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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-SIZE: 10pt; FONT-FAMILY: Times New Roman">UNITED
      STATES</font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">SECURITIES
      AND EXCHANGE COMMISSION</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">Washington,
      D.C. 20549</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-SIZE: 10pt; FONT-FAMILY: Times New Roman">FORM
      8-K</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">CURRENT
      REPORT</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-SIZE: 10pt; FONT-FAMILY: Times New Roman">PURSUANT
      TO SECTION 13 OR 15(d) OF THE</font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">SECURITIES
      EXCHANGE ACT OF 1934</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-SIZE: 10pt; FONT-FAMILY: Times New Roman">Date
      of
      Report (Date of earliest event reported)</font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">June
      30,
      2006</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">STRUCTURED
      ASSET SECURITIES CORPORATION (as Depositor under the Trust Agreement, dated
      as
      of June 1, 2006, providing for the issuance of Lehman XS Trust Mortgage
      Pass-Through Certificates, Series 2006-GP3)</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-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman"><u>&#160;&#160;&#160;&#160;&#160;&#160;&#160;Lehman
      XS Trust, Series 2006-GP3&#160;&#160;&#160;&#160;</u></font></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-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">(Issuing
      Entity)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></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-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman"><u>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Structured
      Asset Securities
      Corporation&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</u></font></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-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">(Exact
      Name of Depositor as Specified in its Charter)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></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-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman"><u>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Lehman
      Brothers Holdings Inc.&#160;
&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</u></font></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-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">(Exact
      Name of Sponsor as Specified in its Charter)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></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-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Structured
      Asset Securities
      Corporation&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</u></font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Exact
      Name of Registrant as Specified in its Charter)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td valign="top" width="27%" style="border-bottom: medium none;">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Delaware</u></font></div>
            </td>
            <td valign="top" width="27%" style="border-bottom: medium none;">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>333-129480</u></font></div>
            </td>
            <td valign="top" width="27%" style="border-bottom: medium none;">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>74-2440850</u></font></div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(State
                or Other Jurisdiction </font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">Of
                Incorporation)</font></div>
            </td>
            <td valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Commission</font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">File
                Number)</font></div>
            </td>
            <td valign="top" width="27%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(I.R.S.
                Employer </font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman">Identification
                No.)</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

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            <td valign="top" width="34%" style="border-bottom: medium none;">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">745
                Seventh Avenue, 7</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><sup>th</sup></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
                Floor</font></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-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>New
                York, NY </u></font></div>
            </td>
            <td valign="top" width="12%" style="border-bottom: medium none;">&#160;</td>
            <td valign="top" width="34%" style="border-bottom: medium none;">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><u><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">10019</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font></u></div>
            </td>
          </tr>
          <tr>
            <td valign="top" width="34%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Address
                of Principal Executive Offices)</font></div>
            </td>
            <td valign="top" width="12%">&#160;</td>
            <td valign="top" width="34%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Zip
                Code)</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; 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-SIZE: 10pt; FONT-FAMILY: Times New Roman">Registrant&#8217;s
      telephone number, including area code: (212) 526-7000</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-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>&#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;
      No
      Change&#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;</u></font></div><br>
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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-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Former
      Name or Former Address, if Changed Since Last Report)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><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">Check
      the
      appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following
      provisions:</font></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 style="DISPLAY: inline; FONT-FAMILY: Wingdings">o</font>&#160;Written
      communications pursuant to Rule 425 under the Securities Act (17 CFR
      230.425)</font></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 style="FONT-FAMILY: Wingdings">o</font>&#160;Soliciting
      material pursuant to
      Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)</font></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 style="FONT-FAMILY: Wingdings">o</font>&#160;Pre-commencement
      communications
      pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
      240.14d-2(b))</font></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 style="FONT-FAMILY: Wingdings">o</font>&#160;Pre-commencement
      communications
      pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
      240.13e-4(c</font></div><br>
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          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
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        <div id="GLHDR" style="WIDTH: 100%" align="right">
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    </div><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
      5.</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Other
      Events</u></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br></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">The
      Registrant registered issuances of Lehman XS Trust Mortgage Pass-Through
      Certificates on a delayed or continuous basis pursuant to Rule 415 under the
      Securities Act of 1933, as amended (the &#8220;Act&#8221;), by a Registration Statement on
      Form S-3 (Registration File No. 333-129480 (the &#8220;Registration Statement&#8221;)).
