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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
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<TD align="right" nowrap valign="top"><FONT style="white-space: nowrap">As filed with the Securities and Exchange Commission on March&nbsp;17, 2010</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top" nowrap>Registration No.&nbsp;333-&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</TD>
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<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: 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: 12pt"><B><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B>FORM S-8</B>
</DIV>

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

<DIV align="center" style="font-size: 12pt"><B><DIV align="center"><DIV style="font-size: 3pt; margin-top: 16pt; width: 26%; border-top: 1px solid #000000">&nbsp;</DIV></DIV></B>
</DIV>

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

<DIV align="center" style="font-size: 10pt"><I>(Exact name of Registrant as specified in its charter)</I></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="48%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="48%">&nbsp;</TD>
</TR>
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<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Delaware</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>77-0512121</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction of Incorporation or organization)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(I.R.S. Employer Identification No.)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>1051 East Hillsdale Blvd., Suite&nbsp;800<BR>
Foster City, CA 94404<BR>
(650)&nbsp;578-7700</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><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: 12pt">(Address of principal executive offices) (Zip code)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>2008 Equity Incentive Plan<BR>
2010 Equity Incentive Plan<BR>
2010 Non-Employee Directors&#146; Stock Award Plan</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><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: 12pt">(Full title of the plan)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>Douglas Valenti<BR>
Chief Executive Officer and Chairman<BR>
1051 East Hillsdale Blvd., Suite&nbsp;800<BR>
Foster City, CA 94404<BR>
(650)&nbsp;578-7700</B></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><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: 12pt">(Name and address of agent for service) (Telephone number, including area code, of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Copies to:<BR>
<B>Jodie Bourdet<BR>
Cooley Godward Kronish LLP<BR>
101 California Street, 5</B><SUP style="font-size: 85%; vertical-align: text-top"><B>th</b></SUP> <b>Floor<BR>
San Francisco, CA 94111<BR>
(415)&nbsp;693-2000</B></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">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="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="22%">&nbsp;</TD>
</TR>
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<TR valign="bottom">
    <TD align="center" valign="top"><FONT style="white-space: nowrap">Large accelerated filer <FONT face="Wingdings">&#111;</FONT></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">Accelerated filer</font> <FONT face="Wingdings">&#111;</FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">Non-accelerated filer <FONT face="Wingdings">&#254;</FONT></FONT>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">Smaller reporting company <FONT face="Wingdings">&#111;</FONT></FONT></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><FONT style="white-space: nowrap">(Do not check if a smaller reporting company)</FONT></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
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</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><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="29%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="9%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="7%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="8%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="23" 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>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Proposed Maximum</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">    <TD width="1%">&nbsp;</TD>

    <TD nowrap align="left"><B>Title of Securities</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Amount to be</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Offering</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Aggregate</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><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="left"><B>to be Registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Registered</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Price per Share (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Offering Price (2)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><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
$0.001 per share</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD colspan="3" align="center" style="border-top: 2px solid #000000">12,255,358 shares</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD nowrap align="right" style="border-top: 2px solid #000000">9.6933 - $14.95</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">121,855,454.37</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">8,688.30</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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="23" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

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


<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 16pt; width: 18%; border-top: 0px 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>Pursuant to Rule 416(a) promulgated under the Securities Act of 1933, as amended (the
&#147;Securities Act&#148;), this Registration Statement shall also cover any additional shares of
Registrant&#146;s Common Stock that become issuable under the plans set forth herein by reason of
any stock dividend, stock split, recapitalization or other similar transaction effected
without receipt of consideration that increases the number of outstanding shares of
Registrant&#146;s Common Stock.</TD>
</TR>

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

<TR valign="top">
    <TD nowrap align="left">(2)</TD>
    <TD>&nbsp;</TD>
    <TD>Estimated solely for the purpose of calculating the amount of the registration fee pursuant
to Rule 457(h) and Rule 457(c) promulgated under the Securities Act. The offering price per
share and the aggregate offering price are based upon (a)&nbsp;the weighted-average exercise price
for outstanding options granted under the Registrant&#146;s 2008 Equity Incentive Plan, and (b)&nbsp;the
average of the high and low prices of the Registrant&#146;s Common Stock as reported on the NASDAQ
Global Select Market on March&nbsp;15, 2010). The chart below details the calculations of the
registration fee:</TD>
</TR>

</TABLE>


<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="63%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>

