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Proc-Type: 2001,MIC-CLEAR
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<SEC-DOCUMENT>0001292814-08-002639.txt : 20080929
<SEC-HEADER>0001292814-08-002639.hdr.sgml : 20080929
<ACCEPTANCE-DATETIME>20080929095851
ACCESSION NUMBER:		0001292814-08-002639
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20080930
FILED AS OF DATE:		20080929
DATE AS OF CHANGE:		20080929

FILER:

	COMPANY DATA:	
		COMPANY CONFORMED NAME:			NATIONAL STEEL CO
		CENTRAL INDEX KEY:			0001049659
		STANDARD INDUSTRIAL CLASSIFICATION:	STEEL WORKS, BLAST FURNACES & ROLLING & FINISHING MILLS [3310]
		IRS NUMBER:				000000000
		FISCAL YEAR END:			1231

	FILING VALUES:
		FORM TYPE:		6-K
		SEC ACT:		1934 Act
		SEC FILE NUMBER:	001-14732
		FILM NUMBER:		081092649

	BUSINESS ADDRESS:	
		STREET 1:		RUA LAURO MULLER
		STREET 2:		116 36 ANDAR
		CITY:			RIO DE JANEIRO RJ BR
		STATE:			D5
		ZIP:			00000
</SEC-HEADER>
<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>sid20080929_6k1.htm
<DESCRIPTION>NOTICE TO THE MARKET
<TEXT>
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   <TITLE>Provided By MZ Data Products</TITLE>

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<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>Washington, D.C. 20549 </B></FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<HR align=center NOSHADE WIDTH="21%" COLOR="#000000">
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B>FORM 6-K </B></FONT></DIV>
<DIV><FONT
SIZE="1">&nbsp;</FONT></DIV
><DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"
COLOR="#000000">Report of Foreign Private Issuer<BR>
  Pursuant to Rule 13a-16 or 15d-16 of the</FONT></DIV>
<DIV
ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000">Securities Exchange Act of 1934</FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center">
  <div><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B> For the month of September, 2008</B></FONT></DIV>
  <p></p>
  <FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B> Commission File Number 1-14732 </B></FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<HR align=center NOSHADE WIDTH="21%" COLOR="#000000">
<DIV><FONT
SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B> COMPANHIA SIDER&#218;RGICA NACIONAL </B></FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Exact name of registrant as specified in its charter) </FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center"> </DIV>
<P></P>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="5" COLOR="#000000"><B> National Steel Company </B></FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Translation of Registrant's name into English)</FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<P></P>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B> Av. Brigadeiro Faria Lima 3400, 20&#186; andar<BR>
  S&#227;o Paulo, SP, Brazil<BR>
  04538-132 </B></FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">(Address of principal executive office)</FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<P>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"> Indicate by check mark whether the registrant files or will file annual reports<BR>
  under cover Form 20-F or Form 40-F.&nbsp;</FONT>
    <P></P>
    Form 20-F ___X___ Form 40-F _______
    <P>&nbsp;<FONT FACE="Times New Roman, Times, Serif" SIZE=3>Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. </FONT>&nbsp;</P>
    Yes _______ No ___X____
    <p></p>
    <hr size="2" noshade color="#000000" align="left">
</DIV>
<H5 align="left" style="page-break-before:always"></H5>
<A name="page_1"></A>

