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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="center" style="font-size: 10pt; margin-top: 18pt">As
Filed With the Securities and Exchange Commission on June&nbsp;9, 2006<BR>
Registration No.&nbsp;333-
</DIV>


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




<DIV align="center" style="font-size: 14pt; margin-top: 12pt"><B>UNITED STATES SECURITIES AND EXCHANGE COMMISSION</B>
</DIV>

<DIV align="center" style="font-size: 12pt"><B>Washington. D.C. 20549<BR>
<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: 12pt; margin-top: 12pt"><B>REGISTRATION STATEMENT<BR>
Under<BR>
THE SECURITIES ACT OF 1933</B>
</DIV>


<DIV align="center" style="font-size: 12pt; margin-top: 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>QUESTCOR PHARMACEUTICALS, 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%">
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<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
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<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>California</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>33-0476164</B></TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><I>(State or other jurisdiction of<BR>
incorporation or organization)</I>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><I>(I.R.S. Employer Identification No.)</I></TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>3260 Whipple Road, Union City, California 94587</B><BR>
<I>(Address of Principal Executive Offices)</I><BR>
<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"><B>2006 Equity Incentive Award Plan<BR>
2003 Employee Stock Purchase Plan</B><BR>
<I>(Full title of the plan)</I><BR>
<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"><B>James L. Fares<BR>
President and Chief Executive Officer<BR>
Questcor Pharmaceuticals, Inc.<BR>
3260 Whipple Road<BR>
Union City, California 94587</B><BR>
<I>(Name and address of agent for service)</I></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>(510)&nbsp;400-0700</B><BR>
<I>(Telephone number, including area code, of agent for service)</I></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt">Copies to:<BR>
<B>Michael H. Mulroy, Esq.<BR>
Stradling Yocca Carlson &#038; Rauth<BR>
660 Newport Center Drive, Suite&nbsp;1600,<BR>
Newport Beach, California 92660<BR>
(949)&nbsp;725-4000</B></DIV>


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

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
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<TR valign="bottom">
    <TD width="1%">&nbsp;</TD>
    <TD width="23%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="26%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD><!-- VRule -->
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>

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

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

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

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

    <TD nowrap align="center">To Be Registered</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000">Registered (1)</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center">Per Share (2)</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000">Price (2)</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 0px solid #000000">Registration Fee</TD>
    <TD width="1%">&nbsp;</TD>
</TR>

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    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD nowrap style="border-top: 1px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock,
no par value (3)</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">6,250,000 shares</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">$&#151;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">$&#151;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>

<TD align="center" valign="top" style="border-top: 1px solid #000000">$1,190.38</TD>
    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000"><DIV style="margin-left:15px; text-indent:-15px">Common Stock,
no par value (4)</DIV></TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">1,500,000 shares (5)</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">$&#151;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">$&#151;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 1px solid #000000">&nbsp;</TD>
    <TD style="border-top: 1px solid #000000">&nbsp;</TD>

<TD align="center" valign="top" style="border-top: 1px solid #000000">$285.69&nbsp;</TD>
    <TD width="1%" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR style="font-size: 1px" valign="bottom">
    <TD nowrap align="left" colspan="15" style="border-top: 3px double #000000">&nbsp;</TD>
</TR>

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

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(1)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Pursuant to Rule&nbsp;416(a), also registered hereunder are an indeterminate number of shares
which may become issuable pursuant to the anti-dilution adjustment provisions of the
Registrant&#146;s 2006 Equity Incentive Award Plan and 2003 Employee Stock Purchase Plan.</TD>
</TR>

</TABLE>
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(2)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>In accordance with Rule&nbsp;457(h), the aggregate offering
price of the 7,750,000 shares of
Common Stock registered hereby is estimated, solely for purposes of calculating the
registration fee, on the basis of the price of securities of the same class, as determined in
accordance with Rule&nbsp;457(c), using the average of the high and the low prices reported by the
American Stock Exchange for the Common Stock on June&nbsp;7, 2006,
which was $1.78&nbsp;per share.</TD>
</TR>

</TABLE>
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(3)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Shares available for issuance under the 2006 Equity Incentive Award Plan.</TD>
</TR>

<TR>
    <TD style="font-size: 6pt">&nbsp;</TD>
</TR><TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(4)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Shares available for issuance under the 2003 Employee Stock Purchase Plan.</TD>
</TR>

