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<SEC-DOCUMENT>0001292814-10-000779.txt : 20100326
<SEC-HEADER>0001292814-10-000779.hdr.sgml : 20100326
<ACCEPTANCE-DATETIME>20100325200624
ACCESSION NUMBER:		0001292814-10-000779
CONFORMED SUBMISSION TYPE:	6-K
PUBLIC DOCUMENT COUNT:		1
CONFORMED PERIOD OF REPORT:	20100331
FILED AS OF DATE:		20100326
DATE AS OF CHANGE:		20100325

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:		10705690

	BUSINESS ADDRESS:	
		STREET 1:		RUA LAURO MULLER
		STREET 2:		116 36 ANDAR
		CITY:			RIO DE JANEIRO RJ BR
		STATE:			D5
		ZIP:			00000
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<DOCUMENT>
<TYPE>6-K
<SEQUENCE>1
<FILENAME>sid20100325_6k2.htm
<DESCRIPTION>NOTICE TO THE MARKET
<TEXT>

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<DIV align=center><FONT color=#000000 size=5 face="Times New Roman"><B>SECURITIES AND EXCHANGE COMMISSION </B></FONT></DIV>
<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>Washington, D.C. 20549 </B></FONT></DIV>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>
<DIV align=center><FONT color=#000000 size=5 face="Times New Roman"><B>FORM 6-K </B></FONT></DIV>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
<DIV align=center><FONT color=#000000 size=3 face="Times New Roman">Report of Foreign Private Issuer<BR>
Pursuant to Rule 13a-16 or 15d-16 of the</FONT></DIV>
<DIV align=center><FONT color=#000000 size=3 face="Times New Roman">Securities Exchange Act of 1934</FONT></DIV>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
<DIV align=center>
<DIV><FONT color=#000000 size=3 face="Times New Roman"><B>For the month of March, 2010</B></FONT></DIV>
<P></P>
<FONT color=#000000 size=3 face="Times New Roman"><B>Commission File Number 1-14732 </B></FONT></DIV>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>
<DIV align=center><FONT color=#000000 size=5 face="Times New Roman"><B>COMPANHIA SIDER&#218;RGICA NACIONAL </B></FONT></DIV>
<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">(Exact name of registrant as specified in its charter) </FONT></DIV>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
<DIV align=center></DIV>
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<DIV align=center><FONT color=#000000 size=5 face="Times New Roman"><B>National Steel Company </B></FONT></DIV>
<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">(Translation of Registrant's name into English)</FONT></DIV>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
<P></P>
<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><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 color=#000000 size=2 face="Times New Roman">(Address of principal executive office)</FONT></DIV>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
<DIV align=center><FONT color=#000000 size=3 face="Times New Roman">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 size=3 face="Times New Roman, Times, Serif">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____
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<P style="MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 10pt" lang=EN-US face="Times New Roman,serif"></FONT>&nbsp;</P>
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<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt"><B><FONT style="FONT-SIZE: 12pt" lang=EN-US color=windowtext face="Times New Roman,serif"></FONT></B>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt"><B><FONT style="FONT-SIZE: 11pt" lang=EN-US color=windowtext face="Times New Roman,serif">NOTICE TO THE MARKET </FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt"><B><FONT style="LAYOUT-GRID-MODE: line; FONT-SIZE: 11pt" lang=PT-BR color=windowtext face="Times New Roman,serif">COMPANHIA SIDER&#218;RGICA NACIONAL</FONT></B></P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt"><FONT style="LAYOUT-GRID-MODE: line; FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=PT-BR color=windowtext face="Times New Roman,serif">Rua S&#227;o Jos&#233;, 20, Grupo 1602, parte</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt"><FONT style="LAYOUT-GRID-MODE: line; FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=PT-BR color=windowtext face="Times New Roman,serif">Rio de Janeiro/RJ</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt"><FONT style="LAYOUT-GRID-MODE: line; FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=PT-BR color=windowtext face="Times New Roman,serif">Corporate Taxpayer&#146;s ID (CNPJ/MF): 33.042.730/0001-04</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><B><FONT style="FONT-SIZE: 11pt" lang=EN-US color=windowtext face="Times New Roman,serif">COMPANHIA SIDER&#218;RGICA NACIONAL</FONT></B> <B><FONT style="FONT-SIZE: 11pt" lang=EN-US color=windowtext face="Times New Roman,serif">(&#147;CSN&#148;), </FONT></B><FONT style="FONT-SIZE: 11pt" lang=EN-US color=windowtext face="Times New Roman,serif">pursuant to CVM Instruction 358, as of January 3, 2002; Law 6,404, as of December 15, 1976 and other rules applicable to capital markets, hereby informs the Brazilian Securities and Exchange Commission (&#147;CVM&#148;), the S&#227;o Paulo Stock Exchange (&#147;BOVESPA&#148;) and the public the following:</FONT></P>
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<P style="TEXT-ALIGN: justify; TEXT-INDENT: -36pt; MARGIN: 0cm 0cm 0pt 36.85pt"><FONT style="FONT-SIZE: 11pt" lang=EN-US color=windowtext face="Times New Roman,serif">I.</FONT><FONT style="FONT-SIZE: 11pt" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt" lang=EN-US color=windowtext face="Times New Roman,serif">The split of shares representing the Company&#146;s capital stock was approved by the Extraordinary Shareholders&#146; Meeting held on the date hereof, by means of which each share in capital stock will be represented by 2 (two) shares.</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt 36.85pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt 35.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">As for the shares traded at BOVESPA, the depositary institution, Ita&#250; Corretora de Valores S.A. (&#147;Ita&#250;&#148;), shall take all measures to automatically distribute the new shares to the Company&#146;s shareholders, according to the following schedule:</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">-</FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">For shareholders holding ownership interest until March 25, 2010 inclusive, each of CSN&#146;s shares traded at BOVESPA shall be split into 2 (two) shares, or in other words, the shareholder shall receive 1 (one) new share for &nbsp;each share held, holding, after the split, 2 (two) shares;</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">-</FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">As of March 26, 2010, the shares will be traded ex-split rights (ex-date);</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">-</FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">On March 31, 2010, Ita&#250; will distribute shares arising from such split at the ratio of 2 (two) new shares for each existing share.