<P align="center">
<B>NOTICE TO THE MARKET <br>
</B>COMPANHIA SIDER&#218;RGICA NACIONAL <br>
Rua S&#227;o Jos&#233; n&#176; 20, Grupo 1602, parte <br>
Rio de Janeiro/RJ <br>
Corporate Taxpayer's ID (CNPJ/MF): 33.042.730/0001-04 </P>
<P align="justify">
The Board of Directors of COMPANHIA SIDER&#218;RGICA NACIONAL authorized, on the present date, the reopening of the Company&#146;s share buyback program (&#147;Share Buyback Program&#148;), which will be held in treasury for subsequent sale or
cancellation. </P>
<P align="justify">
The Share Buyback Program shall respect the following limits and conditions, pursuant to the provisions of CVM Instructions 10/80 and 358/2002: </P>
<TABLE border=0 width=100% cellspacing=0 cellpadding=0 style="font-family: 'Times New Roman, Times, Serif'; font-size:11px">
<TR>
	<TD width="5%" align=right valign=top>
I.&nbsp; &nbsp; &nbsp;</TD>
	<TD>
      <div align="justify"><B>The Company&#146;s objective: </B>to maximize the creation of value to shareholders through efficient capital structure management.	</div></TD>
</TR>
<TR><TD colspan=2>&nbsp;&nbsp;</TD>
</TR><TR>
	<TD width="5%" align=right valign=top>
II.&nbsp; &nbsp; &nbsp;</TD>
	<TD>
      <div align="justify"><B>Number of shares to be acquired: </B>up to 10,800,000 shares.	</div></TD>
</TR>
<TR><TD colspan=2>&nbsp;&nbsp;</TD>
</TR><TR>
	<TD width="5%" align=right valign=top>
III.&nbsp; &nbsp; &nbsp;</TD>
	<TD>
      <div align="justify"><B>Effective period for performing authorized transactions: </B>from September 29, 2008 to October 29, 2008, inclusively.	</div></TD>
</TR>
<TR><TD colspan=2>&nbsp;&nbsp;</TD>
</TR><TR>
	<TD width="5%" align=right valign=top>
IV.&nbsp; &nbsp; &nbsp;</TD>
	<TD>
      <div align="justify"><B>Free float: </B>455,343,843 shares.	</div></TD>
</TR>
<TR><TD colspan=2>&nbsp;&nbsp;</TD>
</TR><TR>
	<TD width="5%" align=right valign=top>
V.&nbsp; &nbsp; &nbsp;</TD>
	<TD>
      <div align="justify"><B>Place of Acquisitions: </B>Stock Exchange	</div></TD>
</TR>
<TR><TD colspan=2>&nbsp;&nbsp;</TD>
</TR><TR>
	<TD width="5%" align=right valign=top>
VI.&nbsp; &nbsp; &nbsp; 	</TD>
	<TD>
      <div align="justify"><B>Maximum Share Price: s</B>hare acquisition price cannot exceed its trading price at the Stock Exchange.	</div></TD>
</TR>
<TR><TD colspan=2>&nbsp;&nbsp;&nbsp;</TD>
</TR><TR>
	<TD width="5%" align=right valign=top>
VII.&nbsp; &nbsp; &nbsp; 	</TD>
	<TD>
      <div align="justify"><B>Brokers: </B>Ita&#250; Corretora de Valores S.A., located at Av. Engenheiro Armando de Arruda Pereira, 707 -15&#176; andar- in the city of S&#227;o Paulo, UBS Pactual Corretora de Mercadorias Ltda., located at Av. Brigadeiro Faria Lima, 3729
  &#150; 10&#176; andar &#150; in the city of S&#227;o Paulo, Credit Suisse First Boston CTVM S.A., located at Av.
    Brigadeiro Faria Lima 3064 &#150; 13&#176; andar- in the city of S&#227;o Paulo, and Ita&#250; USA Securities Inc., located at 540 Madison Avenue - 23<sup>rd </sup>Floor- in New York city &#150; USA. </div></TD>
</TR>
<TR><TD colspan=2>&nbsp;&nbsp;&nbsp;&nbsp;</TD>
</TR>
<TR>
	<TD width="5%" align=right valign=top>
VIII.&nbsp; &nbsp; &nbsp;</TD>
	<TD>
      <div align="justify">The Board of Directors has entrusted the Company&#146;s Board of Executive Officers to take all necessary measures to implement this resolution, including the establishment of the most convenient date to start the share buyback. </div></TD>
</TR>
<TR><TD colspan=2>&nbsp;</TD></TR></TABLE>
<P align="center">
Rio de Janeiro, September 26, 2008. </P>
<P align="center">
<B>Companhia Sider&#250;rgica Nacional <br>
</B>Ot&#225;vio de Garcia Lazcano <br>
Investor Relations Executive Officer </P>
<H5 align="left" style="page-break-before:always"></H5>

