<SUBMISSION>
<ACCESSION-NUMBER>0000950133-08-000922
<TYPE>S-3ASR
<PUBLIC-DOCUMENT-COUNT>5
<FILING-DATE>20080304
<DATE-OF-FILING-DATE-CHANGE>20080304
<EFFECTIVENESS-DATE>20080304
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>CIENA CORP
<CIK>0000936395
<ASSIGNED-SIC>3661
<IRS-NUMBER>232725311
<STATE-OF-INCORPORATION>DE
<FISCAL-YEAR-END>1031
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>S-3ASR
<ACT>33
<FILE-NUMBER>333-149519
<FILM-NUMBER>08662781
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>1201 WINTERSON ROAD
<CITY>LINTHICUM
<STATE>MD
<ZIP>21090
<PHONE>4108658500
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>1201 WINTERSON ROAD
<CITY>LINTHICUM
<STATE>MD
<ZIP>21090
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>S-3ASR
<SEQUENCE>1
<FILENAME>w50663sv3asr.htm
<DESCRIPTION>FORM S-3ASR
<TEXT>
<HTML>
<HEAD>
<TITLE>sv3asr</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">As filed with the Securities and Exchange Commission on March&nbsp;4, 2008
</DIV>


<DIV align="CENTER" style="font-size: 10pt; margin-top: 0pt"><B>REGISTRATION NO. 333-</B><U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U>
</DIV>


<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 1pt solid black; font-size: 1pt">&nbsp;</DIV>




<DIV align="center" style="font-size: 14pt; margin-top: 10pt"><B>UNITED STATES SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington, D.C. 20549</B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 10pt"><B>FORM S-3</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 10pt"><B>REGISTRATION STATEMENT UNDER THE SECURITIES ACT OF 1933</B>
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 10pt"><B>Ciena Corporation</B>
</DIV>

<DIV align="center" style="font-size: 10pt">(Exact name of registrant as specified in its charter)</DIV>


<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="31%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="31%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="31%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>3661</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>23-2725311</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction <BR>
of  incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Primary standard industrial<BR>
classification code number)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer<BR>
Identification Number)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B>1201 Winterson Road<BR>
Linthicum, MD 21090<BR>
(410)&nbsp;865-8500</B><BR>
(Address, including zip code, and telephone number, including area code, of<BR>
registrant&#146;s principal executive offices)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B>Russell B. Stevenson, Jr.<BR>
Senior Vice President, General Counsel and Secretary<BR>
Ciena Corporation<BR>
1201 Winterson Road<BR>
Linthicum, MD 21090<BR>
(410)&nbsp;865-8500</B><BR>
(Address, including zip code, and telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><B><I>with copies to:</I></B><BR>
<B>Michael J. Silver<BR>
Hogan &#038; Hartson L.L.P.<BR>
111 South Calvert Street, Suite&nbsp;1600<BR>
Baltimore, MD 21202<BR>
(410)&nbsp;659-2700</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><B>Approximate date of commencement of proposed sale to the public: From time to time after the<br>
effective date of this Registration Statement.</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 6pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If the only securities being registered on this Form are being offered pursuant to dividend or
interest reinvestment plans, please check the following box. <FONT face="Wingdings">&#111;</FONT>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If any of the securities being registered on this Form are to be offered on a delayed or
continuous basis pursuant to Rule&nbsp;415 under the Securities Act of 1933, other than securities
offered only in connection with dividend or interest reinvestment plans, check the following box.
<FONT face="Wingdings">&#254;</FONT>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this Form is filed to register additional securities for an offering pursuant to Rule
462(b) under the Securities Act, please check the following box and list the Securities Act
registration statement number of the earlier effective registration statement for the same
offering. <FONT face="Wingdings">&#111;</FONT>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this Form is a post-effective amendment filed pursuant to Rule 462(c) under the
Securities Act, check the following box and list the Securities Act registration statement number
of the earlier effective registration statement for the same offering. <FONT face="Wingdings">&#111;</FONT>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this Form is a registration statement pursuant to General Instruction I.D. or a
post-effective amendment thereto that shall become effective upon filing with the Commission
pursuant to Rule 462(e) under the Securities Act, check the following box. <FONT face="Wingdings">&#254;</FONT>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;If this Form is a post-effective amendment to a registration statement filed pursuant to
General Instruction I.D. filed to register additional securities or additional classes of
securities pursuant to Rule 413(b) under the Securities Act, check the following box. <FONT face="Wingdings">&#111;</FONT>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Indicate
by check mark whether the registrant is a large accelerated filer, an
accelerated filer, a
non-accelerated filer, or a smaller reporting company. See the
definitions of &#147;large accelerated filer,&#148; &#147;accelerated
filer&#148; and &#147;smaller reporting company&#148; in Rule&nbsp;12b-2
of the Exchange Act.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="90%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="60%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="37%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="left" valign="top">Large accelerated filer <FONT face="Wingdings">&#254;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Accelerated filer <FONT face="Wingdings">&#111;</FONT></TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top">Non-accelerated filer
<FONT face="Wingdings">&#111;</FONT> (Do not check if a smaller reporting company)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Smaller reporting company <FONT face="Wingdings">&#111;</FONT></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>CALCULATION OF REGISTRATION FEE</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="57%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="16%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-bottom: 3px double #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Title of Each Class of Securities to Be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount to Be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Aggregate</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Amount of</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="center"><B>Registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Price Per Share (1)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Offering Amount (1)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center"><B>Registration Fee</B></TD>
    <TD width="1%">&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
                    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock, par value $0.01 per share</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>

<TD align="center" valign="bottom" style="border-top: 2px solid #000000" nowrap>2,465,391 shares (2)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>

<TD align="center" valign="bottom" style="border-top: 2px solid #000000">$26.41</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>

<TD align="center" valign="bottom" style="border-top: 2px solid #000000">$65,110,976</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>

<TD align="center" valign="bottom" style="border-top: 2px solid #000000">$2,558.86</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

<!-- End Table Body -->
</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pursuant to Rule 457(c) under the Securities Act, the registration fee has been calculated
based on the average of the high and low prices of the Registrant&#146;s common stock as reported
on the NASDAQ Global Select Market on February&nbsp;29, 2008.</TD>
</TR>

</TABLE>
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pursuant to Rule&nbsp;416 under the Securities Act, the number of shares of common stock
registered hereby shall include an indeterminate number of shares of common stock that may be
issued in connection with a stock split, stock dividend, recapitalization or similar event.</TD>
</TR>

</TABLE>
</DIV>

<DIV style="width: 100%; border-bottom: 1pt solid black; margin-top: 10pt; font-size: 1pt">&nbsp;</DIV>
<DIV style="width: 100%; border-bottom: 2pt solid black; font-size: 1pt">&nbsp;</DIV>






<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>PROSPECTUS</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 18pt"><IMG src="w50663w5066300.gif" alt="(CIENA LOGO)">
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 18pt"><B>Ciena Corporation<BR>
1201 Winterson Road<BR>
Linthicum, MD 21090<BR>
(410)&nbsp;865-8500</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>2,465,391 Shares<BR>
Common Stock</B>
</DIV>


