SAN ANTONIO — August 7, 2008 — Rackspace Hosting, Inc. (NYSE: RAX) today announced the initial public offering of 15,000,000 shares of its common stock at a price of $12.50 per share. Rackspace will offer 12,700,000 shares of its common stock in the offering and the selling stockholders will offer an additional 2,300,000 shares of common stock in the offering. Rackspace and the selling stockholders have also granted the underwriters a 30-day option to purchase up to an additional 2,250,000 shares to cover over-allotments. Rackspace's common stock will begin trading on the New York Stock Exchange under the symbol "RAX" on Friday, August 8, 2008.

Goldman, Sachs & Co., Credit Suisse Securities (USA) LLC and Merrill Lynch & Co. are acting as joint book-running managers for the offering. W.R. Hambrecht + Co., LLC, Jefferies & Company, Inc., Cowen and Company, LLC, RBC Capital Markets Corporation, JMP Securities LLC, Signal Hill Capital Group LLC, and E*TRADE Securities LLC are the co-managers for the offering. 

A registration statement relating to these securities has been filed with and declared effective by the Securities and Exchange Commission. This press release shall not constitute an offer to sell or the solicitation of an offer to buy, nor shall there be any sale of these securities in any state or jurisdiction in which such offer, solicitation or sale would be unlawful prior to registration or qualification under the securities laws of any such state or jurisdiction.  

Copies of the final prospectus for the offering may be obtained from Goldman, Sachs & Co., Attention: Prospectus Department, 85 Broad Street, New York, New York 10004, by facsimile at 212-902-9316 or by e-mail at prospectus-ny@ny.email.gs.com; from Credit Suisse Securities (USA) LLC, Prospectus Department, One Madison Avenue, New York, NY 10010, telephone 800-221-1037; or from Merrill Lynch & Co., 4 World Financial Center, New York, NY 10080, telephone 866-500-5408.

About Rackspace Hosting
Rackspace® Hosting, Inc. provides IT systems and computing as a service to more than 33,000 customers worldwide. Rackspace Hosting's offerings include managed hosting, email hosting, cloud hosting and platform hosting.