<SEC-DOCUMENT>0001104659-20-021697.txt : 20200214
<SEC-HEADER>0001104659-20-021697.hdr.sgml : 20200214
<ACCEPTANCE-DATETIME>20200214160619
ACCESSION NUMBER:		0001104659-20-021697
CONFORMED SUBMISSION TYPE:	SC 13G/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20200214
DATE AS OF CHANGE:		20200214
GROUP MEMBERS:		CALC IV LP
GROUP MEMBERS:		CITADEL ADVISORS HOLDINGS LP
GROUP MEMBERS:		CITADEL ADVISORS LLC
GROUP MEMBERS:		CITADEL GP LLC
GROUP MEMBERS:		CITADEL SECURITIES LLC
GROUP MEMBERS:		KENNETH GRIFFIN

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Riot Blockchain, Inc.
		CENTRAL INDEX KEY:			0001167419
		STANDARD INDUSTRIAL CLASSIFICATION:	IN VITRO & IN VIVO DIAGNOSTIC SUBSTANCES [2835]
		IRS NUMBER:				841553387
		STATE OF INCORPORATION:			NV
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-79102
		FILM NUMBER:		20619495

	BUSINESS ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104
		BUSINESS PHONE:		303-794-2000

	MAIL ADDRESS:	
		STREET 1:		202 6TH STREET, SUITE 401
		CITY:			CASTLE ROCK
		STATE:			CO
		ZIP:			80104

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Bioptix, Inc.
		DATE OF NAME CHANGE:	20161201

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	Venaxis, Inc.
		DATE OF NAME CHANGE:	20121218

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	AspenBio Pharma, Inc.
		DATE OF NAME CHANGE:	20051110

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Citadel Securities GP LLC
		CENTRAL INDEX KEY:			0001721695
		IRS NUMBER:				822115505
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13G/A

	BUSINESS ADDRESS:	
		STREET 1:		131 S. DEARBORN ST.
		STREET 2:		32ND FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60603
		BUSINESS PHONE:		(312) 395-2100

	MAIL ADDRESS:	
		STREET 1:		131 S. DEARBORN ST.
		STREET 2:		32ND FLOOR
		CITY:			CHICAGO
		STATE:			IL
		ZIP:			60603
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13G/A
<SEQUENCE>1
<FILENAME>tm206927d3_sc13ga.htm
<DESCRIPTION>SC 13G/A
<TEXT>
<HTML>
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     <TITLE></TITLE>
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<BODY STYLE="font: 10pt Times New Roman, Times, Serif">

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

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

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

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 0; margin-bottom: 0"><DIV STYLE="font-size: 1pt; border-top: Black 2pt solid; border-bottom: Black 1pt solid; width: 100%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

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

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<TR>
    <TD STYLE="vertical-align: top; text-align: center; width: 745px"><B>UNITED STATES</B></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center"><B>SECURITIES AND EXCHANGE COMMISSION</B></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center"><B>Washington, D.C.&nbsp;&nbsp;20549</B></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 18pt">SCHEDULE 13G</FONT></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center"><B>(Rule 13d-102)</B></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center"><B>Information Statement Pursuant to Rules 13d-1 and 13d-2</B></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center"><B>Under the Securities Exchange Act of 1934</B></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center"><FONT STYLE="font-size: 10pt"><B>(Amendment No. <U>&nbsp;&nbsp;1&nbsp;</U>)*</B></FONT></TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center; border-bottom: Black 1pt solid"><P STYLE="margin: 0pt 0; font: 10pt Times New Roman, Times, Serif"><FONT STYLE="font-size: 14pt">Riot
                                         Blockchain, Inc.</FONT></P>


</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">(Name of Issuer)</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center; border-bottom: Black 1pt solid">Common stock, no par value</TD></TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">(Title of Class of Securities)</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
    </TR>
<TR>
    <TD STYLE="border-bottom: Black 1pt solid; vertical-align: top; text-align: center"><P STYLE="margin: 0pt 0; font: 10pt Times New Roman, Times, Serif">767292105</P>


