Such supplemental indenture described in the immediately
preceding paragraph shall provide for adjustments which shall be as nearly equivalent to the adjustments provided for in this Article
4 in the judgment of the Board of Directors or the board of directors of the successor person. If, in the case of any such Merger
Event, the Reference Property receivable thereupon by a holder of Common Stock includes shares of stock, securities or other property
or assets (including cash or any combination thereof) of a person other than the successor or purchasing person, as the case may
be, in such Merger Event, then such indenture shall also be executed by such other person.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Notice
of Supplemental Indentures</I>. The Company shall cause written notice of the execution of such supplemental indenture to be given
to each Holder in accordance with Section 12.08(c) within 20 calendar days after execution thereof. Failure to deliver such notice
shall not affect the legality or validity of such supplemental indenture. The above provisions of this Section&nbsp;4.07 shall
similarly apply to successive Merger Events.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Prior
Notice</I>. In addition, at least 10 Scheduled Trading Days before any Merger Event, the Company shall give notice to Holders of
such Merger Event, or, if the Company has not publicly announced such Merger Event at such time, as promptly as practicable after
publicly announcing such Merger Event. In any such notice, the Company shall also specify the composition of the Unit of Reference
Property for such Merger Event, or, if the Company has not determined the composition of such Unit of Reference Property at such
time, the Company will provide an additional written notice to Holders that states the composition of such Unit of Reference Property
as promptly as practicable after determining its composition.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.08&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Certain Covenants.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Reservation
of Shares</I>. To the extent necessary to satisfy its obligations under this Indenture, prior to issuing any shares of Common Stock,
the Company will reserve out of its authorized but unissued shares of Common Stock a sufficient number of shares of Common Stock
to permit the conversion of the Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Certain
other Covenants</I>. The Company covenants that all shares of Common Stock that may be issued upon conversion of Notes shall be
issued in book-entry format, shall be newly issued shares or treasury shares, shall be duly authorized, validly issued, fully paid
and non-assessable and shall be free from preemptive rights and free from any tax, lien or charge (other than those created by
the Holder or due to a change in registered owner). The Company shall list or cause to have quoted any shares of Common Stock to
be issued upon conversion of Notes on each national securities exchange or over-the-counter or other domestic market on which the
Common Stock is then listed or quoted.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; text-decoration: none"><FONT STYLE="font-weight: normal; font-style: normal">Section
4.09&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Responsibility of Trustee<FONT STYLE="font-style: normal">. The
Trustee and any Conversion Agent shall not at any time be under any duty or responsibility to any Holder of Notes or any other
person to determine or calculate the Conversion Rate, to determine whether any facts exist which may require any adjustment of
the Conversion Rate, or to confirm the accuracy of any such adjustment when made or the appropriateness of the method employed,
or herein or in any supplemental indenture provided to be employed, in making the same. The Trustee and any other Conversion Agent
shall not be accountable with respect to the validity or value (or the kind or amount) of any shares of Common Stock or of any
other securities or property that may at any time be issued or delivered upon the conversion of any Notes; and the Trustee and
the Conversion Agent make no representations with respect thereto. Neither the Trustee nor any Conversion Agent shall be responsible
for any failure of the Company to issue, transfer or deliver any shares of Common Stock or stock certificates or other securities
or property or cash upon the surrender of any Notes for the purpose of conversion or to comply with any of the duties, responsibilities
or covenants of the Company contained in this Article 4. The rights, privileges, protections, immunities and benefits given to
the Trustee, including without limitation its right to be compensated, reimbursed and indemnified, are extended to, and shall
be enforceable by, the Trustee in each of its capacities hereunder, including its capacity as Conversion Agent.</FONT></P>

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


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

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.10&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Notice of Adjustment to the Trustee<FONT STYLE="font-weight: normal; font-style: normal">.
Whenever the Conversion Rate is adjusted as herein provided, the Company shall promptly file with the Trustee and any Conversion
Agent (if other than the Trustee) an Officer&rsquo;s Certificate (upon which the Trustee and the Conversion Agent may conclusively
rely) setting forth the Conversion Rate after such adjustment, a brief statement of the facts requiring such adjustment and the
calculations of the Conversion Rate. Unless and until a Responsible Officer of the Trustee shall have received such Officer&rsquo;s
Certificate, the Trustee shall not be deemed to have knowledge of any adjustment of the Conversion Rate and may assume that the
last Conversion Rate of which it has knowledge is still in effect. Promptly after delivery of such certificate, the Company shall
prepare a notice of such adjustment of the Conversion Rate setting forth the adjusted Conversion Rate and the date as of which
each adjustment becomes effective and shall deliver such notice of such adjustment of the Conversion Rate to the Holder of each
Note in accordance with Section 12.08(c) within 20 days after execution thereof. Failure to deliver such notice shall not affect
the legality, effectiveness or validity of any such adjustment and shall not be an Event of Default under this Indenture.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
4.11&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Notice to Holders.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Notice
to Holders Prior to Certain Actions</I>. The Company shall deliver written notices of the events specified below at the times specified
below and containing the information specified below unless, in each case, (i)&nbsp;pursuant to this Indenture, the Company is
already required to deliver notice of such event containing at least the information specified below at an earlier time or (ii)&nbsp;the
Company, at the time it is required to deliver a notice, does not have knowledge of all of the information required to be included
in such notice, in which case, the Company shall (A)&nbsp;deliver notice at such time containing only the information that it has
knowledge of at such time (if it has knowledge of any such information at such time), and (B)&nbsp;promptly upon obtaining knowledge
of any such information not already included in a notice delivered by the Company, deliver notice to each Holder containing such
information. In each case, the failure by the Company to give such notice, or any defect therein, shall not affect the legality
or validity of such event.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Issuances,
Distributions, and Dividends and Distributions</I>. If the Company (A)&nbsp;announces any issuance of any rights, options or warrants
that would require an adjustment in the Conversion Rate pursuant to Section&nbsp;4.04(b); (B)&nbsp;authorizes any distribution
that would require an adjustment in the Conversion Rate pursuant to Section&nbsp;4.04(c) (including any separation of rights from
the Common Stock described in Section&nbsp;4.04(f)); or (C)&nbsp;announces any dividend or distribution that would require an adjustment
in the Conversion Rate pursuant to Section&nbsp;4.04(d), then the Company shall deliver to the Holders at least 10 Scheduled Trading
Days prior to the Ex-Dividend Date for such issuance, dividend or distribution, notice describing such issuance, dividend or distribution,
as the case may be, and stating the expected Ex-Dividend Date and Record Date for such issuance, distribution, dividend or distribution,
as the case may be. In addition, the Company shall deliver to the Holders written notice if the consideration included in such
issuance, dividend or distribution, or the Ex-Dividend Date or Record Date of such issuance, dividend or distribution, as the case
may be, changes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Tender
and Exchange Offers</I>. If the Company announces any tender or exchange offer that could require an adjustment in the Conversion
Rate pursuant to Section&nbsp;4.04(e), the Company shall deliver to the Holders on the day it announces such tender or exchange
offer, and, if the Company is required to file with the Commission a Schedule TO in connection with such tender or exchange offer,
an additional written notice (i)&nbsp;when the Company first files such Schedule TO, which notice shall include the address at
which such Schedule TO is available on the Commission&rsquo;s EDGAR system (or any successor thereto), and (ii)&nbsp;whenever the
Company files an amendment to such Schedule TO, which notice shall include the address at which such amendment is available on
the Commission&rsquo;s EDGAR system (or any successor thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Voluntary
Increases</I>. If the Company increases the Conversion Rate pursuant to Section&nbsp;4.04(b), the Company shall deliver notice
to the Holders at least 15 calendar days prior to the date on which such increase will become effective, which notice shall state
the date on which such increase will become effective and the amount by which the Conversion Rate will be increased.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Dissolutions,
Liquidations and Winding-Ups</I>. If there is a voluntary or involuntary dissolution, liquidation or winding-up of the Company,
the Company shall deliver notice to the Holders at promptly as possible, but in any event at least 20 Scheduled Trading Days prior
to the earlier of (i)&nbsp;the date on which such dissolution, liquidation or winding-up, as the case may be, is expected to become
effective or occur, and (ii)&nbsp;the date as of which it is expected that holders of Common Stock of record shall be entitled
to exchange their Common Stock for securities or other property deliverable upon such dissolution, liquidation or winding-up, as
the case may be, which notice shall state the expected effective date and Record Date for such event, as applicable, and the amount
and kind of property that a holder of one share of the Common Stock is expected to be entitled, or may elect, to receive in such
event. The Company shall deliver an additional written notice to Holders, as promptly as practicable, whenever the expected effective
date or Record Date, as applicable, or the amount and kind of property that a holder of one share of the Common Stock can expect
to be entitled to receive in such event, changes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Notices
After Certain Actions and Events</I>. Whenever an adjustment to the Conversion Rate becomes effective pursuant to Sections 4.04,
4.05, 4.06 or 4.07, the Company will (i)&nbsp;deliver to the Conversion Agent and the Trustee an Officer&rsquo;s Certificate stating
that such adjustment has become effective, the Conversion Rate, the manner in which the adjustment was computed and describing
the facts upon which the adjustment was based and (ii)&nbsp;issue a press release (and make such press release available on the
Company&rsquo;s website) stating that such adjustment has become effective and the Conversion Rate or conversion privilege as adjusted.
Failure to give any such notice, or any defect therein, shall not affect the validity of any such adjustment.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
5.</FONT><BR>
COVENANTS</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
5.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Payment of Principal and Interest and the Fundamental Change Purchase
Price.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company covenants and agrees that it
will cause to be paid the principal of (including the Fundamental Change Purchase Price and the Redemption Price), premium, if
any, on and accrued and unpaid interest, if any, on, and Additional Amounts, if any, with respect to, each of the Notes at the
places, at the respective times and in the manner provided herein and in the Notes.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
5.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Maintenance of Office or Agency.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company will maintain in New York City,
New York an office of the Paying Agent, an office of the Registrar and an office or agency where Notes may be surrendered for conversion
(&ldquo;<B>Conversion Agent</B>&rdquo;) and where notices and demands to or upon the Company in respect of the Notes and this Indenture
(other than the type contemplated by Section 12.14) may be served (which may be an office or drop facility of the Trustee or any
Agent). The Company will give prompt written notice to the Trustee of the location, and any change in the location, of such office
or agency. If at any time the Company shall fail to maintain any such required office or agency or shall fail to furnish the Trustee
with the address thereof, such presentations, surrenders, notices and demands may be made or served at the Corporate Trust Office
or the office or agency of the Trustee.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company may also from time to time designate
as co-registrars one or more other offices or agencies where the Notes may be presented or surrendered for any or all such purposes
and may from time to time rescind such designations; provided that no such designation or rescission shall in any manner relieve
the Company of its obligation to maintain an office or agency in New York City, New York for such purposes. The Company will give
prompt written notice to the Trustee of any such designation or rescission and of any change in the location of any such other
office or agency. The terms &ldquo;Paying Agent&rdquo; and &ldquo;Conversion Agent&rdquo; include any such additional or other
offices or agencies, as applicable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company hereby initially designates
the Trustee as the Paying Agent, Registrar, Conversion Agent, and its Corporate Trust Office shall be considered as one such office
or agency of the Company for each of the aforesaid purposes. The Company or its Affiliates may act as Paying Agent or Registrar.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">With respect to any Global Note, the Corporate
Trust Office of the Trustee or any Paying Agent shall be the place of payment where such Global Note may be presented or surrendered
for payment or conversion or for registration of transfer or exchange, or where successor Notes may be delivered in exchange therefor;
<I>provided</I>, <I>however</I>, that any such payment, conversion, presentation, surrender or delivery effected pursuant to the
Applicable Procedures for such Global Note shall be deemed to have been effected at the place of payment for such Global Note in
accordance with the provisions of this Indenture.</P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
5.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Provisions as to Paying Agent.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Company shall appoint a Paying Agent other than the Trustee, the Company will cause such Paying Agent to execute and deliver
to the Trustee an instrument in which such agent shall agree, subject to the provisions of this Section&nbsp;5.03:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that
it will hold all sums held by it as such agent for the payment of the principal of, any premium on, accrued and unpaid interest,
if any, on, Fundamental Change Purchase Price for, Redemption Price for, and Additional Amounts, if any, with respect to, the Notes
in trust for the benefit of the Holders of the Notes;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that
it will give the Trustee prompt written notice of any failure by the Company to make any payment of the principal of, any premium
on, accrued and unpaid interest, if any, on, Fundamental Change Purchase Price for, Redemption Price for, or Additional Amounts,
if any, with respect to, the Notes when the same shall be due and payable; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that
at any time during the continuance of an Event of Default, upon request of the Trustee, it will forthwith pay to the Trustee all
sums so held in trust.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company shall, on or before each due
date of the principal of, any premium on, accrued and unpaid interest, if any, on, Fundamental Change Purchase Price for, Redemption
Price for, and Additional Amounts, if any, with respect to, the Notes, deposit with the Paying Agent a sum sufficient to pay such
principal, premium, accrued and unpaid interest, Fundamental Change Purchase Price, Redemption Price or Additional Amounts, as
the case may be, and (unless such Paying Agent is the Trustee) the Company will promptly notify the Trustee in writing of any failure
to take such action, provided that, if such deposit is made on the due date, such deposit must be received by the Paying Agent
by 10:00 a.m., New York City time, on such date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Company shall act as its own Paying Agent, it will, on or before each due date of the principal of, any premium on, accrued
and unpaid interest, if any, on, Fundamental Change Purchase Price for, Redemption Price for, or Additional Amounts, if any, with
respect to, the Notes, set aside, segregate and hold in trust for the benefit of the Holders of the Notes a sum sufficient to pay
such principal, any premium, accrued and unpaid interest, if any, Fundamental Change Purchase Price, Redemption Price or Additional
Amounts, as the case may be, so becoming due and will promptly notify the Trustee in writing of any failure to take such action
and of any failure by the Company to make any payment of the principal of, premium on, accrued and unpaid interest on, Fundamental
Change Purchase Price for, Redemption Price for, or Additional Amounts, if any, with respect to, the Notes when the same shall
become due and payable.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Anything
in this Section&nbsp;5.03 to the contrary notwithstanding, the Company may, at any time, for the purpose of obtaining a satisfaction
and discharge of this Indenture, or for any other reason, pay or cause to be paid to the Trustee all sums held in trust by any
Paying Agent hereunder as required by this Section&nbsp;5.04, such sums to be held by the Trustee upon the trusts herein contained
and upon such payment by the any Paying Agent to the Trustee, such Paying Agent (if other than the Company) shall be released from
all further liability with respect to such sums.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Subject
to any applicable abandoned property law, any money deposited with the Trustee or any Paying Agent, or then held by the Company,
in trust for the payment of the principal of, any premium on, accrued and unpaid interest, if any, on, Fundamental Change Purchase
Price for, Redemption Price for, or Additional Amounts, if any, with respect to, any Note and remaining unclaimed for two years
after such principal, premium, accrued and unpaid interest, Fundamental Change Purchase Price, Redemption Price or Additional Amounts
has become due and payable shall be paid to the Company on written request of the Company contained in an Officer&rsquo;s Certificate,
or (if then held by the Company) shall be discharged from such trust; and the Holder of such Note shall thereafter, as an unsecured
general creditor, look only to the Company for payment thereof, and all liability of the Trustee or such Paying Agent with respect
to such trust money, and all liability of the Company as trustee thereof, shall thereupon cease; <I>provided</I>, <I>however</I>,
that before the Trustee or such Paying Agent are required to make any such repayment, the Company shall cause to be published once,
in a newspaper published in the English language, customarily published on each Business Day and of general circulation in The
Borough of Manhattan, The City of New York, New York, notice that such money remains unclaimed and that, after a date specified
therein, which shall not be less than 30 calendar days from the date of such publication, any unclaimed balance of such money then
remaining will be repaid to the Company.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
5.04&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Reports.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company will (i) file with the Commission
within the time periods prescribed by the Commission&rsquo;s rules and regulations and (ii) furnish to the Trustee and the Holders,
within 15 calendar days after it is required to file the same with the Commission (after giving effect to any grace period provided
by Rule 12b-25 under the Exchange Act), all the quarterly and annual reports and of the information, documents and other reports,
if any, that it is required to file with the Commission pursuant to Section&nbsp;13 or 15(d) of the Exchange Act. Any such report,
information or document that the Company files with the Commission through the EDGAR system (or any successor thereto) will be
deemed to be delivered to the Trustee for the purposes of this Section&nbsp;5.04 at the time of such filing through the EDGAR system
(or such successor thereto); <I>provided, however</I>, that the Trustee shall have no obligation or responsibility to determine
whether the Company is required to file any report or other information with the Commission or the Trustee, whether the Company&rsquo;s
information is available on the EDGAR system (or any successor thereto) or whether the Company has otherwise delivered any notice
or report in accordance with the requirements specified in this Section 5.04.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">At any time the Company is not subject to
Section 13 or 15(d) of the Exchange Act, the Company will, so long as any of the Notes or the shares of Common Stock delivered
upon conversion of the Notes will, at such time, constitute &ldquo;restricted securities&rdquo; within the meaning of Rule 144(a)(3)
under the Securities Act, promptly provide to the Trustee and will, upon written request, provide to any Holder, beneficial owner
or prospective purchaser of such Notes or such shares of Common Stock the information required to be delivered pursuant to Rule
144A(d)(4) under the Securities Act to facilitate the resale of such Notes or such shares of Common Stock pursuant to Rule 144A
under the Securities Act.&nbsp; The Company will take such further action as any Holder or beneficial owner of such Notes or any
holder or beneficial owner of such shares of Common Stock may reasonably request from time to time to enable such Holder or beneficial
owner to sell such Notes or such holder or beneficial owner to sell shares of Common Stock in accordance with Rule 144A under the
Securities Act, as such rule may be amended from time to time.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Delivery of any such reports, information
and documents to the Trustee shall be for informational purposes only, and the Trustee&rsquo;s receipt of such reports, information
and documents shall not constitute actual or constructive notice of any information contained therein or determinable from information
contained therein, including the Company&rsquo;s compliance with any of its covenants hereunder (as to which the Trustee is entitled
to rely exclusively on Officer&rsquo;s Certificates) or any other agreement or document.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
5.05&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Statements as to Defaults<FONT STYLE="font-style: normal">. The
Company is required to deliver to the Trustee (i) within 120 days after the end of each fiscal year ending December 31, an Officer&rsquo;s
Certificate stating whether or not the signers thereof know of any default of the Company that occurred during the previous year
and whether the Company, to the Officer&rsquo;s knowledge, is in default in the performance or observance of any of the terms,
provisions and conditions of this Indenture and (ii) within 30 days after the occurrence thereof, written notice in the form of
an Officer&rsquo;s Certificate of any events that would constitute Defaults or Events of Default, setting forth the details of
such Defaults or Events of Default, their status and the action the Company is taking or proposes to take in respect thereof.
Such Officer&rsquo;s Certificate shall also comply with any additional requirements set forth in Section&nbsp;5.07. The Trustee
shall not be deemed to have notice of any Default or Event of Default except in accordance with Section 11.03(i).</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-style: normal">Section
5.06&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif"><FONT STYLE="font-weight: normal">Additional
Interest Notice<FONT STYLE="font-style: normal">. If Additional Interest is payable by the Company pursuant to Section&nbsp;5.08
or Section&nbsp;6.03, the Company shall deliver to the Trustee an Officer&rsquo;s Certificate, prior to the Regular Record Date
for each applicable Interest Payment Date, to that effect stating (a)&nbsp;the amount of such Additional Interest that is payable
and (b)&nbsp;the date on which such interest is payable. Unless and until a Responsible Officer of the Trustee receives at the
Corporate Trust Office such a certificate, the Trustee may assume without inquiry that no such Additional Interest is payable.
The Trustee shall have no obligation to calculate or determine the amount of any Additional Interest payable by the Company under
this Indenture. If the Company has paid Additional Interest directly to the Persons entitled to it, the Company shall deliver
to the Trustee an Officer&rsquo;s Certificate setting forth the particulars of such payment.</FONT></FONT></FONT></P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
5.07&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Compliance Certificate and Opinions of Counsel.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Except
as otherwise expressly provided in this Indenture, upon any application or request by the Company to the Trustee to take any action
under any provision of this Indenture, the Company shall furnish to the Trustee an Officer&rsquo;s Certificate stating that all
conditions precedent, if any, provided for in this Indenture relating to the proposed action have been complied with and an Opinion
of Counsel stating that in the opinion of such counsel all such conditions precedent, if any, have been complied with, except that
in the case of any such application or request as to which the furnishing of such documents is specifically required by any provision
of this Indenture relating to such particular application or request, no additional certificate or opinion need be furnished; provided
that no Opinion of Counsel shall be required to be delivered in connection with the issuance of the Initial Notes on the date hereof.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Every
certificate or opinion with respect to compliance with a condition or covenant provided for in this Indenture shall include:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a
statement that each individual signing such certificate or opinion has read such covenant or condition and the definitions herein
relating thereto;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a
brief statement as to the nature and scope of the examination or investigation upon which the statements or opinions contained
in such certificate or opinion are based;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a
statement that, in the opinion of each such individual, he has made such examination or investigation as is necessary to enable
him to express an informed opinion as to whether or not such covenant or condition has been complied with; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;a
statement as to whether, in the opinion of each such individual, such condition or covenant has been complied with.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All
applications, requests, certificates, statements or other instruments given under this Indenture shall be without personal recourse
to any individual giving the same and may include an express statement to such effect.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
5.08&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Additional Interest.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If,
at any time during the six-month period beginning on, and including, the date which is six months after the Last Original Issuance
Date, the Company fails to timely file any periodic report that the Company is required to file with the Commission pursuant to
Section 13 or 15(d) of the Exchange Act, as applicable (after giving effect to all applicable grace periods thereunder and other
than current reports on Form 8-K), or the Notes are not otherwise Freely Tradable, including pursuant to Rule 144 under the Securities
Act, by Holders other than affiliates (within the meaning of Rule 144) of the Company or Holders that were affiliates (within the
meaning of Rule 144) of the Company during the 90 days immediately preceding the date of the proposed transfer (as a result of
restrictions pursuant to U.S. securities laws or the terms of this Indenture or the Notes) the Company shall pay Additional Interest
that will accrue on the Notes at the rate of 0.50% per annum of the principal amount of Notes then Outstanding for each day during
such period for which the Company&rsquo;s failure to file has occurred and is continuing or for which the restrictions on transfer
are applicable; <I>provided </I>that such period shall end on the date that is one year from the Last Original Issuance Date.</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Further,
if, and for so long as, the Restricted Notes Legend has not been removed from the Notes, the Notes are assigned a restricted CUSIP
number or the Notes are not otherwise Freely Tradable by Holders other than affiliates (within the meaning of Rule 144) of the
Company or Holders that were affiliates (within the meaning of Rule 144) of the Company during the 90 days immediately preceding
the date of the proposed transfer (without restrictions pursuant to U.S. securities laws or the terms of this Indenture or the
Notes) as of the 365th day after the Last Original Issuance Date, the Company will pay Additional Interest on the Notes that will
accrue on the Notes at the rate of 0.50% per annum of the principal amount of Notes then Outstanding until such Restricted Notes
Legend is removed, the Notes are assigned an unrestricted CUSIP number and the Notes are Freely Tradable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Such
Additional Interest that is payable under Section 5.08 shall be payable in arrears on each Interest Payment Date following accrual
in the same manner as regular interest on the Notes and will be separate and distinct from, and in addition to, any Additional
Interest that may accrue pursuant to Section&nbsp;6.03, subject to the limitations on the maximum annual rate of Additional Interest
set forth in Section 6.03(d).</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
5.09&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Corporate Existence<FONT STYLE="font-style: normal">. Subject
to Article&nbsp;9, the Company will do or cause to be done all things necessary to preserve and keep in full force and effect
its corporate existence, rights (charter and statutory) and franchises; provided, however, that the Company shall not be required
to preserve any such right or franchise if, in the judgment of the Company, the preservation thereof is no longer desirable in
the conduct of the business of the Company.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
5.10&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Restriction on Resales<FONT STYLE="font-style: normal">. The
Company shall not, and shall procure that no &ldquo;affiliate&rdquo; (as defined under Rule 144) of the Company shall, resell
any of the Notes that have been reacquired by the Company or any such &ldquo;affiliate&rdquo; (as defined under Rule 144).</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
5.11&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Further Instruments and Acts<FONT STYLE="font-style: normal">.
Upon request of the Trustee, the Company will execute and deliver such further instruments and do such further acts as may be
reasonably necessary or proper to carry out more effectively the purposes of this Indenture.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
5.12&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Par Value Limitation<FONT STYLE="font-style: normal">. The Company
shall not take any action that, after giving effect to any adjustment pursuant to Article&nbsp;4, would result in the issuance
of shares of Common Stock for less than the par value of such shares of Common Stock.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
5.13&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Company to Furnish Trustee Names and Addresses of Holders<FONT STYLE="font-style: normal">.
The Company will furnish or cause to be furnished to the Trustee</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;semi-annually,
not later than the 10th day after each Regular Record Date, a list, in such form as the Trustee may reasonably require, containing
all the information in the possession or control of the Company, or any of its Paying Agents other than the Trustee, of the names
and addresses of the Holders, as of such preceding Regular Record Date, and</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;at
such other times as the Trustee may request in writing, within 15&nbsp;days after the receipt by the Company of any such request,
a list of similar form and content as of a date the Trustee may reasonably require.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
6.</FONT><BR>
REMEDIES</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif; font-weight: normal; font-style: normal">Section
6.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">Events
of Default<FONT STYLE="font-style: normal">. Each of the following events shall be an &ldquo;<B>Event of Default</B><FONT STYLE="font-weight: normal">&rdquo;:</FONT></FONT></FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company&rsquo;s failure to pay the principal of or any premium, if any, on any Note (including the Fundamental Change Purchase
Price and the Redemption Price) when due and payable on the Maturity Date, upon required repurchase, upon any redemption, upon
declaration of acceleration or otherwise;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company&rsquo;s failure to comply with its obligations under Article 4 to deliver the Settlement Amount owing upon conversion of
any Note (including any Additional Shares or cash in lieu thereof) which failure continues for five&nbsp;Business Days;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company&rsquo;s failure to pay any interest on any Note when due, and such failure continues for a period of 30 days;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company&rsquo;s failure to issue a Fundamental Change Company Notice or notice of a Make-Whole Adjustment Event in accordance with
the provisions of Section&nbsp;3.02(a) and Section 4.06(e), as applicable;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company&rsquo;s failure to perform any other covenant required by the Company in this Indenture (other than a covenant or agreement
a default in whose performance or whose breach is specifically addressed in Sections 6.01(a) through (d) above) and such failure
continues for 60 days after written notice from the Trustee or the Holders of at least 25% in principal amount of the Notes then
Outstanding (a copy of which notice, if given by Holders, must also to be given to the Trustee) has been received by the Company;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;any
indebtedness for money borrowed by, or any other payment obligation of, the Company or any of its Subsidiaries, in an outstanding
principal amount, individually or in the aggregate, in excess of $10.0 million (or its foreign currency equivalent at the time)
is not paid at final maturity (or when otherwise due) or is accelerated, and such indebtedness is not discharged (or such default
in payment or acceleration is cured or rescinded) within thirty 30 days after such due date or acceleration, as the case may be;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company or any of its Subsidiaries fails to pay one or more final and non-appealable judgments entered by a court or courts of
competent jurisdiction, the aggregate uninsured or unbonded portion of which is in excess of $10.0 million, <I>provided </I>that,
no Event of Default will be deemed to occur under this clause (g) if such judgments are paid, discharged or stayed within 30 days
after the entry of such judgment;</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(h)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company or any Significant Subsidiary of the Company (i) commences a voluntary case or other proceeding seeking the liquidation,
reorganization or other relief with respect to the Company or such Significant Subsidiary or its debts under any bankruptcy, insolvency
or other similar law now or hereafter in effect; (ii) seeking the appointment of a trustee, receiver, liquidator, custodian or
other similar official of the Company or such Significant Subsidiary of the Company or any substantial part of the Company&rsquo;s
or such Significant Subsidiary of the Company&rsquo;s property, (iii) consents to any such relief or to the appointment of or taking
possession by any such official in an involuntary case or other proceeding commenced against it, (iv) makes a general assignment
for the benefit of creditors, or (v) fails generally to pay its debts as they become due; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;an
involuntary case or other proceeding is commenced against the Company or any Significant Subsidiary of the Company (i) seeking
liquidation, reorganization or other relief with respect to the Company or such Significant Subsidiary of the Company or its debts
under any bankruptcy, insolvency or other similar law now or hereafter in effect or (ii) seeking the appointment of a trustee,
receiver, liquidator, custodian or other similar official of the Company or such Significant Subsidiary of the Company or any substantial
part of its property, and such involuntary case or other proceeding remains undismissed and unstayed for a period of 60 consecutive
days.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
6.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Acceleration; Rescission and Annulment.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
an Event of Default (other than an Event of Default specified in Section&nbsp;6.01(h) or Section&nbsp;6.01(i) with respect to the
Company) occurs and is continuing, either the Trustee by notice to the Company, or the Holders of at least 25% in aggregate principal
amount of the Notes then Outstanding by written notice to the Company and the Trustee, may, and the Trustee at the written request
of such Holders shall, declare 100% of the principal of, premium, if any, and accrued and unpaid interest, if any, on all the Notes
then Outstanding to be due and payable immediately. If an Event of Default specified in Section&nbsp;6.01(h) or Section&nbsp;6.01(i)
with respect to the Company occurs, 100% of the principal of, premium, if any, and accrued and unpaid interest, if any, on all
Notes shall automatically become immediately due and payable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding
anything to the contrary in Section 6.02(a), Section 6.04 or any other provision of this Indenture, if, at any time after the principal
of, and accrued and unpaid interest, if any, on, the Notes shall have been so declared due and payable in accordance with Section
6.02(a), and before any judgment or decree of a court of competent jurisdiction for the payment of the monies due shall have been
obtained, and each of the conditions set forth in the immediately following clauses (i), (ii) and (iii) is satisfied:</P>

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Company delivers or deposits with the Trustee the amount of cash sufficient to pay all matured installments of principal and interest
upon all the Notes, and the principal of and accrued and unpaid interest, if any, on all Notes which shall have become due otherwise
than by acceleration (with interest on such principal and, to the extent that payment of such interest is enforceable under applicable
law, on overdue installments of interest, at the rate or rates, if any, specified in the Notes to the date of such payment or deposit),
and such amount as shall be sufficient to pay the Trustee its reasonable compensation and reimburse the Trustee for its reasonable
expenses, disbursements and advances (including the fees and expenses of its agents and counsel);</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;rescission
and annulment would not conflict with any judgment or decree of a court of competent jurisdiction; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;any
and all Events of Default under this Indenture, other than the non-payment of the principal of the Notes that became due because
of the acceleration, shall have been cured, waived or otherwise remedied as provided herein,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">then, the Holders of a majority of the aggregate principal amount
of Notes then Outstanding, by written notice to the Company and to the Trustee, may waive all Defaults and Events of Default with
respect to the Notes (except for any Default or Event of Default arising from (a) the Company&rsquo;s failure to pay principal
(including the Fundamental Change Purchase Price and Redemption Price) of, or any interest on, or any Additional Amounts with respect
to, any Notes), (b) the Company&rsquo;s failure to deliver the Settlement Amounts due upon conversion of any Note within the applicable
time period set forth under Section 4.03(a) or (c) the Company&rsquo;s failure to comply with any provision of this Indenture the
modification of which would require the consent of the Holder of each Outstanding Note affected) and may rescind and annul the
declaration of acceleration resulting from such Defaults or Events of Default (except for any Default or Event of Default arising
from (x) the Company&rsquo;s failure to pay principal (including the Fundamental Change Purchase Price and Redemption Price) of,
or any interest on, or any Additional Amounts with respect to, any Notes), (y) the Company&rsquo;s failure to deliver the Settlement
Amounts due upon conversion of any Note within the applicable time period set forth under Section 4.03(a) or (z) the Company&rsquo;s
failure to comply with any provision of this Indenture the modification of which would require the consent of the Holder of each
Outstanding Note affected) and their consequences; <I>provided</I>, that no such rescission or annulment will extend to or will
affect any subsequent Default or Event of Default or shall impair any right consequent on such Default or Event of Default.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
6.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Additional Interest.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notwithstanding
Section&nbsp;6.02, to the extent the Company elects, the sole remedy for an Event of Default under Section&nbsp;6.01(e) relating
to the Company&rsquo;s failure to comply with Section&nbsp;5.04 (such Event of Default, a &ldquo;<B>Reporting Event of Default</B>&rdquo;),
will, for the 180 days after the occurrence of such Reporting Event of Default, consist exclusively of the right to receive Additional
Interest at an annual rate equal to 0.50% of the aggregate principal amount of the Notes then Outstanding to, but not including,
the 181<SUP>st</SUP> day after the occurrence of such Reporting Event of Default (or, if applicable, the earlier date on which
such Reporting Event of Default is cured or waived), payable in the same manner and on the same dates as the stated interest payable
on the Notes.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If
the Reporting Event of Default is continuing on the 181st day after the date on which such Reporting Event of Default occurred,
the Notes will be subject to acceleration as provided in Section&nbsp;6.02(a).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
order to elect to pay the Additional Interest as the sole remedy during the first 180 days after the occurrence of a Reporting
Event of Default, the Company must notify all Holders of Notes, the Trustee and the Paying Agent in writing of such election on
or before the Close of Business on the fifth Business Day prior to the date on which such Reporting Event of Default would otherwise
occur. Upon the Company&rsquo;s failure to timely give such notice of such election or, following such election, pay the Additional
Interest when due, the Notes will be immediately subject to acceleration by declaration of the Trustee or the Holders of at least
25% in aggregate principal amount of the Notes Outstanding as provided in Section&nbsp;6.02. Nothing in this Section&nbsp;6.03
shall affect the rights of Holders of Notes in the event of the occurrence of any other Event of Default.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In
no event shall Additional Interest accruing pursuant to Sections&nbsp;6.03(a) and 6.03(c) accrue on any day under the terms of
this Indenture (taking any such Additional Interest pursuant to Sections 6.03(a) and 6.03(c) together with any Additional Interest
pursuant to Section 5.08) at an annual rate in excess of 0.50% for any violation or Default caused by the Company&rsquo;s failure
to be current in respect of its Exchange Act reporting obligations. Such Additional Interest will be payable in the same manner
and on the same dates as the stated interest payable on the Notes.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.04&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Waiver of Past Defaults<FONT STYLE="font-style: normal">. Subject
to Section 6.02(b), the Holders of not less than a majority of the aggregate principal amount of Notes then Outstanding, by written
notice to the Company and to the Trustee, may waive any Default or Event of Default (except for any Default or Event of Default
arising from (a) the Company&rsquo;s failure to pay principal (including the Fundamental Change Purchase Price and Redemption
Price) of, or any interest on, or any Additional Amounts with respect to, any Notes), (b) the Company&rsquo;s failure to deliver
the Settlement Amounts due upon conversion of any Note within the applicable time period set forth under Section 4.03(a), or (c)
the Company&rsquo;s failure to comply with any provision of this Indenture the modification of which would require the consent
of the Holder of each Outstanding Note affected) and rescind any acceleration resulting from such Default or Event of Default
and its consequences; </FONT><I>provided</I><FONT STYLE="font-style: normal">, that no such waiver will extend to or will
affect any subsequent Default or Event of Default or shall impair any right consequent on such Default or Event of Default.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.05&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Control by Majority<FONT STYLE="font-style: normal">. The Trustee
will not be obligated to exercise any of its rights or powers at the request of the Holders unless the Holders have offered to
the Trustee indemnity or security reasonably satisfactory to it against any loss, liability or expense. Subject to this Indenture,
applicable law and the Trustee&rsquo;s indemnification, the Holders of a majority in aggregate principal amount of the Outstanding
Notes may direct in writing 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 Notes. The Trustee, however, may refuse to follow any
direction that conflicts with law or this Indenture or that the Trustee determines is unduly prejudicial to the rights of any
Holder.</FONT></P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.06&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Limitation on Suits<FONT STYLE="font-style: normal">. Subject
to Section&nbsp;6.07, no Holder will have any right to institute any proceeding under this Indenture, or for the appointment of
a receiver or Trustee, or for any other remedy under this Indenture or with respect to the Notes unless:</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Holder has previously delivered to the Trustee written notice of a continuing Event of Default;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Holders of at least 25% in aggregate principal amount of the then Outstanding Notes deliver to the Trustee a written request that
the Trustee pursue a remedy with respect to such Event of Default and have offered indemnity or security reasonably satisfactory
to the Trustee to institute such proceeding as Trustee;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Trustee has failed to institute a proceeding within 60 days after such notice, request and offer; and</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
Trustee has not received from the Holders of a majority in aggregate principal amount of the then Outstanding Notes a direction
inconsistent with such written request within 60 days after such notice, request and offer.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.07&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Rights of Holders to Receive Payment and to Convert<FONT STYLE="font-style: normal">.
Notwithstanding anything to the contrary elsewhere in this Indenture, the above limitations set forth under Section 6.06 do not
apply to a suit instituted by a Holder for the enforcement of a payment of the principal (including the Fundamental Change Purchase
Price and Redemption Price) of, or any interest on, or any Additional Amounts with respect to, any Note, on or after the applicable
due date, the right to convert the Note or to receive the Settlement Amounts due upon conversion in accordance with Article 4,
or the right of a beneficial owner to exchange its beneficial interest in a Global Note for a Physical Note if an Event of Default
has occurred and is continuing in accordance with Section 2.11.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.08&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Collection of Indebtedness; Suit for Enforcement by Trustee<FONT STYLE="font-style: normal">.
If an Event of Default specified in Section&nbsp;6.01(a), 6.01(b) or 6.01(c) occurs and is continuing, the Trustee is authorized
to recover judgment in its own name and as trustee of an express trust against the Company for the whole amount of principal of,
premium on, interest on, Fundamental Change Purchase Price for, Redemption Price for, Additional Amounts with respect to, the
Settlement Amounts due upon the conversion of the Notes and such further amount as is sufficient to cover the costs and expenses
of collection, including the reasonable compensation, expenses, disbursements and advances of the Trustee, its agents and counsel,
as well as any other amounts that may be due under Section&nbsp;11.07.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.09&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Trustee May Enforce Claims Without Possession of Notes<FONT STYLE="font-style: normal">.
All rights of action and claims under this Indenture or the Notes may be prosecuted and enforced by the Trustee without the possession
of any of the Notes or the production thereof in any proceeding relating thereto, and any such proceeding instituted by the Trustee
shall be brought in its own name as trustee of an express trust, and any recovery of judgment shall, after provision for the payment
of the compensation, and reasonable expenses, disbursements and advances of the Trustee, its agents and counsel, be for the ratable
benefit of the Holders in respect of which such judgment has been recovered.</FONT></P>

