<SUBMISSION>
<ACCESSION-NUMBER>0001104659-07-025408
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>3
<PERIOD>20070403
<ITEMS>8.01
<ITEMS>9.01
<FILING-DATE>20070403
<DATE-OF-FILING-DATE-CHANGE>20070403
<FILER>
<COMPANY-DATA>
<CONFORMED-NAME>STEEL DYNAMICS INC
<CIK>0001022671
<ASSIGNED-SIC>3312
<IRS-NUMBER>351929476
<STATE-OF-INCORPORATION>IN
<FISCAL-YEAR-END>1231
</COMPANY-DATA>
<FILING-VALUES>
<FORM-TYPE>8-K
<ACT>34
<FILE-NUMBER>000-21719
<FILM-NUMBER>07744075
</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>a07-9779_28k.htm
<DESCRIPTION>8-K
<TEXT>
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<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;"><a name="scotch"></a><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p> </div>

<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;"><br>
SECURITIES AND EXCHANGE COMMISSION<br>
</font></b><b>WASHINGTON,
DC&#160; 20549</b></p>

<div style="line-height:normal;margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:center;"><hr size="1" width="160" noshade color="black" align="center" style="width:120.0pt;"></div>

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

<p style="font-weight:bold;margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">CURRENT REPORT</font></b></p>

<p style="font-weight:bold;margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:center;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;">Pursuant to Section 13 or 15(d) of the
Securities Exchange Act of 1934</font></b></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;">Date of Report
(date of earliest event reported): &nbsp;<b>April 3, 2007 (April 3,
2007)</b></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="37%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:37.14%;">
  <p align="center" style="font-size:10.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading --><b>Indiana</b></p>
  </td>
  <td width="29%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:29.58%;">
  <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="33%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:33.28%;">
  <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="37%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:37.14%;">
  <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="29%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:29.58%;">
  <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="33%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:33.28%;">
  <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="37%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:37.14%;">
  <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="29%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:29.58%;">
  <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="33%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:33.28%;">
  <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>
 <tr>
  <td width="100%" colspan="3" valign="top" style="padding:0pt .7pt 0pt .7pt;width:100.0%;">
  <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>
  </td>
 </tr>
 <tr>
  <td width="100%" colspan="3" valign="top" style="padding:0pt .7pt 0pt .7pt;width:100.0%;">
  <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;">6714
  Pointe Inverness Way, Suite 200, Fort Wayne, Indiana 46804</font></b></p>
  </td>
 </tr>
 <tr>
  <td width="100%" colspan="3" valign="top" style="padding:0pt .7pt 0pt .7pt;width:100.0%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Address of
  principal executive offices) (Zip Code)</font></p>
  </td>
 </tr>
</table>

</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="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>260-459-3553</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>&nbsp;&nbsp;Written
communications pursuant to Rule&nbsp;425 under the Securities Act (17&nbsp;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>&nbsp;&nbsp;Soliciting
material pursuant to Rule&nbsp;14a-12 under the Exchange Act (17&nbsp;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>&nbsp;&nbsp;Pre-commencement
communications pursuant to Rule&nbsp;14d-2(b) under the Exchange Act (17&nbsp;CFR
240.14d-2(b))</p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><font size="2" face="Wingdings" style="font-size:10.0pt;">o</font>&nbsp;&nbsp;Pre-commencement
communications pursuant to Rule&nbsp;13e-4(c) under the Exchange Act (17&nbsp;CFR
240.13e-4(c))</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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<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
8.01.&#160; Other Events</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">On April&nbsp;3, 2007,
Steel Dynamics, Inc. issued a press release entitled,&#148; Steel Dynamics Buys Two
Tennessee Scrap Yards.&#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;"><br>
Item 9.01.&#160; Financial Statements and
Exhibits</font></b></p>

<p style="margin:0pt 0pt 12.0pt;page-break-after:avoid;text-indent:36.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(c)&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; Exhibits.</font></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="14%" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:14.62%;">
  <p style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="11%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:11.66%;">
  <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:8.0pt;">Exhibit Number</font></b></p>
  </td>
  <td width="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.78%;">
  <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="71%" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:71.94%;">
  <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:8.0pt;">Description</font></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="14%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:14.62%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="11%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:11.66%;">
  <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="1%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:1.78%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="71%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:71.94%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">A press release dated April&nbsp;3, 2007 titled
  &#147;Steel Dynamics Buys Two Tennessee Scrap Yards.&#148;</font></p>
  </td>
 </tr>
</table>

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


 <p style="margin:24.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">2</font></p>
</div><br><hr size="3" width="100%" noshade color="#010101" align="center">

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<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>

<div align="center">

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <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="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <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="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="48%" colspan="3" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <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="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <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="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:4.62%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">By:</font></p>
  </td>
  <td width="43%" colspan="2" valign="bottom" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt .7pt;width:43.7%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">/s/ Theresa E. Wagler</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date: April 3, 2007</font></p>
  </td>
  <td width="3%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:4.62%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:6.42%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Name:</font></p>
  </td>
  <td width="37%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:37.3%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Theresa E. Wagler</font></p>
  </td>
 </tr>
 <tr>
  <td width="48%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:48.34%;">
  <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="bottom" style="padding:0pt .7pt 0pt .7pt;width:3.32%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="4%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:4.62%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="6%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:6.42%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title:</font></p>
  </td>
  <td width="37%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:37.3%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Vice President</font></p>
  </td>
 </tr>
</table>

</div>

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


 <p style="margin:24.0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">3</font></p>
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<DOCUMENT>
<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a07-9779_2ex99d1.htm
<DESCRIPTION>EX-99.1
<TEXT>
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<body lang="EN-US">

