<SUBMISSION>
<ACCESSION-NUMBER>0000891020-05-000250
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>2
<PERIOD>20050906
<ITEMS>1.01
<ITEMS>8.01
<ITEMS>9.01
<FILING-DATE>20050906
<DATE-OF-FILING-DATE-CHANGE>20050906
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>F5 NETWORKS INC
<CIK>0001048695
<ASSIGNED-SIC>3576
<IRS-NUMBER>911714307
<STATE-OF-INCORPORATION>WA
<FISCAL-YEAR-END>0930
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<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-26041
<FILM-NUMBER>051071127
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>401 ELLIOT AVE WEST
<STREET2>STE 500
<CITY>SEATTLE
<STATE>WA
<ZIP>98119
<PHONE>2062725555
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>401 ELLIOT AVE WEST
<STREET2>STE 500
<CITY>SEATTLE
<STATE>WA
<ZIP>98119
</MAIL-ADDRESS>
<FORMER-COMPANY>
<FORMER-CONFORMED-NAME>F5 LABS INC
<DATE-CHANGED>19990305
</FORMER-COMPANY>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>v12320e8vk.htm
<DESCRIPTION>FORM 8-K
<TEXT>
<HTML>
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<TITLE>e8vk</TITLE>
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<DIV style="font-family: 'Times New Roman',Times,serif">



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




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES<BR>
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: 12pt"><B>FORM 8-K</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>CURRENT REPORT</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 12pt"><B>Pursuant to Section&nbsp;13 or 15(d) of the Securities Exchange Act of 1934</B>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Date of Report (Date of Earliest Event Reported):<BR>
September&nbsp;6, 2005
</DIV>

<DIV align="center" style="font-size: 24pt; margin-top: 12pt"><B>F5 Networks, Inc.</B>
</DIV>

<DIV align="center" style="font-size: 10pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
(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="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="30%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top">Washington
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">000-26041
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">91-1714307</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction<BR>
of incorporation)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Commission<BR>
File Number)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(IRS Employer<BR>
Identification No.)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">401 Elliott Avenue West<BR>
Seattle, WA 98119
</DIV>

<DIV align="center" style="font-size: 10pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
(Address of principal executive offices) (Zip Code)</DIV>



<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Registrant&#146;s telephone number, including area code: (206)&nbsp;272-5555
</DIV>


<DIV align="center" style="font-size: 10pt; margin-top: 18pt">Not Applicable
</DIV>

<DIV align="center" style="font-size: 10pt"><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV>
Former name or former address, if changed since last report</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Check the appropriate box below if the Form 8-K filing is intended to simultaneously satisfy the
filing obligation of the registrant under any of the following provisions:
</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"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left"><FONT face="Wingdings">&#111;</FONT></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))</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">&nbsp;
</DIV>

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<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;1.01 Entry into a Material Definitive Agreement</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On September&nbsp;6, 2005, F5 Networks, Inc. (&#147;F5&#148;) entered into a definitive Agreement and Plan of
Merger (the &#147;Merger Agreement&#148;) with Swan Labs Corporation, a Delaware corporation (&#147;Swan Labs&#148;),
which provides for the acquisition of Swan Labs by F5. Swan Labs is a privately held company
located in San Jose, California that provides WAN (Wide Area Network) optimization and application
acceleration products and services.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Under the terms of the Merger Agreement, a wholly owned subsidiary of F5 will merge with and
into Swan Labs, with Swan Labs continuing as a wholly owned subsidiary of F5 (the &#147;Merger&#148;).
Immediately prior to the signing of the Merger Agreement by F5, the Merger was approved by
stockholders of Swan Labs as required by its organizational documents and applicable law. The
Merger is expected to close in October&nbsp;2005.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the Merger Agreement, all stockholders of Swan Labs, other than any stockholders
who are entitled to and who properly exercise appraisal or dissenters&#146; rights under Delaware or
California law, will receive at closing an aggregate cash purchase price of $43,000,000. At
closing, F5 will deposit $5,375,000 of the cash purchase price in escrow for twelve (12)&nbsp;months as
security for various indemnification obligations of the Swan Labs stockholders. All outstanding
restricted shares of common stock of Swan Labs and options to purchase shares of common stock of
Swan Labs will be accelerated in full prior to the closing of the Merger, and any stock options
that remain unexercised will be extinguished upon closing.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;F5 and Swan Labs have made customary representations, warranties and covenants in the Merger
Agreement. Closing of the Merger is also subject to customary conditions, including (i)&nbsp;absence of
any law or order prohibiting consummation of the Merger, (ii)&nbsp;subject to certain exceptions, the
accuracy of the representations and warranties, (iii)&nbsp;delivery of certain third party consents,
(iv)&nbsp;acceptance of employment with F5 by certain key employees of Swan Labs, (v)&nbsp;delivery of
certain agreements between F5 and certain stockholders of Swan Labs
regarding releases of claims and other matters,
(vi)&nbsp;satisfaction of various tax matters, and (vii)&nbsp;absence of
any material adverse effect on Swan Labs. The Merger Agreement contains certain termination rights
for both F5 and Swan Labs.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;A copy of a press release announcing the entry into the Merger Agreement is attached hereto as
Exhibit&nbsp;99.1 and is incorporated into this report by reference.
</DIV>