      Pursuant to the Registration Statement, the Registrant issued $1,007,291,000
      in
      aggregate principal amount Class 1-A1, Class 1-A2, Class 2-A1, Class 2-A2,
      Class
      2-A3, Class 3-A1A, Class 3-A1B, Class 3-A2A, Class 3-A2B, Class 3-A3A, Class
      3-A3B, Class 3-A4, Class 3-A5A, Class 3-A5B, Class M1, Class M2, Class M3,
      Class
      M4, Class M5, Class M6, Class M7, Class M8, Class M9 and Class M10 Certificates
      of its Lehman XS Trust Mortgage Pass-Through Certificates, Series 2006-GP3
      on
      June 30, 2006. This Current Report on Form 8-K is being filed to satisfy an
      undertaking, contained in the definitive Prospectus, dated June 2, 2006, as
      supplemented by the Prospectus Supplement, dated June 28, 2006 (the &#8220;Prospectus
      Supplement&#8221;), to file a copy of the Trust Agreement (as defined below) executed
      in connection with the issuance of the Certificates, a form of which was filed
      as an exhibit to the Registration Statement.</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">The
      Certificates (as defined below) were issued pursuant to a Trust Agreement (the
      &#8220;Trust Agreement&#8221;), attached hereto as Exhibit 4.1, dated as of June 1, 2006,
      among Structured Asset Securities Corporation, as depositor (the &#8220;Depositor&#8221;),
      Aurora Loan Services LLC, as master servicer (the &#8220;Master Servicer&#8221;) and U.S.
      Bank National Association, as trustee (the &#8220;Trustee&#8221;). The &#8220;Certificates&#8221;
consist of the following classes: Class 1-A1, Class 1-A2, Class 2-A1, Class
      2-A2, Class 2-A3, Class 3-A1A, Class 3-A1B, Class 3-A2A, Class 3-A2B, Class
      3-A3A, Class 3-A3B, Class 3-A4, Class 3-A5A, Class 3-A5B, </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">Class</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">
      M1,
      Class M2, Class M3, Class M4, Class M5, Class M6, Class M7, Class M8, Class
      M9,
      Class M10, </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; COLOR: #000000; FONT-FAMILY: Times New Roman">Class
      X, Class P, Class C and Class R . </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      Certificates evidence all the beneficial ownership interest in a trust fund
      (the
&#8220;Trust Fund&#8221;) that consists primarily of three pools of certain adjustable rate,
      conventional, first lien, negative amortization residential mortgage loans
      (the
&#8220;Mortgage Loans&#8221;) with an aggregate outstanding principal balance of
      approximately $1,010,838,913</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">as
      of
      June 1, 2006. Capitalized terms used herein and not otherwise defined shall
      have
      the meanings assigned to them in the Trust Agreement.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><br>&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td align="left" colspan="2" valign="top" width="80%" style="border-bottom: medium none;">
              <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
                9.01. </font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Financial
                Statements and Exhibits</u></font></div>
            </td>
          </tr>

      </table>
    </div>
    <div>&#160;</div>
    <div align="left">
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td width="5%"><font size="2">(a)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 18pt">&#160;</font></td>
            <td align="left" valign="bottom" width="15%">
              <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">Not
                applicable.</font></div>
            </td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%"><font size="2">(b)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 18pt">&#160;</font></td>
            <td align="left" valign="bottom" width="15%">
              <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">Not
                applicable.</font></div>
            </td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%"><font size="2">(c)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 18pt">&#160;</font></td>
            <td align="left" valign="bottom" width="15%">
              <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">Not
                applicable.</font></div>
            </td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%"><font size="2">(d)</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 18pt">&#160;</font></td>
            <td align="left" valign="bottom" width="15%">
              <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">Exhibits:</font></div>
            </td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">
              <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">1.1</font></div>
            </td>
            <td align="left" valign="top" width="80%">
              <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">Terms
                Agreement, dated June 27, 2006, between Structured Asset Securities
                Corporation, as Depositor, and Lehman Brothers Inc., as the
                Underwriter.</font></div>
            </td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">
              <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">4.1</font></div>
            </td>
            <td align="left" valign="top" width="80%">
              <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">Trust
                Agreement, dated as of June 1, 2006, among Structured Asset Securities
                Corporation, as Depositor, Aurora Loan Services LLC, as Master Servicer
                and U.S. Bank National Association, as Trustee.</font></div>
            </td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">
              <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">99.1</font></div>
            </td>
            <td align="left" valign="top" width="80%">
              <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">Mortgage
                Loan Sale and Assignment Agreement, dated as of June 1, 2006, between
                Lehman Brothers Holdings Inc., as Seller, and Structured Asset Securities
                Corporation, as Purchaser.</font></div>
            </td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">
              <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">99.2</font></div>
            </td>
            <td align="left" valign="top" width="80%">
              <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">Reconstituted
                Servicing Agreement, dated as of June 1, 2006, by and between Lehman
                Brothers Holdings Inc. and GreenPoint Mortgage Funding, Inc.