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


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<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.10&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Trustee May File Proofs of Claim<FONT STYLE="font-style: normal">.
The Trustee is authorized to file such proofs of claim and other papers or documents as may be necessary or advisable to have
the claims of the Trustee and the Holders allowed in any judicial proceedings relative to the Company, its creditors or its property
and, unless prohibited by law or applicable regulations, will be entitled to collect, receive and distribute any money or other
property payable or deliverable on any such claims, and any custodian in any such judicial proceeding is hereby authorized by
each Holder to make such payments to the Trustee, and, in the event that the Trustee consents to the making of such payments directly
to the Holders, to pay to the Trustee any amount due to it for the reasonable compensation, expenses, disbursements and advances
of the Trustee, its agents and counsel, and any other amounts due the Trustee under Section&nbsp;11.07. To the extent that the
payment of any such compensation, expenses, disbursements and advances of the Trustee, its agents and counsel, and any other amounts
due the Trustee under Section&nbsp;11.07 out of the estate in any such proceeding, will be denied for any reason, payment of the
same will be secured by a lien on, and is paid out of, any and all distributions, dividends, money, securities and other properties
that the Holders may be entitled to receive in such proceeding, whether in liquidation or under any plan of reorganization or
arrangement or otherwise. Nothing herein contained will be deemed to authorize the Trustee to authorize or consent to, or to accept
or to adopt on behalf of any Holder, any plan of reorganization, arrangement, adjustment or composition affecting the Notes or
the rights of any Holder, or to authorize the Trustee to vote in respect of the claim of any Holder in any such proceeding.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.11&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Restoration of Rights and Remedies<FONT STYLE="font-style: normal">.
If the Trustee or any Holder has instituted any proceeding to enforce any right or remedy under this Indenture and such proceeding
has been discontinued or abandoned for any reason, or has been determined adversely to the Trustee or to such Holder, then and
in every such case, subject to any determination in such proceeding, the Company, the Trustee and the Holders shall be restored
severally and respectively to their former positions hereunder and thereafter all rights and remedies of the Trustee and the Holders
shall continue as though no such proceeding had been instituted.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.12&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Rights and Remedies Cumulative<FONT STYLE="font-style: normal">.
Except as otherwise provided with respect to the replacement or payment of mutilated, destroyed, lost or stolen Notes in Section&nbsp;2.09,
no right or remedy herein conferred upon or reserved to the Trustee or to the Holders is intended to be exclusive of any other
right or remedy, and every right and remedy shall, to the extent permitted by law, be cumulative and in addition to every other
right and remedy given hereunder or now or hereafter existing at law or in equity or otherwise. The assertion or employment of
any right or remedy hereunder, or otherwise, shall not prevent the concurrent assertion or employment of any other appropriate
right or remedy.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
6.13&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Delay or Omission Not a Waiver<FONT STYLE="font-style: normal">.
No delay or omission of the Trustee or of any Holder to exercise any right or remedy accruing upon any Event of Default shall
impair any such right or remedy or constitute a waiver of any such Event of Default or an acquiescence therein. Every right and
remedy given by this Article 6 or by law to the Trustee or to the Holders may be exercised from time to time and as often as may
be deemed expedient by the Trustee (subject to the limitations contained in this Indenture) or by the Holders, as the case may
be.</FONT></P>

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


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

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
6.14&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Priorities<FONT STYLE="font-weight: normal; font-style: normal">.
If the Trustee collects any money pursuant to this Article 6, it will pay out the money in the following order:</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">FIRST: to the Trustee, its agents and attorneys
for amounts due under Section&nbsp;11.07, including payment of all compensation, expenses and liabilities incurred, and all advances
made, by the Trustee and the costs and expenses of collection;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">SECOND: to the Holders, for any amounts
due and unpaid on the principal of, premium on, accrued and unpaid interest on, the Fundamental Change Purchase Price for, Redemption
Price for, any Additional Amounts with respect to, and any cash due upon conversion of, any Note, without preference or priority
of any kind, according to such amounts due and payable on all of the Notes; and</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">THIRD: the balance, if any, to the Company
or to such other party as a court of competent jurisdiction directs.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Trustee may fix a record date and payment
date for any payment to the Holders pursuant to this Section&nbsp;6.14. If the Trustee so fixes a record date and a payment date,
at least 15 calendar days prior to such record date, the Trustee will deliver to each Holder a written notice, which notice will
state such record date, such payment date and the amount of such payment.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
6.15&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Undertaking for Costs<FONT STYLE="font-weight: normal; font-style: normal">.
All parties to this Indenture agree, and each Holder, by such Holder&rsquo;s acceptance of a Note, shall be deemed to have agreed,
that any court may in its discretion require, in any suit for the enforcement of any right or remedy under this Indenture, or
in any suit against the Trustee for any action taken or omitted by it as Trustee, the filing by any party litigant in such suit
of an undertaking to pay the costs of such suit, and that such court may in its discretion assess reasonable costs, including
reasonable attorneys&rsquo; fees, against any party litigant in such suit, having due regard to the merits and good faith of the
claims or defenses made by such party litigant; </FONT><I>provided</I><FONT STYLE="font-style: normal">, </FONT><I>however</I><FONT STYLE="font-style: normal">,
that the provisions of this Section&nbsp;6.15 shall not apply to (i) any suit instituted by the Trustee, (ii) any suit instituted
by any Holder, or group of Holders, holding in the aggregate more than 10% in aggregate principal amount of the Notes then Outstanding,
(iii) any suit instituted by any Holder for the enforcement of the payment of the principal (including the Fundamental Change
Purchase Price and Redemption Price) of, or any interest on, or any Additional Amounts with respect to, any Note on or after the
applicable due date expressed or provided for in this Indenture, (iv) any suit for the enforcement of the right to convert any
Note or to receive the Settlement Amounts due upon conversion of any Note in accordance with the provisions of Article 4, or (v)
any suit for the enforcement of the right of a beneficial owner to exchange its beneficial interest in a Global Note for a Physical
Note if an Event of Default has occurred and is continuing in accordance with Section 2.11.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
6.16&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Waiver of Stay, Extension and Usury Laws<FONT STYLE="font-weight: normal; font-style: normal">.
The Company covenants that, to the extent that it may lawfully do so, it will not at any time insist upon, plead, or in any manner
whatsoever claim or take the benefit or advantage of, any stay, extension or usury law wherever enacted, now or at any time hereafter
in force, that may affect the covenants or the performance of this Indenture; and the Company, to the extent that it may lawfully
do so, hereby expressly waives all benefit or advantage of any such law, and covenants that it will not, by resort to any such
law, hinder, delay or impede the execution of any power herein granted to the Trustee, but will instead suffer and permit the
execution of every such power as though no such law has been enacted.</FONT></P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
6.17&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Notices from the Trustee<FONT STYLE="font-weight: normal; font-style: normal">.
If a Default occurs and is continuing and is known to a Responsible Officer of the Trustee, the Trustee must give notice of such
Default to each Holder within 90 days after the date on which a Responsible Officer of the Trustee has received written notice
thereof. Except in the case of a Default in the payment of the principal (including the Fundamental Change Purchase Price and
the Redemption Price) of, premium, if any, or interest on, or any Additional Amounts with respect to, any Note or of a Default
in the delivery of the Settlement Amounts due upon conversion of any Note, the Trustee may withhold notice if and so long as a
committee of trust officers of the Trustee in good faith determines that withholding notice is in the interests of the Holders.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
7.</FONT><BR>
SATISFACTION AND DISCHARGE</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
7.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Discharge of Liability on Notes<FONT STYLE="font-weight: normal; font-style: normal">.
When (a)&nbsp;the Company shall deliver to the Trustee for cancellation all Notes theretofore authenticated (other than any Notes
that have been destroyed, lost or stolen and in lieu of or in substitution for which other Notes shall have been authenticated
and delivered) and not theretofore canceled, or (b)&nbsp;all the Notes not theretofore canceled or delivered to the Trustee for
cancellation shall have become due and payable (whether on the Maturity Date, on any Fundamental Change Purchase Date, Redemption
Date, upon conversion or otherwise) and the Company shall deposit with the Trustee, in trust, or deliver to the Holders, as applicable,
an amount of cash (and, to the extent applicable, deliver to the Holders a number of shares of Common Stock to satisfy the Company&rsquo;s
obligations with respect to outstanding conversions), sufficient to pay all amounts due on all of such Notes (other than any Notes
that shall have been mutilated, destroyed, lost or stolen and in lieu of or in substitution for which other Notes shall have been
authenticated and delivered) not theretofore canceled or delivered to the Trustee for cancellation, including principal and interest
due, accompanied, except in the event the Notes are due and payable solely in cash at the Maturity Date or upon an earlier Fundamental
Change Purchase Date or a Redemption Date, by a verification report as to the sufficiency of the deposited amount from an independent
certified accountant or other financial professional reasonably satisfactory to the Trustee, and the Company shall have paid or
cause to be paid all other sums payable hereunder by the Company, then this Indenture shall cease to be of further effect (except
as to (i)&nbsp;rights hereunder of Holders to receive all amounts owing upon the Notes and the other rights, duties and obligations
of Holders, as beneficiaries hereof with respect to the amounts, if any, so deposited with the Trustee and (ii)&nbsp;the rights,
obligations, indemnities and immunities of the Trustee hereunder and the obligations of the Company in respect thereof), and the
Trustee, on written demand of the Company accompanied by an Officer&rsquo;s Certificate and an Opinion of Counsel and at the cost
and expense of the Company, shall execute instruments acknowledging satisfaction and discharge of this Indenture. Notwithstanding
the foregoing, the Company hereby agrees to reimburse the Trustee for any costs or expenses thereafter reasonably and reasonably
incurred by the Trustee, including the fees and expenses of its counsel, and to compensate the Trustee for any services thereafter
reasonably and properly rendered by the Trustee in connection with this Indenture or the Notes.</FONT></P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
7.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Deposited Monies to Be Held in Trust by Trustee<FONT STYLE="font-weight: normal; font-style: normal">.
Subject to Section&nbsp;7.04, all monies deposited with the Trustee pursuant to Section&nbsp;7.01 shall be held in trust for the
sole benefit of the Holders of the Notes, and such monies and shall be applied by the Trustee to the payment, either directly
or through any Paying Agent (including the Company if acting as its own Paying Agent), to the Holders of the particular Notes
for the payment of all sums or amounts due and to become due thereon for principal and interest, if any.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
7.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Paying Agent to Repay Monies Held<FONT STYLE="font-weight: normal; font-style: normal">.
Upon the satisfaction and discharge of this Indenture, all excess monies then held by any Paying Agent (if other than the Trustee)
shall, upon written request of the Company, be repaid to it or paid to the Trustee, and thereupon such Paying Agent shall be released
from all further liability with respect to such amounts.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
7.04&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Return of Unclaimed Monies<FONT STYLE="font-weight: normal; font-style: normal">.
Subject to the requirements of applicable law, any monies deposited with or paid to the Trustee for payment of the principal of
or interest, if any, on the Notes and not applied but remaining unclaimed by the Holders of the Notes for two (2)&nbsp;years after
the date upon which the principal of or interest, if any, on such Notes, as the case may be, shall have become due and payable,
shall be repaid to the Company by the Trustee on written demand, and all liability of the Trustee shall thereupon cease with respect
to such monies; and the Holders shall thereafter look only to the Company for any payment that such Holder may be entitled to
collect unless an applicable abandoned property law designates another person.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
7.05&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Reinstatement<FONT STYLE="font-weight: normal; font-style: normal">.
If the Trustee or the Paying Agent is unable to apply any monies in accordance with Section&nbsp;7.02 by reason of any order or
judgment of any court or governmental authority enjoining, restraining or otherwise prohibiting such application, the Company&rsquo;s
obligations under this Indenture and the Notes shall be revived and reinstated as though no deposit had occurred pursuant to Section&nbsp;7.01
until such time as the Trustee or the Paying Agent is permitted to apply all such amounts in accordance with Section&nbsp;7.02;
</FONT><I>provided</I><FONT STYLE="font-style: normal">, </FONT><I>however</I><FONT STYLE="font-style: normal">,
that if the Company makes any payment of interest on, principal of or delivery in respect of any Note following the reinstatement
of its obligations, the Company shall be subrogated to the rights of the Holders of such Notes to receive such payment from the
monies held by the Trustee or Paying Agent.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
8.</FONT><BR>
SUPPLEMENTAL INDENTURES</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
8.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Supplemental Indentures Without Consent of Holders.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Without the consent of any Holder, the Company
(when authorized by a Board Resolution) and the Trustee, at any time and from time to time, may enter into one or more indentures
supplemental hereto, in form satisfactory to the Trustee, for any of the following purposes:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to
cure any ambiguity, omission, defect or inconsistency in this Indenture or the Notes that does not adversely affect Holders of
the Notes;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to
evidence the succession by a Successor Company and to provide for the assumption by a Successor Company of the Company&rsquo;s
obligations under this Indenture;</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to
add guarantees with respect to the Notes;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to
secure the Notes;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to
add to the Company&rsquo;s covenants such further covenants, restrictions or conditions for the benefit of the Holders or surrender
any right or power conferred upon the Company by this Indenture;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to
make any change that does not adversely affect the rights of any Holder in any material respect; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;to
conform the terms of this Indenture or the Notes to the description thereof in the Preliminary Offering Memorandum, as supplemented
by the pricing term sheet related to the offering of the Initial Notes as evidenced by an Officer&rsquo;s Certificate from the
Company to the Trustee.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
8.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Supplemental Indentures With Consent of Holders.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">With the consent of the Holders of not less
than a majority in aggregate principal amount of the Outstanding Notes (including, without limitation, consents obtained in connection
with a purchase of, or tender or exchange offer for, Notes) and by Act of said Holders delivered to the Company and the Trustee,
the Company, and the Trustee may amend the Notes or enter into an indenture or indentures supplemental hereto for the purpose of
adding any provisions to or changing in any manner or eliminating any of the provisions of this Indenture or of modifying in any
manner the rights of the Holders under this Indenture, and the Holder of a majority in aggregate principal amount of the Outstanding
Notes may waive the Company&rsquo;s compliance with any provision herein without notice to the other Holders; <I>provided</I>,
<I>however</I>, that no such amendment, supplement or waiver shall, without the consent of the Holder of each Outstanding Note
affected thereby:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;change
the stated Maturity Date of the principal of or any interest on the Notes;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;reduce
the principal amount of or interest on the Notes;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;reduce
the amount of principal payable upon acceleration of the Maturity Date of any Note;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;change
the place or currency of payment of principal of or interest on any Note;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;impair
the right of any Holder to receive payment of principal of and interest on its Notes on or after the due dates therefor or to institute
suit for the enforcement of any payment on, or with respect to, such Holder&rsquo;s Notes;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;modify
the provisions with respect to the purchase rights of Holders as described in Section 3.01 in a manner adverse to Holders in any
material respect;</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;modify
the provisions with respect to the Company&rsquo;s redemption rights as described under Article 10 in a manner that is adverse
to the rights of the Holders in any material respect;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(h)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;modify
the ranking provisions of this Indenture;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;make any change that impairs or adversely affects the conversion rights (including,
without limitation, the right to receive Additional Amounts) in any material respect, or reduces the Conversion Rate, of any
Notes; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(j)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
&nbsp;&nbsp;&nbsp;make any change to the provisions of this Article 8 which require each Holder&rsquo;s consent or in the
waiver provisions in Section&nbsp;6.04 of this Indenture except to increase the percentage required for modification,
amendment or waiver or to provide for consent of each affected Holder of Outstanding Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">It shall not be necessary for any Act or
consent of Holders under this Section&nbsp;8.02 to approve the particular form of any proposed supplemental indenture, but it shall
be sufficient if such Act or consent shall approve the substance thereof.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
8.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Notice of Amendment or Supplement<FONT STYLE="font-weight: normal; font-style: normal">.
After an amendment or supplement under this Article 8 becomes effective, the Company shall provide to the Holders a written notice
briefly describing such amendment or supplement. However, the failure to give such notice to all the Holders, or any defect in
the notice, shall not impair or affect the validity of the amendment or supplement.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
8.04&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Trustee to Sign Amendments, Etc<FONT STYLE="font-weight: normal; font-style: normal">.
The Trustee shall sign any amendment or supplement authorized pursuant to this Article 8 if the amendment or supplement does not
adversely affect the rights, duties, liabilities or immunities of the Trustee. If it does, the Trustee may, but need not, sign
it. In signing or refusing to sign such amendment or supplement, the Trustee shall receive, and shall be fully protected in conclusively
relying upon, an Officer&rsquo;s Certificate and an Opinion of Counsel provided at the expense of the Company providing that such
amendment or supplement is authorized or permitted by this Indenture and such amendment or supplement is a legal, valid and binding
obligation of the Company enforceable against the Company in accordance with its terms.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
9.</FONT><BR>
SUCCESSOR COMPANY</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
9.01&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Company May Consolidate, Etc. on Certain Terms<FONT STYLE="font-weight: normal; font-style: normal">.
Subject to the provisions of Section&nbsp;9.03, the Company shall not consolidate with, enter into a binding share exchange with,
or merge with or into, another Person or sell, assign, convey, transfer, lease or otherwise dispose of its properties and assets
substantially as an entirety to another Person, unless:</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the
resulting, surviving transferee or successor Person (the &ldquo;<B>Successor Company</B>&rdquo;), if not the Company, is a corporation
organized and existing under the laws of the U.S., any state of the U.S. or the District of Columbia and the Successor Company
expressly assumes, by supplemental indenture, executed and delivered to the Trustee, in form satisfactory to the Trustee, all of
the obligations of the Company under the Notes and this Indenture;</P>

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


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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;immediately after giving
effect to such transaction, no Default or Event of Default shall have occurred and be continuing under this Indenture with respect
to the Notes;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if, as a result of any
such transaction, the Notes become convertible pursuant to the terms of this Indenture into Common Stock or other securities issued
by a third party (subject to Section 4.03), such third party fully executes and delivers a supplemental indenture, whereby it unconditionally
guarantees all obligations of the Company or such Successor Company under the Notes and this Indenture; and</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;all other conditions specified
in this Article 9 are met.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Upon any such consolidation, merger, binding
share exchange, sale, assignment, conveyance, transfer, lease or other disposition to another Person, the Successor Company (if
not the Company) shall succeed to, and may exercise every right and power of the Company under this Indenture, and the Company
shall be discharged from its obligations under the Notes and this Indenture except in the case of any lease.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">For purposes of this Section&nbsp;9.01,
any sale, assignment, conveyance, transfer, lease or other disposition of the properties and assets of one or more Subsidiaries
of the Company that would, if the Company held such properties and assets directly, have constituted the sale, assignment, conveyance,
transfer, lease or disposition of the properties and assets of the Company substantially as an entirety will be treated as such
under this Indenture.</P>

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

<P STYLE="font: normal 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Section 9.02&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Successor
Corporation to Be Substituted</I> . In case of any such consolidation, merger, binding share exchange, sale, assignment, conveyance,
transfer, lease or other disposition to another Person and upon the assumption by the Successor Company (if other than the Company),
by supplemental indenture, executed and delivered to the Trustee and satisfactory in form to the Trustee, of the due and punctual
payment of the principal of and premium (including any Fundamental Change Purchase Price and Redemption Price), if any, accrued
and unpaid interest, if any, on, or any Additional Amounts with respect to, all of the Notes, the due and punctual delivery of
any Settlement Amount due upon conversion of the Notes and the due and punctual performance of all of the covenants and conditions
of this Indenture to be performed by the Company under this Indenture, such Successor Company shall succeed to and be substituted
for, and may exercise every right and power of, the Company under this Indenture, with the same effect as if it had been named
herein as the party of the first part; <I>provided, however,</I> that in the case of a sale, assignment, conveyance, transfer,
lease or other disposition to one or more of its Subsidiaries of all or substantially all of the properties and assets of the
Company, the Notes will remain convertible based on the Settlement Amount, in accordance with Section&nbsp;4.03, but subject to
adjustment (if any) in accordance with Section&nbsp;4.06. Such Successor Company thereupon may cause to be signed, and may issue
either in its own name or in the name of the Company any or all of the Notes issuable hereunder which theretofore shall not have
been signed by the Company and delivered to the Trustee; and, upon the order of such Successor Company instead of the Company
and subject to all the terms, conditions and limitations in this Indenture prescribed, the Trustee shall authenticate and shall
deliver, or cause to be authenticated and delivered, any Notes that previously shall have been signed and delivered by the Officers
of the Company to the Trustee for authentication, and any Notes that such Successor Company thereafter shall cause to be signed
and delivered to the Trustee for that purpose. All the Notes so issued shall in all respects have the same legal rank and benefit
under this Indenture as the Notes theretofore or thereafter issued in accordance with the terms of this Indenture as though all
of such Notes had been issued at the date of the execution hereof. In the event of such consolidation, merger, binding share exchange,
sale, assignment, conveyance, transfer or other disposition to another Person (but not in the case of a lease), the Person named
as the &ldquo;Company&rdquo; in the first paragraph of this Indenture or any successor that shall thereafter have become such
in the manner prescribed in this Article 9 may be dissolved, wound up and liquidated at any time thereafter and, except in the
case of a lease, such Person shall be released from its liabilities as obligor and maker of the Notes and from its obligations
under this Indenture.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In case of any such consolidation, merger,
binding share exchange, sale, assignment, conveyance, transfer, lease or other disposition to another Person, such changes in phraseology
and form (but not in substance) may be made in the Notes thereafter to be issued as may be appropriate.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
9.03&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT>Officer&rsquo;s Certificate and Opinion of Counsel to Be Given to Trustee. I<FONT STYLE="font-weight: normal; font-style: normal">n
the case of any such consolidation, merger, binding share exchange, sale, assignment, conveyance, transfer, lease or other disposition
pursuant to Section 9.01, the Trustee shall receive an Officer&rsquo;s Certificate and an Opinion of Counsel stating that any
such consolidation, merger, binding share exchange, sale, assignment, conveyance, transfer, lease or other disposition and any
such assumption and, if a supplemental indenture is required in connection with such transaction, such supplemental indenture,
complies with the provisions of this Indenture.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
10.</FONT><BR>
OPTIONAL REDEMPTION</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
10.01&nbsp;&nbsp;&nbsp;</FONT>Redemption Rights</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company shall not redeem the Notes prior
to September 19, 2016, and no sinking fund is provided for the Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On or after September 19,
2016, the Company may from time to time redeem any or all of the Notes, except for the Notes that the Company is required to repurchase
under Section&nbsp;3.01, in cash at the applicable Redemption Price, <I>provided</I> that the Last Reported Sale Price per share
of the Common Stock for at least 20 Trading Days (whether or not consecutive) during the period of 30 consecutive Trading Days
ending on the Trading Day immediately preceding the date of the Redemption Notice exceeds 130% of the applicable Conversion Price
for the Notes on each applicable Trading Day.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company may elect to
redeem any or all of the Notes pursuant to this Section&nbsp;10.01 by providing a Redemption Notice pursuant to Section&nbsp;10.03,
not more than 60 calendar days but not less than 30 calendar days prior to the Redemption Date; <I>provided, </I>however,<I> </I>that
five calendar days prior to delivery of any Redemption Notice (or such shorter period agreed to by Trustee) to the Holders, the
Company will deliver an Officer&rsquo;s Certificate to the Trustee (upon which the Trustee may conclusively rely) certifying that
the Company is entitled to redeem the Notes in accordance with this Section 10.01. Simultaneously with providing such Redemption
Notice, the Company shall issue a press release and publish such information on the Company&rsquo;s website.</P>

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


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

<P STYLE="font: normal 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
10.02&nbsp;</FONT><I>&nbsp;&nbsp;&nbsp;Redemption Price.</I> <FONT STYLE="font-weight: normal; font-style: normal">The &ldquo;</FONT><B>Redemption
Price</B><FONT STYLE="font-weight: normal; font-style: normal">&rdquo; for the Notes to be redeemed on any Redemption Date shall
be calculated by the Company and be an amount equal to (i) 100% of the principal amount of the Notes being redeemed; </FONT><I>plus
</I><FONT STYLE="font-style: normal">(ii) any accrued and unpaid interest to, but excluding, the Redemption Date; </FONT><I>plus
</I><FONT STYLE="font-style: normal">(iii) the sum of the present values (with each such present value computed by a nationally
recognized independent investment banking firm, which may be the Initial Purchaser, selected by the Company for this purpose using
a discount rate per annum equal to (x) the Reference Discount Rate plus (y) 0.50%) of each of the remaining scheduled payments
of interest that would have been made on the Notes being redeemed had such Notes remained Outstanding from the Redemption Date
to the Maturity Date (excluding interest accrued to, but excluding, the Redemption Date that is otherwise paid pursuant to the
immediately preceding clause (ii)). If the Redemption Date falls after a Regular Record Date for the payment of interest and on
or prior to the corresponding Interest Payment Date, the Company shall not pay accrued and unpaid interest to the Holder of Notes
being redeemed, and will instead pay the full amount of accrued and unpaid interest, if any, payable on such Interest Payment
Date to the Holder of record as of the Close of Business on such Regular Record Date and the Redemption Price shall be an amount
equal to (i) 100% of the principal amount of the Notes being redeemed </FONT><I>plus</I><FONT STYLE="font-style: normal">
(ii) the sum of the present values (with each such present value computed by a nationally recognized independent investment banking
firm, which may be the Initial Purchaser, selected by the Company for this purpose using a discount rate per annum equal to (x)
the Reference Discount Rate plus (y) 0.50%) of each of the remaining scheduled payments of interest that would have been made
on the Notes being redeemed had such Notes remained Outstanding from the Redemption Date to the Maturity Date.</FONT></P>