<DIV align="left" style="font-size: 9pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We have prepared this prospectus to allow the selling stockholders we identify in this
prospectus and any accompanying prospectus supplement, and their
transferees, to sell up to 2,465,391 shares of our common stock that were issued by us under the terms of the
Agreement and Plan of Merger, dated January&nbsp;22, 2008, under which we acquired World Wide Packets,
Inc. We will not receive any of the proceeds from the disposition of these shares by the selling
stockholders, but we will incur expenses in connection with the offering.
</DIV>

<DIV align="left" style="font-size: 9pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The selling stockholders may dispose of these shares through one or more of the means
described in the section entitled &#147;Plan of Distribution&#148;
beginning on page 7.
</DIV>

<DIV align="left" style="font-size: 9pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Our common stock is listed on the NASDAQ Global Select Market under the symbol &#147;CIEN.&#148;
On March&nbsp;3, 2008, the last reported sales price of our common stock on the NASDAQ Global Select
Market was $25.95 per share.
</DIV>

<DIV align="left" style="font-size: 9pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Investing
in our common stock involves risks. See &#147;Risk Factors&#148; beginning on page 2.</B>
</DIV>

<DIV align="left" style="font-size: 9pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>Neither the Securities and Exchange Commission nor any state securities commission has
approved or disapproved of these securities or determined if this prospectus is truthful or
complete. Any representation to the contrary is a criminal offense.</B>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>The date of this prospectus is March&nbsp;4, 2008.</B>
</DIV>



<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>TABLE OF CONTENTS</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="89%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="2"><B>Page</B></TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">SUMMARY</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">1</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">RISK FACTORS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">FORWARD-LOOKING STATEMENTS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">USE OF PROCEEDS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">3</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">SELLING STOCKHOLDERS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">3</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">PLAN OF DISTRIBUTION</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">7</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">INCORPORATION OF DOCUMENTS BY REFERENCE</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">9</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">WHERE YOU CAN FIND MORE INFORMATION</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">9</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">LEGAL MATTERS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">10</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">EXPERTS</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">10</TD>
    <TD>&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>You should rely only on the information contained in this prospectus, in an accompanying
prospectus supplement or incorporated by reference herein or therein. We have not authorized anyone
to provide you with information or make any representation that is different. If anyone provides
you with different or inconsistent information, you should not rely on it. This prospectus and any
accompanying prospectus supplement do not constitute an offer to sell or a solicitation of an offer
to buy any securities other than the registered securities to which they relate, and this
prospectus and any accompanying prospectus supplement do not constitute an offer to sell or the
solicitation of an offer to buy securities in any jurisdiction where, or to any person to whom, it
is unlawful to make such an offer or solicitation. You should not assume that the information
contained in this prospectus and any accompanying prospectus supplement is correct on any date
after the respective dates of the prospectus and such prospectus supplement or supplements, as
applicable, even though this prospectus and such prospectus supplement or supplements are delivered
or shares are sold pursuant to the prospectus and such prospectus supplement or supplements at a
later date. Since the respective dates of the prospectus contained in this registration statement
and any accompanying prospectus supplement, our business, financial condition, results of
operations and prospects might have changed.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;When used in this prospectus, except where the context otherwise requires, the terms
&#147;we,&#148; &#147;us,&#148; and &#147;our&#148; refer to Ciena Corporation.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We have a 52 or 53&nbsp;week fiscal year, which ends on the Saturday nearest to the last day of
October in each year. For purposes of financial statement presentation, each fiscal year is
described as having ended on October&nbsp;31. Fiscal 2003, fiscal 2004, fiscal 2005 and fiscal 2006 each
consisted of 52&nbsp;weeks and fiscal 2007 consisted of 53&nbsp;weeks.
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