                </font></div>
            </td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">
              <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">99.3</font></div>
            </td>
            <td align="left" valign="top" width="80%">
              <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">Flow
                Interim Servicing Agreement, dated as of April 10, 2006, by and between
                Lehman Capital, a Division of Lehman Brothers Holdings Inc. and Green
                Point Mortgage Funding, Inc.</font></div>
            </td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">
              <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">99.4</font></div>
            </td>
            <td align="left" valign="top" width="80%">
              <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">Securitization
                Servicing Agreement, dated as of June 1, 2006, by and among GMAC
                Mortgage
                Corporation, as Servicer, Lehman Brothers Holdings Inc., as Seller,
                and
                Aurora Loan Services LLC as Master Servicer.</font></div>
            </td>
          </tr>
          <tr>
            <td width="5%">&#160;</td>
            <td align="left" valign="top" width="15%">&#160;</td>
            <td align="left" valign="top" width="80%">&#160;</td>
          </tr>

      </table>
    </div><br>
    <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">
        </div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right">
        </div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>SIGNATURES</strong></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="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Pursuant
      to the requirements of the Securities Exchange Act of 1934, the Registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr>
            <td align="left" valign="top" width="35%">&#160;</td>
            <td align="left" valign="top" width="45%">
              <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">STRUCTURED
                ASSET SECURITIES CORPORATION</font></div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="35%">&#160;</td>
            <td align="left" valign="top" width="45%">&#160;</td>
          </tr>
          <tr>
            <td align="left" valign="top" width="35%">&#160;</td>
            <td align="left" valign="top" width="45%">&#160;</td>
          </tr>
          <tr>
            <td align="left" valign="top" width="35%">&#160;</td>
            <td align="left" valign="top" width="45%" style="border-bottom: #ffffff thin solid;">
              <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">By:</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 26.1pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>/s/Michael
                C. Hitzmann</u></font></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">Name:</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 26.1pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Michael
                C. Hitzmann</font></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">Title:</font><font id="TAB2" style="COLOR: black; LETTER-SPACING: 27pt">&#160;</font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Senior
                Vice President</font></div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="35%">&#160;</td>
            <td align="left" valign="top" width="45%">&#160;</td>
          </tr>
          <tr>
            <td align="left" valign="top" width="35%">
              <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">Date:
                July 14, 2006</font></div>
            </td>
            <td align="left" valign="top" width="45%">&#160;</td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div><br>
    <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">
        </div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
        </div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right">
        </div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><strong>EXHIBIT
      INDEX</strong></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">

          <tr bgcolor="white">
            <td align="left" valign="top" width="19%" style="border-bottom: white;">
              <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"><u>Exhibit
                No.</u></font></div>
            </td>
            <td colspan="2" valign="top" width="61%" style="border-bottom: white;">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><u>Description</u></font></div>
            </td>
          </tr>
          <tr bgcolor="white">
            <td align="left" valign="top" width="19%">&#160;</td>
            <td align="left" valign="top" width="61%">&#160;</td>
          </tr>
          <tr bgcolor="#ccffcc">
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 45pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">1.1</font></div>
            </td>
            <td align="left" valign="top" width="61%">
              <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">Terms
                Agreement, dated June 27, 2006, between Structured Asset Securities
                Corporation, as Depositor, and Lehman Brothers Inc., as the
                Underwriter.</font></div>
            </td>
