<SUBMISSION>
<ACCESSION-NUMBER>0000950134-07-009128
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>1
<PERIOD>20070420
<ITEMS>5.02
<FILING-DATE>20070426
<DATE-OF-FILING-DATE-CHANGE>20070426
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>F5 NETWORKS INC
<CIK>0001048695
<ASSIGNED-SIC>3576
<IRS-NUMBER>911714307
<STATE-OF-INCORPORATION>WA
<FISCAL-YEAR-END>0930
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-26041
<FILM-NUMBER>07790208
</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>v29592e8vk.htm
<DESCRIPTION>FORM 8-K
<TEXT>
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<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><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: 12pt"><B>FORM 8-K</B>
</DIV>


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

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Date of
Report (Date of Earliest Event Reported): April&nbsp;20, 2006</B></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 style="margin-top: 1px"><FONT style="border-top: 1px solid #000000">(Exact name of registrant as specified in its charter)</FONT></DIV></DIV>


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<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>
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<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>
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<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">401 Elliott Avenue West<BR>
Seattle, WA 98119

</DIV>
<DIV align="center" style="font-size: 10pt"><DIV style="margin-top: 1px"><FONT style="border-top: 1px solid #000000"> (Address of principal executive offices) (Zip Code)</FONT></DIV></DIV>



<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Registrant&#146;s telephone number, including area code (206)&nbsp;272-5555

</DIV>

<DIV align="Center" style="font-size: 10pt; margin-top: 6pt">Not Applicable

</DIV>
<DIV align="center" style="font-size: 10pt"><DIV style="margin-top: 1px"><FONT style="border-top: 1px solid #000000">Former name or former address, if changed since last report</FONT></DIV></DIV>


<DIV align="justify" 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 align="justify" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT> Written communications pursuant to Rule&nbsp;425 under the Securities Act (17 CFR 230.425)
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT> Soliciting material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17 CFR 240.14a-12)
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17 CFR
240.14d-2(b))
</DIV>

<DIV align="justify" style="font-size: 10pt; margin-top: 6pt"><FONT face="Wingdings">&#111;</FONT> Pre-commencement communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17 CFR
240.13e-4(c))
</DIV>


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<TR>
    <TD width="3%"></TD>
    <TD width="1%"></TD>
    <TD></TD>
</TR>
<TR valign="top">
    <TD nowrap align="left"><B>Item&nbsp;5.02</B></TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="text-align: justify"><B>Departure of Directors or Principal Officers; Election of Directors; Appointment of
Principal Officers</B></DIV></TD>
</TR>
</TABLE>
</DIV>
<DIV align="justify" style="font-size: 10pt; margin-top: 6pt">5.02(b) <B>- </B>On April&nbsp;20, 2007, the Nominating and Corporate Governance Committee of the Company&#146;s
Board of Directors notified the Board of Directors that Rich Malone will not be nominated to stand
for re-election as a director at the Annual Meeting of Shareholders for fiscal year end 2007. Mr.
Malone will continue to serve on the Company&#146;s Board of Directors and as a member of the Audit
Committee and the Nominating and Corporate Governance Committee for the remainder of his term,
which expires on the date of the Annual Meeting of Shareholders for fiscal year end 2007. Mr.
Malone has served as a member of the Company&#146;s Board of Directors since August&nbsp;2003. There are no
disagreements between the Company and Mr.&nbsp;Malone.
</DIV>


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

<DIV align="justify" style="font-size: 10pt; margin-top: 6pt">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>

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    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="5" valign="top" align="left">F5 NETWORKS, INC.<br>
(Registrant)</TD>
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    <TD>&nbsp;</TD>
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    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Date: April&nbsp;26, 2007
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>By:</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top"><I>/s/ Jeffrey A. Christianson</I></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
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<TR style="font-size: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
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    <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">Jeffrey A. Christianson</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 nowrap align="left" valign="top">Sr. Vice President , General
Counsel and Corporate Secretary</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
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