<hr size="2" noshade color="#000000" align="left">
<p><FONT SIZE="1">&nbsp;</FONT></p>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"><B>SIGNATURE </B></FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="3"COLOR="#000000">Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized. </FONT></DIV>
<p></p>
<DIV STYLE="text-indent:4%"><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"> Date: September 29, 2008</FONT></DIV>
<p></p>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center">
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="50%" BORDER="0">
    <TR>
      <TD VALIGN="top" COLSPAN="3" WIDTH="50%"><DIV align=left><FONT FACE="Times New Roman" SIZE="3" COLOR="#000000"> COMPANHIA SIDER&#218;RGICA NACIONAL </FONT></DIV></TD>
    </TR>
    <TR>
      <TD HEIGHT="16"></TD>
    </TR>
    <TR>
      <TD VALIGN="top" WIDTH="5%"><DIV align=left><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></DIV></TD>
      <TD VALIGN="bottom" ALIGN="center" WIDTH="43%"><DIV ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000">/<SMALL>S</SMALL>/&nbsp;Benjamin Steinbruch </FONT></DIV>
          <HR NOSHADE SIZE=1 COLOR="#000000" ALIGN="left"></TD>
    </TR>
    <TR>
      <TD><FONT SIZE="1">&nbsp;</FONT></TD>
      <TD VALIGN="bottom" ALIGN="center" WIDTH="43%"><DIV ALIGN=left><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B> Benjamin Steinbruch
 </B></FONT></DIV>
          <DIV ALIGN=left><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Chief Executive Officer <br>
          <br>
      </B></FONT></DIV></TD>
    </TR>
  </TABLE>
</DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<P>&nbsp;</P>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center">
  <TABLE CELLSPACING="0" CELLPADDING="0" WIDTH="50%" BORDER="0">
    <TR>
      <TD VALIGN="top" COLSPAN="3" WIDTH="50%"><DIV align=left></DIV></TD>
    </TR>
    <TR>
      <TD HEIGHT="16"></TD>
    </TR>
    <TR>
      <TD VALIGN="top" WIDTH="5%"><DIV align=left><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000">By:</FONT></DIV></TD>
      <TD VALIGN="bottom" ALIGN="center" WIDTH="43%"><DIV ALIGN="center"><FONT
FACE="Times New Roman" SIZE="2" COLOR="#000000">/<SMALL>S</SMALL>/&nbsp;Ot&#225;vio de Garcia Lazcano </FONT></DIV>
          <HR NOSHADE SIZE=1 COLOR="#000000" ALIGN="left"></TD>
    </TR>
    <TR>
      <TD><FONT SIZE="1">&nbsp;</FONT></TD>
      <TD VALIGN="bottom" ALIGN="center" WIDTH="43%"><DIV ALIGN=left><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B> Ot&#225;vio de Garcia Lazcano
 </B></FONT></DIV>
          <DIV ALIGN=left><FONT FACE="Times New Roman" SIZE="2" COLOR="#000000"><B>Chief Financial Officer and  Investor Relations Officer<br>
          <br>
      </B></FONT></DIV></TD>
    </TR>
  </TABLE>
</DIV>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<P>&nbsp;</P>
<DIV><FONT SIZE="1">&nbsp;</FONT></DIV>
<DIV ALIGN="center"><FONT FACE="Times New Roman" SIZE="3"
COLOR="#000000"><B>FORWARD-LOOKING STATEMENTS </B></FONT></DIV>
<P align=justify><FONT FACE="Times New Roman, Times, Serif" SIZE=2> This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates of future economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or
























 results will actually occur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations. </FONT></P>
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