          </tr>
          <tr bgcolor="white">
            <td align="left" valign="top" width="19%">&#160;</td>
            <td align="left" valign="top" width="61%">&#160;</td>
          </tr>
          <tr bgcolor="#ccffcc">
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 45pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">4.1</font></div>
            </td>
            <td align="left" valign="top" width="61%">
              <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">Trust
                Agreement, dated as of June 1, 2006, among Structured Asset Securities
                Corporation, as Depositor, Aurora Loan Services LLC, as Master Servicer
                and U.S. Bank National Association, as Trustee.</font></div>
            </td>
          </tr>
          <tr bgcolor="white">
            <td align="left" valign="top" width="19%">&#160;</td>
            <td align="left" valign="top" width="61%">&#160;</td>
          </tr>
          <tr bgcolor="#ccffcc">
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 45pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.1</font></div>
            </td>
            <td align="left" valign="top" width="61%">
              <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">Mortgage
                Loan Sale and Assignment Agreement, dated as of June 1, 2006, between
                Lehman Brothers Holdings Inc., as Seller, and Structured Asset Securities
                Corporation, as Purchaser.</font></div>
            </td>
          </tr>
          <tr bgcolor="white">
            <td align="left" valign="top" width="19%">&#160;</td>
            <td align="left" valign="top" width="61%">&#160;</td>
          </tr>
          <tr bgcolor="#ccffcc">
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 45pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.2</font></div>
            </td>
            <td align="left" valign="top" width="61%">
              <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">Reconstituted
                Servicing Agreement, dated as of June 1, 2006, by and between Lehman
                Brothers Holdings Inc. and GreenPoint Mortgage Funding, Inc.
                </font></div>
            </td>
          </tr>
          <tr bgcolor="white">
            <td align="left" valign="top" width="19%">&#160;</td>
            <td align="left" valign="top" width="61%">&#160;</td>
          </tr>
          <tr bgcolor="#ccffcc">
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 45pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.3</font></div>
            </td>
            <td align="left" valign="top" width="61%">
              <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">Flow
                Interim Servicing Agreement, dated as of April 10, 2006, by and between
                Lehman Capital, a Division of Lehman Brothers Holdings Inc. and Green
                Point Mortgage Funding, Inc.</font></div>
            </td>
          </tr>
          <tr bgcolor="white">
            <td align="left" valign="top" width="19%">&#160;</td>
            <td align="left" valign="top" width="61%">&#160;</td>
          </tr>
          <tr bgcolor="#ccffcc">
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><font id="TAB1" style="MARGIN-LEFT: 45pt"></font><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">99.4</font></div>
            </td>
            <td align="left" valign="top" width="61%">
              <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">Securitization
                Servicing Agreement, dated as of June 1, 2006, by and among GMAC
                Mortgage
                Corporation, as Servicer, Lehman Brothers Holdings Inc., as Seller,
                and
                Aurora Loan Services LLC as Master
                Servicer.</font></div>
            </td>
          </tr>

      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; LINE-HEIGHT: 1.25; MARGIN-RIGHT: 0pt" align="left"><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">
        </div>
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{"company-data": {"conformed-name": "Lehman XS Trust Series 2006-GP3", "cik": "0001366774", "assigned-sic": "6189", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "8-K", "act": "34", "file-number": "333-129480-16", "film-number": "06961847"}, "business-address": {"street1": "745 7TH AVENUE", "city": "NEW YORK", "state": "NY", "zip": "10019", "phone": "2125267000"}, "mail-address": {"street1": "745 7TH AVENUE", "city": "NEW YORK", "state": "NY", "zip": "10019"}}
Unassociated Document
UNITED
      STATES
SECURITIES
      AND EXCHANGE COMMISSION
Washington,
      D.C. 20549
FORM
      8-K
CURRENT
      REPORT
PURSUANT
      TO SECTION 13 OR 15(d) OF THE
SECURITIES
      EXCHANGE ACT OF 1934
Date
      of
      Report (Date of earliest event reported)
June
      30,
      2006
STRUCTURED
      ASSET SECURITIES CORPORATION (as Depositor under the Trust Agreement, dated
      as
      of June 1, 2006, providing for the issuance of Lehman XS Trust Mortgage
      Pass-Through Certificates, Series 2006-GP3)
Lehman
      XS Trust, Series 2006-GP3
(Issuing
      Entity)
Structured
      Asset Securities
      Corporation
(Exact
      Name of Depositor as Specified in its Charter)
Lehman
      Brothers Holdings Inc.