    <TD width="1%">&nbsp;</TD>
</TR><TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="18" 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>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Offering Price Per</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Aggregate Offering</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>Securities</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Number of Shares</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Share(2)(3)</B></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3"><B>Price</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">Shares issuable upon the exercise of outstanding options granted
under the 2008 Equity Incentive Plan and the prior 1999 Equity
Incentive Plan (which was amended and restated by the 2008 Equity
Incentive Plan)</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 style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">11,673,131</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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 nowrap align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">9.6933</TD>
    <TD nowrap style="border-top: 2px solid #000000">(2)(a)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">113,151,160.72</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<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">Shares reserved for future grant under the 2010 Equity Incentive Plan</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 style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">282,227</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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 nowrap align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">14.95</TD>
    <TD nowrap style="border-top: 2px solid #000000">(2)(b)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">4,219,293.65</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<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">Shares reserved for future grant under the 2010 Non-Employee
Directors&#146; Stock Award Plan</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 style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">300,000</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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 nowrap align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">14.95</TD>
    <TD nowrap style="border-top: 2px solid #000000">(2)(b)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">4,485,000.00</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<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">Proposed Maximum Aggregate Offering Price</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 style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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 style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">121,855,454.37</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD width="1%" style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000"><DIV style="margin-left:15px; text-indent:-15px"><B>Registration Fee</B></DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000"><B>$</B></TD>
    <TD align="right" style="border-top: 2px solid #000000"><B>8,688.30</B></TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</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="18" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

<!-- End Table Body -->
</TABLE>
</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>
<td>&nbsp;</td>
</tr>

<TR valign="top">
    <TD nowrap align="left">(3)</TD>
    <TD>&nbsp;</TD>
    <TD>Pursuant to the terms of the Registrant&#146;s 2010 Equity Incentive Plan, any shares subject to
outstanding options originally granted under the Registrant&#146;s 2008 Equity Incentive Plan (or
the 1999 Equity Incentive Plan prior to its amendment and restatement by the 2008 Equity
Incentive Plan), that expire or terminate for any reason prior to exercise or settlement shall
become available for issuance pursuant to share awards granted under the Registrant&#146;s 2010
Equity Incentive Plan.</TD>
</TR>

</TABLE>



<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>

<!-- PAGEBREAK -->
<P><HR noshade><P>

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










<!-- TOC -->
<A name="toc"><DIV align="CENTER" style="page-break-before:always"><U><B>TABLE OF CONTENTS</B></U></DIV></A>

<P><CENTER>
<TABLE border="0" width="90%" cellpadding="0" cellspacing="0">
<TR>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="3%"></TD>
	<TD width="76%"></TD>
</TR>
<TR><TD colspan="9"><A HREF="#000">PART I</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">ITEM 1. PLAN INFORMATION</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#002">ITEM 2. REGISTRANT INFORMATION AND EMPLOYEE PLAN ANNUAL INFORMATION</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003">PART II</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#004">ITEM 3. INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#005">ITEM 4. DESCRIPTION OF SECURITIES</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#006">ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#007">ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#008">ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#009">ITEM 8. EXHIBITS</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#010">ITEM 9. UNDERTAKINGS</A></TD></TR>
<TR><TD colspan="9"><A HREF="#011">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#012">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv5w1.htm">EX-5.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv23w2.htm">EX-23.2</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w1.htm">EX-99.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w2.htm">EX-99.2</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w3.htm">EX-99.3</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w4.htm">EX-99.4</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w5.htm">EX-99.5</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w6.htm">EX-99.6</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w7.htm">EX-99.7</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w8.htm">EX-99.8</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w9.htm">EX-99.9</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w10.htm">EX-99.10</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w11.htm">EX-99.11</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w12.htm">EX-99.12</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w13.htm">EX-99.13</A></TD></TR>
<TR><TD colspan="9"><A HREF="f55297exv99w14.htm">EX-99.14</A></TD></TR>
</TABLE>
</CENTER>
<!-- /TOC -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>




<!-- link1 "PART I" -->
<DIV align="left"><A NAME="000"></A></DIV>

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


<DIV align="Center" style="font-size: 10pt; margin-top: 6pt"><B>INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>
</DIV>
<!-- link2 "ITEM 1. PLAN INFORMATION" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 1. PLAN INFORMATION.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not required to be filed with this Registration Statement.
</DIV>
<!-- link2 "ITEM 2. REGISTRANT INFORMATION AND EMPLOYEE PLAN ANNUAL INFORMATION" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 2. REGISTRANT INFORMATION AND EMPLOYEE PLAN ANNUAL INFORMATION.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not required to be filed with this Registration Statement.
</DIV>
<!-- link1 "PART II" -->
<DIV align="left"><A NAME="003"></A></DIV>