</TABLE>
</DIV>

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

<TR valign="top" style="font-size: 10pt; color: #000000; background: transparent">
    <TD width="1%" nowrap align="left">(5)</TD>
    <TD width="1%">&nbsp;</TD>
    <TD>Additional shares eligible under the 2003 Employee Stock Purchase Plan. An aggregate of
900,000 shares of Common Stock available for issuance under the 2003 Employee Stock Purchase
Plan have previously been registered on a Registration Statement on Form S-8 filed on May&nbsp;30,
2003 (Registration No.&nbsp;333-105694).</TD>
</TR>

</TABLE>
</DIV>

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





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

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<DIV 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>
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	<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 colspan="9"><A HREF="#001">PART II</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#002">Item&nbsp;3. Incorporation of Documents by Reference</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#003">Item&nbsp;4. Description of Securities</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#004">Item&nbsp;5. Interests of Named Experts and Counsel</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#005">Item&nbsp;6. Indemnification of Directors and Officers</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#006">Item&nbsp;7. Exemption from Registration Claimed</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#007">Item&nbsp;8. Exhibits</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#008">Item&nbsp;9. Undertakings</A></TD></TR>
<TR><TD colspan="9"><A HREF="#009">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#010">EXHIBIT INDEX</A></TD></TR>
<TR><TD colspan="9"><A HREF="f21132exv5w1.htm">EXHIBIT 5.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="f21132exv23w1.htm">EXHIBIT 23.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="f21132exv23w2.htm">EXHIBIT 23.2</A></TD></TR>
</TABLE>
</CENTER>
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<!-- link1 "PART I" -->
<DIV align="left"><A NAME="000"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART I<BR>
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS</B>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The documents containing the information specified in Part&nbsp;I of Form S-8 will be sent or given
to participants as specified by Rule&nbsp;428(b)(1) promulgated under the Securities Act.
</DIV>
<!-- link1 "PART II" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 18pt"><B>PART II<BR>
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</B>
</DIV>

<!-- link2 "Item&nbsp;3. Incorporation of Documents by Reference" -->
<DIV align="left"><A NAME="002"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;3. <U>Incorporation of Documents by Reference</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following documents, which have been filed by the Registrant with the Securities and
Exchange Commission (the &#147;Commission&#148;) are incorporated herein by reference:
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;The Registrant&#146;s Annual Report on Form 10-K for the fiscal year ended December&nbsp;31, 2005,
filed with the Commission on March&nbsp;30, 2006.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;The Registrant&#146;s Quarterly Report on Form 10-Q for the quarter ended March&nbsp;31, 2006, filed
with the Commission on May&nbsp;12, 2006.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;The Registrant&#146;s Definitive Proxy Statement on Schedule&nbsp;14A filed with the Commission on
April&nbsp;10, 2006.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(d)&nbsp;All other reports filed by the Registrant pursuant to Section 13(a) or 15(d) of the
Securities Exchange Act of 1934, as amended (the &#147;Exchange Act&#148;), since the end of the fiscal year
covered by the Annual Report referred to in (a)&nbsp;above.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(e)&nbsp;The description of Registrant&#146;s common stock contained in its Registration Statement on
Form 8-A filed with the SEC on October&nbsp;26, 1992, as amended.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;All documents subsequently filed by the Registrant 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 of such securities then
remaining unsold, shall be deemed to be incorporated herein by reference and to be a part hereof
from the date of filing of such documents, except as to any portion of any future annual or
quarterly report to stockholders or document that is not deemed filed under such provisions. For
the purposes of this Registration Statement, any statement in a document incorporated by reference
shall be deemed to be modified or superseded to the extent that a statement contained in this
Registration Statement modifies or supersedes a statement in such document. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part of this Registration Statement.
</DIV>
<!-- link2 "Item&nbsp;4. Description of Securities" -->
<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;4.<U> Description of Securities.</U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>
<!-- link2 "Item&nbsp;5. Interests of Named Experts and Counsel" -->
<DIV align="left"><A NAME="004"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;5.<U> Interests of Named Experts and Counsel.</U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

