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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">UNITED
STATES</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">SECURITIES
AND EXCHANGE COMMISSION</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Washington,
D.C. 20549</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">FORM
S-8</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">REGISTRATION
STATEMENT UNDER THE SECURITIES ACT OF 1933</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">OLIN
CORPORATION</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Exact
name of registrant as specified in its charter)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 72pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; TEXT-DECORATION: underline">Virginia</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;</font>&#160;&#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">13-1872319</font></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; FONT-SIZE: 10pt">(State or other jurisdiction of
incorporation or
organization)</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;<font id="TAB2" style="LETTER-SPACING: 9pt">&#160;&#160;&#160;</font>&#160;&#160;&#160;&#160;<font style="DISPLAY: inline; FONT-SIZE: 10pt">(I.R.S. Employer Identification
No.)</font></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; TEXT-DECORATION: underline">190 Carondelet Plaza, Suite
1530, Clayton,
MO</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">63105</font></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Address
of Principal Executive
Offices)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;(Zip
Code)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">OLIN
CORPORATION CONTRIBUTING EMPLOYEE OWNERSHIP PLAN</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Full
title of the plan)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">G. H.
Pain</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Vice
President, General Counsel and Secretary</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Olin
Corporation</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">190
Carondelet Plaza, Suite 1530</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Clayton,
Missouri&#160;&#160;63105</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Name and
address of agent for service)</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">314-480-1400</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(Telephone
number, including area code, of agent for service)</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Indicate
by check mark whether the registrant is a large accelerated filer, an
accelerated filer, or a smaller reporting company.&#160;&#160;See the
definitions of &#8220;large accelerated filer,&#8221; &#8220;accelerated filer&#8221; and &#8220;smaller
reporting company&#8221; in Rule 12b-2 of the Exchange Act.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Large
accelerated
filer&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;[x]&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Accelerated
filer&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;[&#160;&#160;]</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Non-accelerated
filer&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;
[&#160;&#160;]&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Smaller
reporting
company&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;[&#160;&#160;]</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">CALCULATION
OF REGISTRATION FEE</font></div>
    <div>
      <table cellpadding="0" cellspacing="0" width="100%">
          <tr>
            <td align="left" valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Title
      of securities to be registered</font></div>
            </td>
            <td align="left" valign="top" width="17%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Amount
      to be registered</font></div>
            </td>
            <td align="left" valign="top" width="21%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Proposed
      maximum offering price per share (2)</font></div>
            </td>
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Proposed
      maximum aggregate offering price (2)</font></div>
            </td>
            <td align="left" valign="top" width="17%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Amount
      of registration fee</font></div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="25%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Common
      Stock (par value $1.00 per share)</font></div>
            </td>
            <td align="left" valign="top" width="17%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">3,000,000(1)</font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
            <td align="left" valign="top" width="21%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">$27.09</font></div>
            </td>
            <td align="left" valign="top" width="19%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">$81,270,000</font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
            <td align="left" valign="top" width="17%">
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">$3,194.00</font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(1)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;In
addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
Registration Statement shall also cover an indeterminate amount of interests to
be offered or sold pursuant to the Plan, as well as any additional shares of
Common Stock which become issuable under the Plan by reason of any stock
dividend or stock split or as the result of other anti-dilution provisions in
the Plan.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify">&#160;</div>
    <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(2)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;Estimated
solely for purposes of calculating the amount of the registration fee, pursuant
to Rule 457(c) and (h), based upon the average of the high and low prices
reported for the Common Stock on August 21, 2008, on the New York Stock Exchange
consolidated reporting system.</font></div><br>
    <div id="PGBRK" style="MARGIN-LEFT: 0pt; WIDTH: 100%; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt">
      <div id="FTR">