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

<!-- link2 "ITEM 3. INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE" -->
<DIV align="left"><A NAME="004"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 3. INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents filed by QuinStreet, Inc. (the &#147;Company&#148;) with the Securities and
Exchange Commission are incorporated by reference into this Registration Statement:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(a)&nbsp;</B>The Company&#146;s prospectus filed on February&nbsp;11, 2010 pursuant to Rule 424(b) under the
Securities Act relating to the Registration Statement on Form S-1 (File No.&nbsp;333-163228), which
contains audited financial statements for the Company&#146;s latest fiscal year for which such
statements have been filed.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(b)&nbsp;</B>The description of the Company&#146;s Common Stock which is contained in a registration
statement on Form 8-A filed on February&nbsp;9, 2010 (File No.&nbsp;00-34628) under the Exchange Act of 1934,
as amended (the &#147;Exchange Act&#148;), including any amendment or report filed for the purpose of
updating such description.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(c)&nbsp;</B>All other reports and other documents subsequently filed by the Company pursuant to
Sections&nbsp;13(a), 13(c), 14 and 15(d) of the Exchange Act prior to the filing of a post-effective
amendment which indicates that all securities offered have been sold or which deregisters all
securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be
a part of this Registration Statement from the date of the filing of such reports and documents.
</DIV>
<!-- link2 "ITEM 4. DESCRIPTION OF SECURITIES" -->
<DIV align="left"><A NAME="005"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 4. DESCRIPTION OF SECURITIES</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>
<!-- link2 "ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL" -->
<DIV align="left"><A NAME="006"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The validity of the issuance of the Common Stock being offered by this prospectus and certain
other legal matters are being passed upon for us by our counsel, Cooley Godward Kronish LLP, San
Francisco, California. GC&#038;H Investments LLC, an investment fund affiliated with Cooley Godward
Kronish LLP, owns 36,671 shares of the Company&#146;s common stock.
</DIV>
<!-- link2 "ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS" -->
<DIV align="left"><A NAME="007"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Section&nbsp;145 of the Delaware General Corporation Law authorizes a court to award, or a
corporation&#146;s board of directors to grant, indemnity to directors and officers in terms
sufficiently broad to permit such indemnification under certain circumstances for liabilities,
including reimbursement for expenses incurred, arising under the Securities Act. The Company&#146;s
amended and restated certificate of incorporation eliminates the liability of the Company&#146;s
directors for monetary damages to the fullest extent permitted under the Delaware General
Corporation Law. The Company&#146;s amended and restated bylaws require the Company to indemnify its
directors and executive officers to the maximum extent not prohibited by the Delaware General
Corporation Law or any other applicable
</DIV>

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

<!-- PAGEBREAK -->
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

<DIV style="font-family: 'Times New Roman',Times,serif">
<DIV align="left" style="font-size: 10pt; margin-top: 6pt">law and allow the Company to indemnify other officers, employees and other agents as set forth
in the Delaware General Corporation Law or any other applicable law.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company has entered into indemnification agreements with its directors and executive
officers, whereby the Company has agreed to indemnify its directors and executive officers to the
fullest extent permitted by law, including indemnification against expenses and liabilities
incurred in legal proceedings to which the director or officer was, or is threatened to be made, a
party by reason of the fact that such director or officer is or was a director, officer, employee
or agent of the Company, provided that such director or officer acted in good faith and in a manner
that the director or officer reasonably believed to be in, or not opposed to, the best interest of
the Company.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;At present, there is no pending litigation or proceeding involving a director or officer of
the Company regarding which indemnification is sought, nor is the Company aware of any threatened
litigation that may result in claims for indemnification.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The Company maintains insurance policies that indemnify the Company&#146;s directors and officers
against various liabilities arising under the Securities Act and the Exchange Act that might be
incurred by any director or officer in his or her capacity as such.
</DIV>
<!-- link2 "ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED" -->
<DIV align="left"><A NAME="008"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED.</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>
<!-- link2 "ITEM 8. EXHIBITS" -->
<DIV align="left"><A NAME="009"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 8. 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="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&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="2"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">3.1</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Amended and Restated Certificate of Incorporation of QuinStreet, Inc.</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">3.2</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Form of Amended and Restated Bylaws of QuinStreet, Inc.</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">4.1</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(3)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Form of QuinStreet, Inc.&#146;s Common Stock Certificate</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">4.2</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(4)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Second Amended and Restated Investor Rights Agreement, by and between QuinStreet,
Inc., Douglas Valenti and the investors listed on Schedule&nbsp;1 thereto, dated May&nbsp;28,
2003.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">4.3</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Reference is made to Exhibits 3.1 and 3.2.</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">5.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Opinion of Cooley Godward Kronish <FONT style="font-variant: SMALL-CAPS">llp</FONT></DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">23.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Consent of Cooley Godward Kronish LLP (included in Exhibit&nbsp;5.1).</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">23.2</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm.</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">24.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Power of Attorney (included on the signature page of this Form&nbsp;S-8).</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>QuinStreet, Inc. 1999 Equity Incentive Plan (governing options outstanding prior to
the amendment and restatement by the 2008 Equity Incentive Plan).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.2</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-executive officer employees).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</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"><A HREF="#toc">Table of Contents</A></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="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&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="2"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.3</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
executive officers).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.4</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-employee directors).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.5</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>QuinStreet, Inc. 2008 Equity Incentive Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.6</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-executive officer employees).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.7</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for executive officers).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.8</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-employee directors).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.9</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>QuinStreet, Inc. 2010 Equity Incentive Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.10</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for non-executive officer employees).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.11</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for executive officers).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.12</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>QuinStreet, Inc. 2010 Non-Employee Directors&#146; Stock Award Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.13</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Form of Option Agreement and Option Grant Notice for Initial Grants under the 2010
Non-Employee Directors&#146; Stock Award Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.14</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Form of Option Agreement and Option Grant Notice for Annual Grants under the 2010
Non-Employee Directors&#146; Stock Award Plan.</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"><SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;3.2 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

<TR style="font-size: 6pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;3.4 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

<TR style="font-size: 6pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="font-size: 85%; vertical-align: text-top">(3)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;4.1 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