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

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<DIV style="font-family: 'Times New Roman',Times,serif">
<!-- link2 "Item&nbsp;6. Indemnification of Directors and Officers" -->
<DIV align="left"><A NAME="005"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">Item&nbsp;6. <U>Indemnification of Directors and Officers</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;Section&nbsp;317 of the California General Corporation Law authorizes a court to award, or a
corporation&#146;s Board of Directors to grant, indemnity to directors and officers who are parties or
are threatened to be made parties to any proceeding (with exceptions) by reason of the fact that
the person is or was an agent of the corporation, against expenses, judgments, fines, settlements
and other amounts actually and reasonably incurred in connection with the proceeding if that person
acted in good faith and in a manner the person reasonably believed to be in the best interests of
the corporation. This limitation on liability has no effect on a director&#146;s liability (i)&nbsp;for acts
or omissions that involve intentional misconduct or a knowing and culpable violation of law, (ii)
for acts or omissions that a director believes to be contrary to the best interests of the
corporation or its security holders or that involve the absence of good faith on the part of the
director, (iii)&nbsp;relating to any transaction from which a director derived an improper personal
benefit, (iv)&nbsp;for acts or omissions that show a reckless disregard for the director&#146;s duty to the
corporation or its security holders in circumstances in which the director was aware, or should
have been aware, in the ordinary course of performing a director&#146;s duties, of a risk of a serious
injury to the corporation or its security holders, (v)&nbsp;for acts or omissions that constitute an
unexcused pattern of inattention that amounts to an abdication of the director&#146;s duty to the
corporation or its security holders, (vi)&nbsp;under Section&nbsp;310 of the California General Corporation
Law (concerning contracts or transactions between the corporation and a director) or (vii)&nbsp;under
Section&nbsp;316 of the California General Corporation Law (directors&#146; liability for improper dividends,
loans and guarantees). The provision does not extend to acts or omissions of a director in his
capacity as an officer. Further, the provision has no effect on claims arising under federal or
state securities laws and does not affect the availability of injunctions and other equitable
remedies available to our security holders for any violation of a director&#146;s fiduciary duty to us
or our security holders. Although the validity and scope of the legislation underlying the
provision have not yet been interpreted to any significant extent by the California courts, the
provision may relieve directors of monetary liability to us for grossly negligent conduct,
including conduct in situations involving attempted takeovers of Questcor.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;In accordance with Section&nbsp;317, our Amended and Restated Articles of Incorporation, or
Articles, limit the liability of a director to us or our security holders for monetary damages to
the fullest extent permissible under California law, and authorizes us to provide indemnification
to our agents (including our officers and directors), subject to the limitations set forth above.
Our Bylaws further provide for indemnification of corporate agents to the maximum extent permitted
by the California General Corporation Law.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;We also maintain insurance policies that insure our officers and directors against
liabilities arising from their positions.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The foregoing summaries are necessarily subject to the complete text of the statute, our
Articles and our Bylaws referred to above and are qualified in their entirety by reference thereto.
</DIV>
<!-- link2 "Item&nbsp;7. Exemption from Registration Claimed" -->
<DIV align="left"><A NAME="006"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Item&nbsp;7. <U>Exemption from Registration Claimed</U>.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Not applicable.
</DIV>

