ArcSight will host a conference call and live webcast at 2:00 p.m.
Pacific Standard Time on March 13, 2008. To access the conference call, callers in the U.S. or Canada dial 800-218-4007 and international callers dial 303-262-2139. The webcast will be available live on the Investor Relations section of the company's website at www.arcsight.com.
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