<TR style="font-size: 6pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="font-size: 85%; vertical-align: text-top">(4)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;4.2 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

</TABLE>


<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"><A HREF="#toc">Table of Contents</A></H5><P>

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





<!-- link2 "ITEM 9. UNDERTAKINGS" -->
<DIV align="left"><A NAME="010"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>ITEM 9. UNDERTAKINGS</B>
</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%" nowrap align="left"><B>1.</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The undersigned registrant hereby undertakes:</TD>
</TR>

</TABLE>
</DIV>

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


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(ii) </B>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 a 20% 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;<B>(iii) </B>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">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<I>Provided, however, </I>that paragraphs (a)(i) and (a)(ii) 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 13 or section 15(d) of the
Exchange Act that are incorporated by reference in the registration statement.
</DIV>

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

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(c)&nbsp;</B>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;<B>(d)&nbsp;</B>That, for the purpose of determining liability of the registrant under the Securities Act
to any purchaser in the initial distribution of the securities, the undersigned registrant
undertakes that in a primary offering of securities of the undersigned registrant pursuant to this
registration statement, regardless of the underwriting method used to sell the securities to the
purchaser, if the securities are offered or sold to such purchaser by means of any of the following
communications, the undersigned registrant will be a seller to the purchaser and will be considered
to offer or sell such securities to such purchaser:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(i) </B>Any preliminary prospectus or prospectus of the undersigned registrant relating to the
offering required to be filed pursuant to Rule&nbsp;424;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(ii) </B>Any free writing prospectus relating to the offering prepared by or on behalf of the
undersigned registrant or used or referred to by the undersigned registrant;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(iii) </B>The portion of any other free writing prospectus relating to the offering containing
material information about the undersigned registrant or its securities provided by or on behalf of
the undersigned registrant; and
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<B>(iv) </B>Any other communication that is an offer in the offering made by the undersigned
registrant to the purchaser.
</DIV>





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

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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></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">

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="2%" nowrap align="left"><B>2.</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>The undersigned registrant hereby undertakes that, for purposes of determining any liability
under the Securities Act, each filing of the registrant&#146;s annual report pursuant to Section
13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee
benefit plan&#146;s annual report pursuant to section 15(d) of the Exchange Act) that is
incorporated by reference in the Registration Statement shall be deemed to be a new
registration statement relating to the securities offered herein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering thereof.</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%" nowrap align="left"><B>3.</B></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Insofar as indemnification for liabilities arising under the Securities Act 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 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 matter 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 and will be governed by the final
adjudication of such issue.</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"><A HREF="#toc">Table of Contents</A></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>
<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="011"></A></DIV>

<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, as amended, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the requirements for
filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Foster City, State of California, on
this 16<sup>th</sup> of March, 2010.
</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"><FONT style="font-variant: SMALL-CAPS"><B>QuinStreet, Inc.</B></FONT><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/ Douglas Valenti
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">Douglas Valenti&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left"><I>Chief Executive Officer and Chairman</I>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD colspan="5">&nbsp;</TD>
</TR>
</TABLE>

<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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<FONT style="font-variant: SMALL-CAPS"><B>Know All Persons By These Presents</B>,</FONT> that each person whose signature appears below
constitutes and appoints Douglas Valenti, and Kenneth Hahn, and each or any one of them, his true
and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him
and in his name, place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) to this 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, and each of them, full power and
authority to do and perform each and every act and thing requisite and necessary to be done in
connection therewith, as fully to all intents and purposes as he might or could do in person,
hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or
their or his substitutes or substitute, 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;&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="38%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="38%">&nbsp;</TD>
    <TD width="4%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Date</B></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/ Douglas Valenti
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chief Executive Officer and
Chairman
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">Douglas Valenti
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(<I>Principal Executive Officer</I>)</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>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Kenneth Hahn
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chief Financial Officer
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Kenneth Hahn
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">(<I>Principal Financial and
Accounting Officer</I>)</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>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ William Bradley
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
William Bradley
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010&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/ John G. McDonald
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
John G. McDonald
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010&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/ Gregory Sands
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Gregory Sands
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010&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/ James Simons
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James Simons
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

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    <TD width="4%">&nbsp;</TD>
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    <TD width="4%">&nbsp;</TD>
    <TD width="14%">&nbsp;</TD>
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<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Signature</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Title</B></TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Date</B></TD>
</TR>

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<tr>
<td>&nbsp;</td>
</tr>



<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Glenn Solomon
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Glenn Solomon
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010&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/ Dana Stalder
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Dana Stalder
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">March&nbsp;16, 2010&nbsp;</TD>
</TR>
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</TABLE>
</DIV>


<P align="center" style="font-size: 10pt"><!-- Folio -->&nbsp;<!-- /Folio -->
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<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>

