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 <p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><a name="scotch"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">As filed with the Securities and Exchange Commission on November 9, 2006.</font></b></a></p> <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0pt 0pt 0pt 0pt;"> <p align="right" style="border:none;font-weight:bold;margin:0pt 0pt 12.0pt;padding:0pt;page-break-after:avoid;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">File No. 333-&#160;&#160;&#160; &nbsp;</font></b></p> </div>

<p style="font-size:18.0pt;font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">UNITED STATES<br></font></b>SECURITIES AND EXCHANGE COMMISSION</p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">WASHINGTON, DC 20549</font></b></p>

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<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">FORM S-8</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">REGISTRATION STATEMENT<br>
UNDER<br>
THE SECURITIES ACT OF 1933</font></b></p>

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<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;">ACME PACKET, INC.</font></b></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(Exact Name of Registrant as
Specified in Its Charter)</font></i></p>

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  <p align="center" style="font-size:10.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading --><b>DELAWARE</b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.98%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="46%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:46.44%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">04-3526641</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="51%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:51.58%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(State
  or Other Jurisdiction of Incorporation<br>
  or Organization)</font></i></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.98%;">
  <p style="margin:0pt 0pt .0001pt;"><i><font size="2" face="Times New Roman" style="font-size:1.0pt;font-style:italic;">&nbsp;</font></i></p>
  </td>
  <td width="46%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:46.44%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(I.R.S.
  Employer<br>
  Identification No.)</font></i></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">71 Third Avenue,
Burlington, MA 01803</font></b></p>

<p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(Address of Principal Executive Office)( Zip Code)</font></i></p>

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<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">ACME PACKET, INC.<br>
AMENDED AND RESTATED 2000 EQUITY INCENTIVE PLAN<br>
2006 EQUITY INCENTIVE PLAN<br>
2006 DIRECTOR OPTION PLAN</font></b></p>

<p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(Full title of the plans)</font></i></p>

<div style="line-height:9.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Andrew D. Ory<br>
Acme Packet, Inc.<br>
71 Third Avenue<br>
Burlington, MA 01803</font></b></p>

<p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(Name and address of Agent for Service)</font></i></p>

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<p style="font-weight:bold;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">(781) 328-4400</font></b></p>

<p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">(Telephone Number for agent for service)</font></i></p>

<div style="line-height:9.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p style="font-weight:bold;margin:0pt 0pt 6.0pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">Copy
to:<br>
Julio E. Vega, Esq.<br>
Matthew J. Cushing, Esq.<br>
Bingham McCutchen LLP<br>
150 Federal Street<br>
Boston, MA 02110<br>
Telephone: (617) 951-8000<br>
Facsimile: (617) 951-8736</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt 3.0pt;page-break-after:avoid;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;">CALCULATION
OF REGISTRATION FEE</font></b></p>