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

<P STYLE="font: normal 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
10.03&#9;</FONT><I>Redemption Notice.</I> <FONT STYLE="font-weight: normal; font-style: normal">Notice of redemption (a &ldquo;</FONT><B>Redemption
Notice</B><FONT STYLE="font-weight: normal; font-style: normal">&rdquo;) shall be given in accordance with Section 12.08(c), to
each Holder of Notes (with a copy to the Trustee).</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Redemption Notice shall
state:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the Redemption Date (which
must be a Business Day);</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the Redemption Price;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that on the Redemption
Date, the Redemption Price will become due and payable upon each such Note, and that interest thereon, if any, shall cease to accrue
on and after said date;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iv)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the place or places where
such Notes are to be surrendered for payment of the Redemption Price;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(v)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;that Holders have a right
to convert the Notes called for redemption upon satisfaction of the requirements set forth in this Indenture;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(vi)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the time at which the Holders&rsquo;
right to convert the Notes called for redemption will expire, which will be the Close of Business on the second Business Day immediately
preceding the Redemption Date;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(vii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the procedures a converting
Holder must follow to convert its Notes;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(viii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the Conversion Rate and,
if applicable, the number of Additional Shares under Section&nbsp;4.06; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ix)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the CUSIP, ISIN or other
similar numbers, if any, assigned to such Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A Redemption Notice shall
be given by the Company or, at the Company&rsquo;s request, by the Trustee in the name and at the expense of the Company; <I>provided</I>
that the Company shall have delivered to the Trustee, at least five (5)&nbsp;Business Days before the Redemption Notice is required
to be given (or such shorter period agreed to by the Trustee), an Officer&rsquo;s Certificate requesting that the Trustee give
such notice and attaching the form of Redemption Notice and including the information to be stated in such notice.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A Redemption Notice shall
be irrevocable.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A Redemption Notice, if
given in the manner herein provided, shall be conclusively presumed to have been duly given, whether or not a Holder receives such
notice. In any case, a failure to give such Redemption Notice or any defect in the Redemption Notice to the Holder of any Notes
shall not affect the validity of the proceedings for the redemption of any other Notes.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
10.04&nbsp;&nbsp;</FONT>Payment of Notes Called for Redemption.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If any Redemption Notice
has been given in respect of the Notes in accordance with Section&nbsp;10.03, the Notes shall become due and payable on the Redemption
Date at the place or places stated in the Redemption Notice and at the applicable Redemption Price. On presentation and surrender
of the Notes at the place or places stated in the Redemption Notice, the Notes shall be paid and redeemed by the Company at the
applicable Redemption Price. Any Notes redeemed by the Company shall be paid in cash.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prior to 10:00 a.m., New
York City time, on the Redemption Date, the Company shall deposit with the Paying Agent or, if the Company is acting as the Paying
Agent, shall segregate and hold in trust as provided in Section&nbsp;5.03, an amount of cash (in immediately available funds if
deposited on the Redemption Date) sufficient to pay the Redemption Price for all of the Notes to be redeemed on such Redemption
Date. Subject to the Paying Agent holding money sufficient to pay the Redemption Price for all of the Notes to be redeemed on such
Redemption Date, upon surrender of any Note for redemption in accordance with the Redemption Notice, payment for the Notes to be
redeemed shall be made on the Redemption Date for such Notes.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any cash amounts due upon
redemption in respect of the Notes presented for redemption shall be paid by the Company to such Holder, or such Holder&rsquo;s
nominee or nominees. The Paying Agent shall, promptly after such payment and upon written demand by the Company, return to the
Company any funds in excess of the Redemption Price.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
10.05&#9;</FONT>Redemption in Part.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If less than all of the
Outstanding Notes are to be redeemed, the Trustee will select the Notes to be redeemed in principal amounts of $1,000 or integral
multiples of $1,000, by lot, on a <I>pro rata </I>basis or by another method the Trustee considers fair and appropriate, subject
in each case to compliance with the Applicable Procedures of the Depositary. If a portion of the Notes is selected for partial
redemption and the Holder of such Notes converts a portion of its Notes, the converted portion shall be deemed to be from the portion
selected for redemption, except to the extent of the excess, if any, of such converted portion over such portion selected for redemption.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In the event of any redemption
in part, the Company, the Trustee and the Registrar shall not be required to (i)&nbsp;issue, register the transfer of or exchange
any Notes during a period beginning at the Open of Business 15 calendar days before the giving of a Redemption Notice and ending
at the Close of Business on the earliest date on which the relevant Redemption Notice is deemed to have been given to all Holders
of Notes to be redeemed or (ii)&nbsp;register the transfer of or exchange any Notes so selected for redemption, in whole or in
part, except the unredeemed portion of any Notes being redeemed in part.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
10.06&nbsp;&nbsp;</FONT>Restrictions on Redemption. <FONT STYLE="font-weight: normal; font-style: normal">The Company may not redeem the
Notes on any date if the principal amount of the Notes has been accelerated in accordance with the terms of this Indenture, and
such acceleration has not been rescinded on or prior to the Redemption Date (except in the case of an acceleration resulting from
a Default by the Company in the payment of the applicable Redemption Price with respect to such Notes).</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
11.</FONT><BR>
THE TRUSTEE</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.01&#9;</FONT>Duties and Responsibilities of <FONT STYLE="color: windowtext">Trustee</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee</FONT>,
prior to the occurrence of an Event of <FONT STYLE="color: windowtext">Default </FONT>and after the curing of all Events of <FONT STYLE="color: windowtext">Default
</FONT>which may have occurred, undertakes to perform such duties and only such duties as are specifically set forth in this <FONT STYLE="color: windowtext">Indenture
and no implied covenants or obligations shall be read into this Indenture against the Trustee</FONT>. In case an Event of <FONT STYLE="color: windowtext">Default
</FONT>has occurred (which has not been cured or waived), the <FONT STYLE="color: windowtext">Trustee </FONT>shall exercise such
of the rights and powers vested in it by this <FONT STYLE="color: windowtext">Indenture</FONT> and use the same degree of care
in its exercise as a prudent <FONT STYLE="color: windowtext">person </FONT>would use in the conduct of his or her own affairs.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Prior to the occurrence
of an Event of <FONT STYLE="color: windowtext">Default </FONT>and after the curing or waiving of all Events of <FONT STYLE="color: windowtext">Default
</FONT>which may have occurred:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the duties and obligations
of the <FONT STYLE="color: windowtext">Trustee </FONT>shall be determined solely by the express provisions of this <FONT STYLE="color: windowtext">Indenture
</FONT>and applicable law, and the <FONT STYLE="color: windowtext">Trustee </FONT>shall not be liable except for the performance
of such duties and obligations as are specifically set forth in this <FONT STYLE="color: windowtext">Indenture </FONT>and no implied
covenants or obligations shall be read into this <FONT STYLE="color: windowtext">Indenture </FONT>against the <FONT STYLE="color: windowtext">Trustee</FONT>;
and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;in the absence of bad faith
on the part of the Trustee, the Trustee may conclusively rely as to the truth of the statements and the correctness of the opinions
expressed therein, upon any certificates or opinions furnished to the Trustee and conforming to the requirements of this Indenture;
but, in the case of any such certificates or opinions which by any provisions hereof are specifically required to be furnished
to the Trustee, the Trustee shall be under a duty to examine the same to determine whether or not they conform to the requirements
of this Indenture (but need not confirm or investigate the accuracy of any mathematical calculations or other facts stated therein).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;No provision of this <FONT STYLE="color: windowtext">Indenture
</FONT>shall be construed to relieve the <FONT STYLE="color: windowtext">Trustee </FONT>from liability for its own negligent action,
its own negligent failure to act or its own willful misconduct, except that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;this subsection (c) does
not limit the effect of this Section 11.01;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the <FONT STYLE="color: windowtext">Trustee
</FONT>shall not be liable for any error of judgment made in good faith by a <FONT STYLE="color: windowtext">Responsible Officer
</FONT>or <FONT STYLE="color: windowtext">Officers </FONT>of the <FONT STYLE="color: windowtext">Trustee</FONT>, unless the <FONT STYLE="color: windowtext">Trustee
</FONT>was negligent in ascertaining the pertinent facts; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the <FONT STYLE="color: windowtext">Trustee
</FONT>shall not be liable with respect to any action taken or omitted to be taken by it in good faith in accordance with the written
direction of the <FONT STYLE="color: windowtext">Holders </FONT>of not less than a majority in <FONT STYLE="color: windowtext">principal
amount </FONT>of the <FONT STYLE="color: windowtext">Notes </FONT>at the time <FONT STYLE="color: windowtext">Outstanding </FONT>determined
as <FONT STYLE="color: windowtext">provided </FONT>in <FONT STYLE="color: windowtext">Section 1.03 </FONT>relating to the time,
method and place of conducting any proceeding for any remedy available to the <FONT STYLE="color: windowtext">Trustee</FONT>, or
exercising any trust or power conferred upon the <FONT STYLE="color: windowtext">Trustee</FONT> under this <FONT STYLE="color: windowtext">Indenture</FONT>;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whether or not therein
<FONT STYLE="color: windowtext">provided</FONT>, every provision of this <FONT STYLE="color: windowtext">Indenture </FONT>relating
to the conduct or affecting the liability of, or affording protection to, the <FONT STYLE="color: windowtext">Trustee </FONT>shall
be subject to the provisions of this <FONT STYLE="color: windowtext">Section 11.01</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>shall not be liable in respect of any payment (as to the correctness or calculation of amount, entitlement to receive or
any other matters relating to payment) or notice effected by the <FONT STYLE="color: windowtext">Company </FONT>or any <FONT STYLE="color: windowtext">Paying
Agent </FONT>or any records maintained by any co-Registrar with respect to the <FONT STYLE="color: windowtext">Notes</FONT>.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If any party fails to deliver
a notice relating to an event the fact of which, pursuant to this <FONT STYLE="color: windowtext">Indenture</FONT>, requires notice
to be sent to the <FONT STYLE="color: windowtext">Trustee</FONT>, the <FONT STYLE="color: windowtext">Trustee </FONT>may conclusively
rely on its failure to receive such notice as reason to act as if no such event occurred.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;None of the provisions
contained in this Indenture shall require the Trustee to expend or risk its own funds or otherwise incur any financial liability
in the performance of any of its duties or in the exercise of any of its rights or powers if there is reasonable ground for believing
that the repayment of such funds or adequate indemnity against such risk or liability is not reasonably assured to it.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.02&nbsp;&nbsp;</FONT>[Reserved]</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.03&nbsp;&nbsp;</FONT>Rights of the Trustee.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&#9;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>may conclusively rely and shall be protected in acting upon any resolution, certificate, statement, instrument, opinion,
report, notice, request, consent, order, bond, debenture, note, coupon or other paper or document (whether in its original or facsimile
form) believed by it in good faith to be genuine and to have been signed or presented by the proper party or parties.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any request, direction,
order or demand of the <FONT STYLE="color: windowtext">Company </FONT>mentioned herein shall be sufficiently evidenced by an <FONT STYLE="color: windowtext">Officer&rsquo;s
Certificate </FONT>(unless other evidence in respect thereof be herein specifically prescribed); and any resolution of the <FONT STYLE="color: windowtext">Board
of Directors </FONT>may be evidenced to the <FONT STYLE="color: windowtext">Trustee </FONT>by a Board Resolution.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>may consult with counsel of its own selection and any advice or <FONT STYLE="color: windowtext">Opinion of Counsel </FONT>shall
be full and complete authorization and protection in respect of any action taken or omitted by it hereunder in good faith and in
accordance with such advice or <FONT STYLE="color: windowtext">Opinion of Counsel</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>shall be under no obligation to exercise any of the rights or powers vested in it by this <FONT STYLE="color: windowtext">Indenture
</FONT>at the request, order or direction of any of the <FONT STYLE="color: windowtext">Holders </FONT>pursuant to the provisions
of this <FONT STYLE="color: windowtext">Indenture </FONT>(including upon the occurrence and during the continuance of an Event
of <FONT STYLE="color: windowtext">Default</FONT>), unless such <FONT STYLE="color: windowtext">Holders </FONT>shall have offered
to the <FONT STYLE="color: windowtext">Trustee </FONT>security or indemnity reasonably satisfactory to it against any loss, expenses
and liabilities which may be incurred therein or thereby.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>shall not be bound to make any investigation into the facts or matters stated in any resolution, certificate, statement,
instrument, opinion, report, notice, request, direction, consent, order, bond, debenture or other paper or document, but the <FONT STYLE="color: windowtext">Trustee</FONT>,
in its discretion, may make such further inquiry or investigation into such facts or matters as it may see fit, and, if the <FONT STYLE="color: windowtext">Trustee
</FONT>shall determine to make such further inquiry or investigation, it shall be entitled to examine the books, records and premises
of the <FONT STYLE="color: windowtext">Company</FONT>, personally or by agent or attorney (at the reasonable expense of the <FONT STYLE="color: windowtext">Company
</FONT>and shall incur no liability of any kind by reason of such inquiry or investigation).</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(f)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>may execute any of the trusts or powers hereunder or perform any duties hereunder either directly or by or through agents
or attorneys and the <FONT STYLE="color: windowtext">Trustee </FONT>shall not be responsible for any misconduct or negligence on
the part of any agent or attorney appointed by it with due care hereunder.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(g)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>shall not be liable for any action taken, suffered, or omitted to be taken by it in good faith and reasonably believed by
it to be authorized or within the discretion or rights or powers conferred upon it by this <FONT STYLE="color: windowtext">Indenture</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(h)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In no event shall the <FONT STYLE="color: windowtext">Trustee
</FONT>be responsible or liable for special, indirect, consequential or punitive loss or damage of any kind whatsoever (including,
but not limited to, loss of profit) irrespective of whether the <FONT STYLE="color: windowtext">Trustee </FONT>has been advised
of the likelihood of such loss or damage and regardless of the form of action.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>shall not be deemed to have notice of any <FONT STYLE="color: windowtext">Default </FONT>or Event of <FONT STYLE="color: windowtext">Default
</FONT>unless a <FONT STYLE="color: windowtext">Responsible Officer </FONT>of the <FONT STYLE="color: windowtext">Trustee </FONT>has
actual knowledge thereof or unless written notice of any event which is in fact such a default is received by a Responsible Officer
of the <FONT STYLE="color: windowtext">Trustee </FONT>at the <FONT STYLE="color: windowtext">Corporate Trust Office </FONT>of the
<FONT STYLE="color: windowtext">Trustee</FONT>, and such notice references the <FONT STYLE="color: windowtext">Notes </FONT>and
the <FONT STYLE="color: windowtext">Indenture</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(j)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The rights, privileges,
protections, immunities and benefits given to the <FONT STYLE="color: windowtext">Trustee</FONT>, including, without limitation,
its right to be indemnified, are extended to, and shall be enforceable by, the <FONT STYLE="color: windowtext">Trustee </FONT>in
each of its capacities hereunder, and each Agent, custodian and other <FONT STYLE="color: windowtext">Person </FONT>employed to
act hereunder.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(k)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Trustee shall not be
required to give any bond or surety in respect of the performance of its powers and duties hereunder.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(l)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Trustee may request
that the Company deliver an Officer&rsquo;s Certificate setting forth the names of individuals and/or titles of officers authorized
at such time to take specified actions pursuant to this Indenture.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.04&#9;</FONT>Trustee&rsquo;s Disclaimer. <FONT STYLE="font-weight: normal; font-style: normal">The recitals contained herein
and in the Notes (except in the Trustee&rsquo;s certificate of authentication) shall be taken as the statements of the Company,
and the Trustee assumes no responsibility for the correctness of the same. The Trustee makes no representations as to the validity
or sufficiency of this Indenture or of the Notes. The Trustee shall not be accountable for the use or application by the Company
of any Notes or the proceeds of any Notes authenticated and delivered by the Trustee under this Indenture and the Trustee shall
not be responsible for any statement of the Company in this Indenture or in any document issued in connection with the sale of
the Notes.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.05&#9;</FONT>Trustee or Agents May Own Notes. <FONT STYLE="font-weight: normal; font-style: normal">The Trustee or any Agent,
in its individual or any other capacity, may become the owner or pledgee of Notes with the same rights it would have if it were
not Trustee or Agent.</FONT></P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.06&#9;</FONT>Monies to be Held in Trust. <FONT STYLE="font-weight: normal; font-style: normal">Subject to the provisions of
Section 7.02, all monies and properties received by the Trustee shall, until used or applied as herein provided, be held in trust
for the purposes for which they were received. Money held by the Trustee in trust hereunder need not be segregated from other
funds except to the extent required by law. The Trustee shall be under no liability for interest on or the investment of any money
received by it hereunder except as may be agreed in writing from time to time by the Company and the Trustee.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.07&#9;</FONT>Compensation and Expenses of <FONT STYLE="color: windowtext">Trustee</FONT>. <FONT STYLE="font-weight: normal; font-style: normal">The
Company covenants and agrees to pay to the Trustee from time to time, and the Trustee shall be entitled to, such compensation
for all services rendered by it hereunder in any capacity (which shall not be limited by any provision of law in regard to the
compensation of a trustee of an express trust) as mutually agreed to from time to time in writing between the Company and the
Trustee, and the Company will pay or reimburse the Trustee upon its request for all reasonable expenses, disbursements and advances
reasonably incurred or made by the Trustee in accordance with any of the provisions of this Indenture (including the reasonable
compensation and the expenses and disbursements of its counsel and of all Persons not regularly in its employ) except any such
expense, disbursement or advance as may arise from its own negligence or willful misconduct.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Company also covenants to indemnify
each of the Trustee and the Agents (and their respective officers, directors and employees), in any capacity under this Indenture
and their respective agents for, and to hold each of them harmless from and against, any and all loss, liability, claim, damage,
cost or expense incurred without negligence or willful misconduct on its own part and arising out of or in connection with the
acceptance or administration of this trust and the performance of its duties and/or the exercise of its rights hereunder or in
any other capacity hereunder, including the costs and expenses of defending itself against any claim (whether asserted by the Company,
a Holder or any other Person) of liability in the premises. The Trustee shall notify the Company promptly of any claim for which
it may seek indemnity. Failure by the Trustee to so notify the Company shall not relieve the Company of its obligations hereunder.
The Company shall defend the claim and the Trustee shall cooperate in the defense. The Trustee may have separate counsel and the
Company shall pay the reasonable fees and expenses of such counsel. The Company need not pay for any settlement made without its
consent.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The obligations of the Company under this
Section 11.07 to compensate or indemnify the Trustee and to pay or reimburse the Trustee for expenses, disbursements and advances
shall be secured by a lien prior to that of the Notes upon all property and funds held or collected by the Trustee as such, except
funds held in trust for the benefit of the Holders of particular Notes. The obligation of the Company under this Section shall
survive the payment of the Notes, the satisfaction and discharge of this Indenture and/or the resignation or removal of the Trustee.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">When the Trustee, any Agent, and any of
their respective agents incur expenses or render services after an Event of Default specified in Section 6.01(h) and 6.01(i) with
respect to the Company occurs, the expenses and the compensation for the services are intended to constitute expenses of administration
under any bankruptcy, insolvency or similar laws.</P>

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


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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.08&#9;</FONT>Officer&rsquo;s Certificate as Evidence. <FONT STYLE="font-weight: normal; font-style: normal">Subject to Section
11.01, whenever in the administration of the provisions of this Indenture the Trustee shall deem it necessary or desirable that
a matter be proved or established prior to taking or omitting any action hereunder, such matter (unless other evidence in respect
thereof be herein specifically prescribed) may, in the absence of bad faith on the part of the Trustee, be deemed to be conclusively
proved and established by an Officer&rsquo;s Certificate delivered to the Trustee.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.09&#9;</FONT>Conflicting Interests of <FONT STYLE="color: windowtext">Trustee</FONT>. <FONT STYLE="font-weight: normal; font-style: normal">If
the Trustee has or shall acquire a conflicting interest within the meaning of the Trust Indenture Act, the Trustee shall either
eliminate such interest or resign, to the extent and in the manner provided by, and subject to the provisions of, this Indenture.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.10&#9;</FONT>Eligibility of <FONT STYLE="color: windowtext">Trustee</FONT>. <FONT STYLE="font-weight: normal; font-style: normal">There
shall at all times be a Trustee hereunder which shall be a Person that is eligible pursuant to the Trust Indenture Act to act
as such and has a combined capital and surplus of at least $50,000,000 (or if such Person is a member of a bank holding company
system, its bank holding company shall have a combined capital and surplus of at least $50,000,000). If such Person publishes
reports of condition at least annually, pursuant to law or to the requirements of any supervising or examining authority, then
for the purposes of this Section the combined capital and surplus of such Person shall be deemed to be its combined capital and
surplus as set forth in its most recent report of condition so published. If at any time the Trustee shall cease to be eligible
in accordance with the provisions of this Section 11.10, it shall resign immediately in the manner and with the effect hereinafter
specified in this Article.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.11&#9;</FONT>Resignation or Removal of <FONT STYLE="color: windowtext">Trustee</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Trustee
</FONT>may at any time resign by giving written notice of such resignation to the <FONT STYLE="color: windowtext">Company </FONT>and
to the <FONT STYLE="color: windowtext">Holders </FONT>of <FONT STYLE="color: windowtext">Notes</FONT>. Upon receiving such notice
of resignation, the <FONT STYLE="color: windowtext">Company </FONT>shall promptly appoint a successor <FONT STYLE="color: windowtext">trustee
</FONT>by written instrument, in duplicate, executed by order of the <FONT STYLE="color: windowtext">Board of Directors</FONT>,
one copy of which instrument shall be delivered to the resigning <FONT STYLE="color: windowtext">Trustee </FONT>and one copy to
the successor <FONT STYLE="color: windowtext">trustee</FONT>. If no successor <FONT STYLE="color: windowtext">trustee </FONT>shall
have been so appointed and have accepted appointment thirty (30) days after such notice of resignation is given to the Company
and the <FONT STYLE="color: windowtext">Holders</FONT>, the resigning <FONT STYLE="color: windowtext">Trustee </FONT>may, upon
ten (<FONT STYLE="color: windowtext">10</FONT>) <FONT STYLE="color: windowtext">Business Days</FONT>&rsquo; notice to the <FONT STYLE="color: windowtext">Company
</FONT>and the <FONT STYLE="color: windowtext">Holders</FONT>, appoint a successor identified in such notice or may petition, at
the expense of the <FONT STYLE="color: windowtext">Company</FONT>, any court of competent jurisdiction for the appointment of a
successor <FONT STYLE="color: windowtext">trustee</FONT>, or, if any <FONT STYLE="color: windowtext">Holder </FONT>who has been
a bona fide <FONT STYLE="color: windowtext">Holder </FONT>of a Note or <FONT STYLE="color: windowtext">Notes </FONT>for at least
six (6) months may, subject to the provisions of <FONT STYLE="color: windowtext">Section 6.15</FONT>, on behalf of himself and
all others similarly situated, petition any such court for the appointment of a successor <FONT STYLE="color: windowtext">trustee</FONT>.
Such court may thereupon, after such notice, if any, as it may deem proper and prescribe, appoint a successor <FONT STYLE="color: windowtext">trustee</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In case at any time any
of the following shall occur:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the <FONT STYLE="color: windowtext">Trustee
</FONT>shall fail to comply with <FONT STYLE="color: windowtext">Section 11.09 </FONT>after written request therefor by the <FONT STYLE="color: windowtext">Company
</FONT>or by any <FONT STYLE="color: windowtext">Holder </FONT>who has been a bona fide <FONT STYLE="color: windowtext">Holder
</FONT>of a Note or <FONT STYLE="color: windowtext">Notes </FONT>for at least six (6) months; or</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the <FONT STYLE="color: windowtext">Trustee
</FONT>shall cease to be eligible in accordance with the provisions of <FONT STYLE="color: windowtext">Section 11.10 </FONT>and
shall fail to resign after written request therefor by the <FONT STYLE="color: windowtext">Company </FONT>or by any such <FONT STYLE="color: windowtext">Holder</FONT>;
or</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(iii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;the <FONT STYLE="color: windowtext">Trustee
</FONT>shall become incapable of acting, or shall be adjudged a bankrupt or insolvent, or a receiver of the <FONT STYLE="color: windowtext">Trustee
</FONT>or of its property shall be appointed, or any public <FONT STYLE="color: windowtext">officer </FONT>shall take charge or
<FONT STYLE="color: windowtext">control </FONT>of the <FONT STYLE="color: windowtext">Trustee </FONT>or of its property or affairs
for the purpose of rehabilitation, conservation or liquidation;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">then, in any such case, the Company
may remove the Trustee and appoint a successor trustee by written instrument, in duplicate, executed by order of the Board of Directors,
one copy of which instrument shall be delivered to the Trustee so removed and one copy to the successor trustee, or, subject to
the provisions of Section 6.15, any Holder who has been a bona fide Holder of a Note or Notes for at least six (6) months may,
on behalf of himself and all others similarly situated, petition any court of competent jurisdiction for the removal of the Trustee
and the appointment of a successor trustee; <I>provided, however</I>, that if no successor Trustee shall have been appointed and
have accepted appointment thirty (30) days after either the Company or the Holders has removed the Trustee, the Trustee so removed
may petition at the Company&rsquo;s expense any court of competent jurisdiction for an appointment of a successor trustee. Such
court may thereupon, after such notice, if any, as it may deem proper and prescribe, remove the Trustee and appoint a successor
trustee.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The <FONT STYLE="color: windowtext">Holders
</FONT>of a majority in aggregate <FONT STYLE="color: windowtext">principal amount </FONT>of the <FONT STYLE="color: windowtext">Notes
</FONT>at the time <FONT STYLE="color: windowtext">Outstanding </FONT>may at any time remove the <FONT STYLE="color: windowtext">Trustee
</FONT>and nominate a successor <FONT STYLE="color: windowtext">trustee </FONT>which shall be deemed appointed as successor <FONT STYLE="color: windowtext">trustee
</FONT>unless, within ten (<FONT STYLE="color: windowtext">10</FONT>) days after notice to the <FONT STYLE="color: windowtext">Company
</FONT>of such nomination, the <FONT STYLE="color: windowtext">Company </FONT>objects thereto, in which case the <FONT STYLE="color: windowtext">Trustee
</FONT>so removed or any <FONT STYLE="color: windowtext">Holder</FONT>, or if such <FONT STYLE="color: windowtext">Trustee </FONT>so
removed or any <FONT STYLE="color: windowtext">Holder </FONT>fails to act, the <FONT STYLE="color: windowtext">Company</FONT>,
upon the terms and conditions and otherwise as in <FONT STYLE="color: windowtext">Section 11.11(a) provided</FONT>, may petition
any court of competent jurisdiction for an appointment of a successor <FONT STYLE="color: windowtext">trustee</FONT>.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Any resignation or removal
of the <FONT STYLE="color: windowtext">Trustee </FONT>and appointment of a successor <FONT STYLE="color: windowtext">trustee </FONT>pursuant
to any of the provisions of this <FONT STYLE="color: windowtext">Section 11.11 </FONT>shall become effective upon acceptance of
appointment by the successor <FONT STYLE="color: windowtext">trustee </FONT>as <FONT STYLE="color: windowtext">provided </FONT>in
<FONT STYLE="color: windowtext">Section 11.12.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.12&#9;</FONT>Acceptance by Successor <FONT STYLE="color: windowtext">Trustee</FONT>. &nbsp;&nbsp;<FONT STYLE="font-weight: normal; font-style: normal">Any
successor trustee appointed as provided in Section 11.11 shall execute, acknowledge and deliver to the Company and to its predecessor
trustee an instrument accepting such appointment hereunder, and thereupon the resignation or removal of the predecessor trustee
shall become effective and such successor trustee, without any further act, deed or conveyance, shall become vested with all the
rights, powers, duties and obligations of its predecessor hereunder, with like effect as if originally named as trustee herein;
but, nevertheless, on the written request of the Company or of the successor trustee, the trustee ceasing to act shall, upon payment
of any amount then due it pursuant to the provisions of Section 11.07, execute and deliver an instrument transferring to such
successor trustee all the rights and powers of the trustee so ceasing to act. Upon request of any such successor trustee, the
Company shall execute any and all instruments in writing for more fully and certainly vesting in and confirming to such successor
trustee all such rights and powers. Any trustee ceasing to act shall, nevertheless, retain a lien upon all property and funds
held or collected by such trustee as such, except for funds held in trust for the benefit of Holders of particular Notes, to secure
any amounts then due it pursuant to the provisions of Section 11.07.</FONT></P>

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">No successor trustee shall accept appointment
as provided in this Section 11.12 unless, at the time of such acceptance, such successor trustee shall be qualified under the provisions
of Section 11.09 and be eligible under the provisions of Section 11.10.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Upon acceptance of appointment by a successor
trustee as provided in this Section 11.12, the Company (or the former trustee, at the written direction of the Company) shall give
or cause to be given notice of the succession of such trustee hereunder to the Holders of Notes in accordance with Section 12.08(c).
If the Company fails to give such notice within ten (10) days after acceptance of appointment by the successor trustee, the successor
trustee shall cause such notice to be given at the expense of the Company.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.13&#9;</FONT>Succession by Merger, Etc. <FONT STYLE="font-weight: normal; font-style: normal">Any corporation into which the
Trustee may be merged or exchanged or with which it may be consolidated, or any corporation resulting from any merger, exchange
or consolidation to which the Trustee shall be a party, or any corporation succeeding to all or substantially all of the corporate
trust business of the Trustee (including any trust created by this Indenture), shall be the successor to the Trustee hereunder
without the execution or filing of any paper or any further act on the part of any of the parties hereto, provided that in the
case of any corporation succeeding to all or substantially all of the corporate trust business of the Trustee, such corporation
shall be qualified under the provisions of Section 11.09 and eligible under the provisions of Section 11.10.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In case at the time such successor to the
Trustee shall succeed to the trusts created by this Indenture, any of the Notes shall have been authenticated but not delivered,
any such successor to the Trustee may adopt the certificate of authentication of any predecessor trustee or authenticating agent
appointed by such predecessor trustee, and deliver such Notes so authenticated; and in case at that time any of the Notes shall
not have been authenticated, any successor to the Trustee or any authenticating agent appointed by such successor trustee may authenticate
such Notes in the name of the successor trustee; and in all such cases such certificates shall have the full force that is provided
in the Notes or in this Indenture; provided, however, that the right to adopt the certificate of authentication of any predecessor
Trustee or authenticate Notes in the name of any predecessor Trustee shall apply only to its successor or successors by merger,
exchange or consolidation.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.14&#9;</FONT>Preferential Collection of Claims. <FONT STYLE="font-weight: normal; font-style: normal">If and when the Trustee
shall be or become a creditor of the Company (or any other obligor upon the Notes), the Trustee shall be subject to the provisions
of the Trust Indenture Act regarding the collection of the claims against the Company (or any such other obligor).</FONT></P>

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
11.15&#9;</FONT><FONT STYLE="color: windowtext"><I>Trustee</I></FONT><I>&rsquo;s Application for Instructions from the <FONT STYLE="color: windowtext">Company</FONT>.
</I><FONT STYLE="font-weight: normal; font-style: normal">Any application by the Trustee for written instructions from the Company
(other than with regard to any action proposed to be taken or omitted to be taken by the Trustee that affects the rights of the
Holders of the Notes under this Indenture) may, at the option of the Trustee, set forth in writing any action proposed to be taken
or omitted by the Trustee under this Indenture and the date on and/or after which such action shall be taken or such omission
shall be effective. The Trustee shall not be liable for any action taken by, or omission of, the Trustee in accordance with a
proposal included in such application on or after the date specified in such application (which date shall not be less than three
(3) Business Days after the date any officer of the Company actually receives such application, unless any such officer shall
have consented in writing to any earlier date) unless prior to taking any such action (or the effective date in the case of an
omission), the Trustee shall have received written instructions in response to such application specifying the action to be taken
or omitted.</FONT></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-transform: uppercase; text-align: center; text-indent: 0in"><FONT STYLE="text-transform: none; color: black">ARTICLE
12.</FONT><BR>
MISCELLANEOUS</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.01&#9;</FONT>Effect on Successors and Assigns. <FONT STYLE="font-weight: normal; font-style: normal">All agreements of the
Company, the Trustee, the Registrar, the Paying Agent and the Conversion Agent in this Indenture and the Notes will bind their
respective successors.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.02&#9;</FONT>Governing Law. <FONT STYLE="font-weight: normal; font-style: normal">This Indenture and the Notes, and any claim,
controversy or dispute arising under or related to this Indenture or the Notes, will be governed by, and construed in accordance
with, the laws of the State of New York, (without regard to the conflicts of laws provisions thereof other than Section 5-1401
of the General Obligations Law or any successor thereto).</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-weight: normal; font-style: normal">Section
12.03&#9;</FONT>No Note Interest Created<FONT STYLE="font-style: normal">. Nothing in this Indenture or in the Notes, expressed
or implied, shall be construed to constitute a security interest under the Uniform Commercial Code or similar legislation, as
now or hereafter enacted and in effect, in any jurisdiction.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.04&#9;</FONT>Trust Indenture Act. <FONT STYLE="font-weight: normal; font-style: normal">If any provision hereof limits, qualifies
or conflicts with a provision of the Trust Indenture Act that is required under such Act to be a part of and govern this Indenture,
the latter provision shall control. If any provision of this Indenture modifies or excludes any provision of the Trust Indenture
Act that may be so modified or excluded, the latter provision shall be deemed to apply to this Indenture as so modified or to
be excluded, as the case may be.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.05&#9;</FONT>Benefits of Indenture. <FONT STYLE="font-weight: normal; font-style: normal">Nothing in this Indenture or in the
Notes, expressed or implied, will give to any Person, other than the parties hereto, any Agent or their successors hereunder or
the Holders of the Notes, any benefit or any legal or equitable right, remedy or claim under this Indenture.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.06&#9;</FONT>Calculations. <FONT STYLE="font-weight: normal; font-style: normal">Neither the Trustee nor any Agent shall be
responsible for making any calculation with respect to any matter under this Indenture or the Notes. Except as otherwise expressly
provided in this Indenture, the Company and its designated agents shall be responsible for making all calculations called for
under this Indenture and the Notes. These calculations include, but are not limited to, determinations of any Redemption Price,
any Fundamental Change Purchase Price, the Last Reported Sale Prices of the Common Stock, accrued interest payable on the Notes,
the Conversion Rate, the Settlement Amount and the amount of Additional Interest that may be payable by Company from time to time.
The Company shall make all these calculations in good faith and, absent manifest error, its calculations will be final and binding
on Holders. The Company shall provide a schedule of its calculations to each of the Trustee and the Conversion Agent, and each
of the Trustee and the Conversion Agent and all other agents appointed by the Company herein are entitled to rely conclusively
upon the accuracy of the Company&rsquo;s calculations without independent verification. The Trustee shall forward the Company&rsquo;s
calculations to any Holders upon the written request of that Holder.</FONT></P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Whenever the Company is required to calculate
or make adjustments to the Conversion Rate, the Company will do so to the 1/10,000th of a share of Common Stock, rounding any additional
decimal places up or down in a commercially reasonable manner.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.07&#9;</FONT>Execution in Counterparts. <FONT STYLE="font-weight: normal; font-style: normal">This Indenture may be executed
in any number of counterparts, each of which shall be an original, but such counterparts shall together constitute but one and
the same instrument. The exchange of copies of this Indenture and of signature pages by facsimile or PDF transmission shall constitute
effective execution and delivery of this Indenture as to the parties hereto and may be used in lieu of the original Indenture
for all purposes. Signatures of the parties hereto transmitted by facsimile or PDF shall be deemed to be their original signatures
for all purposes.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.08&#9;</FONT>Notices.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Except as otherwise provided
herein, any request, demand, authorization, direction, notice, consent, election, waiver or Act of Holders or other document provided
or permitted by this Indenture to be made upon, given or furnished to, or filed with, the Company or the Trustee shall be in writing
and delivered in person or mailed by first class mail, postage prepaid, overnight courier or transmitted by facsimile transmission
or electronic transmission in PDF format as follows:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(i)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if to the Trustee by any
Holder or by the Company, at its Corporate Trust Office;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 81pt; text-indent: 0.5in">(ii)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;if to the Company by the
Trustee or by any Holder, at the address of its principal office at 2 Snunit Street, Science Park, P.O. Box 455, Carmiel 20100,
Israel.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company or the Trustee,
by notice given to the other in the manner provided in this Section&nbsp;12.08, may designate additional or different addresses
for subsequent notices or communications.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(c)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Notices to (i) the Holders
of Physical Notes will be mailed by first class mail, postage prepaid to the addresses as they appear on the Register of the Notes
maintained by the Registrar and (ii) the Holders of Global Notes will be given to the Depositary in accordance with its Applicable
Procedures. Notices will be deemed to have been given on the date of such mailing. Whenever a notice is required to be given by
the Company, such notice may be given by the Trustee on the Company&rsquo;s behalf.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(d)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Whenever the Company is
required to deliver notice to the Holders, the Company will, by the date it is required to deliver such notice to the Holders,
deliver a copy of such notice to the Trustee and the Agents. Notices to the Trustee shall be deemed given upon actual receipt thereof.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(e)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In respect of this Indenture,
the Trustee shall not have any duty or obligation to verify or confirm that the Person sending instructions, directions, reports,
notices or other communications or information by electronic transmission is, in fact, a Person authorized to give such instructions,
directions, reports, notices or other communications or information on behalf of the party purporting to send such electronic transmission;
and the Trustee shall not have any liability for losses, liabilities, costs or expenses incurred or sustained by any party as a
result of such reliance upon or compliance with such instructions, directions, reports, notices or other communications or information.
Each other party agrees to assume all risks arising out of the use of electronic methods to submit instructions, directions, reports,
notices or other communications or information to the Trustee, including, without limitation the risk of the Trustee acting on
unauthorized instructions, notices, reports or other communications or information, and the risk of interception and misuse by
third parties.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.09&#9;</FONT>No Recourse Against Others. <FONT STYLE="font-weight: normal; font-style: normal">No director, officer, employee,
incorporator or stockholder of the Company shall have any liability for any obligations of the Company under the Notes, the Indenture
or any claim based on, in respect of, or by reason of, such obligations or their creation. Each Holder, by accepting a Note, waives
and releases all such liability. The waiver and release are part of the consideration for issuance of the Notes.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.10&#9;</FONT>Tax Withholding. <FONT STYLE="font-weight: normal; font-style: normal">Nothing herein shall preclude any tax withholding
required by law or regulation.</FONT></P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.11&#9;</FONT>Waiver of Jury Trial. <FONT STYLE="font-weight: normal; font-style: normal">EACH OF THE COMPANY AND THE TRUSTEE
HEREBY IRREVOCABLY WAIVES, TO THE FULLEST EXTENT PERMITTED BY APPLICABLE LAW, ANY AND ALL RIGHT TO TRIAL BY JURY IN ANY LEGAL
PROCEEDING ARISING OUT OF OR RELATING TO THIS INDENTURE, THE NOTES OR THE TRANSACTIONS CONTEMPLATED HEREBY.</FONT></P>

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

<P STYLE="font: normal 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.12&#9;</FONT><I>U.S.A. Patriot Act.</I> The parties hereto acknowledge that in accordance with Section 326 of the U.S.A. Patriot
Act, the Trustee, like all financial institutions and in order to help fight the funding of terrorism and money laundering, is
required to obtain, verify, and record information that identifies each person or legal entity that establishes a relationship
or opens an account with the Trustee. The parties to this Indenture agree that they will provide the Trustee with such information
as it may request in order for the Trustee to satisfy the requirements of the U.S.A. Patriot Act.</P>

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

<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.13&#9;</FONT>Force Majeure. <FONT STYLE="font-weight: normal; font-style: normal">In no event shall the Trustee or any Agent
be responsible or liable for any failure or delay in the performance of its obligations hereunder arising out of or caused by,
directly or indirectly, forces beyond its control, including, without limitation, strikes, work stoppages, accidents, acts of
war or terrorism, civil or military disturbances, disasters, nuclear or natural catastrophes or acts of God, and interruptions,
loss or malfunctions of utilities, communications or computer (software and hardware) services; it being understood that the Trustee
shall use reasonable efforts which are consistent with accepted practices in the banking industry to resume performance as soon
as practicable under the circumstances.</FONT></P>

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


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<P STYLE="font: italic 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><FONT STYLE="font-style: normal">Section
12.14&#9;</FONT>Submission to Jurisdiction.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0.5in">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company hereby irrevocably
consents to jurisdiction of the courts of the State of New York and the courts of the United States of America located in the City
of New York and the County of New York, over any suit, action or proceeding with respect to this Indenture or the Notes or the
transactions contemplated hereby. The Company waives any objection that it may have to the venue of any suit, action or proceeding
with respect to this Indenture or the Notes or the transactions contemplated hereby in the courts of the State of New York or the
courts of the United States of America, in each case, located in the City of New York and County of New York, or that such suit,
action or proceeding brought in the courts of the State of New York or the United States of America, in each case, located in the
City of New York and County of New York was brought in an inconvenient court and agrees not to plead or claim the same. The Company
hereby irrevocably appoints Corporation Service Company, 1180 Avenue of the Americas, Suite 210, New York, NY 10036, as its authorized
agent in the State of New York upon which process may be served in any such suit or proceedings, and agrees that service of process
upon such agent shall be deemed in every respect effective service of process upon the Company in any such suit or proceeding.
The Company further agrees to take any and all action as may be necessary to maintain such designation and appointment of such
agent in full force and effect for the term of this Indenture. Nothing in this Indenture shall in any way be deemed to limit the
ability to serve any such writs, process or summonses in any other manner permitted by applicable law.</P>

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

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blank]</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in"><B>IN WITNESS WHEREOF</B>, the parties hereto
have caused this Indenture to be duly executed as of the day and year first above written.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">Protalix BioTherapeutics, Inc.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By:&nbsp;&nbsp;&nbsp;_____________</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Name:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Title:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>The Bank of New York Mellon Trust Company, N.A , as Trustee, Registrar, Paying Agent and Conversion Agent</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By:&nbsp;&nbsp;&nbsp;&nbsp;_____________</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Name:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Title:</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The following table sets forth the number
of Additional Shares by which the Conversion Rate shall be increased pursuant to Section&nbsp;4.06 based on the hypothetical Stock
Prices and the dates set forth below.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="font-weight: bold; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 7pt">Effective Date / Date of <BR> Notice of Redemption</FONT></TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD COLSPAN="38" NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 7pt">Stock Price</FONT></TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD STYLE="width: 20%; text-align: center; padding-bottom: 1pt; padding-left: 0.05in"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">4.72</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">5.25</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">5.76</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">7.00</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">8.00</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">10.00</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">15.00</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">20.00</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">30.00</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="width: 1%; border-bottom: Black 1pt solid; text-align: left"><FONT STYLE="font-size: 7pt">$</FONT></TD><TD STYLE="width: 5%; border-bottom: Black 1pt solid; text-align: right"><FONT STYLE="font-size: 7pt">40.00</FONT></TD><TD STYLE="width: 1%; padding-bottom: 1pt; text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-indent: -10pt; padding-left: 10pt"><FONT STYLE="font-size: 7pt">September 18, 2013</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">38.2051</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">33.3972</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">28.5534</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">22.1721</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">19.0258</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">14.7709</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">9.1263</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">6.3087</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">3.5021</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">2.1181</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD STYLE="text-indent: -10pt; padding-left: 10pt"><FONT STYLE="font-size: 7pt">September&nbsp;15, 2014</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">38.2051</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">31.4452</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">25.7782</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">18.8941</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">16.1042</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">12.5101</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">7.7618</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">5.3900</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">3.0232</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">1.8505</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-indent: -10pt; padding-left: 10pt"><FONT STYLE="font-size: 7pt">September&nbsp;15, 2015</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">38.2051</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">29.6911</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">23.1601</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">15.2405</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">12.8318</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">9.9413</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">6.1935</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">4.3203</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">2.4485</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">1.5169</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD STYLE="text-indent: -10pt; padding-left: 10pt"><FONT STYLE="font-size: 7pt">September&nbsp;15, 2016</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">38.2051</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">27.8757</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">20.4111</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">11.2181</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">9.0687</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">7.0364</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">4.4015</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">3.0841</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">1.7668</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">1.1090</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="text-indent: -10pt; padding-left: 10pt"><FONT STYLE="font-size: 7pt">September&nbsp;15, 2017</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">38.2051</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">25.2159</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">16.6432</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">6.6408</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">4.8227</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">3.7466</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">2.3523</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">1.6551</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.9579</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.6094</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD STYLE="text-indent: -10pt; padding-left: 10pt"><FONT STYLE="font-size: 7pt">September&nbsp;15, 2018</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">38.2051</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">16.8168</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD>
    <TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD><TD STYLE="text-align: right"><FONT STYLE="font-size: 7pt">0.0000</FONT></TD><TD STYLE="text-align: left"><FONT STYLE="font-size: 7pt">&nbsp;</FONT></TD></TR>
</TABLE>

