<HTML>
<HEAD>
<TITLE>S-8</TITLE>
</HEAD>
<BODY bgcolor="#FFFFFF">
<!-- PAGEBREAK -->
<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: 10pt">As filed with the Securities and Exchange Commission on <U>&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;</U></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="47%"></TD>
    <TD width="5%"></TD>
    <TD width="47%"></TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="left" valign="top">&nbsp;
</TD>
    <TD>&nbsp;</TD>
    <TD align="right" valign="top">Registration No.&nbsp;333-&#95;&#95;&#95;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</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<BR>
SECURITIES AND EXCHANGE COMMISSION</B></DIV>

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

<DIV align="center" style="font-size: 18pt; margin-top: 12pt"><B><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: 24pt; margin-top: 12pt; border-bottom: 1px solid #000000"><B>FSI International, Inc.</B></DIV>

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

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="47%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="47%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><B>Minnesota</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><B>41-1223238</B></TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="3" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(State or other jurisdiction <BR>
of incorporation)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(IRS Employer<BR>
Identification No.)</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><B>3455 Lyman Boulevard <BR>
Chaska, Minnesota</B>
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top"><br><B>55318</B></TD>
</TR>
<TR style="font-size: 1px">
    <TD colspan="3" valign="top" align="left" style="border-top: 1px solid #000000">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top">(Address of principal executive offices)
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">(Zip Code)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>FSI INTERNATIONAL, INC. 2008 OMNIBUS STOCK PLAN<BR>
AND<BR>
FSI INTERNATIONAL, INC. EMPLOYEES STOCK PURCHASE PLAN</B></DIV>

<DIV align="center" style="font-size: 10pt"><DIV style="width: 100%; border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 10pt">(Full title of the plans)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>DONALD S. MITCHELL<BR>
CHAIRMAN AND CHIEF EXECUTIVE OFFICER<BR>
FSI INTERNATIONAL, INC.<BR>
3455 LYMAN BOULEVARD<BR>
CHASKA, MINNESOTA 55318</B></DIV>

<DIV align="center" style="font-size: 10pt"><DIV style="width: 100%; border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV></DIV>

<DIV align="center" style="font-size: 10pt">(Name and address of agent for service)</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 12pt"><B>(952)&nbsp;448-5440</B></DIV>

<DIV align="center" style="font-size: 10pt"><DIV style="width: 100%; border-bottom: 1px solid #000000; font-size: 1px">&nbsp;</DIV>
(Telephone number, including area code, of agent for service)</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. (Check one):</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%"></TD>
    <TD width="3%"></TD>
    <TD width="22%"></TD>
    <TD width="3%"></TD>
<TD width="22%"></TD>
    <TD width="3%"></TD>
    <TD width="22%"></TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom" style="font-weight: bold">
    <TD align="left" valign="top" nowrap>Large accelerated filer <FONT face="Wingdings">&#111;</FONT></TD>   <TD>&nbsp;</TD>
    <TD align="center" valign="top" nowrap>Accelerated filer
<FONT face="Wingdings">&#111;</FONT></TD><TD>&nbsp;</TD>
    <TD align="center" valign="top" nowrap>Non-accelerated filer <FONT face="Wingdings">&#111;</FONT></TD><TD>&nbsp;</TD>
    <TD nowrap align="right" valign="top">Smaller reporting company
<FONT face="Wingdings">&#254;</FONT></TD>
</TR>
<TR valign="bottom" style="font-weight: bold">
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" nowrap>(Do not check if a smaller reporting company)</TD>
    <TD>&nbsp;</TD>
<TD align="right" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt">CALCULATION OF REGISTRATION FEE</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="48%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="6%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="2%">&nbsp;</TD><!-- VRule -->
    <TD width="2%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="3%">&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">Proposed</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Proposed</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>&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">Maximum</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Maximum</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="center">Title of Securities</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Amount to be</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Offering Price Per</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Aggregate</TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">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" colspan="3">Registered <SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Share <SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Offering Price <SUP style="font-size: 85%; vertical-align: text-top">(2)</SUP></TD>
    <TD style="border-right: 2px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" colspan="3">Registration Fee</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, no par value</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" nowrap>1,500,000 Shares</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">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">0.36</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-right: 2px solid #000000; border-top: 2px solid #000000">&nbsp;</TD>
    <TD style="border-top: 2px solid #000000">&nbsp;</TD>
    <TD align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">540,000</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 align="right" style="border-top: 2px solid #000000">$</TD>
    <TD align="right" style="border-top: 2px solid #000000">30.13</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>
</TABLE>
</DIV>

