X0202 4 2005-12-13 0 0000789851 VITALSTREAM HOLDINGS INC VSTH 0000939602 BERLINER ARTHUR S 750 BATTERY STREET SUITE 700 SAN FRANCISCO CA 94111 0 0 1 0 0001235107 ESKENAZI STEVEN L 750 BATTERY ST., 7TH FLOOR SAN FRANCISCO CA 94110 0 0 1 0 0001242744 MILLER MATT WALDEN VC 750 BATTERY ST 7TH FLR SAN FRANCISCO CA 94110 0 0 1 0 0001248294 MARCUS LAWRENCE 750 BATTERY STREET 7TH FLOOR SAN FRANCISCO CA 94111 0 0 1 0 Common Stock 2005-12-13 4 X 0 2962897 0.6075 A 12839221 I See Footnote 1 Warrant 0.6075 2005-12-13 4 X 0 2962897 0 D 2004-06-14 2009-06-14 Common Stock 2962897 0 I See Footnote 1 The Reporting Persons are managers of a limited liability company that is the general partner of a limited partnership that directly owns such securities. The Reporting Persons disclaim beneficial ownership of such securities except to the extent of each Reporting Person's pecuniary interest therein. Arthur S. Berliner by Robert A. Raynard, Attorney-in-Fact 2005-12-15 Steven L. Eskenazi by Robert A. Raynard, Attorney-in-Fact 2005-12-15 Matthew R. Miller by Robert A. Raynard, Attorney-in-Fact 2005-12-15 Laswrence F. Marcus by Robert A. Raynard, Attorney-in-Fact 2005-12-15