</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">(CUSIP Number)</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">&nbsp;</TD>
    </TR>
<TR>
    <TD STYLE="border-bottom: Black 1pt solid; vertical-align: top; text-align: center"><P STYLE="margin: 0pt 0; font: 10pt Times New Roman, Times, Serif">December 31, 2019</P>


</TD>
    </TR>
<TR>
    <TD STYLE="vertical-align: top; text-align: center">Date of Event Which Requires Filing of the Statement</TD>
    </TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&nbsp;</P>

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

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

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD><TD STYLE="text-align: justify">Rule 13d-1(b)</TD>
</TR></TABLE>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings; font-size: 10pt">x</FONT></TD><TD STYLE="text-align: justify">Rule 13d-1(c)</TD>
</TR></TABLE>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 0.25in; text-align: left"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD><TD STYLE="text-align: justify">Rule 13d-1(d)</TD>
</TR></TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">*The remainder of this cover page shall
be filled out for a reporting person&rsquo;s initial filing on this form with respect to the subject class of securities, and for
any subsequent amendment containing information which would alter disclosures provided in a prior cover page.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">The information required on the remainder
of this cover page shall not be deemed to be &ldquo;filed&rdquo; for the purpose of Section 18 of the Securities Exchange Act of
1934 (&ldquo;Act&rdquo;) or otherwise subject to the liabilities of that section of the Act but shall be subject to all other provisions
of the Act (however, see the Notes).</P>

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

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

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


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

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<TR>
    <TD STYLE="width: 26%; border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="width: 43%; border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; width: 31%; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">2</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></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: 7%; border: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">1.</P></TD>
    <TD STYLE="width: 93%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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 OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON</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"><B>Citadel Securities LLC</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.7pt; text-indent: -36.7pt">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.6pt; text-indent: -36.6pt"><FONT STYLE="font-size: 10pt">(b)</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 18pt"></FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">3.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>Delaware</B></P></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 30%; border: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 7%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">5.</P></TD>
    <TD STYLE="width: 63%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">6.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>418,621 shares</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
</TABLE>

<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="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">10.</P></TD>
    <TD STYLE="width: 83%; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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; text-indent: -0.5in">CHECK BOX IF THE AGGREGATE AMOUNT
        IN ROW (9) EXCLUDES CERTAIN SHARES</P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt; font-size: 10pt; text-align: center; vertical-align: bottom"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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-align: center">11.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>1.7%</B><FONT STYLE="font-family: Times New Roman, Times, Serif"><U><SUP>1</SUP></U></FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>BD, OO</B></P></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"></P>

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<TD STYLE="width: 0%"></TD><TD STYLE="width: 0.5in"><FONT STYLE="font-family: Times New Roman, Times, Serif"><U><SUP>1</SUP></U></FONT></TD><TD><P STYLE="margin: 0pt 0; font: 10pt Times New Roman, Times, Serif">The percentages reported in this Schedule 13G/A are based upon
24,731,215 shares of common stock outstanding as of November 8, 2019 (according to the issuer&rsquo;s Form 10-Q as filed with the
Securities and Exchange Commission on November 12, 2019).</P>


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

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">3</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></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: 7%; border: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">1.</P></TD>
    <TD STYLE="width: 93%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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 OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON</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"><B>CALC IV LP</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.7pt; text-indent: -36.7pt">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.6pt; text-indent: -36.6pt"><FONT STYLE="font-size: 10pt">(b)</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 18pt"></FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">3.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>Delaware</B></P></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 30%; border: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 7%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">5.</P></TD>
    <TD STYLE="width: 63%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">6.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>418,740 shares</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
</TABLE>