<DIV align="left">
<DIV style="font-size: 3pt; margin-top: 3pt; 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"><SUP style="font-size: 85%; vertical-align: text-top">(1)</SUP></TD>
    <TD>&nbsp;</TD>
    <TD>This Registration Statement relates to an additional 500,000 shares of Common Stock
to be offered under the registrant&#146;s 2008 Omnibus Stock Plan, for which 1,000,000 shares were
registered under Registration Statement on Form S-8 No.&nbsp;333-149852. This Registration
Statement also relates to an additional 1,000,000 shares of Common Stock to be offered under
the registrant&#146;s Employees Stock Purchase Plan, for which 3,300,000 shares were registered
under Registration Statements on Form&nbsp;S-8 (Nos. 33-33647, 33-39920, 33-46296, 33-77852,
333-19677, 333-50991, 333-96275, 333-61164, 333-104088, 333-113735, 333-122729 and
333-149852).</TD>
</TR>

<TR style="font-size: 3pt"><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>Estimated solely for the purpose of calculating the registration fee under Rules
457(c) and (h)(1) under the Securities Act of 1933, based on the average of the high and low
sale prices per share of the registrant&#146;s Common Stock on April&nbsp;7, 2009 as reported on the
Nasdaq Global Market.</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 II-INFORMATION REQUIRED IN THE REGISTRATION STATEMENT</A></TD></TR>
<TR><TD></TD><TD colspan="8"><A HREF="#001">Item&nbsp;8. Exhibits</A></TD></TR>
<TR><TD colspan="9"><A HREF="#002">SIGNATURES</A></TD></TR>
<TR><TD colspan="9"><A HREF="#003">INDEX TO EXHIBITS</A></TD></TR>
<TR><TD colspan="9"><A HREF="c50470exv5.htm">EX-5</A></TD></TR>
<TR><TD colspan="9"><A HREF="c50470exv23w2.htm">EX-23.2</A></TD></TR>
<TR><TD colspan="9"><A HREF="c50470exv24.htm">EX-24</A></TD></TR>
<TR><TD colspan="9"><A HREF="c50470exv99w1.htm">EX-99.1</A></TD></TR>
<TR><TD colspan="9"><A HREF="c50470exv99w2.htm">EX-99.2</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>

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

<DIV align="left" style="font-size: 10pt; margin-top: 10pt">This Registration Statement on Form S-8 is being filed for the purpose of registering an additional
500,000 shares of the registrant&#146;s Common Stock to be issued pursuant to the registrant&#146;s 2008
Omnibus Stock Plan. This Registration Statement also relates to the registration of an additional
1,000,000 shares of the registrant&#146;s Common Stock to be issued pursuant to the registrant&#146;s
Employees Stock Purchase Plan. In accordance with Section&nbsp;E of the General Instructions to Form
S-8, the following Registration Statements on Form S-8 relating to the 2008 Omnibus Stock Plan and
the Employees Stock Purchase Plan previously filed with the Securities and Exchange Commission (the
&#147;SEC&#148;) are incorporated into this Registration Statement by reference to the registrant&#146;s
Registration Statements on Form&nbsp;S-8 (Nos. 33-33647, 33-39920, 33-46296, 33-77852, 333-19677,
333-30675, 333-50991, 333-96275, 333-61164, 333-104088, 333-113735, 333-122729 and 333-149852).
</DIV>

