EARTHLINK INC
MATERIAL CONTRACTS
<DOCUMENT>
<TYPE>EX-10.2
<SEQUENCE>3
<FILENAME>a06-7397_1ex10d2.htm
<DESCRIPTION>MATERIAL CONTRACTS
<TEXT>
<html>

<head>





</head>

<body lang="EN-US">

<div>

<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 10.2</font></b></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">THIS NOTE AND THE COMMON STOCK ISSUABLE UPON CONVERSION OF
THIS NOTE HAVE NOT BEEN REGISTERED UNDER THE SECURITIES ACT OF 1933, AS AMENDED
(THE &#147;SECURITIES ACT&#148;). THIS NOTE AND THE COMMON STOCK ISSUABLE UPON CONVERSION
OF THIS NOTE MAY NOT BE SOLD, OFFERED FOR SALE, PLEDGED OR HYPOTHECATED EXCEPT
PURSUANT TO AN EFFECTIVE REGISTRATION STATEMENT UNDER THE SECURITIES ACT OR
PURSUANT TO AN EXEMPTION FROM REGISTRATION UNDER THE SECURITIES ACT.</font></b></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">[FACE OF NOTE]</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">COVAD COMMUNICATIONS GROUP, INC.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">12% Senior Secured Convertible Note due 2011</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="right" style="margin:0in 0in .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">$40,000,000.00</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">No.
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">COVAD
COMMUNICATIONS GROUP, INC., a Delaware corporation (&#147;Group&#148;), and COVAD
COMMUNICATIONS COMPANY, a California corporation (&#147;Operating&#148;; individually and
collectively with Group, the &#147;Company,&#148; which term includes any successor), for
value received, jointly and severally, promise to pay to EarthLink, Inc., or
its registered assigns or successors, the principal sum of Forty Million
Dollars and No Cents ($40,000,000.00) on March&nbsp;15, 2011.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Interest
Payment Dates:&#160; March&nbsp; 15 and
September&nbsp;15 of each year, commencing September&nbsp;15, 2006.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Regular
Record Dates:&#160; March&nbsp; 1 and
September&nbsp; 1 of each year.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Reference
is hereby made to the further provisions of this Note set forth on the reverse
hereof, which further provisions shall for all purposes have the same effect as
if set forth at this place.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">IN
WITNESS WHEREOF, the Company has caused this Note to be signed by its duly
authorized officers.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">COVAD
  COMMUNICATIONS GROUP, INC.</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="5%" colspan="7" valign="top" style="padding:0in 0in 0in 0in;width:5.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="30%" colspan="5" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:30.12%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="14%" valign="top" style="padding:0in 0in 0in 0in;width:14.88%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:3.7%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" colspan="9" valign="top" style="padding:0in 0in 0in 0in;width:46.28%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:3.7%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" colspan="5" valign="top" style="padding:0in 0in 0in 0in;width:6.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:
  </font></p>
  </td>
  <td width="39%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:39.82%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief
  Executive Officer</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" colspan="6" valign="top" style="padding:0in 0in 0in 0in;width:4.84%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="30%" colspan="5" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:30.12%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="15%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:15.04%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:3.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" colspan="10" valign="top" style="padding:0in 0in 0in 0in;width:46.4%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:3.58%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" colspan="6" valign="top" style="padding:0in 0in 0in 0in;width:6.6%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:
  </font></p>
  </td>
  <td width="39%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:39.82%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief
  Financial Officer</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date:
  March&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;, 2006</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">COVAD
  COMMUNICATIONS COMPANY</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" colspan="6" valign="top" style="padding:0in 0in 0in 0in;width:4.84%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="30%" colspan="4" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:30.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="15%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:15.16%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" colspan="11" valign="top" style="padding:0in 0in 0in 0in;width:46.5%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" colspan="2" valign="top" style="padding:0in 0in 0in 0in;width:3.5%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" colspan="6" valign="top" style="padding:0in 0in 0in 0in;width:6.5%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:
  </font></p>
  </td>
  <td width="40%" colspan="5" valign="top" style="padding:0in 0in 0in 0in;width:40.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief
  Executive Officer</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" colspan="5" valign="top" style="padding:0in 0in 0in 0in;width:4.76%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="30%" colspan="5" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0in 0in 0in 0in;width:30.08%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="15%" colspan="3" valign="top" style="padding:0in 0in 0in 0in;width:15.16%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="46%" colspan="12" valign="top" style="padding:0in 0in 0in 0in;width:46.64%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0in 0in 0in 0in;width:3.34%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" colspan="8" valign="top" style="padding:0in 0in 0in 0in;width:6.84%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:
  </font></p>
  </td>
  <td width="39%" colspan="4" valign="top" style="padding:0in 0in 0in 0in;width:39.82%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Chief
  Financial Officer</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="50%" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date:
  March&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;, 2006</font></p>
  </td>
  <td width="50%" colspan="13" valign="top" style="padding:0in 0in 0in 0in;width:50.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr height="0">
  <td width="374" style="border:none;"></td>
  <td width="25" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="8" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="37" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="184" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="1" style="border:none;"></td>
  <td width="111" style="border:none;"></td>
 </tr>
</table>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='2',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">[REVERSE SIDE OF NOTE]</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">COVAD COMMUNICATIONS GROUP, INC.<br>
COVAD COMMUNICATIONS COMPANY</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">12% Senior Secured Convertible Note due 2011</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 1.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Principal and Interest</u>.</font></h1>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Subject to Section 1(d), the
Company will pay the principal of this Note on March&nbsp; 15, 2011 (the &#147;<u>Final
Maturity</u>&#148;). The Company, jointly and severally, promises to pay interest on
the principal amount of this Note on each Interest Payment Date, as set forth
below, at the rate per annum shown above.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Interest will be payable
semiannually (to the holders of record of the Notes at the close of business on
the March&nbsp; 1 or September&nbsp;1 immediately preceding the Interest
Payment Date) on each Interest Payment Date, commencing September&nbsp;15,
2006. Interest on the Notes will accrue from the most recent date to which
interest has been paid or, if no interest has been paid, from March&nbsp; &nbsp;&nbsp;&nbsp;&nbsp;,
2006 (the &#147;<u>Issue Date</u>&#148;). Interest will be computed on the basis of a
360-day year comprised of twelve 30-day months. The Company shall pay interest
on overdue principal and premium, if any, and interest on overdue installments
of interest, to the extent lawful, at a rate per annum that is 2% in excess of
the rate otherwise payable.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; The Company will have the option
to pay interest in cash or through the issuance of notes, other than the notes
comprising the first $40,000,000.00 principal amount of Notes issued on the
date hereof (the &#147;<u>Initial Notes</u>&#148;), which shall be issued as part of the
same series as the Initial Notes (the &#147;<u>Additional Notes</u>&#148; and, together
with the Initial Notes, the &#147;<u>Notes</u>&#148;). The Additional Notes will be
identical to the Initial Notes, except that interest will begin to accrue from
the date they are issued rather than the Issue Date. The Company shall provide
written or oral notice to the Holders five Business Days prior to an Interest
Payment Date of whether such interest payment will be made in cash, by the
issuance of Additional Notes or by a combination thereof. If the Company fails
to deliver such notice in such time period, interest for the period for which
the notice was not properly given shall be paid by the issuance of Additional
Notes. Any cash interest payment will be in such coin or currency of the United
States of America as at the time of payment is legal tender for payment of
public and private debts.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Notwithstanding, the first
sentence of Section 1(a), in the event that: (i) (A) Operating elects under
Section 9.2.4 of that certain Agreement for XGDSL Services, dated of even date
herewith, between Operating and EarthLink, Inc. (&#147;<u>EarthLink</u>&#148;) (the &#147;<u>Services
Agreement</u>&#148;) not to proceed with the Phase II Build Out (as defined in the
Services Agreement) by written notice to EarthLink (&#147;<u>Phase II Notice</u>&#148;),
or (B) Operating receives from EarthLink notice of a Substantial Performance
Failure, as defined in and in accordance with the terms of, Section 4.5 of the
Services Agreement and Exhibit 2 of the Services Agreement (the &#147;<u>Substantial
Performance Notice</u>&#146;) and (ii) with respect to subsection (d)(i)(A), on the
date of the Phase II Notice EarthLink holds at least two-thirds of the
outstanding aggregate principal amount of the Notes and of the Primary Shares,
then EarthLink may, in either case and at its option, at any time</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='3',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">during the 30-day period following receipt of the
Phase II Notice or the Substantial Performance Notice, as applicable, by
written notice to the Company (the &#147;<u>Election Notice</u>&#148;), require the
Company to pay the remaining principal amount of the Notes held by EarthLink on
the date of the Election Notice (&#147;<u>Amortized Notes</u>&#148;) in four equal annual
installments due March 15 of each year, commencing on March 15, 2007 and ending
on March 15, 2010 (the &#147;<u>Principal Installments</u>&#148;); <u>provided</u>, <u>however</u>,
that if such Election Notice is made after any of such dates the principal on
the Amortized Notes will be paid ratably on the remaining dates. Accrued
interest, if any, on the Principal Installments shall be paid in accordance
