Data Domain Prices Offering

SANTA CLARA, Calif. -- Data Domain, Inc. (NasdaqGM:DDUP - News) announced today that it has priced its previously announced public offering at $27.00 per share. A total of 2,800,000 shares are being sold by Data Domain, and a total of 3,200,000 are being sold by the selling stockholders identified in the prospectus.

Data Domain intends to use its net proceeds from the offering for working capital and other general corporate purposes. Data Domain will not receive any of the proceeds from the sale of shares being sold by the selling stockholders. Net proceeds to the company are expected to be approximately $71.5 million.

The underwriters have an option to purchase up to an additional 420,000 shares from Data Domain and up to an additional 480,000 shares the selling stockholders to cover over-allotments, if any.

Morgan Stanley acted as book-running manager for the offering and Pacific Crest Securities, Wachovia Securities, Canaccord Adams Inc. and Needham & Company, LLC acted as co-managers. A registration statement relating to the offering was filed with and declared effective by the Securities and Exchange Commission. The offering of the common stock may be made only by means of a prospectus, copies of which may be obtained from Morgan Stanley & Co. Incorporated, 180 Varick Street, New York, New York 10014, Attention: Prospectus Department, by calling 1-866-718-1649 or by emailing [email protected].

Data Domain Inc.