Following the stock split, F5 will have approximately 84.2 million shares outstanding, based on the number of shares outstanding as of July 23, 2007. Reflecting the effect of the stock split, management's earnings guidance of USD$0.53 to USD$0.55 per diluted share referenced above translates to USD$0.27 to USD$0.28 per diluted share on a post-split basis. In addition, F5 will amend its articles of incorporation to increase its authorized number of shares of common stock from 100 million shares to 200 million shares concurrent with the stock split. If a shareholder is contemplating a sale of F5 shares between the record date and the payment date, he or she should consult a broker regarding entitlement to the split shares. About F5 Networks : F5 Networks is the global leader in Application Delivery Networking. F5 provides solutions that make applications secure, fast and available for everyone, helping organizations get the most out of their investment.