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


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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF FACE OF NOTE]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">[For all Notes, include the following legend
(the &ldquo;<B>Non-Affiliate Legend</B>&rdquo;):]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>NO AFFILIATE (AS DEFINED IN RULE 144 UNDER
THE SECURITIES ACT) OF THE COMPANY OR PERSON THAT HAS BEEN AN AFFILIATE (AS DEFINED IN RULE 144 UNDER THE SECURITIES ACT) OF THE
COMPANY DURING THE IMMEDIATELY PRECEDING THREE MONTHS MAY PURCHASE, OTHERWISE ACQUIRE OR HOLD THIS SECURITY OR A BENEFICIAL INTEREST
HEREIN.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[For Global Notes, include the following legend (the &ldquo;<B>Global
Notes Legend</B>&rdquo;):]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>[THIS SECURITY IS A GLOBAL NOTE WITHIN THE MEANING OF THE
INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A NOMINEE THEREOF. THIS SECURITY MAY NOT BE
EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED,
IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE
INDENTURE.]</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">[For all Notes that are Restricted Notes,
include the following legend (the &ldquo;<B>Restricted Notes Legend</B>&rdquo;):]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>[THIS SECURITY AND THE COMMON STOCK, IF
ANY, ISSUABLE UPON CONVERSION OF THIS SECURITY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &ldquo;SECURITIES
ACT&rdquo;), AND ACCORDINGLY, PRIOR TO THE RESALE RESTRICTION TERMINATION DATE (AS DEFINED BELOW), MAY NOT BE OFFERED, SOLD, PLEDGED
OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE FOLLOWING SENTENCE. BY ITS ACQUISITION HEREOF OR OF A BENEFICIAL INTEREST
HEREIN, THE ACQUIRER:</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>(1) &#9;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;REPRESENTS THAT IT AND ANY ACCOUNT
FOR WHICH IT IS ACTING IS A &ldquo;QUALIFIED INSTITUTIONAL BUYER&rdquo; (WITHIN THE MEANING OF RULE 144A UNDER THE SECURITIES ACT)
AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT, AND</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>(2) &#9;&#9;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AGREES FOR THE BENEFIT OF THE COMPANY
THAT IT WILL NOT OFFER, SELL, PLEDGE OR OTHERWISE TRANSFER THIS SECURITY OR ANY BENEFICIAL INTEREST HEREIN PRIOR TO THE RESALE
RESTRICTION TERMINATION DATE (AS DEFINED BELOW), EXCEPT:</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(A) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TO PROTALIX BIOTHERAPEUTICS,
INC. (THE &ldquo;COMPANY&rdquo;) OR ANY SUBSIDIARY THEREOF, OR</B></P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(B) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PURSUANT TO A REGISTRATION
STATEMENT WHICH HAS BECOME EFFECTIVE UNDER THE SECURITIES ACT, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(C) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TO A QUALIFIED INSTITUTIONAL
BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(D) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PURSUANT TO AN EXEMPTION
FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT OR ANY OTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS
OF THE SECURITIES ACT.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>THE &ldquo;RESALE RESTRICTION TERMINATION
DATE&rdquo; MEANS THE DATE: (A) THAT IS AT LEAST ONE YEAR AFTER THE LAST ORIGINAL ISSUANCE DATE OF THE NOTES; AND (B) ON WHICH
THE COMPANY HAS INSTRUCTED THE TRUSTEE THAT THIS LEGEND WILL NO LONGER APPLY IN ACCORDANCE WITH THE PROCEDURES DESCRIBED IN THE
INDENTURE.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>PRIOR TO THE REGISTRATION OF ANY TRANSFER
IN ACCORDANCE WITH (2)(D) ABOVE, THE COMPANY AND THE TRUSTEE RESERVE THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS,
CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER FOR THE COMPANY TO DETERMINE THAT THE PROPOSED TRANSFER
IS BEING MADE IN COMPLIANCE WITH THE SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. NO REPRESENTATION IS MADE AS TO THE AVAILABILITY
OF ANY EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.</B>]</P>

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


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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.50% Convertible Senior Notes due 2018</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">No.:&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;]</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in">CUSIP:</TD><TD>[74365A AA9] [; <I>provided</I> that, at such time as the Company provides the Free Transferability Certificate to the Trustee
and the Registrar, this CUSIP number will be deemed removed and replaced with the CUSIP number [74365A AB7].]</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in">Principal</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in">Amount $&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;]
[<I>For Global Notes, include the following</I>: as revised by the Schedule of Increases and Decreases in the Global Note attached
hereto]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Protalix BioTherapeutics, Inc., a Florida
corporation (the &ldquo;<B>Company</B>&rdquo;), promises to pay to [&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;]
[include &ldquo;<I>Cede &amp; Co.&rdquo; for Global Note</I>] or registered assigns, the principal amount of [<I>add principal
amount in words</I>] $[&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;] [<I>For Global Notes, include the following</I>:,
as revised by the Schedule of Increases and Decreases in the Global Note attached hereto,] on September&nbsp;15, 2018 (the &ldquo;<B>Maturity
Date</B>&rdquo;).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Interest Payment Dates: March&nbsp;15 and
September&nbsp;15.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Regular Record Dates: March&nbsp;1 and September&nbsp;1.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Additional provisions of this Security are
set forth on the other side of this Note.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">IN WITNESS WHEREOF, Protalix BioTherapeutics,
Inc. has caused this instrument to be signed manually or by facsimile by one of its duly authorized Officers.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Protalix BioTherapeutics, Inc.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%">By:</TD>
    <TD STYLE="width: 45%; border-bottom: windowtext 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Name:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Title:</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This is one of the Notes referred to in
the within-mentioned Indenture.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">The Bank of New York Mellon Trust Company, N.A., as Trustee</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%">By:</TD>
    <TD STYLE="width: 45%; border-bottom: windowtext 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">Authorized Signatory</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF REVERSE OF NOTE]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Protalix BioTherapeutics, Inc.<BR>
4.50% Convertible Senior Notes due 2018</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Note is one of a duly authorized issue
of securities of the Company (herein called the &ldquo;<B>Notes</B>&rdquo;), issued under the Indenture dated as of September 18,
2013 by and between the Company and the Bank of New York Mellon Trust Company, N.A., herein called the &ldquo;<B>Trustee</B>,&rdquo;
and reference is hereby made to the Indenture for a statement of the respective rights, limitations of rights, duties and immunities
thereunder of the Company, the Trustee and the Holders of the Notes and of the terms upon which the Notes are, and are to be, authenticated
and delivered.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Note does not benefit from a sinking
fund. This Note shall be redeemable at the Company&rsquo;s option in accordance with Article 10 of the Indenture. This Note is
not subject to redemption at the option of the Company prior to September 19, 2016. On or after September 19, 2016, provided that
the Last Reported Sale Prices of the Common Stock exceeds a specified threshold during a period specified in Section&nbsp;10.01(a)
of the Indenture, the Company may redeem for cash all or portions of the Notes at a Redemption Price specified in Section&nbsp;10.02
of the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, upon the occurrence of a Fundamental Change, the Holder of this Note will have the right, at such Holder&rsquo;s
option, to require the Company to purchase this Note, or any portion of this Note such that the principal amount of this Note that
is not purchased equals $1,000 or an integral multiple of $1,000, on the Fundamental Change Purchase Date at a price equal to the
Fundamental Change Purchase Price for such Fundamental Change Purchase Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, the Holder hereof has the right, at any time prior to the Close of Business on the Business Day immediately preceding
the Maturity Date, to convert this Note or a portion of this Note such that the principal amount of this Note converted equals
$1,000 or an integral multiple of $1,000, into a number of shares of Common Stock determined in accordance with Article 4 of the
Indenture and subject to adjustment as set forth therein.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, the Company will make all payments in respect of the Fundamental Change Purchase Price for, the Redemption Price
for, and the principal amount of, this Note to the Holder that surrenders this Note to the Paying Agent to collect such payments
in respect of this Note. The Company will pay cash amounts in money of the U.S. that at the time of payment is legal tender for
payment of public and private debts.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Indenture permits, with certain exceptions
as therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the rights of
the Holders of the Notes to be effected under the Indenture at any time by the Company and the Trustee with the consent of the
Holders of a majority in principal amount of the Notes at the time Outstanding. The Indenture also contains provisions permitting
the Holders of specified percentages in principal amount of the Notes at the time Outstanding, on behalf of the Holders of all
Notes, to waive compliance by the Company with certain provisions of the Indenture and certain past Defaults under the Indenture
and their consequences. Any such consent or waiver by the Holder of this Note shall be conclusive and binding upon such Holder
and upon all future Holders of this Note and of any Note issued upon the registration of transfer hereof or in exchange herefor
or in lieu hereof, whether or not notation of such consent or waiver is made upon this Note.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, the Holder of this Note shall not have the right to institute any proceeding with respect to the Indenture, or
for the appointment of a receiver or trustee, or for any other remedy thereunder, unless such Holder shall have previously given
the Trustee written notice of a continuing Event of Default with respect to the Note, the Holders of not less than 25% in principal
amount of the Notes at the time Outstanding shall have made written request to the Trustee to institute proceedings in respect
of such Event of Default as Trustee and offered the Trustee indemnity or security reasonably satisfactory to it, and the Trustee
shall have failed to institute any such proceeding, for 60 days after receipt of such notice, request and offer of indemnity, and
shall not have received from the Holders of a majority in principal amount of Notes at the time Outstanding a direction inconsistent
with such request. The foregoing shall not apply to any suit instituted by the Holder of this Note for the enforcement of any payment
of the principal hereof, premium, if any, or interest hereon, the Fundamental Change Purchase Price or the Redemption Price with
respect to, any Additional Amounts with respect to, and the amount of cash, the number of shares of Common Stock or the combination
thereof, as the case may be, due upon conversion of this Note or after the respective due dates expressed in the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">No reference herein to the Indenture and
no provision of this Note or of the Indenture shall alter or impair the obligation of the Company, which is absolute and unconditional,
to pay or deliver, as the case may be, the principal of (including the Fundamental Change Purchase Price and the Redemption Price),
premium, interest on, any Additional Amounts with respect to, and the amount of cash, a number of shares of Common Stock or a combination
of cash and shares of Common Stock, if any, as the case may be, due upon conversion of, this Note at the time, place and rate,
and in the coin and currency, herein prescribed.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in the Indenture and subject
to certain limitations therein set forth, the transfer of this Note is registrable in the Register, upon surrender of this Note
for registration of transfer to the Trustee, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory
to the Company and the Registrar duly executed by, the Holder hereof or its attorney duly authorized in writing, and thereupon
a new Note of this series and of like tenor for the same aggregate principal amount will be issued to the designated transferee.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Notes are issuable only in registered
form without coupons in denominations of $1,000 and integral multiples of $1,000. As provided in the Indenture and subject to certain
limitations therein set forth, the Notes are exchangeable for a like aggregate principal amount of Notes and of like tenor of a
different authorized denomination, as requested by the Holder surrendering the same.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Subject to the rights of the Holders as
of the Regular Record Date to receive interest on the related Interest Payment Date, prior to due presentment of this Note for
registration of transfer, the Company, the Trustee, the Agents and any of their respective agents may treat the Person in whose
name the Note is registered as the owner hereof for all purposes, whether or not this Note be overdue, and neither the Company,
the Trustee, the Agents nor any agents shall be affected by notice to the contrary.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Customary abbreviations may be used in the
name of a Holder or an assignee, such as TEN COM (= tenants in common), TEN ENT (= tenants by the entirety), JT TEN (= joint tenants
with rights of survivorship and not as tenants in common), CUST (= custodian) and U/G/M/A (= Uniform Gift to Minors Act).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Upon the issuance of any new Note, the Company
may require payment by the Holder of a sum sufficient to cover any tax or other governmental charge that may be imposed in relation
thereto and any other expenses (including fees and expenses of the Trustee) connected therewith.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">All defined terms used in this Note that
are defined in the Indenture shall have the meanings assigned to them in the Indenture. If any provision of this Note limits, qualifies
or conflicts with a provision of the Indenture, such provision of the Indenture shall control.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0.5in">ATTACHMENT 1</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF NOTICE OF CONVERSION]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">To:&#9;Protalix BioTherapeutics, Inc.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The undersigned owner of this Note hereby irrevocably exercises
the option to convert this Note, or a portion hereof (which is such that the principal amount of the portion of this Note that
will not be converted equals $1,000 or an integral multiple of $1,000 in excess thereof) below designated, into a number of shares
of Common Stock in accordance with the terms of the Indenture referred to in this Note, and directs that any cash payable and any
shares of Common Stock issuable and deliverable upon conversion, together with any Notes representing any unconverted principal
amount hereof, be paid and/or issued and/or delivered, as the case may be, to the registered Holder hereof unless a different name
is indicated below.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Subject to certain exceptions set forth in the Indenture, if
this notice is being delivered on a date after the Close of Business on a Regular Record Date and prior to the Open of Business
on the Interest Payment Date corresponding to such Regular Record Date, this notice must be accompanied by payment of an amount
equal to the interest payable on such Interest Payment Date on the principal amount of this Note to be converted. If any shares
of Common Stock are to be issued in the name of a Person other than the undersigned, the undersigned will pay all transfer taxes
payable with respect to such issuance and transfer as set forth in the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Principal amount to be converted (if less than all):</P>

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

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

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Signature(s)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Sign exactly as your name appears on the other side of this Note)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Signature Guarantee</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Signature(s) must be guaranteed by an institution which is a member of one of the following recognized signature Guarantee Programs:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(i)&nbsp;The Notes Transfer Agent Medallion Program (STAMP); (ii)&nbsp;The New York Stock Exchange Medallion Program (MNSP); (iii)&nbsp;another guarantee program acceptable to the Trustee.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Fill in if a check is to be issued, or shares of Common Stock
or Notes are to be registered, otherwise than to or in the name of the registered Holder.</P>

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


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">(Name)</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>(Address)</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Please print name and address</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>(including zip code)</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>(Social Security or other Taxpayer</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Identifying Number)</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Dated: &nbsp;________</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">Signature(s)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Sign exactly as such Person&rsquo;s name appears above)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Signature Guarantee</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Signature(s) must be guaranteed by an institution which is a member of one of the following recognized signature Guarantee Programs:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(i)&nbsp;The Notes Transfer Agent Medallion Program (STAMP); (ii)&nbsp;The New York Stock Exchange Medallion Program (MNSP); (iii)&nbsp;The Stock Exchange Medallion Program (SEMP) or (iv)&nbsp;another guarantee program acceptable to the Trustee.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0.5in">ATTACHMENT 2</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF FUNDAMENTAL CHANGE PURCHASE NOTICE]</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The undersigned registered owner of this Note hereby acknowledges
receipt of a Fundamental Change Company Notice from Protalix BioTherapeutics, Inc. (the &ldquo;<B>Company</B>&rdquo;) as to the
occurrence of a Fundamental Change with respect to the Company and specifying the Fundamental Change Purchase Date and requests
and instructs the Company to pay to the registered holder hereof in accordance with the applicable provisions of the Indenture
referred to in this Note (i)&nbsp;the entire principal amount of this Note, or the portion thereof (that is such that the portion
not to be purchased has a principal amount equal to $1,000 or an integral multiple of $1,000 in excess thereof) below designated,
and (ii)&nbsp;if such Fundamental Change Purchase Date does not occur during the period after a Regular Record Date and on or prior
to the Interest Payment Date corresponding to such Regular Record Date, accrued and unpaid interest, if any, thereon to, but excluding,
such Fundamental Change Purchase Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Principal amount to be purchased (if less than all):</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Certificate number (if Notes are in certificated form)</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Signature(s)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Sign exactly as your name appears on the other side of this Note)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Social Security or Other Taxpayer Identification Number</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">ATTACHMENT 3</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF ASSIGNMENT AND TRANSFER]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">For value received, <U>&#9;__________ </U>hereby sell(s), assign(s)
and transfer(s) unto <U>&#9;__________</U> (Please insert social security or Taxpayer Identification Number of assignee) the within
Note, and hereby irrevocably constitutes and appoints <U>&#9;__________ </U>to transfer the said Note on the books of the Company,
with full power of substitution in the premises.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">In connection with any transfer of the within Note occurring
prior to the Resale Restriction Termination Date, as defined in the Indenture governing such Note, the undersigned confirms that
such Note is being transferred:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To Protalix
BioTherapeutics, Inc. or a subsidiary thereof; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to a registration statement which has become effective under the Securities Act of 1933, as amended; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To a qualified
institutional buyer in compliance with Rule 144A under the Securities Act of 1933, as amended; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to an exemption from registration provided by Rule 144 under the Securities Act of 1933, as amended, or any other available exemption
from the registration requirements of the Securities Act of 1933, as amended.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[TO BE SIGNED BY PURCHASER IF THE SECOND, THIRD OR FOURTH BOX
ABOVE IS CHECKED]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[<I>Include if the second, third or fourth box above is checked</I>]
[The undersigned (on the immediately following signature line) represents and warrants that it is not, and has not been for the
immediately preceding 90 days, an &ldquo;affiliate&rdquo; (as defined in Rule 144 under the Securities Act of 1933, as amended)
of Protalix BioTherapeutics, Inc.]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[<I>Include if the third box above is checked</I>] [The undersigned
(on the immediately following signature line) represents and warrants that it is purchasing this Note for its own account or an
account with respect to which it exercises sole investment discretion and that it and any such account is a &ldquo;qualified institutional
buyer&rdquo; within the meaning of Rule 144A under the Securities Act and is aware that the sale to it is being made in reliance
on Rule 144A and acknowledges that it has received such information regarding the Company as the undersigned has requested pursuant
to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon the undersigned&rsquo;s
foregoing representations in order to claim the exemption from registration provided by Rule 144A.]</P>

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

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

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Unless one of the above boxes is checked, the Trustee will refuse
to register any of the Notes evidenced by this certificate in the name of any Person other than the registered Holder thereof;
<I>provided</I> that, if the fourth box is checked, the Company may require, prior to registering any such transfer of the Notes,
in its sole discretion, such legal opinions, certifications and other information as the Company may reasonably request to confirm
that such transfer is being made pursuant to an exemption from, or in a transaction not subject to, the registration requirements
of the Securities Act.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">If none of the foregoing boxes is checked,
the Trustee or Registrar shall not be obligated to register this Note in the name of any Person other than the Holder hereof unless
and until the conditions to any such transfer of registration set forth herein and in Section 2.11 of the Indenture shall have
been satisfied.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated:&#9;________________</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">______________________<BR>
<BR>
______________________<BR>
Signature(s)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">(Sign exactly as your name appears
on the other side of this Note)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">______________________</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2.5in; text-indent: -2.5in">Signature Guarantee</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">(Signature(s) must be guaranteed by an institution which is a member of one of the following recognized signature Guarantee Programs:&nbsp;&nbsp;(i)&nbsp;The Notes Transfer Agent Medallion Program (STAMP); (ii)&nbsp;The New York Stock Exchange Medallion Program (MNSP); (iii)&nbsp;The Stock Exchange Medallion Program (SEMP) or (iv)&nbsp;another guarantee program acceptable to the Trustee)</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">ATTACHMENT 4</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[<I>Insert for Global Note</I>]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SCHEDULE OF INCREASES AND DECREASES IN THE
GLOBAL NOTE<BR>
Initial Principal Amount of Global Note:</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD NOWRAP STYLE="vertical-align: bottom; width: 16%; text-align: center; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt"><B>Date</B></FONT></TD>
    <TD NOWRAP STYLE="vertical-align: top; width: 1%; text-align: center; padding-bottom: 1pt">&nbsp;</TD>
    <TD NOWRAP STYLE="vertical-align: bottom; width: 20%; text-align: center; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt"><B>Amount of Increase </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>in Principal </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Amount of Global </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Note</B></FONT></TD>
    <TD NOWRAP STYLE="vertical-align: top; width: 1%; text-align: center; padding-bottom: 1pt">&nbsp;</TD>
    <TD NOWRAP STYLE="vertical-align: bottom; width: 20%; text-align: center; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt"><B>Amount of </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Decrease in </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Principal Amount </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>of Global Note</B></FONT></TD>
    <TD NOWRAP STYLE="vertical-align: top; width: 1%; text-align: center; padding-bottom: 1pt">&nbsp;</TD>
    <TD NOWRAP STYLE="vertical-align: bottom; width: 20%; text-align: center; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt"><B>Principal Amount </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>of Global Note </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>After Increase or </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Decrease</B></FONT></TD>
    <TD NOWRAP STYLE="vertical-align: top; width: 1%; text-align: center; padding-bottom: 1pt">&nbsp;</TD>
    <TD NOWRAP STYLE="vertical-align: bottom; width: 20%; text-align: center; border-bottom: Black 1pt solid"><FONT STYLE="font-size: 10pt"><B>Notation by </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Registrar, Note </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Custodian or </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>authorized </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>signatory of </B></FONT><BR>
<FONT STYLE="font-size: 10pt"><B>Trustee</B></FONT></TD></TR>
</TABLE>


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

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

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


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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF FREE TRANSFERABILITY CERTIFICATE]</P>

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">[NAME OF OFFICER], the [TITLE] of Protalix
BioTherapeutics, Inc., a Florida corporation (the &ldquo;<B>Company</B>&rdquo;) does hereby certify, in connection with the occurrence
of the Free Trade Date on [date] in respect of $[<I> add principal amount</I>] of the Company&rsquo;s 4.50% Convertible Senior
Notes due 2018 (CUSIP: [74365A AA9]) (the &ldquo;<B>Notes</B>&rdquo;) pursuant to the terms of the Indenture, dated as of September
18, 2013 (as may be amended or supplemented from time to time, the &ldquo;<B>Indenture</B>&rdquo;), by and between the Company
and The Bank of New York Mellon Trust Company, N.A. (the &ldquo;<B>Trustee</B>&rdquo;), that:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned is permitted to sign
this &ldquo;Officer&rsquo;s Certificate&rdquo; on behalf of the Company, as the term &ldquo;Officer&rsquo;s Certificate&rdquo;
is defined in the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The undersigned has read, and thoroughly
examined, the Indenture and the definitions therein relating thereto.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">3.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In the opinion of the undersigned,
the undersigned has made such examination as is necessary to enable the undersigned to express an informed opinion as to whether
or not all conditions precedent to the removal of the Restricted Notes Legend described herein from the Notes as provided for in
the Indenture have been complied with.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">4.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To the best knowledge of the undersigned,
all conditions precedent described herein as provided for in the Indenture have been complied with.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">5. &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Resale Restriction Termination
Date for the Notes is the date of this Officer&rsquo;s Certificate. The Company is satisfied that the Notes are not subject to
the restrictions set forth in the Restricted Notes Legend and Section 2.07 of the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">In accordance with Section&nbsp;2.08 of
the Indenture, the Company hereby advises you as follows:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">1.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Restricted Notes Legend set forth
on the Notes shall be deemed removed from the Notes in accordance with the terms and conditions of the Notes and as provided in
the Indenture, without further action on the part of the Holders.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">2.&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The restricted CUSIP number for the
Notes shall be deemed removed from the Notes and replaced with an unrestricted CUSIP number, which unrestricted CUSIP number shall
be [74365A AB7], in accordance with the terms and conditions of the Notes and as provided in the Indenture, without further action
on the part of the Holders.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Capitalized terms used but not otherwise
defined herein shall have the meanings set forth in the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[<I>Signature page follows.</I>]</P>

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


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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">IN WITNESS WHEREOF, the undersigned signed this Officer&rsquo;s
Certificate as of the date written above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Protalix BioTherapeutics, Inc.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 6%">&nbsp;</TD>
    <TD STYLE="width: 44%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>By:</TD>
    <TD STYLE="border-bottom: windowtext 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Name:</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Title:</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF RESTRICTED STOCK LEGEND]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>THIS SECURITY HAS NOT BEEN REGISTERED UNDER
THE SECURITIES ACT OF 1933, AS AMENDED (THE &ldquo;SECURITIES ACT&rdquo;), AND ACCORDINGLY, PRIOR TO THE RESALE RESTRICTION TERMINATION
DATE (AS DEFINED BELOW), MAY NOT BE OFFERED, SOLD, PLEDGED OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE FOLLOWING SENTENCE.
BY ITS ACQUISITION HEREOF OR OF A BENEFICIAL INTEREST HEREIN, THE ACQUIRER:</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>(1) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;REPRESENTS THAT IT AND ANY ACCOUNT
FOR WHICH IT IS ACTING IS A &ldquo;QUALIFIED INSTITUTIONAL BUYER&rdquo; (WITHIN THE MEANING OF RULE 144A UNDER THE SECURITIES ACT)
AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT, AND</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>(2) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AGREES FOR THE BENEFIT OF THE COMPANY
THAT IT WILL NOT OFFER, SELL, PLEDGE OR OTHERWISE TRANSFER THIS SECURITY OR ANY BENEFICIAL INTEREST HEREIN PRIOR TO THE RESALE
RESTRICTION TERMINATION DATE (AS DEFINED BELOW), EXCEPT:</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(A) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TO PROTALIX BIOTHERAPEUTICS,
INC. (THE &ldquo;COMPANY&rdquo;) OR ANY SUBSIDIARY THEREOF, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(B) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PURSUANT TO A REGISTRATION
STATEMENT WHICH HAS BECOME EFFECTIVE UNDER THE SECURITIES ACT, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(C) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TO A QUALIFIED INSTITUTIONAL
BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(D) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PURSUANT TO AN EXEMPTION
FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT OR ANY OTHER AVAILABLE EXEMPTION FROM THE REGISTRATION REQUIREMENTS
OF THE SECURITIES ACT.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>THE &ldquo;RESALE RESTRICTION TERMINATION
DATE&rdquo; MEANS THE DATE: (A) THAT IS AT LEAST ONE YEAR AFTER THE LAST ORIGINAL ISSUANCE DATE OF THE COMPANY&rsquo;S 4.50% CONVERTIBLE
SENIOR NOTES DUE 2018; AND (B) ON WHICH THE COMPANY HAS INSTRUCTED THE TRUSTEE FOR THE COMPANY&rsquo;S 4.50% CONVERTIBLE SENIOR
NOTES DUE 2018 THAT THE RESTRICTIVE LEGEND WILL NO LONGER APPLY IN ACCORDANCE WITH THE PROCEDURES DESCRIBED IN THE INDENTURE.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>PRIOR TO THE REGISTRATION OF ANY TRANSFER IN ACCORDANCE WITH
(2)(D) ABOVE, THE COMPANY AND THE TRANSFER AGENT FOR THE COMMON STOCK RESERVE THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS,
CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER TO DETERMINE THAT THE PROPOSED TRANSFER IS BEING MADE IN
COMPLIANCE WITH THE SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. NO REPRESENTATION IS MADE AS TO THE AVAILABILITY OF ANY
EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.</B></P>

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


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



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<DOCUMENT>
<TYPE>EX-4.2
<SEQUENCE>3
<FILENAME>v355360_ex4-2.htm
<DESCRIPTION>EXHIBIT 4.2
<TEXT>
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<P STYLE="margin-top: 0; text-align: center; margin-bottom: 0">&nbsp;</P>

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FACE OF NOTE]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>NO AFFILIATE (AS DEFINED IN RULE 144 UNDER
THE SECURITIES ACT) OF THE COMPANY OR PERSON THAT HAS BEEN AN AFFILIATE (AS DEFINED IN RULE 144 UNDER THE SECURITIES ACT) OF THE
COMPANY DURING THE IMMEDIATELY PRECEDING THREE MONTHS MAY PURCHASE, OTHERWISE ACQUIRE OR HOLD THIS SECURITY OR A BENEFICIAL INTEREST
HEREIN.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>THIS SECURITY IS A GLOBAL NOTE WITHIN THE MEANING OF THE
INDENTURE HEREINAFTER REFERRED TO AND IS REGISTERED IN THE NAME OF A DEPOSITARY OR A NOMINEE THEREOF. THIS SECURITY MAY NOT BE
EXCHANGED IN WHOLE OR IN PART FOR A SECURITY REGISTERED, AND NO TRANSFER OF THIS SECURITY IN WHOLE OR IN PART MAY BE REGISTERED,
IN THE NAME OF ANY PERSON OTHER THAN SUCH DEPOSITARY OR A NOMINEE THEREOF, EXCEPT IN THE LIMITED CIRCUMSTANCES DESCRIBED IN THE
INDENTURE.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>THIS SECURITY AND THE COMMON STOCK, IF
ANY, ISSUABLE UPON CONVERSION OF THIS SECURITY HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED (THE &ldquo;SECURITIES
ACT&rdquo;), AND ACCORDINGLY, PRIOR TO THE RESALE RESTRICTION TERMINATION DATE (AS DEFINED BELOW), MAY NOT BE OFFERED, SOLD, PLEDGED
OR OTHERWISE TRANSFERRED EXCEPT IN ACCORDANCE WITH THE FOLLOWING SENTENCE. BY ITS ACQUISITION HEREOF OR OF A BENEFICIAL INTEREST
HEREIN, THE ACQUIRER:</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>(1) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;REPRESENTS
THAT IT AND ANY ACCOUNT FOR WHICH IT IS ACTING IS A &ldquo;QUALIFIED INSTITUTIONAL BUYER&rdquo; (WITHIN THE MEANING OF RULE 144A
UNDER THE SECURITIES ACT) AND THAT IT EXERCISES SOLE INVESTMENT DISCRETION WITH RESPECT TO EACH SUCH ACCOUNT, AND</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>(2) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;AGREES
FOR THE BENEFIT OF THE COMPANY THAT IT WILL NOT OFFER, SELL, PLEDGE OR OTHERWISE TRANSFER THIS SECURITY OR ANY BENEFICIAL INTEREST
HEREIN PRIOR TO THE RESALE RESTRICTION TERMINATION DATE (AS DEFINED BELOW), EXCEPT:</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(A) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TO
PROTALIX BIOTHERAPEUTICS, INC. (THE &ldquo;COMPANY&rdquo;) OR ANY SUBSIDIARY THEREOF, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(B) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PURSUANT
TO A REGISTRATION STATEMENT WHICH HAS BECOME EFFECTIVE UNDER THE SECURITIES ACT, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(C) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;TO
A QUALIFIED INSTITUTIONAL BUYER IN COMPLIANCE WITH RULE 144A UNDER THE SECURITIES ACT, OR</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in"><B>(D) &nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;PURSUANT
TO AN EXEMPTION FROM REGISTRATION PROVIDED BY RULE 144 UNDER THE SECURITIES ACT OR ANY OTHER AVAILABLE EXEMPTION FROM THE REGISTRATION
REQUIREMENTS OF THE SECURITIES ACT.</B></P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>THE &ldquo;RESALE RESTRICTION TERMINATION
DATE&rdquo; MEANS THE DATE: (A) THAT IS AT LEAST ONE YEAR AFTER THE LAST ORIGINAL ISSUANCE DATE OF THE NOTES; AND (B) ON WHICH
THE COMPANY HAS INSTRUCTED THE TRUSTEE THAT THIS LEGEND WILL NO LONGER APPLY IN ACCORDANCE WITH THE PROCEDURES DESCRIBED IN THE
INDENTURE.</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in"><B>PRIOR TO THE REGISTRATION OF ANY TRANSFER
IN ACCORDANCE WITH (2)(D) ABOVE, THE COMPANY AND THE TRUSTEE RESERVE THE RIGHT TO REQUIRE THE DELIVERY OF SUCH LEGAL OPINIONS,
CERTIFICATIONS OR OTHER EVIDENCE AS MAY REASONABLY BE REQUIRED IN ORDER FOR THE COMPANY TO DETERMINE THAT THE PROPOSED TRANSFER
IS BEING MADE IN COMPLIANCE WITH THE SECURITIES ACT AND APPLICABLE STATE SECURITIES LAWS. NO REPRESENTATION IS MADE AS TO THE AVAILABILITY
OF ANY EXEMPTION FROM THE REGISTRATION REQUIREMENTS OF THE SECURITIES ACT.</B></P>

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


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

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Protalix BioTherapeutics,
Inc.<BR>
4.50% Convertible Senior Notes due 2018</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 15%">No.:</TD>
    <TD STYLE="width: 85%">144A-1</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>CUSIP:</TD>
    <TD>74365A AA9; <I>provided</I> that, at such time as the Company provides the Free Transferability Certificate to the Trustee and the Registrar, this CUSIP number will be deemed removed and replaced with the CUSIP number 74365A AB7.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Principal</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-indent: 0in">Amount $</TD>
    <TD STYLE="text-indent: 0in">69,000,000.00, as revised by the Schedule of Increases and Decreases in the Global Note attached hereto.</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Protalix BioTherapeutics, Inc., a Florida
corporation (the &ldquo;<B>Company</B>&rdquo;), promises to pay to Cede &amp; Co<I>. </I>or registered assigns, the principal amount
of Sixty-Nine Million Dollars ($69,000,000.00), as revised by the Schedule of Increases and Decreases in the Global Note attached
hereto, on September&nbsp;15, 2018 (the &ldquo;<B>Maturity Date</B>&rdquo;).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Interest Payment Dates: March&nbsp;15 and
September&nbsp;15.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Regular Record Dates: March&nbsp;1 and September&nbsp;1.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Additional provisions of this Security are
set forth on the other side of this Note.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">IN WITNESS WHEREOF, Protalix BioTherapeutics,
Inc. has caused this instrument to be signed manually or by facsimile by one of its duly authorized Officers.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">Protalix BioTherapeutics, Inc.</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%">By:</TD>
    <TD STYLE="width: 45%; border-bottom: windowtext 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Name:</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Title:</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This is one of the Notes referred to in
the within-mentioned Indenture.</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">The Bank of New York Mellon Trust Company, N.A., as Trustee</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD COLSPAN="2">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 5%">By:</TD>
    <TD STYLE="width: 45%; border-bottom: Black 1pt solid">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD STYLE="text-align: center">Authorized Signatory</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">[REVERSE
OF NOTE]</P>