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<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SUMMARY</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>The following summary may not contain all the information that may be important to you.
You should read the entire prospectus, as well as the information to which we refer you and the
information incorporated by reference, before making an investment decision.</I>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Ciena Corporation is a supplier of communications networking equipment, software and
services that support the transport, switching, aggregation and management of voice, video and data
traffic. Our products are used, individually or as part of an integrated solution, in
communications network infrastructures operated by telecommunications service providers, cable
operators, governments and enterprises around the globe. Our products facilitate the cost-effective
delivery of enterprise and consumer-oriented communication services. Through our FlexSelect&#153;
Architecture, we specialize in transitioning legacy communications networks to converged,
next-generation architectures, better able to handle increased traffic and to deliver more
efficiently a broader mix of high-bandwidth communications services. By improving network
productivity, reducing costs and enabling integrated service offerings, our converged Ethernet
infrastructure and broadband access products create business and operational value for our
customers.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This prospectus is part of an automatic shelf registration statement that we filed with the
Securities and Exchange Commission, or SEC, as a &#147;well-known seasoned issuer&#148; as defined in Rule
405 under the Securities Act of 1933, as amended, or the Securities Act, using a &#147;shelf&#148;
registration process. Under this process, selling stockholders named herein or in an accompanying
prospectus supplement, or their transferees, may sell shares of our common stock from time to time.
Each time any selling stockholder sells shares of our common stock under the registration statement
of which this prospectus is a part, the selling stockholder may, as required by applicable law,
provide a prospectus and any prospectus supplement containing specific information about the terms
of the applicable offering. Such prospectus supplement may add, update or change information
contained in this prospectus. You should read this prospectus and any applicable prospectus
supplement together with additional information described below under the heading &#147;Where to Find
Additional Information&#148; before you decide whether to invest in our common stock.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>The Offering</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="45%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="50%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Common stock offered by this prospectus
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">2,465,391 shares of
common stock owned by the selling
stockholders.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Selling Stockholders
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">All of the common stock covered
hereby is being offered by the
selling stockholders named herein
or in an accompanying prospectus
supplement, or their transferees.
See &#147;Selling Stockholders.&#148;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Use of Proceeds
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">We will not receive any proceeds
from the disposition of shares in
this offering.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Plan of Distribution
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">The selling stockholders may
dispose of the shares covered
hereby from time to time as
described in the section entitled
&#147;Plan of Distribution&#148; beginning
on page 7.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Trading
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Our common stock is listed on the
NASDAQ Global Select Market under
the symbol &#147;CIEN.&#148;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Risk Factors
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">See &#147;Risk Factors&#148; and the other
information contained in this
prospectus and the documents we
incorporate by reference for a
discussion of factors you should
consider carefully before deciding
to invest in shares of our common
stock.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->1<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>RISK FACTORS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Investing in our common stock involves a high degree of risk. You should carefully
consider and evaluate all of the information contained in this prospectus and in the documents we
incorporate herein by reference before you decide to purchase our common stock. In particular, you
should carefully consider and evaluate the risks and uncertainties described in Item&nbsp;1A of our
Annual Report on Form 10-K for the fiscal year ended October&nbsp;31, 2007, under the heading &#147;Risk
Factors,&#148; as updated by our Quarterly Reports on Form 10-Q and any other subsequently filed reports
incorporated herein by reference. Any of the risks and uncertainties set forth therein could
materially and adversely affect our business, results of operations and financial condition, which
in turn could materially and adversely affect the trading price of our common stock being offered
by this prospectus. As a result, you could lose all or part of your investment.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>FORWARD-LOOKING STATEMENTS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Some of the statements contained, or incorporated by reference, in this prospectus
discuss future expectations, contain projections of results of operations or financial condition or
state other &#147;forward-looking&#148; information within the meaning of Section&nbsp;27A of the Securities Act
of 1933 and Section&nbsp;21E of the Securities Exchange Act of 1934, or the Exchange Act. Those
statements are subject to known and unknown risks, uncertainties and other factors that could cause
the actual results to differ materially from those contemplated by the statements. The
&#147;forward-looking&#148; information is based on various factors and was derived using numerous
assumptions. In some cases, you can identify these so-called &#147;forward-looking statements&#148; by words
like &#147;may,&#148; &#147;will,&#148; &#147;should,&#148; &#147;expects,&#148; &#147;plans,&#148; &#147;anticipates,&#148; &#147;believes,&#148; &#147;estimates,&#148;
&#147;predicts,&#148; &#147;potential,&#148; or &#147;continue&#148; or the negative of those words and other comparable words.
You should be aware that those statements only reflect our predictions. Actual events or results
may differ substantially. Important factors that could cause our actual results to be materially
different from the forward-looking statements are disclosed in the information incorporated by
reference in this prospectus, including in Item&nbsp;1A, &#147;Risk Factors&#148; of our Form 10-K for the fiscal
year ended October&nbsp;31, 2007, as updated by our Quarterly Reports on Form 10-Q and any other
subsequently filed reports incorporated herein by reference.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We undertake no obligation to update or revise these forward-looking statements, whether as a
result of new information, future events or otherwise.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->2<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>USE OF PROCEEDS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We will not receive any proceeds from the disposition of the shares of common stock
covered hereby by the selling stockholders or their transferees.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The selling stockholders will pay any underwriting discounts and commissions and expenses they
incur for brokerage, accounting or tax or legal services or any other expenses they incur in
disposing of the shares. We will bear all other costs, fees and expenses incurred in effecting the
registration of the shares covered by this prospectus. These may include, without limitation, all
registration and filing fees, NASDAQ listing fees, fees and expenses of our counsel and
accountants, and blue sky fees and expenses.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SELLING STOCKHOLDERS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We
are registering 2,465,391 shares covered by this prospectus on behalf of the
selling stockholders named in the table below. We issued all of the shares to the selling
stockholders in a private placement in connection with our acquisition of World Wide Packets, Inc.
We are registering the shares of common stock in order to permit the selling stockholders, and
their respective donees, pledgees, transferees or other successors-in-interest, to resell or
otherwise dispose of the shares from time to time. Except for the ownership of shares of our
common stock, the selling stockholders have not had any material relationship with us within the
past three years.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following table sets forth the name of each selling stockholder, the shares of
common stock beneficially owned by each selling stockholder and the shares of common stock that may
be disposed of by each selling stockholder or its transferees under this prospectus. The
information is based on information provided by or on behalf of the selling stockholders to us and
is as of the date of this prospectus. Because the selling stockholders may dispose of all or some
portion of the common stock, no estimate can be given as to the amount of the common stock that
will be held by the selling stockholders upon termination of this offering. For purposes of the
table below, however, we have assumed that after termination of this offering none of the shares
covered by this prospectus will be held by the selling stockholders.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="52%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Maximum</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Number of</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares of</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>That</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares of</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Common</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>May Be</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Common</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Stock</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Sold</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Stock</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Percent of</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Beneficially</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Pursuant</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Beneficially</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Owned</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>to</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Owned</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Owned</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Prior to</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>This</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>After</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>After</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Name of Selling Stockholder</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Offering</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Prospectus</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Offering</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Offering(1)</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Alexander W. Duff</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">287</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">287</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Alps Electric Co. Ltd.(2)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">5,777</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">5,777</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">ARGC VI, L.P.(3)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,485</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,485</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Argo II: The Wireless-Internet Fund L.P.(4)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">378,604</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">378,604</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Arnold G. Peterson</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,407</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,407</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Azure I, L.P.(5)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">289</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">289</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Azure Partners I, L.P.(5)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">7,756</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">7,756</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Azure Venture Partners I, L.P.(5)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">488,730</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">488,730</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Azure Ventures I, L.P.(5)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">14,745</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">14,745</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Boardman Capital Partners, LLC(6)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">14,047</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">14,047</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Cascadia Capital, LLC(7)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">20,552</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">20,552</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Daniel L. Burstein</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">1,016</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">1,016</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">David E. Curry (8)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">4,366</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">4,366</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Daniel T. Reiner (9)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">67,161</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">67,161</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->3<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="52%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Maximum</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Number of</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares of</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>That</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares of</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Common</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>May Be</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Common</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Stock</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Sold</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Stock</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Percent of</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Beneficially</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Pursuant</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Beneficially</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Shares</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Owned</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>to</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Owned</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Owned</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Prior to</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>This</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>After</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>After</B></TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000"><B>Name of Selling Stockholder</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Offering</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Prospectus</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Offering</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Offering(1)</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Andrew R. Reiner</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">33,920</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">33,920</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Eagle River Holdings, LLC (10)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">267,800</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">267,800</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Entrepia Fund II, L.P.(11)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">70,233</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">70,233</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Entrepia Fund North, L.P.(12)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">84,214</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">84,214</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Fred H. Faltersack, Trustee of the
Faltersack Family Trust dated 5/25/1995(13)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">437</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">437</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Frey Consulting(14)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,233</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,233</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Hans G. Roderich</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">404</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">404</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Joel D. Hornstein</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,093</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">2,093</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Joel D. Hornstein and Emily Putnam Hornstein</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">265</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">265</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">John C. Rudolf</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">985</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">985</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Madrona Managing Director Fund, LLC(15)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">41,488</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">41,488</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Madrona Venture Fund I-A, L.P.(15)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">315,729</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">315,729</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Madrona Venture Fund I-B, L.P.(15)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">34,362</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">34,362</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Mary Ann Barkshire</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">158</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">158</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Millennium Technology Ventures LP(16)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">13,803</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">13,803</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Northwest Venture Partners III, LP(17)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">259,191</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">259,191</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Oasis Holdings LLC(18)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">5,766</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">5,766</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Rally Capital, LLC(19)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">267,800</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">267,800</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Rolling Bay Ventures LLC(20)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">3,769</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">3,769</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Rosetta Group, L.L.C.(21)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">5,738</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">5,738</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Summit Capital Partners, LP(22)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">985</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">985</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Venture Lending &#038; Leasing IV, LLC(23)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">26,150</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">26,150</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD><DIV style="margin-left:15px; text-indent:-15px">Western United Life Assurance Company(24)</DIV></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">19,646</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">19,646</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right">0</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right">&nbsp;</TD>
    <TD align="right">0.0</TD>
    <TD nowrap>%</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Based on 87,046,455 shares of common stock outstanding as of January&nbsp;28, 2008.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Alps Electric Co, Ltd., a publicly traded Japanese company
listed on the Tokyo Stock Exchange.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(3)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by ARGC VI, L.P. Henry Haight is the general partner of ARGC
VI, L.P. and has sole voting and dispositive power over these shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(4)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are directly held by Argo II: The Wireless-Internet Fund L.P. and indirectly by
Argo Global Capital II Partners, L.P., Argo GP, Inc., Henry Haight and TelSystems, Inc. Argo
Global Capital II Partners is the general partner of Agro II: The Wireless-Internet Fund, L.P.
Argo GP, Inc. is the general partner of Argo Global Capital II Partners, L.P. Henry Haight and
TelSystems, Inc. own all of the outstanding shares of Argo GP, Inc.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(5)</TD>
    <TD>&nbsp;</TD>
    <TD>Azure Capital Partners VC Administrators, LLC is the General Partner of Azure I, L.P., Azure
Partners I, L.P., Azure Venture Partners I, L.P., and Azure Venture I, L.P. (the &#147;Azure
entities&#148;). Michael K. Kwatinetz, Robert C. Lester, Paul A. Ferris and Paul J. Weinstein are
the managing members of Azure Capital Partners VC Administrators, LLC and share voting and
dispositive power over the shares held by the Azure entities. The managing members disclaim
beneficial ownership of the shares held by the Azure entities except to the extent of their
indirect pecuniary interest in their distributive shares therein.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(6)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Boardman Capital Partners, LLC. Brian D. Owen is the
managing member of Boardman Capital Partners, LLC and has sole voting and dispositive power
over the shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(7)</TD>
    <TD>&nbsp;</TD>
    <TD>Michael Butler in his capacity as Chief Executive Officer of Cascadia Capital, LLC, and Nancy
Greer in her capacity as Managing Director and Chief Financial Officer of Cascadia Capital,
LLC share voting and dispositive power of these shares.</TD>
</TR>

