ArcSight Files for IPO

CUPERTINO, Calif. -- ArcSight, Inc., a provider of security and compliance management solutions that intelligently mitigate business risk for enterprises and government agencies, today announced that it has filed a registration statement on Form S-1 with the Securities and Exchange Commission for a proposed initial public offering of its common stock. The number of shares to be offered and the price range for the offering have not yet been determined.

Morgan Stanley & Co. Incorporated is acting as sole book-running manager; Lehman Brothers Inc. is acting as joint-lead manager; and Wachovia Capital Markets, LLC and RBC Capital Markets are acting as co-managers.

When available, a copy of the preliminary prospectus may be obtained from Morgan Stanley & Co. Incorporated, 180 Varick Street, New York, NY 10014, Attn: Prospectus Department, by calling 866-718-1649, or by emailing [email protected].

ArcSight Inc.