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  <td width="47%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:10.72%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="0%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Title&nbsp;Of<br>
  Securities&nbsp;To&nbsp;Be&nbsp;Registered</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Amount<br>
  To&nbsp;Be<br>
  Registered&nbsp;(1)</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Proposed<br>
  Maximum<br>
  Offering&nbsp;Price<br>
  Per&nbsp;Share</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:10.72%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Proposed<br>
  Maximum<br>
  Aggregate<br>
  Offering&nbsp;Price</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Amount&nbsp;Of<br>
  Registration<br>
  Fee&nbsp;(4)</font></b></p>
  </td>
  <td width="0%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;page-break-after:avoid;text-indent:-10.0pt;"><b><font size="1" face="Times New Roman" style="font-size:9.0pt;font-weight:bold;">Amended and Restated 2000
  Equity Incentive Plan</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:10.72%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;page-break-after:avoid;text-indent:-10.0pt;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">Common Stock (par value
  $0.001 per share)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="10%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">8,663,760</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.76%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">1.32(2</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">)</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.92%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">11,436,163(2</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">)</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.76%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">1,224</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="margin:0pt 0pt .0001pt;text-align:right;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;page-break-after:avoid;text-indent:-10.0pt;"><b><font size="1" face="Times New Roman" style="font-size:9.0pt;font-weight:bold;">2006 Equity Incentive Plan</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.72%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;page-break-after:avoid;text-indent:-10.0pt;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">Common Stock (par value
  $0.001 per share)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="10%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">3,000,000</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.76%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">15.38(3</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">)</font></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.72%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$46,125,000(3</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">)</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.76%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">4,936</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="margin:0pt 0pt .0001pt;text-align:right;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;page-break-after:avoid;text-indent:-10.0pt;"><b><font size="1" face="Times New Roman" style="font-size:9.0pt;font-weight:bold;">2006 Director Option Plan</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.72%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;page-break-after:avoid;text-indent:-10.0pt;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">Common Stock (par value
  $0.001 per share)</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="10%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">300,000</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.76%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">15.38(3</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">)</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.92%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">&nbsp;4,612,500(3</font></p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">)</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:9.76%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">494</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="margin:0pt 0pt .0001pt;text-align:right;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="47%" valign="top" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:47.76%;">
  <p style="margin:0pt 0pt .0001pt 10.0pt;page-break-after:avoid;text-indent:-10.0pt;"><b><font size="1" face="Times New Roman" style="font-size:9.0pt;font-weight:bold;">TOTAL:</font></b></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="10%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">11,963,760</font></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:10.56%;">
  <p style="margin:0pt 0pt .0001pt;text-align:right;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="10%" colspan="2" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:10.72%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$62,173,663&nbsp;&nbsp;&nbsp;</font></p>
  </td>
  <td width="2%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="0%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt 0pt 0pt 0pt;width:.8%;">
  <p align="left" style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">$</font></p>
  </td>
  <td width="9%" valign="bottom" style="border:none;border-bottom:double windowtext 2.25pt;padding:0pt .7pt 0pt 0pt;width:9.76%;">
  <p style="margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:right;"><font size="1" face="Times New Roman" style="font-size:9.0pt;">6,654</font></p>
  </td>
  <td width="0%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:.34%;">
  <p style="margin:0pt 0pt .0001pt;text-align:right;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
</table>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt 20.0pt;text-indent:-20.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>In addition, pursuant
to Rule 416(c) under the Securities Act of 1933, as amended, this Registration
Statement also covers an indeterminate number of additional shares of common
stock that may be offered or issued in the event of a stock dividend, reverse
stock split, split-up, recapitalization, forfeiture of stock under those plans,
or other similar event.</p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt 20.0pt;text-indent:-20.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Pursuant to Rule
457(h), the aggregate offering price and fee have been computed upon the basis
of the price at which the options granted under the Amended and Restated 2000
Equity Incentive Plan may be exercised. The offering price per share set forth
for such shares is the weighted average exercise price at which the options are
exercisable.</p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt 20.0pt;text-indent:-20.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>The estimate price of
$15.38 per share, which is the average of the high and low proposed initial
offering price of the common stock as reported on the NASDAQ Global Market on
November 8, 2006, is set forth solely for the purpose of calculating the fee
pursuant to Rule 457(c) and (h), and has been used only for those shares
without a fixed exercise price. None of such shares have been issued or are
subject to outstanding options.</p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt 20.0pt;text-indent:-20.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(4)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Calculated pursuant
to Section 6(b) of the Securities Act of 1933, as amended.</p>


 <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0pt 0pt 0pt 0pt;"> <p style="border:none;margin:0pt 0pt .0001pt;padding:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p> </div>
</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

<!-- SEQ.=1,FOLIO='',FILE='C:\fc\31217153713_D11084_1477392\23606-1-ba.htm',USER='jmsproofassembler',CD='Nov  8 17:15 2006' -->



<br clear="all" style="page-break-before:always;">

<div>
 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART
I</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INFORMATION
REQUIRED IN THE SECTION 10(a) PROSPECTUS</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 1.&#160;&#160;&#160; Plan Information*</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 2.&#160;&#160;&#160; Registrant Information and Employee Plan
Annual Information*</font></b></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">*&#160; </font></b>Information required by
Part I to be contained in the Section 10(a) Prospectus is omitted from this
Registration Statement in accordance with Rule 428 under the Securities Act 0f
1933, as amended (the &#147;<u>Securities Ac</u>t&#148;), and in accordance with the
Introductory Note to Part I of Form S-8.</p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">PART
II</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 3.&#160;&#160;&#160; Incorporation of Documents by Reference</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The following
documents filed by Acme Packet, Inc. (&#147;<u>Registrant</u>&#148;) with the Securities
and Exchange Commission (the &#147;<u>Commission</u>&#148;) pursuant to the Securities
Act or the Securities Exchange Act of 1934, as amended (the &#147;<u>Exchange Act</u>&#148;),
are hereby incorporated by reference into this Registration Statement:</font></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>The Registrant&#146;s
prospectus filed pursuant to Rule 424(b)(4) under the Securities Act;</p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>All other reports filed
by the Registrant pursuant to Sections 13(a) or 15(d) of the Exchange Act since
the end of the fiscal year covered by the registration statement referred to in
(a) above; and</p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-indent:-18.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)</font><font size="1" style="font-size:3.0pt;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>The section entitled &#147;Description
of Registrant&#146;s Securities to be Registered&#148; contained in the Registrant&#146;s
Registration Statement on Form 8-A (file No. 001-33041) filed with the
Commission on September 22, 2006, pursuant to Section 12(b) of the Exchange
Act, including any amendment or report filed for the purpose of updating such
description.</p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In addition, all
documents filed with the Commission pursuant to Sections 13(a), 13(c), 14 and
15(d) of the Exchange Act subsequent to the date of this Registration Statement
and prior to the filing of a post-effective amendment which indicates that all
securities registered hereby have been sold or which deregisters all of such
securities then remaining unsold, shall be deemed to be incorporated by
reference into this Registration Statement and to be a part hereof from the
date of filing of such documents.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 4.&#160;&#160;&#160; Description of Securities</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 5.&#160;&#160;&#160; Interests of Named Experts and Counsel</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">None.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 6.&#160;&#160;&#160; Indemnification of Directors and Officers</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 145 of the
Delaware General Corporation Law provides that a Delaware corporation may
indemnify its officers and directors and certain other persons to the extent
and under the circumstances set forth therein.</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">1</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>