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

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">Protalix BioTherapeutics,
Inc.<BR>
4.50% Convertible Senior Notes due 2018</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Note is one of a duly authorized issue
of securities of the Company (herein called the &ldquo;<B>Notes</B>&rdquo;), issued under the Indenture dated as of September 18,
2013 by and between the Company and the Bank of New York Mellon Trust Company, N.A., herein called the &ldquo;<B>Trustee</B>,&rdquo;
and reference is hereby made to the Indenture for a statement of the respective rights, limitations of rights, duties and immunities
thereunder of the Company, the Trustee and the Holders of the Notes and of the terms upon which the Notes are, and are to be, authenticated
and delivered.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">This Note does not benefit from a sinking
fund. This Note shall be redeemable at the Company&rsquo;s option in accordance with Article 10 of the Indenture. This Note is
not subject to redemption at the option of the Company prior to September 19, 2016. On or after September 19, 2016, provided that
the Last Reported Sale Prices of the Common Stock exceeds a specified threshold during a period specified in Section&nbsp;10.01(a)
of the Indenture, the Company may redeem for cash all or portions of the Notes at a Redemption Price specified in Section&nbsp;10.02
of the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, upon the occurrence of a Fundamental Change, the Holder of this Note will have the right, at such Holder&rsquo;s
option, to require the Company to purchase this Note, or any portion of this Note such that the principal amount of this Note that
is not purchased equals $1,000 or an integral multiple of $1,000, on the Fundamental Change Purchase Date at a price equal to the
Fundamental Change Purchase Price for such Fundamental Change Purchase Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, the Holder hereof has the right, at any time prior to the Close of Business on the Business Day immediately preceding
the Maturity Date, to convert this Note or a portion of this Note such that the principal amount of this Note converted equals
$1,000 or an integral multiple of $1,000, into a number of shares of Common Stock determined in accordance with Article 4 of the
Indenture and subject to adjustment as set forth therein.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, the Company will make all payments in respect of the Fundamental Change Purchase Price for, the Redemption Price
for, and the principal amount of, this Note to the Holder that surrenders this Note to the Paying Agent to collect such payments
in respect of this Note. The Company will pay cash amounts in money of the U.S. that at the time of payment is legal tender for
payment of public and private debts.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Indenture permits, with certain exceptions
as therein provided, the amendment thereof and the modification of the rights and obligations of the Company and the rights of
the Holders of the Notes to be effected under the Indenture at any time by the Company and the Trustee with the consent of the
Holders of a majority in principal amount of the Notes at the time Outstanding. The Indenture also contains provisions permitting
the Holders of specified percentages in principal amount of the Notes at the time Outstanding, on behalf of the Holders of all
Notes, to waive compliance by the Company with certain provisions of the Indenture and certain past Defaults under the Indenture
and their consequences. Any such consent or waiver by the Holder of this Note shall be conclusive and binding upon such Holder
and upon all future Holders of this Note and of any Note issued upon the registration of transfer hereof or in exchange herefor
or in lieu hereof, whether or not notation of such consent or waiver is made upon this Note.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in and subject to the provisions
of the Indenture, the Holder of this Note shall not have the right to institute any proceeding with respect to the Indenture, or
for the appointment of a receiver or trustee, or for any other remedy thereunder, unless such Holder shall have previously given
the Trustee written notice of a continuing Event of Default with respect to the Note, the Holders of not less than 25% in principal
amount of the Notes at the time Outstanding shall have made written request to the Trustee to institute proceedings in respect
of such Event of Default as Trustee and offered the Trustee indemnity or security reasonably satisfactory to it, and the Trustee
shall have failed to institute any such proceeding, for 60 days after receipt of such notice, request and offer of indemnity, and
shall not have received from the Holders of a majority in principal amount of Notes at the time Outstanding a direction inconsistent
with such request. The foregoing shall not apply to any suit instituted by the Holder of this Note for the enforcement of any payment
of the principal hereof, premium, if any, or interest hereon, the Fundamental Change Purchase Price or the Redemption Price with
respect to, any Additional Amounts with respect to, and the amount of cash, the number of shares of Common Stock or the combination
thereof, as the case may be, due upon conversion of this Note or after the respective due dates expressed in the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">No reference herein to the Indenture and
no provision of this Note or of the Indenture shall alter or impair the obligation of the Company, which is absolute and unconditional,
to pay or deliver, as the case may be, the principal of (including the Fundamental Change Purchase Price and the Redemption Price),
premium, interest on, any Additional Amounts with respect to, and the amount of cash, a number of shares of Common Stock or a combination
of cash and shares of Common Stock, if any, as the case may be, due upon conversion of, this Note at the time, place and rate,
and in the coin and currency, herein prescribed.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">As provided in the Indenture and subject
to certain limitations therein set forth, the transfer of this Note is registrable in the Register, upon surrender of this Note
for registration of transfer to the Trustee, duly endorsed by, or accompanied by a written instrument of transfer in form satisfactory
to the Company and the Registrar duly executed by, the Holder hereof or its attorney duly authorized in writing, and thereupon
a new Note of this series and of like tenor for the same aggregate principal amount will be issued to the designated transferee.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">The Notes are issuable only in registered
form without coupons in denominations of $1,000 and integral multiples of $1,000. As provided in the Indenture and subject to certain
limitations therein set forth, the Notes are exchangeable for a like aggregate principal amount of Notes and of like tenor of a
different authorized denomination, as requested by the Holder surrendering the same.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Subject to the rights of the Holders as
of the Regular Record Date to receive interest on the related Interest Payment Date, prior to due presentment of this Note for
registration of transfer, the Company, the Trustee, the Agents and any of their respective agents may treat the Person in whose
name the Note is registered as the owner hereof for all purposes, whether or not this Note be overdue, and neither the Company,
the Trustee, the Agents nor any agents shall be affected by notice to the contrary.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Customary abbreviations may be used in the
name of a Holder or an assignee, such as TEN COM (= tenants in common), TEN ENT (= tenants by the entirety), JT TEN (= joint tenants
with rights of survivorship and not as tenants in common), CUST (= custodian) and U/G/M/A (= Uniform Gift to Minors Act).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">Upon the issuance of any new Note, the Company
may require payment by the Holder of a sum sufficient to cover any tax or other governmental charge that may be imposed in relation
thereto and any other expenses (including fees and expenses of the Trustee) connected therewith.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">All defined terms used in this Note that
are defined in the Indenture shall have the meanings assigned to them in the Indenture. If any provision of this Note limits, qualifies
or conflicts with a provision of the Indenture, such provision of the Indenture shall control.</P>

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


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0.5in">ATTACHMENT 1</P>

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

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF NOTICE OF CONVERSION]</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The undersigned owner of this Note hereby irrevocably exercises
the option to convert this Note, or a portion hereof (which is such that the principal amount of the portion of this Note that
will not be converted equals $1,000 or an integral multiple of $1,000 in excess thereof) below designated, into a number of shares
of Common Stock in accordance with the terms of the Indenture referred to in this Note, and directs that any cash payable and any
shares of Common Stock issuable and deliverable upon conversion, together with any Notes representing any unconverted principal
amount hereof, be paid and/or issued and/or delivered, as the case may be, to the registered Holder hereof unless a different name
is indicated below.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Subject to certain exceptions set forth in the Indenture, if
this notice is being delivered on a date after the Close of Business on a Regular Record Date and prior to the Open of Business
on the Interest Payment Date corresponding to such Regular Record Date, this notice must be accompanied by payment of an amount
equal to the interest payable on such Interest Payment Date on the principal amount of this Note to be converted. If any shares
of Common Stock are to be issued in the name of a Person other than the undersigned, the undersigned will pay all transfer taxes
payable with respect to such issuance and transfer as set forth in the Indenture.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Principal amount to be converted (if less than all):</P>

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">Signature(s)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Sign exactly as your name appears on the other side of this Note)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Signature Guarantee</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Signature(s) must be guaranteed by an institution which is a member of one of the following recognized signature Guarantee Programs:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(i) The Notes Transfer Agent Medallion Program (STAMP); (ii) The New York Stock Exchange Medallion Program (MNSP); (iii) another guarantee program acceptable to the Trustee.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Fill in if a check is to be issued, or shares of Common Stock
or Notes are to be registered, otherwise than to or in the name of the registered Holder.</P>

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

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

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Please print name and address<BR>
(including zip code)</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">(Social Security or other Taxpayer<BR>
Identifying Number)</P>

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

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">Signature(s)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Sign exactly as such Person&rsquo;s name appears above)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Signature Guarantee</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Signature(s) must be guaranteed by an institution which is a member of one of the following recognized signature Guarantee Programs:</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(i) The Notes Transfer Agent Medallion Program (STAMP); (ii) The New York Stock Exchange Medallion Program (MNSP); (iii) The Stock Exchange Medallion Program (SEMP) or (iv) another guarantee program acceptable to the Trustee.)</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0.5in">&nbsp;</P>


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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; text-indent: 0.5in">ATTACHMENT 2</P>

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

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF FUNDAMENTAL CHANGE
PURCHASE NOTICE]</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The undersigned registered owner of this Note hereby acknowledges
receipt of a Fundamental Change Company Notice from Protalix BioTherapeutics, Inc. (the &ldquo;<B>Company</B>&rdquo;) as to the
occurrence of a Fundamental Change with respect to the Company and specifying the Fundamental Change Purchase Date and requests
and instructs the Company to pay to the registered holder hereof in accordance with the applicable provisions of the Indenture
referred to in this Note (i)&nbsp;the entire principal amount of this Note, or the portion thereof (that is such that the portion
not to be purchased has a principal amount equal to $1,000 or an integral multiple of $1,000 in excess thereof) below designated,
and (ii)&nbsp;if such Fundamental Change Purchase Date does not occur during the period after a Regular Record Date and on or prior
to the Interest Payment Date corresponding to such Regular Record Date, accrued and unpaid interest, if any, thereon to, but excluding,
such Fundamental Change Purchase Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Principal amount to be purchased (if less than all):</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Certificate number (if Notes are in certificated form)</P>

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

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%">&nbsp;</TD>
    <TD STYLE="width: 50%">Signature(s)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>(Sign exactly as your name appears on the other side of this Note)</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>&nbsp;</TD>
    <TD>Social Security or Other Taxpayer Identification Number</TD></TR>
</TABLE>
<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>


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

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">ATTACHMENT 3</P>

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

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">[FORM OF ASSIGNMENT AND
TRANSFER]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">For value received, <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</U>hereby sell(s), assign(s) and transfer(s) unto <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</U>(Please insert social security or Taxpayer Identification Number of assignee) the within Note, and hereby irrevocably constitutes
and appoints <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</U>to transfer the said Note on the books of the Company, with full power of substitution in the premises.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">In connection with any transfer of the within Note occurring
prior to the Resale Restriction Termination Date, as defined in the Indenture governing such Note, the undersigned confirms that
such Note is being transferred:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To
Protalix BioTherapeutics, Inc. or a subsidiary thereof; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to a registration statement which has become effective under the Securities Act of 1933, as amended; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To
a qualified institutional buyer in compliance with Rule 144A under the Securities Act of 1933, as amended; or</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><FONT STYLE="font: 10pt Wingdings">&uml;</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant
to an exemption from registration provided by Rule 144 under the Securities Act of 1933, as amended, or any other available exemption
from the registration requirements of the Securities Act of 1933, as amended.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[TO BE SIGNED BY PURCHASER IF THE SECOND, THIRD OR FOURTH BOX
ABOVE IS CHECKED]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[<I>Include if the second, third or fourth box above is checked</I>]
[The undersigned (on the immediately following signature line) represents and warrants that it is not, and has not been for the
immediately preceding 90 days, an &ldquo;affiliate&rdquo; (as defined in Rule 144 under the Securities Act of 1933, as amended)
of Protalix BioTherapeutics, Inc.]</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">[<I>Include if the third box above is checked</I>] [The undersigned
(on the immediately following signature line) represents and warrants that it is purchasing this Note for its own account or an
account with respect to which it exercises sole investment discretion and that it and any such account is a &ldquo;qualified institutional
buyer&rdquo; within the meaning of Rule 144A under the Securities Act and is aware that the sale to it is being made in reliance
on Rule 144A and acknowledges that it has received such information regarding the Company as the undersigned has requested pursuant
to Rule 144A or has determined not to request such information and that it is aware that the transferor is relying upon the undersigned&rsquo;s
foregoing representations in order to claim the exemption from registration provided by Rule 144A.]</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%">[Date:</TD>
    <TD STYLE="width: 30%; border-bottom: windowtext 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 8%">&nbsp;</TD>
    <TD STYLE="width: 8%">Signed:</TD>
    <TD STYLE="width: 30%; border-bottom: windowtext 1pt solid; text-align: right">]</TD>
    <TD STYLE="width: 16%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt; margin-bottom: 12pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Unless one of the above boxes is checked, the Trustee will refuse
to register any of the Notes evidenced by this certificate in the name of any Person other than the registered Holder thereof;
<I>provided</I> that, if the fourth box is checked, the Company may require, prior to registering any such transfer of the Notes,
in its sole discretion, such legal opinions, certifications and other information as the Company may reasonably request to confirm
that such transfer is being made pursuant to an exemption from, or in a transaction not subject to, the registration requirements
of the Securities Act.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in">If none of the foregoing boxes is checked,
the Trustee or Registrar shall not be obligated to register this Note in the name of any Person other than the Holder hereof unless
and until the conditions to any such transfer of registration set forth herein and in Section 2.11 of the Indenture shall have
been satisfied.</P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 8%">Dated:</TD>
    <TD STYLE="width: 42%; border-bottom: windowtext 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="border-bottom: windowtext 1pt solid; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="border-bottom: windowtext 1pt solid; text-indent: 0in">&nbsp;</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD COLSPAN="2" STYLE="text-indent: 0in">Signature(s)</TD>
    <TD STYLE="text-indent: 0in">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">(Sign exactly as your name appears
on the other side of this Note)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; text-indent: -3in">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 50%; border-bottom: windowtext 1pt solid">&nbsp;</TD>
    <TD STYLE="width: 50%">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>Signature Guarantee</TD>
    <TD>&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD>(Signature(s) must be guaranteed by an institution which is a member of one of the following recognized signature Guarantee Programs:&nbsp;&nbsp;(i) The Notes Transfer Agent Medallion Program (STAMP); (ii) The New York Stock Exchange Medallion Program (MNSP); (iii) The Stock Exchange Medallion Program (SEMP) or (iv) another guarantee program acceptable to the Trustee)</TD>
    <TD>&nbsp;</TD></TR>
</TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;&nbsp;</P>

<P STYLE="font: small-caps bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right">ATTACHMENT 4</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SCHEDULE OF INCREASES AND DECREASES IN THE
GLOBAL NOTE<BR>
Initial Principal Amount of Global Note:</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="border-collapse: collapse; width: 100%; font: 10pt Times New Roman, Times, Serif">
<TR STYLE="vertical-align: bottom">
    <TD NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Date</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Amount&nbsp;of&nbsp;Increase<BR> in&nbsp;Principal<BR> Amount&nbsp;of&nbsp;Global<BR> Note</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Amount&nbsp;of<BR> Decrease&nbsp;in<BR> Principal&nbsp;Amount<BR> of&nbsp;Global&nbsp;Note</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Principal&nbsp;Amount<BR> of&nbsp;Global&nbsp;Note<BR> After&nbsp;Increase&nbsp;or<BR> Decrease</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD>
    <TD COLSPAN="2" NOWRAP STYLE="font-weight: bold; text-align: center; border-bottom: Black 1pt solid">Notation&nbsp;by<BR> Registrar,&nbsp;Note<BR> Custodian&nbsp;or<BR> authorized<BR> signatory&nbsp;of<BR> Trustee</TD><TD NOWRAP STYLE="font-weight: bold; padding-bottom: 1pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD STYLE="width: 20%; padding-left: 5.4pt"></TD><TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 17%; text-align: right"></TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 17%; text-align: right"></TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 17%; text-align: right"></TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 1%; text-align: left">&nbsp;</TD><TD STYLE="width: 17%; text-align: right"></TD><TD STYLE="width: 1%; text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right"></TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: rgb(204,255,204)">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right"></TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
<TR STYLE="vertical-align: bottom; background-color: White">
    <TD STYLE="padding-left: 5.4pt">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD><TD>&nbsp;</TD>
    <TD STYLE="text-align: left">&nbsp;</TD><TD STYLE="text-align: right">&nbsp;</TD><TD STYLE="text-align: left">&nbsp;</TD></TR>
</TABLE>

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<DOCUMENT>
<TYPE>EX-10.1
<SEQUENCE>4
<FILENAME>v355360_ex10-1.htm
<DESCRIPTION>EXHIBIT 10.1
<TEXT>
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<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent">Protalix
BioTherapeutics, Inc.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent">$60,000,000
4.50% Convertible Notes Due 2018</P>

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

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent">September
12, 2013</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Citigroup Global Markets Inc.<BR>
As Representatives of the Initial Purchasers<BR>
388 Greenwich Street<BR>
New York, New York 10013</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Ladies and Gentlemen:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">Protalix BioTherapeutics,
Inc., a corporation organized under the laws of Florida (the &ldquo;Company&rdquo;), proposes to issue and sell to the several
parties named in Schedule I hereto (the &ldquo;Initial Purchasers&rdquo;), for whom you (the &ldquo;Representatives&rdquo;) are
acting as representatives, U.S.$60,000,000 principal amount of its 4.50% Convertible Notes due 2018 (the &ldquo;Firm Securities&rdquo;).
The Company also proposes to grant to the Initial Purchasers an option to purchase up to U.S.$9,000,000 additional principal amount
of such Notes, if any (the &ldquo;Option Securities&rdquo; and, together with the Firm Securities, the &ldquo;Securities&rdquo;).
The Securities are convertible into shares of Common Stock, par value U.S.$0.001 per share (the &ldquo;Common Stock&rdquo;), of
the Company. The Securities are to be issued under an indenture (the &ldquo;Indenture&rdquo;), to be dated as of the Closing Date,
between the Company and The Bank of New York Mellon, as trustee (the &ldquo;Trustee&rdquo;). To the extent there are no additional
parties listed on Schedule I other than you, the term Representatives as used herein shall mean you as the Initial Purchasers,
and the terms Representatives and Initial Purchasers shall mean either the singular or plural as the context requires. The use
of the neuter in this Agreement shall include the feminine and masculine wherever appropriate. Certain terms used herein are defined
in Section 22 hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">The sale of
the Securities to the Initial Purchasers will be made without registration of the Securities or the Common Stock issuable upon
conversion thereof under the Act in reliance upon exemptions from the registration requirements of the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">In connection
with the sale of the Securities, the Company has prepared a preliminary offering memorandum, dated September 11, 2013 (as amended
or supplemented at the date thereof, including any and all exhibits thereto and any information incorporated by reference therein,
the &ldquo;Preliminary Memorandum&rdquo;), and a final offering memorandum, dated September 12, 2013 (as amended or supplemented
at the Execution Time, including any and all exhibits thereto and any information incorporated by reference therein, the &ldquo;Final
Memorandum&rdquo;). Each of the Preliminary Memorandum and the Final Memorandum sets forth certain information concerning the Company,
the Securities and the Common Stock issuable upon conversion thereof. The Company hereby confirms that it has authorized the use
of the Disclosure Package, the Preliminary Memorandum and the Final Memorandum, and any</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">amendment or supplement thereto,
in connection with the offer and sale of the Securities by the Initial Purchasers. Unless stated to the contrary, any references
herein to the terms &ldquo;amend&rdquo;, &ldquo;amendment&rdquo; or &ldquo;supplement&rdquo; with respect to the Final Memorandum
shall be deemed to refer to and include any information filed under the Exchange Act subsequent to the Execution Time that is incorporated
by reference therein.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">1.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Representations and Warranties</U>. The Company represents and warrants to, and agrees with, each Initial Purchaser
as set forth below in this Section 1.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(a)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Preliminary Memorandum, at the date thereof, did not contain any untrue statement of a material fact or omit to state
any material fact necessary to make the statements therein, in the light of the circumstances under which they were made, not misleading.
At the Execution Time, on the Closing Date and on any settlement date, the Final Memorandum did not and will not (and any amendment
or supplement thereto, at the date thereof, at the Closing Date and on any settlement date, will not) contain any untrue statement
of a material fact or omit to state any material fact necessary to make the statements therein, in the light of the circumstances
under which they were made, not misleading; <U>provided</U>, <U>however</U>, that the Company makes no representation or warranty
as to the information contained in or omitted from the Preliminary Memorandum or the Final Memorandum, or any amendment or supplement
thereto, in reliance upon and in conformity with information furnished in writing to the Company by or on behalf of the Initial
Purchasers through the Representatives specifically for inclusion therein, it being understood and agreed that the only such information
furnished by or on behalf of any Initial Purchaser consists of the information described as such in Section 8(b) hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Disclosure Package, as of the Execution Time, does not contain any untrue statement of a material fact or omit to state
any material fact necessary in order to make the statements therein, in the light of the circumstances under which they were made,
not misleading. The preceding sentence does not apply to statements in or omissions from the Disclosure Package based upon and
in conformity with written information furnished to the Company by any Initial Purchaser through the Representatives specifically
for use therein, it being understood and agreed that the only such information furnished by or on behalf of any Initial Purchaser
consists of the information described as such in Section 8(b) hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(c)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>None of the Company, its Affiliates or any person acting on its or their behalf has directly or indirectly, made offers
or sales of any security, or solicited offers to buy, any security under circumstances that would require the registration of the
Securities or the Common Stock issuable upon conversion thereof under the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(d)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>None of the Company, its Affiliates or any person acting on its or their behalf has: (i) engaged in any form of general
solicitation or general advertising (within the meaning of Regulation&nbsp;D) in connection with any offer or sale of the Securities
or (ii) engaged in any directed selling efforts (within the meaning of Regulation S) with respect to the Securities or the Common
Stock issuable upon conversion thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(e)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Securities satisfy the eligibility requirements of Rule 144A(d)(3) under the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(f)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT> No registration under the Act of the Securities or the Common Stock issuable upon conversion thereof is required for the
offer and sale of the Securities to or by the Initial Purchasers in the manner contemplated herein, in the Disclosure Package and
the Final Memorandum.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(g)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company is not, and after giving effect to the offering and sale of the Securities and the application of the proceeds
thereof as described in the Disclosure Package and the Final Memorandum will not be, an &ldquo;investment company&rdquo; as defined
in the Investment Company Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(h)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company is subject to and in full compliance with the reporting requirements of Section 13 or Section 15(d) of the Exchange
Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(i)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company has not paid or agreed to pay to any person any compensation for soliciting another to purchase any securities
of the Company (except as contemplated in this Agreement).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(j)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company has not taken, directly or indirectly, any action designed to or that has constituted or that might reasonably
be expected to cause or result, under the Exchange Act or otherwise, in stabilization or manipulation of the price of any security
of the Company to facilitate the sale or resale of the Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(k)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company has been duly incorporated and is validly existing as a corporation in good standing under the laws of the State
of Florida with full corporate power and authority to own or lease, as the case may be, and to operate its properties and conduct
its business as described in the Disclosure Package and the Final Memorandum, and is duly qualified to do business as a foreign
corporation and is in good standing under the laws of each jurisdiction that requires such qualification, except where the failure
to be so qualified would not have a material adverse effect on the condition (financial or otherwise), prospects, earnings, business
or properties of the Company and its subsidiaries, taken as a whole, whether or not arising from transactions in the ordinary course
of business (a &ldquo;Material Adverse Effect&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(l)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> Each subsidiary of the Company has been duly incorporated and is validly existing under the laws of its respective state
of incorporation or formation, is duly qualified to do business in each jurisdiction in which its ownership or lease of property
or the conduct of its businesses requires such qualification, and has all power and authority necessary to own or hold its properties
and to conduct the businesses in which it is engaged, except where the failure to be so qualified, individually or in the aggregate,
would not reasonably be expected to have a Material Adverse Effect. No proceeding has been instituted by the Israeli Registrar
of Companies in Israel for the dissolution of Protalix Ltd. Protalix B.V. has no material assets and no employees.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(m)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">
</FONT>All the outstanding shares of capital stock of each subsidiary have been duly authorized and validly issued and are fully
paid and nonassessable, and, except as otherwise set forth in the Disclosure Package and the Final Memorandum, all outstanding
shares of capital stock of the subsidiaries are owned by the Company either directly or through wholly owned subsidiaries free
and clear of any security interest, claim, lien or encumbrance.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(n)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT><FONT STYLE="color: black"> The authorized, issued and outstanding capital stock of the Company is as set forth in each
of the Disclosure Package and the Final Memorandum (other than for subsequent issuances, if any, pursuant to employee benefit plans
described in each of the Disclosure Package and the Final Memorandum or upon the exercise of outstanding options or warrants described
in each of the Disclosure Package and the Final Memorandum); the Common Stock conforms in all material respects to the description
thereof contained in each of the Disclosure Package and the Final Memorandum; all of the issued and outstanding shares of Common
Stock have been duly authorized and validly issued, are fully paid and nonassessable and have been issued in compliance with federal
and state securities laws; none of the outstanding shares of Common Stock was issued in violation of any preemptive rights, rights
of first refusal or other similar rights to subscribe for or purchase securities of the Company; there are no authorized or outstanding
options, warrants, preemptive rights, rights of first refusal or other rights to purchase, or equity or debt securities convertible
into or exchangeable or exercisable for, any capital stock of the Company or any of its subsidiaries other than those accurately
described in each of the Disclosure Package and the Final Memorandum; the description of the Company&rsquo;s stock option, stock
bonus and other stock plans or arrangements, and the options or other rights granted thereunder, set forth in each of the Disclosure
Package and the Final Memorandum accurately and fairly presents the information required to be shown with respect to such plans,
arrangements, options and rights; all grants of options to acquire shares of Common Stock (each, a &ldquo;Company Stock Option&rdquo;)
were validly issued and approved by the Board of Directors of the Company, a committee thereof or an individual with authority
duly delegated by the Board of Directors of the Company or a committee thereof; grants of Company Stock Options were (i) made in
material compliance with all applicable laws and (ii) as a whole, made in material compliance with the terms of the plans under
which such Company Stock Options were issued; there is no and has been no policy or practice of the Company to coordinate the grant
of Company Stock Options with the release or other public announcement of material information regarding the Company or its results
of operations or prospects; t</FONT>he shares of Common Stock initially issuable upon conversion of the Securities have been duly
authorized and, when issued upon conversion of the Securities against payment of the conversion price, will be validly issued,
fully paid and nonassessable; the Board of Directors of the Company has duly and validly adopted resolutions reserving such shares
of Common Stock for issuance upon conversion of the Securities; the holders of outstanding shares of capital stock of the Company
are not entitled to preemptive or other rights to subscribe for the Securities or the shares of Common Stock issuable upon conversion
thereof; and, except as described in the each of the <FONT STYLE="color: black">Disclosure Package and the Final Memorandum</FONT>,
the Company has not sold or issued any shares of Common Stock during the six-month period preceding the date of the Final Memorandum,
including any sales pursuant to Rule 144A under, or Regulations D or S of, the Act other than shares issued pursuant to employee
benefit plans, qualified stock options plans or other employee compensation plans or pursuant to outstanding options, rights or
warrants.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(o)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The statements in or incorporated by reference in the Preliminary Memorandum and the Final Memorandum under the headings
&ldquo;U.S. Federal Income Tax Consequences&rdquo;, &ldquo;Business-Acetylcholinesterase&rdquo;, &ldquo;Business-Commercialization
Agreement for taliglucerase alfa&rdquo;, &ldquo;Business-Strategic Collaborations&rdquo;, &ldquo;Business-Intellectual Property&rdquo;
&ldquo;Business-International Regulation&rdquo;, &ldquo;Business-Israeli Government Programs&rdquo;, &ldquo;Risk Factors-Risks
Related to Intellectual Property Matters-If we fail to adequately protect or enforce our</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">intellectual property rights
or secure rights to third party patents, the value of our intellectual property rights would diminish and our business, competitive
position and results of operations would suffer&rdquo;, &ldquo;Risk Factors-Risks Related to Intellectual Property Matters-If we
cannot meet requirements under our license agreements, we could lose the rights to our products, which could have a material adverse
effect on our business&rdquo;, and &ldquo;Risk Factors-Risks Relating to Our Operations in Israel,&rdquo; insofar as such statements
summarize legal matters, agreements, documents or proceedings discussed therein, are accurate and fair summaries in all material
respects of such legal matters, agreements, documents or proceedings.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(p)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>This Agreement has been duly authorized, executed and delivered by the Company; the Indenture has been duly authorized and,
assuming due authorization, execution and delivery thereof by the Trustee, when executed and delivered by the Company, will constitute
a legal, valid, binding instrument enforceable against the Company in accordance with its terms (subject, as to the enforcement
of remedies, to applicable bankruptcy, reorganization, insolvency, moratorium or other laws affecting creditors&rsquo; rights generally
from time to time in effect and to general principles of equity); and the Securities have been duly authorized, and, when executed
and authenticated in accordance with the provisions of the Indenture and delivered to and paid for by the Initial Purchasers, will
have been duly executed and delivered by the Company and will constitute the legal, valid and binding obligations of the Company
entitled to the benefits of the Indenture (subject, as to the enforcement of remedies, to applicable bankruptcy, reorganization,
insolvency, moratorium or other laws affecting creditors&rsquo; rights generally from time to time in effect and to general principles
of equity) and will be convertible into Common Stock in accordance with their terms.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(q)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>No consent, approval, authorization, filing with or order of any court or governmental agency or body is required in connection
with the transactions contemplated herein or in the Indenture, except such as may be required under the blue sky laws of any jurisdiction
in which the Securities are offered and sold.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(r)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>None of the execution and delivery of the Indenture or this Agreement, the issuance and sale of the Securities or the issuance
of the Common Stock upon conversion thereof, or the consummation of any other of the transactions herein or therein contemplated,
or the fulfillment of the terms hereof or thereof will conflict with, result in a breach or violation or imposition of any lien,
charge or encumbrance upon any property or assets of the Company or any of its subsidiaries pursuant to, (i) the charter or by-laws
or comparable constituting documents of the Company or any of its subsidiaries; (ii) the terms of any indenture, contract, lease,
mortgage, deed of trust, note agreement, loan agreement or other agreement, obligation, condition, covenant or instrument to which
the Company or any of its subsidiaries is a party or bound or to which its or their property is subject; or (iii) any statute,
law, rule, regulation, judgment, order or decree of any court, regulatory body, administrative agency, governmental body, arbitrator
or other authority having jurisdiction over the Company or any of its subsidiaries or any of its or their properties, except, in
the cases of clauses (ii) and (iii), as would not, singly or in the aggregate, have a Material Adverse Effect.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(s)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The consolidated historical financial statements and schedules of the Company and its consolidated subsidiaries included
or incorporated by<B> </B>reference in the</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Disclosure Package and the Final
Memorandum present fairly the financial condition, results of operations and cash flows of the Company as of the dates and for
the periods indicated, comply as to form with the applicable accounting requirements of Regulation S-X and have been prepared in
conformity with generally accepted accounting principles in the United States applied on a consistent basis throughout the periods
involved (except as otherwise noted therein); and the selected financial data set forth under the caption &ldquo;Selected Consolidated
Financial Data&rdquo; in the Preliminary Memorandum and the Final Memorandum fairly present, on the basis stated in the Preliminary
Memorandum and the Final Memorandum, the information included or incorporated by reference therein.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(t)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>No action, suit or proceeding by or before any court or governmental agency, authority or body or any arbitrator involving
the Company or any of its subsidiaries or its or their property is pending or, to the knowledge of the Company, threatened that
(i) could reasonably be expected to have a material adverse effect on the performance of this Agreement, the Indenture, or the
consummation of any of the transactions contemplated hereby or thereby or (ii) could reasonably be expected to have a Material
Adverse Effect, except as set forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive of any amendment
or supplement thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(u)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Each of the Company and its subsidiaries owns or leases all such properties as are reasonably necessary to the conduct of
its operations as presently conducted.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(v)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Neither the Company nor any of its subsidiaries is in violation or default of (i) any provision of its charter or bylaws
or comparable constituting documents; (ii) the terms of any indenture, contract, lease, mortgage, deed of trust, note agreement,
loan agreement or other agreement, obligation, condition, covenant or instrument to which it is a party or bound or to which its
property is subject; or (iii) any statute, law, rule, regulation, judgment, order or decree applicable to the Company or any of
its subsidiaries of any court, regulatory body, administrative agency, governmental body, arbitrator or other authority having
jurisdiction over the Company or such subsidiary or any of its properties, as applicable, except, in the cases of clauses (ii)
and (iii), as would not, singly or in the aggregate, have a Material Adverse Effect.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(w)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">
</FONT>Kesselman &amp; Kesselman, a member of PricewaterhouseCoopers International Limited, who have certified certain financial
statements of the Company and its consolidated subsidiaries and delivered their report with respect to the audited consolidated
financial statements and schedules included or incorporated by reference in the Disclosure Package and the Final Memorandum, is
an independent registered public accounting firm with respect to the Company within the meaning of the Act and the applicable published
rules and regulations thereunder, and under the rules of the Public Company Accounting Oversight Board.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(x)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>There are no stamp, or other issuance or transfer taxes or duties or other similar fees or charges required to be paid in
connection with the execution and delivery of this Agreement or the issuance, sale or resale of the Securities or upon the issuance
of Common Stock upon the conversion thereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(y)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company has filed all applicable tax returns that are required to be filed or has requested extensions thereof (except
in any case in which the failure so to file would not</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">have a Material Adverse Effect
and except as set forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive of any amendment or supplement
thereto)) and has paid all taxes required to be paid by it and any other assessment, fine or penalty levied against it, to the
extent that any of the foregoing is due and payable, except for any such assessment, fine or penalty that is currently being contested
in good faith or as would not have a Material Adverse Effect and except as set forth in or contemplated in the Disclosure Package
and the Final Memorandum (exclusive of any amendment or supplement thereto).</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(z)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>No labor problem or dispute with the employees of the Company or any of its subsidiaries exists or is threatened or imminent,
and the Company is not aware of any existing or imminent labor disturbance by the employees of any of its or its subsidiaries&rsquo;
principal suppliers, contractors or customers, except as would not have a Material Adverse Effect, and except as set forth in or
contemplated in the Disclosure Package and the Final Memorandum (exclusive of any amendment or supplement thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(aa)The Company
and each of its subsidiaries are insured by insurers of recognized financial responsibility against such losses and risks and in
such amounts as are prudent and customary in the businesses in which they are engaged; all policies of insurance and fidelity or
surety bonds insuring the Company or any of its subsidiaries or their respective businesses, assets, employees, officers and directors
are in full force and effect; the Company and its subsidiaries are in compliance with the terms of such policies and instruments;
there are no claims by the Company or any of its subsidiaries under any such policy or instrument as to which any insurance company
is denying liability or defending under a reservation of rights clause; neither the Company nor any of its subsidiaries has been
refused any insurance coverage sought or applied for; and neither the Company nor any of its subsidiaries has any reason to believe
that it will not be able to renew its existing insurance coverage as and when such coverage expires or to obtain similar coverage
from similar insurers as may be necessary to continue its business at a cost that would not have a Material Adverse Effect except
as set forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive of any amendment or supplement thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(bb)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>No subsidiary of the Company is currently prohibited, directly or indirectly, from paying any dividends to the Company,
from making any other distribution on such subsidiary&rsquo;s capital stock, from repaying to the Company any loans or advances
to such subsidiary from the Company or from transferring any of such subsidiary&rsquo;s property or assets to the Company or any
other subsidiary of the Company, except as described in or contemplated in the Disclosure Package and the Final Memorandum (exclusive
of any amendment or supplement thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(cc)The Company
and its subsidiaries possess and are in compliance in all material respects with the terms of all licenses, approvals, orders,
certificates, permits and other authorizations (collectively, &ldquo;Licenses&rdquo;) issued by all applicable authorities, including
without limitation, all such Licenses required by the U.S. Food and Drug Administration or any component thereof and/or by any
other U.S., state, local or foreign government or drug regulatory agency (collectively, the &ldquo;Regulatory Agencies&rdquo;),
necessary to conduct their respective businesses as described in the Disclosure Package and the Final Memorandum, and</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">neither the Company nor any such
subsidiary has received any notice of proceedings relating to the revocation or modification of, or non-compliance with, any such
License which, singly or in the aggregate, if the subject of an unfavorable decision, ruling or finding, would have a Material
Adverse Effect, except as set forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive of any amendment
or supplement thereto); and all such Licenses are in full force and effect.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(dd)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The preclinical tests and clinical trials that are described in, or the results of which are referred to in, the Disclosure
Package and the Final Memorandum were and, if still pending, are being conducted in all material respects in accordance with protocols
filed with the appropriate Regulatory Agencies for each such test or trial, as the case may be, and with standard medical and scientific
research procedures and all applicable statutes, directives, rules and regulations of the Regulatory Agencies, including, without
limitation, the Federal Food, Drug and Cosmetic Act and the rules and regulations promulgated thereunder; each description of such
tests and trials, and the results thereof, contained in the Disclosure Package and the Final Memorandum is accurate and complete
in all material respects and fairly presents the data about and derived from such tests and trials, and the Company has no knowledge
of any other studies or tests the results of which are inconsistent with, or otherwise call into question, the results described
or referred to in the Disclosure Package and the Final Memorandum; neither the Company nor its subsidiaries has received any notices
or other correspondence from any Regulatory Agency requiring the termination, suspension or modification of any clinical trials
that are described or referred to in the Disclosure Package and the Final Memorandum; and each of the Company and its subsidiaries
has operated and currently is in compliance in all material respects with all applicable rules and regulations of the Regulatory
Agencies.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(ee)The Company
and each of its subsidiaries: (i) are and have been in material compliance with applicable health care laws, including without
limitation, the Federal Food, Drug and Cosmetic Act (21 U.S.C. &sect; 301 et seq.), the Federal Anti-kickback Statute (42 U.S.C.
&sect; 1320a-7b(b)), Physician Payment Sunshine Act (42 U.S.C. &sect; 1320a-7h), the civil False Claims Act (31 U.S.C. &sect;&sect;
3729 et seq.), the administrative False Claims Law (42 U.S.C. &sect; 1320a-7b(a)), the Anti-Inducement Law (42 U.S.C. &sect; 1320a-7a(a)(5)),
the Health Insurance Portability and Accountability Act of 1996 (42 U.S.C. &sect; 1320d et seq.), as amended by the Health Information
Technology for Economic and Clinical Health Act of 2009, the exclusion laws, Social Security Act &sect; 1128 (42 U.S.C. &sect;
1320a-7), Medicare (Title XVIII of the Social Security Act), Medicaid (Title XIX of the Social Security Act), and the regulations
promulgated pursuant to such laws, and comparable state laws, and all other local, state, federal, national, supranational and
foreign laws, manual provisions, policies and administrative guidance relating to the regulation of the Company and its subsidiaries
(collectively, &ldquo;Health Care Laws&rdquo;); (ii)&nbsp;have not received notice of any ongoing claim, action, suit, proceeding,
hearing, enforcement, investigation, arbitration or other action from any Regulatory Agency or third party alleging that any product
operation or activity is in material violation of any Health Care Laws and has no knowledge that any such Regulatory Agency or
third party is considering any such claim, litigation, arbitration, action, suit, investigation or proceeding; and (iii)&nbsp;are
not a party to any corporate integrity agreement, deferred prosecution agreement, monitoring agreement, consent decree, settlement
order, or similar agreements, or has any reporting obligations pursuant to any such agreement, plan or correction or other remedial
measure entered into with any</P>

