1) The document is a Form 4 filing with the United States Securities and Exchange Commission reporting changes in beneficial ownership of securities by Karla R. Lewis, an executive officer of Reliance Steel & Aluminum Co. 2) It discloses that on May 10, 2007, Lewis acquired 87 shares of Reliance Steel & Aluminum common stock through her participation in the company's Employee Stock Ownership Plan trust. 3) As of the filing date, Lewis beneficially owned a total of 4,825 shares of Reliance Steel & Aluminum common stock through the trust and 69,936 shares directly. The filing does not report any derivative securities transactions.