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    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">10.</P></TD>
    <TD STYLE="width: 83%; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">CHECK BOX IF THE AGGREGATE AMOUNT IN ROW (9) EXCLUDES <FONT STYLE="font-size: 10pt">CERTAIN
        SHARES</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in; text-indent: -0.5in"></P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt; font-size: 10pt; text-align: center; vertical-align: bottom"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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-align: center">11.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>1.7%</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>PN; HC</B></P></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>

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<TR>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">4</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></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: 7%; border: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">1.</P></TD>
    <TD STYLE="width: 93%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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 OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON</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"><B>Citadel Securities GP LLC</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.7pt; text-indent: -36.7pt">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.6pt; text-indent: -36.6pt"><FONT STYLE="font-size: 10pt">(b)</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 18pt"></FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">3.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>Delaware</B></P></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 30%; border: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 7%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">5.</P></TD>
    <TD STYLE="width: 63%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">6.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>418,740 shares</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
</TABLE>

<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="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">10.</P></TD>
    <TD STYLE="width: 83%; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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; text-indent: -0.5in">CHECK BOX IF THE AGGREGATE AMOUNT
        IN ROW (9) EXCLUDES CERTAIN SHARES</P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt; font-size: 10pt; text-align: center; vertical-align: bottom"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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-align: center">11.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>1.7%</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>OO; HC</B></P></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; text-align: justify">&nbsp;</P>

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<TR>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">5</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify">&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: 7%; border: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">1.</P></TD>
    <TD STYLE="width: 93%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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 OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON</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"><B>Citadel Advisors LLC</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.7pt; text-indent: -36.7pt">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.6pt; text-indent: -36.6pt"><FONT STYLE="font-size: 10pt">(b)</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 18pt"></FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">3.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>Delaware</B></P></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 30%; border: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 7%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">5.</P></TD>
    <TD STYLE="width: 63%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">6.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above</B></P></TD></TR>
</TABLE>

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<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">10.</P></TD>
    <TD STYLE="width: 83%; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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; text-indent: -0.5in">CHECK BOX IF THE AGGREGATE AMOUNT
        IN ROW (9) EXCLUDES CERTAIN SHARES</P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt; font-size: 10pt; text-align: center; vertical-align: bottom"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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-align: center">11.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0%</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>IA; OO; HC</B></P></TD></TR>
</TABLE>
<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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    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">6</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></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: 7%; border: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">1.</P></TD>
    <TD STYLE="width: 93%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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 OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON</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"><B>Citadel Advisors Holdings LP</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.7pt; text-indent: -36.7pt">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.6pt; text-indent: -36.6pt"><FONT STYLE="font-size: 10pt">(b)</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 18pt"></FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">3.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>Delaware</B></P></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 30%; border: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 7%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">5.</P></TD>
    <TD STYLE="width: 63%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">6.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above</B></P></TD></TR>
</TABLE>

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<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">10.</P></TD>
    <TD STYLE="width: 83%; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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; text-indent: -0.5in">CHECK BOX IF THE AGGREGATE AMOUNT
        IN ROW (9) EXCLUDES CERTAIN SHARES</P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt; font-size: 10pt; text-align: center; vertical-align: bottom"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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-align: center">11.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0%</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>PN; HC</B></P></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>

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<TR>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">7</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></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"></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: 7%; border: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">1.</P></TD>
    <TD STYLE="width: 93%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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 OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON</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"><B>Citadel GP LLC</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.7pt; text-indent: -36.7pt">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.6pt; text-indent: -36.6pt"><FONT STYLE="font-size: 10pt">(b)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</FONT><FONT STYLE="font-size: 18pt"></FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">3.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>Delaware</B></P></TD></TR>
</TABLE>


<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 ROWSPAN="4" STYLE="width: 30%; border: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 7%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">5.</P></TD>
    <TD STYLE="width: 63%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">6.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0 </B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
</TABLE>