</TABLE>


<P align="center" style="font-size: 10pt"><!-- Folio -->4<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">





<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(8)</TD>
    <TD>&nbsp;</TD>
    <TD>David E. Curry owns the shares directly. Mr.&nbsp;Curry was the Vice-Chairman and President of
World Wide Packets, Inc.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(9)</TD>
    <TD>&nbsp;</TD>
    <TD>Daniel T. Reiner owns the shares directly. Mr.&nbsp;Reiner was the Chairman and Chief Executive
Officer of World Wide Packets, Inc.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(10)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are directly held by Eagle River Holdings, LLC, and indirectly by Eagle River,
Inc., Craig O. McCaw, an individual and Benjamin G. Wolff, an individual. Eagle River, Inc. is
the manager of Eagle River Holdings, LLC. Mr.&nbsp;McCaw is the sole shareholder of Eagle River,
Inc. Mr.&nbsp;Wolff is the President of Eagle River, Inc. Mr.&nbsp;McCaw and Mr.&nbsp;Wolff share voting and
dispositive power over these shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(11)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are directly held by Entrepia Fund II, L.P., and indirectly by Entrepia
Management, L.P., Entrepia Ventures, Inc., S. Gene Kawaratan and Amit Srivastava. Entrepia
Management, L.P. is the general partner of Entrepia Fund II, L.P. Entrepia Ventures, Inc. is
the general partner of Entrepia Management, L.P. S. Gene Kawaratan is the Chief Executive
Officer of Entrepia Ventures, Inc. Amit Srivastava is the President of Entrepia Ventures, Inc.
Mr.&nbsp;Kawaratan and Mr.&nbsp;Srivastava share voting and dispositive power of these shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(12)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are directly held by Entrepia Fund North, L.P., and indirectly by Entrepia Canada
Management, L.P., Entrepia Canada Co., S. Gene Kawaratan and Amit Srivastava. Entrepia Canada
Management, L.P. is the general partner of Entrepia Fund North, L.P. Entrepia Canada Co. is
the general partner of Entrepia Canada Management, L.P. S. Gene Kawaratan is the Chief
Executive Officer of Entrepia Canada Co. Amit Srivastava is the President of Entrepia Canada
Co. Mr.&nbsp;Kawaratan and Mr.&nbsp;Srivastava share voting and dispositive power of these shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(13)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are held directly by Fred H. Faltersack, Trustee for the Faltersack Family Trust
dated 5/25/1995.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(14)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are directly owned by Matthew Frey, doing business as Frey Consulting. Mr.&nbsp;Frey
was the President and Chief Operating Officer of World Wide Packets, Inc.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(15)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are held directly by Madrona Venture Fund I-A, L.P., Madrona Venture Fund I-B,
L.P., and Madrona Managing Director Fund, LLC. Madrona Investment Partners, LLC is the
general partner of Madrona Venture Fund I-A, L.P. and Madrona Venture Fund I-B, L.P. Tom A.
Alberg, Paul B. Goodrich, Matthew S. McIlwain, and Greg Gottesman are the managing members of
Madrona Managing Director Fund, LLC and Madrona Investment Partners, LLC, and share voting and
dispositive power over the shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(16)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Millennium Technology Ventures, LP. Daniel L. Burnstein and
Samuel Schwerin share voting and dispositive power over the shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(17)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Northwest Venture Partners III, L.P. and Northwest Venture
Associates, LLC holds sole voting and dispositive power of the shares as the manager of
Northwest Venture Partners III, L.P.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(18)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Oasis Holdings, LLC. William C. Newton is the managing
member of Oasis Holdings, LLC and has sole voting and dispositive power over the shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(19)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Rally Capital, LLC. Dennis M. Weibling is the managing
member of Rally Capital, LLC and has sole voting and dispositive power over the shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(20)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Rolling Bay Ventures, LLC. Geoffrey R. Entress is the
managing member of Rolling Bay Ventures, LLC and has sole voting and dispositive power over
the shares.</TD>
</TR>

</TABLE>


<P align="center" style="font-size: 10pt"><!-- Folio -->5<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">





<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(21)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Rosetta Group, LLC. Mel A. Shaftel is the managing member of
Rosetta Group, LLC and has sole voting and dispositive power over the shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(22)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Summit Capital Partners, LP. John Rudolf and Matt Rudolf are
the managing members of Summit Capital Partners I, LLC, the general partner for Summit Capital
Partners, LP, and have investment power and voting control over the shares.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(23)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Venture Lending &#038; Leasing IV, LLC, and indirectly by Westech
Investment Advisers, Inc., Ronald W. Swanson and Salvador O. Guiterrez. Westech Investment
Advisers, Inc. is the managing member of Venture Lending &#038; Leasing IV, LLC and has the power
to direct voting and disposition of the shares. Mr.&nbsp;Swanson and Mr.&nbsp;Guiterrez own 100% of the
outstanding shares of Westech Investment Advisers, Inc.</TD>
</TR>

<TR style="font-size: 3pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left">(24)</TD>
    <TD>&nbsp;</TD>
    <TD>The shares are owned directly by Western United Life Assurance Company.</TD>
</TR>

</TABLE>



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Information concerning the selling stockholders may change from time to time and any
such changed information will be set forth in supplements to this prospectus if and when necessary.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->6<!-- /Folio -->
</DIV>

