Reliance Steel & Aluminum Co. Hosts 2008 First Quarter Conference Call over the Internet

Business Wire, April 10, 2008

LOS ANGELES -- Reliance Steel & Aluminum Co. (NYSE:RS) announced today that it will host a conference call that will be broadcast live over the Internet regarding the Company's first quarter financial results for the period ended March 31, 2008. All interested parties are invited to listen to the web cast on Thursday, April 17, 2008 at 11:00 a.m. Eastern Time. The earnings release will be made available to the public at 9:00 a.m. Eastern Time that same day. David Hannah, Reliance Steel & Aluminum Co.'s Chairman of the Board and Chief Executive Officer will open the conference call and review the operations along with Gregg Mollins, President and Chief Operating Officer. Karla Lewis, Executive Vice President and Chief Financial Officer, will then review the financial results.

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For those of you who are not able to listen to the conference call as it occurs, the web cast will remain posted on the Reliance web site at: www.rsac.com/investorinformation through May 17, 2008 and a printed transcript will be posted on the Reliance web site after the completion of the conference call.

Reliance Steel & Aluminum Co., headquartered in Los Angeles, California, is one of the largest metals service center companies in the United States. Through a network of more than 180 locations in 37 states and Belgium, Canada, China, South Korea and the United Kingdom, the Company provides value-added metals processing services and distributes a full line of over 100,000 metal products. These products include galvanized, hot-rolled and cold-finished steel; stainless steel; aluminum; brass; copper; titanium and alloy steel sold to more than 125,000 customers in various industries.

Reliance Steel & Aluminum Co.'s press releases and additional information are available on the Company's web site at www.rsac.com. The Company was named to the 2007 "Fortune 500" List, the Fortune 2007 "100 Fastest Growing Companies" List, the Fortune 2008 List of "America's Most Admired Companies" the 2008 Forbes "America's Best Managed Companies" List, and the 2008 Forbes "Platinum 400 List of America's Best Big Companies."

This release may contain forward-looking statements relating to future financial results. Actual results may differ materially as a result of factors over which Reliance Steel & Aluminum Co. has no control. These risk factors and additional information are included in the Company's Annual Report on Form 10-K for the year ended December 31, 2007 and other reports on file with the Securities and Exchange Commission.