<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Article Seventh of
the Registrant&#146;s Amended and Restated Certificate of Incorporation, and Article
VII of the Registrant&#146;s Amended and Restated By-Laws, provide that the Registrant
will indemnify its directors, officers, employees and agents to the full extent
permitted by Delaware General Corporation Law, including in circumstances in
which indemnification is discretionary under Delaware law.&#160; The indemnification provisions in the
Registrant&#146;s Amended and Restated Certificate of Incorporation and By-Laws may
be sufficiently broad to permit indemnification of said directors and officers
for liabilities (including reimbursement for expenses incurred) arising under
the Securities Act.&#160; The Registrant
intends to maintain director and officer liability insurance, if available on
reasonable terms, to insure said directors and officers against the costs of
defense, settlement, or judgment under certain circumstances.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 7.&#160;&#160;&#160; Exemption from Registration Claimed</font></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Not applicable.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 8.&#160;&#160;&#160; Exhibits</font></b></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
following exhibits are filed as part of this registration statement:</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading -->Exhibit Number</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="89%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Exhibit Description</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amended and Restated
  Certificate of Incorporation of the Registrant (incorporated by reference to
  Exhibit 3.3 to the Registrant&#146;s Registration Statement on Form S-1
  (Commission File No. 333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.2</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amended and Restated
  Bylaws of the Registrant (incorporated by reference to Exhibit 3.4 to the
  Registrant&#146;s Registration Statement on Form S-1 (Commission File No.
  333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.3</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Specimen certificate
  evidencing shares of common stock (incorporated by reference to Exhibit 4.1
  to the Registrant&#146;s Registration Statement on Form S-1 (Commission File No.
  333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of Bingham
  McCutchen LLP with respect to the legality of the shares being registered.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amended and Restated
  2000 Equity Incentive Plan of the Registrant (incorporated by reference from
  Exhibit 10.3 to the Registrant&#146;s Registration Statement on Form S-1 (file no.
  333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.2</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2006 Equity Incentive
  Plan of the Registrant (incorporated by reference from Exhibit 10.22 to the
  Registrant&#146;s Registration Statement on Form S-1 (file no. 333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.3</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2006 Director Option
  Plan of the Registrant (incorporated by reference from Exhibit 10.23 to the
  Registrant&#146;s Registration Statement on Form S-1 (file no. 333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.4</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Incentive Stock
  Option Agreement for the 2006 Equity Incentive Plan.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.5</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for employees and
  consultants.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.6</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for directors.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.7</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Non-Statutory
  Stock Option Agreement for the 2006 Director Option Plan.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Ernst &amp;
  Young LLP, Independent Registered Public Accounting Firm.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Bingham
  McCutchen LLP (included in Exhibit 5.1).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">24</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.76%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Power of Attorney
  (included in signature page hereto).</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">2</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>


<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 9.&#160;&#160;&#160; Undertakings</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">1. <i><u style="font-style:italic;">&#160;Item 512(a) of
Regulation S-K:</u></i></font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The undersigned
registrant hereby undertakes:</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(1)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; To file, during any period in which
offers or sales are being made, a post-effective amendment to this registration
statement:</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; To include any prospectus required
by Section 10(a)(3) of the Securities Act of 1933;</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; To reflect in the prospectus any
facts or events arising after the effective date of the registration statement
(or the most recent post-effective amendment thereof) which, individually or in
the aggregate, represent a fundamental change in the information set forth in
the registration statement.&#160;
Notwithstanding the foregoing, any increase or decrease in volume of
securities offered (if the total dollar value of securities offered would not
exceed that which was registered) and any deviation from the low or high end of
the estimated maximum offering range may be reflected in the form of prospectus
filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the
changes in volume and price represent no more than 20 percent change in the
maximum aggregate offering price set forth in the &#147;Calculation of Registration
Fee&#148; table in the effective registration statement;</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; To include any material information
with respect to the plan of distribution not previously disclosed in the
registration statement or any material change to such information in the
registration statement.</font></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">Provided,
however,</font></i> that paragraphs (1)(i) and (1)(ii) do not apply if
the information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed with or furnished to the
Commission by the registrant pursuant to Section 13 or Section 15(d) of the
Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) that are incorporated by reference
in the registration statement.</p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(2)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; That, for the purpose of determining
any liability under the Securities Act of 1933, each such post-effective
amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time
shall be deemed to be the initial <i>bona fide</i>
offering thereof.</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(3)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; To remove from registration by means
of a post-effective amendment any of the securities being registered which
remain unsold at the termination of the offering.</font></p>

