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<SEC-DOCUMENT>0001019687-09-000713.txt : 20090303
<SEC-HEADER>0001019687-09-000713.hdr.sgml : 20090303
<ACCEPTANCE-DATETIME>20090303131614
ACCESSION NUMBER:		0001019687-09-000713
CONFORMED SUBMISSION TYPE:	SC 13D/A
PUBLIC DOCUMENT COUNT:		1
FILED AS OF DATE:		20090303
DATE AS OF CHANGE:		20090303

SUBJECT COMPANY:	

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			ENERGY FOCUS, INC/DE
		CENTRAL INDEX KEY:			0000924168
		STANDARD INDUSTRIAL CLASSIFICATION:	ELECTRIC LIGHTING & WIRING EQUIPMENT [3640]
		IRS NUMBER:				943021850
		STATE OF INCORPORATION:			DE
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	005-48205
		FILM NUMBER:		09650638

	BUSINESS ADDRESS:	
		STREET 1:		32000 AURORA ROAD
		CITY:			SOLON
		STATE:			OH
		ZIP:			44139
		BUSINESS PHONE:		5104900719

	MAIL ADDRESS:	
		STREET 1:		32000 AURORA ROAD
		CITY:			SOLON
		STATE:			OH
		ZIP:			44139

	FORMER COMPANY:	
		FORMER CONFORMED NAME:	FIBERSTARS INC /CA/
		DATE OF NAME CHANGE:	19940527

FILED BY:		

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			Quercus Trust
		CENTRAL INDEX KEY:			0001403463
		IRS NUMBER:				552829330
		STATE OF INCORPORATION:			CA
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		SC 13D/A

	BUSINESS ADDRESS:	
		STREET 1:		2309 SANTIAGO DRIVE
		CITY:			NEWPORT BEACH
		STATE:			CA
		ZIP:			92660
		BUSINESS PHONE:		310-201-7481

	MAIL ADDRESS:	
		STREET 1:		2309 SANTIAGO DRIVE
		CITY:			NEWPORT BEACH
		STATE:			CA
		ZIP:			92660
</SEC-HEADER>
<DOCUMENT>
<TYPE>SC 13D/A
<SEQUENCE>1
<FILENAME>quercus_energy13da6-022609.htm
<DESCRIPTION>QUERCUS-ENERGY FOCUS
<TEXT>
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29268T102</font>