with Section&nbsp;1(b). From and after the date of the Election Notice, the
Amortized Notes shall continue to be governed by this Section 1(d), regardless
of any subsequent transfer by EarthLink of all or any portion of the Amortized
Notes.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 2.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Method of Payment</u>. The
Company will pay interest (except defaulted interest) on the principal amount
of the Notes as provided above on each March&nbsp; 15 and September&nbsp;15,
commencing September&nbsp; 15, 2006, to each person in whose names the Notes
are registered (a &#147;<u>Holder</u>&#148;) on the March 1 or September&nbsp;1
immediately preceding the Interest Payment Date, in each case, even if the Note
is cancelled on registration of transfer or registration of exchange after such
record date. If a payment date is a date other than a Business Day, payment may
be made on the next succeeding day that is a Business Day and no interest shall
accrue for the intervening period. &#147;<u>Business Day</u>&#148; shall mean any day
except Saturday, Sunday or any other day on which commercial banks in the State
of California are authorized by law or other governmental action to close.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 3.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Limitations</u>. The Notes are
general secured obligations of each of Group and Operating, will rank <i><font style="font-style:italic;">pari</font></i>  <i><font style="font-style:italic;">passu</font></i>
in right of payment with all existing and future secured, unsubordinated
indebtedness of each of Group and Operating and will be senior in right of
payment to all unsecured indebtedness and subordinated indebtedness of each of
Group and Operating.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 4.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Conversion of Note by Holder</u>.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Subject to the further provisions
of this Section 4(a), a Holder of a Note may convert such Note (or portion
thereof) at any time beginning March 15, 2008, through the close of business on
the Final Maturity at the Conversion Price then in effect into shares of the
common stock of Group (the &#147;<u>Common Stock</u>&#148;); <i><font style="font-style:italic;">provided</font></i>  <i><font style="font-style:italic;">however</font></i>,
that in the event of a Change in Control, a Holder may convert such Note
immediately prior to the Change of Control irrespective of whether conversion
were to occur prior to March 15, 2008. For purposes of this Section 4, the
Company shall mail notice to the Holders not less than five Business Days prior
to the occurrence of any Change of Control, provided that the Company has
knowledge of such Change in Control. The number of shares of Group&#146;s Common
Stock issuable upon conversion of a Note shall be determined by dividing the
outstanding principal amount (excluding accrued and unpaid interest) of the
Note (or portion thereof) surrendered for conversion by the Conversion Price in
effect on the Conversion Date (as defined in Section 4(b)). In connection with
any such conversion, such Holder also shall have the right to receive a payment
(each, a &#147;<u>Conversion Interest Payment</u>&#148;), at the time and in the manner
provided in Section 4(b), of the accrued and unpaid interest with respect to
the outstanding principal amount of the Note (or portion thereof) so converted,
which payment shall be made, at the election of the Company, in cash, Common</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">4</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='4',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Stock, or a combination thereof. Subject to adjustment
or voluntary reduction as provided in this Section&nbsp;4, the Conversion Price
initially shall be $1.86 per share of Group&#146;s Common Stock.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">A
Holder of Notes is not entitled to any rights of a holder of Group&#146;s Common
Stock until such Holder has converted its Notes to Group&#146;s Common Stock.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Conversion Procedure</u>. To
convert a Note, a Holder must (i)&nbsp;complete and manually sign the
conversion notice on the back of the Note (or complete and manually sign a
facsimile of such notice) and deliver such notice to the Company,
(ii)&nbsp;surrender the Note to the Company, (iii)&nbsp;have satisfied any
necessary filing requirements under the Hart-Scott-Rodino Act of 1976, as
amended (the &#147;<u>HSR Act</u>&#148;), in respect of its acquisition of the shares of
Group&#146;s Common Stock upon such conversion and the waiting period under such HSR
Act shall have expired or been terminated without objection to such
acquisition, (iv)&nbsp;have received any other necessary regulatory consents to
its acquisition of the shares of Group&#146;s Common Stock upon such conversion and
(v)&nbsp;pay any transfer or similar tax if required pursuant to Section 4(d)
hereof. The date on which the Holder satisfies all of those requirements is the
&#147;<u>Conversion Date</u>.&#148;&#160; The notice of
conversion shall state that the Holder has satisfied or will have satisfied
prior to the issuance of shares of the Group&#146;s Common Stock upon conversion of
such principal amount, and prior to the payment of the Conversion Interest
Payment, any and all legal or regulatory requirements for conversion, including
compliance with the Securities Act, the Securities Exchange Act of 1934, as
amended (the &#147;<u>Exchange Act</u>&#148;) and the HSR Act. The Company shall use its
reasonable best efforts in cooperating in a timely manner with such Holder to
obtain such legal or regulatory approvals to the extent its cooperation is
necessary.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">As
soon as practicable after the Conversion Date and in no event later than five
Business Days following the Conversion Date, Group shall deliver to the Holder
(i)&nbsp;a certificate for the number of whole shares of Group&#146;s Common Stock
issuable upon the conversion of the Note or portion thereof as determined in
accordance with this Section&nbsp;4, (ii)&nbsp;cash in lieu of any fractional
shares pursuant to Section 4(c) hereof and (iii)&nbsp;cash, Common Stock, or a
combination thereof, in an amount equal to the Conversion Interest Payment.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
individual, corporation, partnership, limited liability company, joint venture,
association, joint-stock company, trust or other entity organization, including
a government or political subdivision or an agency or instrumentality thereof
(each a &#147;<u>Person</u>&#148; or &#147;<u>Persons</u>&#148;) in whose name the certificate is
registered shall be deemed to be a stockholder of record on and after the
Conversion Date, as the case may be; <i><font style="font-style:italic;">provided</font></i>
that no surrender of a Note on any date when the stock transfer books of Group
shall be closed shall be effective to constitute the Person or Persons entitled
to receive the shares of Group&#146;s Common Stock upon such conversion as the
record holder or holders of such shares of Group&#146;s Common Stock on such date,
but such surrender shall be effective to constitute the Person or Persons
entitled to receive such shares of Group&#146;s Common Stock as the record holder or
holders thereof for all purposes at the close of business on the next
succeeding day on which such stock transfer books are open; and <i><font style="font-style:italic;">provided further</font></i>, that such conversion
shall be at the Conversion Price in effect on the Conversion Date as if the
stock transfer books of Group had not been closed. Upon conversion of a Note
(in whole and not in part), such Person shall no longer be a Holder of such
Note.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">5</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='5',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If
any Holder surrenders a Note for conversion after the close of business on the
Regular Record Date for the payment of an installment of interest and before
the close of business on the related Interest Payment Date, the Company shall
pay accrued interest, if any, through the Conversion Date to the Holder of such
Note on such Regular Record Date.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Upon
surrender of a Note that is converted in part, as soon as practicable after the
Conversion Date and in no event later than five Business Days following the
Conversion Date, the Company shall execute and deliver to the Holder, a new
Note equal in principal amount to the unconverted portion of the Note
surrendered.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If
the last day on which a Note may be converted is not a Business Day, the Note
may be surrendered to the Company on the next succeeding day that is a Business
Day.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Fractional Shares</u>. Group
shall not issue fractional shares of its Common Stock upon conversion of any
Notes. In lieu thereof, the Company shall, at the Company&#146;s option, pay an
amount in cash based upon the Current Market Price on the Business Day
immediately prior to the Conversion Date or round up the number of shares of
Group&#146;s Common Stock issuable upon such conversion to the next highest whole
number of shares.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Taxes on Conversion</u>. If a
Holder converts a Note, the Company shall pay any documentary, stamp or similar
issue or transfer tax due on the issue of shares of its Common Stock upon such
conversion. However, the Holder shall pay any such tax that is due because the
Holder requests the shares to be issued in a name other than the Holder&#146;s name.
Group may refuse to deliver the certificate representing the shares of Group&#146;s
Common Stock being issued in a name other than the Holder&#146;s name until the
Company receives a sum sufficient to pay any tax which will be due because the
shares are to be issued in a name other than the Holder&#146;s name. Nothing herein
shall preclude any tax withholding required by law or regulation.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Adjustment of Conversion Price</u>.
The Conversion Price shall be adjusted from time to time by the Company as
follows:</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; In case Group shall (A)&nbsp;pay a
dividend in shares of its Common Stock to all holders of its Common Stock,
(B)&nbsp;make a distribution in shares of its Common Stock to all holders of
its Common Stock, (C)&nbsp;subdivide or split its outstanding Common Stock into
a larger number of shares, or (D)&nbsp;combine its outstanding Common Stock
into a smaller number of shares, the Conversion Price in effect immediately
prior thereto shall be adjusted so that the Holder of any Note thereafter surrendered
for conversion shall be entitled to receive that number of shares of Group&#146;s
Common Stock that it would have owned or been entitled to receive had such Note
been converted immediately prior to the happening of such event. An adjustment
made pursuant to this Section 4(e)(i) shall become effective as of the close of
business on the record date fixed for the determination of stockholders
entitled to receive such dividend or distribution in the case of a dividend in
shares or distribution in shares and shall become effective as of the close of
business on the effective date in the case of a subdivision, split or
combination. If any dividend or distribution of the type described in this
Section 4(e)(i) is declared but not so paid or made, the Conversion Price shall
again be adjusted to the Conversion Price that would then be in effect if such
dividend or distribution had not been declared.</font></h3>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='6',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(ii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; In case (A)&nbsp;Group shall issue
rights, options or warrants to all or substantially all holders of its Common