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

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<DIV style="font-family: 'Times New Roman',Times,serif">
<!-- link2 "Item&nbsp;8. Exhibits" -->
<DIV align="left"><A NAME="007"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt">Item&nbsp;8. <U>Exhibits.</U>
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;The following exhibits are filed as part of this Registration Statement:
</DIV>
<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="94%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
</TR>
<TR>    <TD>&nbsp;</TD></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Amended and Restated Articles of Incorporation of
Questcor Pharmaceuticals, Inc. (filed as an exhibit to the
Company&#146;s Registration Statement on Form&nbsp;S-8, Registration
Statement No.&nbsp;333-30558, filed on February&nbsp;16, 2000, and
incorporated herein by reference).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Certificate of Determination of Series&nbsp;C Junior
Participating Preferred Stock of the Company (filed as an
exhibit to the Company&#146;s Current Report on Form&nbsp;8-K filed on
February&nbsp;14, 2003, and incorporated herein by
reference).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Bylaws of Questcor Pharmaceuticals, Inc. (incorporated by
reference to Exhibit&nbsp;3.4 to the Registrant&#146;s Registration
Statement on Form&nbsp;S-1 (File No.&nbsp;333-13679) filed with the
Commission on December&nbsp;3, 1996).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Certificate of Amendment to the Questcor
Pharmaceuticals, Inc. Bylaws, dated as of March&nbsp;2, 2006
(filed as an exhibit to the Company&#146;s Current Report on Form
8-K filed on March&nbsp;2, 2006, and incorporated herein by
reference).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Opinion of Stradling Yocca Carlson &#038; Rauth, a
Professional Corporation.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Consent of Odenberg, Ullakko, Muranishi &#038; Co. LLP,
Independent Registered Public Accounting Firm.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Consent of Ernst &#038; Young LLP, Independent Registered
Public Accounting Firm.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Consent of Stradling Yocca Carlson &#038; Rauth, a
Professional Corporation (included in Exhibit&nbsp;5.1).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Power of Attorney (included on signature page to the
Registration Statement).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">2006 Equity Incentive Award Plan (filed as an exhibit
to the Company&#146;s Current Report on Form&nbsp;8-K, filed with the
Commission on May&nbsp;24, 2006).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">2003 Employee Stock Purchase Plan (filed as an
exhibit to the Company&#146;s Definitive Proxy on Schedule&nbsp;14A
filed with the Commission on April&nbsp;10, 2006).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

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

<!-- link2 "Item&nbsp;9. Undertakings" -->
<DIV align="left"><A NAME="008"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><U>Item&nbsp;9. Undertakings</U>.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(a)&nbsp;The undersigned Registrant hereby undertakes:
</DIV>

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



<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(i) To include any prospectus required by Section&nbsp;10(a)(3) of the Securities
Act of 1933, as amended (the &#147;Securities Act&#148;);
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(ii) To reflect in the prospectus any facts or events arising after the
effective date of this 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;
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt; margin-left: 6%">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(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.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;<U>Provided</U>, <U>however</U>, that paragraphs (a)(1)(i) and (a)(1)(ii) shall not apply if
the information required to be included in a post-effective amendment by these paragraphs is
contained in periodic reports filed by the registrant pursuant to Section&nbsp;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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(2)&nbsp;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 therein, 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;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(3)&nbsp;To remove from registration by means of a post-effective amendment any of the securities
being registered which remain unsold at the termination of the offering.
</DIV>


<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(b)&nbsp;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 that is incorporated by reference in the
Registration Statement shall be deemed to be a new Registration Statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(c)&nbsp;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.
</DIV>

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

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<DIV style="font-family: 'Times New Roman',Times,serif">
<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="009"></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 Union City, State of California, on the
8<SUP>th</SUP> day of June, 2006.
</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">QUESTCOR PHARMACEUTICALS, INC.<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/ James L. Fares
&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">James L. Fares&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR><TR>
    <TD align="left">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="2" align="left">President and Chief Executive Officer&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
<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;We, the undersigned directors and officers of Questcor Pharmaceuticals, Inc., do hereby
constitute and appoint James L. Fares and George M. Stuart, or either of them, our true and lawful
attorneys and agents, to do any and all acts and things in our name and behalf in our capacities as
directors and officers and to execute any and all instruments for us and in our names in the
capacities indicated below, which said attorneys and agents, or either of them, may deem necessary
or advisable to enable said corporation to comply with the Securities Act of 1933, as amended, and
any rules, regulations, and requirements of the Securities and Exchange Commission, in connection
with this Registration Statement, including specifically, but without limitation, power and
authority to sign for us or any of us in our names and in the capacities indicated below, any and
all amendments (including post-effective amendments) to this Registration Statement and we do
hereby ratify and confirm all that the said attorneys and agents, or either of them, shall do or
cause to be done by virtue hereof.
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration
Statement has been signed below 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="32%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="33%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="32%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>
<TR>    <TD>&nbsp;</TD></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ James L. Fares
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">President, Chief Executive
Officer and Director
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;8, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
James L. Fares
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;(Principal
Executive Officer)</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ George M. Stuart
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Chief Financial Officer
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June&nbsp;8, 2006</TD>
</TR>
<TR style="font-size: 1px">
    <TD align="center" valign="top" style="border-top: 1px solid #000000"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">George M. Stuart&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Principal Financial and
Principal Accounting Officer)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