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

<!-- link1 "EXHIBIT INDEX" -->
<DIV align="left"><A NAME="012"></A></DIV>

<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="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&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="2"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">3.1</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Amended and Restated Certificate of Incorporation of QuinStreet, Inc.</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">3.2</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Form of Amended and Restated Bylaws of QuinStreet, Inc.</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">4.1</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(3)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Form of QuinStreet, Inc.&#146;s Common Stock Certificate</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD nowrap valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">4.2</TD>
    <TD valign="top" nowrap><SUP style="font-size: 85%; vertical-align: text-top">(4)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Second Amended and Restated Investor Rights Agreement, by and between QuinStreet,
Inc., Douglas Valenti and the investors listed on Schedule&nbsp;1 thereto, dated May&nbsp;28,
2003.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">4.3</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Reference is made to Exhibits 3.1 and 3.2.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">5.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Opinion of Cooley Godward Kronish <FONT style="font-variant: SMALL-CAPS">llp</FONT></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">23.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Consent of Cooley Godward Kronish LLP (included in Exhibit&nbsp;5.1).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">23.2</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">24.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Power of Attorney (included on the signature page of this Form&nbsp;S-8).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.1</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>QuinStreet, Inc. 1999 Equity Incentive Plan (governing options outstanding prior to
the amendment and restatement by the 2008 Equity Incentive Plan).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.2</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-executive officer employees).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.3</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
executive officers).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.4</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-employee directors).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.5</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>QuinStreet, Inc. 2008 Equity Incentive Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.6</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-executive officer employees).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.7</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for executive officers).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.8</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-employee directors).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.9</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>QuinStreet, Inc. 2010 Equity Incentive Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.10</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for non-executive officer employees).</TD>
</TR>
<!-- End Table Body -->
</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"><A HREF="#toc">Table of Contents</A></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="1%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&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="2"><B>Exhibit</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" colspan="2" style="border-bottom: 0px solid #000000"><B>Number</B></TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000"><B>Description</B></TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.11</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for executive officers).</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.12</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">QuinStreet, Inc. 2010 Non-Employee Directors&#146; Stock Award Plan.</DIV></TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.13</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Form of Option Agreement and Option Grant Notice for Initial Grants under the 2010
Non-Employee Directors&#146; Stock Award Plan.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">&nbsp;</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD><DIV style="margin-left:15px; text-indent:-15px">&nbsp;</DIV></TD>
</TR>
<TR valign="bottom">
    <TD valign="top" align="left">&nbsp;</TD>
    <TD valign="top" align="right">99.14</TD>
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD>Form of Option Agreement and Option Grant Notice for Annual Grants under the 2010
Non-Employee Directors&#146; Stock Award Plan.</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"><SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;3.2 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

<TR style="font-size: 6pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;3.4 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

<TR style="font-size: 6pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="font-size: 85%; vertical-align: text-top">(3)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;4.1 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

<TR style="font-size: 6pt"><TD>&nbsp;</TD></TR>

<TR valign="top">
    <TD nowrap align="left"><SUP style="font-size: 85%; vertical-align: text-top">(4)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>Filed as Exhibit&nbsp;4.2 to the Registrant&#146;s Registration Statement on Form S-1, as
amended (File No.&nbsp;333-163228), originally filed with the Securities and Exchange Commission on
November&nbsp;19, 2009, and incorporated herein by reference.</TD>
</TR>