<P align="center" style="font-size: 10pt">&nbsp;
</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;8.01 Other Events</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;On September&nbsp;6, 2005, F5 issued a press release announcing the execution of the Merger
Agreement, a copy of which is filed as Exhibit&nbsp;99.1.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;9.01 Financial Statements and Exhibits</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>(c)&nbsp;Exhibits</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="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="88%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000"><B>Exhibit No.</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">99.1</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Press Release issued by F5 Networks, Inc. dated September&nbsp;6, 2005.</DIV></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The information in this report shall be deemed incorporated by reference into any registration
statement heretofore or hereafter filed under the Securities Act of 1933, as amended, except to the
extent that such information is superseded by information as of a subsequent date that is included
in or incorporated by reference into such registration statement.
</DIV>



<P align="center" style="font-size: 10pt">2
</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 Exchange Act of 1934, the registrant has duly
caused this report to be signed on its behalf by the undersigned hereunto duly authorized.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Dated: September&nbsp;6, 2005
</DIV>


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<TR>
    <TD valign="top" align="left">&nbsp;</TD>
    <TD colspan="3" align="left">F5 NETWORKS, INC.<BR><BR>
(Registrant)<BR>
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD valign="top">By:&nbsp;&nbsp;</TD>
    <TD colspan="2" style="border-bottom: 1px solid #000000" align="left">/s/ JOHN MCADAM
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">John McAdam&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

</TABLE>

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

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


<TABLE width="100%" border="0" cellspacing="0" cellpadding="0" style="font-size: 10pt">
<TR>
    <TD width="48%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>

</TABLE>

<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="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="88%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" colspan="3" style="border-bottom: 1px solid #000000">Exhibit No.</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">
    <TD nowrap align="right" valign="top">&nbsp;</TD>
    <TD align="right" valign="top">99.1</TD>
    <TD nowrap valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Press Release issued by F5 Networks, Inc. dated September&nbsp;6, 2005.</DIV></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>



<P align="center" style="font-size: 10pt">5
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<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>v12320exv99w1.htm
<DESCRIPTION>EXHIBIT 99.1
<TEXT>
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<DIV align="right" style="font-size: 10pt; margin-top: 12pt"><B>Exhibit&nbsp;99.1</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>FOR IMMEDIATE RELEASE</B>
</DIV>

<P><DIV style="position: relative; float: left; width: 48%">

<DIV align="left" style="margin-top: 12pt">
<TABLE width="100%" border="0" cellpadding="0" cellspacing="0" style="font-size: 10pt; background: transparent; color: #000000">
<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD width="96"></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left"><B>CONTACTS:</B></TD>
    <TD>&nbsp;</TD>
    <TD>Alane Moran<BR>
Public Relations<BR>
206/272-6850<BR>
a.moran@f5.com</TD>
</TR>
</TABLE>
</DIV>



</DIV>
<DIV style="position: relative; float: right; width: 48%">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">John Eldridge<BR>
Investor Relations<BR>
206/272-6571<BR>
j.eldridge@f5.com

</DIV>
</DIV>
<BR clear="all"><BR>

<DIV align="center" style="font-size: 14pt; margin-top: 18pt"><B>F5 Networks to Acquire Swan Labs, Best-of-Breed WAN Optimization and Application Acceleration Company</B></DIV>


