<SUBMISSION>
<ACCESSION-NUMBER>0001104659-06-044783
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>3
<PERIOD>20060629
<ITEMS>7.01
<ITEMS>9.01
<FILING-DATE>20060630
<DATE-OF-FILING-DATE-CHANGE>20060630
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>STEEL DYNAMICS INC
<CIK>0001022671
<ASSIGNED-SIC>3312
<IRS-NUMBER>351929476
<STATE-OF-INCORPORATION>IN
<FISCAL-YEAR-END>1204
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-21719
<FILM-NUMBER>06935705
</FILING-VALUES>
<BUSINESS-ADDRESS>
<STREET1>6714 POINTE INVERNESS WAY
<STREET2>SUITE 200
<CITY>FORT WAYNE
<STATE>IN
<ZIP>46804
<PHONE>2604593553
</BUSINESS-ADDRESS>
<MAIL-ADDRESS>
<STREET1>6714 POINTE INVERNESS WAY
<STREET2>SUITE 200
<CITY>FORT WAYNE
<STATE>IN
<ZIP>46804
</MAIL-ADDRESS>
</FILER>
<DOCUMENT>
<TYPE>8-K
<SEQUENCE>1
<FILENAME>a06-14751_18k.htm
<DESCRIPTION>CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
<TEXT>
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<body lang="EN-US">

<div style="font-family:Times New Roman;">
 <div style="border:none;border-top:double windowtext 6.0pt;padding:0pt 0pt 0pt 0pt;"> <p style="border:none;margin:0pt 0pt .0001pt;padding:0pt;"></p> </div>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">SECURITIES
AND EXCHANGE COMMISSION</font></b><b><font style="font-weight:bold;"><br>
WASHINGTON, DC&#160; 20549</font></b></p>

<div style="line-height:9.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM&nbsp;8-K</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">CURRENT
REPORT<br>
Pursuant to Section&nbsp;13 or 15(d)&nbsp;of the Securities Exchange Act of
1934</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="3" face="Times New Roman" style="font-size:12.0pt;">Date of Report
(date of earliest event reported): <b><font style="font-weight:bold;">June&nbsp;29, 2006</font></b></font></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">STEEL
DYNAMICS, INC.<br>
</font></b>(Exact name of registrant as specified in its charter)</p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="font-size:10.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font style="font-weight:bold;">Indiana</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.2%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">0-21719</font></b></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.2%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">35-1929476</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(State or other
  jurisdiction</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission File
  Number)</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(IRS Employer</font></p>
  </td>
 </tr>
 <tr>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">of
  incorporation)</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.2%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:31.2%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Identification
  No.)</font></p>
  </td>
 </tr>
</table>

</div>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p align="center" style="font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">6714
Pointe Inverness Way, Suite&nbsp;200, Fort Wayne, Indiana 46804<br>
</font></b>(Address of principal executive offices) (Zip Code)</p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Registrant&#146;s
telephone number, including area code:&#160; <b><font style="font-weight:bold;">260-459-3553<br><br></font></b></font></p>

<p align="center" style="font-size:10.0pt;margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Not
Applicable<br>
</font></b>(Former name or former address, if changed since last report)</p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Check the appropriate box
below if the Form&nbsp;8-K filing is intended to simultaneously satisfy
the filing obligation of the registrant under any of the following provisions:</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Written communications pursuant to Rule&nbsp;425
under the Securities Act (17 CFR 230.425)</p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Soliciting material pursuant to Rule&nbsp;14a-12
under the Exchange Act (17 CFR 240.14a-12)</p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Pre-commencement communications
pursuant to Rule&nbsp;14d-2(b)&nbsp;under the Exchange Act (17 CFR
240.14d-2(b))</p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Pre-commencement communications
pursuant to Rule&nbsp;13e-4(c)&nbsp;under the Exchange Act (17 CFR
240.13e-4(c))</p>

<p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>


 <div style="border:none;border-bottom:double windowtext 6.0pt;padding:0pt 0pt 0pt 0pt;"> <p style="border:none;margin:0pt 0pt .0001pt;padding:0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p> </div>
</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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<br clear="all" style="page-break-before:always;">

<div style="font-family:Times New Roman;">
 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 7.01.
Regulation FD Disclosure.</font></b></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On June&nbsp;29,
2006, Steel Dynamics,&nbsp;Inc. issued a press release entitled &#147;Steel Dynamics
Declares Second Quarter Regular and Continued Special Cash Dividend.&#148;&#160; The full text of the press release is
furnished herewith and attached hereto as Exhibit&nbsp;99.1.</font></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Item 9.01.
Financial Statements and Exhibits</font></b></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-indent:20.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">( c )&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Exhibits.</font></p>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse;">
 <tr>
  <td width="77" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:57.4pt;">
  <p align="left" style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:left;">Exhibit&nbsp;Number</p>
  </td>
  <td width="7" valign="top" style="padding:0pt .7pt 0pt 0pt;width:5.0pt;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="37" valign="top" style="padding:0pt .7pt 0pt 0pt;width:27.6pt;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:10.0pt;">
  <p style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><b><font size="1" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></b></p>
  </td>
  <td width="473" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:355.0pt;">
  <p align="left" style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:left;">Description</p>
  </td>
 </tr>
 <tr>
  <td width="120" colspan="3" valign="top" style="padding:0pt .7pt 0pt 0pt;width:90.0pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">99.1</font></p>
  </td>
  <td width="13" valign="top" style="padding:0pt .7pt 0pt 0pt;width:10.0pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="473" valign="top" style="padding:0pt .7pt 0pt 0pt;width:355.0pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">A press release dated June&nbsp;29, 2006 titled
  &#147;Steel Dynamics Declares Second Quarter<br>
  Regular and Continued Special Cash Dividend&#148;</font></p>
  </td>
 </tr>
</table>