<!-- link1 "PART II-INFORMATION REQUIRED IN THE REGISTRATION STATEMENT" -->
<DIV align="left"><A NAME="000"></A></DIV>

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

<!-- link2 "Item&nbsp;8. Exhibits" -->
<DIV align="left"><A NAME="001"></A></DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 12pt"><B>Item&nbsp;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="8%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="88%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Exhibit</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Description</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Faegre &#038; Benson LLP.</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="top">Consent of Faegre &#038; Benson LLP (included in Exhibit&nbsp;5).</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="top">Consent of KPMG LLP, Independent Registered Public Accounting Firm.</TD>
</TR>
<TR valign="bottom">
    <TD align="center" valign="top"><DIV style="margin-left:0px; text-indent:-0px">24
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Powers of Attorney of directors and officers.</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="top">FSI International, Inc. 2008 Omnibus Stock Plan, as amended.</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="top">FSI International, Inc. Employees Stock Purchase Plan, as amended
and restated.</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<P align="center" style="font-size: 10pt"><!-- Folio -->2<!-- /Folio -->
</DIV>
<!-- PAGEBREAK -->
<P><HR noshade><P>
<H5 align="left" style="page-break-before:always"><A HREF="#toc">Table of Contents</A></H5><P>
<DIV style="font-family: 'Times New Roman',Times,serif">

<!-- link1 "SIGNATURES" -->
<DIV align="left"><A NAME="002"></A></DIV>
<DIV align="center" style="font-size: 10pt; margin-top: 10pt">SIGNATURES</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Chaska, State of Minnesota, on April&nbsp;9, 2009.</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="59%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">FSI INTERNATIONAL, INC.</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom"><!-- Blank Space -->
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">By
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; /s/ Donald S. Mitchell
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; Donald S. Mitchell
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD colspan="3" valign="top" align="left">Chairman and Chief Executive Officer</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
been signed on April&nbsp;9, 2009 by the following persons in the capacities indicated:</DIV>

<DIV align="left" style="margin-left: 2%">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="98%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="35%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="5%">&nbsp;</TD>
    <TD width="10%">&nbsp;</TD>
    <TD width="40%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top" align="center"><DIV style="margin-left:0px; text-indent:-0px">/s/ Donald S. Mitchell
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Donald S. Mitchell</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chairman and Chief Executive Officer*<br>
&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;(Principal Executive Officer)</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" align="center"><DIV style="margin-left:0px; text-indent:-0px">/s/ Patricia M. Hollister
<DIV style="font-size: 1pt; border-top: 1px solid #000000">&nbsp;</DIV>
Patricia M. Hollister</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Chief Financial Officer<br>
(Principal Financial and Accounting Officer)</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

<P><DIV style="position: relative; float: left; width: 30%">

<DIV align="left" style="font-size: 10pt; margin-top: 6pt">James A. Bernards<BR>
Terrence W. Glarner<BR>
Willem D. Maris<BR>
Donald S. Mitchell<BR>
David V. Smith</DIV>
</DIV>
<DIV style="position: relative; float: left; margin-left: 2%; width: 20%">

<DIV style="margin-top: 18pt">
<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%" style="font-size: 13pt">
<FONT style="font-family: symbol">&#252;</FONT><BR>
<div style="margin-top: -4pt"><FONT style="font-family: symbol">&#253;</FONT></DIV>
<div style="margin-top: -5pt"><FONT style="font-family: symbol">&#254;</FONT></DIV></TD>
    <TD width="1%">&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>
</TABLE>
</DIV>

</DIV>
<DIV style="position: relative; float: right; width: 40%">

<DIV align="left" style="font-size: 10pt; margin-top: 26pt">A Majority of the Board of Directors*</DIV>
</DIV>
<BR clear="all"><BR>

<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">*</TD>
    <TD>&nbsp;</TD>
    <TD>Patricia M. Hollister, by signing her name hereto, hereby signs this document on behalf of
each of the above-named officers or directors of FSI International, Inc. pursuant to powers of
attorney duly executed by those persons.</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="45%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="35%">&nbsp;</TD>
    <TD width="1%">&nbsp;</TD>
    <TD width="15%">&nbsp;</TD>
</TR>
<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">/s/ Patricia M. Hollister
</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR style="font-size: 1px">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top" style="border-top: 1px solid #000000">&nbsp;</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Patricia M. Hollister</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">&nbsp;
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Attorney-in-Fact</TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">&nbsp;</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>

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

<!-- link1 "INDEX TO EXHIBITS" -->
<DIV align="left"><A NAME="003"></A></DIV>

<DIV align="center" style="font-size: 10pt; margin-top: 10pt">INDEX TO EXHIBITS
</DIV>