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<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="32%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="33%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="32%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Signature</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Title</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Date</TD>
</TR>
<TR>    <TD>&nbsp;</TD></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Albert Hansen
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Chairman of the Board of
Directors</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June 8, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Albert Hansen
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Don M. Bailey</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June 8, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Don M. Bailey
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Neal C. Bradsher</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June 8, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Neal C. Bradsher
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Gregg Lapointe</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June 8, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Gregg Lapointe
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px">/s/ Virgil D. Thompson</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Director</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">June 8, 2006</TD>
</TR>
<TR valign="bottom">
    <TD align="left" valign="top"><DIV style="margin-left:0px; text-indent:-0px"><DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Virgil D. Thompson
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
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</TABLE>
</DIV>



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


<!-- link1 "EXHIBIT INDEX" -->
<DIV align="left"><A NAME="010"></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="5%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="94%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Number</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Description</TD>
</TR>
<TR>    <TD>&nbsp;</TD></TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Amended and Restated Articles of Incorporation of
Questcor Pharmaceuticals, Inc. (filed as an exhibit to the
Company&#146;s Registration Statement on Form&nbsp;S-8, Registration
Statement No.&nbsp;333-30558, filed on February&nbsp;16, 2000, and
incorporated herein by reference).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Certificate of Determination of Series&nbsp;C Junior
Participating Preferred Stock of the Company (filed as an
exhibit to the Company&#146;s Current Report on Form&nbsp;8-K filed on
February&nbsp;14, 2003, and incorporated herein by
reference) .</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Bylaws of Questcor Pharmaceuticals, Inc. (incorporated by
reference to Exhibit&nbsp;3.4 to the Registrant&#146;s Registration
Statement on Form&nbsp;S-1 (File No.&nbsp;333-13679) filed with the
Commission on December&nbsp;3, 1996).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">4.4
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Certificate of Amendment to the Questcor
Pharmaceuticals, Inc. Bylaws, dated as of March&nbsp;2, 2006
(filed as an exhibit to the Company&#146;s Current Report on Form
8-K filed on March&nbsp;2, 2006, and incorporated herein by
reference).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Opinion of Stradling Yocca Carlson &#038; Rauth, a
Professional Corporation.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Consent of Odenberg, Ullakko, Muranishi &#038; Co. LLP,
Independent Registered Public Accounting Firm.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Consent of Ernst &#038; Young LLP, Independent Registered
Public Accounting Firm.</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.3
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Consent of Stradling Yocca Carlson &#038; Rauth, a
Professional Corporation (included in Exhibit&nbsp;5.1).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">Power of Attorney (included on signature page to the
Registration Statement).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">2006 Equity Incentive Award Plan (filed as an exhibit
to the Company&#146;s Current Report on Form&nbsp;8-K, filed with the
Commission on May&nbsp;24, 2006).</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="bottom">2003 Employee Stock Purchase Plan (filed as an exhibit
to the Company&#146;s Definitive Proxy on Schedule&nbsp;14A filed with
the Commission on April&nbsp;10, 2006).</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