</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt 35.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">As for the American Depositary Receipts</FONT> <FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">(&#147;ADRs&#148;) traded in the New York Stock Exchange (&#147;NYSE&#148;), the depositary institution, JP Morgan Chase Bank (&#147;JP Morgan&#148;), shall issue new ADRs and distribute them to the shareholders, as per Schedule applied in the United States of America (&#147;U.S.A.&#148;):</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">-</FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">As of March 30, 2010 (record date), the holders of CSN&#146;s ADRs at the NYSE shall be entitled to the new ADRs, at the ratio of 1 (one) additional ADR to each ADR already held;</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">-</FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">On April 6, 2010, the additional ADR to each existing ADR shall be distributed to CSN investors at NYSE (payment date);</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">-</FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">As of April 7, 2010, CSN&#146;s ADRs traded at NYSE shall be traded ex-split rights (ex-date);</FONT></P>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: justify; TEXT-INDENT: -18pt; MARGIN: 0cm 0cm 0pt 53.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">-</FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman">&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp;&nbsp; </FONT><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">From March 29, 2010 through April 9, 2010, JP Morgan Chase Bank&#146;s books will be closed for issuance and cancellation between the Brazilian and US Stock Exchanges (BOVESPA and NYSE). However, CSN&#146;s shares and ADRs will continue to be regularly traded on their respective markets.</FONT></P>
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<P style="MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
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<DIV>
<P style="MARGIN: 0cm 0cm 0pt"><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
</DIV>
<P style="TEXT-ALIGN: justify; MARGIN: 0cm 0cm 0pt 35.4pt"><FONT style="FONT-SIZE: 11pt; FONT-WEIGHT: normal" lang=EN-US color=windowtext face="Times New Roman,serif">The shares and ADRs arising from the split approved herein will be of the same type and shall confer their holders the same rights of previously existing shares and ADRs.</FONT></P>
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<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 11pt" lang=PT-BR color=windowtext face="Times New Roman,serif">Rio de Janeiro, March 25, 2010.</FONT></P>
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<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 11pt"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 11pt" lang=PT-BR color=windowtext face="Times New Roman,serif">Companhia Sider&#250;rgica Nacional</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 11pt" lang=PT-BR color=windowtext face="Times New Roman,serif">Paulo Penido Pinto Marques</FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 11pt" lang=PT-BR color=windowtext face="Times New Roman,serif">Investor Relations Executive Officer </FONT></P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 12pt" lang=PT-BR color=windowtext face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 12pt" lang=PT-BR color=windowtext face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="TEXT-ALIGN: center; MARGIN: 0cm 0cm 0pt" align=center><FONT style="FONT-SIZE: 12pt" lang=PT-BR color=windowtext face="Times New Roman,serif"></FONT>&nbsp;</P>
<P style="MARGIN: 0cm 0cm 0pt">&nbsp;</P>
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<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>SIGNATURE </B></FONT></DIV>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>
<DIV style="TEXT-INDENT: 4%"><FONT color=#000000 size=3 face="Times New Roman">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>
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<P><FONT color=#000000 size=3 face="Times New Roman">Date: March 25</FONT><FONT color=#000000 size=3 face="Times New Roman">, 2010</FONT></P>
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<DIV align=left><FONT color=#000000 size=3 face="Times New Roman">COMPANHIA SIDER&#218;RGICA NACIONAL </FONT></DIV></TD></TR>
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     <TD height=16 width="5%"></TD>
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<DIV align=left><FONT color=#000000 size=2 face="Times New Roman">By:</FONT></DIV></TD>
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<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">/<SMALL>S</SMALL>/&nbsp;Benjamin Steinbruch </FONT></DIV>
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<DIV align=left><FONT color=#000000 size=2 face="Times New Roman"><B>Benjamin Steinbruch </B></FONT></DIV>
<DIV align=left><FONT color=#000000 size=2 face="Times New Roman"><B>Chief Executive Officer <BR>
<BR>
</B></FONT></DIV></TD>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>
<P></P>
<P>&nbsp;</P>
<P></P>
<DIV><FONT size=1></FONT>&nbsp;</DIV>
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<DIV align=left><FONT color=#000000 size=2 face="Times New Roman">By:</FONT></DIV></TD>
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<DIV align=center><FONT color=#000000 size=2 face="Times New Roman">/<SMALL>S</SMALL>/&nbsp;Paulo Penido Pinto Marques </FONT></DIV>
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<DIV align=left><FONT color=#000000 size=2 face="Times New Roman"><B>Paulo Penido Pinto Marques </B></FONT></DIV>
<DIV align=left><FONT color=#000000 size=2 face="Times New Roman"><B>Chief Financial Officer and Investor Relations Officer<BR>
<BR>
</B></FONT></DIV></TD>
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<DIV><FONT size=1></FONT>&nbsp;</DIV>
<P></P>
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<DIV align=center><FONT color=#000000 size=3 face="Times New Roman"><B>FORWARD-LOOKING STATEMENTS </B></FONT></DIV>
<P></P>
<P align=justify><FONT size=2 face="Times New Roman, Times, Serif">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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