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<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PLAN OF DISTRIBUTION</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The selling stockholders, which as used herein includes donees, pledgees, transferees or
other successors-in-interest selling shares of common stock or interests in shares of common stock
received after the date of this prospectus from a selling stockholder as a gift, pledge,
partnership distribution or other transfer, may, from time to time, sell, transfer or otherwise
dispose of any or all of their shares of common stock or interests in shares of common stock on any
stock exchange, market or trading facility on which the shares are traded or in private
transactions. These dispositions may be at fixed prices, at prevailing market prices at the time of
sale, at prices related to the prevailing market price, at varying prices determined at the time of
sale, or at negotiated prices.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The selling stockholders may use any one or more of the following methods when disposing
of shares or interests therein:
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>on the NASDAQ Global Select Market or any national securities exchange or quotation
service on which the securities may be listed or quoted at the time of sale;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>in the over-the-counter market;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>in transactions otherwise than on these exchanges or systems or in the
over-the-counter market;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>ordinary brokerage transactions and transactions in which the broker-dealer
solicits purchasers;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>block trades in which the broker-dealer will attempt to sell the shares as agent,
but may position and resell a portion of the block as principal to facilitate the
transaction;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>purchases by a broker-dealer as principal and resale by the broker-dealer for its
account;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>an exchange distribution in accordance with the rules of the applicable exchange;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>privately negotiated transactions;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>short sales;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>through the writing or settlement of options or other hedging transactions, whether
through an options exchange or otherwise;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>broker-dealers may agree with the selling stockholders to sell a specified number
of such shares at a stipulated price per share; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>a combination of any such methods of sale, or any other available means allowable
under law.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The selling stockholders may, from time to time, pledge or grant a security interest in some
or all of the shares of common stock owned by them and, if they default in the performance of their
secured obligations, the pledgees or secured parties may offer and sell the shares of common stock,
from time to time, under this prospectus, or under an amendment or supplement to this prospectus
amending the list of selling stockholders to include the pledgee, transferee or other successors in
interest as selling stockholders under this prospectus. The selling stockholders also may transfer
the shares of common stock in other circumstances, in which case the transferees, pledgees or other
successors in interest will be the selling beneficial owners for purposes of this prospectus.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In connection with the sale of our common stock or interests therein, the selling
stockholders may enter into hedging transactions with broker-dealers or other financial
institutions, which may in turn engage
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->7<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">



<DIV align="left" style="font-size: 10pt; margin-top: 6pt">in short sales of the common stock in the course of hedging the positions they assume. The selling
stockholders may also sell shares of our common stock short and deliver these securities to close
out their short positions, or loan or pledge the common stock to broker-dealers that in turn may
sell these securities. The selling stockholders may also enter into option or other transactions
with broker-dealers or other financial institutions or the creation of one or more derivative
securities which require the delivery to such broker-dealer or other financial institution of
shares offered by this prospectus, which shares such broker-dealer or other financial institution
may resell pursuant to this prospectus (as supplemented or amended to reflect such transaction).<BR>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The aggregate proceeds to the selling stockholders from the sale of the common stock offered
by them will be the purchase price of the common stock less discounts or commissions, if any. Each
of the selling stockholders reserves the right to accept and, together with their agents from time
to time, to reject, in whole or in part, any proposed purchase of common stock to be made directly
or through agents. We will not receive any of the proceeds from this offering.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The selling stockholders also may resell all or a portion of the shares in reliance upon
Rule&nbsp;144 under the Securities Act of 1933, provided that they meet the criteria and conform to the
requirements of that rule.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The selling stockholders and any underwriters, broker-dealers or agents that participate
in the sale of the common stock or interests therein may be &#147;underwriters&#148; within the meaning of
Section&nbsp;2(11) of the Securities Act. Any discounts, commissions, concessions or profit they earn on
any resale of the shares purchased by them may be deemed to be underwriting discounts and
commissions under the Securities Act. Selling stockholders who are &#147;underwriters&#148; within the
meaning of Section&nbsp;2(11) of the Securities Act will be subject to the prospectus delivery
requirements of the Securities Act.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;To the extent required, the shares of our common stock to be sold, the names of the selling
stockholders, the respective purchase prices and public offering prices, the names of any agents,
dealer or underwriter, any applicable commissions or discounts with respect to a particular offer
will be set forth in an accompanying prospectus supplement or, if appropriate, a post-effective
amendment to the registration statement that includes this prospectus.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;There can be no assurance that any selling stockholder will sell any or all of the shares of
common stock registered pursuant to the registration statement, of which this prospectus forms a
part.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In order to comply with the securities laws of some states, if applicable, the common
stock may be sold in these jurisdictions only through registered or licensed brokers or dealers. In
addition, in some states the common stock may not be sold unless it has been registered or
qualified for sale or an exemption from registration or qualification requirements is available and
is complied with.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We have advised the selling stockholders that the anti-manipulation rules of
Regulation&nbsp;M under the Exchange Act may apply to sales of shares in the market and to the
activities of the selling stockholders and their affiliates. In addition, we will make copies of
this prospectus (as it may be supplemented or amended from time to time) available to the selling
stockholders for the purpose of satisfying the prospectus delivery requirements of the Securities
Act. The selling stockholders may indemnify any broker-dealer that participates in transactions
involving the sale of the shares against certain liabilities, including liabilities arising under
the Securities Act.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We have agreed to indemnify the selling stockholders against losses, claims, damages or
liabilities, including liabilities under the Securities Act and state securities laws, relating to
the registration of the shares offered by this prospectus. We may be indemnified by the selling
stockholders against losses, claims, damages or liabilities, including liabilities under the
Securities Act that may arise from written information furnished to us by the selling stockholders
specifically for use in this prospectus.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We have agreed with the selling stockholders to keep the registration statement of which
this prospectus constitutes a part effective until March&nbsp;3, 2009.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->8<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INCORPORATION OF DOCUMENTS BY REFERENCE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The SEC allows us to &#147;incorporate by reference&#148; in this prospectus certain information
we file with the SEC, which means that we may disclose important information in this prospectus by
referring you to the document that contains the information. The information incorporated by
reference is considered to be a part of this prospectus, and the information we file later with the
SEC will automatically update and supersede the information filed earlier. We incorporate by
reference the documents listed below (and any amendments thereto) and any future filings we make
with the SEC under Sections&nbsp;13(a), 13(c), 14 or 15(d) of the Exchange Act until the offering of the
shares covered by this prospectus is completed; <I>provided</I>, <I>however</I>, that we are not incorporating by
reference any documents or information, including parts of documents that we file with the SEC,
that are deemed to be furnished and not filed with the SEC:
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>our Annual Report on Form 10-K for the fiscal year ended October&nbsp;31, 2007, filed
with the SEC on December&nbsp;27, 2007;</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>our Current Reports on Form 8-K filed with the SEC on December&nbsp;13, 2007 (as to Item
5.02 only), January&nbsp;2, 2008, January&nbsp;24, 2008 and February&nbsp;1, 2008; and</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left"><B>&#149;</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>the description of our common stock as set forth in our Registration Statement
filed under Section&nbsp;12 of the Exchange Act on Form 8-A on January&nbsp;13, 1997, including
any amendment or report filed with the SEC for the purpose of updating such
description.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;You may obtain copies of any of these filings by contacting us at the address and
phone number indicated below or by contacting the SEC as described below under the section entitled
&#147;Where You Can Find More Information.&#148; Documents incorporated by reference are available from us
without charge, excluding all exhibits unless an exhibit has been specifically incorporated by
reference into this prospectus, by requesting them in writing, by telephone or via the Internet at:
</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Ciena Corporation<BR>
1201 Winterson Road<BR>
Linthicum, MD 21090<BR>
(410)&nbsp;865-8500<BR>
Attn: Corporate Secretary<BR>
Internet Website: <U>www.ciena.com</U>