<DIV align="center">
<TABLE style="font-size: 10pt" cellspacing="0" border="0" cellpadding="0" width="100%">
<!-- Begin Table Head -->
<TR valign="bottom">
    <TD width="3%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="65%">&nbsp;</TD>
    <TD width="3%">&nbsp;</TD>
    <TD width="25%">&nbsp;</TD>
</TR>
<TR style="font-size: 8pt" valign="bottom">
    <TD nowrap align="left" style="border-bottom: 1px solid #000000">Exhibit</TD>
    <TD>&nbsp;</TD>
    <TD nowrap align="center" style="border-bottom: 1px solid #000000">Description</TD>
    <TD>&nbsp;</TD>
    <TD>&nbsp;</TD>
</TR>

<!-- End Table Head -->
<!-- Begin Table Body -->
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">5
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Opinion of Faegre &#038; Benson LLP
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Filed Electronically</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of Faegre &#038; Benson LLP (included in Exhibit&nbsp;5)</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">&nbsp;</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">23.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Consent of KPMG LLP, Independent Registered Public
Accounting Firm
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Filed Electronically</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">24
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">Powers of Attorney of directors and officers
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Filed Electronically</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.1
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">FSI International, Inc. 2008 Omnibus Stock Plan, as
amended
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Filed Electronically</TD>
</TR>
<TR valign="bottom">
    <TD valign="top"><DIV style="margin-left:0px; text-indent:-0px">99.2
</DIV></TD>
    <TD>&nbsp;</TD>
    <TD align="left" valign="top">FSI International, Inc. Employees Stock Purchase
Plan, as amended and restated
</TD>
    <TD>&nbsp;</TD>
    <TD align="center" valign="top">Filed Electronically</TD>
</TR>
<!-- End Table Body -->
</TABLE>
</DIV>