        <div id="GLFTR" style="WIDTH: 100%" align="left"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
      <div id="PN" style="PAGE-BREAK-AFTER: always">
        <div style="WIDTH: 100%; TEXT-ALIGN: center"><font style="DISPLAY: inline; FONT-SIZE: 8pt; FONT-FAMILY: Times New Roman">&#160;
</font></div>
        <div style="WIDTH: 100%; TEXT-ALIGN: center">
          <hr style="COLOR: black" noshade size="2">
        </div>
      </div>
      <div id="HDR">
        <div id="GLHDR" style="WIDTH: 100%" align="right"><font style="DISPLAY: inline; FONT-SIZE: 8pt; COLOR: #000000; FONT-FAMILY: Times New Roman">&#160;
</font></div>
      </div>
    </div><br>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Part
II</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">EXPLANATORY
NOTE</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>Olin Corporation (&#8220;Company&#8221;) has
prepared this Registration Statement (the &#8220;Registration Statement&#8221;) in
accordance with the requirements of Form S-8 under the Securities Act of 1933,
as amended (the &#8220;Securities Act&#8221;), to register an additional 3,000,000 shares of
Common Stock, which will be issued in accordance with our Contributing Employee
Ownership Plan (&#8220;Plan&#8221;).</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">INCORPORATION
OF CONTENTS OF REGISTRATION</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">STATEMENT
BY REFERENCE</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>The Company filed a registration
statement on Form S-8 (File No. 333-127112) with the Securities and Exchange
Commission (&#8220;SEC&#8221;) covering the registration of 3,000,000 shares for issuance
under the Plan.&#160;&#160;Pursuant to General Instruction E of Form S-8 and
Rule 429, this Registration Statement is being filed to register an additional
3,000,000 shares pursuant to the Plan.&#160;&#160;The contents of the prior
registration statement (File No. 333-127112) are incorporated herein by
reference.</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Item
3.&#160;&#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">INCORPORATION OF DOCUMENTS
BY REFERENCE</font></font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>We incorporate by reference the
documents listed below which were filed with the SEC under the Securities
Exchange Act of 1934:</font></div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 72pt">
              <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(a)&#160;&#160;</font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Our
      Annual Report on Form 10-K for the fiscal year ended December 31,
      2007;</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 72pt">
              <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font size="+0"><font style="DISPLAY: inline">(b)</font>&#160;</font>&#160;</font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">The
      Plan&#8217;s Annual Report on Form 11-K for the fiscal year ended December 31,
      2007;</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 72pt">
              <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">(c)&#160;&#160;</font></div>
            </td>
            <td>
              <div style="MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">Our
      Quarterly Reports on Form 10-Q for the fiscal quarters ended March 31,
      2008 and June 30, 2008;</font></div>
            </td>
          </tr>
      </table>
    </div>
    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div>
    <div>
      <table cellpadding="0" cellspacing="0" id="list" width="100%">
          <tr valign="top">
            <td align="right" style="WIDTH: 72pt">
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and</font></div>
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      descriptions of our Common Stock contained in Amendment No. 3 to Olin&#8217;s
      Registration Statement on Form S-4 filed on August 14, 2002 (Registration
      No. 333-88990).</font></div>
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incorporate by reference each of the following documents that we will file with
the SEC after the date of this registration statement until this offering is
completed, which documents shall be deemed to be incorporated herein from the
date of filing of such documents:</font></div>
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      Exchange Act of 1934 in connection with any subsequent stockholders&#8217;
      meeting; and</font></div>
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              <div align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">any
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8.&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">EXHIBITS</font></font></div>
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Statement are listed in the Exhibit Index to this Registration Statement, which
Index is incorporated herein by reference.</font></div>
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    <div style="DISPLAY: block; TEXT-INDENT: 0pt"><br></div><br>
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</font></div>
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</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 36pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font style="DISPLAY: inline; TEXT-DECORATION: underline">Registrant.</font>&#160;&#160;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
Clayton, State of Missouri, on August 25, 2008.</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 252pt"></font>OLIN CORPORATION</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 252pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman">By:&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;<font style="DISPLAY: inline; TEXT-DECORATION: underline">/s/ G. H.
Pain</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;</font></div>
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General</font></div>
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and Secretary</font></div>
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ATTORNEY</font></div>
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    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="justify"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 36pt"></font>We the undersigned officers and
directors of Olin Corporation, hereby severally constitute and appoint George H.