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The information contained on our website does not constitute a part of this prospectus,
and our website address supplied above is intended to be an inactive textual reference only and not
an active hyperlink to our website.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>WHERE YOU CAN FIND MORE INFORMATION</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We have filed with the SEC under the Securities Act a registration statement on Form
S-3, of which this prospectus is a part, including exhibits, schedules and amendments filed with,
or incorporated by reference in, the registration statement, with respect to the securities
registered hereby. This prospectus and any accompanying prospectus supplement do not contain all of
the information set forth in the registration statement and exhibits and schedules to the
registration statement. For further information with respect to our company and the securities
registered hereby, reference is made to the registration statement, including the exhibits to the
registration statement, and the documents incorporated by reference therein. Statements contained
in this prospectus and any accompanying prospectus supplement as to the contents of any contract or
other document referred to in, or incorporated by reference in, this prospectus and any
accompanying prospectus supplement are not necessarily complete and, where that contract or other
document is an exhibit to the registration statement, or a document incorporated by reference, each
statement is qualified in all respects by the exhibit to which the reference relates.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->9<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We file annual, quarterly and current reports, proxy statements and other information with
the SEC. Copies of the registration statement, including the exhibits and schedules to the
registration statement, may be examined without charge at the public reference room of the SEC, 100
F Street, N.E., Washington, D.C. 20549. Information about the operation of the public reference
room may be obtained by calling the SEC at 1-800-SEC-0330. Copies of all or a portion of the
documents we file with the SEC can be obtained from the public reference room of the SEC upon
payment of prescribed fees. The SEC maintains an Internet site that contains reports, proxy and
information statements and other information regarding issuers that file electronically with the
SEC. Our SEC filings are available to you on the SEC&#146;s website at http://www.sec.gov.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We undertake no obligation to update or revise these forward-looking statements,
whether as a result of new information, future events or otherwise.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>LEGAL MATTERS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Hogan &#038; Hartson L.L.P., Baltimore, Maryland has passed upon certain legal matters in
connection with the common stock offered hereby.
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXPERTS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The financial statements and management&#146;s assessment of the effectiveness of internal control
over financial reporting (which is included in Management&#146;s Report on Internal Control over
Financial Reporting) incorporated in this prospectus by reference to the Annual Report on Form 10-K
for the year ended October&nbsp;31, 2007 have been so incorporated in reliance on the report of
PricewaterhouseCoopers LLP, an independent registered public accounting firm, given on the
authority of said firm as experts in auditing and accounting.
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->10<!-- /Folio -->
</DIV>




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<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>INFORMATION NOT REQUIRED IN PROSPECTUS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;14. Other Expenses of Issuance and Distribution.</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="95%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="0%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="0%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="background: #cceeff">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Securities and Exchange Commission filing fee
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">$</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>

<TD align="right" valign="top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;2,559</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Accounting fees and expenses
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>

<TD align="right" valign="top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;12,500</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Legal fees and expenses
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">25,000</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Miscellaneous
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">5,000</TD>
</TR>
<TR valign="bottom" style="background: #cceeff">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Total expenses
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">$</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>

<TD align="right" valign="top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;45,509</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All of the above fees and expenses will be paid by the registrant. Other than the
Securities and Exchange Commission filing fee, all fees and expenses are estimated.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;15. Indemnification of Directors and Officers.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under Section&nbsp;145 of the Delaware General Corporation Law (&#147;DGCL&#148;), a corporation may
indemnify its directors, officers, employees and agents and its former directors, officers,
employees and agents and those who serve, at the corporation&#146;s request, in such capacities with
another enterprise, against expenses (including attorneys&#146; fees), as well as judgments, fines and
settlements in nonderivative lawsuits, actually and reasonably incurred in connection with the
defense of any action, suit or proceeding in which they or any of them were or are made parties or
are threatened to be made parties by reason of their serving or having served in such capacity. The
DGCL provides, however, that such person must have acted in good faith and in a manner such person
reasonably believed to be in (or not opposed to) the best interests of the corporation and, in the
case of a criminal action, such person must have had no reasonable cause to believe his or her
conduct was unlawful. In addition, the DGCL does not permit indemnification in an action or suit by
or in the right of the corporation, where such person has been adjudged liable to the corporation,
unless, and only to the extent that, a court determines that such person fairly and reasonably is
entitled to indemnity for costs the court deems proper in light of liability adjudication.
Indemnity is mandatory to the extent a claim, issue or matter has been successfully defended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Third Restated Certificate of Incorporation, as amended, of Ciena Corporation (the
&#147;Ciena Certificate&#148;) contains provisions that provide that no director of Ciena shall be liable for
breach of fiduciary duty as a director, except for: (1)&nbsp;any breach of the directors&#146; duty of
loyalty to Ciena or its stockholders; (2)&nbsp;acts or omissions not in good faith or which involve
intentional misconduct or a knowing violation of the law; (3)&nbsp;liability under Section&nbsp;174 of the
DGCL; or (4)&nbsp;any transaction from which the director derived an improper personal benefit. The
Ciena Certificate contains provisions that further provide for the indemnification of directors and
officers to the fullest extent permitted by the DGCL. Under the bylaws of Ciena, Ciena is required
to advance expenses incurred by an officer or director in defending any such action if the director
or officer undertakes to repay such amount if it is determined that the director or officer is not
entitled to indemnification. In addition, Ciena has entered into indemnification agreements with
each of its directors and executive officers pursuant to which Ciena has agreed to indemnify such
persons as permitted by the DGCL. Ciena has obtained directors and officers liability insurance
against certain liabilities, including liabilities under the Securities Act.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->II-1&nbsp;<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;16. Exhibits.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following exhibits are filed herewith:
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="89%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left">Exhibit</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1 (1)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen Stock Certificate</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Hogan &#038; Hartson L.L.P. (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Hogan &#038; Hartson L.L.P. (contained in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of PricewaterhouseCoopers LLP (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included with signature page)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Incorporated by reference from the Registrant&#146;s Annual Report on Form 10-K filed December&nbsp;27,
2007.</TD>
</TR>