(Exact
      Name of Sponsor as Specified in its Charter)
Structured
      Asset Securities
      Corporation
(Exact
      Name of Registrant as Specified in its Charter)
Delaware
333-129480
74-2440850
(State
                or Other Jurisdiction
Of
                Incorporation)
(Commission
File
                Number)
(I.R.S.
                Employer
Identification
                No.)
745
                Seventh Avenue, 7
th
Floor
New
                York, NY
10019
(Address
                of Principal Executive Offices)
(Zip
                Code)
Registrant's
      telephone number, including area code: (212) 526-7000
No
      Change
(Former
      Name or Former Address, if Changed Since Last Report)
Check
      the
      appropriate box below if the Form 8-K filing is intended to simultaneously
      satisfy the filing obligation of the registrant under any of the following
      provisions:
o
Written
      communications pursuant to Rule 425 under the Securities Act (17 CFR
      230.425)
o
Soliciting
      material pursuant to
      Rule 14a-12 under the Exchange Act (17 CFR 240.14a-12)
o
Pre-commencement
      communications
      pursuant to Rule 14d-2(b) under the Exchange Act (17 CFR
      240.14d-2(b))
o
Pre-commencement
      communications
      pursuant to Rule 13e-4(c) under the Exchange Act (17 CFR
      240.13e-4(c
ITEM
      5.
Other
      Events
.
The
      Registrant registered issuances of Lehman XS Trust Mortgage Pass-Through
      Certificates on a delayed or continuous basis pursuant to Rule 415 under the
      Securities Act of 1933, as amended (the "Act"), by a Registration Statement on
      Form S-3 (Registration File No. 333-129480 (the "Registration Statement")).
      Pursuant to the Registration Statement, the Registrant issued $1,007,291,000
      in
      aggregate principal amount Class 1-A1, Class 1-A2, Class 2-A1, Class 2-A2,
      Class
      2-A3, Class 3-A1A, Class 3-A1B, Class 3-A2A, Class 3-A2B, Class 3-A3A, Class
      3-A3B, Class 3-A4, Class 3-A5A, Class 3-A5B, Class M1, Class M2, Class M3,
      Class
      M4, Class M5, Class M6, Class M7, Class M8, Class M9 and Class M10 Certificates
      of its Lehman XS Trust Mortgage Pass-Through Certificates, Series 2006-GP3
      on
      June 30, 2006. This Current Report on Form 8-K is being filed to satisfy an
      undertaking, contained in the definitive Prospectus, dated June 2, 2006, as
      supplemented by the Prospectus Supplement, dated June 28, 2006 (the "Prospectus
      Supplement"), to file a copy of the Trust Agreement (as defined below) executed
      in connection with the issuance of the Certificates, a form of which was filed
      as an exhibit to the Registration Statement.
The
      Certificates (as defined below) were issued pursuant to a Trust Agreement (the
      "Trust Agreement"), attached hereto as Exhibit 4.1, dated as of June 1, 2006,
      among Structured Asset Securities Corporation, as depositor (the "Depositor"),
      Aurora Loan Services LLC, as master servicer (the "Master Servicer") and U.S.