<p style="margin:0pt 22.5pt 12.0pt 0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(4)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; That,
for the purpose of determining liability of the registrant under the Securities
Act of 1933 to any purchaser in the initial distribution of the securities, the
undersigned registrant undertakes that in a primary offering of securities of
the undersigned registrant pursuant to this registration statement, regardless
of the underwriting method used to sell the securities to the purchaser, if the
securities are offered or sold to such purchaser by means of any of the
following communications, the undersigned registrant will be a seller to the
purchaser and will be considered to offer or sell such securities to such
purchaser:</font></p>

<p style="margin:0pt 22.5pt 12.0pt 0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Any
preliminary prospectus or prospectus of the undersigned registrant relating to
the offering required to be filed pursuant to Rule 424;</font></p>

<p style="margin:0pt 22.5pt 12.0pt 0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Any
free writing prospectus relating to the offering prepared by or on behalf of
the undersigned registrant or used or referred to by the undersigned
registrant;</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">3</font></p> <br><hr size="3" width="100%" noshade color="#010101" align="center">

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 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>


<p style="margin:0pt 22.5pt 12.0pt 0pt;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 22.5pt 12.0pt 0pt;page-break-after:avoid;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; The portion of any other free writing
prospectus relating to the offering containing material information about the
undersigned registrant or its securities provided by or on behalf of the
undersigned registrant; and</font></p>

<p style="margin:0pt 22.5pt 12.0pt 0pt;page-break-after:avoid;text-indent:72.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iv)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Any other communication that is an
offer in the offering made by the undersigned registrant to the purchaser.</font></p>

<p style="font-family:Times New Roman;font-size:10.0pt;margin:0pt 0pt 12.0pt 36.0pt;text-indent:-36.0pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">2.&nbsp;&nbsp; <u>Item 512(b) of Regulation S-K</u></font></i>.</p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The undersigned registrant hereby undertakes that, for
purposes of determining any liability under the Securities Act of 1933 each
filing of the registrant&#146;s annual report pursuant to Section 13(a) or Section
15(d) of the Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan&#146;s annual report pursuant to Section 15(d) of the Exchange
Act of 1934) that is incorporated by reference in the registration statement
shall be deemed to be a new registration statement relating to the securities
offered therein, and the offering of such securities at that time shall be
deemed to be the initial <i>bona fide</i>
offering thereof.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3.&#160; <i><u style="font-style:italic;">Item
512(h) of Regulation S-K.</u></i></font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Insofar as
indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the registrant
pursuant to the foregoing provisions, or otherwise, the registrant has been
advised that in the opinion of the Securities and Exchange Commission such
indemnification is against public policy as expressed in the Securities Act and
is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the registrant of expenses
incurred or paid by a director, officer or controlling person of the registrant
in the successful defense of any action, suit or proceeding) is asserted by
such director, officer or controlling person in connection with the securities
being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Act and will be governed by the final
adjudication of such issue.</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">4</font></p>
</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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<br clear="all" style="page-break-before:always;">

<div style="font-family:Times New Roman;">
 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURES
AND POWER OF ATTORNEY</font></b></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Pursuant
to the requirements of the Securities Act of 1933, as amended, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the Town of Burlington, Commonwealth of Massachusetts, on this 9th
day of November, 2006.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" bgcolor="white" style="background:white;border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="42%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.88%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="7%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:7.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="49%" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:49.46%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">ACME PACKET, INC.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="42%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.88%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="7%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:7.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:4.16%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.64%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="42%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.88%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="7%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:7.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:4.16%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:43.64%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; &nbsp;&nbsp; /s/ ANDREW D. ORY</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="42%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.88%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="7%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:7.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:4.16%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:43.64%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name: Andrew D. Ory</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="42%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.88%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="7%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:7.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:4.16%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.66%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.64%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title: President and Chief Executive Officer</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">KNOW ALL PERSONS BY THESE
PRESENTS, that each person whose signature appears below hereby constitutes and
appoints Andrew D. Ory, Patrick J. MeLampy, Keith Seidman, and each of them, as
such person&#146;s true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for such person and in such person&#146;s name,
place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) and additions to this registration
statement on Form&nbsp;S-8 and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission, and hereby grants to such attorneys-in-fact and agents full power
and authority to do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as such person might
or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or such person&#146;s substitute or substitutes may
lawfully do or cause to be done by virtue hereof.</font></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Pursuant to the requirements of
the Securities Act of 1933, this registration statement has been signed by the
following persons in the capacities indicated as of the 9th day of
November,&nbsp;2006.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading -->Signature</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="59%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Title</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/
  ANDREW D. ORY</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">President
  and Chief Executive Officer;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Andrew D. Ory</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director
  (Principal Executive Officer)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ KEITH SEIDMAN</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Financial
  Officer and Treasurer</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Keith Seidman</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Principal
  Accounting and Financial Officer)</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ GARY J. BOWEN</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Gary J. Bowen</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ DAVID B. ELSBREE</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">David B. Elsbree</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ SONJA L. HOEL</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Sonja L. Hoel</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ ROBERT HOWER</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Robert Hower</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief Technology
  Officer; Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Patrick J.
  MeLampy</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ ROBERT G. ORY</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Assistant
  Treasurer; Director</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="38%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:38.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;letter-spacing:-.1pt;">Robert G. Ory</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="59%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:59.1%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">5</font></p>
</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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<br clear="all" style="page-break-before:always;">