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<h4 align="right" style="font-weight:normal;margin:0pt 0pt 12.0pt;page-break-after:avoid;text-align:right;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">Exhibit 99.1</font></b></h4>

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<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;width:100.0%;">
 <tr>
  <td width="55%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:55.32%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --><b><font size="5" style="font-size:18.0pt;font-weight:bold;">Press Release</font></b></p>
  </td>
  <td width="44%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:44.68%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><font size="2" face="Times New Roman"><img width="224" height="56" src="g97792kgi001.jpg"></font></p>
  </td>
 </tr>
 <tr>
  <td width="55%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:55.32%;">
  <p style="margin:0pt 0pt .0001pt;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">April 3, 2007</font></b></p>
  </td>
  <td width="44%" valign="bottom" style="padding:0pt .7pt 0pt .7pt;width:44.68%;">
  <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 200</font></p>
  </td>
 </tr>
 <tr>
  <td width="55%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:55.32%;">
  <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="44%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:44.68%;">
  <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>
  <td width="55%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:55.32%;">
  <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="44%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:44.68%;">
  <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>
  <td width="55%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:55.32%;">
  <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="44%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:44.68%;">
  <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>
  <td width="55%" valign="top" style="border:none;border-bottom:solid windowtext 2.25pt;padding:0pt .7pt 0pt .7pt;width:55.32%;">
  <p style="margin:0pt 0pt .0001pt;"><b><i><font size="2" face="Times New Roman" style="font-size:1.0pt;font-style:italic;font-weight:bold;">&nbsp;</font></i></b></p>
  </td>
  <td width="44%" valign="top" style="border:none;border-bottom:solid windowtext 2.25pt;padding:0pt .7pt 0pt .7pt;width:44.68%;">
  <p align="right" style="margin:0pt 0pt .0001pt;text-align:right;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">www.steeldynamics.com</font></i></p>
  </td>
 </tr>
</table>

</div>

<p style="margin:0pt 0pt 7.5pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:bold;">&nbsp;</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">Steel Dynamics Buys Two Tennessee
Scrap Yards</font></b></p>

<p style="font-size:10.0pt;margin:0pt 0pt 12.0pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">FORT
WAYNE, INDIANA</font></i>, April
3, 2007&#151;Steel Dynamics,&nbsp;Inc. (NASDAQ-GS: STLD) today announced it has
reached an agreement to purchase two privately owned metals recycling
facilities in eastern Tennessee. The facilities are Elizabethton Iron &amp;
Metal in Elizabethton, Tennessee, and Johnson City Iron &amp; Metal, in Johnson
City, Tennessee. Together, the two scrap yards typically process in excess of
225,000&nbsp;tons of ferrous scrap per year.</p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">These
yards will likely supply a portion of the ferrous scrap requirements to Steel
Dynamics&#146; Roanoke Bar Division in Roanoke, Virginia, as well as to continue to
sell ferrous and non-ferrous materials on the open market. The Tennessee yards
will augment the steel scrap supplied to the Roanoke mill by company-owned
Shredded Products,&nbsp;LLC, which operates facilities in Montvale, Virginia,
and Rocky Mount, Virginia. After the close of the acquisition of the Tennessee
facilities, the four company-owned yards are expected to be able to supply more
than half of the ferrous scrap consumed by the Roanoke Bar Division.</font></p>

<div style="line-height:9.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><hr size="1" width="100%" noshade color="black" align="center"></div>

<p style="margin:0pt 0pt 4.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-weight:bold;margin:0pt 0pt 12.0pt;"><b><font size="2" face="Times New Roman" style="font-size:10.0pt;font-weight:normal;">Forward-Looking Statements</font></b></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">This
press release contains some predictive statements about future events, the
purchase and operation of additional scrap processing facilities and the use of
a portion of the scrap generated by these facilities in SDI&#146;s mini-mills. These
statements are intended to be made as &#147;forward-looking,&#148; subject to many risks
and uncertainties, within the safe harbor protections of the Private Securities
Litigation Reform Act of&nbsp;1995. Such predictive statements are not guarantees
of future performance, and actual results could differ materially from our
current expectations.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">We
refer you to SDI&#146;s detailed explanation of factors and risks that may cause
such predictive statements to turn out differently, as set forth in our most
recent Annual Report on Form 10-K and in other reports which we from time to
time file with the Securities and Exchange Commission, available publicly on
the SEC Web site, www.sec.gov, and on the Steel Dynamics Web site,
www.steeldynamics.com</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Forward-looking
or predictive statements we make are based on our knowledge of our businesses
and the environment in which they operate as of the date on which the
statements were made.&#160; Due to these risks
and uncertainties, as well as matters beyond our control which can affect
forward-looking statements, you are cautioned not to place undue reliance on
these predictive statements, which speak only as of the date of this press
release.&#160; We undertake no duty to update
or revise any forward-looking statement, whether as a result of new
information, future events or otherwise.</font></p>

<div style="line-height:9.0pt;margin:0pt 0pt .0001pt;page-break-after:avoid;text-align:center;"><hr size="1" width="100%" noshade color="black" align="center"></div>

<p style="margin:0pt 0pt 4.5pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>

<p style="font-size:10.0pt;margin:0pt 0pt .0001pt 45.0pt;text-indent:-45.0pt;"><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;">Contact:</font></i><i><font size="1" style="font-size:3.0pt;font-style:italic;">&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160;&#160; </font>Fred Warner, Investor
Relations Manager, (260) 969-3564 or fax (260) 969-3590<br>
<b>f.warner@steeldynamics.com</b></i></p>

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



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

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