Stock entitling them (for a period commencing no earlier than the record date
described below and expiring not more than 60 days after such record date) to
subscribe for or purchase shares of its Common Stock (or securities convertible
into its Common Stock) at a price per share less than the Current Market Price
at the record date fixed for the determination of stockholders entitled to
receive such rights or warrants or (B)&nbsp;Group shall sell or issue any shares
of its Common Stock and the consideration per share of Group&#146;s Common Stock to
be paid upon such sale or issuance is less than the Current Market Price or
Group shall sell or issue warrants, options, rights or other convertible
securities to subscribe for or purchase shares of its Common Stock at a price
per share less than the Current Market Price on the date of such sale or
issuance, the Conversion Price in effect immediately prior to the close of
business on the record date or issue date thereto shall be reduced so that the
same shall equal the price determined by multiplying the Conversion Price in
effect immediately prior to the close of business on such record date or issue
date (as the case may be) by a fraction, the numerator of which shall be the
number of shares of Group&#146;s Common Stock outstanding at the close of business
on such record date or issue date (as the case may be), plus the number of
shares that the aggregate offering price of the total number of shares of
Group&#146;s Common Stock so offered (or the aggregate conversion price of the
convertible securities so offered) would purchase at such Current Market Price,
and the denominator of which shall be the number of shares of Group&#146;s Common
Stock outstanding at the close of business on such record date or issue date
(as the case may be) plus the number of additional shares of Group&#146;s Common
Stock offered (or into which the convertible securities so offered are
convertible). Such adjustment shall be made successively whenever any such
rights, options, warrants or convertible securities are issued, and shall
become effective as of the close of business on such record date or issue date
(as the case may be). To the extent that shares of Group&#146;s Common Stock are not
delivered after the expiration of such rights, options or warrants, the
Conversion Price shall be adjusted to the Conversion Price that would then be
in effect had the reduction made upon the issuance of such rights, options or
warrants been made on the basis of delivery of only the number of shares of
Group&#146;s Common Stock actually delivered. In the event that such rights, options
or warrants are not so issued, the Conversion Price shall again be adjusted to
be the Conversion Price that would then be in effect if such record date had
not been fixed. In determining whether any rights, options or warrants entitle
the holders to subscribe for or purchase shares of Group&#146;s Common Stock at less
than such Current Market Price, and in determining the aggregate offering price
of such shares of Group&#146;s Common Stock, there shall be taken into account the
fair market value of any consideration received by Group for such rights,
options or warrants and any amount payable on exercise or conversion thereof.</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; In case Group shall, by dividend or
otherwise, distribute to all holders of its Common Stock, cash, then, in such
case, the Conversion Price shall be reduced so that the same shall equal the
price determined by multiplying the Conversion Price in effect immediately
prior to the close of business on the record date fixed for the determination
of stockholders entitled to receive such distribution by a fraction, the
numerator of which shall be Current Market Price on such record date less the
amount of cash so distributed (and not excluded as provided above) applicable
to one share of Group&#146;s Common Stock and the denominator shall be the Current
Market Price on such record date. Such reduction shall become effective as of
the close of business on such record date; <i><font style="font-style:italic;">provided</font></i>
that, in the event the portion of the cash so distributed applicable to one
share of Group&#146;s Common Stock is equal to</font></h3>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">7</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='7',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">or greater than the Current Market Price on such
record date, in lieu of the foregoing adjustment, adequate provision shall be
made so that each Holder shall have the right to receive upon conversion, in
addition to the shares of Group&#146;s Common Stock issuable upon such conversion,
the amount of cash such Holder would have received had such Holder converted
such Note on such record date. In the event that such dividend or distribution
is not so paid or made, the Conversion Price shall again be adjusted to be the
Conversion Price that would then be in effect if such dividend or distribution
had not been declared. If any adjustment is required to be made as set forth in
this Section 4(e)(iii) as a result of a distribution that is a regular
dividend, such adjustment shall be based upon the amount by which such
distribution exceeds the amount of the regular cash dividend permitted to be
excluded pursuant hereto. If an adjustment is required to be made as set forth
in this Section 4(e)(iii) as a result of a distribution that is not a regular
dividend, such adjustment shall be based upon the full amount of the
distribution.</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(iv)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; In case Group shall distribute to all
or substantially all holders of its Common Stock any of Group&#146;s shares,
interests, participations or other equivalents (however designated, whether
voting or non-voting) in equity, whether outstanding on the Issue Date or issued
thereafter, including all preferred stock of Group (the &#147;<u>Capital Stock</u>&#148;)
(other than Group&#146;s Common Stock), evidences of indebtedness or other non-cash
assets (including securities of any Person), or shall distribute to all holders
of its Common Stock rights, options or warrants to subscribe for or purchase
any of its securities (excluding those referred to in Section 4(e)(ii)) (any of
the foregoing hereinafter referred to as the &#147;<u>Distributed Securities</u>&#148;),
then in each such case the Conversion Price in effect immediately prior to the
close of business on the record date for the determination of stockholders
entitled to receive such Distributed Securities shall be reduced so that the
same shall equal the price determined by multiplying the Conversion Price in
effect as of the close of business on such record date by a fraction, the
numerator of which shall be the Current Market Price on such record date less
the fair market value on such record date of the portion of the Distributed
Securities applicable to one share of Group&#146;s Common Stock (determined on the
basis of the number of shares of Group&#146;s Common Stock outstanding on the record
date), and the denominator of which shall be the Current Market Price on such
record date. Such reduction shall become effective as of the close of business
on such record date; <i><font style="font-style:italic;">provided</font></i>,
that the then fair market value of the portion of the Distributable Securities
so distributed applicable to one share of Group&#146;s Common Stock is equal to or
greater than the Current Market Price on such record date, in lieu of making
the foregoing reduction, adequate provision shall be made so that each Holder
of a Note receives at such time, or shall have the right to receive upon such
conversion, in addition to the shares of Group&#146;s Common Stock issuable upon
such conversion, the amount of Distributed Securities such Holder would have
received had such Holder converted such Note on such record date. In the event
that such distribution is not so made, the Conversion Price shall again be adjusted
to be the Conversion Price that would then be in effect if such dividend or
distribution had not been declared. If the Board of Directors determines the
fair market value of any distribution for purposes of this Section 4(e)(iv) by
reference to the actual or when issued trading market for any securities, it
must in doing so consider the prices in such market over the same period used
in computing the Current Market Price.</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Rights,
options or warrants distributed by Group to all holders of Group&#146;s Common Stock
entitling the holders thereof to subscribe for or purchase shares of Group&#146;s
Capital Stock (either initially or under certain circumstances), which rights
or warrants, until the occurrence of a</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">8</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='8',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">specified
event or events (each a &#147;<u>Trigger Event</u>&#148;):&#160; (A)&nbsp;are deemed to be transferred with
such shares of Group&#146;s Common Stock, (B)&nbsp;are not immediately exercisable
and (C)&nbsp;are also issued in respect of future issuances of Group&#146;s Common
Stock, shall be deemed not to have been distributed for purposes of this
Section 4(e) (and no adjustment to the Conversion Price under this Section 4(e)
shall be required) until the occurrence of the earliest Trigger Event,
whereupon such rights and warrants shall be deemed to have been distributed and
an appropriate adjustment (if any is required) to the Conversion Price shall be
made under this Section 4(e)(iv).</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If
any such right, option or warrant, including any such existing right, option or
warrant distributed prior to the Issue Date, is subject to events, upon the
occurrence of which such right, option or warrant becomes exercisable to
purchase different securities, evidences of indebtedness or other non-cash
assets, then the date of the occurrence of any and each such event shall be
deemed to be the date of distribution and record date with respect to new
rights, options or warrants with such rights (and a termination or expiration
of the existing rights, options or warrants without exercise by any of the
holders thereof). In addition, in the event of any distribution (or deemed
distribution) of rights, options or warrants, or any Trigger Event or other
event (of the type described in the preceding sentence) with respect thereto
that was counted for purposes of calculating a distribution amount for which an
adjustment to the Conversion Price under this Section 4(e) was made,
(A)&nbsp;in the case of any such rights, options or warrants that shall all
have been redeemed or repurchased without exercise by any holders thereof, the
Conversion Price shall be readjusted upon such final redemption or repurchase
to give effect to such distribution or Trigger Event, as the case may be, as
though it were a cash distribution, equal to the per share redemption or
repurchase price received by a holder or holders of Group&#146;s Common Stock with
respect to such rights, options or warrants (assuming such holder had retained
such rights, options or warrants), made to all holders of Group&#146;s Common Stock
as of the date of such redemption or repurchase and (B)&nbsp;in the case of
such rights, options or warrants that shall have expired or been terminated
without exercise by any holders thereof, the Conversion Price shall be
readjusted as if such rights, options and warrants had not been issued.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">No
adjustment of the Conversion Price shall be made pursuant to this Section
4(e)(iv) in respect of rights, options or warrants distributed or deemed
distributed on any Trigger Event to the extent that such rights, options or
warrants are actually distributed, or reserved by Group for distribution, to
any Holder upon conversion by such Holder of a Note to shares of Group&#146;s Common
Stock. For purposes of this Section 4(e)(iv) and Sections 4(e)(i) and (ii), any