</TABLE>



<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;17. Undertakings.</B>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">A. The undersigned registrant hereby undertakes:
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(1)&nbsp;To file, during any period in which offers or sales are being made, a post-effective
amendment to this registration statement:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;To include any prospectus required by Section&nbsp;10(a)(3) of the Securities Act of
1933;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;To reflect in the prospectus any facts or events arising after the effective date of
the registration statement (or the most recent post-effective amendment thereof) which,
individually or in the aggregate, represent a fundamental change in the information set forth in
the registration statement. Notwithstanding the foregoing, any increase or decrease in volume of
securities offered (if the total dollar value of securities offered would not exceed that which was
registered) and any deviation from the low or high end of the estimated maximum offering range may
be reflected in the form of prospectus filed with the Commission pursuant to Rule 424(b) if, in the
aggregate, the changes in volume and price represent no more than 20&nbsp;percent change in the maximum
aggregate offering price set forth in the &#147;Calculation of Registration Fee&#148; table in the effective
registration statement;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(iii)&nbsp;To include any material information with respect to the plan of distribution not
previously disclosed in the registration statement or any material change to such information in
the registration statement;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><I>Provided, however</I>, that paragraphs (a)(1)(i), (a)(1)(ii) and (a)(1)(iii) do not apply if the
information required to be included in a post-effective amendment by those paragraphs is contained
in reports filed with or furnished to the Commission by the registrant pursuant to Section&nbsp;13 or
Section 15(d) of the Securities Exchange Act of 1934 that are incorporated by reference in the
registration statement, or is contained in a form of prospectus filed pursuant to Rule 424(b) that
is part of the registration statement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;That, for the purpose of determining any liability under the Securities Act of 1933,
each such post-effective amendment shall be deemed to be a new registration statement relating to
the securities offered therein, and the offering of such securities at that time shall be deemed to
be the initial <I>bona fide </I>offering thereof.
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->II-2<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;To remove from registration by means of a post-effective amendment any of the
securities being registered which remain unsold at the termination of the offering.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(4)&nbsp;That, for the purpose of determining liability under the Securities Act of 1933 to
any purchaser:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i)&nbsp;Each prospectus filed by the registrant pursuant to Rule&nbsp;424(b)(3) shall be deemed to be
part of the registration statement as of the date the filed prospectus was deemed part of and
included in the registration statement; and
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii)&nbsp;Each prospectus required to be filed pursuant to Rule&nbsp;424(b)(2), (b)(5) or (b)(7) as
part of a registration statement in reliance on Rule&nbsp;430B relating to an offering made pursuant to
Rule&nbsp;415(a)(1)(i), (vii)&nbsp;or (x)&nbsp;for the purpose of providing the information required by Section
10(a) of the Securities Act of 1933 shall be deemed to be part of and included in the registration
statement as of the earlier of the date such form of prospectus is first used after effectiveness
or the date of the first contract of sale of securities in the offering described in the
prospectus. As provided in Rule&nbsp;430B, for liability purposes of the issuer and any person that is
at that date an underwriter, such date shall be deemed to be a new effective date of the
registration statement relating to the securities in the registration statement to which the
prospectus relates, and the offering of such securities at that time shall be deemed to be the
initial bona fide offering thereof. Provided, however, that no statement made in a registration
statement or prospectus that is part of the registration statement or made in a document
incorporated or deemed incorporated by reference into the registration statement or prospectus that
is part of the registration statement will, as to a purchaser with a time of contract of sale prior
to such effective date, supersede or modify any statement that was made in the registration
statement or prospectus that was part of the registration statement or made in any such document
immediately prior to such effective date.
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">B. The undersigned registrant hereby undertakes that, for purposes of determining any
liability under the Securities Act of 1933, each filing of registrant&#146;s annual report pursuant to
Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (and, where applicable, each filing
of an employee benefit plan&#146;s annual report pursuant to Section 15(d) of the Securities Exchange
Act of 1934) that is incorporated by reference in the registration statement shall be deemed to be
a new registration statement relating to the securities offered therein, and the offering of such
securities at that time shall be deemed to be the initial <I>bona fide </I>offering thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">C. Insofar as indemnification for liabilities arising under the Securities Act of 1933 may be
permitted to directors, officers and controlling persons of the registrant pursuant to the
foregoing provisions, or otherwise, the registrant has been advised that in the opinion of the
Securities and Exchange Commission such indemnification is against public policy as expressed in
the Securities Act of 1933 and is, therefore, unenforceable. In the event that a claim for
indemnification against such liabilities (other than the payment by the registrant of expenses
incurred or paid by a director, officer or controlling person of the registrant in the successful
defense of any action, suit or proceeding) is asserted by such director, officer or controlling
person in connection with the securities being registered, the registrant will, unless in the
opinion of its counsel the has been settled by controlling precedent, submit to a court of
appropriate jurisdiction the question whether such indemnification by it is against public policy
as expressed in the Securities Act of 1933 and will be governed by the final adjudication of such
issue.
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->II-3<!-- /Folio -->
</DIV>

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<DIV style="font-family: 'Times New Roman',Times,serif">




<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>SIGNATURES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-3 and
has duly caused this registration statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in Linthicum, Maryland on March&nbsp;4, 2008.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="45%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left"><B>CIENA CORPORATION</B></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">By:
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">/s/ Gary B. Smith
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Gary B. Smith
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President and Chief Executive Officer</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->II-4<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>POWER OF ATTORNEY</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;KNOW ALL MEN BY THESE PRESENTS, that each person whose signature appears below
constitutes and appoints Gary B. Smith and Russell B. Stevenson, Jr., and each of them, his or her
true and lawful attorney-in-fact and agents, with full power of substitution and resubstitution,
from such person and in each person&#146;s name, place and stead, in any and all capacities, to sign any
and all amendments (including post-effective amendments) to the Registration Statement and to file
the same, with all exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, granting unto said attorneys-in-fact and agents, full power and
authority to do and perform each and every act and thing requisite and necessary to be done as
fully to all intents and purposes as he or she might or could do in person, hereby ratifying and
confirming all that said attorneys-in-fact and agents, or any of them, may lawfully do or cause to
be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this registration statement has
been signed by the following persons in the capacities and on the dates indicated.
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="36%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="23%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Patrick H. Nettles, Ph.D.
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Patrick H. Nettles, Ph.D.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Executive Chairman of the Board
of Directors
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Gary B. Smith
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Gary B. Smith
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">President, Chief Executive
Officer and Director<BR>
(Principal Executive Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James E. Moylan
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James E. Moylan, Jr.
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Senior Vice President, Finance and
Chief Financial Officer<BR>
(Principal Financial Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Andrew C. Petrik
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Andrew C. Petrik
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Vice President, Controller and
Treasurer<BR>
(Principal Accounting Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Stephen P. Bradley
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Stephen P. Bradley
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Harvey B. Cash
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Harvey B. Cash
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Bruce L. Claflin
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Bruce L. Claflin
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->II-5<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="36%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="23%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="13%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Lawton W. Fitt
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Lawton W. Fitt
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Judith M. O&#146;Brien
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Judith M. O&#146;Brien
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Michael J. Rowny
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Michael J. Rowny
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Gerald H. Taylor
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Gerald H. Taylor
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;4, 2008&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->II-6<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>EXHIBIT INDEX</B>
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="6%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="90%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left">Exhibit</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="LEFT" style="border-bottom: 1px solid #000000">Description</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1 (1)
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Specimen Stock Certificate</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Hogan &#038; Hartson L.L.P. (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Hogan &#038; Hartson L.L.P. (contained in Exhibit&nbsp;5.1)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of PricewaterhouseCoopers LLP (filed herewith)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Power of Attorney (included with signature page)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV>

<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>

<TR valign="top">
    <TD nowrap align="left">(1)</TD>
    <TD>&nbsp;</TD>
    <TD>Incorporated by reference from the Registrant&#146;s Annual Report on Form 10-K filed December&nbsp;27,
2007.</TD>
</TR>

