News & Events

ArcSight to Present at the 12th Annual Needham Growth Conference

CUPERTINO, CA. – December 29, 2009 – ArcSight, Inc. (NASDAQ: ARST), a leading global provider of security and compliance management solutions that protect enterprises and government agencies, today announced that Tom Reilly, president and chief executive officer, and Stewart Grierson, chief financial officer, will present at the Needham and Company, LLC’s Growth Conference in New York on January 12, 2010 at 4:30 p.m. ET / 1:30 p.m. PT.

A live webcast of the presentation will be available on the Investor Relations section of the company’s website at www.arcsight.com. In addition, an archived webcast of the presentation will be available on the Investor Relations section of the company’s website.

About ArcSight
ArcSight (NASDAQ: ARST) is a leading global provider of security and compliance management solutions that protect businesses and government agencies. ArcSight identifies, assesses, and mitigates both internal and external cyber threats and risks across the organization for activities associated with critical assets and processes. With the market-leading ArcSight SIEM platform, organizations can proactively safeguard their assets, comply with corporate and regulatory policy and control the risks associated with cyber-theft, cyber-fraud, cyber-warfare and cyber-espionage. For more information, visit www.arcsight.com. (ARST-IR)

© 2009 ArcSight, Inc. All rights reserved. ArcSight and the ArcSight logo are trademarks of ArcSight, Inc.

Investor Relations Contact:
Robert Dougherty
415.293.4427
IR@arcsight.com
robert.dougherty@fdashtonpartners.com