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D.C. 20549</font></div>
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13D/A</font></div>
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No. 6)</font></div>
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the Securities Exchange Act of 1934</font></div>
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Focus, Inc.</font></div>
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of Issuer)</font></div>
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Stock, par value $0.0001</font></div>
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of Class of Securities)</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(CUSIP
Number)</font></div>
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P. Bartlett</font></div>
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Law Offices of Joseph P. Bartlett, A Professional Corporation</font></div>
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Avenue of the Stars, 19<font style="DISPLAY: inline; FONT-SIZE: 70%; VERTICAL-ALIGN: super">th</font>
Fl.</font></div>
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Angeles, CA 90067</font></div>
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201-7553</font></div>
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Address and Telephone Number of Person Authorized to Receive
Notices</font></div>
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Communications)</font></div>
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26, 2009</font></div>
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of Event which Requires Filing of this Statement)</font></div>
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reporting person has previously filed a statement on Schedule 13G to report the
acquisition that is the subject of this Schedule&#160;13D, and is filing this
schedule because of Sections 240.13d-1(e), 240.13d-1(f) or 240.13d-1(g), check
the following box&#160;/ /.</font></div>
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Schedules filed in paper format shall include a signed original and five copies
of the schedule, including all exhibits. See Section 240.13d-7(b) for other
parties to whom copies are to be sent.</font></div>
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remainder of this cover page shall be filled out for a reporting person&#8217;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.</font></div>
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information required on the remainder of this cover page shall not be deemed to
be &#8220;filed&#8221; for the purpose of Section 18 of the Securities Exchange Act of 1934
(&#8220;Act&#8221;) 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).</font></div>
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29268T102</font></div>
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    <div>&#160;</div>
    <div>&#160;</div>
    <div>
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                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
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                <td colspan="3" width="80%">
                  <div><font size="2">Name of Reporting Person</font></div>
                  <div><font size="2">S.S. or I.R.S. Identification No. of Above
      Person</font></div>
                  <div>&#160;</div>
                  <div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">David Gelbaum, Trustee, The Quercus
      Trust</font></div>
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                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
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                <td width="10%"><font size="2">(2)</font></td>
                <td colspan="3" width="80%"><font size="2">Check the Appropriate Box if a
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                  <div><font size="2">(A)</font><font id="TAB2" size="3" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/X/</font></div>
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                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
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                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">SEC
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                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
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                <td width="10%"><font size="2">(4)</font></td>
                <td colspan="3" width="80%">
                  <div><font size="2">Source of Funds (See Instructions)</font></div>
                  <div>&#160;</div>
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                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">PF</font></div>
                  </div>
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                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(5)</font></div>
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                <td colspan="3" width="80%"><font size="2">Check if Disclosure of Legal
      Proceedings is Required Pursuant to&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Items
      2(d) or 2(e)</font></td>
                <td width="10%">/&#160;&#160;/</td>
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                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
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                <td width="10%">&#160;</td>
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                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td valign="top" width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(7)</font></div>
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                <td width="60%">
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      Voting Power</font></div>
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                </td>
                <td width="10%">&#160;</td>
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                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
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                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
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                <td colspan="2" width="20%"><font size="2">Person With</font></td>
                <td valign="top" width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(9)</font></div>
                </td>
                <td width="60%">
                  <div><font size="2">Sole Dispositive Power</font></div>
                  <div><font size="2">-0-</font></div>
                </td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td valign="top" width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(10)</font></div>
                </td>
                <td width="60%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Shared