</div>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">SIGNATURE</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">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 hereto duly
authorized.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="56%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:56.5%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"></p>
  </td>
  <td width="43%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.5%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">STEEL DYNAMICS, INC.</font></p>
  </td>
 </tr>
 <tr>
  <td width="56%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:56.5%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="43%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:43.5%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr>
  <td width="56%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:56.5%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date: June&nbsp;30, 2006</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="39%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:39.54%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Gary Heasley</font></p>
  </td>
 </tr>
 <tr>
  <td width="56%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:56.5%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="39%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:39.54%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Gary Heasley</font></p>
  </td>
 </tr>
 <tr>
  <td width="56%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:56.5%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:3.96%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="39%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:39.54%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title: Vice President&nbsp;&amp; Chief Financial
  Officer</font></p>
  </td>
 </tr>
</table>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

<p style="line-height:1.0pt;margin:0pt 0pt 12.0pt;"><font size="1" face="Times New Roman">&nbsp;</font></p>

</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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</TEXT>
</DOCUMENT>
<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a06-14751_1ex99d1.htm
<DESCRIPTION>EX-99
<TEXT>
<html>

<head>






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<body lang="EN-US">

<div style="font-family:Times New Roman;">
 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>

<p align="right" style="margin:0pt 0pt 12.0pt;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit&nbsp;99.1</font></b></p>

<p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr height="30" style="height:22.5pt;">
  <td width="50%" height="30" valign="bottom" style="height:22.5pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p style="font-size:10.0pt;margin:12.0pt 0pt .0001pt;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">Press Release</font></b></p>
  </td>
  <td width="46%" height="30" valign="bottom" style="height:22.5pt;padding:0pt .7pt 0pt 0pt;width:46.28%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman"><img width="167" height="34" src="g147511kai001.jpg"></font></p>
  </td>
  <td width="3%" height="30" valign="bottom" style="height:22.5pt;padding:0pt .7pt 0pt 0pt;width:3.72%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr height="15" style="height:11.55pt;">
  <td width="50%" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">June 29, 2006</font></b></p>
  </td>
  <td width="50%" colspan="2" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">6714 Pointe Inverness
  Way, Suite&nbsp;200</font></p>
  </td>
 </tr>
 <tr height="15" style="height:11.55pt;">
  <td width="50%" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="50%" colspan="2" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Fort Wayne, IN 46804-7932</font></p>
  </td>
 </tr>
 <tr height="15" style="height:11.55pt;">
  <td width="50%" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="2" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">260.459.3553 Phone</font></p>
  </td>
 </tr>
 <tr height="15" style="height:11.55pt;">
  <td width="50%" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="2" height="15" valign="top" style="height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">260.969.3590 Fax</font></p>
  </td>
 </tr>
 <tr height="15" style="height:11.55pt;">
  <td width="50%" height="15" valign="top" style="border:none;border-bottom:solid windowtext 1.5pt;height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p style="margin:0pt 0pt 9.0pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" colspan="2" height="15" valign="top" style="border:none;border-bottom:solid windowtext 1.5pt;height:11.55pt;padding:0pt .7pt 0pt 0pt;width:50.0%;">
  <p align="right" style="margin:0pt 0pt 9.0pt;text-align:right;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">www.steeldynamics.com</font></p>
  </td>
 </tr>
</table>

<p style="color:navy;margin:0pt 0pt 12.0pt;"><b><font size="2" color="black" face="Times New Roman" style="color:windowtext;font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

<p style="color:navy;margin:0pt 0pt 12.0pt;"><b><font size="3" color="black" face="Times New Roman" style="color:windowtext;font-size:12.0pt;font-weight:bold;">Steel Dynamics Announces Second Quarter Regular
and&#160; Continued Special Cash Dividend</font></b></p>

<p style="margin:0pt -.7pt 12.0pt 0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">FORT WAYNE, INDIANA, June&nbsp;29,
2006&#151;Steel Dynamics,&nbsp;Inc.&#151;(NASDAQ: STLD) today announced that its Board of
Directors has approved the continuation of a special cash dividend of $0.10 per
common share to be distributed in addition to the company&#146;s regular quarterly
cash dividend of $0.10 per common share. Shareholders of record at the close of
business on June&nbsp;30, 2006 will therefore receive a combined cash dividend
of $0.20 per common share payable on July&nbsp;14, 2006.</font></p>

<p style="margin:0pt -.7pt 12.0pt 0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The board intends to continue to
declare this dividend payment of a combined $0.20 per common share during the
remainder of 2006 on a quarterly basis. The decision to continue this combined
dividend payment is based on the company&#146;s strong financial results and future
earnings outlook.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="8%" valign="top" style="border:none;border-top:solid windowtext 1.5pt;padding:0pt .7pt 0pt 0pt;width:8.94%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"></p>
  </td>
  <td width="1%" valign="top" style="border:none;border-top:solid windowtext 1.5pt;padding:0pt .7pt 0pt 0pt;width:1.9%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="border:none;border-top:solid windowtext 1.5pt;padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.94%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><b><font style="font-weight:bold;">Contact: </font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.9%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Fred Warner, Investment Relations Manager</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.94%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.9%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">(260) 969-3500</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="8%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:8.94%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="2" face="Times New Roman" style="font-size:1.0pt;font-weight:bold;">&nbsp;</font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.9%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="89%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:89.16%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">f.warner@steeldynamics.com</font></p>
  </td>
 </tr>
</table>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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