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

</BODY>
</HTML>
[{"type": "S-8", "sequence": "1", "filename": "c50470sv8.htm", "description": "FORM S-8", "secsgml_size_bytes": 30176}]
{"company-data": {"conformed-name": "FSI INTERNATIONAL INC", "cik": "0000841692", "assigned-sic": "3559", "irs-number": "411223238", "state-of-incorporation": "MN", "fiscal-year-end": "0831"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-158517", "film-number": "09742923"}, "business-address": {"street1": "3455 LYMAN BLVD.", "city": "CHASKA", "state": "MN", "zip": "55318", "phone": "9524485440"}, "mail-address": {"street1": "3455 LYMAN BLVD.", "city": "CHASKA", "state": "MN", "zip": "55318"}}
S-8
Table of Contents
As filed with the Securities and Exchange Commission on
Registration No. 333-___
UNITED STATES
SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549
FORM S-8
REGISTRATION STATEMENT
Under
the Securities Act of 1933
FSI International, Inc.
(Exact name of registrant as specified in its charter)
Minnesota
41-1223238
(State or other jurisdiction
of incorporation)
(IRS Employer
Identification No.)
3455 Lyman Boulevard
Chaska, Minnesota
55318
(Address of principal executive offices)
(Zip Code)
FSI INTERNATIONAL, INC. 2008 OMNIBUS STOCK PLAN
AND
FSI INTERNATIONAL, INC. EMPLOYEES STOCK PURCHASE PLAN
(Full title of the plans)
DONALD S. MITCHELL
CHAIRMAN AND CHIEF EXECUTIVE OFFICER
FSI INTERNATIONAL, INC.
3455 LYMAN BOULEVARD
CHASKA, MINNESOTA 55318
(Name and address of agent for service)
(952) 448-5440
(Telephone number, including area code, of agent for service)
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. (Check one):
Large accelerated filer
o
Accelerated filer
o
Non-accelerated filer
o
Smaller reporting company
þ
(Do not check if a smaller reporting company)
CALCULATION OF REGISTRATION FEE
Proposed
Proposed
Maximum
Maximum
Title of Securities
Amount to be
Offering Price Per
Aggregate
Amount of
to be Registered
Registered
(1)
Share
(2)
Offering Price
(2)
Registration Fee
Common Stock, no par value
1,500,000 Shares
$
0.36
$
540,000
$
30.13
(1)
This Registration Statement relates to an additional 500,000 shares of Common Stock
to be offered under the registrant's 2008 Omnibus Stock Plan, for which 1,000,000 shares were
registered under Registration Statement on Form S-8 No. 333-149852. This Registration
Statement also relates to an additional 1,000,000 shares of Common Stock to be offered under
the registrant's Employees Stock Purchase Plan, for which 3,300,000 shares were registered
under Registration Statements on Form S-8 (Nos. 33-33647, 33-39920, 33-46296, 33-77852,
333-19677, 333-50991, 333-96275, 333-61164, 333-104088, 333-113735, 333-122729 and
333-149852).
(2)
Estimated solely for the purpose of calculating the registration fee under Rules
457(c) and (h)(1) under the Securities Act of 1933, based on the average of the high and low
sale prices per share of the registrant's Common Stock on April 7, 2009 as reported on the
Nasdaq Global Market.
TABLE OF CONTENTS
PART II-INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8. Exhibits
SIGNATURES
INDEX TO EXHIBITS
EX-5
EX-23.2
EX-24
EX-99.1
EX-99.2
Table of Contents
EXPLANATORY NOTE
This Registration Statement on Form S-8 is being filed for the purpose of registering an additional
500,000 shares of the registrant's Common Stock to be issued pursuant to the registrant's 2008
Omnibus Stock Plan. This Registration Statement also relates to the registration of an additional
1,000,000 shares of the registrant's Common Stock to be issued pursuant to the registrant's
Employees Stock Purchase Plan. In accordance with Section E of the General Instructions to Form
S-8, the following Registration Statements on Form S-8 relating to the 2008 Omnibus Stock Plan and
the Employees Stock Purchase Plan previously filed with the Securities and Exchange Commission (the
"SEC") are incorporated into this Registration Statement by reference to the registrant's
Registration Statements on Form S-8 (Nos. 33-33647, 33-39920, 33-46296, 33-77852, 333-19677,
333-30675, 333-50991, 333-96275, 333-61164, 333-104088, 333-113735, 333-122729 and 333-149852).
PART II-INFORMATION REQUIRED IN THE REGISTRATION STATEMENT
Item 8. Exhibits
Exhibit
Description
5
Opinion of Faegre & Benson LLP.
23.1
Consent of Faegre & Benson LLP (included in Exhibit 5).
23.2
Consent of KPMG LLP, Independent Registered Public Accounting Firm.
24
Powers of Attorney of directors and officers.
99.1
FSI International, Inc. 2008 Omnibus Stock Plan, as amended.
99.2
FSI International, Inc. Employees Stock Purchase Plan, as amended
and restated.
2
Table of Contents
SIGNATURES
Pursuant to the requirements of the Securities Act of 1933, the registrant certifies that it
has reasonable grounds to believe that it meets all of the requirements for filing on Form S-8 and
has duly caused this Registration Statement to be signed on its behalf by the undersigned,
thereunto duly authorized, in the City of Chaska, State of Minnesota, on April 9, 2009.
FSI INTERNATIONAL, INC.
By
/s/ Donald S. Mitchell
Donald S. Mitchell
Chairman and Chief Executive Officer
Pursuant to the requirements of the Securities Act of 1933, this Registration Statement has
been signed on April 9, 2009 by the following persons in the capacities indicated:
/s/ Donald S. Mitchell
Donald S. Mitchell
Chairman and Chief Executive Officer*
(Principal Executive Officer)
/s/ Patricia M. Hollister
Patricia M. Hollister
Chief Financial Officer
(Principal Financial and Accounting Officer)
James A. Bernards
Terrence W. Glarner
Willem D. Maris
Donald S. Mitchell
David V. Smith
ü
ý
þ
A Majority of the Board of Directors*
*
Patricia M. Hollister, by signing her name hereto, hereby signs this document on behalf of
each of the above-named officers or directors of FSI International, Inc. pursuant to powers of
attorney duly executed by those persons.
/s/ Patricia M. Hollister
Patricia M. Hollister
Attorney-in-Fact
3
Table of Contents
INDEX TO EXHIBITS
Exhibit
Description
5
Opinion of Faegre & Benson LLP
Filed Electronically
23.1
Consent of Faegre & Benson LLP (included in Exhibit 5)
23.2
Consent of KPMG LLP, Independent Registered Public
Accounting Firm
Filed Electronically
24
Powers of Attorney of directors and officers
Filed Electronically
99.1
FSI International, Inc. 2008 Omnibus Stock Plan, as
amended
Filed Electronically
99.2
FSI International, Inc. Employees Stock Purchase
Plan, as amended and restated
Filed Electronically
4