      Dispositive Power<br></font>

                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                    </div>
                  </div>
                </td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td valign="top" width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(11)</font></div>
                </td>
                <td colspan="3" width="80%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Aggregate
      Amount Beneficially Owned by Each Reporting Person</font></div>
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
                    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                      </div>
                    </div>
                  </div>
                </td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(12)</font></div>
                </td>
                <td colspan="3" width="80%"><font size="2">Check if the Aggregate Amount in
      Row (11) Excludes Certain Shares (See Instructions)</font></td>
                <td width="10%"><font size="2">/&#160; /</font></td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td valign="top" width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(13)</font></div>
                </td>
                <td colspan="3" width="80%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Percent
      of Class Represented by Amount in Row (11)</font></div>
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">19.9%(1)</font></div>
                </td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="10%">&#160;</td>
                <td width="60%">&#160;</td>
                <td width="10%">&#160;</td>
              </tr>
              <tr bgcolor="white">
                <td valign="top" width="10%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(14)</font></div>
                </td>
                <td colspan="3" width="80%">
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Type
      of Reporting Person (See Instructions)</font></div>
                  <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">IN</font></div>
                </td>
                <td width="10%">&#160;</td>
              </tr>
          </table>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
          <div><br>______________</div>
        </div>
      </div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(1)&#160;&#160;&#160;&#160;&#160;<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">See Item
5(a) of this Amendment No. 6 for a detailed explanation of the shares of
beneficial ownership and percentage ownership of the Reporting
Persons.</font></font></div>
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
        </div>
      </div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">
          </div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">2</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="1">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">
          </div>
          <div style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">CUSIP
No. 29268T102</font></div>
        </div>
      </div>
      <div>&#160;</div>
      <div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
          <div>&#160;</div>
          <div align="center">
            <table bgcolor="white" cellpadding="0" cellspacing="0" width="100%">
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div><font size="2">Name of Reporting Person</font></div>
                    <div><font size="2">S.S. or I.R.S. Identification No. of Above
      Person</font></div>
                    <div>&#160;</div>
                    <div>
                      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">Monica Chavez Gelbaum, Trustee, The Quercus
      Trust</font></div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%"><font size="2">(2)</font></td>
                  <td colspan="3" width="80%"><font size="2">Check the Appropriate Box if a
      Member of a Group (See Instructions)</font></td>
                  <td width="10%">
                    <div><font size="2">(A)</font><font id="TAB2" size="3" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/X/</font></div>
                    <div><font size="2">(B)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/&#160;&#160;
      /</font></div>
                  </td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(3)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">SEC
      Use Only</font>&#160;</div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%"><font size="2">(4)</font></td>
                  <td colspan="3" width="80%">
                    <div><font size="2">Source of Funds (See Instructions)</font></div>
                    <div>&#160;</div>
                    <div>
                      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">PF</font></div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(5)</font></div>
                  </td>
                  <td colspan="3" width="80%"><font size="2">Check if Disclosure of Legal
      Proceedings is Required Pursuant to&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Items
      2(d) or 2(e)</font></td>
                  <td width="10%">/&#160;&#160;/</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(6)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div><font size="2">Citizenship or Place of Organization</font></div>
                    <div>&#160;</div>
                    <div>
                      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">U.S.</font></div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(7)</font></div>
                  </td>
                  <td width="60%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Sole
      Voting Power</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">-0-</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">Number of Shares</font></td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">Beneficially Owned</font>&#160;</td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(8)</font></div>
                  </td>
                  <td width="60%">
                    <div><font size="2">Shared Voting Power</font></div>
                    <div>
                      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                      </div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">by Each Reporting</font></td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">Person With</font></td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(9)</font></div>
                  </td>
                  <td width="60%">
                    <div><font size="2">Sole Dispositive Power</font></div>
                    <div><font size="2">-0-</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(10)</font></div>
                  </td>
                  <td width="60%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Shared
      Dispositive Power<br></font>