Pain, John E. Fischer and Dennis R. McGough, and each of them singly, our true
and lawful attorneys-in-fact, with full power to them in any and all capacities,
to sign any and all amendments to this Registration Statement on Form S-8
(including any post-effective amendments thereto), and to file the same, with
exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, hereby ratifying and confirming all that
each of said attorneys-in-fact may do or cause to be done by virtue
hereof.</font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left">&#160;</div>
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to the requirements of the Securities Act of 1933, this Registration Statement
has been signed below by the following persons in the capacities and on the date
indicated.</font></div>
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            <td valign="top" width="29%" style="BORDER-BOTTOM: black 2px solid">
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          <tr>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
            <td align="left" valign="top" width="31%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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      Officer)</font></div>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">August
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          </tr>
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            <td align="left" valign="top" width="29%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">August
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="29%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
            <td align="left" valign="top" width="31%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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            <td valign="top" width="27%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">August
      25, 2008</font></div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="29%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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            <td align="left" valign="top" width="31%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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            </td>
            <td valign="top" width="27%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">August
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
            </td>
          </tr>
          <tr>
            <td align="left" valign="top" width="29%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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            <td align="left" valign="top" width="31%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 9pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">Director</font></div>
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            <td valign="top" width="27%">
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
              <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="center"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">August
      25, 2008</font></div>
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            </td>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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            </td>
          </tr>
          <tr>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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              <div style="DISPLAY: block; TEXT-INDENT: 0pt">&#160;</div>
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to the requirements of the Securities Act of 1933, the Olin Corporation
Contributing Employee Ownership Plan has duly caused this Registration Statement
to be signed on its behalf by the undersigned, thereunto duly authorized in the
City of Clayton, State of Missouri, on this 25th day of August,
2008.</font></div>
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CONTRIBUTING</font></div>
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McGough</font></font></div>
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Lockwood</font></font></div>
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DeRosa</font></font></div>
    <div style="DISPLAY: block; MARGIN-LEFT: 0pt; TEXT-INDENT: 0pt; MARGIN-RIGHT: 0pt" align="left"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: Times New Roman"><font id="TAB1" style="MARGIN-LEFT: 180pt"></font>Mary Ann T. DeRosa</font></div>
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INDEX</font></div>
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EXHIBIT&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;DESCRIPTION</font></div>
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            <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;Opinion
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          <tr valign="top">
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            <td style="WIDTH: 90pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
            <td><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
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            <td style="WIDTH: 18pt">
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      of KPMG LLP</font></div>
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          </tr>
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            <td style="WIDTH: 18pt">
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            <td style="WIDTH: 18pt">
              <div><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;
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      of Amper, Politziner &amp; Mattia, LLP</font></div>
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            <td style="WIDTH: 90pt"><font style="DISPLAY: inline; FONT-SIZE: 10pt; FONT-FAMILY: times new roman">&#160;</font></td>
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{"company-data": {"conformed-name": "OLIN CORP", "cik": "0000074303", "assigned-sic": "2800", "irs-number": "131872319", "state-of-incorporation": "VA", "fiscal-year-end": "1231"}, "filing-values": {"form-type": "S-8", "act": "33", "file-number": "333-153183", "film-number": "081037702"}, "business-address": {"street1": "OLIN CORP", "street2": "190 CARONDELET PLAZA SUITE 1530", "city": "CLAYTON", "state": "MO", "zip": "63105", "phone": "3144801400"}, "mail-address": {"street1": "OLIN CORP", "street2": "190 CARONDELET PLAZA SUITE 1530", "city": "CLAYTON", "state": "MO", "zip": "63105"}, "former-company": {"former-conformed-name": "OLIN MATHIESON CHEMICAL CORP", "date-changed": "19691008"}}
forms8ceopaug2008.htm
UNITED
STATES
SECURITIES
AND EXCHANGE COMMISSION
Washington,
D.C. 20549
FORM
S-8
REGISTRATION
STATEMENT UNDER THE SECURITIES ACT OF 1933
OLIN
CORPORATION
(Exact
name of registrant as specified in its charter)
Virginia
13-1872319
(State or other jurisdiction of
incorporation or
organization)
(I.R.S. Employer Identification
No.)
