<SUBMISSION>
<ACCESSION-NUMBER>0001104659-06-081505
<TYPE>8-K
<PUBLIC-DOCUMENT-COUNT>3
<PERIOD>20061213
<ITEMS>8.01
<ITEMS>9.01
<FILING-DATE>20061214
<DATE-OF-FILING-DATE-CHANGE>20061214
<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>061276779
</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>a06-25778_18k.htm
<DESCRIPTION>CURRENT REPORT OF MATERIAL EVENTS OR CORPORATE CHANGES
<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></p> </div>

<p style="margin:0pt 0pt 12.0pt;"><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<br>
</font></b><b>WASHINGTON,
DC&#160; 20549</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;"><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;"><b><font size="5" face="Times New Roman" style="font-size:18.0pt;font-weight:bold;">FORM 8-K</font></b></p>

<p align="center" style="margin:0pt 0pt 12.0pt;text-align:center;"><b><font size="4" face="Times New Roman" style="font-size:14.0pt;font-weight:bold;">CURRENT
REPORT</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;">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): <b>December 14, 2006
(December 13, 2006)</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="30%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:30.74%;">
  <p align="center" style="font-size:10.0pt;margin:0pt 0pt .0001pt;text-align:center;"><!-- SET mrlNoTableShading --><b>Indiana</b></p>
  </td>
  <td width="30%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:30.76%;">
  <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="38%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:38.5%;">
  <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="30%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:30.74%;">
  <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<br>
  of incorporation)</font></p>
  </td>
  <td width="30%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:30.76%;">
  <p align="center" style="margin:0pt 0pt .0001pt;text-align:center;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">(Commission <br>
  File Number)</font></p>
  </td>
  <td width="38%" valign="top" style="padding:0pt .7pt 0pt .7pt;width:38.5%;">
  <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<br>
  Identification No.)</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="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 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>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 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;&nbsp;Written
communications pursuant to Rule 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>&nbsp;&nbsp;&nbsp;Soliciting
material pursuant to Rule 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>&nbsp;&nbsp;&nbsp;Pre-commencement
communications pursuant to Rule 14d-2(b) under the Exchange Act (17 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;&nbsp;Pre-commencement
communications pursuant to Rule 13e-4(c) under the Exchange Act (17 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 December 13, 2006,
Steel Dynamics, Inc. issued a press release entitled &#147;Steel Dynamics Updates
Healthy Earnings Outlook.&#148;&#160; The full text
of the press release is furnished herewith and attached hereto as Exhibit 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.&#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; Exhibits.</font></p>

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<table border="0" cellspacing="0" cellpadding="0" style="border-collapse:collapse;">
 <tr style="page-break-inside:avoid;">
  <td width="76" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:57.15pt;">
  <p align="left" style="font-size:8.0pt;font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:left;"><!-- SET mrlHTMLTableCenter --><!-- SET mrlNoTableShading --><u>Exhibit Number</u></p>
  </td>
  <td width="57" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:42.85pt;">
  <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="512" valign="bottom" style="padding:0pt .7pt 0pt 0pt;width:384.05pt;">
  <p align="left" style="font-weight:bold;line-height:8.0pt;margin:0pt 0pt .0001pt;text-align:left;"><b><u><font size="1" face="Times New Roman" style="font-size:8.0pt;">Description</font></u></b></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="76" valign="top" style="padding:0pt .7pt 0pt 0pt;width:57.15pt;">
  <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="57" valign="top" style="padding:0pt .7pt 0pt 0pt;width:42.85pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="512" valign="top" style="padding:0pt .7pt 0pt 0pt;width:384.05pt;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">A press release dated December 13, 2006 titled
  &#147;Steel Dynamics Updates Healthy Earnings Outlook.&#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 style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">2</font></p> <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;">&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;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="45%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:45.6%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlNoTableShading --></p>
  </td>
  <td width="54%" colspan="2" valign="top" style="padding:0pt .7pt 0pt 0pt;width:54.4%;">
  <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 style="page-break-inside:avoid;">
  <td width="45%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:45.6%;">
  <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="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;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
 <tr style="page-break-inside:avoid;">
  <td width="45%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:45.6%;">
  <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:10.0pt;">By:</font></p>
  </td>
  <td width="50%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:50.44%;">
  <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 style="page-break-inside:avoid;">
  <td width="45%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:45.6%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Date: December
  14, 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:1.0pt;">&nbsp;</font></p>
  </td>
  <td width="50%" valign="top" style="border:none;padding:0pt .7pt 0pt 0pt;width:50.44%;">
  <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 style="page-break-inside:avoid;">
  <td width="45%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:45.6%;">
  <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="50%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:50.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Title: Vice President &amp; Chief Financial Officer</font></p>
  </td>
 </tr>
</table>

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


 <p style="font-size:10.0pt;margin:24.0pt 0pt .0001pt;text-align:center;"><font face="Times New Roman">3</font></p>
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<TYPE>EX-99.1
<SEQUENCE>2
<FILENAME>a06-25778_1ex99d1.htm
<DESCRIPTION>EX-99
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<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 99.1</font></b></p>