<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="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above.</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">10.</P></TD>
    <TD STYLE="width: 83%; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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; text-indent: -0.5in">CHECK BOX IF THE AGGREGATE AMOUNT
        IN ROW (9) EXCLUDES CERTAIN SHARES</P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt; font-size: 10pt; text-align: center; vertical-align: bottom"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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-align: center">11.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0%</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>OO; HC</B></P></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>

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<TR>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page
 8 of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
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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: 7%; border: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">1.</P></TD>
    <TD STYLE="width: 93%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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 OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">S.S. OR I.R.S. IDENTIFICATION NO. OF ABOVE PERSON</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"><B>Kenneth Griffin</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">2.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CHECK THE APPROPRIATE BOX IF A MEMBER OF A GROUP</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.7pt; text-indent: -36.7pt">(a)&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-family: Wingdings">&uml;</FONT></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 324.6pt; text-indent: -36.6pt"><FONT STYLE="font-size: 10pt">(b)</FONT>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT STYLE="font-size: 18pt"></FONT><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">3.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">SEC USE ONLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">4.</P></TD>
    <TD STYLE="border-right: Black 1pt solid; padding-right: 6.35pt; padding-left: 6.35pt">
        <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">CITIZENSHIP OR PLACE OF ORGANIZATION</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>U.S. Citizen</B></P></TD></TR>
</TABLE>

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR STYLE="vertical-align: top">
    <TD ROWSPAN="4" STYLE="width: 30%; border: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">NUMBER OF</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">SHARES</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">BENEFICIALLY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">OWNED BY</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">EACH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">REPORTING</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">WITH</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">&nbsp;</P></TD>
    <TD STYLE="width: 7%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">5.</P></TD>
    <TD STYLE="width: 63%; border-top: black 1pt solid; border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">6.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED VOTING POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>418,740 shares</B></P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">7.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SOLE DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>0</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">8.</P></TD>
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.6pt; padding-left: 6.6pt">
        <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">SHARED DISPOSITIVE POWER</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above</B></P></TD></TR>
</TABLE>

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<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">9.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">AGGREGATE AMOUNT BENEFICIALLY OWNED BY EACH REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>See Row 6 above</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 7%; border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">10.</P></TD>
    <TD STYLE="width: 83%; border-bottom: Black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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; text-indent: -0.5in">CHECK BOX IF THE AGGREGATE AMOUNT
        IN ROW (9) EXCLUDES CERTAIN SHARES</P></TD>
    <TD STYLE="width: 10%; border-bottom: black 1pt solid; border-right: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt; font-size: 10pt; text-align: center; vertical-align: bottom"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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-align: center">11.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">PERCENT OF CLASS REPRESENTED BY AMOUNT IN ROW (9)</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>1.7%</B></P></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; border-left: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">&nbsp;</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: center">12.</P></TD>
    <TD COLSPAN="2" STYLE="border-right: black 1pt solid; border-bottom: black 1pt solid; padding-right: 6.7pt; padding-left: 6.7pt">
        <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">TYPE OF REPORTING PERSON</P>
        <P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 0.5in"><B>IN; HC</B></P></TD></TR>
</TABLE>
<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>

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    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">9</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
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<TD STYLE="width: 0"></TD><TD STYLE="width: 1in"><B>Item 1(a)</B></TD><TD><B>Name of Issuer</B></TD></TR></TABLE>

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<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"></TD><TD STYLE="text-align: justify"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Riot Blockchain, Inc.</P>