<DIV align="center" style="font-size: 14pt; margin-top: 18pt"><B><I>Union of Swan Labs and F5 is expected to provide the industry&#146;s most comprehensive and integrated application delivery network for superior application performance, security and availability across the LAN and WAN</I></B></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>SEATTLE, SEPTEMBER 6, 2005 &#151; </B>F5 Networks, Inc. (NASDAQ: FFIV), the leading provider of
Application Traffic Management products, today announced that it has signed a definitive agreement
to acquire Swan Labs Corporation, a technology leader in the WAN (Wide Area Network) optimization
and application acceleration market. The $43&nbsp;million cash transaction for 100% of the equity of
Swan Labs was signed on September&nbsp;6, 2005 and, subject to customary closing conditions, including
acceptance of employment with F5 Networks by certain employees of Swan Labs, is expected to close
in the first quarter of F5 Networks&#146; 2006 fiscal year. Swan Labs is recognized as a visionary in
Gartner&#146;s latest Magic Quadrant for Web-Enabled Application Delivery, 2H04.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Swan Labs&#146; WAN optimization and application acceleration technologies extend F5&#146;s market
leading Application Traffic Management product portfolio. Upon integration, Swan Labs and F5
products together will provide a uniquely powerful enterprise-class solution that is expected to
create the only integrated application delivery network to ensure superior performance, security,
and availability for all applications &#150; across the WAN and within the LAN.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;The opportunity to acquire such powerful solutions that nicely round out F5&#146;s optimization
portfolio was extremely attractive,&#148; said John McAdam, President and CEO of F5 Networks. &#147;The
acquisition will accelerate the execution of our strategy to deliver application
acceleration and WAN optimization for all applications and users. A distinct competitive advantage
for us is F5&#146;s advanced Traffic Management Operating System that creates a shared
</DIV>

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

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<DIV align="left" style="font-size: 10pt; margin-top: 6pt">application and
network services framework that will enable Swan Labs&#146; solution to integrate well into F5&#146;s
architecture. No other vendor in the market has this powerful capability.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Upon completion of this acquisition, F5 not only will have access to superior branch
office-based and application-specific optimizations through Swan Labs&#146; WANJet solution, but will
also gain access to very advanced web application optimization technology in Swan Labs&#146;
WebAccelerator solution. When combined, Swan Labs&#146; and F5&#146;s solutions will offer an integrated
framework that extends application and network security, acceleration and availability to remote,
branch, public and private users &#150; regardless of where they are coming from.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&#147;The marriage of F5 and Swan Labs is a natural fit and will be an exciting and productive move
for the industry and customers,&#148; said Andrew Foss, CEO of Swan Labs. &#147;F5 and Swan Labs have a
parallel strategy of a shared services architecture and our combined solutions will offer
enterprises the most advanced and integrated application delivery network.&#148;
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Further details about the Swan Labs acquisition will be discussed in a conference call
tomorrow, September&nbsp;7, 2005, at 8:00 a.m. E.T. Call-in numbers: 1-888-552-9191 (US and Canada) and
&#043;1-773-756-4632 (international); conference ID: F5 NETWORKS. To listen to the webcast, go to
http://www.f5.com/f5/ir/calendar.html and click on the webcast image. A slide presentation designed
to accompany the discussion of the Swan Labs acquisition is available for public viewing
http://www.f5.com/swanlabs/announcement/ until the end of the month. A replay of the webcast will
also be available at www.f5.com. F5 Networks intends to file with the SEC prior to the webcast a
Form 8-K that contains additional information concerning the proposed merger. Investors of F5
Networks are encouraged to read such filings and other related SEC filings by F5 when they become
available.
</DIV>
<DIV align="left" style="font-size: 10pt; margin-top: 6pt"><B>About F5 Networks</B><BR>
F5 enables organizations to successfully deliver business-critical applications and gives them the
greatest level of agility to stay ahead of growing business demands. As the pioneer and global
leader in Application Traffic Management, F5 continues to lead the industry by driving more
intelligence into the network to deliver advanced application agility. F5 products ensure the
secure and optimized delivery of applications to any user &#150; anywhere. Through its flexible and
cohesive architecture, F5 delivers unmatched value by dramatically improving the way organizations
serve their employees, customers and constituents, while lowering operational costs. The company is
headquartered in Seattle, Washington with offices worldwide. For more information go to www.f5.com.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All brands, names, or trademarks mentioned in this document are the property of their respective
owners.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;This press release may contain forward looking statements relating to future events or future
financial performance that involve risks and uncertainties. Such statements can be identified by
terminology such as &#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 such terms or comparable
terms. These statements are only predictions and actual results could differ materially from those
anticipated in these statements based upon a number of factors including those identified in the
Company&#146;s filings with the SEC.
</DIV>

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


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