<div style="font-family:Times New Roman;">
 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:center;"><b><u><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">EXHIBIT INDEX</font></u></b></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading -->Exhibit Number</p>
  </td>
  <td width="2%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="89%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:8.0pt;">Exhibit Description</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amended and Restated
  Certificate of Incorporation of the Registrant (incorporated by reference to
  Exhibit 3.3 to the Registrant&#146;s Registration Statement on Form S-1 (Commission
  File No. 333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.2</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amended and Restated
  Bylaws of the Registrant (incorporated by reference to Exhibit 3.4 to the
  Registrant&#146;s Registration Statement on Form S-1 (Commission File No.
  333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4.3</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Specimen certificate
  evidencing shares of common stock (incorporated by reference to Exhibit 4.1
  to the Registrant&#146;s Registration Statement on Form S-1 (Commission File No.
  333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Opinion of Bingham
  McCutchen LLP with respect to the legality of the shares being registered.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Amended and Restated
  2000 Equity Incentive Plan of the Registrant (incorporated by reference from
  Exhibit 10.3 to the Registrant&#146;s Registration Statement on Form S-1 (file no.
  333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.2</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2006 Equity Incentive
  Plan of the Registrant (incorporated by reference from Exhibit 10.22 to the
  Registrant&#146;s Registration Statement on Form S-1 (file no. 333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.3</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2006 Director Option
  Plan of the Registrant (incorporated by reference from Exhibit 10.23 to the
  Registrant&#146;s Registration Statement on Form S-1 (file no. 333-134683)).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.4</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Incentive Stock
  Option Agreement for the 2006 Equity Incentive Plan.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.5</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for employees and
  consultants.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.6</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for directors.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10.7</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Form of Non-Statutory
  Stock Option Agreement for the 2006 Director Option Plan.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.1</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Ernst &amp;
  Young LLP, Independent Registered Public Accounting Firm.</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23.2</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Consent of Bingham
  McCutchen LLP (included in Exhibit 5.1).</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.7%;">
  <p align="center" style="margin:6.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">24</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.14%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:6.0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Power of Attorney
  (included in signature page hereto).</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>