      Bank National Association, as trustee (the "Trustee"). The "Certificates"
consist of the following classes: Class 1-A1, Class 1-A2, Class 2-A1, Class
      2-A2, Class 2-A3, Class 3-A1A, Class 3-A1B, Class 3-A2A, Class 3-A2B, Class
      3-A3A, Class 3-A3B, Class 3-A4, Class 3-A5A, Class 3-A5B,
Class
M1,
      Class M2, Class M3, Class M4, Class M5, Class M6, Class M7, Class M8, Class
      M9,
      Class M10,
Class
      X, Class P, Class C and Class R .
The
      Certificates evidence all the beneficial ownership interest in a trust fund
      (the
"Trust Fund") that consists primarily of three pools of certain adjustable rate,
      conventional, first lien, negative amortization residential mortgage loans
      (the
"Mortgage Loans") with an aggregate outstanding principal balance of
      approximately $1,010,838,913
as
      of
      June 1, 2006. Capitalized terms used herein and not otherwise defined shall
      have
      the meanings assigned to them in the Trust Agreement.
Item
                9.01.
Financial
                Statements and Exhibits
(a)
Not
                applicable.
(b)
Not
                applicable.
(c)
Not
                applicable.
(d)
Exhibits:
1.1
Terms
                Agreement, dated June 27, 2006, between Structured Asset Securities
                Corporation, as Depositor, and Lehman Brothers Inc., as the
                Underwriter.
4.1
Trust
                Agreement, dated as of June 1, 2006, among Structured Asset Securities
                Corporation, as Depositor, Aurora Loan Services LLC, as Master Servicer
                and U.S. Bank National Association, as Trustee.
99.1
Mortgage
                Loan Sale and Assignment Agreement, dated as of June 1, 2006, between
                Lehman Brothers Holdings Inc., as Seller, and Structured Asset Securities
                Corporation, as Purchaser.
99.2
Reconstituted
                Servicing Agreement, dated as of June 1, 2006, by and between Lehman
                Brothers Holdings Inc. and GreenPoint Mortgage Funding, Inc.
99.3
Flow
                Interim Servicing Agreement, dated as of April 10, 2006, by and between
                Lehman Capital, a Division of Lehman Brothers Holdings Inc. and Green
                Point Mortgage Funding, Inc.
99.4
Securitization
                Servicing Agreement, dated as of June 1, 2006, by and among GMAC
                Mortgage
                Corporation, as Servicer, Lehman Brothers Holdings Inc., as Seller,
                and
                Aurora Loan Services LLC as Master Servicer.
SIGNATURES
Pursuant
      to the requirements of the Securities Exchange Act of 1934, the Registrant
      has
      duly caused this report to be signed on its behalf by the undersigned hereunto
      duly authorized.
STRUCTURED
                ASSET SECURITIES CORPORATION
By:
/s/Michael
                C. Hitzmann
Name:
Michael
                C. Hitzmann
Title:
Senior
                Vice President
Date:
                July 14, 2006
EXHIBIT
      INDEX
Exhibit
                No.
Description
1.1
Terms
                Agreement, dated June 27, 2006, between Structured Asset Securities
                Corporation, as Depositor, and Lehman Brothers Inc., as the
                Underwriter.
4.1
Trust
                Agreement, dated as of June 1, 2006, among Structured Asset Securities
                Corporation, as Depositor, Aurora Loan Services LLC, as Master Servicer
                and U.S. Bank National Association, as Trustee.
99.1
Mortgage
                Loan Sale and Assignment Agreement, dated as of June 1, 2006, between
                Lehman Brothers Holdings Inc., as Seller, and Structured Asset Securities
                Corporation, as Purchaser.
99.2
Reconstituted
                Servicing Agreement, dated as of June 1, 2006, by and between Lehman
                Brothers Holdings Inc. and GreenPoint Mortgage Funding, Inc.
99.3
Flow
                Interim Servicing Agreement, dated as of April 10, 2006, by and between
                Lehman Capital, a Division of Lehman Brothers Holdings Inc. and Green
                Point Mortgage Funding, Inc.
99.4
Securitization
                Servicing Agreement, dated as of June 1, 2006, by and among GMAC
                Mortgage
                Corporation, as Servicer, Lehman Brothers Holdings Inc., as Seller,
                and
                Aurora Loan Services LLC as Master
                Servicer.