190 Carondelet Plaza, Suite
1530, Clayton,
MO
63105
(Address
of Principal Executive
Offices)                                                                                                                        (Zip
Code)
OLIN
CORPORATION CONTRIBUTING EMPLOYEE OWNERSHIP PLAN
(Full
title of the plan)
G. H.
Pain
Vice
President, General Counsel and Secretary
Olin
Corporation
190
Carondelet Plaza, Suite 1530
Clayton,
Missouri  63105
(Name and
address of agent for service)
314-480-1400
(Telephone
number, including area code, of agent for service)
Indicate
by check mark whether the registrant is a large accelerated filer, an
accelerated filer, or a smaller reporting company.  See the
definitions of "large accelerated filer," "accelerated filer" and "smaller
reporting company" in Rule 12b-2 of the Exchange Act.
Large
accelerated
filer                                                      [x]                      Accelerated
filer                                           [  ]
Non-accelerated
filer                                                       
[  ]                      Smaller
reporting
company                        [  ]
CALCULATION
OF REGISTRATION FEE
Title
      of securities to be registered
Amount
      to be registered
Proposed
      maximum offering price per share (2)
Proposed
      maximum aggregate offering price (2)
Amount
      of registration fee
Common
      Stock (par value $1.00 per share)
3,000,000(1)
$27.09
$81,270,000
$3,194.00
(1)           In
addition, pursuant to Rule 416(c) under the Securities Act of 1933, this
Registration Statement shall also cover an indeterminate amount of interests to
be offered or sold pursuant to the Plan, as well as any additional shares of
Common Stock which become issuable under the Plan by reason of any stock
dividend or stock split or as the result of other anti-dilution provisions in
the Plan.
(2)           Estimated
solely for purposes of calculating the amount of the registration fee, pursuant
to Rule 457(c) and (h), based upon the average of the high and low prices
reported for the Common Stock on August 21, 2008, on the New York Stock Exchange
consolidated reporting system.
Part
II
INFORMATION
REQUIRED IN THE REGISTRATION STATEMENT
EXPLANATORY
NOTE
Olin Corporation ("Company") has
prepared this Registration Statement (the "Registration Statement") in
accordance with the requirements of Form S-8 under the Securities Act of 1933,
as amended (the "Securities Act"), to register an additional 3,000,000 shares of
Common Stock, which will be issued in accordance with our Contributing Employee
Ownership Plan ("Plan").
INCORPORATION
OF CONTENTS OF REGISTRATION
STATEMENT
BY REFERENCE
The Company filed a registration
statement on Form S-8 (File No. 333-127112) with the Securities and Exchange
Commission ("SEC") covering the registration of 3,000,000 shares for issuance
under the Plan.  Pursuant to General Instruction E of Form S-8 and
Rule 429, this Registration Statement is being filed to register an additional
3,000,000 shares pursuant to the Plan.  The contents of the prior
registration statement (File No. 333-127112) are incorporated herein by
reference.
Item
3.
INCORPORATION OF DOCUMENTS
BY REFERENCE
We incorporate by reference the
documents listed below which were filed with the SEC under the Securities
Exchange Act of 1934:
(a)
Our
      Annual Report on Form 10-K for the fiscal year ended December 31,
      2007;
(b)
The
      Plan's Annual Report on Form 11-K for the fiscal year ended December 31,
      2007;
(c)
Our
      Quarterly Reports on Form 10-Q for the fiscal quarters ended March 31,
      2008 and June 30, 2008;
(d)
Our
      Current Reports on Form 8-K filed on February 25, 2008, June 27, 2008,
      July 25, 2008, and July 28, 2008;
and
(e)
The
      descriptions of our Common Stock contained in Amendment No. 3 to Olin's
      Registration Statement on Form S-4 filed on August 14, 2002 (Registration
      No. 333-88990).