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

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<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item</B> <B>1(b)</B></TD><TD STYLE="text-align: justify"><B>Address of Issuer&rsquo;s Principal Executive
Offices</B></TD>
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<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><BR></TD><TD STYLE="text-align: justify">202 6th Street, Suite 401 Castle Rock, Colorado 80104.</TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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"><B>Item 2(a)</B></TD><TD><B>Name of Person Filing</B><BR>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0">This Schedule 13G/A is being jointly
filed by Citadel Securities LLC (&ldquo;Citadel Securities&rdquo;), CALC IV LP (&ldquo;CALC4&rdquo;), Citadel Securities GP LLC
(&ldquo;CSGP&rdquo;), Citadel Advisors LLC (&ldquo;Citadel Advisors&rdquo;), Citadel Advisors Holdings LP (&ldquo;CAH&rdquo;),
Citadel GP LLC (&ldquo;CGP&rdquo;) and Mr. Kenneth Griffin (collectively with Citadel Securities, CALC4, CSGP, Citadel Advisors,
CAH and CGP, the &ldquo;Reporting Persons&rdquo;) with respect to shares of common stock of the above-named issuer owned by Citadel
Securities and CRBU Holdings LLC, a Delaware limited liability company (&ldquo;CRBH&rdquo;).</P>



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

<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: 0in"></P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0">CALC4 is the non-member manager of
Citadel Securities and CRBH. CSGP is the general partner of CALC4. CAH is the sole member of Citadel Advisors. CGP is the general
partner of CAH. Mr. Griffin is the President and Chief Executive Officer of CGP, and owns a controlling interest in CSGP and CGP.</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: 0">The filing of this statement shall not be construed as an admission that any of the
Reporting Persons is the beneficial owner of any securities covered by the statement other than the securities actually owned by
such person (if any).</P>



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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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"><B>Item 2(b)</B></TD><TD><B>Address of Principal Business Office</B><BR>
The address of the principal business office of each of the
Reporting Persons is 131 S. Dearborn Street, 32nd Floor, Chicago, Illinois 60603.</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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"><B>Item 2(c)</B></TD><TD><B>Citizenship</B><BR>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-indent: 0">Each of Citadel Securities, CSGP,
Citadel Advisors and CGP is organized as a limited liability company under the laws of the State of Delaware. Each of CALC4 and
CAH is organized as a limited partnership under the laws of the State of Delaware. Mr. Griffin is a U.S. citizen.</P>



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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item</B> <B>2(d)</B></TD><TD STYLE="text-align: justify"><B>Title of Class of Securities</B></TD>
</TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><BR></TD><TD STYLE="text-align: justify"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Common
stock, no par value</P>


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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item</B> <B>2(e)</B></TD><TD STYLE="text-align: justify"><B>CUSIP Number</B></TD>
</TR></TABLE>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><BR></TD><TD STYLE="text-align: justify">767292105</TD>
</TR></TABLE>

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


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page
10 of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
</TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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"><P STYLE="margin-top: 0; margin-bottom: 0"></P>
                                                 <P STYLE="margin-top: 0; margin-bottom: 0">&nbsp;<B>Item 3</B></P></TD><TD STYLE="text-align: justify"><B>If this statement is filed pursuant to Rules 13d-1(b), or 13d-2(b) or (c), check whether the
person filing is a:</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 2in; text-align: justify; 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: 1in; text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 0.25in; text-align: left; text-indent: 0in; font-size: 10pt">(a)</TD>
    <TD STYLE="width: 0.5in; text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">Broker or dealer registered under Section 15 of the Exchange Act;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(b)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">Bank as defined in Section 3(a)(6) of the Exchange Act;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(c)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">Insurance company as defined in Section 3(a)(19) of the Exchange Act;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(d)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">Investment company registered under Section 8 of the Investment Company Act;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(e)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">An investment adviser in accordance with Rule 13d-1(b)(1)(ii)(E);</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(f)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">An employee benefit plan or endowment fund in accordance with Rule 13d-1(b)(1)(ii)(F);</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(g)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">A parent holding company or control person in accordance with Rule 13d-1(b)(1)(ii)(G);</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(h)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">A savings association as defined in Section 3(b) of the Federal Deposit Insurance Act;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(i)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">A church plan that is excluded from the definition of an investment company under Section 3(c)(14) of the Investment Company Act;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(j)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">A non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J);</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">(k)</TD>
    <TD STYLE="text-align: center; font-size: 10pt"><FONT STYLE="font-family: Wingdings; font-size: 10pt">&uml;</FONT></TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">Group, in accordance with Rule 13d-1(b)(1)(ii)(K).</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: center; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="text-align: left; text-indent: 0in; font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="3" STYLE="text-align: left; text-indent: 0in; font-size: 10pt">If filing as a non-U.S. institution in accordance with Rule 13d-1(b)(1)(ii)(J), please specify the type of institution: ____________.</TD></TR>
</TABLE>
<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"><TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page
 11 of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
</TABLE></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></B></P>