dividend or distribution to which this Section 4(e)(iv) is applicable that also
includes shares of Group&#146;s Common Stock, or rights, options or warrants to
subscribe for or purchase shares of Group&#146;s Common Stock (or both), shall be
deemed instead to be (A)&nbsp;a dividend or distribution of the evidences of
indebtedness, non-cash assets or shares of Group&#146;s Capital Stock other than
such shares of Group&#146;s Common Stock (and any Conversion Price reduction
required by this Section 4(e)(iv) with respect to such dividend or distribution
shall then be made) immediately followed by (B)&nbsp;a dividend or distribution
of such shares of Group&#146;s Common Stock or such rights, options or warrants (and
any further Conversion Price reduction required by Sections 4(e)(i) and (ii)
with respect to such dividend or distribution shall then be made), except &#147;the
record date for the determination of stockholders entitled to receive such
Distributed Securities&#148; shall be substituted as &#147;the record date fixed for the
determination of stockholders entitled to receive such dividend or
distribution&#148; and &#147;the record date fixed for the determination of</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">9</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='9',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">stockholders
entitled to receive such rights, options or warrants&#148; within the meaning of
Sections 4(e)(i) and (ii).</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(v)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; In case a tender or exchange offer made
by Group or any subsidiary of Group for all or any portion of Group&#146;s Common
Stock shall expire and such tender or exchange offer (as amended upon the
expiration thereof) shall involve the payment by Group or such subsidiary to
stockholders of consideration per share of Group&#146;s Common Stock having a fair
market value (at the last time (the &#147;<u>Expiration Time</u>&#148;) tenders or
exchanges may be made pursuant to such tender or exchange offer (as it shall
have been amended)) that exceeds the Current Market Price on the Trading Day
next succeeding the Expiration Time, the Conversion Price shall be reduced so
that the same shall equal the Conversion Price determined by multiplying the
Conversion Price in effect immediately prior to the Expiration Time by a
fraction, the numerator of which shall be the number of shares of Group&#146;s
Common Stock outstanding (including any tendered or exchanged shares) at the
Expiration Time multiplied by the Current Market Price on the Trading Day next
succeeding the Expiration Time, and the denominator of which shall be the sum
of (A)&nbsp;the fair market value of the aggregate consideration payable to
stockholders based on the acceptance (up to any maximum specified in the terms
of the tender or exchange offer) of all shares validly tendered or exchanged
and not withdrawn as of the Expiration Time (the shares deemed so accepted up
to any such maximum, being referred to as the &#147;<u>Purchased Shares</u>&#148;) and
(B)&nbsp;the product of the number of shares of Group&#146;s Common Stock
outstanding (less any Purchased Shares) at the Expiration Time and the Current
Market Price on the Trading Day next succeeding the Expiration Time, such
reduction to become effective immediately prior to the opening of business on
the Trading Day next succeeding the Expiration Time. In the event that Group or
such subsidiary is obligated to purchase shares of Group&#146;s Common Stock
pursuant to any such tender or exchange offer, but Group or such subsidiary is
permanently prevented by applicable law from effecting any such purchases or
all such purchases are rescinded, the Conversion Price shall again be adjusted
to be the Conversion Price that would then be effect if such tender or exchange
offer had not been made.</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(vi)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; The following terms shall have the
meaning indicated:</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Closing
Price</u>&#148; means, with respect to any securities on any date, the closing sale
price, regular way, on such day or, in case no such sale takes place on such
day, the average of the reported closing bid and asked prices, regular way, in
each case on the New York Stock Exchange, or, if such security is not listed or
admitted to trading on such Exchange, on the principal security exchange or
automated quotation system in the United States on which such security is
quoted or listed or admitted to trading, or, the average of the closing bid and
asked prices of such security on the over the counter market on the day in
question as reported by The Nasdaq National Market or a similar generally
accepted reporting service, or if not so available, in such manner as furnished
by any New York Stock Exchange member firm selected from time to time by the
Board of Directors for that purpose.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Current
Market Price</u>&#148; means the average of the daily Closing Prices per share of
Group&#146;s Common Stock for the ten consecutive Trading Days immediately prior to
the date in question or, if Group&#146;s Common Stock is not listed or quoted or
admitted to trading on any</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">10</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='10',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">national
security exchange or automated quotation system in the United States, the fair
market value of Group&#146;s Common Stock immediately prior to the date in question.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>fair
market value</u>&#148; means the price that would be paid in an arm&#146;s-length
transaction between an informed and willing seller under no compulsion to sell
and an informed and willing buyer under no compulsion to buy, as determined in
good faith by the Board of Directors; <i><font style="font-style:italic;">provided</font></i>
that with respect to any transaction or series of related transactions having a
value in excess of $10 million, such determination is made by disinterested
members of the Board of Directors (it being acknowledged and agreed that no
such member shall be deemed interested in any such transaction by reason of the
fact that such member or any of its affiliates owns or controls securities of
Group).</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Trading
Day</u>&#148; means a day on which the principal national securities exchange or
automated quotation system in the United States on which Group&#146;s Common Stock
is listed or quoted or admitted to trading is open for the transaction of
business or, if Group&#146;s Common Stock is not listed or quoted or admitted to
trading on any national securities exchange or automated quotation system in
the United States, any Business Day.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(vii)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; In any case in which this Section 4(e)
shall require that an adjustment be made on a record date established for
purposes of this Section 4(e), the Company may elect to defer (but only until
five Business Days following the mailing by the Company to the Holders of the
certificate described in Section 4(i) hereof) issuing to the Holder of any Note
converted after such record date but prior to the issue date, the shares of
Group&#146;s Common Stock and other Capital Stock of Group issuable upon such
conversion over and above the shares of Group&#146;s Common Stock and other Capital
Stock of Group issuable upon such conversion only on the basis of the
Conversion Price prior to adjustment and, in lieu of the shares the issuance of
which is so deferred, Group shall issue or cause its transfer agents to issue
due bills or other appropriate evidence prepared by Group of the right to
receive such shares.</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(viii)&#160;&#160;&#160;&#160;&#160;&#160;&#160; If any of the following shall occur,
namely:&#160; (A)&nbsp;any reclassification or
change of shares of Group&#146;s Common Stock issuable upon conversion of the Notes
(other than a change in par value, or from par value to no par value, or from
no par value to par value, or as a result of a subdivision or combination, or
any other change for which an adjustment is provided in this Section 4(e));
(B)&nbsp;any consolidation, merger or combination to which Group is a party
other than a merger in which Group is the continuing corporation and which does
not result in any reclassification of, or change (other than a change in name,
or in par value, or from par value to no par value, or from no par value to par
value, or as a result of a subdivision or combination) in, outstanding shares
of Group&#146;s Common Stock; or (C)&nbsp;any sale, transfer or conveyance of all or
substantially all of the property and assets of Group to any Person, then
Group, or such successor or purchasing corporation or, if applicable, the
parent entity of such successor or purchasing corporation, as the case may be,
shall, as a condition precedent to such reclassification, change,
consolidation, merger, combination, sale, transfer or conveyance, execute and
deliver to the Holders an amendment to the Notes providing that the Holder of
each Note then outstanding shall have the right to convert such Note into the
kind and amount of shares of stock and other securities and property (including
cash) receivable upon such reclassification, change, consolidation, merger,
combination, sale, transfer or conveyance by a holder of the number of shares
of Group&#146;s Common Stock deliverable upon conversion of</font></h3>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">11</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='11',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">such Note immediately prior to such reclassification,
change, consolidation, merger, sale, transfer or conveyance.</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(f)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>No Adjustment</u>. No
adjustment in the Conversion Price shall be required unless the adjustment
would require an increase or decrease of at least 1% in the Conversion Price as
last adjusted; <i><font style="font-style:italic;">provided</font></i> that any
adjustments which by reason of this Section 4(f) are not required to be made
shall be carried forward and taken into account in any subsequent adjustment.
All calculations under this Section&nbsp;4 shall be made to the nearest cent or
to the nearest one hundredth of a share, as the case may be. No adjustment need
be made for (i) the issuance of options or rights to purchase Common Stock
pursuant to any present or future employee, director or consultant benefit plan
or program of or assumed by Group or any subsidiary so long as the exercise
price of such options or rights is not less than the Current Market Price per
share of Common Stock on such issue date, (ii) the issuance of Common Stock
pursuant to and in accordance with the terms of Group&#146;s Employee Stock Purchase
Plan, or (iii)&nbsp;the issuance of Common Stock pursuant to any option,
warrant, right or exercisable, exchangeable or convertible security outstanding
as of the Issue Date. No adjustment need be made for a change in the par value
or a change to no par value of Group&#146;s Common Stock. To the extent that the
Notes become convertible into the right to receive cash, no adjustment need be
made thereafter as to the cash. Interest will not accrue on the cash. Notwithstanding
anything to the contrary herein or in any Additional Note, in no event shall
the conversion of this Note and any Additional Notes (as defined in this Note
and in the Registration Rights Agreement of even date herewith between Group
and EarthLink), taking into account all prior conversions, be converted in an
aggregate number of shares of Common Stock which in the aggregate exceeds 19.9%
of the then outstanding shares of Common Stock.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(g)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Adjustment for Tax Purposes</u>.
Group shall be entitled to make such reductions in the Conversion Price, in
addition to those required by Section 4(e), as it in its discretion shall
determine to be advisable in order that any stock dividends, subdivisions of
shares, distributions of rights to purchase stock or Notes or distributions of
Notes convertible into or exchangeable for Capital Stock hereafter made by
Group to its stockholders shall not be taxable, <i><font style="font-style:italic;">provided</font></i> that such reduction does not have an adverse effect
for tax purposes, or otherwise, on Holders of the Notes.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(h)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Notice of Adjustment</u>.
Whenever the Conversion Price is adjusted, the Company shall promptly mail to
Holders a notice of the adjustment and an Officers&#146; Certificate (as defined in
Section 9(i)) briefly stating the facts requiring the adjustment, the manner of
computing it, the new Conversion Price and the date on which the adjustment
becomes effective.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Notice of Certain
Transactions</u>. In the event that (i)&nbsp;Group takes any action that would
require an adjustment in the Conversion Price, (ii)&nbsp;Group consolidates,
merges or combines with, or transfers all or substantially all of its property
and assets to, another Person and stockholders of Group must approve the
transaction, or (iii)&nbsp;there is a dissolution, liquidation or winding up of
Group, the Company shall mail to Holders a notice stating the proposed record
or effective date, as the case may be. The Company shall mail the notice at
least 15 days before such date.</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">12</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='12',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 5.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Redemption of Notes</u>.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Upon the occurrence of any Change
of Control, the Holder or Holders, as the case may be, shall have the right to
require the Company to repurchase all Notes then outstanding, at a purchase
price equal to 100% of the principal amount thereof <i><font style="font-style:italic;">plus</font></i> accrued and unpaid interest, if any, to the date of
purchase (the &#147;<u>Change of Control Redemption Price</u>&#148;). A notice of a
Change of Control will be mailed within 30 days after the date any Change of
Control occurs to each Holder. If any Holder elects to exercise the right to
receive the Change of Control Redemption Price under this Section 5(a), such
Holder will mail to the Company a notice of such election. Payment of the
Change of Control Redemption Price by the Company to the Holder shall be made
in cash in immediately available funds within 30 days after the Company
receives such notice of the Holder&#146;s election to receive the Change of Control
Redemption Price.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; The following terms shall have the
meaning indicated:</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Change
of Control</u>&#148; means the occurrence of one or more of the following
events:&#160; (i)&nbsp;the acquisition by any
person, including any syndicate or group deemed to be a &#147;person&#148; under Section
13(d)(3) of the Exchange Act, of beneficial ownership, directly or indirectly,
through a purchase, merger or other acquisition transaction or series of
purchase, merger or other acquisition transactions, of shares of Group&#146;s
Capital Stock entitling that person to exercise 50% or more of the total voting
power of all shares of Group&#146;s Capital Stock entitled to vote generally in
elections of directors, other than any acquisition by Group, any of Group&#146;s
subsidiaries or any of Group&#146;s employee benefit plans (except that any of those
persons shall be deemed to have beneficial ownership of all securities it has
the right to acquire, whether the right is currently exercisable or is
exercisable only upon the occurrence of a subsequent condition); (ii) the first
day on which a majority of the members of the Group&#146;s Board of Directors are
not Continuing Directors; or (iii) Group consolidates or merges with or into
any other person, any merger of another person into Group, or any conveyance,
transfer, sale, lease or other disposition, of all or substantially all of
Group&#146;s properties and assets to another person, other than:&#160; (A) any transaction:&#160; (x)&nbsp;that does not result in any
reclassification, conversion, exchange or cancellation of outstanding shares of
Group&#146;s Capital Stock; and (y) pursuant to which holders of Group&#146;s Capital
Stock immediately prior to the transaction have the entitlement to exercise,
directly or indirectly, 50% or more of the total voting power of all shares of
Capital Stock entitled to vote generally in elections of directors of the
continuing or surviving Person immediately after giving effect to such
issuance; and (B) any merger, share exchange, transfer of assets or similar
transaction solely for the purpose of changing Group&#146;s jurisdiction of
incorporation and resulting in a reclassification, conversion or exchange of
outstanding shares of Common Stock, if at all, solely into shares of common
stock, ordinary shares or American Depositary Shares of the surviving entity or
a direct or indirect parent of the surviving corporation.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Continuing
Director</u>&#148; means, as of any date of determination, any member of Group&#146;s
Board of Directors who (i) was a member of such Board of Directors on the Issue
Date or (ii) was nominated for election or elected to such Board of Directors
with the approval of a majority of the Continuing Directors who were members of
such Board of Directors at the time of such nomination or election.</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">13</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='13',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 6.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Persons Deemed Owners</u>. A
Holder shall be treated as the owner of a Note for all purposes.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 7.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Security Agreement</u>. The
Company&#146;s obligations to the Holders under this Note are secured by a lien on
and security interest in certain assets of Group and Operating (including,
without limitation, the equipment acquired with the proceeds of this Note), all
as more particularly described in that certain Security Agreement dated of even
date herewith made by each of Group and Operating for the benefit of the
Holders (the &#147;<u>Security Agreement</u>&#148;). Each Holder of any Notes, by its
acceptance thereof, consents and agrees to the terms of the Security Agreement
as the same may be in effect from time to time in accordance with its terms and
directs EarthLink (or its assignee), as collateral agent (the &#147;<b><font style="font-weight:bold;">Collateral Agent</font></b>&#148;), to enter into the
Security Agreement and to perform its obligations and exercise its rights
thereunder in accordance therewith. The Collateral Agent shall have all of the
powers and duties of the Secured Party (as defined in the Security Agreement)
under the Security Agreement and shall exercise such powers and duties on its own
behalf and on behalf of the other Holders. It is expressly understood and
agreed that no Holder other than the Collateral Agent shall have any rights or
duties under the Security Agreement except as provided in this <u>Section 7</u>;
<u>provided</u>, <u>however</u> that the Collateral Agent shall take any action
with respect to the Security Agreement as is directed in writing by a majority
of the Holders of outstanding aggregate principal amount of the Notes. In no
event shall the Collateral Agent be liable to any other Holder for any action
taken, or for the failure to take any action, as the Collateral Agent, except
for such actions or inactions constituting gross negligence or willful
misconduct. If at any time EarthLink ceases to hold the greatest percentage of
the outstanding aggregate principal amount of the Notes, then EarthLink (or any
assignee), with the prior written consent of the Company, not to be
unreasonably withheld, shall be entitled, but shall not be required, to assign
its rights to act as Collateral Agent to the Holder of the greatest percentage
of the outstanding aggregate principal amount of the Notes. Such assignment
shall be effective upon acceptance by such Holder and such Holder shall become
the &#147;Collateral Agent&#148; for all purposes under this Note and the Security
Agreement.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 8.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Amendment; Supplement; Waiver</u>.
Subject to certain exceptions, the Notes may be amended or supplemented with
the consent of the Holders of at least a majority in principal amount of the
Notes then outstanding and any existing default or compliance with any
provision may be waived with the consent of the Holders of at least a majority
in principal amount of the Notes then outstanding.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 9.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Covenants</u>.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Payment of Notes</u>. Group
and Operating shall, jointly and severally, pay the principal of, premium, if
any, and interest on the Notes on the dates and in the manner provided in the
Notes. Group and Operating shall, jointly and severally, pay interest on
overdue principal and premium, if any, and interest on overdue installments of
interest, to the extent lawful, at the rate per annum specified in the Notes.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Use of Proceeds</u>. Group and
Operating shall use the proceeds from the sale of the Notes in the manner
provided for in the Services Agreement.</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">14</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='14',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Limitation on Indebtedness</u>.
The Company shall not, and shall not permit any subsidiary to, contract,
create, incur, assume or permit to exist any secured Indebtedness, except
(i)&nbsp;Indebtedness arising or existing under the Note,
(ii)&nbsp;Indebtedness of the Company existing as of the Issue Date, (iii)
Indebtedness owing to EarthLink, (iv)&nbsp; Indebtedness related to the Phase
II Alternative Financing (as defined in the Services Agreement) not to exceed
$45,000,000 outstanding at any time, (v)&nbsp;purchase money Indebtedness in an
aggregate amount not to exceed $25,000,000 outstanding at any time, and (vi)
other Indebtedness not to exceed $75,000,000 outstanding at any time (including
asset based loan financing).</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Negative Pledge</u>. The
Company shall not, and shall not permit any subsidiary to, enter into, assume
or become subject to any agreement prohibiting or otherwise restricting the
creation or assumption of any lien upon its assets constituting PP&amp;E,
whether now owned or hereafter acquired, or requiring the grant of any security
for such obligation if security is given for some other obligation, except
(i)&nbsp;pursuant to this Agreement and the Note, (ii)&nbsp;pursuant to any
document or instrument governing Indebtedness incurred pursuant to
Section&nbsp;9(c), provided that any such agreement, in the case of
Indebtedness permitted under clauses (c)(iii), (iv) and (v) above, relates only
to the asset or assets constructed or acquired in connection therewith, and
(iii)&nbsp;in connection with any Permitted Lien or any document or instrument
governing any Permitted Lien; provided that any such restriction contained
therein relates only to the asset or assets subject to such Permitted Lien.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; The following terms shall have the
meaning indicated:</font></h3>

<h3 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:1.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h3>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Indebtedness</u>&#148;
shall mean, with respect to any Person, without duplication any liability of
such Person (i) for borrowed money; (ii) evidenced by bonds, debentures, notes
or similar instruments; (iii) in respect of letters of credit or bankers
acceptances or similar instruments (or reimbursement obligations with respect
thereto); (iv) to pay the deferred purchase price of property or services,
except trade accounts payable or accrued expenses arising in the ordinary
course of business; (v) as lessee, the obligations of which are capitalized in
accordance with generally accepted accounting principles; (vi) secured by a
lien on any asset of such Person, whether or not the obligation giving rise to
such lien is assumed by such Person; and (vii) for indebtedness of others
guaranteed by such Person or for which such Person is legally responsible or
liable (whether by agreement to purchase indebtedness of, or to supply funds or
to invest in, others).</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>Permitted
Lien</u>&#148; shall mean (i) the lien on and security interest in substantially all
of the Company&#146;s assets in favor of SBC Communications Inc. (the &#147;<u>SBC Lien</u>&#148;),
(ii) liens for taxes and special assessments not then delinquent, (iii) liens
of taxes and assessments which are delinquent but the validity of which is
being contested in good faith and with respect to which the Company has set
aside adequate reserves for payment, (iv) mechanics&#146; and materialmen&#146;s liens
arising or incurred in the ordinary course of business and which are being
contested in good faith and have not proceeded to judgment, provided the
Company has set aside adequate reserves for payment, and (v) such other
imperfections in title, charges, easements, restrictions and encumbrances which
could not, individually or when taken as a whole, result in a Material Adverse
Effect (as defined in the Purchase Agreement).</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">15</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='15',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;<u>PP&amp;E</u>&#148;
shall mean equipment, fixed assets, real property or improvements that have
been or should be, in accordance with GAAP, reflected as additions to property,
plant and equipment on a balance sheet of the Company or have a useful life of
more than one year.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Existence</u>. The Company
shall do or cause to be done all things necessary to preserve and keep in full
force and effect its existence and the existence of each subsidiary in
accordance with the respective organizational documents of the Company and each
such subsidiary and the rights (whether pursuant to charter, partnership
certificate, agreement, statute or otherwise), licenses and franchises of the
Company and each such subsidiary; <i><font style="font-style:italic;">provided</font></i>
that the Company shall not be required to preserve any such right, license or
franchise, or the existence of any subsidiary, if the maintenance or
preservation thereof is no longer desirable in the conduct of the business of
the Company and its subsidiaries, taken as a whole.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(f)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Payment of Taxes and Other
Claims</u>. The Company shall pay or discharge and shall cause each of its
subsidiaries to pay or discharge, or cause to be paid or discharged, before the
same shall become delinquent (i)&nbsp;all material taxes, assessments and
governmental charges levied or imposed upon (A)&nbsp;the Company or any such
subsidiary, (B)&nbsp;the income or profits of the Company or any such
subsidiary which is a corporation or (C)&nbsp;the property of the Company or
any such subsidiary and (ii)&nbsp;all material lawful claims for labor,
materials and supplies that, if unpaid, might by law become a lien upon the
property of the Company or any such subsidiary; <i><font style="font-style:italic;">provided</font></i> that the Company shall not be required to pay or
discharge, or cause to be paid or discharged, any such tax, assessment, charge
or claim the amount, applicability or validity of which is being contested in
good faith by appropriate proceedings and for which adequate reserves have been
established.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(g)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Notice of Defaults</u>. In the
event that the Company or any subsidiary becomes aware of any default or Event
of Default, the Company shall promptly deliver to the Holders an Officers&#146;
Certificate specifying such default or Event of Default.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(h)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>SEC and Other Reports</u>.
Group shall provide to each Holder, within 15 days after it files its annual
and quarterly reports, information, documents and other reports with the
Securities and Exchange Commission (the &#147;<u>SEC</u>&#148;), copies of such annual
report and of the information, documents and other reports (or copies of such
portions of any of the foregoing as the SEC may by rules and regulations
prescribe) which Group is required to file with the SEC pursuant to
Section&nbsp;13 or 15(d) of the Exchange Act provided that any such reports,
information or documents filed with the SEC pursuant to its Electronic Data and
Gathering Analysis and Retrieval System shall be deemed provided to each
Holder. Delivery of such reports, information and documents to each Holder is
for informational purposes only and each Holder&#146;s receipt of such shall not
constitute constructive notice of any information contained therein or
determinable from information contained therein, including Group&#146;s compliance
with any of its covenants hereunder (as to which each Holder is entitled to
rely conclusively on Officers&#146; Certificates).</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(i)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Compliance Certificate</u>.
The Company shall deliver to each Holder within 60 days after the end of each
fiscal quarter of the Company and 120 days after the end of each fiscal year of
the Company, a certificate signed by one Officer listed in clause (i) of the
definition thereof and one Officer listed in clause (ii) of the definition
thereof; <i><font style="font-style:italic;">provided</font></i> that any</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">16</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='16',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">such certificate may be signed by any two of the
Officers listed in clause (i) of the definition thereof in lieu of being signed
by one Officer listed in clause (i) of the definition thereof and one Officer
listed in clause (ii) of the definition thereof (an &#147;<u>Officers&#146; Certificate</u>&#148;),
stating whether or not to the knowledge of the signers thereof, the Company is
in default in the performance and observance of any of the terms, provisions
and conditions of this Note (without regard to any period of grace or
requirement of notice provided hereunder) and if the Company shall be in
default, specifying all such defaults and the nature and status thereof of
which they may have knowledge. &#147;<u>Officer</u>&#148; means, with respect to the
Company, (i)&nbsp;the Chairman of the Board of Directors, any Vice Chairman of
the Board of Directors, the Chief Executive Officer, the President or any Vice
President, and (ii)&nbsp;the Chief Financial Officer, the Treasurer or any
Assistant Treasurer, or the Secretary or any Assistant Secretary.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(j)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Transfer of Collateral</u>.
Notwithstanding anything to the contrary herein, the Company may transfer title
to all or any part of the Collateral (as defined in the Security Agreement) to
one or more direct or indirect wholly-owned subsidiaries of the Company (a &#147;<u>Permitted
Transferee</u>&#148;), <u>provided</u>, <u>however</u>, that prior to any such
transfer (i) such Permitted Transferee shall execute a joinder agreement or
guaranty in form and substance satisfactory to the Collateral Agent (A)
agreeing to be bound as a co-maker or guarantor under this Note and as a debtor
under the Security Agreement and (B) acknowledging and confirming the
Collateral Agent&#146;s continuing security interest in and lien on the Collateral,
(ii) the Company shall provide the Collateral Agent with written evidence that
all federal and state regulatory approvals and other third party consents, if
any, required for such transfer and joinder or guaranty have been obtained (the
&#147;<u>Required Approvals</u>&#148;) and (iii) the Collateral Agent shall indicate in
writing that it is satisfied that all Required Approvals for such transfer and
joinder or guaranty have been obtained; <u>provided</u>, <u>further</u>,
however, that notwithstanding any transfer of any Collateral to the Permitted
Transferee, neither Group nor Operating shall be released from its obligations
under the Security Agreement or under this Note.</font></h2>

<p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.9in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(k)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Further Instruments and Acts</u>.
Upon request of any Holder, the Company will execute and deliver such further
instruments and do such further acts as may be reasonably necessary or proper
to carry out more effectively the purposes of this Note.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 10.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Successor Persons</u>. When a
successor person or other entity assumes all the obligations of its predecessor
under the Notes, the predecessor person will be released from those obligations.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 11.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>When Company May Merge or
Transfer Assets</u>. Neither Group nor Operating shall consolidate with or
merge with or into any other Person or convey, transfer, sell, lease or
otherwise dispose of all or substantially all of its properties and assets to
any Person, unless:</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; either (i) Group or Operating, as
applicable, shall be the continuing corporation or (ii) the Person (if other
than Group or Operating) formed by such consolidation or into which Group or
Operating, as applicable, is merged or the Person that acquires by conveyance,
transfer or lease all or substantially all of the properties and assets of
Group or Operating, as applicable (A) shall be a corporation organized and
validly existing under the laws of the United States or any State thereof or
the District of Columbia and (B) shall expressly</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">17</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='17',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">assume, by an amended note hereto, executed and
delivered to the Holders, in form reasonably satisfactory to the Holders, all
of the obligations of Group or Operating, as applicable, under the Notes;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; immediately prior to and after
giving effect to such transaction, no Event of Default, and no event that,
after notice or lapse of time or both, would become an Event of Default, shall
have occurred and be continuing; and</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Group or Operating, as applicable,
shall have delivered to the Holders an Officers&#146; Certificate and a written
opinion from legal counsel, and, who may be an employee of, or counsel to, the
Company or the Holders, containing (i) a statement that each person making such
opinion of counsel has read such covenant or condition, (ii) a brief statement
as to the nature and scope of the examination or investigation upon which the
statements or opinions contained in such opinion of counsel are based, (iii) a
statement that, in the opinion of each such person, he has made such
examination or investigation as is necessary to enable such person to express
an informed opinion as to whether or not such covenant or condition has been
complied with and (iv) a statement that, in the opinion of such person, such
covenant or condition has been complied with, each stating that such
consolidation, merger, conveyance, transfer or lease and, if an amendment to
the Notes is required in connection with such transaction, such amended Notes,
comply with this Section 11 and that all conditions precedent herein provided
for relating to such transaction have been satisfied.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">For
purposes of the foregoing, the transfer (by lease, assignment, sale or
otherwise) of the properties and assets of one or more subsidiaries (other than
to the Company or another subsidiary), which, if such assets were owned by the
Company, would constitute substantially all of the properties and assets of the
Company, shall be deemed to be the transfer of substantially all of the
properties and assets of the Company.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
successor Person formed by such consolidation or into which Group or Operating,
as applicable, is merged or the successor Person to which such conveyance, transfer
or lease is made shall succeed to, and be substituted for, and may exercise
every right and power of Group or Operating, as applicable, under the Notes
with the same effect as if such successor had been named as Group or Operating,
as applicable, herein; and thereafter, except in the case of a lease and
obligations that Group or Operating, as applicable, may have under an amended
Note, Group or Operating, as applicable, shall be discharged from all
obligations and covenants under the Notes. Group, Operating, the Holders and
the successor Person shall enter into a amendment to the Notes to evidence the
succession and substitution of such successor Person and such discharge and
release of Group or Operating, as applicable.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 12.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Defaults and Remedies</u>. Each
of the following events constitutes an &#147;<u>Event of Default</u>&#148;:</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; default in the payment of principal
of (or premium, if any, on) any Note, including the Redemption Amount, when the
same becomes due and payable at maturity, upon acceleration, redemption or
otherwise;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; default in the payment of interest
on any Notes when the same becomes</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">18</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='18',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">due and payable, and such default continues for a
period of 30 days;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; default in the performance or breach
of the provisions of the Notes applicable to mergers, consolidations and
transfers of all or substantially all of the assets of Group or Operating or
the failure to make or consummate an Offer to Purchase in accordance with
Section&nbsp;5 hereof;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Group or Operating defaults in the
performance of or breaches any other covenant or agreement of the Company under
the Notes (other than a default specified in clause&nbsp;(a), (b) or (c)
above), and such default or breach continues for a period of 30 consecutive days
after written notice by the Holders of 25% or more in aggregate principal
amount of the Notes;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; the failure of Group&#146;s Common Stock
to be quoted or listed on a national security exchange or automated quotation
system in the United States for more than three days, or if quoted on the OTC
Bulletin Board (&#147;<u>Bulletin Board</u>&#148;), failure to comply with the
requirements for continued listing on the Bulletin Board for a period of seven
consecutive Trading Days or notification from the Bulletin Board or from the
applicable national security exchange or automated quotation system that the
Company is not in compliance with the conditions for such continued quotation
on the Bulletin Board;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(f)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; there occurs with respect to any
issue or issues of indebtedness for borrowed money of Group or any existing or
future, direct or indirect, subsidiary of Group whose assets constitute 15% or
more of the total assets of Group on a consolidated basis (a &#147;<u>Designated
Subsidiary</u>&#148;) having an outstanding principal amount of $15 million or more
in the aggregate for all such issues of all such Persons, whether such
indebtedness now exists or shall hereafter be created, (i)&nbsp;an event of
default that has caused the holder thereof to declare such indebtedness to be
due and payable prior to its stated maturity and such indebtedness has not been
discharged in full or such acceleration has not been rescinded or annulled
within 30 days of such acceleration and/or (ii)&nbsp;the failure to make a
principal payment at the final (but not any interim) fixed maturity and such
defaulted payment shall not have been made, waived or extended within 30 days
of such payment default;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(g)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; a court having jurisdiction in the
premises enters a decree or order for (i)&nbsp;relief in respect of Group,
Operating or any Designated Subsidiary in an involuntary case under any
applicable bankruptcy, insolvency or other similar law now or hereafter in
effect, (ii)&nbsp;appointment of a receiver, liquidator, assignee, custodian,
trustee, sequestrator or similar official of Group, Operating or any Designated
Subsidiary or for all or substantially all of the property and assets of Group,
Operating or any Designated Subsidiary or (iii)&nbsp;the winding up or
liquidation of the affairs of Group, Operating or any Designated Subsidiary and,
in each case, such decree or order shall remain unstayed and in effect for a
period of 60 consecutive days; or</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(h)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Group, Operating or any Designated
Subsidiary (i)&nbsp;commences a voluntary case under any applicable bankruptcy,
insolvency or other similar law now or hereafter in effect, or consents to the
entry of an order for relief in an involuntary case under any such law,
(ii)&nbsp;consents to the appointment of or taking possession by a receiver,
liquidator, assignee, custodian, trustee, sequestrator or similar official of
Group, Operating or any Designated</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">19</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='19',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Subsidiary or for all or substantially all of the
property and assets of Group, Operating or any Designated Subsidiary or
(iii)&nbsp;effects any general assignment for the benefit of creditors.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 13.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Costs of Collection</u>. In the
event that either Group or Operating fails to pay when due (including, without
limitation upon acceleration in connection with an Event of Default) the full
amount of principal and/or interest hereunder, each of Group and Operating
shall indemnify and hold harmless the Holder of any portion of this Note from
and against all reasonable costs and expenses incurred in connection with the
enforcement of this provision or collection of such principal and interest,
including, without limitation, reasonable attorneys&#146; fees and expenses.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 14.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>No Recourse Against Others</u>.
No incorporator or any past, present or future partner, stockholder, other
equityholder, officer, director, employee or controlling person, as such, of
the Company or of any successor Person shall have any liability for any
obligations of the Company under the Notes for any claim based on, in respect
of or by reason of, such obligations or their creation. Each Holder by accepting
a Note waives and releases all such liability. The waiver and release are part
of the consideration for the issuance of the Notes.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 15.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Governing Law</u>. This Note
shall be governed by and construed and enforced in accordance with the internal
laws of the State of Delaware, without regard to the principles of conflicts of
law thereof. Each of Group and Operating hereby irrevocably waives personal
service of process and consents to process being served in any suit, action or
proceeding by mailing a copy thereof via registered or certified mail or
overnight delivery (with evidence of delivery) to its address for notices and
communications specified in Section&nbsp;16 herein and agrees that such service
shall constitute good and sufficient service of process and notice thereof.
Nothing contained herein shall be deemed to limit in any way any right to serve
process in any manner permitted by law. <b><font style="font-weight:bold;">Each
of Group and Operating hereby irrevocably waives, to the fullest extent
permitted by applicable law, any and all right to trial by jury in any suit,
action or proceeding arising out of or relating to the Notes or the
transactions contemplated hereby.</font></b></font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 16.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Notices</u>. Any and all notices
or other communications or deliveries required or permitted to be provided
hereunder shall be in writing and shall be deemed given and effective on the
earliest of (i) the date of transmission, if such notice or communication is
delivered via facsimile at the facsimile telephone number specified in this
Section&nbsp;16 prior to 5:30 p.m. (New York City time) on a Trading Day, (ii)
the Trading Day after the date of transmission, if such notice or communication
is delivered via facsimile at the facsimile telephone number specified in this
Section&nbsp;16 later than 5:30 p.m. (New York City time) on any date and
earlier than 11:59 p.m. (New York City time) on such date, (iii) the Trading
Day following the date of mailing, if sent by nationally recognized overnight
courier service, or (iv) upon actual receipt by the party to whom such notice
is required to be given. The address for such notices and communications shall
be as follows:</font></h1>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">20</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='20',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="75%" style="border-collapse:collapse;margin-left:.5in;width:75.0%;">
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">If
  to the Company:</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Covad
  Communications Group, Inc.</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Covad
  Communications Company</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">110
  Rio Robles</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">San
  Jose, CA 95134</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attn:
  General Counsel</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Fax:
  (408) 952-7539</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">With
  a copy to:</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Weil,
  Gotshal and Manges LLP</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">200
  Crescent Court, Suite 300</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Dallas,
  Texas 75201</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Attention:
  Michael A. Saslaw</font></p>
  </td>
 </tr>
 <tr>
  <td width="25%" valign="top" style="padding:0in 0in 0in 0in;width:25.0%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="1%" valign="bottom" style="padding:0in 0in 0in 0in;width:1.52%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="73%" valign="top" style="padding:0in 0in 0in 0in;width:73.48%;">
  <p style="margin:0in 0in .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Fax:
  214-746-8417</font></p>
  </td>
 </tr>
</table>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
Company by notice to the Holders may designate additional or different
addresses for subsequent notices or communications.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Any
notice or communication mailed to a Holder shall be mailed to it at its address
as it appears on the security register maintained by the Company by first-class
mail and shall be sufficiently given to him if so mailed within the time
prescribed.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Failure
to mail a notice or communication to a Holder as provided herein or any defect
in any such notice or communication shall not affect its sufficiency with
respect to other Holders. Except as otherwise provided in the Notes, if a
notice or communication is mailed in the manner provided in this
Section&nbsp;16, it is duly given, whether or not the addressee receives it.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Where
this Note provides for notice in any manner, such notice may be waived in
writing by the Person entitled to receive such notice, either before or after
the event, and such waiver shall be the equivalent of such notice.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In
case by reason of the suspension of regular mail service or by reason of any
other cause it shall be impracticable to give such notice by mail, then such
notification as shall be made with the approval of the Holders shall constitute
a sufficient notification for every purpose hereunder.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
Holders shall be entitled to rely and act upon any notices purportedly given by
Group and/or Operating.</font></p>

<p style="margin:0in 0in .0001pt;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Section 17.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; <u>Miscellaneous</u>.</font></h1>

<h1 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.5in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h1>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(a)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Group shall keep a register of the
Notes and of their transfer, exchange or conversion. The transfer of this Note
is registrable on the register maintained by the Company upon surrender of this
Note for registration of transfer at the office of the Company specified in
Section 16, duly endorsed by, or accompanied by a written instrument of
transfer in form satisfactory to the Company duly executed by, the Holder
hereof of such Holder&#146;s attorney duly authorized in writing, and thereupon one
or more new Notes, of authorized denominations and for the same aggregate
principal amount, will be issued to the designated transferee or transferees.
Such Notes are issuable only in registered form without coupons in
denominations of $2,000,000</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">21</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='21',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(or any integral multiple of $100,000 in excess
thereof). No service charge shall be made for any such registration of transfer,
exchange or conversion, but the Company may require payment of a sum sufficient
to recover any tax or other governmental charge payable in connection
therewith. Prior to due presentation of this Note for registration of transfer,
the Company and any agent of the Company may treat the Person in whose name
this Note is registered as the owner thereof for all purposes, whether or not
this Note may be overdue, and neither the Company nor any such agent shall be
affected by notice to the contrary.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(b)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; This Note and the Common Stock
issuable upon conversion of this Note have not been registered under the
Securities Act, or the securities laws of any state or other jurisdiction.
Neither this Note nor the Common Stock issuable upon conversion of this Note may
be sold, offered for sale, pledged or hypothecated except pursuant to an
effective registration statement under the Securities Act or pursuant to an
exemption from, or not subject to, registration under the Securities Act. The
Holder by its acceptance of this Note or the Common Stock issuable upon
conversion of this Note agrees that it shall not offer, sell, assign, transfer,
pledge, encumber or otherwise dispose of this Note or any portion hereof or
interest herein other that in a minimum denomination of $2,000,000 principal
amount (or any integral multiple of $100,000 in excess thereof) and then (other
than with respect to a transfer pursuant to a registration statement that is
effective at the time of such transfer) only (i) to the Company, (ii) to a person
it reasonably believes to be an institutional &#147;accredited investor&#148; within the
meaning of Rule 501(a) under the Securities Act or a qualified institutional
buyer (as defined in Rule 144A under the Securities Act), or (iii) in
accordance with another exemption from the registration requirements of the
Securities Act, and in the case of clauses (ii)-(iii) above in which the
transferor furnishes the Company with such certifications, legal opinions or
other information as the Company may reasonably request to confirm that such
transfer is being made pursuant to an exemption from, or in a transaction not
subject to, the registration requirements of the Securities Act.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Upon presentation of this Note for
registration of transfer at the office of Group specified herein accompanied by
(i) certification by the transferor that such transfer is in compliance with
the terms hereof and (ii) by a written instrument of transfer in form approved
by the Company, in its reasonable discretion, executed by the registered Holder,
in person or by such Holder&#146;s attorney thereunto duly authorized in writing,
and including the name, address and telephone and fax numbers of the transferee
and name of the contact person of the transferee, such Note shall be
transferred on the Note register, and a new Note of like tenor and bearing the
same legends shall be issued in the name of the transferee and sent to the
transferee at the address and c/o the contact person so indicated. Transfers
and exchanges of Notes shall be subject to such restrictions as are set forth
in the legends on the Notes and to such reasonable regulations as may be
prescribed by the Company as specified in Section 17(b) hereof. Successive
registrations of transfers as aforesaid may be made from time to time as desired,
and each such registration shall be noted on the Note register.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(d)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Upon receipt by the Company of
evidence reasonably satisfactory to it of the loss, theft, destruction or
mutilation of this Note, and in the case of loss, theft or destruction, receipt
of indemnity or security reasonably satisfactory to the Company, and upon
reimbursement to the Company of all reasonable expenses incidental thereto, and
upon surrender and cancellation of such Note, if mutilated, the Company will
deliver a new Note of like tenor and dated as of such</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">22</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='22',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


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


<div>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">cancellation, in lieu of such Note.</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:76.3pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></h2>

<h2 style="font-weight:normal;margin:0in 0in .0001pt;text-autospace:none;text-indent:.95in;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(e)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Each of Group and Operating is
accepting joint and several liability under this Note in consideration of the
financial accommodation to be provided by the Holders under this Note, for the
mutual benefit, directly and indirectly, of each of Group and Operating and in
consideration of the undertakings of Group and Operating to accept joint and
several liability for the obligations of each of them.</font></h2>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman">&nbsp;</font></p>

<p align="center" style="margin:0in 0in .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">23</font></p>

<div style="margin:0in 0in .0001pt;"><hr size="2" width="100%" noshade color="gray" align="left"></div>

</div>
<!-- SEQ.=1,FOLIO='23',FILE='C:\JMS\jbritto\06-7397-1\task943415\7397-1-kc.htm',USER='jbritto',CD='Mar 21 23:21 2006' -->


</body>

</html>
</TEXT>
</DOCUMENT>