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Governmental Authority. Neither
the Company, its subsidiaries nor their officers, directors, employees, agents or contractors has been or is currently debarred,
suspended or excluded from participation in the Medicare and Medicaid programs or any other state or federal health care program.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(ff)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company and each of its subsidiaries maintain a system of internal accounting controls sufficient to provide reasonable
assurance that (i) transactions are executed in accordance with management&rsquo;s general or specific authorizations; (ii) transactions
are recorded as necessary to permit preparation of financial statements in conformity with generally accepted accounting principles
in the United States<B> </B>and to maintain asset accountability; (iii) access to assets is permitted only in accordance with management&rsquo;s
general or specific authorization; and (iv) the recorded accountability for assets is compared with the existing assets at reasonable
intervals and appropriate action is taken with respect to any differences. The Company and its subsidiaries&rsquo; internal controls
over financial reporting are effective and the Company and its subsidiaries are not aware of any material weakness in their internal
control over financial reporting.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(gg)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company and its subsidiaries maintain &ldquo;disclosure controls and procedures&rdquo; (as such term is defined in Rule
13a-15(e) under the Exchange Act); such disclosure controls and procedures are effective <FONT STYLE="color: black">to provide
reasonable assurance that information required to be disclosed in the Company&rsquo;s Exchange Act reports is recorded, processed,
summarized and reported within the time periods specified by the Commission, and that material information related to the Company
and its consolidated subsidiaries is made known to management, including the Company&rsquo;s Chief Executive Officer and Chief
Financial Officer, particularly during the period when the Company&rsquo;s periodic reports are being prepared to allow timely
decisions regarding required disclosure.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(hh)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company and its subsidiaries (i) are in compliance with any and all applicable foreign, federal, state and local laws
and regulations relating to the protection of human health and safety, the environment or hazardous or toxic substances or wastes,
pollutants or contaminants (&ldquo;Environmental Laws&rdquo;); (ii) have received and are in compliance with all permits, licenses
or other approvals required of them under applicable Environmental Laws to conduct their respective businesses; and (iii) have
not received notice of any actual or potential liability under any Environmental Law, except where such non-compliance with Environmental
Laws, failure to receive required permits, licenses or other approvals, or liability would not, individually or in the aggregate,
have a Material Adverse Effect, except as set forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive
of any amendment or supplement thereto). Except as set forth in the Disclosure Package and the Final Memorandum, neither the Company
nor any of its subsidiaries has been named as a &ldquo;potentially responsible party&rdquo; under the Comprehensive Environmental
Response, Compensation, and Liability Act of 1980, as amended.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(ii)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>In the ordinary course of its business, the Company periodically reviews the effect of Environmental Laws on the business,
operations and properties of the Company and its subsidiaries, in the course of which it identifies and evaluates associated costs
and liabilities (including, without limitation, any capital or operating expenditures required for clean-up,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">closure of properties or compliance
with Environmental Laws, or any permit, license or approval, any related constraints on operating activities and any potential
liabilities to third parties); on the basis of such review, the Company has reasonably concluded that such associated costs and
liabilities would not, singly or in the aggregate, have a Material Adverse Effect, except as set forth in or contemplated in the
Disclosure Package and the Final Memorandum (exclusive of any amendment or supplement thereto).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(jj)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>None of the following events has occurred or exists: (i) a failure to fulfill the obligations, if any, under the minimum
funding standards of Section 302 of the United States Employee Retirement Income Security Act of 1974, as amended (&ldquo;ERISA&rdquo;),
and the regulations and published interpretations thereunder with respect to a Plan, determined without regard to any waiver of
such obligations or extension of any amortization period; (ii) an audit or investigation by the Internal Revenue Service, the U.S.
Department of Labor, the Pension Benefit Guaranty Corporation or any other federal or state governmental agency or any foreign
regulatory agency with respect to the employment or compensation of employees by any of the Company or any of its subsidiaries
that could have a Material Adverse Effect except as set forth in or contemplated in the Disclosure Package and the Final Memorandum
(exclusive of any supplement thereto); (iii) any breach of any contractual obligation, or any violation of law or applicable qualification
standards, with respect to the employment or compensation of employees by the Company or any of its subsidiaries that could have
a Material Adverse Effect, except as set forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive
of any supplement thereto). None of the following events has occurred or is reasonably likely to occur: (i) a material increase
in the aggregate amount of contributions required to be made to all Plans in the current fiscal year of the Company and its subsidiaries
compared to the amount of such contributions made in the most recently completed fiscal year of the Company and its subsidiaries;
(ii) a material increase in the &ldquo;accumulated post-retirement benefit obligations&rdquo; (within the meaning of Statement
of Financial Accounting Standards 106) of the Company and its subsidiaries compared to the amount of such obligations in the most
recently completed fiscal year of the Company and its subsidiaries; (iii) any event or condition giving rise to a liability under
Title IV of ERISA that could have a Material Adverse Effect, except as set forth in or contemplated in the Disclosure Package and
the Final Memorandum (exclusive of any supplement thereto); or (iv) the filing of a claim by one or more employees or former employees
of the Company or any of its subsidiaries related to their employment that could have a Material Adverse Effect, except as set
forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive of any supplement thereto). For purposes
of this paragraph, the term &ldquo;Plan&rdquo; means a plan (within the meaning of Section&nbsp;3(3) of ERISA) subject to Title
IV of ERISA with respect to which the Company or any of its subsidiaries may have any liability.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(kk)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The subsidiaries listed on Annex A attached hereto are the only &ldquo;significant subsidiaries&rdquo; of the Company (as
defined in Rule 1-02 of Regulation S-X).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(ll)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>None of the Company, its subsidiaries or, to the knowledge of the Company, any director, officer, agent, employee or Affiliate
of the Company or any of its subsidiaries <FONT STYLE="color: black">is aware of or has taken any action, directly or indirectly,
that would result in a violation by such persons of the </FONT>Foreign Corrupt Practices Act of 1977, as amended, and the rules
and regulations thereunder (<FONT STYLE="color: black">the &ldquo;FCPA&rdquo;), including, without limitation, making use of the</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">mails or any means or instrumentality
of interstate commerce corruptly in furtherance of an offer, payment, promise to pay or authorization of the payment of any money,
or other property, gift, promise to give, or authorization of the giving of anything of value to any &ldquo;foreign official&rdquo;
(as such term is defined in the FCPA) or any foreign political party or official thereof or any candidate for foreign political
office, in contravention of the FCPA; and the Company, its subsidiaries and, to the knowledge of the Company, its Affiliates have
conducted their businesses in compliance with the FCPA and have instituted and maintain policies and procedures designed to ensure,
and which are reasonably expected to continue to ensure, continued compliance therewith.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(mm)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The operations of the Company and its subsidiaries are and have been conducted at all times in compliance with applicable
financial recordkeeping and reporting requirements and money laundering statutes and the rules and regulations thereunder and any
related or similar rules, regulations or guidelines, issued, administered or enforced by any governmental agency (collectively,
the &ldquo;Money Laundering Laws&rdquo;) and no action, suit or proceeding by or before any court or governmental agency, authority
or body or any arbitrator involving the Company or any of its subsidiaries with respect to the Money Laundering Laws is pending
or, to the knowledge of the Company, threatened.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(nn)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>None of the Company, any of its subsidiaries or, to the knowledge of the Company, any director, officer, agent, employee
or Affiliate of the Company or any of its subsidiaries is currently subject to any sanctions administered by the Office of Foreign
Assets Control of the U.S. Department of the Treasury (&ldquo;OFAC&rdquo;); and the Company will not directly or indirectly use
the proceeds of the offering of the Securities hereunder, or lend, contribute or otherwise make available such proceeds to any
subsidiary, joint venture partner or other person or entity, for the purpose of financing the activities of any person currently
subject to any U.S. sanctions administered by OFAC.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(oo)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><FONT STYLE="color: black">There is and has been no failure on the part of the Company and any of the Company&rsquo;s directors
or officers, in their capacities as such, to comply with any provision of the Sarbanes-Oxley Act of 2002 and the rules and regulations
promulgated in connection therewith (the &ldquo;Sarbanes-Oxley Act&rdquo;), including Section 402 related to loans and Sections
302 and 906 related to certifications.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(pp)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company and its subsidiaries own, possess, license or have other rights to use, on reasonable terms, all patents, patent
applications, trade and service marks, trade and service mark registrations, trade names, copyrights, licenses, inventions, trade
secrets, technology, know-how and other intellectual property (collectively, the &ldquo;Intellectual Property&rdquo;) necessary
for the conduct of the Company&rsquo;s business as now conducted and as proposed in the Final Memorandum to be conducted. Except
as set forth or incorporated by reference in the Preliminary Memorandum and the Final Memorandum, or otherwise would not, singly
or in the aggregate, have a Material Adverse Effect: (a)&nbsp; there are no rights of third parties to any such Intellectual Property;
(b)&nbsp;to the Company&rsquo;s knowledge, there is no material infringement by third parties of any such Intellectual Property;
(c)&nbsp;there is no pending or, to the Company&rsquo;s knowledge, threatened action, suit, proceeding or claim by others challenging
the Company&rsquo;s rights in or to any such Intellectual Property, and the Company is unaware of any facts which</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">would form a reasonable basis
for any such claim; (d) there is no pending or, to the Company&rsquo;s knowledge, threatened action, suit, proceeding or claim
by others challenging the validity or scope of any such Intellectual Property, and the Company is unaware of any facts which would
form a reasonable basis for any such claim; (e) there is no pending or, to the Company&rsquo;s knowledge, threatened action, suit,
proceeding or claim by others that the Company infringes or otherwise violates any patent, trademark, copyright, trade secret or
other proprietary rights of others, and the Company is unaware of any other fact which would form a reasonable basis for any such
claim; (f) there is no U.S. patent or published U.S. patent application which contains claims that dominate or may dominate any
Intellectual Property described in the Disclosure Package and the Final Memorandum as being owned by or licensed to the Company
or that interferes with the issued or pending claims of any such Intellectual Property; and (g)&nbsp;there is no prior art of which
the Company is aware that may render any U.S. patent held by the Company invalid or any U.S. patent application held by the Company
unpatentable which has not been disclosed to the U.S. Patent and Trademark Office.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(qq)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Prior to the date hereof, the Company has furnished to the Representatives letters, each substantially in the form of Exhibit
A hereto, duly executed by each current officer and director of the Company and addressed to the Representatives.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0in; background-color: transparent">Any certificate
signed by any officer of the Company and delivered to the Representatives or counsel for the Initial Purchasers in connection with
the offering of the Securities shall be deemed a representation and warranty by the Company, as to matters covered thereby, to
each Initial Purchaser.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">2.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Purchase and Sale</U>. (a) Subject to the terms and conditions and in reliance upon the representations and warranties
herein set forth, the Company agrees to sell to each Initial Purchaser, and each Initial Purchaser agrees, severally and not jointly,
to purchase from the Company, at a purchase price of 97.00% of the principal amount thereof, plus accrued interest, if any, from
September 18, 2013 to the Closing Date, the principal amount of Firm Securities set forth opposite such Initial Purchaser&rsquo;s
name in Schedule I hereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Subject to the terms and conditions and in reliance upon the representations and warranties herein set forth, the Company
hereby grants an option to the several Initial Purchasers to purchase, severally and not jointly, the Option Securities at the
same purchase price as Initial Purchasers shall pay for the Firm Securities, plus accrued interest, if any, from September 18,
2013 to the settlement date for the Option Securities. The option may be exercised in whole or in part at any time or from time
to time on or before the 30th day after the date of the Final Memorandum upon written or telegraphic notice by the Representatives
to the Company setting forth the principal amount of Option Securities as to which the several Initial Purchasers are exercising
the option and the settlement date. <B> </B>Delivery of the Option Securities, and payment therefor, shall be made as provided
in Section 3 hereof. The principal amount of Option Securities to be purchased by each Initial Purchaser shall be the same percentage
of the total principal amount of Option Securities to be purchased by the several Initial Purchasers as such Initial Purchaser
is purchasing of the Firm Securities, subject to such adjustments as you in your absolute discretion shall make to eliminate any
fractional Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">3.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U> Delivery and Payment</U>. (a) Delivery of and payment for the Firm Securities and the Option Securities (if the
option provided for in Section 2(b) hereof shall have been exercised on or before the first Business Day immediately preceding
the Closing Date) shall be made at 10:00 A.M., New York City<B> </B>time, on September 18, 2013, or at such time on such later
date not more than three Business Days after the foregoing date as the Representatives shall designate, which date and time may
be postponed by agreement between the Representatives and the Company or as provided in Section 9 hereof (such date and time of
delivery and payment for the Securities being herein called the &ldquo;Closing Date&rdquo;). Delivery of the Securities shall be
made to the Representatives for the respective accounts of the several Initial Purchasers against payment by the several Initial
Purchasers through the Representatives of the purchase price thereof to or upon the order of the Company by wire transfer payable
in same-day funds to the account specified by the Company. Delivery of the Securities shall be made through the facilities of The
Depository Trust Company unless the Representatives shall otherwise instruct.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>If the option provided for in Section 2(b) hereof is exercised after the first Business Day immediately preceding the Closing
Date, the Company will deliver the Option Securities (at the expense of the Company) to the Representatives on the date specified
by the Representatives (which shall be within three Business Days after exercise of said option) for the respective accounts of
the several Initial Purchasers, against payment by the several Initial Purchasers through the Representatives of the purchase price
thereof to or upon the order of the Company by wire transfer payable in same-day funds to the account specified by the Company.
If settlement for the Option Securities occurs after the Closing Date, the Company will deliver to the Representatives on the settlement
date for the Option Securities, and the obligation of the Initial Purchasers to purchase the Option Securities shall be conditioned
upon receipt of, supplemental opinions, certificates and letters confirming as of such date the opinions, certificates and letters
delivered on the Closing Date pursuant to Section 6 hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">4.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Offering by Initial Purchasers</U>. (a) Each Initial Purchaser acknowledges that the Securities and the Common
Stock issuable upon conversion thereof have not been and will not be registered under the Act and may not be offered or sold except
pursuant to an exemption from, or in a transaction not subject to, the registration requirements of the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Each Initial Purchaser, severally and not jointly, represents and warrants to and agrees with the Company that</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">(i)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>it has not offered or sold, and will not offer or sell, any Securities within the United States, as part of their distribution
at any time,<B> </B>except to those it reasonably believes to be &ldquo;qualified institutional buyers&rdquo; (as defined in Rule&nbsp;144A
under the Act) and in connection with each such sale, it has taken or will take reasonable steps to ensure that the purchaser of
such Securities is aware that such sale may be made in reliance on Rule 144A;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">(ii)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>neither it nor any person acting on its behalf has made or will make offers or sales of the Securities by means of any form
of general solicitation or general advertising (within the meaning of Section&nbsp;502(c) of Regulation D); and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">(iii)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> it is an &ldquo;accredited investor&rdquo; (as defined in Rule 501(a) of Regulation&nbsp;D).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">5.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Agreements</U>. The Company agrees with each Initial Purchaser that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(a)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Company will furnish to each Initial Purchaser and to counsel for the Initial Purchasers, without charge, during the
period referred to in Section 5(c) below, as many copies of the materials contained in the Disclosure Package and the Final Memorandum
and any amendments and supplements thereto as they may reasonably request.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company will not amend or supplement the Disclosure Package or the Final Memorandum, other than by filing documents
under the Exchange Act that are incorporated by reference therein, without the prior written consent of the Representatives; <U>provided</U>,
<U>however</U>, that prior to the completion of the distribution of the Securities by the Initial Purchasers (as determined by
the Initial Purchasers), the Company will not file any document under the Exchange Act that is incorporated by reference in the
Disclosure Package or the Final Memorandum unless, prior to such proposed filing, the Company has furnished the Representatives
with a copy of such document for their review and the Representatives have not reasonably objected to the filing of such document.
The Company will promptly advise the Representatives when any document filed under the Exchange Act that is incorporated by reference
in the Disclosure Package or the Final Memorandum shall have been filed with the Commission.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(c)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>If at any time prior to the completion of the sale of the Securities by the Initial Purchasers (as determined by the Representatives),
any event occurs as a result of which the Disclosure Package or the Final Memorandum, as then amended or supplemented, would include
any untrue statement of a material fact or omit to state any material fact necessary to make the statements therein, in the light
of the circumstances under which they were made or the circumstances then prevailing, not misleading, or if it should be necessary
to amend or supplement the Disclosure Package or the Final Memorandum to comply with applicable law, the Company will promptly
(i) notify the Representatives of any such event; (ii) subject to the requirements of Section 5(b), prepare an amendment or supplement
that will correct such statement or omission or effect such compliance; and (iii) supply any supplemented or amended Disclosure
Package or Final Memorandum to the several Initial Purchasers and counsel for the Initial Purchasers without charge in such quantities
as they may reasonably request.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(d)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Without the prior written consent of the Representatives, the Company has not given and will not give to any prospective
purchaser of the Securities any written information concerning the offering of the Securities other than materials contained in
the Disclosure Package, the Final Memorandum or any other offering materials prepared by or with the prior written consent of the
Representatives.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(e)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Company will arrange, if necessary, for the qualification of the Securities for sale by the Initial Purchasers under
the laws of such jurisdictions as the Representatives may designate and will maintain such qualifications in effect so long as
required for the sale of the Securities; <U>provided</U> that in no event shall the Company be obligated to qualify to do business
in any jurisdiction where it is not now so qualified or to take any action that would subject it to</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">service of process in suits,
other than those arising out of the offering or sale of the Securities, in any jurisdiction where it is not now so subject. The
Company will promptly advise the Representatives of the receipt by the Company of any notification with respect to the suspension
of the qualification of the Securities for sale in any jurisdiction or the initiation or threatening of any proceeding for such
purpose.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(f)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Company will not, and will not permit any of its Affiliates to, resell any Securities or Shares of Common Stock issued
upon conversion thereof that have been acquired by any of them.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(g)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>None of the Company, its Affiliates or any person acting on its or their behalf will, directly or indirectly, make offers
or sales of any security, or solicit offers to buy any security, under circumstances that would require the registration of the
Securities or Common Stock issuable upon conversion thereof under the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(h)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Any information provided by the Company, its Affiliates or any person acting on its or their behalf to publishers of publicly
available databases about the terms of the Securities shall include a statement that the Securities have not been registered under
the Act and are subject to restrictions under Rule 144A under the Act;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(i)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>None of the Company, its Affiliates or any person acting on its or their behalf will engage in any form of general solicitation
or general advertising (within the meaning of Regulation D) in connection with any offer or sale of the Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(j)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>For so long as any of the Securities or the Common Stock issuable upon the conversion thereof are &ldquo;restricted securities&rdquo;
within the meaning of Rule 144(a)(3) under the Act, the Company will, during any period in which it is not subject to and in compliance
with Section 13 or 15(d) of the Exchange Act or it is not exempt from such reporting requirements pursuant to and in compliance
with Rule 12g3-2(b) under the Exchange Act,<B> </B>provide to each holder of such restricted securities and to each prospective
purchaser (as designated by such holder) of such restricted securities, upon the request of such holder or prospective purchaser,
any information required to be provided by Rule 144A(d)(4) under the Act. This covenant is intended to be for the benefit of the
holders, and the prospective purchasers designated by such holders, from time to time of such restricted securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(k)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>None of the Company, its Affiliates or any person acting on its or their behalf will engage in any directed selling efforts
(as defined under Regulation S) with respect to the Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(l)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company will cooperate with the Representatives and use its best efforts to permit the Securities to be eligible for
clearance and settlement through The Depository Trust Company and any other relevant clearing system.<B> </B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(m)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">
</FONT>The Company will reserve and keep available at all times, free of pre-emptive rights, the full number of shares of Common
Stock issuable upon conversion of the Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(n)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT> Each of the Securities and the shares of Common Stock issuable upon conversion thereof will bear, to the extent applicable,
the legend contained in &ldquo;Transfer Restrictions&rdquo; in the Preliminary Memorandum and the Final Offering Memorandum for
the time period and upon the other terms stated therein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(o)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company will not for a period of 90 days following the Execution Time, without the prior written consent of Citigroup,
directly or indirectly, offer, sell, contract to sell, pledge, otherwise dispose of, enter into any transaction which is designed
to, or might reasonably be expected to, result in the disposition (whether by actual disposition or effective economic disposition
due to cash settlement or otherwise) by the Company or any Affiliate of the Company or any person in privity with the Company or
any Affiliate of the Company of, file (or participate in the filing of) a registration statement with the Commission in respect
of, or establish or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning of
Section 16 of the Exchange Act in respect of, any shares of capital stock of the Company or any securities convertible into, or
exercisable or exchangeable for, shares of capital stock of the Company (other than the Securities), or publicly announce an intention
to effect any such transaction; <U>provided</U>, <U>however</U>, that the Company may (i) issue and sell Common Stock or securities
convertible into or exchangeable for Common Stock pursuant to any employee stock option plan, stock ownership plan or dividend
reinvestment plan of the Company described in the Disclosure Package and the Final Memorandum and in effect at the Execution Time,
(ii) may issue Common Stock issuable upon the conversion of securities or the exercise of warrants outstanding at the Execution
Time and described in the Disclosure Package and the Final Memorandum or (iii) enter into (or seek to enter into) a strategic transaction,
whether structured as a merger, sale of the Company or of all or substantially all of its assets.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(p)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company will not take, directly or indirectly, any action designed to or that has constituted, or that might reasonably
be expected to cause or result, under the Exchange Act or otherwise, in stabilization or manipulation of the price of any security
of the Company to facilitate the sale or resale of the Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(q)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Between the date hereof and the Closing Date, the Company will not do or authorize any act or thing that would result in
an adjustment of the conversion price of the Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(r)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company will, for a period of twelve months following the Execution Time, furnish to the Representatives (i) all reports
or other communications (financial or other) generally made available to stockholders, and deliver such reports and communications
to the Representatives as soon as they are available, unless such documents are furnished to or filed with the Commission or any
securities exchange on which any class of securities of the Company is listed and generally made available to the public and (ii)
such additional information concerning the business and financial condition of the Company as the Representatives may from time
to time reasonably request (such statements to be on a consolidated basis to the extent the accounts of the Company and its subsidiaries
are consolidated in reports furnished to stockholders).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(s)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Company will comply with all applicable securities and other laws, rules and regulations, including, without limitation,
the Sarbanes-Oxley Act, and use its best efforts to</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">cause the Company&rsquo;s directors
and officers, in their capacities as such, to comply with such laws, rules and regulations, including, without limitation, the
provisions of the Sarbanes-Oxley Act.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(t)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company will prepare a final term sheet, containing solely a description of the Securities and the offering thereof,
in the form approved by you and attached as Schedule&nbsp;II hereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(u)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company agrees to pay the costs and expenses relating to the following matters: (i) the preparation of the Indenture,
the issuance of the Securities, the fees of the Trustee and the issuance of the Common Stock upon conversion of the Securities;
(ii) the preparation, printing or reproduction of the materials contained in the Disclosure Package and the Final Memorandum and
each amendment or supplement to either of them; (iii) the printing (or reproduction) and delivery (including postage, air freight
charges and charges for counting and packaging) of such copies of the materials contained in the Disclosure Package and the Final
Memorandum, and all amendments or supplements to either of them, as may, in each case, be reasonably requested for use in connection
with the offering and sale of the Securities; (iv) the preparation, printing, authentication, issuance and delivery of the Securities;
(v) any stamp, transfer or similar taxes in connection with the original issuance, sale or resale of the Securities; (vi) the printing
(or reproduction) and delivery of this Agreement, any blue sky memorandum and all other agreements or documents printed (or reproduced)
and delivered in connection with the offering of the Securities; (vii) any registration or qualification of the Securities for
offer and sale under the securities or blue sky laws of the several states and any other jurisdictions specified pursuant to Section
5(e) (including filing fees and the reasonable fees and expenses of counsel for the Initial Purchasers relating to such registration
and qualification); (viii) the transportation and other expenses incurred by or on behalf of Company representatives in connection
with presentations to prospective purchasers of the Securities; (ix) the fees and expenses of the Company&rsquo;s accountants and
the fees and expenses of counsel (including local and special counsel) for the Company; and (x) all other costs and expenses incident
to the performance by the Company of its obligations hereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">6.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Conditions to the Obligations of the Initial Purchasers</U>. The obligations of the Initial Purchasers to purchase
the Firm Securities and the Option Securities, as the case may be, shall be subject to the accuracy of the representations and
warranties of the Company contained herein at the Execution Time, the Closing Date and any settlement date pursuant to Section
3 hereof, to the accuracy of the statements of the Company made in any certificates pursuant to the provisions hereof, to the performance
by the Company of its obligations hereunder and to the following additional conditions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(a)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Company shall have requested and caused Morrison &amp; Foerster LLP, counsel for the Company, to furnish to the Representative
its opinion, dated the Closing Date and addressed to the Representative, substantially in the form of Exhibit&nbsp;B-1, as well
as a Rule 10b-5 letter, substantially in the form of Exhibit B-2. In rendering such opinion, such counsel may rely (A) as to matters
involving the application of laws of any jurisdiction other than the State of Florida, the State of New York or the federal laws
of the United States, to the extent they deem proper and specified in such opinion, upon the opinion of other counsel of good standing
whom they believe to be reliable and who are satisfactory to counsel for the Initial Purchasers and (B)</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">as to matters of fact, to the
extent they deem proper, on certificates of responsible officers of the Company and public officials. References to the Disclosure
Package, the Preliminary Memorandum and the Final Memorandum in this Section 6(a), Exhibit B-1, Exhibit B-2, and Exhibit B-3 include
any amendment or supplement thereto at the Closing Date.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company shall have requested and caused Morrison &amp; Foerster LLP, special intellectual property counsel for the Company,
to have furnished to the Representative their opinion, dated the Closing Date and addressed to the Representative, substantially
in the form of Exhibit&nbsp;B-3.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(c)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>The Representatives shall have received from Latham &amp; Watkins LLP, counsel for the Initial Purchasers, such opinion
or opinions, dated the Closing Date and addressed to the Representatives, with respect to the issuance and sale of the Securities,
the Indenture, the Disclosure Package, the Final Memorandum (as amended or supplemented at the Closing Date) and other related
matters as the Representatives may reasonably require, and the Company shall have furnished to such counsel such documents as they
request for the purpose of enabling them to pass upon such matters.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(d)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company shall have furnished to the Representatives a certificate of the Company, signed by (x) the Chief Executive
Officer and (y) the principal financial or accounting officer of the Company, dated the Closing Date, to the effect that the signers
of such certificate have carefully examined the Disclosure Package and the Final Memorandum and any amendments or supplements thereto,
and this Agreement and that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">(i)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>the representations and warranties of the Company in this Agreement are true and correct on and as of the Closing Date with
the same effect as if made on the Closing Date, and the Company has complied with all the agreements and satisfied all the conditions
on its part to be performed or satisfied hereunder at or prior to the Closing Date; and</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">(ii)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>since the date of the most recent financial statements included or incorporated by reference in the Disclosure Package and
the Final Memorandum (exclusive of any amendment or supplement thereto), there has been no material adverse change in the condition
(financial or otherwise), prospects, earnings, business or properties of the Company and its subsidiaries, taken as a whole, whether
or not arising from transactions in the ordinary course of business, except as set forth in or contemplated in the Disclosure Package
and the Final Memorandum (exclusive of any amendment or supplement thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(e)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>At the Execution Time and at the Closing Date, the Company shall have requested and caused Kesselman &amp; Kesselman, a
member of PricewaterhouseCoopers International Limited, to furnish to the Representatives letters, dated respectively as of the
Execution Time and as of the Closing Date, in form and substance satisfactory to the Representatives and confirming that they are
independent accountants within the meaning of the Exchange Act and the applicable published rules and regulations thereunder and
stating in effect that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">(i)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> in their opinion, the audited financial statements and financial statement schedules included or incorporated by reference
in the Preliminary Memorandum and the Final Memorandum and reported on by them comply as to form with the applicable accounting
requirements of the Act and the Exchange Act and the related rules and regulations adopted by the Commission;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">(ii)&#9;they
have performed certain other specified procedures as a result of which they determined that certain information of an accounting,
financial or statistical nature (which is limited to accounting, financial or statistical information derived from the general
accounting records of the Company and its subsidiaries) set forth in the Preliminary Memorandum and the Final Memorandum, including
the information set forth under the captions &ldquo;The Offering,&rdquo; &ldquo;Summary Consolidated Financial Data,&rdquo; &ldquo;Risk
Factors,&rdquo; and &ldquo;Capitalization&rdquo; in the Preliminary Memorandum and the Final Memorandum, the information incorporated
by reference in Items 1, 2, 6, 7 and 11 of the Company&rsquo;s Annual Report on Form 10-K, incorporated by reference in the Preliminary
Memorandum and the Final Memorandum, agrees with the accounting records of the Company and its subsidiaries, excluding any questions
of legal interpretation.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">All references
in this Section 6(d) to the Preliminary Memorandum and the Final Memorandum include any amendment or supplement thereto at the
date of the applicable letter.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(f)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>Subsequent to the Execution Time or, if earlier, the dates as of which information is given in the Disclosure Package (exclusive
of any amendment or supplement thereto) and the Final Memorandum (exclusive of any amendment or supplement thereto), there shall
not have been (i) any change or decrease specified in the letter or letters referred to in paragraph (d) of this Section 6; or
(ii) any change, or any development involving a prospective change, in or affecting the condition (financial or otherwise), prospects,
earnings, business or properties of the Company and its subsidiaries taken as a whole, whether or not arising from transactions
in the ordinary course of business, except as set forth in or contemplated in the Disclosure Package and the Final Memorandum (exclusive
of any amendment or supplement thereto), the effect of which, in any case referred to in clause (i) or (ii) above, is, in the sole
judgment of the Representatives, so material and adverse as to make it impractical or inadvisable to proceed with the offering
or delivery of the Securities as contemplated in the Disclosure Package and the Final Memorandum (exclusive of any amendment or
supplement thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(g)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>Prior to the Execution Time, the Company shall have furnished to the Representatives a letter substantially in the form
of Exhibit&nbsp;A hereto from each officer and director of the Company addressed to the Representatives.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(h)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>The Company shall have caused the shares of Common Stock initially issuable upon conversion of the Securities to be approved
for listing, subject to issuance, on The NYSE MKT.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(i)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Prior to the Closing Date, the Company shall have furnished to the Representatives such further information, certificates
and documents as the Representatives may reasonably request.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">If any of the
conditions specified in this Section 6 shall not have been fulfilled when and as provided in this Agreement, or if any of the opinions
and certificates mentioned above or elsewhere in this Agreement shall not be reasonably satisfactory in form and substance to the
Representatives and counsel for the Initial Purchasers, this Agreement and all obligations of the Initial Purchasers hereunder
may be cancelled at, or at any time prior to, the Closing Date by the Representatives. Notice of such cancellation shall be given
to the Company in writing or by telephone or facsimile confirmed in writing.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">The documents
required to be delivered by this Section 6 will be delivered at the office of Latham &amp; Watkins LLP, counsel for the Initial
Purchasers, at<B> </B>12636 High Bluff Drive, Suite 400, San Diego, California 92130, on the Closing Date.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">7.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Reimbursement of Expenses</U>. If the sale of the Securities provided for herein is not consummated because any
condition to the obligations of the Initial Purchasers set forth in Section 6 hereof is not satisfied, because of any termination
pursuant to Section 10 hereof or because of any refusal, inability or failure on the part of the Company to perform any agreement
herein or comply with any provision hereof other than by reason of a default by any of the Initial Purchasers, the Company will
reimburse the Initial Purchasers severally through Citigroup on demand for all expenses (including reasonable fees and disbursements
of counsel) that shall have been incurred by them in connection with the proposed purchase and sale of the Securities.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">8.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Indemnification and Contribution</U>. (a) The Company agrees to indemnify and hold harmless each Initial Purchaser,
the directors, officers, employees, Affiliates and agents of each Initial Purchaser and each person who controls any Initial Purchaser
within the meaning of either the Act or the Exchange Act against any and all losses, claims, damages or liabilities, joint or several,
to which they or any of them may become subject under the Act, the Exchange Act or other U.S. federal or state statutory law or
regulation, at common law or otherwise, insofar as such losses, claims, damages or liabilities (or actions in respect thereof)
arise out of or are based upon any untrue statement or alleged untrue statement of a material fact contained in the Preliminary
Memorandum, the Final Memorandum, any Issuer Written Information or any other written information used by or on behalf of the Company
in connection with the offer or sale of the Securities, or in any amendment or supplement thereto or arise out of or are based
upon the omission or alleged omission to state therein a material fact required to be stated therein or necessary to make the statements
therein, in the light of the circumstances under which they were made, not misleading, and agrees to reimburse each such indemnified
party, as incurred, for any legal or other expenses reasonably incurred by it in connection with investigating or defending any
such loss, claim, damage, liability or action; <U>provided</U>, <U>however</U>, that the Company will not be liable in any such
case to the extent that any such loss, claim, damage or liability arises out of or is based upon any such untrue statement or alleged
untrue statement or omission or alleged omission made in the Preliminary Memorandum, the Final Memorandum, or in any amendment
thereof or supplement thereto, in reliance upon and in conformity with written information furnished to the Company by or on behalf
of any Initial Purchaser through the Representatives specifically for inclusion therein. This indemnity agreement will be in addition
to any liability that the Company may otherwise have.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT> Each Initial Purchaser severally, and not jointly, agrees to indemnify and hold harmless the Company, each of its directors,
each of its officers, and each person who controls the Company within the meaning of either the Act or the Exchange Act, to the
same extent as the foregoing indemnity to each Initial Purchaser, but only with reference to written information relating to such
Initial Purchaser furnished to the Company by or on behalf of such Initial Purchaser through the Representatives specifically for
inclusion in the Preliminary Memorandum, the Final Memorandum or in any amendment or supplement thereto. This indemnity agreement
will be in addition to any liability that any Initial Purchaser may otherwise have. The Company acknowledges that (i) the statements
set forth in the last paragraph of the cover page<B> </B>regarding delivery of the Securities and (ii), under the heading &ldquo;Plan
of Distribution&rdquo;, (A) the fourth sentence of the seventh paragraph and (B) the ninth, tenth and eleventh paragraphs in the
Preliminary Memorandum and the Final Memorandum constitute the only information furnished in writing by or on behalf of the Initial
Purchasers for inclusion in the Preliminary Memorandum, the Final Memorandum or in any amendment or supplement thereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(c)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;
</FONT>Promptly after receipt by an indemnified party under this Section 8 of notice of the commencement of any action, such indemnified
party will, if a claim in respect thereof is to be made against the indemnifying party under this Section 8, notify the indemnifying
party in writing of the commencement thereof; but the failure so to notify the indemnifying party (i) will not relieve it from
liability under paragraph (a) or (b) above unless and to the extent it did not otherwise learn of such action and such failure
results in the forfeiture by the indemnifying party of substantial rights and defenses and (ii) will not, in any event, relieve
the indemnifying party from any obligations to any indemnified party other than the indemnification obligation provided in paragraph
(a) or (b) above. The indemnifying party shall be entitled to appoint counsel (including local counsel) of the indemnifying party&rsquo;s
choice at the indemnifying party&rsquo;s expense to represent the indemnified party in any action for which indemnification is
sought (in which case the indemnifying party shall not thereafter be responsible for the fees and expenses of any separate counsel,
other than local counsel if not appointed by the indemnifying party, retained by the indemnified party or parties except as set
forth below); <U>provided</U>, <U>however</U>, that such counsel shall be satisfactory to the indemnified party. Notwithstanding
the indemnifying party&rsquo;s election to appoint counsel (including local counsel) to represent the indemnified party in an action,
the indemnified party shall have the right to employ separate counsel (including local counsel), and the indemnifying party shall
bear the reasonable fees, costs and expenses of such separate counsel if (i) the use of counsel chosen by the indemnifying party
to represent the indemnified party would present such counsel with a conflict of interest; (ii) the actual or potential defendants
in, or targets of, any such action include both the indemnified party and the indemnifying party and the indemnified party shall
have reasonably concluded that there may be legal defenses available to it and/or other indemnified parties that are different
from or additional to those available to the indemnifying party; (iii) the indemnifying party shall not have employed counsel satisfactory
to the indemnified party to represent the indemnified party within a reasonable time after notice of the institution of such action;
or (iv) the indemnifying party shall authorize the indemnified party to employ separate counsel at the expense of the indemnifying
party. An indemnifying party will not, without the prior written consent of the indemnified parties, settle or compromise or consent
to the entry of any judgment with respect to any pending or threatened claim, action, suit or proceeding in respect of which indemnification
or contribution may be sought hereunder (whether or not the indemnified parties are actual or potential parties to such</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">claim or action) unless such
settlement, compromise or consent includes an unconditional release of each indemnified party from all liability arising out of
such claim, action, suit or proceeding.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">(d)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;
</FONT>In the event that the indemnity provided in paragraph (a) or (b) of this Section 8 is unavailable to or insufficient to
hold harmless an indemnified party for any reason, the Company and the Initial Purchasers severally agree to contribute to the
aggregate losses, claims, damages and liabilities (including legal or other expenses reasonably incurred in connection with investigating
or defending any loss, claim, damage, liability or action) (collectively &ldquo;Losses&rdquo;) to which the Company and one or
more of the Initial Purchasers may be subject in such proportion as is appropriate to reflect the relative benefits received by
the Company on the one hand and by the Initial Purchasers on the other from the offering of the Securities; <U>provided</U>, <U>however</U>,
that in no case shall any Initial Purchaser be responsible for any amount in excess of the purchase discount or commission applicable
to the Securities purchased by such Initial Purchaser hereunder. If the allocation provided by the immediately preceding sentence
is unavailable for any reason, the Company and the Initial Purchasers severally shall contribute in such proportion as is appropriate
to reflect not only such relative benefits but also the relative fault of the Company on the one hand and the Initial Purchasers
on the other in connection with the statements or omissions that resulted in such Losses, as well as any other relevant equitable
considerations. Benefits received by the Company shall be deemed to be equal to the total net proceeds from the offering (before
deducting expenses) received by it, and benefits received by the Initial Purchasers shall be deemed to be equal to the total purchase
discounts and commissions. Relative fault shall be determined by reference to, among other things, whether any untrue or alleged
untrue statement of a material fact or the omission or alleged omission to state a material fact relates to information provided
by the Company on the one hand or the Initial Purchasers on the other, the intent of the parties and their relative knowledge,
access to information and opportunity to correct or prevent such untrue statement or omission. The Company and the Initial Purchasers
agree that it would not be just and equitable if contribution were determined by pro rata allocation or any other method of allocation
that does not take account of the equitable considerations referred to above. Notwithstanding the provisions of this paragraph
(d), no person guilty of fraudulent misrepresentation (within the meaning of Section 11(f) of the Act) shall be entitled to contribution
from any person who was not guilty of such fraudulent misrepresentation. For purposes of this Section 8, each person who controls
an Initial Purchaser within the meaning of either the Act or the Exchange Act and each director, officer, employee, Affiliate and
agent of an Initial Purchaser shall have the same rights to contribution as such Initial Purchaser, and each person who controls
the Company within the meaning of either the Act or the Exchange Act and each officer and director of the Company shall have the
same rights to contribution as the Company, subject in each case to the applicable terms and conditions of this paragraph (d).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">9.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT></FONT><U>Default by an Initial Purchaser</U>. If any one or more Initial Purchasers shall fail to purchase and pay for
any of the Securities agreed to be purchased by such Initial Purchaser hereunder and such failure to purchase shall constitute
a default in the performance of its or their obligations under this Agreement, the remaining Initial Purchasers shall be obligated
severally to take up and pay for (in the respective proportions which the principal amount of Securities set forth opposite their
names in Schedule I hereto bears to the aggregate principal amount of Securities set forth opposite the names of all the remaining
Initial Purchasers) the Securities</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">which the defaulting Initial
Purchaser or Initial Purchasers agreed but failed to purchase; <U>provided</U>, <U>however</U>, that in the event that the aggregate
principal amount of Securities which the defaulting Initial Purchaser or Initial Purchasers agreed but failed to purchase shall
exceed 10% of the aggregate principal amount of Securities set forth in Schedule I hereto, the remaining Initial Purchasers shall
have the right to purchase all, but shall not be under any obligation to purchase any, of the Securities, and if such nondefaulting
Initial Purchasers do not purchase all the Securities, this Agreement will terminate without liability to any nondefaulting Initial
Purchaser or the Company. In the event of a default by any Initial Purchaser as set forth in this Section 9, the Closing Date shall
be postponed for such period, not exceeding five Business Days, as the Representatives shall determine in order that the required
changes in the Final Memorandum or in any other documents or arrangements may be effected. Nothing contained in this Agreement
shall relieve any defaulting Initial Purchaser of its liability, if any, to the Company or any nondefaulting Initial Purchaser
for damages occasioned by its default hereunder.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">10.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Termination</U>. This Agreement shall be subject to termination in the absolute discretion of the Representatives,
by notice given to the Company prior to delivery of, and payment for, the Securities, if at any time prior to such delivery and
payment (i) trading in the Company&rsquo;s Common Stock shall have been suspended by the Commission or The NYSE MKT, or trading
in securities generally on the New York Stock Exchange <B> </B>shall have been suspended or limited or minimum prices shall have
been established on any such exchanges; (ii) trading in the Company&rsquo;s Common Stock shall have been suspended by the Tel Aviv
Stock Exchange which suspension is not related to the offering under this Agreement; (iii) a banking moratorium shall have been
declared either by U.S. federal or New York State authorities; or (iv) there shall have occurred any outbreak or escalation of
hostilities, declaration by the United States<B> </B>of a national emergency or war or other calamity or crisis the effect of which
on financial markets is such as to make it, in the sole judgment of the Representatives, impractical or inadvisable to proceed
with the offering or delivery of the Securities as contemplated in the Disclosure Package and the Final Memorandum (exclusive of
any amendment or supplement thereto).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">11.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Representations and Indemnities to Survive</U>. The respective agreements, representations, warranties, indemnities
and other statements of the Company or its officers and of the Initial Purchasers set forth in or made pursuant to this Agreement
will remain in full force and effect, regardless of any investigation made by or on behalf of the Initial Purchasers or the Company
or any of the indemnified persons referred to in Section 8 hereof, and will survive delivery of and payment for the Securities.
The provisions of Sections 7 and 8 hereof shall survive the termination or cancellation of this Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">12.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Notices</U>. All communications hereunder will be in writing and effective only on receipt, and, if sent to the
Representatives, will be mailed, delivered or telefaxed to the Citigroup General Counsel (fax no.: (212) 816-7912) and confirmed
to Citigroup at 388 Greenwich Street, New York, New York 10013, Attention: General Counsel; or, if sent to the Company, will be
mailed, delivered or telefaxed to +972 (4) 988-8926<B> </B>and confirmed to it at Protalix BioTherapeutics, Inc., 2 Snunit Street,
Science Park, POB 455, Carmiel 20100, Israel, attention of David Aviezer, President and Chief Executive Officer.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">13.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U> Successors</U>. This Agreement will inure to the benefit of and be binding upon the parties hereto and their
respective successors and the indemnified persons referred to in Section 8 hereof and their respective successors, and, except
as expressly set forth in Section 5(j) hereof, no other person will have any right or obligation hereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">14.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Internet Document Service</U>. The Company hereby agrees that Citigroup may provide copies of the Preliminary
Memorandum and Final Memorandum and any other agreement or document relating to the offer and sale of the Securities, including,
without limitation, the Registration Rights Agreement and the Indenture, to Xtract Research LLC (&ldquo;Xtract&rdquo;) following
the Closing Date for inclusion in an online research service sponsored by Xtract, access to which is restricted to &ldquo;qualified
institutional buyers&rdquo; (as defined in Rule 144A under the Act).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">15.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Integration</U>. This Agreement supersedes all prior agreements and understandings (whether written or oral) between
the Company and the Initial Purchasers, or any of them, with respect to the subject matter hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">16.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Applicable Law</U>. This Agreement will be governed by and construed in accordance with the laws of the State
of New York applicable to contracts made and to be performed within the State of New York.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">17.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Waiver of Jury Trial</U>. The Company hereby irrevocably waives, to the fullest extent permitted by applicable
law, any and all right to trial by jury in any legal proceeding arising out of or relating to this Agreement or the transactions
contemplated hereby.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">18.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>No Fiduciary Duty</U>. The Company hereby acknowledges that (a) the purchase and sale of the Securities pursuant
to this Agreement is an arm&rsquo;s-length commercial transaction between the Company, on the one hand, and the Initial Purchasers
and any Affiliate through which it may be acting, on the other, (b) the Initial Purchasers are acting as principal and not as an
agent or fiduciary of the Company and (c) the Company&rsquo;s engagement of the Initial Purchasers in connection with<FONT STYLE="font-size: 10pt">
</FONT>the offering and the process leading up to the offering is as independent contractors and not in any other capacity. Furthermore,
the Company agrees that it is solely responsible for making its own judgments in connection with the offering (irrespective of
whether any of the Initial Purchasers has advised or is currently advising the Company on related or other matters). The Company
agrees that it will not claim that the Initial Purchasers have rendered advisory services of any nature or respect, or owe an agency,
fiduciary or similar duty to the Company in connection with such transaction or the process leading thereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">19.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Waiver of Tax Confidentiality</U>. Notwithstanding anything herein to the contrary, purchasers of the Securities
(and each employee, representative or other agent of a purchaser) may disclose to any and all persons, without limitation of any
kind, the U.S. tax treatment and U.S. tax structure of any transaction contemplated herein and all materials of any kind (including
opinions or other tax analyses) that are provided to the purchasers of the Securities relating to such U.S. tax treatment and U.S.
tax structure, other than any information for which nondisclosure is reasonably necessary in order to comply with applicable securities
laws.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">20.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U> Counterparts</U>. This Agreement may be signed in one or more counterparts, each of which shall constitute an
original and all of which together shall constitute one and the same agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">21.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Headings</U>. The section headings used herein are for convenience only and shall not affect the construction
hereof.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent"><FONT STYLE="text-transform: uppercase">22.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;
</FONT></FONT><U>Definitions</U>. The terms that follow, when used in this Agreement, shall have the meanings indicated.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Act&rdquo;
shall mean the U.S. Securities Act of 1933, as amended, and the rules and regulations of the Commission promulgated thereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Affiliate&rdquo;
shall have the meaning specified in Rule&nbsp;501(b) of Regulation&nbsp;D.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Business
Day&rdquo; shall mean any day other than a Saturday, a Sunday or a legal holiday or a day on which banking institutions or trust
companies are authorized or obligated by law to close in The City of New York.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Citigroup&rdquo;
shall mean Citigroup Global Markets Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Commission&rdquo;
shall mean the Securities and Exchange Commission.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Disclosure
Package&rdquo; shall mean (i) the Preliminary Memorandum, as amended or supplemented at the Execution Time, (ii) the final term
sheet prepared pursuant to Section 5(t) hereto and in the form attached as Schedule II hereto and (iii) any Issuer Written Information.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Exchange
Act&rdquo; shall mean the U.S. Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated
thereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Execution
Time&rdquo; shall mean the date and time that this Agreement is executed and delivered by the parties hereto.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Investment
Company Act&rdquo; shall mean the U.S. Investment Company Act of 1940, as amended, and the rules and regulations of the Commission
promulgated thereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Issuer
Written Information&rdquo; shall mean any writings in addition to the Preliminary Memorandum that the parties expressly agree in
writing to treat as part of the Disclosure Package.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;NASDAQ&rdquo;
shall mean the NASDAQ Stock Market.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Regulation&nbsp;D&rdquo;
shall mean Regulation&nbsp;D under the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Regulation&nbsp;S&rdquo;
shall mean Regulation&nbsp;S under the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Regulation
S-X&rdquo; shall mean Regulation S-X under the Act.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&ldquo;Trust
Indenture Act&rdquo; shall mean the U.S. Trust Indenture Act of 1939, as amended, and the rules and regulations of the Commission
promulgated thereunder.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">If the foregoing
is in accordance with your understanding of our agreement, please sign and return to us the enclosed duplicate hereof, whereupon
this letter and your acceptance shall represent a binding agreement between the Company and the several Initial Purchasers.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">Very truly yours,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">&nbsp;</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">PROTALIX BIOTHERAPEUTICS,
INC.</P>