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0"></TD><TD STYLE="width: 1in; text-align: left"><B>Item</B> <B>4</B></TD><TD STYLE="text-align: justify"><B>Ownership</B></TD>
</TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in; text-align: left">A.</TD><TD STYLE="text-align: justify">Citadel Securities LLC</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 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: 1.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD STYLE="text-align: left">Citadel Securities LLC may be deemed to beneficially own 418,621 shares of common stock.</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 1.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD STYLE="text-align: left">The number of shares that Citadel Securities LLC may be deemed to beneficially own constitutes approximately
1.7% of the common stock outstanding.</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">Number of shares as to which such person has:</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in">&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: 2in"></TD><TD STYLE="width: 0.5in">(i)</TD><TD STYLE="text-align: justify">sole power to vote or to direct the vote: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(ii)</TD><TD STYLE="text-align: justify">shared power to vote or to direct the vote: 418,621</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iii)</TD><TD STYLE="text-align: justify">sole power to dispose or to direct the disposition of: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iv)</TD><TD STYLE="text-align: justify">shared power to dispose or to direct the disposition of: 418,621</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in; text-align: left">B.</TD><TD STYLE="text-align: justify">CALC IV LP and Citadel Securities GP LLC</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 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: 1.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD STYLE="text-align: left">Each of CALC IV LP and Citadel Securities GP LLC may be deemed to beneficially own 418,740 shares
of common stock.</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 1.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD STYLE="text-align: left">The number of shares that each of CALC IV LP and Citadel Securities GP LLC may be deemed to beneficially
own constitutes approximately 1.7% of the common stock outstanding.</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">Number of shares as to which such person has:</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in">&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: 2in"></TD><TD STYLE="width: 0.5in">(i)</TD><TD STYLE="text-align: justify">sole power to vote or to direct the vote: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(ii)</TD><TD STYLE="text-align: justify">shared power to vote or to direct the vote: 418,740</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iii)</TD><TD STYLE="text-align: justify">sole power to dispose or to direct the disposition of: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iv)</TD><TD STYLE="text-align: justify">shared power to dispose or to direct the disposition of: 418,740</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in; text-align: left">C.</TD><TD STYLE="text-align: justify">Citadel Advisors LLC, Citadel Advisors Holdings LP and
Citadel GP LLC</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 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: 1.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD STYLE="text-align: left">Each of Citadel Advisors, Citadel Advisors Holdings LP and Citadel GP LLC may be deemed to beneficially
own 0 shares of common stock.</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 1.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD STYLE="text-align: left">The number of shares that each of Citadel Advisors, Citadel Advisors Holdings LP and Citadel GP LLC
may be deemed to beneficially own constitutes 0% of the common stock outstanding.</TD></TR></TABLE>