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[{"type": "S-8", "sequence": "1", "filename": "a06-23606_1s8.htm", "description": "SECURITIES TO BE OFFERED TO EMPLOYEES PURSUANT TO EMPLOYEE BENEFIT PLANS", "secsgml_size_bytes": 110729}]
{"company-data": {"conformed-name": "ACME PACKET INC", "cik": "0001130258", "assigned-sic": "3576", "irs-number": "043526641", "state-of-incorporation": "DE", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-138541", "film-number": "061199954"}, "business-address": {"street1": "71 THIRD AVENUE", "city": "BURLINGTON", "state": "MA", "zip": "01803", "phone": "781-328-4400"}, "mail-address": {"street1": "71 THIRD AVENUE", "city": "BURLINGTON", "state": "MA", "zip": "01803"}, "former-company": {"former-conformed-name": "PRIMARY NETWORKS INC", "date-changed": "20001219"}}
As filed with the Securities and Exchange Commission on November 9, 2006.
File No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
WASHINGTON, DC 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
ACME PACKET, INC.
(Exact Name of Registrant as
Specified in Its Charter)
DELAWARE
04-3526641
(State
  or Other Jurisdiction of Incorporation
or Organization)
(I.R.S.
  Employer
Identification No.)
71 Third Avenue,
Burlington, MA 01803
(Address of Principal Executive Office)( Zip Code)
ACME PACKET, INC.
AMENDED AND RESTATED 2000 EQUITY INCENTIVE PLAN
2006 EQUITY INCENTIVE PLAN
2006 DIRECTOR OPTION PLAN
(Full title of the plans)
Andrew D. Ory
Acme Packet, Inc.
71 Third Avenue
Burlington, MA 01803
(Name and address of Agent for Service)
(781) 328-4400
(Telephone Number for agent for service)
Copy
to:
Julio E. Vega, Esq.
Matthew J. Cushing, Esq.
Bingham McCutchen LLP
150 Federal Street
Boston, MA 02110
Telephone: (617) 951-8000
Facsimile: (617) 951-8736
CALCULATION
OF REGISTRATION FEE
Title Of
Securities To Be Registered
Amount
To Be
Registered (1)
Proposed
Maximum
Offering Price
Per Share
Proposed
Maximum
Aggregate
Offering Price
Amount Of
Registration
Fee (4)
Amended and Restated 2000
  Equity Incentive Plan
Common Stock (par value
  $0.001 per share)
8,663,760
$
1.32(2
)
$
11,436,163(2
)
$
1,224
2006 Equity Incentive Plan
Common Stock (par value
  $0.001 per share)
3,000,000
$
15.38(3
)
$46,125,000(3
)
$
4,936
2006 Director Option Plan
Common Stock (par value
  $0.001 per share)
300,000
$
15.38(3
)
$
4,612,500(3
)
$
494
TOTAL:
11,963,760
$62,173,663
$
6,654
(1)
In addition, pursuant
to Rule 416(c) under the Securities Act of 1933, as amended, this Registration
Statement also covers an indeterminate number of additional shares of common
stock that may be offered or issued in the event of a stock dividend, reverse
stock split, split-up, recapitalization, forfeiture of stock under those plans,
or other similar event.
(2)
Pursuant to Rule
457(h), the aggregate offering price and fee have been computed upon the basis
of the price at which the options granted under the Amended and Restated 2000
Equity Incentive Plan may be exercised. The offering price per share set forth
for such shares is the weighted average exercise price at which the options are
exercisable.
(3)
The estimate price of
$15.38 per share, which is the average of the high and low proposed initial
offering price of the common stock as reported on the NASDAQ Global Market on
November 8, 2006, is set forth solely for the purpose of calculating the fee
pursuant to Rule 457(c) and (h), and has been used only for those shares
without a fixed exercise price. None of such shares have been issued or are
subject to outstanding options.
(4)
Calculated pursuant
to Section 6(b) of the Securities Act of 1933, as amended.
PART
I
INFORMATION
REQUIRED IN THE SECTION 10(a) PROSPECTUS
Item 1.    Plan Information*
Item 2.    Registrant Information and Employee Plan
Annual Information*
*
Information required by
Part I to be contained in the Section 10(a) Prospectus is omitted from this
Registration Statement in accordance with Rule 428 under the Securities Act 0f
1933, as amended (the "
Securities Ac
t"), and in accordance with the
Introductory Note to Part I of Form S-8.
PART
II
INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT
Item 3.    Incorporation of Documents by Reference
The following
documents filed by Acme Packet, Inc. ("
Registrant
") with the Securities
and Exchange Commission (the "
Commission
") pursuant to the Securities
Act or the Securities Exchange Act of 1934, as amended (the "
Exchange Act
"),
are hereby incorporated by reference into this Registration Statement:
(a)
The Registrant's
prospectus filed pursuant to Rule 424(b)(4) under the Securities Act;
(b)
All other reports filed
by the Registrant pursuant to Sections 13(a) or 15(d) of the Exchange Act since
the end of the fiscal year covered by the registration statement referred to in
(a) above; and
(c)
The section entitled "Description
of Registrant's Securities to be Registered" contained in the Registrant's
Registration Statement on Form 8-A (file No. 001-33041) filed with the
Commission on September 22, 2006, pursuant to Section 12(b) of the Exchange
Act, including any amendment or report filed for the purpose of updating such
description.
In addition, all
documents filed with the Commission pursuant to Sections 13(a), 13(c), 14 and
15(d) of the Exchange Act subsequent to the date of this Registration Statement
and prior to the filing of a post-effective amendment which indicates that all
securities registered hereby have been sold or which deregisters all of such
securities then remaining unsold, shall be deemed to be incorporated by
reference into this Registration Statement and to be a part hereof from the
date of filing of such documents.
Item 4.    Description of Securities
Not applicable.
Item 5.    Interests of Named Experts and Counsel
None.
Item 6.    Indemnification of Directors and Officers
Section 145 of the
Delaware General Corporation Law provides that a Delaware corporation may
indemnify its officers and directors and certain other persons to the extent
and under the circumstances set forth therein.
1
Article Seventh of
the Registrant's Amended and Restated Certificate of Incorporation, and Article
