October 30, 2008

Reliance Steel & Aluminum Co. Names New Corporate Officers

Reliance Steel & Aluminum Co. (NYSE:RS) announced today that it has named two additional officers of the Company. James D. Hoffman, 50, is Senior Vice President - Operations and Colleen A. Wolf, 44, is Chief Information Officer. Mr. Hoffman joined the Earle M. Jorgensen Company in 1991 and has served as Chief Operating Officer and Executive Vice President since 2006. Earle M. Jorgensen Company is a subsidiary of Reliance Steel & Aluminum Co. From 1980 - 1991, he worked at various positions at United States Steel Corporation. Mr. Hoffman graduated from West Virginia University with a B.S. degree in Advertising/Marketing.

Prior to joining Reliance, Colleen Wolf served as Vice President of North American Business Systems for Starbucks Coffee Company. Ms. Wolf also served as Senior Vice President and Chief Information Officer of New Century Financial Corp. and spent ten years in various positions in the Information Technology organization of Mattel, Inc., most recently as Vice President, Supply Chain and Corporate Finance Systems. She received a B. S. degree in Computing Science from the University of Alberta in Edmonton, Alberta, Canada.

David H. Hannah, Chairman of the Board and Chief Executive Officer said, "Reliance has grown considerably over the past few years and as a Fortune 500 company we plan to continue along that path for the future. In order to accomplish this, we must have the management depth necessary for competing effectively in today's business environment. Jim's and Colleen's expertise will favorably benefit the Company going forward."

Reliance Steel & Aluminum Co., headquartered in Los Angeles, California, is the largest metals service center company in North America. Through a network of more than 200 locations in 39 states and Belgium, Canada, China, Mexico, Singapore, 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 to more than 125,000 customers in a broad range of 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 2008 "Fortune 500" List, the Fortune 2008 List of "America's Most Admired Companies" the 2008 Forbes "America's Best Managed Companies" List, the 2008 Forbes "Platinum 400 List of America's Best Big Companies" and the 2008 Fortune "100 Fastest Growing Companies" List.

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, 2007, and Quarterly Reports on Form 10-Q for the quarters ended March 31, 2008, June 30, 2008 and September 30, 2008.