X0202 3 2007-06-26 0 0001391984 Data Domain, Inc. DDUP 0000903510 ANDERSON DAVID L 755 PAGE MILL ROAD, SUITE A-200 PALO ALTO CA 943041005 0 0 1 0 Series B Preferred Stock Common Stock 174248.00 I By Ltd Partnership Series B Preferred Stock Common Stock 4165503.00 I By Ltd Partnership (SHV) Series C Preferred Stock Common Stock 46188.00 I By Ltd Partnership Series C Preferred Stock Common Stock 1104131.00 I By Ltd Partnership (SHV) The issuer's preferred stock will automatically be converted into common stock on a one-for-one basis immediately upon the completion of the issuer's initial public offering. Shares held by a limited partnership of which the reporting person is the General Partner. The reporting person disclaims beneficial ownership in these shares except as to the reporting person's pecuniary interest in the partnership. Excludes 85,010 shares held by Sutter Hill Ventures, A California Limited Partnership on behalf of Ronald D. Bernal, a director of the issuer. Sutter Hill Ventures, A California Limited Partnership does not have beneficial ownership over these 85,010 shares. Shares held by Sutter Hill Ventures, A California Limited Partnership. The reporting person is a Managing Director of the General Partner of Sutter Hill Ventures, A California Limited Partnership. The reporting person disclaims beneficial ownership in these shares except as to the reporting person's pecuniary interest in the partnership. By: Robert Yin, by power of attorney 2007-06-26