                      <div>
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                        </div>
                      </div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(11)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Aggregate
      Amount Beneficially Owned by Each Reporting Person</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
                      <div>
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                        </div>
                      </div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(12)</font></div>
                  </td>
                  <td colspan="3" width="80%"><font size="2">Check if the Aggregate Amount in
      Row (11) Excludes Certain Shares (See Instructions)</font></td>
                  <td width="10%"><font size="2">/&#160; /</font></td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(13)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Percent
      of Class Represented by Amount in Row (11)</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">19.9%(1)</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(14)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Type
      of Reporting Person (See Instructions)</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">IN</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
            </table>
          </div>
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
            <div><br>______________

              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(1)&#160;&#160;&#160;&#160;&#160;<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">See Item
5(a) of this Amendment No. 6 for a detailed explanation of the shares of
beneficial ownership and percentage ownership of the Reporting
Persons.</font></font></div>
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
                </div>
              </div>
            </div>
          </div>
        </div>
      </div>
      <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
        <div id="FTR">
          <div id="GLFTR" style="WIDTH: 100%" align="left">
          </div>
        </div>
        <div id="PN" style="PAGE-BREAK-AFTER: always">
          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">3</font></div>
          <div style="WIDTH: 100%; TEXT-ALIGN: center">
            <hr style="COLOR: black" noshade size="1">
          </div>
        </div>
        <div id="HDR">
          <div id="GLHDR" style="WIDTH: 100%" align="right">
          </div>
          <div style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">CUSIP
No. 29268T102</font></div>
        </div>
      </div>
      <div>&#160;</div>
      <div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">
          <div>&#160;</div>
          <div align="center">
            <table bgcolor="white" cellpadding="0" cellspacing="0" width="100%">
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div><font size="2">Name of Reporting Person</font></div>
                    <div><font size="2">S.S. or I.R.S. Identification No. of Above
      Person</font></div>
                    <div>&#160;</div>
                    <div>
                      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">The Quercus Trust</font></div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%"><font size="2">(2)</font></td>
                  <td colspan="3" width="80%"><font size="2">Check the Appropriate Box if a
      Member of a Group (See Instructions)</font></td>
                  <td width="10%">
                    <div><font size="2">(A)</font><font id="TAB2" size="3" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/X/</font></div>
                    <div><font size="2">(B)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/&#160;&#160;
      /</font></div>
                  </td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(3)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">SEC
      Use Only</font>&#160;</div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%"><font size="2">(4)</font></td>
                  <td colspan="3" width="80%">
                    <div><font size="2">Source of Funds (See Instructions)</font></div>
                    <div>&#160;</div>
                    <div>
                      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">PF</font></div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(5)</font></div>
                  </td>
                  <td colspan="3" width="80%"><font size="2">Check if Disclosure of Legal
      Proceedings is Required Pursuant to&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Items
      2(d) or 2(e)</font></td>
                  <td width="10%">/&#160;&#160;/</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(6)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div><font size="2">Citizenship or Place of Organization</font></div>
                    <div>&#160;</div>
                    <div>
                      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">U.S.</font></div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(7)</font></div>
                  </td>
                  <td width="60%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Sole
      Voting Power</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">-0-</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">Number of Shares</font></td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">Beneficially Owned</font>&#160;</td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(8)</font></div>
                  </td>
                  <td width="60%">
                    <div><font size="2">Shared Voting Power</font></div>
                    <div>
                      <div>
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                        </div>
                      </div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">by Each Reporting</font></td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td colspan="2" width="20%"><font size="2">Person With</font></td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(9)</font></div>
                  </td>
                  <td width="60%">
                    <div><font size="2">Sole Dispositive Power</font></div>
                    <div><font size="2">-0-</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(10)</font></div>
                  </td>
                  <td width="60%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Shared
      Dispositive Power<br></font>

                      <div>
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                        </div>
                      </div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(11)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Aggregate
      Amount Beneficially Owned by Each Reporting Person</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
                      <div>
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(1)</font></div>
                        </div>
                      </div>
                    </div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(12)</font></div>
                  </td>
                  <td colspan="3" width="80%"><font size="2">Check if the Aggregate Amount in
      Row (11) Excludes Certain Shares (See Instructions)</font></td>
                  <td width="10%"><font size="2">/&#160; /</font></td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(13)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Percent
      of Class Represented by Amount in Row (11)</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">19.9%(1)</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="10%">&#160;</td>
                  <td width="60%">&#160;</td>
                  <td width="10%">&#160;</td>
                </tr>
                <tr bgcolor="white">
                  <td valign="top" width="10%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">(14)</font></div>
                  </td>
                  <td colspan="3" width="80%">
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Type
      of Reporting Person (See Instructions)</font></div>
                    <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font size="2">OO</font></div>
                  </td>
                  <td width="10%">&#160;</td>
                </tr>
            </table>
          </div>
          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
            <div>&#160;</div>
            <div>______________