We also
incorporate by reference each of the following documents that we will file with
the SEC after the date of this registration statement until this offering is
completed, which documents shall be deemed to be incorporated herein from the
date of filing of such documents:
─
reports
      filed under Section 13(a) and (c) of the Securities Exchange Act of
      1934;
─
definitive
      proxy or information statements filed under Section 14 of the Securities
      Exchange Act of 1934 in connection with any subsequent stockholders'
      meeting; and
─
any
      reports filed under Section 15(d) of the Securities Exchange Act of
      1934.
Item
8.
EXHIBITS
The Exhibits to this Registration
Statement are listed in the Exhibit Index to this Registration Statement, which
Index is incorporated herein by reference.
SIGNATURES
Registrant.
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
Clayton, State of Missouri, on August 25, 2008.
OLIN CORPORATION
By:
/s/ G. H.
Pain
G. H. Pain, Vice President,
General
Counsel
and Secretary
POWER OF
ATTORNEY
We the undersigned officers and
directors of Olin Corporation, hereby severally constitute and appoint George H.
Pain, John E. Fischer and Dennis R. McGough, and each of them singly, our true
and lawful attorneys-in-fact, with full power to them in any and all capacities,
to sign any and all amendments to this Registration Statement on Form S-8
(including any post-effective amendments thereto), and to file the same, with
exhibits thereto and other documents in connection therewith, with the
Securities and Exchange Commission, hereby ratifying and confirming all that
each of said attorneys-in-fact may do or cause to be done by virtue
hereof.
Pursuant
to the requirements of the Securities Act of 1933, this Registration Statement
has been signed below by the following persons in the capacities and on the date
indicated.
Signature
Title
Date
/s/ Joseph D.
      Rupp
Joseph
      D. Rupp
Chairman,
      President, Chief Executive Officer and Director
(Principal
      Executive Officer)
August
      25, 2008
/s/ John E.
      Fischer
John
      E. Fischer
Vice
      President and Chief Financial Officer (Principal Financial
      Officer)
August
      25, 2008
/s/ Todd A.
      Slater
Todd
      A. Slater
Vice
      President and Controller (Principal Accounting Officer)
August
      25, 2008
/s/ Donald W.
      Bogus
Donald
      W. Bogus
Director
August
      25, 2008
/s/ C. Robert
      Bunch
C.
      Robert Bunch
Director
August
      25, 2008
/s/
      Randall W. Larrimore
Randall
      W. Larrimore
Director
August
      25, 2008
/s/ John M.B.
      O'Connor
John
      M.B. O'Connor
Director
August
      25, 2008
/s/ Richard M.
      Rompala
Richard
      M. Rompala
Director
August
      25, 2008
/s/ Philip J.
      Schulz
Philip
      J. Schulz
Director
August
      25, 2008
/s/ Vince J.
      Smith
Vince
      J. Smith
Director
August
      25, 2008
Plan.
Pursuant
to the requirements of the Securities Act of 1933, the Olin Corporation
Contributing Employee Ownership Plan has duly caused this Registration Statement
to be signed on its behalf by the undersigned, thereunto duly authorized in the
City of Clayton, State of Missouri, on this 25th day of August,
2008.
OLIN CORPORATION
CONTRIBUTING
EMPLOYEE OWNERSHIP PLAN
By the Pension and CEOP Administrative
Committee
/s/ Dennis R.
McGough
Dennis R. McGough
/s/ Sharon E.
Doughty
Sharon E. Doughty
/s/ Denise C.
Lockwood
Denise C. Lockwood
/s/ Mary Ann T.
DeRosa
Mary Ann T. DeRosa
EXHIBIT
INDEX
EXHIBIT                           DESCRIPTION
5
Opinion
      of Counsel
23.1
Consent
      of KPMG LLP
23.2
Consent
      of Ernst & Young LLP
23.3
Consent
      of Amper, Politziner & Mattia, LLP
23.4
Consent
      of Counsel (contained in Exhibit 5)
24
Power
      of Attorney (included on signature page)