<P STYLE="font: bold 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">By:___________________________</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.25in; background-color: transparent">Name:<BR>
Title:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3.25in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">The foregoing Agreement is hereby
confirmed<BR>
and accepted as of the date first above written.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Citigroup Global Markets Inc.</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 13.5pt">By:</TD><TD>_____________________<BR>
Name:<BR>
Title:</TD></TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 3.5in 0pt 0; background-color: transparent">For itself and the
other several Initial Purchasers named in Schedule I to the foregoing Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 3.5in 0pt 0; background-color: transparent">&nbsp;</P>


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD COLSPAN="3" STYLE="padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; text-align: center; font-size: 10pt; text-indent: 0in">SCHEDULE I</TD></TR>
<TR STYLE="vertical-align: bottom">
    <TD COLSPAN="2" STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 97.9pt 0pt 94.3pt; text-align: center; text-indent: 0in; background-color: transparent"><U>Initial
        Purchasers</U></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 98.1pt 0pt 94.5pt; text-align: center; text-indent: 0in; background-color: transparent">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 98.1pt 0pt 94.5pt; text-align: center; text-indent: 0in; background-color: transparent">&nbsp;</P></TD>
    <TD STYLE="padding-right: 5.4pt; padding-left: 5.4pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.5in 0pt 25.9pt; text-align: center; text-indent: 0in; background-color: transparent">Principal
        Amount<BR>
        of Firm<BR>
        Securities to be</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in; background-color: white; border-bottom: Black 0.75pt solid">Purchased</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.5in 0pt 26.1pt; text-align: center; text-indent: 0in; background-color: transparent">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0.5in 0pt 26.1pt; text-align: center; text-indent: 0in; background-color: transparent">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font-size: 10pt; text-indent: 0in">Citigroup Global Markets Inc.&#9;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 63pt; padding-bottom: 12pt; padding-left: 0.55in; font-size: 10pt; text-indent: 0in">U.S.$60,000,000</TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font-size: 10pt; text-indent: 0in">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 63pt; padding-bottom: 12pt; padding-left: 0.55in; font-size: 10pt; text-indent: 0in">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 5.4pt; padding-bottom: 12pt; padding-left: 5.4pt; font-size: 10pt; text-indent: 0in">&#9;Total&#9;</TD>
    <TD COLSPAN="2" STYLE="padding-right: 63pt; padding-bottom: 12pt; padding-left: 0.55in; font-size: 10pt; text-indent: 0in">U.S.$60,000,000</TD></TR>
<TR>
    <TD STYLE="width: 60%">&nbsp;</TD>
    <TD STYLE="width: 1%">&nbsp;</TD>
    <TD STYLE="width: 39%">&nbsp;</TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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    <DIV STYLE="page-break-before: always; margin-top: 6pt"><TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%"><TR><TD STYLE="text-align: center; width: 100%">&nbsp;</TD></TR></TABLE></DIV>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; text-indent: 0in; background-color: transparent"><B>SCHEDULE
II</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent"><B>PRICING TERM SHEET</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent"><B>Dated September 12, 2013</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent"><B>Protalix
BioTherapeutics, Inc.</B></P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center; background-color: transparent"><B>$60,000,000
aggregate principal amount of<BR>
4.50% Convertible Senior Notes due 2018</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0in; background-color: transparent"><FONT STYLE="font-family: Symbol">&middot;</FONT><FONT STYLE="font-family: Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT><I>The information in this pricing term sheet supplements Protalix BioTherapeutics, Inc.&rsquo;s preliminary offering memorandum,
dated September 11, 2013 (the &ldquo;<B>Preliminary Offering Memorandum</B>&rdquo;), and supersedes the information in the Preliminary
Offering Memorandum to the extent inconsistent with the information in the Preliminary Offering Memorandum. In all other respects,
this pricing term sheet is qualified in its entirety by reference to the Preliminary Offering Memorandum. Terms used herein but
not defined herein shall have the respective meanings as set forth in the Preliminary Offering Memorandum. All references to dollar
amounts are references to U.S. dollars.</I></P>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 34%; padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Issuer:</FONT></TD>
    <TD STYLE="width: 66%; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Protalix BioTherapeutics, Inc., a Florida corporation.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Exchange/Symbol for the Issuer&rsquo;s Common Stock:</FONT></TD>
    <TD STYLE="padding-top: 12pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">The NYSE MKT (&ldquo;<B>NYSE MKT</B>&rdquo;) and the Tel Aviv Stock Exchange/PLX.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Security:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">4.50% Convertible Senior Notes due 2018 (the &ldquo;<B>Notes</B>&rdquo;).</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Trade Date:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">September 13, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Expected Settlement Date:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">September 18, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Offering Size:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">$60,000,000 aggregate principal amount of Notes.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Initial Purchaser&rsquo;s Option to Purchase Additional Notes:</FONT></TD>
    <TD STYLE="padding-top: 12pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Up to $9,000,000 aggregate principal amount of additional Notes.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Distribution:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Rule 144A.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Maturity Date:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">September 15, 2018, unless earlier purchased, converted or redeemed.</FONT></TD></TR>
</TABLE>

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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="width: 34%; padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Optional Redemption:</FONT></TD>
    <TD STYLE="width: 66%; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">The Issuer may not redeem the Notes prior to September 19, 2016 and no sinking fund is provided for the notes.&nbsp;&nbsp;On or after September 19, 2016, the Issuer may from time to time redeem for cash all or part of the Notes, except for the Notes that the Issuer is required to repurchase as described under &ldquo;Description of the Notes&mdash;Purchase of Notes at Your Option upon a Fundamental Change&rdquo; in the Preliminary Offering Memorandum, but only if the closing sale price per share of the Issuer&rsquo;s common stock for at least 20 trading days (whether or not consecutive) during the period of 30 consecutive trading days ending on the trading day immediately preceding the date on which the Issuer provides the notice of redemption exceeds 130% of the applicable conversion price for the Notes on each applicable trading day. The redemption price will equal 100% of the principal amount of the Notes being redeemed, <I>plus</I> accrued and unpaid interest to, but excluding, the redemption date, <I>plus</I> the sum of the present values of each of the remaining scheduled payments of interest that would have been made on the Notes being redeemed had such Notes remained outstanding from the redemption date to the maturity date, calculated as described under &ldquo;Description of the Notes&mdash;Optional Redemption on or after September 19, 2016&rdquo; in the Preliminary Offering Memorandum.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Interest Rate:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">4.50% <I>per annum</I>, accruing from September 18, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Issue Price:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">100%, plus accrued interest, if any, from September 18, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Interest Payment Dates:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Each March 15 and September 15, beginning on March 15, 2014.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">NYSE MKT Closing Sale Price on September 12, 2013:</FONT></TD>
    <TD STYLE="padding-top: 11pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">$4.72 per share of the Issuer&rsquo;s common stock.&nbsp;&nbsp;The closing sale price of the Issuer&rsquo;s common stock on the Tel Aviv Stock Exchange on September 12, 2013 was NIS 18.63 per share.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Conversion Premium:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Approximately 22.0% above the NYSE MKT Closing Sale Price on September 12, 2013.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Initial Conversion Rate:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">173.6593 shares of the Issuer&rsquo;s common stock per $1,000 principal amount of Notes, subject to adjustment.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Initial Conversion Price:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Approximately $5.76 per share of the Issuer&rsquo;s common stock, subject to adjustment.</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt; background-color: white"><FONT STYLE="font-size: 10pt">Use of Proceeds:</FONT></TD>
    <TD>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">The Issuer estimates that the
        net proceeds from the offering of the Notes, after deducting estimated expenses payable by the Issuer and the initial purchaser&rsquo;s
        discount, will be approximately $58.1&nbsp;million (or $66.8&nbsp;million if the initial purchaser exercises its option to purchase
        additional Notes in full).</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">The Issuer currently intends
        to use the net proceeds of the offering of the Notes to fund clinical trials for the Issuer&rsquo;s product candidates, to fund
        the Issuer&rsquo;s research and development activities, to enhance the Issuer&rsquo;s manufacturing capacity and for working capital
        and general corporate purposes.</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Sole Book-Running Manager</FONT></TD>
    <TD><FONT STYLE="font-size: 10pt">Citigroup Global Markets Inc.</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">CUSIP / ISIN Numbers:</FONT></TD>
    <TD STYLE="padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">74365A AA9 / US74365AAA97</FONT></TD></TR>
<TR STYLE="vertical-align: top; background-color: white">
    <TD STYLE="padding-right: 15.85pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">Adjustment to Conversion Rate upon Conversion upon a Make-Whole Adjustment Event or a Notice of Redemption:</FONT></TD>
    <TD STYLE="padding-top: 38pt; padding-bottom: 6pt"><FONT STYLE="font-size: 10pt">The following table sets forth the number of additional shares (as defined under &ldquo;Description of the Notes&mdash;Adjustment to Conversion Rate upon Conversion upon a Make-Whole Adjustment Event or a Notice of Redemption&rdquo; in the Preliminary Offering Memorandum) to be added to the conversion rate for each $1,000 principal amount of Notes based on the hypothetical stock prices and effective dates or dates of the notice of redemption, as the case may be, set forth below:</FONT></TD></TR>
</TABLE>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: white">&nbsp;</P>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: bottom">
    <TD STYLE="padding-right: 0.05in; padding-bottom: 1pt; padding-left: 0.05in; background-color: white"><FONT STYLE="font-size: 10pt"><B>Effective Date / Date of Notice of Redemption </B></FONT></TD>
    <TD COLSPAN="10" STYLE="padding-right: 0.05in; padding-left: 0.05in">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: white; border-bottom: Black 0.75pt solid"><B>Stock
        Price</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: white; border-bottom: Black 0.75pt solid"></P></TD></TR>
<TR>
    <TD STYLE="vertical-align: top; width: 24%; padding-right: 0.05in; padding-left: 0.05in">
<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 1pt; margin-bottom: 1pt"><DIV STYLE="font-size: 1pt; border-top: Black 0.75pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page --></TD>
    <TD STYLE="vertical-align: bottom; width: 8%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$4.72</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 7%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$5.25</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 7%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$5.76</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 8%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$7.00</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 8%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$8.00</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 8%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$10.00</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 7%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$15.00</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 7%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$20.00</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 8%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$30.00</U></FONT></TD>
    <TD STYLE="vertical-align: bottom; width: 8%; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; background-color: white; text-align: center"><FONT STYLE="font-size: 10pt"><U>$40.00</U></FONT></TD></TR>
<TR STYLE="background-color: rgb(204,255,204)">
    <TD STYLE="vertical-align: top; padding-right: 0.05in; padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-size: 10pt">September 18, 2013&#9;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">38.2051 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">33.3972 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">28.5534 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">22.1721 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">19.0258 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">14.7709 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">9.1263 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">6.3087 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">3.5021 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">2.1181 </FONT></TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; padding-right: 0.05in; padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-size: 10pt">September&nbsp;15, 2014&#9;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">38.2051 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">31.4452 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">25.7782 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">18.8941 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">16.1042 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">12.5101 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">7.7618 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">5.3900 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">3.0232 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">1.8505 </FONT></TD></TR>
<TR STYLE="background-color: rgb(204,255,204)">
    <TD STYLE="vertical-align: top; padding-right: 0.05in; padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-size: 10pt">September&nbsp;15, 2015&#9;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">38.2051 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">29.6911 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">23.1601 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">15.2405 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">12.8318 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">9.9413 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">6.1935 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">4.3203 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">2.4485 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">1.5169 </FONT></TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; padding-right: 0.05in; padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-size: 10pt">September&nbsp;15, 2016&#9;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">38.2051 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">27.8757 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">20.4111 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">11.2181 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">9.0687 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">7.0364 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">4.4015 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">3.0841 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">1.7668 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">1.1090 </FONT></TD></TR>
<TR STYLE="background-color: rgb(204,255,204)">
    <TD STYLE="vertical-align: top; padding-right: 0.05in; padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-size: 10pt">September&nbsp;15, 2017&#9;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">38.2051 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">25.2159 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">16.6432 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">6.6408 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">4.8227 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">3.7466 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">2.3523 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">1.6551 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.9579 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.6094 </FONT></TD></TR>
<TR STYLE="background-color: White">
    <TD STYLE="vertical-align: top; padding-right: 0.05in; padding-left: 10pt; text-indent: -10pt"><FONT STYLE="font-size: 10pt">September&nbsp;15, 2018&#9;</FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">38.2051 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">16.8168 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD>
    <TD STYLE="vertical-align: bottom; padding-right: 0.05in; padding-bottom: 6pt; padding-left: 0.05in; text-align: center"><FONT STYLE="font-size: 10pt">0.0000 </FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; background-color: transparent">&nbsp;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">Notwithstanding
anything in the indenture governing the Notes to the contrary, the Issuer may not increase the conversion rate to more than 211.8644
shares per $1,000 principal amount of Notes pursuant to the events described under &ldquo;Description of the Notes&mdash;Adjustment
to Conversion Rate upon Conversion upon a Make-Whole Adjustment Event or a Notice of Redemption&rdquo; in the Preliminary Offering
Memorandum, though the Issuer will adjust such number of shares for the same events for which the Issuer must adjust the conversion
rate as described under &ldquo;Description of the Notes&mdash;Conversion of Notes&mdash;Conversion Rate Adjustments&rdquo; in the
Preliminary Offering Memorandum.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">The
exact stock prices and effective dates or dates of the notice of redemption, as the case may be, may not be set forth in the table
above, in which case if the stock price is:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">&bull;</TD><TD STYLE="text-align: justify">between two stock prices in the table or the effective
date or date of the notice of redemption, as the case may be, is between two effective dates or dates of the notice of redemption,
as the case may be, in the table, the number of additional shares will be determined by a straight-line interpolation between
the number of additional shares set forth for the higher and lower stock prices and the earlier and later effective dates or dates
of the notice of redemption, as the case may be, based on a 365-day year, as applicable;</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">&bull;</TD><TD STYLE="text-align: justify">in excess of $40.00 per share (subject to adjustment
in the same manner as the stock prices set forth in the column headings of the table above), no additional shares will be added
to the conversion rate; and</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">&bull;</TD><TD STYLE="text-align: justify">less than $4.72 per share (subject to adjustment in
the same manner as the stock prices set forth in the column headings of the table above), no additional shares will be added to
the conversion rate.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">The
provisions of the fourth paragraph under &ldquo;Description of the Notes&mdash;Adjustment to Conversion Rate upon Conversion upon
a Make-Whole Adjustment Event or a Notice of Redemption&rdquo; in the Preliminary Offering Memorandum Preliminary Offering Memorandum
are hereby amended by making the following deletion and insertion (as well as by making any additional conforming changes consistent
with such deletion and insertion):</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">&bull;</TD><TD STYLE="text-align: justify">deleting the phrase &ldquo;, subject to the exceptions
and limitations set forth in the indenture,&rdquo; in clause (3) of the first bullet under such paragraph; and</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0.25in"></TD><TD STYLE="width: 0.25in; text-align: left">&bull;</TD><TD STYLE="text-align: justify">inserting the phrase &ldquo;, in the case of clause
(2) above,&rdquo; immediately before the phrase &ldquo;subject to the exceptions, set forth in the indenture&rdquo; at the end
of the first bullet under such paragraph.</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 4.5pt; text-align: justify; background-color: transparent">&nbsp;</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">This communication
is intended for the sole use of the person to whom it is provided by the sender.</P>

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">You should rely on the information
contained or incorporated by reference in the Preliminary Offering Memorandum, as supplemented by this final pricing term sheet
in making an investment decision with respect to the Notes.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">This communication shall not
constitute an offer to sell or the solicitation of an offer to buy securities nor shall there be any sale of these securities in
any state in which such solicitation or sale would be unlawful prior to registration or qualification of these securities under
the laws of any such state.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">The Notes and the shares of common
stock issuable upon conversion of the Notes, if any, have not been registered under the Securities Act of 1933, as amended (the
&ldquo;<B>Securities Act</B>&rdquo;), or any other state securities laws. Unless they are registered, the Notes and the shares
of common stock issuable upon conversion of the Notes, if any, may be offered only in transactions exempt from or not subject to
registration under the Securities Act or any other state securities laws. Accordingly, the Notes are only being offered to &ldquo;qualified
institutional buyers&rdquo; (as defined in Rule 144A under the Securities Act).</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">ANY DISCLAIMERS OR OTHER NOTICES
THAT MAY APPEAR BELOW ARE NOT APPLICABLE TO THIS COMMUNICATION AND SHOULD BE DISREGARDED. SUCH DISCLAIMERS OR OTHER NOTICES WERE
AUTOMATICALLY GENERATED AS A RESULT OF THIS COMMUNICATION BEING SENT VIA BLOOMBERG OR ANOTHER SYSTEM.</P>

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

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

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

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

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

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

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent"><B>EXHIBIT
A</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent"><B>Form of
Lock-Up Agreement</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&#9;________
__, 2013</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Citigroup Global Markets Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">As Representative of the Initial
Purchasers</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">c/o Citigroup Global Markets
Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">388 Greenwich Street</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">New York, New York 10013</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Ladies and Gentlemen:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">This letter
is being delivered to you in connection with a proposed Purchase Agreement (the &ldquo;Purchase Agreement&rdquo;) between Protalix
BioTherapeutics, Inc., a Florida corporation (the &ldquo;Company&rdquo;), and you as representative of a group of Initial Purchasers
named therein, relating to an offering of Convertible Notes due 2018, which will be convertible into common stock, $0.001 par value
(the &ldquo;Common Stock&rdquo;), of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">In order to
induce you and the other Initial Purchasers to enter into the Purchase Agreement, the undersigned will not, without the prior written
consent of Citigroup Global Markets Inc., directly or indirectly, offer, sell, contract to sell, pledge or otherwise dispose of,
enter into any transaction which is designed to, or might reasonably be expected to, result in the disposition (whether by actual
disposition or effective economic disposition due to cash settlement or otherwise) by the undersigned or any affiliate of the undersigned
or any person in privity with the undersigned or any affiliate of the undersigned of, file (or participate in the filing of) a
registration statement with the U.S. Securities and Exchange Commission (the &quot;Commission&quot;) in respect of, or establish
or increase a put equivalent position or liquidate or decrease a call equivalent position within the meaning of Section 16 of the
Securities Exchange Act of 1934, as amended, and the rules and regulations of the Commission promulgated thereunder (the &quot;Exchange
Act&quot;) in respect of, any shares of capital stock of the Company or any securities convertible into, or exercisable or exchangeable
for such capital stock, or publicly announce an intention to effect any such transaction, for a period of 90 days after the date
of the Purchase Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">The foregoing
restrictions shall not apply to: (a) transactions relating to shares of Common Stock or other securities acquired in the open market
after the completion of the offering; provided that no filing by any party under the Exchange Act shall be required or shall be
voluntarily made in connection with such transaction (other than a filing on a Form 5, Schedule 13D or Schedule 13G (or 13D-A or
13G-A) made after the expiration of the 90-day period referred to above); (b) bona fide gifts; (c) bona fide gifts, sales or other
dispositions of shares of any class of the Company&rsquo;s capital stock, in each case that are made exclusively between and among
the undersigned or members of the undersigned&rsquo;s immediate family (or a trust to their benefit), or affiliates of the undersigned,
including its partners (if a partnership) or members (if a limited liability company); <U>provided</U>, that in the case of the
foregoing clauses (b) and (c), it shall be a condition to any such transfer that (i) the transferee/donee agrees to be</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">bound by the terms of this letter
agreement (including, without limitation, the restrictions set forth in the preceding paragraph) to the same extent as if the transferee/donee
were a party hereto, (ii) no filing by any party (donor, donee, transferor or transferee) under the Exchange Act, shall be required
or shall be voluntarily made in connection with such transfer or distribution (other than a filing on a Form 5, Schedule 13D or
Schedule 13G (or 13D-A or 13G-A) made after the expiration of the 90-day period referred to above) and (iii) each party (donor,
donee, transferor or transferee) shall not be required by law (including without limitation the disclosure requirements of the
Securities Act of 1933, as amended, and the Exchange Act) to make, and shall agree to not voluntarily make, any public announcement
of the transfer or disposition; (d) the exercise of warrants or the exercise of stock options granted pursuant to the Company&rsquo;s
stock option/incentive plans or otherwise outstanding on the date hereof; provided, that the restrictions shall apply to shares
of Common Stock issued upon such exercise or conversion; and (e) the establishment of any contract, instruction or plan (a &lsquo;&lsquo;Plan&rsquo;&rsquo;)
that satisfies all of the requirements of Rule 10b5-1(c)(1)(i)(B) under the Exchange Act; <U>provided</U>, <U>however</U>, that
no sales of Common Stock or securities convertible into, or exchangeable or exercisable for, Common Stock, shall be made pursuant
to a Plan prior to the expiration of the lock-up period; provided further, that the Company is not required to report the establishment
of such Plan in any public report or filing with the Commission under the Exchange Act during the lock-up period and does not otherwise
voluntarily effect any such public filing or report regarding such Plan. For purposes of this paragraph, &lsquo;&lsquo;immediate
family&rsquo;&rsquo; shall mean the undersigned and the spouse, any lineal descendent, father, mother, brother or sister of the
undersigned.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">If for any
reason the Purchase Agreement shall be terminated prior to the Closing Date (as defined in the Purchase Agreement), the agreement
set forth above shall likewise be terminated.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">Very truly yours,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">By:__________________________________&#9;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">Name:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">Title:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 3in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent"><B>EXHIBIT
B-1</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent"><B>Form of
Company Counsel Opinion</B></P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">September ___, 2013</P>