              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(1)&#160;&#160;&#160;&#160;&#160;<font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">See Item
5(a) of this Amendment No. 6 for a detailed explanation of the shares of
beneficial ownership and percentage ownership of the Reporting
Persons.</font></font></div>
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
                </div>
              </div>
            </div>
            <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                  <div id="FTR">
                    <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
                  </div>
                  <div id="PN" style="PAGE-BREAK-AFTER: always">
                    <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">4</font></div>
                    <div style="WIDTH: 100%; TEXT-ALIGN: center">
                      <hr style="COLOR: black" noshade size="1">
                    </div>
                  </div>
                  <div id="HDR">
                    <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
                    <div style="WIDTH: 100%" align="left">
                      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
                        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">CUSIP No.
29268T102</font></div>
                      </div>
                    </div>
                  </div>
                  <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
                </div>
              </div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
1.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>This Amendment No. 6 to Schedule 13D
(this &#8220;Amendment No. 6&#8221;) amends and restates, where indicated, the statement on
Schedule 13D relating to the Common Stock, par value $0.0001 per share (&#8220;Common
Stock&#8221;) of the Issuer filed by The Quercus Trust, David Gelbaum and Monica
Chavez Gelbaum (the &#8220;Reporting Persons&#8221;) with the Securities and Exchange
Commission on August 31, 2007 (the &#8220;Initial Schedule 13D&#8221;) and prior amendments
thereto.&#160;&#160;Capitalized terms used in this Amendment No. 6 but not
otherwise defined herein have the meanings given to them in the Initial Schedule
13D or prior amendments thereto.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>This Amendment No. 6 is being made to
report the election of David Gelbaum to the Issuer&#8217;s board
of&#160;&#160;directors (the &#8220;Board&#8221;) on February 26, 2009.&#160;&#160;On that
same date, the Issuer awarded to Mr. Gelbaum a non-statutory option under the
Company&#8217;s 2008 Stock Incentive Plan to purchase 10,000 shares of Common Stock at
an exercise price per share of $1.05 (the &#8220;Option&#8221;).&#160;&#160;The Option has a
term of ten years and vests and becomes exercisable in twelve equal monthly
installments beginning on the first month after the award.&#160;&#160;Except as
otherwise set forth herein, this Amendment No. 6 does not modify any of the
information previously reported by the Reporting Persons in the Initial Schedule
13D or prior amendments thereto.</font></div>
                <div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25"><br></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
4.&#160;&#160;Purpose of Transaction</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">As
previously disclosed in the Initial Schedule 13D, the Reporting Persons
purchased securities of the Issuer for investment purposes
only.&#160;&#160;While Mr. Gelbaum has no current plan or intention to do so, he
reserves the right, in his capacity as a director or otherwise, to propose that
the Board consider from time to time one or more of the actions set forth in
paragraphs (a) through (j) of Item 4 of Schedule 13D.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Except as
set forth herein, the Reporting Persons do not have any plans or proposals which
would relate to or result in any of the actions described in subparagraphs (a)
through (j) of Item 4 of Schedule 13D.&#160;&#160;However, the Reporting Persons
retain their right to modify their plans with respect to the transactions
described in this Amendment No. 6, to vote, acquire or dispose of securities of
the Issuer and to formulate plans and proposals which could result in the
occurrence of any such events, subject to applicable laws and
regulations.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
5.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Interest
in Securities of the Issuer</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(a)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">As of the
date of this Amendment No. 6, the Reporting Persons owns 2,685,479 shares of
Common Stock, currently exercisable warrant to purchase up to 1,560,062 shares
of Common Stock (the &#8220;Warrant&#8221;), and the Option described in Item 1 of this
Amendment No. 6.&#160;&#160;Without any limitation on exercise of the Warrant
and because the Option has yet to vest as of the date of this Amendment No. 6,
the Reporting Persons may be deemed beneficial owners of a combined total of
4,245,541 shares of Common Stock, representing 25.9% of total outstanding Common
Stock (including Common Stock issuable upon exercise of the
Warrant).&#160;&#160;However, in accordance with the limitations on exercise in
the Warrant, a form of which is attached to Amendment No. 4 filed on 3/21/2008,
the number of shares of Common Stock that may be acquired by the Reporting
Persons upon any exercise of the Warrant is limited to the extent necessary to
insure that, following such exercise, the total number of Common Stock then
beneficially owned by the Reporting Persons does not exceed 19.9% of the total
outstanding Common Stock (including the Common Stock issuable upon such
exercise).&#160;&#160;Therefore, in calculating beneficial ownership and
percentage of beneficial ownership in accordance with Rule 13D, the Reporting
Persons shall be deemed beneficial owners of that certain number of Common Stock
which would represent a maximum of 19.9% of total outstanding Common
Stock.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(b)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
Reporting Persons have shared voting and dispositive power with respect to their
shares of Common Stock.&#160;&#160;Each of David Gelbaum and Monica Chavez
Gelbaum, acting alone, has the power to exercise voting and investment control
over shares of Common Stock beneficially owned by the Trust.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(c)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Not
applicable.</font></div>
                <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
                <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
                  <div id="FTR">
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                  <div id="PN" style="PAGE-BREAK-AFTER: always">
                    <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">5</font></div>