VII of the Registrant's Amended and Restated By-Laws, provide that the Registrant
will indemnify its directors, officers, employees and agents to the full extent
permitted by Delaware General Corporation Law, including in circumstances in
which indemnification is discretionary under Delaware law.  The indemnification provisions in the
Registrant's Amended and Restated Certificate of Incorporation and By-Laws may
be sufficiently broad to permit indemnification of said directors and officers
for liabilities (including reimbursement for expenses incurred) arising under
the Securities Act.  The Registrant
intends to maintain director and officer liability insurance, if available on
reasonable terms, to insure said directors and officers against the costs of
defense, settlement, or judgment under certain circumstances.
Item 7.    Exemption from Registration Claimed
Not applicable.
Item 8.    Exhibits
The
following exhibits are filed as part of this registration statement:
Exhibit Number
Exhibit Description
4.1
Amended and Restated
  Certificate of Incorporation of the Registrant (incorporated by reference to
  Exhibit 3.3 to the Registrant's Registration Statement on Form S-1
  (Commission File No. 333-134683)).
4.2
Amended and Restated
  Bylaws of the Registrant (incorporated by reference to Exhibit 3.4 to the
  Registrant's Registration Statement on Form S-1 (Commission File No.
  333-134683)).
4.3
Specimen certificate
  evidencing shares of common stock (incorporated by reference to Exhibit 4.1
  to the Registrant's Registration Statement on Form S-1 (Commission File No.
  333-134683)).
5.1
Opinion of Bingham
  McCutchen LLP with respect to the legality of the shares being registered.
10.1
Amended and Restated
  2000 Equity Incentive Plan of the Registrant (incorporated by reference from
  Exhibit 10.3 to the Registrant's Registration Statement on Form S-1 (file no.
  333-134683)).
10.2
2006 Equity Incentive
  Plan of the Registrant (incorporated by reference from Exhibit 10.22 to the
  Registrant's Registration Statement on Form S-1 (file no. 333-134683)).
10.3
2006 Director Option
  Plan of the Registrant (incorporated by reference from Exhibit 10.23 to the
  Registrant's Registration Statement on Form S-1 (file no. 333-134683)).
10.4
Form of Incentive Stock
  Option Agreement for the 2006 Equity Incentive Plan.
10.5
Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for employees and
  consultants.
10.6
Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for directors.
10.7
Form of Non-Statutory
  Stock Option Agreement for the 2006 Director Option Plan.
23.1
Consent of Ernst &
  Young LLP, Independent Registered Public Accounting Firm.
23.2
Consent of Bingham
  McCutchen LLP (included in Exhibit 5.1).
24
Power of Attorney
  (included in signature page hereto).
2
Item 9.    Undertakings
1.
Item 512(a) of
Regulation S-K:
The undersigned
registrant hereby undertakes:
(1)           To file, during any period in which
offers or sales are being made, a post-effective amendment to this registration
statement:
(i)            To include any prospectus required
by Section 10(a)(3) of the Securities Act of 1933;
(ii)           To reflect in the prospectus any
facts or events arising after the effective date of the registration statement
(or the most recent post-effective amendment thereof) which, individually or in
the aggregate, represent a fundamental change in the information set forth in
the registration statement. 
Notwithstanding the foregoing, any increase or decrease in volume of
securities offered (if the total dollar value of securities offered would not
exceed that which was registered) and any deviation from the low or high end of
the estimated maximum offering range may be reflected in the form of prospectus
filed with the Commission pursuant to Rule 424(b) if, in the aggregate, the
changes in volume and price represent no more than 20 percent change in the
maximum aggregate offering price set forth in the "Calculation of Registration
Fee" table in the effective registration statement;
(iii)          To include any material information
with respect to the plan of distribution not previously disclosed in the
registration statement or any material change to such information in the
registration statement.
Provided,
however,
that paragraphs (1)(i) and (1)(ii) do not apply if
the information required to be included in a post-effective amendment by those
paragraphs is contained in periodic reports filed with or furnished to the
Commission by the registrant pursuant to Section 13 or Section 15(d) of the
Exchange Act of 1934 (15 U.S.C. 78m or 78o(d)) that are incorporated by reference
in the registration statement.
(2)           That, for the purpose of determining
any liability under the Securities Act of 1933, each such post-effective
amendment shall be deemed to be a new registration statement relating to the
securities offered therein, and the offering of such securities at that time
shall be deemed to be the initial
bona fide
offering thereof.
(3)           To remove from registration by means
of a post-effective amendment any of the securities being registered which
remain unsold at the termination of the offering.
(4)           That,
for the purpose of determining liability of the registrant under the Securities
Act of 1933 to any purchaser in the initial distribution of the securities, the
undersigned registrant undertakes that in a primary offering of securities of
the undersigned registrant pursuant to this registration statement, regardless
of the underwriting method used to sell the securities to the purchaser, if the
securities are offered or sold to such purchaser by means of any of the
following communications, the undersigned registrant will be a seller to the
purchaser and will be considered to offer or sell such securities to such
purchaser:
(i)            Any
preliminary prospectus or prospectus of the undersigned registrant relating to
the offering required to be filed pursuant to Rule 424;
(ii)           Any
free writing prospectus relating to the offering prepared by or on behalf of
the undersigned registrant or used or referred to by the undersigned
registrant;
3
(iii)          The portion of any other free writing