</TABLE>




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



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sv8
Table of Contents
As filed with the Securities and Exchange Commission on March 17, 2010
Registration No. 333-
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
UNDER
THE SECURITIES ACT OF 1933
QuinStreet, Inc.
(Exact name of Registrant as specified in its charter)
Delaware
77-0512121
(State or other jurisdiction of Incorporation or organization)
(I.R.S. Employer Identification No.)
1051 East Hillsdale Blvd., Suite 800
Foster City, CA 94404
(650) 578-7700
(Address of principal executive offices) (Zip code)
2008 Equity Incentive Plan
2010 Equity Incentive Plan
2010 Non-Employee Directors' Stock Award Plan
(Full title of the plan)
Douglas Valenti
Chief Executive Officer and Chairman
1051 East Hillsdale Blvd., Suite 800
Foster City, CA 94404
(650) 578-7700
(Name and address of agent for service) (Telephone number, including area code, of agent for service)
Copies to:
Jodie Bourdet
Cooley Godward Kronish LLP
101 California Street, 5
th
Floor
San Francisco, CA 94111
(415) 693-2000
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 "large
accelerated filer," "accelerated filer" and "smaller reporting company" in Rule 12b-2 of the
Exchange Act.
Large accelerated filer
o
Accelerated filer
o
Non-accelerated filer
þ
Smaller reporting company
o
(Do not check if a smaller reporting company)
CALCULATION OF REGISTRATION FEE
Proposed Maximum
Proposed Maximum
Title of Securities
Amount to be
Offering
Aggregate
Amount of
to be Registered
Registered
Price per Share (2)
Offering Price (2)
Registration Fee
Common Stock, par value
$0.001 per share
12,255,358 shares
$
9.6933 - $14.95
$
121,855,454.37
$
8,688.30
(1)
Pursuant to Rule 416(a) promulgated under the Securities Act of 1933, as amended (the
"Securities Act"), this Registration Statement shall also cover any additional shares of
Registrant's Common Stock that become issuable under the plans set forth herein by reason of
any stock dividend, stock split, recapitalization or other similar transaction effected
without receipt of consideration that increases the number of outstanding shares of
Registrant's Common Stock.
(2)
Estimated solely for the purpose of calculating the amount of the registration fee pursuant
to Rule 457(h) and Rule 457(c) promulgated under the Securities Act. The offering price per
share and the aggregate offering price are based upon (a) the weighted-average exercise price
for outstanding options granted under the Registrant's 2008 Equity Incentive Plan, and (b) the
average of the high and low prices of the Registrant's Common Stock as reported on the NASDAQ
Global Select Market on March 15, 2010). The chart below details the calculations of the
registration fee:
Offering Price Per
Aggregate Offering
Securities
Number of Shares
Share(2)(3)
Price
Shares issuable upon the exercise of outstanding options granted
under the 2008 Equity Incentive Plan and the prior 1999 Equity
Incentive Plan (which was amended and restated by the 2008 Equity
Incentive Plan)
11,673,131
$
9.6933
(2)(a)
$
113,151,160.72
Shares reserved for future grant under the 2010 Equity Incentive Plan
282,227
$
14.95
(2)(b)
$
4,219,293.65
Shares reserved for future grant under the 2010 Non-Employee
Directors' Stock Award Plan
300,000
$
14.95
(2)(b)
$
4,485,000.00
Proposed Maximum Aggregate Offering Price
$
121,855,454.37
Registration Fee
$
8,688.30
(3)
Pursuant to the terms of the Registrant's 2010 Equity Incentive Plan, any shares subject to
outstanding options originally granted under the Registrant's 2008 Equity Incentive Plan (or
the 1999 Equity Incentive Plan prior to its amendment and restatement by the 2008 Equity
Incentive Plan), that expire or terminate for any reason prior to exercise or settlement shall
become available for issuance pursuant to share awards granted under the Registrant's 2010
Equity Incentive Plan.
TABLE OF CONTENTS
PART I
ITEM 1. PLAN INFORMATION
ITEM 2. REGISTRANT INFORMATION AND EMPLOYEE PLAN ANNUAL INFORMATION
PART II
ITEM 3. INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
ITEM 4. DESCRIPTION OF SECURITIES
ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL
ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS
ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED
ITEM 8. EXHIBITS
ITEM 9. UNDERTAKINGS
SIGNATURES
EXHIBIT INDEX
EX-5.1
EX-23.2
EX-99.1
EX-99.2
EX-99.3
EX-99.4
EX-99.5
EX-99.6
EX-99.7
EX-99.8
EX-99.9
EX-99.10
EX-99.11
EX-99.12
EX-99.13
EX-99.14
Table of Contents
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
ITEM 1. PLAN INFORMATION.
Not required to be filed with this Registration Statement.
ITEM 2. REGISTRANT INFORMATION AND EMPLOYEE PLAN ANNUAL INFORMATION.
Not required to be filed with this Registration Statement.
PART II
ITEM 3. INCORPORATION OF CERTAIN DOCUMENTS BY REFERENCE
The following documents filed by QuinStreet, Inc. (the "Company") with the Securities and
Exchange Commission are incorporated by reference into this Registration Statement:
(a)
The Company's prospectus filed on February 11, 2010 pursuant to Rule 424(b) under the
Securities Act relating to the Registration Statement on Form S-1 (File No. 333-163228), which
contains audited financial statements for the Company's latest fiscal year for which such
statements have been filed.
(b)
The description of the Company's Common Stock which is contained in a registration
statement on Form 8-A filed on February 9, 2010 (File No. 00-34628) under the Exchange Act of 1934,
as amended (the "Exchange Act"), including any amendment or report filed for the purpose of
updating such description.
(c)
All other reports and other documents subsequently filed by the Company pursuant to
Sections 13(a), 13(c), 14 and 15(d) of the Exchange Act prior to the filing of a post-effective
amendment which indicates that all securities offered have been sold or which deregisters all
securities then remaining unsold, shall be deemed to be incorporated by reference herein and to be
a part of this Registration Statement from the date of the filing of such reports and documents.
ITEM 4. DESCRIPTION OF SECURITIES
Not applicable.
ITEM 5. INTERESTS OF NAMED EXPERTS AND COUNSEL
The validity of the issuance of the Common Stock being offered by this prospectus and certain
other legal matters are being passed upon for us by our counsel, Cooley Godward Kronish LLP, San
Francisco, California. GC&H Investments LLC, an investment fund affiliated with Cooley Godward