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

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Citigroup Global Markets Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">388 Greenwich Street</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">New York, New York 10013</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in; background-color: transparent">Re:&#9;Protalix
BioTherapeutics, Inc. <I>&mdash;</I> $60,000,000 4.50% Convertible Notes due 2018</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Ladies and Gentlemen:</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">We
have acted as counsel to Protalix BioTherapeutics, Inc., a Florida corporation (the &ldquo;Company&rdquo;), in connection with
the issuance and sale of $60,000,000 aggregate principal amount of the Company&rsquo;s 4.50% Convertible Notes due 2018 (the &ldquo;Notes&rdquo;)
pursuant to the terms of a Purchase Agreement dated September 12, 2013 (the &ldquo;Purchase Agreement&rdquo;) between the Company
and Citigroup Global Markets Inc. (the &ldquo;Initial Purchaser&rdquo;). The Notes will be issued pursuant to the terms and conditions
of, and in the form set forth in, an Indenture to be dated as of the date hereof (the &ldquo;Indenture&rdquo;) between the Company
and The Bank of New York Mellon Trust Company, N.A., as trustee (the &ldquo;Trustee&rdquo;). The Notes initially shall be convertible
into [ ] shares of common stock, $0.001 par value, of the Company (the &ldquo;Common Stock&rdquo;), as described in the Offering
Memorandum. The shares of Common Stock into which the Shares may be converted are referred to herein as the &ldquo;Conversion Shares.&rdquo;
This opinion is furnished to you at the request of the Company pursuant to Section 6(a) of the Purchase Agreement. All capitalized
terms used herein and not otherwise defined shall have the respective meanings assigned to them in the Purchase Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">In
connection with this opinion, we have examined such corporate records, documents, instruments, certificates of public officials
and of the Company and such questions of law as we have deemed necessary for the purpose of rendering the opinions set forth herein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">We
have also examined (a) the Preliminary Offering Memorandum, dated September 11, 2013 and related pricing term sheet, dated September
12, 2013 (together, the &ldquo;Preliminary Offering Memorandum&rdquo;) and the Offering Memorandum, dated September 12, 2013 (the
&ldquo;Final Offering Memorandum&rdquo; and, together with the Preliminary Offering Memorandum, the &ldquo;Offering Memoranda&rdquo;)
pertaining to the Notes, (b) the documents filed by the Company under the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange
Act&rdquo;), that are incorporated or deemed incorporated by reference in the Offering Memoranda through the date hereof (the &ldquo;Incorporated
Documents&rdquo;) and (c) executed copies of the Purchase Agreement, the Indenture and the Notes, (together, the &ldquo;Transaction
Documents&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">In such examination,
we have assumed the genuineness of all signatures and the authenticity of all items submitted to us as originals and the conformity
with originals of all items submitted to us as copies. In making our examination of documents executed by parties</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 1in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">other than the Company, we have
assumed that each other party has the power and authority to execute and deliver, and to perform and observe the provisions of,
such documents, and the due authorization by each such party of all requisite action and the due execution and delivery of such
documents by each such party, and that such documents constitute the legal, valid and binding obligations of each such party enforceable
against such party in accordance with their terms. We also have assumed the legal capacity of all natural persons.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">Our
opinion in paragraph 1 below as to the qualification and good standing of the Company is based solely on certificates of public
officials in the state named in such paragraphs. We have made no independent investigation as to whether those certificates are
accurate or complete, but we have no knowledge of any such inaccuracy or incompleteness. With respect to the opinions expressed
below, we have relied as to certain factual matters upon the certificate of an authorized officer of the Company. We have made
no independent investigation as to whether the foregoing certificate is accurate or complete. With respect to our opinion in paragraph&nbsp;15
below, we have not conducted a docket search in any jurisdiction with respect to litigation that may be pending against the Company
or any of its officers or directors or undertaken any further inquiry.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">The
opinions hereinafter expressed are subject to the following qualifications and exceptions:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">(a)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>We express no opinion as to the effect of bankruptcy, insolvency, reorganization, arrangement, moratorium or other similar
laws relating to or affecting the rights of creditors generally, including, without limitation, laws relating to fraudulent transfers
or conveyances, preferences and equitable subordination;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">(b)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>We express no opinion as to limitations imposed by general principles of equity upon the availability of equitable remedies
or the enforcement of provisions of the Transaction Documents and the effect of judicial decisions which have held that certain
provisions are unenforceable where their enforcement would violate the implied covenant of good faith and fair dealing, or would
be commercially unreasonable, or where their breach is not material;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">(c)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The provisions of the Transaction Documents purporting to provide for indemnification under certain circumstances may be
unenforceable as violative of public policy expressed in the Act, and accordingly, we are unable to render an opinion as to the
enforceability of such provisions;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">(d)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Our opinion is based upon current statutes, rules, regulations, cases and official interpretive opinions, and it covers
certain items that are not directly or definitively addressed by such authorities;</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">(e)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Except to the extent encompassed by an opinion set forth below, we express no opinion as to the effect on the opinions expressed
herein of (1)&nbsp;the compliance or non-compliance of any party to the Transaction Documents with any law, regulation or order
applicable to it or (2) the legal or regulatory status or the nature of the business of any such party; and</P>

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">(f)<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> We express no opinion as to the effect of judicial decisions that may permit the introduction of extrinsic evidence to
modify the terms or the interpretation of the Transaction Documents.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; background-color: transparent">When
reference is made in our opinion herein to our knowledge, it means the actual knowledge of the attorneys within the firm who have
represented the Company.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">Please
note that we are opining only as to the matters expressly set forth herein, that no opinion should be inferred as to any other
matter. In rendering the foregoing opinions, we have relied, for matters involving Florida law, solely on the opinion of Shutts
&amp; Bowen LLP, Miami, Florida, and for matters of Israeli law, solely on the opinion of Horn &amp; Co., Tel Aviv, Israel.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">Based
upon and subject to the foregoing, we are of the opinion that:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">1.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company has been duly incorporated and is validly existing as a corporation in good standing under the laws of the State
of Florida, with full corporate power and authority to own, lease and operate its properties and conduct its business as described
in the Disclosure Package and the Final Memorandum, and to perform its obligations under each of the Transaction Documents, including,
without limitation, to issue, sell and deliver the Notes to be sold by the Company as contemplated by the Purchase Agreement.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">2.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Protalix Ltd. (the &ldquo;Subsidiary&rdquo;) has been duly incorporated and is validly existing as a company under the laws
of the State of Israel, with full corporate power and authority to own, lease and operate its properties and to conduct its business
as described in the Disclosure Package and the Final Memorandum.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">3.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company and the Subsidiary are each duly qualified to do business as a foreign corporation and are in good standing
in each jurisdiction in the United States where the ownership or leasing of their respective properties or the conduct of their
respective businesses requires such qualification, except where the failure to be so qualified and in good standing would not,
individually or in the aggregate, have a Material Adverse Effect.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">4.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Purchase Agreement has been duly authorized, executed and delivered by the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">5.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Indenture has been duly authorized, executed and delivered by the Company and assuming due authorization, execution
and delivery thereof by the Trustee, will constitute a valid and legally binding agreement of the Company enforceable against the
Company in accordance with its terms.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">6.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Notes have been duly authorized and, when executed and authenticated by the Trustee in accordance with the provisions
of the Indenture and delivered against payment therefor pursuant to the terms of the Purchase Agreement and the Indenture, will
constitute valid and binding obligations of the Company entitled to the benefits of the Indenture and enforceable against the Company
in accordance with their terms.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">7.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT> The Company has an authorized and outstanding capitalization as set forth in the Disclosure Package and the Final Memorandum;
all of the issued and outstanding shares of capital stock of the Company issued on or after October 31, 2007 have been duly authorized
and validly issued, are fully paid and non-assessable and are free of statutory preemptive rights and, to our knowledge, contractual
preemptive rights, resale rights, rights of first refusal and similar rights; neither the articles of incorporation nor the bylaws
of the Company include preemptive rights, resale rights, rights of first refusal or similar rights; no options, warrants or other
rights to purchase, agreements or other obligations to issue, or rights to convert any obligations into or exchange any securities
for, shares of capital stock of or ownership interests in the Company are outstanding.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">8.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Notes and the Indenture conform in all material respects to the descriptions thereof contained in the Disclosure Package
and the Final Memorandum.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">9.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>All of the outstanding shares of capital stock of the Subsidiary have been duly authorized and validly issued, are fully
paid and non-assessable and, except as otherwise disclosed in the Disclosure Package and the Final Memorandum, are owned by the
Company, in each case subject to no security interest, other encumbrance or adverse claim.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">10.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Conversion Shares have been validly reserved for issuance, and when issued and delivered in accordance with the terms
of the Indenture, will have been duly and validly issued, and will be fully paid and non-assessable and free of statutory preemptive
rights and, to our knowledge, contractual preemptive rights, resale rights, rights of first refusal and similar rights.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">11.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>No approval, authorization, consent or order under any federal law, the laws of the State of New York, the laws of the State
of Israel or under the Florida Business Corporation Act or approval, authorization, consent of or filing with any New York, Israeli
or Florida governmental or regulatory commission, board, body, authority or agency, or approval of the shareholders of the Company,
is required in connection with the issuance and sale of the Notes to be sold by the Company pursuant to the Purchase Agreement
or with the consummation of the transactions contemplated by the Purchase Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">12.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>Based on the representations, warranties and agreements of the Company and the Initial Purchaser contained in the Purchase
Agreement, no registration of the Notes or the Common Stock under the Act, and no qualification of the Indenture under the Trust
Indenture Act, is required in connection with (a) the offer, sale and delivery of the Notes to the Initial Purchaser, (b) the initial
resale of the Notes by the Initial Purchasers or (c) the conversion of the Notes into Common Stock, in each case in the manner
contemplated by the Disclosure Package, Final Memorandum, the Purchase Agreement, the Indenture and the Notes. The Notes, when
issued, will not be of the same class (within the meaning of Rule 144A under the Act) as securities that are listed on a national
securities exchange registered pursuant to Section 6 of the Exchange Act or quoted in a U.S. automated inter-dealer quotation system.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">13.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The execution, delivery and performance of the Purchase Agreement by the Company, the execution and delivery of the Indenture
by the Company, the issuance and sale of the Notes to be sold by the Company pursuant to the Purchase Agreement and the Common</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Stock issuable upon conversion
of the Notes, and the consummation of the transactions contemplated by the Purchase Agreement do not and will not result in any
breach or violation of or constitute a default under (nor constitute any event which, with notice, lapse of time or both, would
result in any breach or violation of or constitute a default under or give the holder of any indebtedness (or a person acting on
such holder&rsquo;s behalf) the right to require the repurchase, redemption or repayment of all or a part of such indebtedness
under) (or result in the creation or imposition of a lien, charge or encumbrance on any property or assets of the Company or the
Subsidiary pursuant to) (i) the articles of incorporation or bylaws (or similar organizational documents, as applicable) of the
Company or the Subsidiary, (ii) any indenture, mortgage, deed of trust, bank loan or credit agreement or other evidence of indebtedness,
or any license, lease, contract or other agreement or instrument which is filed as an exhibit to any Incorporated Document, (iii)
applicable federal laws, the laws of the State of New York, the laws of the State of Israel or the Florida Business Corporation
Act or (iv) any decree, judgment or order applicable to the Company or the Subsidiary or any of their respective properties, which
decree, judgment or order is known by us, except in the case of clauses (ii) through (iv), such breaches, violations or defaults
that would not, individually or in the aggregate, result in a Material Adverse Effect.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">14.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>To our knowledge, there are no contracts, licenses, agreements, leases or documents to which the Company or the Subsidiary
is a party or by which any of them or any of their respective properties may be bound or are otherwise of a character which are
required to be described in the Disclosure Package or the Final Memorandum or to be filed as an exhibit to any Incorporated Document
which have not been so described or filed as required.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">15.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>To our knowledge, (i) the Company is not a party to any legal or governmental action or proceeding that challenges the validity
or enforceability, or seeks to enjoin the performance, of the Purchase Agreement and (ii) there are no actions, suits, claims,
investigations or proceedings pending, threatened or contemplated to which the Company or the Subsidiary or any of their respective
directors or officers is or would be a party or to which any of their respective properties is or would be subject at law or in
equity, before or by any federal, state, local or foreign governmental or regulatory commission, board, body, authority or agency
which are required to be described in the Disclosure Package or the Final Memorandum but are not so described as required.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">16.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The Company is not and, after giving effect to the offering and sale of the Notes and the application of the proceeds thereof
as described in the Final Memorandum, will not be an &ldquo;investment company&rdquo; or an entity &ldquo;controlled&rdquo; by
an &ldquo;investment company,&rdquo; as such terms are defined in the Investment Company Act of 1940, as amended.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">17.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The statements in (or incorporated by reference in) the Disclosure Package or the Final Memorandum under the headings &ldquo;Description
of The Notes&rdquo; and &ldquo;U.S. Federal Income Tax Consequences&rdquo; insofar as such statements constitute summaries of documents
or legal proceedings or refer to matters of law or legal conclusions, are accurate and complete in all material respects and present
fairly the information purported to be shown.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">18.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>No person has the right, pursuant to the terms of any contract, agreement or other instrument described in or filed as an
exhibit to any Incorporated Document or otherwise known</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">to us, to cause the Company to
register under the Act any shares of Common Stock or shares of any other capital stock or other equity interest in the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">19.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>We do not know of any contracts or other documents, relating to the patents, trade secrets, trademarks, service marks or
other proprietary information or materials of the Company or the Subsidiary that are of a character required to be described in
the Disclosure Package or the Final Memorandum or to be filed as an exhibit to any Incorporated Document which have not been so
described or filed as required.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">20.<FONT STYLE="font: 10pt Times New Roman, Times, Serif">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;
</FONT>The statements in any of the Incorporated Documents under the heading &ldquo;Legal Proceedings&rdquo; (the &ldquo;<U>Litigation
Statements</U>&rdquo;), insofar as such Litigation Statements constitute summaries of documents or legal proceedings or refer to
matters of law or legal conclusions, are, to our knowledge, accurate and complete in all material respects and present fairly the
information purported to be shown.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">Very truly
yours,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">Morrison
&amp; Foerster LLP</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent"><B>EXHIBIT
B-2</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent"><B>Form of
Company Counsel Negative Assurance Letter</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">September ____, 2013</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Citigroup Global Markets Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">388 Greenwich Street</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">New York, New York 10013</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in; background-color: transparent">Re:&#9;Protalix
BioTherapeutics, Inc. <I>&mdash;</I> $60,000,000 4.50% Convertible Notes due 2018</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: 0in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Ladies and Gentlemen:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">We
have acted as counsel to Protalix BioTherapeutics, Inc., a Florida corporation (the &ldquo;Company&rdquo;), in connection with
the issuance and sale of $60,000,000 aggregate principal amount of the Company&rsquo;s 4.50% Convertible Notes due 2018 (the &ldquo;Notes&rdquo;)
pursuant to the terms of a Purchase Agreement dated September 12, 2013 (the &ldquo;Purchase Agreement&rdquo;) between the Company
and Citigroup Global Markets Inc. (the &ldquo;Initial Purchaser&rdquo;). The Notes will be issued pursuant to the terms and conditions
of, and in the form set forth in, an Indenture to be dated as of the date hereof (the &ldquo;Indenture&rdquo;) between the Company
and The Bank of New York Mellon Trust Company, N.A., as trustee (the &ldquo;Trustee&rdquo;). This opinion is furnished to you at
the request of the Company pursuant to Section 6(a) of the Purchase Agreement. All capitalized terms used herein and not otherwise
defined shall have the respective meanings assigned to them in the Purchase Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">In
connection with this letter, we have examined such corporate records, documents, instruments, certificates of public officials
and of the Company and such questions of law as we have deemed necessary for the purpose of rendering the opinions set forth herein.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 1in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">We have also
examined (a) the Preliminary Offering Memorandum, dated September 11, 2013 and related pricing term sheet, dated September 12,
2013 (together, the &ldquo;Preliminary Offering Memorandum&rdquo;) and the Offering Memorandum, dated September 12, 2013 (the &ldquo;Final
Offering Memorandum&rdquo; and, together with the Preliminary Offering Memorandum, the &ldquo;Offering Memoranda&rdquo;) pertaining
to the Notes, (b) the documents filed by the Company under the Securities Exchange Act of 1934, as amended (the &ldquo;Exchange
Act&rdquo;), that are incorporated or deemed incorporated by reference in the Offering Memoranda through the date hereof (the &ldquo;Incorporated
Documents&rdquo;), (c) executed copies of the Purchase Agreement, the Indenture, and the Notes, (together, the &ldquo;Transaction
Documents&rdquo;).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0.5in; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; background-color: transparent">In
addition, we have participated in conferences with officers and other representatives of the Company, representatives of the independent
public accountants of the Company and representatives of the Initial Purchaser at which the contents of the Disclosure Package
and the Final Memorandum were discussed and, although we are not passing upon and do not assume responsibility for the accuracy,
completeness or fairness of the statements contained in the Disclosure Package and the Final Memorandum (except as and to the extent
stated in numbered paragraphs 7, 8, 15 and 18 of our corporate opinion letter and paragraph 1 of our intellectual</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">property
opinion letter, each addressed to you and the dated the date hereof), on the basis of the foregoing, nothing has come to our attention
that causes us to believe that (i) the Disclosure Package (as defined below), as of the Execution Time (as defined below), or as
of the date hereof, contained an untrue statement of a material fact or omitted to state a material fact necessary in order to
make the statements therein, in the light of the circumstances under which they were made, not misleading or (iii) the Final Memorandum,
as of the date of the Final Memorandum, or as of the date hereof, contained or contains an untrue statement of a material fact
or omitted or omits to state a material fact necessary in order to make the statements therein, in the light of the circumstances
under which they were made, not misleading (it being understood that we express no opinion in this paragraph with respect to the
financial statements and schedules, and other financial data derived therefrom, included in the Disclosure Package or the Final
Memorandum).</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">As used
herein, (A) &ldquo;<U>Disclosure Package</U>&rdquo; means the Preliminary Prospectus and the final term sheet prepared pursuant
to Section 5(t) of the Purchase Agreement and (B) &ldquo;<U>Execution Time</U>&rdquo; means [____] [A.M./P.M.], New York City time,
on September 12, 2013.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">Very truly
yours,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">Morrison
&amp; Foerster LLP</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: left; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent"><B>EXHIBIT
B-3</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent"><B>Form of
Intellectual Property Counsel Opinion</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">September _____, 2013</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Citigroup Global Markets Inc.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">388 Greenwich Street</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">New York, New York 10013</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Ladies and Gentlemen:</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">We have acted as special intellectual
property counsel to Protalix BioTherapeutics, Inc., a Florida corporation (the &ldquo;Company&rdquo;), in connection with the issuance
and sale of $60,000,000 aggregate principal amount of the Company&rsquo;s 4.50% Convertible Notes due 2018 (the &ldquo;Notes&rdquo;)
pursuant to the terms of a Purchase Agreement dated September 12, 2013 (the &ldquo;Purchase Agreement&rdquo;) between the Company
and Citigroup Global Markets Inc. (the &ldquo;Initial Purchaser&rdquo;). This opinion is being delivered to you pursuant to Section
6(b) of the Purchase Agreement. All capitalized terms used herein and not otherwise defined shall have the respective meanings
assigned to them in the Purchase Agreement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">In connection with this opinion,
we have examined the statements under the captions the sections entitled &ldquo;Intellectual Property&rdquo; and &ldquo;Risks Related
to Intellectual Property Matters--If we fail to adequately protect or enforce our intellectual property rights or secure rights
to third party patents, the value of our intellectual property rights would diminish and our business, competitive position and
results of operations would suffer&rdquo; (collectively, the &ldquo;Patent Paragraphs&rdquo;) in the Company&rsquo;s Annual Report
on Form 10-K (the &ldquo;Annual Report&rdquo;), filed with the U.S. Securities and Exchange Commission (the &ldquo;Commission&rdquo;)
for the year ended December 31, 2012, which is incorporated by reference into the Preliminary Offering Memorandum, dated September
11, 2013 and related pricing term sheet, dated September 12, 2013 (together, the &ldquo;Preliminary Offering Memorandum&rdquo;)
and the Offering Memorandum, dated September 12, 2013 (the &ldquo;Final Offering Memorandum&rdquo; and, together with the Preliminary
Offering Memorandum, the &ldquo;Offering Memoranda&rdquo;).<FONT STYLE="color: black"> We have not made any independent verification
of any corporate records or other documents of the Company.</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">We have assumed the genuineness
of all signatures, the authenticity of all items submitted to us as originals and the conformity with originals of all items submitted
to us as copies. As to questions of fact material to the opinions expressed herein, we have relied in part (except as provided
in the immediately following paragraph) upon (i) an Officer&rsquo;s Certificate, (ii) representations regarding the status and
prosecution of issued patents and pending patent applications from Ehrlich and Fenster Ltd., Israel, the Company&rsquo;s patent
counsel and (iii) representations regarding the status of issued patents and pending patent applications as certified in the Officer&rsquo;s
Certificate, and have not independently investigated such questions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Whenever our opinions or views
herein with respect to the existence or absence of facts are indicated to be based on our knowledge or belief, it is intended to
signify that, in the course of our representation of the Company in connection with the matters referred to in the first sentence</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">of the first paragraph hereof,
no information has come to the attention of Gladys Monroy, Jie Zhou, James R. Tanenbaum, Anna T. Pinedo, Edward M. Welch and Michael
J. Rosenberg (who are the only attorneys in this firm who have devoted significant attention to such matters) that would give them
actual knowledge of the existence or absence of such facts. We have not undertaken any independent investigation to determine the
existence or absence of such facts, and no inference as to our knowledge of the existence or absence of such facts should be drawn
from the fact of our representation of the Company as described above.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Except as expressly set forth
below, we express no opinions or views (a) with respect to any patent rights or other intellectual property rights of the Company
other than the Patent Rights, (b) as to whether the Company is infringing any patents or other rights of others or whether others
are infringing any patents or other rights of the Company, (c) as to whether the Company owns or possesses sufficient licenses
or other rights to use all patents or other rights necessary for the conduct of the Company&rsquo;s business, or (d) with respect
to the Company&rsquo;s license agreements or similar agreements. In addition, except as expressly set forth below, we express no
opinions or views as to (i) whether any patent applications within the Patent Rights will issue as patents, (ii) whether any patents
within the Patent Rights or any patents that may issue from any patent applications within the Patent Rights, if challenged, will
be held valid and enforceable, (iii) the scope of claim coverage of any patents within the Patent Rights or any patents that may
issue from any patent applications within the Patent Rights, (iv) whether the Company will be able to conduct its business without
infringing the patents or other intellectual property rights of third parties, or (v) whether the Company will be able to prevent
third parties from competing with the Company or developing products or business methods similar to those of the Company.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">1.</TD><TD STYLE="text-align: justify">To our knowledge, the statements in the Patent Paragraphs in the Annual Report are accurate and
fairly summarize the information purported to be shown with the exception of the updated status of Patent Rights as presented in
Officer&rsquo;s Certificate - Appendix A. The Company exclusively owns those patent rights listed under Company Patent Rights,
co-owns those patent rights listed under Co-owned Patent Rights, and has licensed those patent rights listed under Licensed Patent
Rights.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">2.</TD><TD STYLE="text-align: justify">We are not aware of any pending or threatened claims, suits or judicial or governmental proceedings
relating to the Company Patents or the Company Applications or any trademarks or service marks of the Company or the subject matter
therein. We are not aware of any rights of third parties to any of the Company Patents or the Company Applications or any trademarks
or service marks of the Company which could reasonably be expected to materially affect the ability of the Company or the Subsidiary
to conduct its business as described in the Offering Memoranda.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">3.</TD><TD STYLE="text-align: justify">To our knowledge, (i) neither the Company nor the Subsidiary is, or has received notice that it
is, infringing or otherwise violating, and, upon the commercialization and sale of the products or services described in the Offering
Memoranda as under development, would infringe or otherwise violate, any patents, trademarks or service marks of others, and we
are unaware of any facts which would form a reasonable basis for a claim of any such infringement, except that we are aware of
U.S. Patent Nos. 8,063,182 B1 and 8,163,522 B1 in relation to PRX-106; and to our knowledge (ii) there are no infringements by
others of any of the patents, trademarks or service marks of the Company or the Subsidiary, and we are</TD></TR></TABLE>


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    <!-- Field: /Page -->

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.25in; text-align: justify; background-color: transparent">unaware
of any facts which would form a reasonable basis for a claim of any such infringement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">4.</TD><TD STYLE="text-align: justify">To our knowledge, the Company and its Subsidiary owns or possesses sufficient licenses or other
rights to use all technology covered by patents and to use all trademarks, necessary to conduct the business now being and proposed
to be conducted by the Company and its Subsidiaries as described in the Offering Memoranda except that we are aware of U.S. Patent
Nos. 8,063,182 B1 and 8,163,522 B1 that could prevent the making, using, selling and/or importation of PRX-106 in the U.S.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-align: justify; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">5.</TD><TD STYLE="text-align: justify">To our knowledge, with the exception of patents related to the taliglucerase alfa product the Company
has not monitored or searched third party patent applications or patents that may cover product candidates or expression methods
and that could interfere with their business.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">6.</TD><TD STYLE="text-align: justify">We have no knowledge of any fact that would preclude the Company or Protalix Ltd. (the &ldquo;Subsidiary&rdquo;)
from having valid license rights or clear title, free and clear of any liens or security interest, to the patents referenced in
the Annual Report, as updated in Officer&rsquo;s Certificate - Appendix A; we have no knowledge that the Company or the Subsidiary
lacks or will be unable to obtain any rights or licenses to use patents, trademarks or service marks that are, or would be, necessary
to conduct the business now conducted or proposed to be conducted by the Company or the Subsidiary as described in the Offering
Memoranda, except as disclosed in the Offering Memoranda; and we are unaware of any facts which would form a basis for a finding
of unenforceability or invalidity of any of the patents, trademarks or service marks of the Company or the Subsidiary. We are not
aware of any material defects of form in the preparation or filing of the patent applications of the Company or the Subsidiary.
To our knowledge, the Company has complied with the U.S. Patents and Trademark Office duties of candor and disclosure for each
patent and patent application of the Company or the Subsidiary.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">7.</TD><TD STYLE="text-align: justify">We are not aware of any fact with respect to the patent applications of the Company or the Subsidiary
presently on file that (i) would preclude the issuance of patents with respect to such applications, (ii) would lead us to conclude
that such patents, when issued, would not be valid and enforceable in accordance with applicable regulations or (iii) would result
in a third party having any rights in any patents issuing from such patent applications.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<TABLE CELLPADDING="0" CELLSPACING="0" WIDTH="100%" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; background-color: transparent"><TR STYLE="vertical-align: top">
<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in">8.</TD><TD STYLE="text-align: justify">To our knowledge the foreign associates who were instructed to attend to the filing of the non-U.S.
patent applications of the Company or the Subsidiary have confirmed the timely filing of each such application and have reported
the application serial numbers assigned to such non-U.S. patent applications, where such serial numbers have issued.</TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">We express no opinion as to matters
governed by the laws of any jurisdiction other than the federal laws of the United States. This letter is solely for your benefit,
and neither this letter nor any opinion expressed herein may be relied upon, nor may copies be delivered or disclosed to, any other
person or entity without our prior written consent.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Very truly yours,</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; background-color: transparent">Morrison
&amp; Foerster LLP</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent"><B>ANNEX
A</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent">Significant
Subsidiaries</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Protalix Ltd.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">Protalix B.V.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent"><FONT STYLE="background-color: white">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent"><FONT STYLE="background-color: white">&nbsp;</FONT></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; background-color: transparent">&nbsp;</P>


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<TYPE>EX-99.1
<SEQUENCE>5
<FILENAME>v355360_ex99-1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
<HTML>
<HEAD>
     <TITLE></TITLE>
</HEAD>
<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

<P STYLE="margin: 0"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt; text-align: center">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B><img src="tex99-1logo.jpg"></B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center"><B>Protalix BioTherapeutics Announces</B><BR>
<B>Closing of $69 Million Offering of Convertible Notes</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">CARMIEL, Israel, September 18, 2013 //GlobeNewswire - Protalix
BioTherapeutics, Inc. (NYSE MKT:PLX, TASE:PLX) announced the closing of its offering of $69 million principal amount of its 4.50%
Convertible Notes due 2018 (the &ldquo;Notes&rdquo;) through a private offering, including $9 million aggregate principal amount
of Notes related to the initial purchaser&rsquo;s over-allotment option, which was exercised in full.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The Notes are the unsecured, unsubordinated obligations of the
Company. Interest on the Notes is payable semi-annually at a rate of 4.50% per annum, and the Notes will mature on September 15,
2018, unless earlier repurchased, converted or redeemed. Holders may require the Company to repurchase their Notes upon the occurrence
of certain events that constitute a fundamental change under the indenture governing the Notes at a purchase price equal to the
principal amount thereof plus accrued and unpaid interest to, but excluding, the repurchase date. The Company may redeem the Notes
at its discretion on and after September 19, 2016, subject to certain conditions.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The Notes may be converted at the option of holders into shares
of the Company&rsquo;s common stock at any time prior to the close of business on the business day immediately preceding the stated
maturity date of the Notes. The initial conversion rate is 173.6593 shares of common stock per $1,000 principal amount of Notes,
which is equivalent to an initial conversion price of approximately $5.76 per share of common stock, subject to adjustment in certain
circumstances. This initial conversion rate represents a premium of approximately 22.0% relative to the last reported sale price
of the Company&rsquo;s common stock on the NYSE MKT of $4.72 per share on September 12, 2013.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Net proceeds received by the Company from the offering of the
Notes were approximately $66.8 million, after deducting the initial purchaser&rsquo;s discount and estimated offering expenses
payable by the Company. The Company intends to use the net proceeds from this offering to fund clinical trials for its product
candidates, to fund its research and development activities, to enhance its manufacturing capacity and for working capital and
general corporate purposes.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">The offering was made to qualified institutional buyers pursuant
to Rule 144A under the Securities Act of 1933, as amended (the &ldquo;Securities Act&rdquo;). This announcement is neither an offer
to sell nor a solicitation of an offer to buy any of these securities and shall not constitute an offer, solicitation, or sale
in any jurisdiction in which such offer, solicitation, or sale is unlawful. Any offer of the securities has been made only by means
of a private offering memorandum. The Notes and the shares of common stock issuable upon conversion of the Notes, if any, have
not been registered under the Securities Act or any state securities laws, and unless so registered, may not be offered or sold
in the United States except pursuant to an exemption from the registration requirements of the Securities Act and applicable state
laws.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>About Protalix BioTherapeutics, Inc.</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Protalix is a biopharmaceutical company focused on the development
and commercialization of recombinant therapeutic proteins expressed through its proprietary plant cell-based expression system,
ProCellEx<SUP>&reg;</SUP>. Protalix&rsquo;s unique expression system presents a proprietary method for developing recombinant proteins
in a cost-effective, industrial-scale manner. Protalix&rsquo;s first product manufactured by ProCellEx, taliglucerase alfa, was
approved for marketing by the U.S. Food and Drug Administration (FDA) in May 2012, by Israel&rsquo;s Ministry of Health in September
2012, by the Brazilian National Health Surveillance Agency (ANVISA) in March 2013, by the Mexican Federal Commission for the Protection
against Sanitary Risk (COFEPRIS) in April 2013, and by the regulatory authorities of other countries. Marketing applications for
taliglucerase alfa have been filed in additional territories as well. Protalix has partnered with Pfizer Inc. for the worldwide
development and commercialization of taliglucerase alfa, excluding Israel and Brazil, where Protalix retains full rights. Protalix&rsquo;s
development pipeline also includes the following product candidates: PRX-102, a modified version of the recombinant human alpha-GAL-A
protein for the treatment of Fabry disease; PRX-105, a pegylated recombinant human acetylcholinesterase in development for several
therapeutic and prophylactic indications, a biodefense program and an organophosphate-based pesticide treatment program; an orally-delivered
glucocerebrosidase enzyme that is produced and encapsulated within carrot cells, also for the treatment of Gaucher disease; pr-antiTNF,
a similar plant cell version of etanercept (Enbrel&reg;) for the treatment of certain immune diseases such as rheumatoid arthritis,
juvenile idiopathic arthritis, ankylosing spondylitis, psoriatic arthritis and plaque psoriasis; PRX-110 for the treatment of Cystic
Fibrosis; PRX-107 for the treatment of emphysema due to hereditary alpha1-antitrypsin deficiency; and others.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Forward-Looking Statements</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">To the extent that statements in this press release are not
strictly historical, all such statements are forward-looking, and are made pursuant to the safe-harbor provisions of the Private
Securities Litigation Reform Act of 1995. The terms &quot;anticipate,&quot; &quot;believe,&quot; &quot;estimate,&quot; &quot;expect,&quot;
&quot;plan&quot; and &quot;intend&quot; and other words or phrases of similar import are intended to identify forward-looking statements.
Drug discovery and development involve a high degree of risk. Factors that might cause material differences include, among others:
risks relating to the sufficiency of the funds raised in the proposed offering, if any; risks relating to our use of the net proceeds
from the proposed offering; risks related to the commercial sales of taliglucerase alfa in jurisdictions where it has been granted
marketing approval; failure or delay in the commencement or completion of our preclinical studies and clinical trials which may
be caused by several factors, including: unforeseen safety issues; determination of dosing issues; lack of effectiveness during
clinical trials; slower than expected rates of patient recruitment; inability to monitor patients adequately during or after treatment;
inability or unwillingness of medical investigators and institutional review boards to follow our clinical protocols; and lack
of sufficient funding to finance the clinical trials; the risk that the results of our clinical trials will not support the applicable
claims of safety or efficacy, that our product candidates will not have the desired effects or will include undesirable side effects
or other unexpected characteristics; our dependence on performance by third-party providers of services and supplies, including
without limitation, clinical trial services; delays in our preparation and filing of applications for regulatory approval; delays
in the approval or potential rejection of any applications we file with the FDA, or other health regulatory authorities; the inherent
risks and uncertainties in developing drug platforms and products of the type we are developing; the impact of development of competing
therapies and/or technologies by other companies and institutions; potential product liability risks; risks related to the potential
infringement of a third party&rsquo;s patents or other intellectual property rights; the uncertainty of obtaining patents covering
our products and processes and in successfully enforcing our intellectual property rights against third parties; risks of securing
adequate levels of product liability and clinical trial insurance coverage; and other factors described in our filings with the
U.S. Securities and Exchange Commission. These forward-looking statements are based on current information that may change and
you are cautioned not to place undue reliance on these forward-looking statements. The statements in this release are valid only
as of the date hereof and we disclaim any obligation to update this information. All forward-looking statements are qualified in
their entirety by this cautionary statement.</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>Investor Contact</B></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Marcy Nanus<BR>
The Trout Group, LLC<BR>
646-378-2927<BR>
mnanus@troutgroup.com</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>&nbsp;</B></P>

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`
end
</TEXT>
</DOCUMENT>
</SEC-DOCUMENT>
