3PAR FILES REGISTRATION STATEMENT FOR AN INITIAL PUBLIC OFFERING

FREMONT, CA, August 14, 2007

3PAR®, the leading global provider of utility storage solutions, today announced it filed a registration statement on Form S-1 with the U.S. Securities and Exchange Commission for a proposed initial public offering of its common stock.

Goldman, Sachs & Co. and Credit Suisse Securities (USA) LLC will act as joint book-running managers with UBS Investment Bank acting as co-lead manager. Thomas Weisel Partners LLC and RBC Capital Markets will act as co-managers. The number of shares to be offered and the price range for the offering have not been determined.

A registration statement relating to the shares of 3PAR common stock has been filed with the Securities and Exchange Commission but has not yet become effective. The shares of 3PAR common stock may not be sold, nor may offers to buy be accepted, prior to the time the registration statement becomes effective. 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.

The offering will be made only by means of a prospectus. When available, copies of the preliminary prospectus related to the offering can be obtained from: