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<div>
<p class=MsoNormal><font size=2 color=blue face=Consolas><span
style='font-size:10.0pt;font-family:Consolas;color:blue'>Raman Sud<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Consolas><span
style='font-size:10.0pt;font-family:Consolas;color:blue'>Director,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=blue face=Consolas><span
style='font-size:8.0pt;font-family:Consolas;color:blue'>Network Engineering and
Operations<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=blue face=Consolas><span
style='font-size:8.0pt;font-family:Consolas;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Consolas><span
style='font-size:10.0pt;font-family:Consolas;color:blue'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=blue face=Consolas><span
style='font-size:8.0pt;font-family:Consolas;color:blue'>CWIE Holding Company<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Consolas><span style='font-size:8.0pt;
font-family:Consolas'><ns0:Street w:insAuthor="rs391100"
w:insDate="2008-06-27T13:18:00Z" w:endInsAuthor="rs391100"
w:endInsDate="2008-06-27T13:18:00Z"><ns0:address w:insAuthor="rs391100"
w:insDate="2008-06-27T13:18:00Z" w:endInsAuthor="rs391100"
w:endInsDate="2008-06-27T13:18:00Z"><st1:Street w:st="on"><st1:address w:st="on"><font
color=blue><span style='color:blue'>2353 West University Drive</span></font></st1:address></st1:Street></ns0:address></ns0:Street><font
color=blue><span style='color:blue'><o:p></o:p></span></font></span></font></p>
<p class=MsoNormal><font size=1 face=Consolas><span style='font-size:8.0pt;
font-family:Consolas'><ns0:place w:insAuthor="rs391100"
w:insDate="2008-06-27T13:18:00Z" w:endInsAuthor="rs391100"
w:endInsDate="2008-06-27T13:18:00Z"><ns0:City w:insAuthor="rs391100"
w:insDate="2008-06-27T13:18:00Z" w:endInsAuthor="rs391100"
w:endInsDate="2008-06-27T13:18:00Z"><st1:place w:st="on"><st1:City w:st="on"><font
color=blue><span style='color:blue'>Tempe</span></font></st1:City></ns0:City></st1:place><font
color=blue><span style='color:blue'> </span></font><ns0:State
w:insAuthor="rs391100" w:insDate="2008-06-27T13:18:00Z"
w:endInsAuthor="rs391100" w:endInsDate="2008-06-27T13:18:00Z"><st1:State
w:st="on"><font color=blue><span style='color:blue'>AZ</span></font></st1:State></ns0:State><font
color=blue><span style='color:blue'> </span></font><ns0:PostalCode
w:insAuthor="rs391100" w:insDate="2008-06-27T13:18:00Z"
w:endInsAuthor="rs391100" w:endInsDate="2008-06-27T13:18:00Z"><st1:PostalCode
w:st="on"><font color=blue><span style='color:blue'>85281</span></font></st1:PostalCode></ns0:PostalCode></ns0:place><font
color=blue><span style='color:blue'><o:p></o:p></span></font></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Consolas><span
style='font-size:10.0pt;font-family:Consolas;color:blue'>Fax: 480.682.3236<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=blue face=Consolas><span
style='font-size:8.0pt;font-family:Consolas;color:blue'><a
href="http://www.cavecreek.net/" title="blocked::http://www.cavecreek.net/"><font
size=2><span style='font-size:10.0pt'>http://www.cavecreek.net/</span></font></a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Consolas><span
style='font-size:10.0pt;font-family:Consolas;color:blue'> <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=blue face=Consolas><span
style='font-size:10.0pt;font-family:Consolas;color:blue'>PGP Key: </span></font><font
size=1 color=blue face=Consolas><span style='font-size:8.0pt;font-family:Consolas;
color:blue'><a
href="http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBB765DA2"
title="blocked::http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBB765DA2"><font
size=2><span style='font-size:10.0pt'>http://pgp.mit.edu:11371/pks/lookup?op=get&search=0xBB765DA2</span></font></a><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 color=blue face=Consolas><span
style='font-size:8.0pt;font-family:Consolas;color:blue'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 color=blue face=Consolas><span
style='font-size:8.0pt;font-family:Consolas;color:blue'>NOTICE: This message is
intended only for the use of the individual or entity to which it is addressed.
If the reader of this message is not the intended recipient, or the employee or
agent responsible for delivering the message to the intended recipient, you are
hereby notified that any dissemination, distribution or copying of this message
is strictly prohibited. If you have received this communication in error,
please notify us immediately by replying to the sender of this E-Mail or by
telephone.<o:p></o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'>
maint_advisory@level3.com [mailto:maint_advisory@level3.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, June 27, 2008 12:48
PM<br>
<b><span style='font-weight:bold'>To:</span></b> todd@bandcon.com;
steve.cordova@level3.com; Networking; helpdesk@bandcon.com; Networking<br>
<b><span style='font-weight:bold'>Subject:</span></b> Level 3 Service Affecting
Maintenance - GCR# 201002 - SCHEDULED MAINTENANCE ADVISEMENT, CWIE, LLC<br>
<b><span style='font-weight:bold'>Importance:</span></b> High</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<p class=MsoNormal align=center style='text-align:center'><font size=4
face="Times New Roman"><span style='font-size:13.5pt'>Level 3 Communications -
Network Change Control (NCC)<br>
<font color=red><span style='color:red'>***Scheduled Maintenance Advisement***</span></font><br>
<c>Level 3 Service Affecting Maintenance - GCR# 201002 - Scheduled</span></font><o:p></o:p></p>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
<br>
<u>We have scheduled this <font color=red><span style='color:red'>Scheduled</span></font>
Network Maintenance Period for:</u><br>
<br>
<font color=darkblue><span style='color:darkblue'>CWIE, LLC</span></font><br>
<b><span style='font-weight:bold'>GCR# 201002</span></b><o:p></o:p></span></font></p>
<table class=MsoNormalTable border=0 cellpadding=0>
<tr>
<td nowrap style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Start Date & Time: </span></font></b><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Sunday, July 13, 2008 00:00 CT <i><font
color=red><span style='color:red;font-style:italic'>(7/13/2008 05:00 GMT)</span></font></i><o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td nowrap style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>End Date & Time: </span></font></b><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Sunday, July 13, 2008 06:00 CT <i><font
color=red><span style='color:red;font-style:italic'>(7/13/2008 11:00 GMT)</span></font></i><br>
<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td nowrap valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Reason for Maintenance: </span></font></b><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Level 3 adding traffic back to ipcolo-sw1.chi1 4/2
to metro-sw1-chcgilcp80w.chi1 1/2. During this process, there is a possible
spanning tree loop issue that would effect traffic. If after this maintenance
is completed and you have circuit problems, please phone 877-453-8353 opt. 2,
opt. 2 and open a ticket, so that we can correct the problem.<br>
<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td nowrap valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Location(s):</span></font></b><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Chicago IL,<br>
<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td nowrap valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Services Impacted:</span></font></b><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<table class=MsoNormalTable border=0 cellpadding=0>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Service Impacted</span></font></u><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Expected Impact</span></font></u><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><u><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Duration</span></font></u><o:p></o:p></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>IP - Non-Redundant<o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>None<o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>N/A<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>IP - Redundant<o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>None<o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>N/A<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> <o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'><o:p> </o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=2 face="Times New Roman"><span
style='font-size:10.0pt'><o:p> </o:p></span></font></p>
</td>
</tr>
</table>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td nowrap valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Circuits Impacted:</span></font></b>
<o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<table class=MsoNormalTable border=1 cellpadding=0>
<tr>
<td bgcolor=gray style='background:gray;padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Circuit ID<o:p></o:p></span></font></p>
</td>
<td bgcolor=gray style='background:gray;padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Service Type<o:p></o:p></span></font></p>
</td>
<td bgcolor=gray style='background:gray;padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Order Number<o:p></o:p></span></font></p>
</td>
<td bgcolor=gray style='background:gray;padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal align=center style='text-align:center'><font size=3
face="Times New Roman"><span style='font-size:12.0pt'>Impact<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>BBBL01704<o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>metro-sw1-chcgilco80 3/6<o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>1000-LX/LH<o:p></o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>FYI: possible spanning tree loop<o:p></o:p></span></font></p>
</td>
</tr>
</table>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><br>
<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td nowrap valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Comments:</span></font></b><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Clarify Case#: 2638427<br>
<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td nowrap valign=top style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><b><font size=3 face="Times New Roman"><span
style='font-size:12.0pt;font-weight:bold'>Contact Information:</span></font></b><o:p></o:p></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><u><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Business Hours:</span></font></u><o:p></o:p></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> Monday-Friday 7AM-5PM
CT<br>
Phone: 800-850-4095 opt 2<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><u><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>After Hours:</span></font></u><o:p></o:p></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> Phone: 877-453-8353<o:p></o:p></span></font></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><u><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>Outside the US:</span></font></u><o:p></o:p></p>
</td>
</tr>
<tr>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'><o:p> </o:p></span></font></p>
</td>
<td style='padding:.75pt .75pt .75pt .75pt'>
<p class=MsoNormal><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'> Phone: 1-720-888-0229<br>
E-mail: <a
href="mailto:maint_advisory@level3.com"></a>maint_advisory@level3.com<o:p></o:p></span></font></p>
</td>
</tr>
</table>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><br>
<b><span style='font-weight:bold'>Special Notes Concerning Service Impact:</span></b><br>
Level 3 Communications will make every effort to minimize the impact, however,
unforeseen circumstances could cause a larger impact.<br>
<br>
Thank You,<br>
<br>
The Maintenance Advisory Team <o:p></o:p></span></font></p>
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