prospectus relating to the offering containing material information about the
undersigned registrant or its securities provided by or on behalf of the
undersigned registrant; and
(iv)          Any other communication that is an
offer in the offering made by the undersigned registrant to the purchaser.
2.
Item 512(b) of Regulation S-K
.
The undersigned registrant hereby undertakes that, for
purposes of determining any liability under the Securities Act of 1933 each
filing of the registrant's annual report pursuant to Section 13(a) or Section
15(d) of the Exchange Act of 1934 (and, where applicable, each filing of an
employee benefit plan's annual report pursuant to Section 15(d) of the Exchange
Act of 1934) that is incorporated by reference in the registration statement
shall be deemed to be a new registration statement relating to the securities
offered therein, and the offering of such securities at that time shall be
deemed to be the initial
bona fide
offering thereof.
3.
Item
512(h) of Regulation S-K.
Insofar as
indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the registrant
pursuant to the foregoing provisions, or otherwise, the registrant has been
advised that in the opinion of the Securities and Exchange Commission such
indemnification is against public policy as expressed in the Securities Act and
is, therefore, unenforceable. In the event that a claim for indemnification
against such liabilities (other than the payment by the registrant of expenses
incurred or paid by a director, officer or controlling person of the registrant
in the successful defense of any action, suit or proceeding) is asserted by
such director, officer or controlling person in connection with the securities
being registered, the registrant will, unless in the opinion of its counsel the
matter has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question whether such indemnification by it is
against public policy as expressed in the Act and will be governed by the final
adjudication of such issue.
4
SIGNATURES
AND POWER OF ATTORNEY
Pursuant
to the requirements of the Securities Act of 1933, as amended, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the
requirements for filing on Form S-8 and has duly caused this registration
statement to be signed on its behalf by the undersigned, thereunto duly
authorized, in the Town of Burlington, Commonwealth of Massachusetts, on this 9th
day of November, 2006.
ACME PACKET, INC.
By:
/s/ ANDREW D. ORY
Name: Andrew D. Ory
Title: President and Chief Executive Officer
KNOW ALL PERSONS BY THESE
PRESENTS, that each person whose signature appears below hereby constitutes and
appoints Andrew D. Ory, Patrick J. MeLampy, Keith Seidman, and each of them, as
such person's true and lawful attorneys-in-fact and agents with full power of
substitution and resubstitution, for such person and in such person's name,
place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) and additions to this registration
statement on Form S-8 and to file the same, with all exhibits thereto, and
other documents in connection therewith, with the Securities and Exchange
Commission, and hereby grants to such attorneys-in-fact and agents full power
and authority to do and perform each and every act and thing requisite and
necessary to be done, as fully to all intents and purposes as such person might
or could do in person, hereby ratifying and confirming all that said
attorneys-in-fact and agents or such person's substitute or substitutes may
lawfully do or cause to be done by virtue hereof.
Pursuant to the requirements of
the Securities Act of 1933, this registration statement has been signed by the
following persons in the capacities indicated as of the 9th day of
November, 2006.
Signature
Title
/s/
  ANDREW D. ORY
President
  and Chief Executive Officer;
Andrew D. Ory
Director
  (Principal Executive Officer)
/s/ KEITH SEIDMAN
Chief Financial
  Officer and Treasurer
Keith Seidman
(Principal
  Accounting and Financial Officer)
/s/ GARY J. BOWEN
Director
Gary J. Bowen
/s/ DAVID B. ELSBREE
Director
David B. Elsbree
/s/ SONJA L. HOEL
Director
Sonja L. Hoel
/s/ ROBERT HOWER
Director
Robert Hower
Chief Technology
  Officer; Director
Patrick J.
  MeLampy
/s/ ROBERT G. ORY
Assistant
  Treasurer; Director
Robert G. Ory
5
EXHIBIT INDEX
Exhibit Number
Exhibit Description
4.1
Amended and Restated
  Certificate of Incorporation of the Registrant (incorporated by reference to
  Exhibit 3.3 to the Registrant's Registration Statement on Form S-1 (Commission
  File No. 333-134683)).
4.2
Amended and Restated
  Bylaws of the Registrant (incorporated by reference to Exhibit 3.4 to the
  Registrant's Registration Statement on Form S-1 (Commission File No.
  333-134683)).
4.3
Specimen certificate
  evidencing shares of common stock (incorporated by reference to Exhibit 4.1
  to the Registrant's Registration Statement on Form S-1 (Commission File No.
  333-134683)).
5.1
Opinion of Bingham
  McCutchen LLP with respect to the legality of the shares being registered.
10.1
Amended and Restated
  2000 Equity Incentive Plan of the Registrant (incorporated by reference from
  Exhibit 10.3 to the Registrant's Registration Statement on Form S-1 (file no.
  333-134683)).
10.2
2006 Equity Incentive
  Plan of the Registrant (incorporated by reference from Exhibit 10.22 to the
  Registrant's Registration Statement on Form S-1 (file no. 333-134683)).
10.3
2006 Director Option
  Plan of the Registrant (incorporated by reference from Exhibit 10.23 to the
  Registrant's Registration Statement on Form S-1 (file no. 333-134683)).
10.4
Form of Incentive Stock
  Option Agreement for the 2006 Equity Incentive Plan.
10.5
Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for employees and
  consultants.
10.6
Form of Non-Statutory
  Stock Option Agreement for the 2006 Equity Incentive Plan for directors.
10.7
Form of Non-Statutory
  Stock Option Agreement for the 2006 Director Option Plan.
23.1
Consent of Ernst &
  Young LLP, Independent Registered Public Accounting Firm.
23.2
Consent of Bingham
  McCutchen LLP (included in Exhibit 5.1).
24
Power of Attorney
  (included in signature page hereto).
6