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                      <hr style="COLOR: black" noshade size="1">
                      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">CUSIP No.
29268T102</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
      <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(a)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 9pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Not
applicable.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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        <table align="center" border="0" cellpadding="0" cellspacing="0" id="hangingindent" width="100%">
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                <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(e)</font></div>
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      applicable.</font></div>
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            </tr>
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      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
6.&#160;&#160;&#160;&#160;Contracts, Arrangements, Understandings or
Relationships With </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Respect
to Securities of the Issuer</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(a)&#160;Pursuant
to the Power of Attorney filed as Exhibit &#8220;B&#8221; to Amendment No. 1 to Schedule 13D
filed on August 24, 2007 with respect to the issuer Emcore Corp., David Gelbaum
has been appointed as Monica Chavez Gelbaum&#8217;s Attorney-In-Fact.</font></div>
      <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
7.&#160; Material to Be Filed as Exhibits</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Exhibit
A:&#160;&#160;Agreement Regarding Joint Filing of Amendment No.&#160;6 to
Schedule 13D.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25"><br></div>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left">
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      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">6</font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
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        </div>
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      <div id="HDR">
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          <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">CUSIP No.
29268T102</font></div>
        </div>
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    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">SIGNATURE</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">After
reasonable inquiry and to the best of its knowledge and belief, each of the
undersigned certifies that the information set forth in this statement is true,
complete and correct and agrees that this statement may be filed jointly with
the other undersigned parties.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">
    </div>
    <div>&#160;</div>
    <div align="center">
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          <tr>
            <td width="50%" style="PADDING-BOTTOM: 2px"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Dated: March 2,
      2009</font></td>
            <td width="50%" style="BORDER-BOTTOM: black 2px solid"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ David
      Gelbaum&#160;</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">David Gelbaum,
      Co-Trustee of The Quercus Trust</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%" style="PADDING-BOTTOM: 2px"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%" style="BORDER-BOTTOM: black 2px solid"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ David Gelbaum,
      as Attorney-In-Fact for Monica Chavez Gelbaum</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Monica Chavez
      Gelbaum, Co-Trustee of The Quercus Trust</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%" style="PADDING-BOTTOM: 2px"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%" style="BORDER-BOTTOM: black 2px solid"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ David
      Gelbaum&#160;&#160;</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">The Quercus Trust,
      David Gelbaum, Co-Trustee of The Quercus
Trust</font></td>
          </tr>
      </table>
    </div>
    <div>&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font><br>
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          <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
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          <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">7</font></div>
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</font></div>
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            <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
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29268T102</font></div>
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          </div>
        </div>
        <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
      </div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Exhibit
A</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; TEXT-DECORATION: underline">Agreement Regarding Joint
Filing of Amendment No.&#160;6 to Schedule 13D</font></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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undersigned agree that the Amendment No.&#160;6 to Schedule 13D with respect to
the Common Stock of Energy Focus, Inc. is a joint filing being made on their
behalf.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
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          <tr>
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      Gelbaum&#160;&#160;</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">David Gelbaum,
      Co-Trustee of The Quercus Trust</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%" style="PADDING-BOTTOM: 2px"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%" style="BORDER-BOTTOM: black 2px solid"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ David Gelbaum,
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          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Monica Chavez
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          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
          </tr>
          <tr>
            <td width="50%" style="PADDING-BOTTOM: 2px"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%" style="BORDER-BOTTOM: black 2px solid"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">/s/ David
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          </tr>
          <tr>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td width="50%"><font style="FONT-SIZE: 10pt; FONT-FAMILY: times new roman">The Quercus Trust,
      David Gelbaum, Co-Trustee of The Quercus
Trust</font></td>
          </tr>
      </table>
    </div>
    <div>&#160;</div>
    <div>&#160;</div>
    <div>&#160;</div>
    <div style="TEXT-ALIGN: center"><font style="FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">8</font></div>
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