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sv8
Table of Contents
As
Filed With the Securities and Exchange Commission on June 9, 2006
Registration No. 333-
UNITED STATES SECURITIES AND EXCHANGE COMMISSION
Washington. D.C. 20549
FORM S-8
REGISTRATION STATEMENT
Under
THE SECURITIES ACT OF 1933
QUESTCOR PHARMACEUTICALS, INC.
(Exact name of registrant as specified in its charter)
California
33-0476164
(State or other jurisdiction of
incorporation or organization)
(I.R.S. Employer Identification No.)
3260 Whipple Road, Union City, California 94587
(Address of Principal Executive Offices)
2006 Equity Incentive Award Plan
2003 Employee Stock Purchase Plan
(Full title of the plan)
James L. Fares
President and Chief Executive Officer
Questcor Pharmaceuticals, Inc.
3260 Whipple Road
Union City, California 94587
(Name and address of agent for service)
(510) 400-0700
(Telephone number, including area code, of agent for service)
Copies to:
Michael H. Mulroy, Esq.
Stradling Yocca Carlson & Rauth
660 Newport Center Drive, Suite 1600,
Newport Beach, California 92660
(949) 725-4000
CALCULATION OF REGISTRATION FEE
Proposed
Maximum
Proposed Maximum
Title of Securities
Amount To Be
Offering Price
Aggregate Offering
Amount Of
To Be Registered
Registered (1)
Per Share (2)
Price (2)
Registration Fee
Common Stock,
no par value (3)
6,250,000 shares
$—
$—
$1,190.38
Common Stock,
no par value (4)
1,500,000 shares (5)
$—
$—
$285.69
(1)
Pursuant to Rule 416(a), also registered hereunder are an indeterminate number of shares
which may become issuable pursuant to the anti-dilution adjustment provisions of the
Registrant's 2006 Equity Incentive Award Plan and 2003 Employee Stock Purchase Plan.
(2)
In accordance with Rule 457(h), the aggregate offering
price of the 7,750,000 shares of
Common Stock registered hereby is estimated, solely for purposes of calculating the
registration fee, on the basis of the price of securities of the same class, as determined in
accordance with Rule 457(c), using the average of the high and the low prices reported by the
American Stock Exchange for the Common Stock on June 7, 2006,
which was $1.78 per share.
(3)
Shares available for issuance under the 2006 Equity Incentive Award Plan.
(4)
Shares available for issuance under the 2003 Employee Stock Purchase Plan.
(5)
Additional shares eligible under the 2003 Employee Stock Purchase Plan. An aggregate of
900,000 shares of Common Stock available for issuance under the 2003 Employee Stock Purchase
Plan have previously been registered on a Registration Statement on Form S-8 filed on May 30,
2003 (Registration No. 333-105694).
TABLE OF CONTENTS
PART I
PART II
Item 3. Incorporation of 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
EXHIBIT 5.1
EXHIBIT 23.1
EXHIBIT 23.2
Table of Contents
PART I
INFORMATION REQUIRED IN THE SECTION 10(a) PROSPECTUS
The documents containing the information specified in Part I of Form S-8 will be sent or given
to participants as specified by Rule 428(b)(1) promulgated under the Securities Act.
PART II
INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 3.
Incorporation of Documents by Reference
.
The following documents, which have been filed by the Registrant with the Securities and
Exchange Commission (the "Commission") are incorporated herein by reference:
(a) The Registrant's Annual Report on Form 10-K for the fiscal year ended December 31, 2005,
filed with the Commission on March 30, 2006.
(b) The Registrant's Quarterly Report on Form 10-Q for the quarter ended March 31, 2006, filed
with the Commission on May 12, 2006.
(c) The Registrant's Definitive Proxy Statement on Schedule 14A filed with the Commission on
April 10, 2006.
(d) All other reports filed by the Registrant pursuant to Section 13(a) or 15(d) of the
Securities Exchange Act of 1934, as amended (the "Exchange Act"), since the end of the fiscal year
covered by the Annual Report referred to in (a) above.
(e) The description of Registrant's common stock contained in its Registration Statement on
Form 8-A filed with the SEC on October 26, 1992, as amended.
All documents subsequently filed by the Registrant 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 of such securities then
remaining unsold, shall be deemed to be incorporated herein by reference and to be a part hereof
from the date of filing of such documents, except as to any portion of any future annual or
quarterly report to stockholders or document that is not deemed filed under such provisions. For
the purposes of this Registration Statement, any statement in a document incorporated by reference
shall be deemed to be modified or superseded to the extent that a statement contained in this
Registration Statement modifies or supersedes a statement in such document. Any statement so
modified or superseded shall not be deemed, except as so modified or superseded, to constitute a
part of this Registration Statement.
Item 4.
Description of Securities.
Not applicable.
Item 5.
Interests of Named Experts and Counsel.
Not applicable.
2
Table of Contents
Item 6.
Indemnification of Directors and Officers
.
(a) Section 317 of the California General Corporation Law authorizes a court to award, or a