<table border="0" cellspacing="0" cellpadding="0" width="100%" style="border-collapse:collapse;font-family:Times New Roman;width:100.0%;">
 <tr style="page-break-inside:avoid;">
  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.44%;">
  <p style="font-size:10.0pt;margin:0pt 0pt .0001pt;"><!-- SET mrlHTMLTableFull --><!-- SET mrlNoTableShading --><font size="5" style="font-size:18.0pt;">Press Release</font></p>
  <p style="margin:0pt 0pt .0001pt;"><font size="5" face="Times New Roman" style="font-size:18.0pt;">December 13, 2006</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <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 0pt;width:31.18%;">
  <p align="right" style="margin:0pt -10.0pt .0001pt 0pt;text-align:right;"><font size="2" face="Times New Roman"><img width="214" height="89" src="g257781kci001.jpg"></font></p>
  </td>
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  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:31.18%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
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  <td width="66%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:66.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="31%" valign="top" style="padding:0pt .7pt 0pt 0pt;width:31.18%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
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  <td width="66%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:66.44%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="2%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:2.38%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
  <td width="31%" valign="top" style="border:none;border-bottom:solid windowtext 1.0pt;padding:0pt .7pt 0pt 0pt;width:31.18%;">
  <p style="margin:0pt 0pt .0001pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&nbsp;</font></p>
  </td>
 </tr>
</table>

<p style="margin:0pt 0pt 12.0pt;"><b><font size="3" face="Times New Roman" style="font-size:12.0pt;font-weight:bold;">Steel Dynamics Updates Healthy
Earnings Outlook</font></b></p>

<p style="font-family:Times New Roman;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>,
December 13, 2006&#151; Steel Dynamics, Inc. (NASDAQ: STLD)&#160; today announced that, despite the recent
market softness and related steel industry earnings concerns, it expects its
fourth quarter earnings will be $1.00 to $1.05 per diluted share, slightly
below the guidance of $1.05 to $1.10 per diluted share provided in its
third-quarter press release on October 18, 2006. Steel Dynamics earned $1.09
per diluted share in the third quarter of 2006 and $0.65 per diluted share in
the fourth-quarter 2005, after adjusting for a two-for-one stock split
effective November 20, 2006. This update represents about a five percent
reduction in guidance and a five percent reduction in estimated fourth-quarter
earnings as compared to the third quarter.</p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
recent fourth quarter weakness has been centered in the flat-rolled steel
segment, which currently represents about one half of SDI&#146;s steel shipments.
Business activity and pricing remain strong at the company&#146;s other four
steel-making divisions and in fabrication.&#160;
Shipments and backlogs remain strong for structural steel, engineered
bars, merchant bars, and specialty shapes. The company has experienced
favorable trends in steel scrap pricing recently and continues to enjoy healthy
margins in its long-products businesses.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Since
mid-October, industry conditions for flat-rolled steel have softened to a greater
extent than anticipated, resulting in both weaker order entry activity and
lower selling prices. As a result, a decision was made to operate the flat roll
mill at a slower pace in November and December, with the mill&#146;s capacity
utilization declining to about 85 percent. Although scrap prices have trended
down, SDI&#146;s flat-rolled profit margins have been squeezed somewhat by lower
selling values. Pricing and margins for value-added and coated products have
softened, but have held up better than the hot-rolled segment of the market.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;Overall,
we are weathering the storm in the flat-roll segment reasonably well,&#148; said
Keith Busse, President and CEO of Steel Dynamics. &#147;We believe, however, that
the market softness will be short-lived provided that imports decline allowing
inventories to be worked down. We see little indication of slackening of
end-product demand, other than with certain domestic auto manufacturers and
residential construction. Despite the year-end softness in the flat-roll
business, SDI&#146;s full-year 2006 earnings per diluted share should be more than
70 percent higher than in 2005, and about 25 percent higher than 2004, our
previous best year.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">&#147;As
we look ahead to 2007, we expect to continue to benefit from our diversified
product mix, new product offerings, additional production capacity, low cost
structure, effective scrap procurement programs, and continued commercial
acceptance of our steel products. We expect 2007 could be another strong year
for SDI, with increased shipments, higher revenues, and potentially stronger
earnings,&#148; Busse said.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">The
company&#146;s fourth quarter results will include a charge of one to two cents per
share related to employees at the Roanoke, Virginia, bar mill accepting a
voluntary early retirement package. This charge had not been factored into
earlier guidance because it was a late year program and the number of employees
who would accept the offer was unknown.&#160;
About 40 employees have accepted the early retirement program, which
helps the company adjust the size of the Roanoke workforce to accommodate
planned improvements in processes and equipment at the Roanoke mill.</font></p>

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

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 <p style="margin:0pt 0pt .0001pt;text-align:center;"></p>


<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">Forward-Looking
Statements</font></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,
including statements related to conditions in the steel marketplace, Steel
Dynamics&#146; revenue growth, costs of raw materials, future profitability and
earnings, and the operation of new or existing facilities. 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 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;">Factors
that could cause such predictive statements to turn out other than as
anticipated or predicted include, among others:&#160;
changes in economic conditions affecting steel consumption; increased
foreign imports; increased price competition; difficulties in integrating
acquired businesses; risks and uncertainties involving new products or new
technologies; changes in the availability or cost of steel scrap or substitute
materials; increases in energy costs; occurrence of unanticipated equipment
failures and plant outages; labor unrest; and the effect of the elements on
production or consumption.</font></p>

<p style="margin:0pt 0pt 12.0pt;"><font size="2" face="Times New Roman" style="font-size:10.0pt;">In
addition, we refer you to SDI&#146;s detailed explanation of these and other 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>

<p style="font-weight:bold;margin:0pt 0pt .0001pt;"><b><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;font-weight:normal;">Contact:&#160; Fred Warner, Investor Relations Manager,
(260) 969-3564 or fax (260) 969-3590</font></i></b></p>

<p style="margin:0pt 0pt 12.0pt;text-indent:36.0pt;"><b><i><font size="2" face="Times New Roman" style="font-size:10.0pt;font-style:italic;font-weight:bold;">f.warner@steeldynamics.com</font></i></b></p>

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

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

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