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


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

<TABLE CELLSPACING="0" CELLPADDING="0" STYLE="font: 10pt Times New Roman, Times, Serif; width: 100%; border-collapse: collapse">
<TR>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page <FONT STYLE="font-family: Times New Roman, Times, Serif">12</FONT> of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
</TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">Number of shares as to which such person has:</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in">&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: 2in"></TD><TD STYLE="width: 0.5in">(i)</TD><TD STYLE="text-align: justify">sole power to vote or to direct the vote: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(ii)</TD><TD STYLE="text-align: justify">shared power to vote or to direct the vote: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iii)</TD><TD STYLE="text-align: justify">sole power to dispose or to direct the disposition of: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iv)</TD><TD STYLE="text-align: justify">shared power to dispose or to direct the disposition of: 0</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1in"></TD><TD STYLE="width: 0.5in; text-align: left">D.</TD><TD STYLE="text-align: justify">Kenneth Griffin</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 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: 1.5in"></TD><TD STYLE="width: 0.5in">(a)</TD><TD STYLE="text-align: left">Mr. Griffin may be deemed to beneficially own 418,740 shares of common stock.</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 1.5in"></TD><TD STYLE="width: 0.5in">(b)</TD><TD STYLE="text-align: left">The number of shares that Mr. Griffin may be deemed to beneficially own constitutes approximately
1.7% of the common stock outstanding.</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; font: 10pt Times New Roman, Times, Serif; margin-top: 0pt; margin-bottom: 0pt"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 1.5in"></TD><TD STYLE="width: 0.5in; text-align: left">(c)</TD><TD STYLE="text-align: justify">Number of shares as to which such person has:</TD>
</TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-align: justify; text-indent: 0.5in">&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: 2in"></TD><TD STYLE="width: 0.5in">(i)</TD><TD STYLE="text-align: justify">sole power to vote or to direct the vote: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(ii)</TD><TD STYLE="text-align: justify">shared power to vote or to direct the vote: 418,740</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iii)</TD><TD STYLE="text-align: justify">sole power to dispose or to direct the disposition of: 0</TD></TR></TABLE>

<P STYLE="margin-top: 0pt; margin-bottom: 0pt; font: 10pt Times New Roman, Times, Serif">&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: 2in"></TD><TD STYLE="width: 0.5in">(iv)</TD><TD STYLE="text-align: justify">shared power to dispose or to direct the disposition of: 418,740</TD></TR></TABLE>

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


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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; 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>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page
 13 of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
</TABLE>

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

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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"><B>Item 5</B></TD><TD><B>Ownership of Five Percent or Less of a Class<BR>
</B>If this statement is being filed to report the fact that as of the date hereof the reporting person has ceased to be the beneficial
owner of more than 5 percent of the class of securities, check the following <FONT STYLE="font-family: Wingdings">&#120;</FONT>.</TD></TR></TABLE>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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"><B>Item 6</B></TD><TD><B>Ownership of More than Five Percent on Behalf of Another Person</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in">Not Applicable</P>

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

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="width: 100%; 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"><B>Item 7</B></TD><TD><B>Identification and Classification of the Subsidiary which Acquired the Security Being Reported on by the Parent Holding
Company</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in">See Item 2 above</P>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: -1in"><B>&nbsp;</B></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"><B>Item 8</B></TD><TD><B>Identification and Classification of Members of the Group</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in">Not Applicable</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"><B>Item 9</B></TD><TD><B>Notice of Dissolution of Group</B></TD></TR></TABLE>

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0 0pt 1in; text-indent: 0in">Not Applicable</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: 0.9in"><B>Item 10</B></TD><TD><B>Certification<BR>
</B>By signing below I certify that, to the best of my knowledge and belief, the securities referred to above were not acquired
and are not held for the purpose of or with the effect of changing or influencing the control of the issuer of the securities and
were not acquired and are not held in connection with or as a participant in any transaction having that purpose or effect.</TD></TR></TABLE>