corporation's Board of Directors to grant, indemnity to directors and officers who are parties or
are threatened to be made parties to any proceeding (with exceptions) by reason of the fact that
the person is or was an agent of the corporation, against expenses, judgments, fines, settlements
and other amounts actually and reasonably incurred in connection with the proceeding if that person
acted in good faith and in a manner the person reasonably believed to be in the best interests of
the corporation. This limitation on liability has no effect on a director's liability (i) for acts
or omissions that involve intentional misconduct or a knowing and culpable violation of law, (ii)
for acts or omissions that a director believes to be contrary to the best interests of the
corporation or its security holders or that involve the absence of good faith on the part of the
director, (iii) relating to any transaction from which a director derived an improper personal
benefit, (iv) for acts or omissions that show a reckless disregard for the director's duty to the
corporation or its security holders in circumstances in which the director was aware, or should
have been aware, in the ordinary course of performing a director's duties, of a risk of a serious
injury to the corporation or its security holders, (v) for acts or omissions that constitute an
unexcused pattern of inattention that amounts to an abdication of the director's duty to the
corporation or its security holders, (vi) under Section 310 of the California General Corporation
Law (concerning contracts or transactions between the corporation and a director) or (vii) under
Section 316 of the California General Corporation Law (directors' liability for improper dividends,
loans and guarantees). The provision does not extend to acts or omissions of a director in his
capacity as an officer. Further, the provision has no effect on claims arising under federal or
state securities laws and does not affect the availability of injunctions and other equitable
remedies available to our security holders for any violation of a director's fiduciary duty to us
or our security holders. Although the validity and scope of the legislation underlying the
provision have not yet been interpreted to any significant extent by the California courts, the
provision may relieve directors of monetary liability to us for grossly negligent conduct,
including conduct in situations involving attempted takeovers of Questcor.
(b) In accordance with Section 317, our Amended and Restated Articles of Incorporation, or
Articles, limit the liability of a director to us or our security holders for monetary damages to
the fullest extent permissible under California law, and authorizes us to provide indemnification
to our agents (including our officers and directors), subject to the limitations set forth above.
Our Bylaws further provide for indemnification of corporate agents to the maximum extent permitted
by the California General Corporation Law.
(c) We also maintain insurance policies that insure our officers and directors against
liabilities arising from their positions.
The foregoing summaries are necessarily subject to the complete text of the statute, our
Articles and our Bylaws referred to above and are qualified in their entirety by reference thereto.
Item 7.
Exemption from Registration Claimed
.
Not applicable.
3
Table of Contents
Item 8.
Exhibits.
The following exhibits are filed as part of this Registration Statement:
Number
Description
4.1
Amended and Restated Articles of Incorporation of
Questcor Pharmaceuticals, Inc. (filed as an exhibit to the
Company's Registration Statement on Form S-8, Registration
Statement No. 333-30558, filed on February 16, 2000, and
incorporated herein by reference).
4.2
Certificate of Determination of Series C Junior
Participating Preferred Stock of the Company (filed as an
exhibit to the Company's Current Report on Form 8-K filed on
February 14, 2003, and incorporated herein by
reference).
4.3
Bylaws of Questcor Pharmaceuticals, Inc. (incorporated by
reference to Exhibit 3.4 to the Registrant's Registration
Statement on Form S-1 (File No. 333-13679) filed with the
Commission on December 3, 1996).
4.4
Certificate of Amendment to the Questcor
Pharmaceuticals, Inc. Bylaws, dated as of March 2, 2006
(filed as an exhibit to the Company's Current Report on Form
8-K filed on March 2, 2006, and incorporated herein by
reference).
5.1
Opinion of Stradling Yocca Carlson & Rauth, a
Professional Corporation.
23.1
Consent of Odenberg, Ullakko, Muranishi & Co. LLP,
Independent Registered Public Accounting Firm.
23.2
Consent of Ernst & Young LLP, Independent Registered
Public Accounting Firm.
23.3
Consent of Stradling Yocca Carlson & Rauth, a
Professional Corporation (included in Exhibit 5.1).
24.1
Power of Attorney (included on signature page to the
Registration Statement).
99.1
2006 Equity Incentive Award Plan (filed as an exhibit
to the Company's Current Report on Form 8-K, filed with the
Commission on May 24, 2006).
99.2
2003 Employee Stock Purchase Plan (filed as an
exhibit to the Company's Definitive Proxy on Schedule 14A
filed with the Commission on April 10, 2006).