Kronish LLP, owns 36,671 shares of the Company's common stock.
ITEM 6. INDEMNIFICATION OF DIRECTORS AND OFFICERS
Section 145 of the Delaware General Corporation Law authorizes a court to award, or a
corporation's board of directors to grant, indemnity to directors and officers in terms
sufficiently broad to permit such indemnification under certain circumstances for liabilities,
including reimbursement for expenses incurred, arising under the Securities Act. The Company's
amended and restated certificate of incorporation eliminates the liability of the Company's
directors for monetary damages to the fullest extent permitted under the Delaware General
Corporation Law. The Company's amended and restated bylaws require the Company to indemnify its
directors and executive officers to the maximum extent not prohibited by the Delaware General
Corporation Law or any other applicable
Table of Contents
law and allow the Company to indemnify other officers, employees and other agents as set forth
in the Delaware General Corporation Law or any other applicable law.
The Company has entered into indemnification agreements with its directors and executive
officers, whereby the Company has agreed to indemnify its directors and executive officers to the
fullest extent permitted by law, including indemnification against expenses and liabilities
incurred in legal proceedings to which the director or officer was, or is threatened to be made, a
party by reason of the fact that such director or officer is or was a director, officer, employee
or agent of the Company, provided that such director or officer acted in good faith and in a manner
that the director or officer reasonably believed to be in, or not opposed to, the best interest of
the Company.
At present, there is no pending litigation or proceeding involving a director or officer of
the Company regarding which indemnification is sought, nor is the Company aware of any threatened
litigation that may result in claims for indemnification.
The Company maintains insurance policies that indemnify the Company's directors and officers
against various liabilities arising under the Securities Act and the Exchange Act that might be
incurred by any director or officer in his or her capacity as such.
ITEM 7. EXEMPTION FROM REGISTRATION CLAIMED.
Not applicable.
ITEM 8. EXHIBITS
Exhibit
Number
Description
3.1
(1)
Amended and Restated Certificate of Incorporation of QuinStreet, Inc.
3.2
(2)
Form of Amended and Restated Bylaws of QuinStreet, Inc.
4.1
(3)
Form of QuinStreet, Inc.'s Common Stock Certificate
4.2
(4)
Second Amended and Restated Investor Rights Agreement, by and between QuinStreet,
Inc., Douglas Valenti and the investors listed on Schedule 1 thereto, dated May 28,
2003.
4.3
Reference is made to Exhibits 3.1 and 3.2.
5.1
Opinion of Cooley Godward Kronish
llp
23.1
Consent of Cooley Godward Kronish LLP (included in Exhibit 5.1).
23.2
Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm.
24.1
Power of Attorney (included on the signature page of this Form S-8).
99.1
QuinStreet, Inc. 1999 Equity Incentive Plan (governing options outstanding prior to
the amendment and restatement by the 2008 Equity Incentive Plan).
99.2
Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-executive officer employees).
Table of Contents
Exhibit
Number
Description
99.3
Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
executive officers).
99.4
Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-employee directors).
99.5
QuinStreet, Inc. 2008 Equity Incentive Plan.
99.6
Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-executive officer employees).
99.7
Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for executive officers).
99.8
Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-employee directors).
99.9
QuinStreet, Inc. 2010 Equity Incentive Plan.
99.10
Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for non-executive officer employees).
99.11
Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for executive officers).
99.12
QuinStreet, Inc. 2010 Non-Employee Directors' Stock Award Plan.
99.13
Form of Option Agreement and Option Grant Notice for Initial Grants under the 2010
Non-Employee Directors' Stock Award Plan.
99.14
Form of Option Agreement and Option Grant Notice for Annual Grants under the 2010
Non-Employee Directors' Stock Award Plan.
(1)
Filed as Exhibit 3.2 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.
(2)
Filed as Exhibit 3.4 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.
(3)
Filed as Exhibit 4.1 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.
(4)
Filed as Exhibit 4.2 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.
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ITEM 9. UNDERTAKINGS
1.
The undersigned registrant hereby undertakes:
(a)
To file, during any period in which offers or sales are being made, a post-effective
amendment to this registration statement:
(i)
To include any prospectus required by section 10(a)(3) of the Securities Act;
(ii)
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 a 20% change in the maximum aggregate offering
price set forth in the "Calculation of Registration Fee" table in the effective registration
statement.
(iii)
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;
Provided, however,
that paragraphs (a)(i) and (a)(ii) 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 13 or section 15(d) of the
Exchange Act that are incorporated by reference in the registration statement.
(b)
That, for the purpose of determining any liability under the Securities Act, each such
post-effective amendment shall be deemed to be a new registration statement relating to the
securities offered herein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
(c)
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.
(d)
That, for the purpose of determining liability of the registrant under the Securities Act
to any purchaser in the initial distribution of the securities, the undersigned registrant
undertakes that in a primary offering of securities of the undersigned registrant pursuant to this
registration statement, regardless of the underwriting method used to sell the securities to the
purchaser, if the securities are offered or sold to such purchaser by means of any of the following
communications, the undersigned registrant will be a seller to the purchaser and will be considered
to offer or sell such securities to such purchaser:
(i)
