Reliance Steel & Aluminum Co. Hosts 2012 Second Quarter Conference Call over the Internet

　　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 second quarter financial results for the period ended June 30, 2012. All interested parties are invited to listen to the web cast on Thursday, July 26, 2012 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.

　　Reliance Steel & Aluminum Co.’s 2012 Second Quarter Conference Call Live web cast (listen only mode) at: www.rsac.com on the investor information page

　　DATE:

　　Thursday, July 26, 2012

　　TIME:

　　8:00 a.m. Pacific Time

　　10:00 a.m. Central Time

　　11:00 a.m. Eastern Time

　　WEB SITE:

　　http://www.rsac.com on the investor information page or http://www.streetevents.com

　　Player format: Windows Media and RealPlayer

　　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 on the investor information page through August 27, 2012 and a printed transcript will be posted on the Reliance web site after the completion of the conference call.

　　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 2012 “Fortune 500” List and the 2012 Fortune List of “The World’s Most Admired Companies.”

　　This release may contain forward-looking statements. Actual results and events may differ materially as a result of a variety of factors, many of which are outside of Reliance Steel & Aluminum Co.’s control. Risk factors and additional information are included in Reliance Steel & Aluminum Co.’s reports on file with the Securities and Exchange Commission, including Reliance Steel & Aluminum Co.’s Annual Report on Form 10-K for the year ended December 31, 2011 and Quarterly Report on Form 10-Q for the quarter ended March 31, 2012.