4
Table of Contents
Item 9. Undertakings
.
(a) The undersigned Registrant hereby undertakes:
(1) 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 of 1933, as amended (the "Securities Act");
(ii) To reflect in the prospectus any facts or events arising after the
effective date of this 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;
(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)(1)(i) and (a)(1)(ii) shall not apply if
the information required to be included in a post-effective amendment by these paragraphs is
contained in periodic reports filed by the registrant pursuant to Section 13 or Section 15(d) of
the Exchange Act that are incorporated by reference in the Registration Statement.
(2) 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 therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
(3) 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.
(b) 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 that is incorporated by reference in the
Registration Statement shall be deemed to be a new Registration Statement relating to the
securities offered therein, and the offering of such securities at that time shall be deemed to be
the initial bona fide offering thereof.
(c) 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.
5
Table of Contents
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 Union City, State of California, on the
8
th
day of June, 2006.
QUESTCOR PHARMACEUTICALS, INC.
By:
/s/ James L. Fares
James L. Fares
President and Chief Executive Officer
POWER OF ATTORNEY
We, the undersigned directors and officers of Questcor Pharmaceuticals, Inc., do hereby
constitute and appoint James L. Fares and George M. Stuart, or either of them, our true and lawful
attorneys and agents, to do any and all acts and things in our name and behalf in our capacities as
directors and officers and to execute any and all instruments for us and in our names in the
capacities indicated below, which said attorneys and agents, or either of them, may deem necessary
or advisable to enable said corporation to comply with the Securities Act of 1933, as amended, and
any rules, regulations, and requirements of the Securities and Exchange Commission, in connection
with this Registration Statement, including specifically, but without limitation, power and
authority to sign for us or any of us in our names and in the capacities indicated below, any and
all amendments (including post-effective amendments) to this Registration Statement and we do
hereby ratify and confirm all that the said attorneys and agents, or either of them, shall do or
cause to be done by virtue hereof.
Pursuant to the requirements of the Securities Act of 1933, as amended, this Registration
Statement has been signed below by the following persons in the capacities and on the dates
indicated.
Signature
Title
Date
/s/ James L. Fares
President, Chief Executive
Officer and Director
June 8, 2006
James L. Fares
(Principal
Executive Officer)
/s/ George M. Stuart
Chief Financial Officer
June 8, 2006
George M. Stuart
(Principal Financial and
Principal Accounting Officer)
6
Table of Contents
Signature
Title
Date
/s/ Albert Hansen
Chairman of the Board of
Directors
June 8, 2006
Albert Hansen
/s/ Don M. Bailey
Director
June 8, 2006
Don M. Bailey
/s/ Neal C. Bradsher
Director
June 8, 2006
Neal C. Bradsher
/s/ Gregg Lapointe
Director
June 8, 2006
Gregg Lapointe
/s/ Virgil D. Thompson
Director
June 8, 2006
Virgil D. Thompson
7
Table of Contents
EXHIBIT INDEX
Number
Description
4.1
Amended and Restated Articles of Incorporation of
Questcor Pharmaceuticals, Inc. (filed as an exhibit to the
Company's Registration Statement on Form S-8, Registration
Statement No. 333-30558, filed on February 16, 2000, and
incorporated herein by reference).
4.2
Certificate of Determination of Series C Junior
Participating Preferred Stock of the Company (filed as an
exhibit to the Company's Current Report on Form 8-K filed on
February 14, 2003, and incorporated herein by
reference) .
4.3
Bylaws of Questcor Pharmaceuticals, Inc. (incorporated by
reference to Exhibit 3.4 to the Registrant's Registration
Statement on Form S-1 (File No. 333-13679) filed with the
Commission on December 3, 1996).
4.4
Certificate of Amendment to the Questcor
Pharmaceuticals, Inc. Bylaws, dated as of March 2, 2006
(filed as an exhibit to the Company's Current Report on Form
8-K filed on March 2, 2006, and incorporated herein by
reference).
5.1
Opinion of Stradling Yocca Carlson & Rauth, a
Professional Corporation.
23.1
Consent of Odenberg, Ullakko, Muranishi & Co. LLP,
Independent Registered Public Accounting Firm.
23.2
Consent of Ernst & Young LLP, Independent Registered
Public Accounting Firm.
23.3
Consent of Stradling Yocca Carlson & Rauth, a
Professional Corporation (included in Exhibit 5.1).
24.1
Power of Attorney (included on signature page to the
Registration Statement).
99.1
2006 Equity Incentive Award Plan (filed as an exhibit
to the Company's Current Report on Form 8-K, filed with the
Commission on May 24, 2006).
99.2
2003 Employee Stock Purchase Plan (filed as an exhibit
to the Company's Definitive Proxy on Schedule 14A filed with
the Commission on April 10, 2006).