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

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

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<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; 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>
    <TD STYLE="border: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 26%"><FONT STYLE="font-size: 10pt; font-variant: small-caps">CUSIP No.</FONT> <FONT STYLE="font-size: 10pt">767292105</FONT></TD>
    <TD STYLE="border-right: Black 1pt solid; padding: 2; font-size: 10pt; text-align: center; width: 43%"><FONT STYLE="font-size: 10pt"><B>13G/A</B></FONT></TD>
    <TD STYLE="text-align: center; border-top: Black 1pt solid; border-right: Black 1pt solid; border-bottom: Black 1pt solid; padding: 2; font-size: 10pt; width: 31%"><FONT STYLE="font-size: 10pt">Page
 14 of <FONT STYLE="font-family: Times New Roman, Times, Serif">14 Pages</FONT></FONT></TD></TR>
</TABLE>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: justify; text-indent: 0.5in">After reasonable inquiry
and to the best of its knowledge and belief, the undersigned certify that the information set forth in this statement is true,
complete and correct.</P>

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

<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0">Dated this 14<SUP>th</SUP> day of February, 2020.</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 COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>CITADEL SECURITIES LLC</B></FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>CITADEL ADVISORS LLC</B></FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="width: 5%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 43%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 4%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 5%; font-size: 10pt">&nbsp;</TD>
    <TD STYLE="width: 43%; font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ Guy Miller</FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ David Glockner</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Guy Miller, Authorized Signatory</FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">David Glockner, Authorized Signatory</FONT></TD></TR>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
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    <TD COLSPAN="2" STYLE="font-size: 10pt"><P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0"><B>CALC IV LP</B></P>


</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>CITADEL ADVISORS HOLDINGS LP</B></FONT></TD></TR>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
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    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ Guy Miller</FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ David Glockner</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Guy Miller, Authorized Signatory</FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">David Glockner, Authorized Signatory</FONT></TD></TR>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
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    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>CITADEL SECURITIES GP LLC</B></FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>CITADEL GP LLC</B></FONT></TD></TR>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ Guy Miller</FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ David Glockner</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">Guy Miller, Authorized Signatory</FONT></TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">David Glockner, Authorized Signatory</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD COLSPAN="2" STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt"><B>KENNETH GRIFFIN</B></FONT></TD></TR>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD></TR>
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    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">By:</FONT></TD>
    <TD STYLE="border-bottom: Black 1pt solid; font-size: 10pt"><FONT STYLE="font-size: 10pt">/s/ David Glockner</FONT></TD></TR>
<TR STYLE="vertical-align: top">
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt">&nbsp;</TD>
    <TD STYLE="font-size: 10pt"><FONT STYLE="font-size: 10pt">David Glockner, attorney-in-fact<FONT STYLE="font-family: Times New Roman, Times, Serif"><U><SUP>*</SUP></U></FONT></FONT></TD></TR>
</TABLE>
<P STYLE="font: 10pt Times New Roman, Times, Serif; margin: 0pt 0; text-align: right"><B>&nbsp;</B></P>

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

<!-- Field: Rule-Page --><DIV ALIGN="LEFT" STYLE="margin-top: 0; margin-bottom: 0"><DIV STYLE="font-size: 1pt; border-top: Black 1pt solid; width: 25%">&nbsp;</DIV></DIV><!-- Field: /Rule-Page -->

<TABLE CELLPADDING="0" CELLSPACING="0" STYLE="font: 10pt Times New Roman, Times, Serif; margin-top: 0; margin-bottom: 0; width: 100%"><TR STYLE="vertical-align: top; text-align: justify">
<TD STYLE="width: 0%"></TD><TD STYLE="width: 0.5in; text-align: left"><FONT STYLE="font-family: Times New Roman, Times, Serif"><U><SUP>*</SUP></U></FONT></TD><TD STYLE="text-align: justify"><P STYLE="margin: 0pt 0; font: 10pt Times New Roman, Times, Serif">David Glockner is signing on behalf of Kenneth Griffin as attorney-in-fact
pursuant to a power of attorney previously filed with the Securities and Exchange Commission, and hereby incorporated by reference
herein. The power of attorney was filed as an attachment to a filing by Citadel Advisors LLC on Schedule 13G for Roku, Inc. on
January 17, 2018.</P>


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