</TABLE>




<P align="center" style="font-size: 10pt"><!-- Folio -->II-7<!-- /Folio -->
</DIV>




</BODY>
</HTML>
</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-5.1
<SEQUENCE>2
<FILENAME>w50663exv5w1.htm
<DESCRIPTION>EXHIBIT 5.1
<TEXT>
<HTML>
<HEAD>
<TITLE>exv5w1</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="77%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="20%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">

<TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><IMG src="w50663w5066301.gif" alt="(HOGAN &#038; HARTSON LOGO)">
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Hogan &#038; Hartson LLP
<BR>111
South Calvert Street<BR>
Suit 1600<BR>
Baltimore, MD 21202<BR>
&#043;1.410.659.2700 Tel<BR>
&#043;1.410.539.6981 Fax
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><BR></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">www.hhlaw.com</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt">March&nbsp;4, 2008
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Board of Directors<BR>
Ciena Corporation<BR>
1201 Winterson Road<BR>
Linthicum, MD 21090

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Ladies and Gentlemen:

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We are acting as counsel to Ciena Corporation, a Delaware corporation (the &#147;<B>Company</B>&#148;), in
connection with the Company&#146;s registration statement on Form&nbsp;S-3 (the &#147;<B>Registration Statement</B>&#148;)
filed with the Securities and Exchange Commission, relating to the proposed public offering of up
to 2,465,391 shares of the Company&#146;s common stock, par value $0.01 per share (the &#147;<B>Shares</B>&#148;),
issued in a transaction exempt from registration under the Securities Act of 1933, as amended (the
&#147;<B>Securities Act</B>&#148;) pursuant to the Agreement and Plan of Merger, dated as of January&nbsp;22, 2008 (the
&#147;<B>Merger Agreement</B>&#148;), between the Company, Wolverine Acquisition Subsidiary, Inc. (&#147;<B>Merger Sub</B>&#148;),
World Wide Packets, Inc. (&#147;<B>WWP</B>&#148;), and Daniel Reiner, as Stockholders&#146; Representative. The Merger
Agreement provides for the merger of Merger Sub with and into WWP and related transactions (the
&#147;<B>Merger</B>&#148;). All of the Shares are contemplated to be sold by the selling stockholders named in the
prospectus which forms a part of the Registration Statement on a delayed or continuous basis
pursuant to Rule&nbsp;415 under the Securities Act. The Shares were issued to the selling stockholders
in the Merger. This opinion letter is furnished to you at your request to enable you to fulfill
the requirements of Item&nbsp;601(b)(5) of Regulation&nbsp;S-K, 17&nbsp;C.F.R. &#167;&nbsp;229.601(b)(5), in connection with
the Registration Statement.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;For purposes of this opinion letter, we have examined copies of the following documents (the
&#147;<B>Documents</B>&#148;):
</DIV>

<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">1.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>An executed copy of the Registration Statement.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">2.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>An executed copy of the Merger Agreement.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">3.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Third Restated Certificate of Incorporation of the Company, as amended, as
certified by the Secretary of State of the State of Delaware on February&nbsp;27, 2008 and
by the Secretary of the Company on the date hereof as then being complete, accurate and
in effect.
</TD>
</TR>
</TABLE>
</DIV>
<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV style="margin-top: 6pt"><TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">


</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Board of Directors<BR>
Ciena Corporation<BR>
March&nbsp;4, 2008<BR>
Page 2
</DIV>


<DIV style="margin-top: 6pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">4.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Amended and Restated Bylaws of the Company, as certified by the Secretary
of the Company on the date hereof as then being complete, accurate and in effect.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">5.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Certain resolutions of the Board of Directors of the Company adopted at a
meeting of the Board of Directors on January&nbsp;21, 2008, as certified by the
    Secretary of the Company on the date hereof as being complete, accurate and in
effect, relating to, among other things, the authorization of the Merger Agreement,
the issuance of the Shares, the filing of the Registration Statement, and
arrangements in connection therewith.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">6.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The Certificate of Merger filed with the Secretary of State of the State of
Delaware on March&nbsp;3, 2008, in connection with the Merger.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" style="background: transparent">&nbsp;</TD>
    <TD width="3%" nowrap align="left">7.</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>A certificate of an officer of the Company, dated as of the date hereof, as to
certain facts relating to the Company.</TD>
</TR>

</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;In our examination of the aforesaid Documents, we have assumed the genuineness of all
signatures,&nbsp;the legal capacity of all natural persons, the accuracy and completeness of all of the
Documents, the authenticity of all originals of the Documents and the conformity to authentic
originals of all of the Documents submitted to us as copies (including telecopies). As to all
matters of fact relevant to the opinions expressed and other statements made herein, we have relied
on the representations and statements of fact made in the Documents, we have not independently
established the facts so relied on, and we have not made any investigation or inquiry other than
our examination of the Documents. This opinion letter is given, and all statements herein are
made, in the context of the foregoing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This opinion letter is based as to matters of law solely on the Delaware General Corporation
Law, as amended. We express no opinion herein as to any other laws, statutes, ordinances, rules,
or regulations. As used herein, the term &#147;Delaware General Corporation Law, as amended&#148; includes
the statutory provisions contained therein, all applicable provisions of the Delaware Constitution
and reported judicial decisions interpreting these laws.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Based upon, subject to and limited by the foregoing, we are of the opinion that the Shares are
validly issued, fully paid and nonassessable.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We assume no obligation to advise you of any changes in the foregoing subsequent to the
delivery of this opinion letter.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;We hereby consent to the filing of this opinion letter as <B>Exhibit&nbsp;5.1 </B>to the Registration
Statement and to the reference to this firm under the caption &#147;Legal Matters&#148; in the prospectus
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>

<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Board of Directors<BR>
Ciena Corporation<BR>
March&nbsp;4, 2008<BR>
Page 3
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">constituting a part of the Registration Statement. In giving this consent, we do not thereby admit
that we are an &#147;expert&#148; within the meaning of the Securities Act.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 50%">Very truly yours,

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 50%">/s/ Hogan &#038; Hartson L.L.P.

</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 50%">HOGAN &#038; HARTSON L.L.P.

</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
</DIV>



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<DOCUMENT>
<TYPE>EX-23.2
<SEQUENCE>3
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<DESCRIPTION>EXHIBIT 23.2
<TEXT>
<HTML>
<HEAD>
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<!-- PAGEBREAK -->
<H5 align="left" style="page-break-before:always">&nbsp;</H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">


<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><U>CONSENT OF INDEPENDENT REGISTERED PUBLIC ACCOUNTING FIRM</U>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">We hereby consent to the incorporation by reference in this Registration Statement on Form&nbsp;S-3 of
our report dated December&nbsp;27, 2007 relating to the financial statements and the effectiveness of
internal control over financial reporting, which appears in Ciena Corporation&#146;s Annual Report on
Form 10-K for the year ended October&nbsp;31, 2007. We also consent to the references to us under the
heading &#147;Experts&#148; in such Registration Statement.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">/s/ PricewaterhouseCoopers LLP<BR>
McLean, Virginia<BR>
March&nbsp;3, 2008

</DIV>


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