Any preliminary prospectus or prospectus of the undersigned registrant relating to the
offering required to be filed pursuant to Rule 424;
(ii)
Any free writing prospectus relating to the offering prepared by or on behalf of the
undersigned registrant or used or referred to by the undersigned registrant;
(iii)
The portion of any other free writing prospectus relating to the offering containing
material information about the undersigned registrant or its securities provided by or on behalf of
the undersigned registrant; and
(iv)
Any other communication that is an offer in the offering made by the undersigned
registrant to the purchaser.
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2.
The undersigned registrant hereby undertakes that, for purposes of determining any liability
under the Securities Act, each filing of the registrant's annual report pursuant to Section
13(a) or Section 15(d) of the Exchange Act (and, where applicable, each filing of an employee
benefit plan's annual report pursuant to section 15(d) of the Exchange Act) that is
incorporated by reference in the Registration Statement shall be deemed to be a new
registration statement relating to the securities offered herein, and the offering of such
securities at that time shall be deemed to be the initial bona fide offering thereof.
3.
Insofar as indemnification for liabilities arising under the Securities Act 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 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 matter 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 and will be governed by the final
adjudication of such issue.
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SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, as amended, the Registrant
certifies that it has reasonable grounds to believe that it meets all of the requirements for
filing on Form S-8 and has duly caused this Registration Statement to be signed on its behalf by
the undersigned, thereunto duly authorized, in the City of Foster City, State of California, on
this 16
th
of March, 2010.
QuinStreet, Inc.
By:
/s/ Douglas Valenti
Douglas Valenti
Chief Executive Officer and Chairman
POWER OF ATTORNEY
Know All Persons By These Presents
,
that each person whose signature appears below
constitutes and appoints Douglas Valenti, and Kenneth Hahn, and each or any one of them, his true
and lawful attorney-in-fact and agent, with full power of substitution and resubstitution, for him
and in his name, place and stead, in any and all capacities, to sign any and all amendments
(including post-effective amendments) to this 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, and each of them, full power and
authority to do and perform each and every act and thing requisite and necessary to be done in
connection therewith, as fully to all intents and purposes as he might or could do in person,
hereby ratifying and confirming all that said attorneys-in-fact and agents, or any of them, or
their or his substitutes or substitute, may lawfully do or cause to be done by virtue hereof.
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.
Signature
Title
Date
/s/ Douglas Valenti
Chief Executive Officer and
Chairman
March 16, 2010
Douglas Valenti
(
Principal Executive Officer
)
/s/ Kenneth Hahn
Chief Financial Officer
March 16, 2010
Kenneth Hahn
(
Principal Financial and
Accounting Officer
)
/s/ William Bradley
William Bradley
Director
March 16, 2010
/s/ John G. McDonald
John G. McDonald
Director
March 16, 2010
/s/ Gregory Sands
Gregory Sands
Director
March 16, 2010
/s/ James Simons
James Simons
Director
March 16, 2010
Table of Contents
Signature
Title
Date
/s/ Glenn Solomon
Glenn Solomon
Director
March 16, 2010
/s/ Dana Stalder
Dana Stalder
Director
March 16, 2010
Table of Contents
EXHIBIT INDEX
Exhibit
Number
Description
3.1
(1)
Amended and Restated Certificate of Incorporation of QuinStreet, Inc.
3.2
(2)
Form of Amended and Restated Bylaws of QuinStreet, Inc.
4.1
(3)
Form of QuinStreet, Inc.'s Common Stock Certificate
4.2
(4)
Second Amended and Restated Investor Rights Agreement, by and between QuinStreet,
Inc., Douglas Valenti and the investors listed on Schedule 1 thereto, dated May 28,
2003.
4.3
Reference is made to Exhibits 3.1 and 3.2.
5.1
Opinion of Cooley Godward Kronish
llp
23.1
Consent of Cooley Godward Kronish LLP (included in Exhibit 5.1).
23.2
Consent of PricewaterhouseCoopers LLP, independent registered public accounting firm.
24.1
Power of Attorney (included on the signature page of this Form S-8).
99.1
QuinStreet, Inc. 1999 Equity Incentive Plan (governing options outstanding prior to
the amendment and restatement by the 2008 Equity Incentive Plan).
99.2
Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-executive officer employees).
99.3
Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
executive officers).
99.4
Forms of Option Agreement and Option Grant Notice under 1999 Equity Incentive Plan,
prior to its amendment and restatement by the 2008 Equity Incentive Plan (for
non-employee directors).
99.5
QuinStreet, Inc. 2008 Equity Incentive Plan.
99.6
Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-executive officer employees).
99.7
Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for executive officers).
99.8
Forms of Option Agreement and Option Grant Notice under 2008 Equity Incentive Plan
(for non-employee directors).
99.9
QuinStreet, Inc. 2010 Equity Incentive Plan.
99.10
Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for non-executive officer employees).
Table of Contents
Exhibit
Number
Description
99.11
Forms of Option Agreement and Option Grant Notice under 2010 Equity Incentive Plan
(for executive officers).
99.12
QuinStreet, Inc. 2010 Non-Employee Directors' Stock Award Plan.
99.13
Form of Option Agreement and Option Grant Notice for Initial Grants under the 2010
Non-Employee Directors' Stock Award Plan.
99.14
Form of Option Agreement and Option Grant Notice for Annual Grants under the 2010
Non-Employee Directors' Stock Award Plan.
(1)
Filed as Exhibit 3.2 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.
(2)
Filed as Exhibit 3.4 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.
(3)
Filed as Exhibit 4.1 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.
(4)
Filed as Exhibit 4.2 to the Registrant's Registration Statement on Form S-1, as
amended (File No. 333-163228), originally filed with the Securities and Exchange Commission on
November 19, 2009, and incorporated herein by reference.