October 9, 2008

Webcast Alert: Steel Dynamics Announces Q3 2008 Conference Call Webcast

FORT WAYNE, Ind., Oct. 9 /PRNewswire-FirstCall/ -- Steel Dynamics, Inc. announces the following Webcast:

   What:     Steel Dynamics, Inc. Q3 2008 Conference Call Webcast    When:     October 16, 2008 @ 10:00 am Eastern    Where:    http://www.videonewswire.com/event.asp?id=52032    How:      Live over the Internet -- Simply log on to the web at the             address above.    Contact:  Fred Warner, Investor Relations Manager, 260-969-3564.   

If you are unable to participate during the live webcast, the call will be archived on the Web site http://www.steeldynamics.com/.

Steel Dynamics produces high-quality carbon steel products and is a major metals recycler. Steel products include flat rolled steel, structural steel, merchant and SBQ bars, specialty shapes, and rail that are produced at five steel mini mills located in Indiana, Virginia, and West Virginia. A low-cost producer of quality steel products, Steel Dynamics is one of the most profitable U.S. steel companies in terms of profits per ton. Revenues in 2007 were $4.4 billion on consolidated shipments of 6.2 million tons. In October 2007 SDI acquired OmniSource Corporation, a large privately owned metals recycling business. Including the June 2008 purchase of Recycle South, a metals recycler in the Southeastern U.S. and the purchase of Sturgis Iron & Metal, OmniSource now has an annual capacity to process about 7 million tons of ferrous scrap and more than a billion pounds of nonferrous scrap.

Audio: http://www.videonewswire.com/event.asp?id=52032

Steel Dynamics, Inc.

CONTACT: Fred Warner, Investor Relations Manager, +1-260-969-3564

Web site: http://www.steeldynamics.com/