NETSCOUT Systems to Present at the Friedman Billings Ramsey 9th Annual Growth Investor Conference

31 May 2005

WESTFORD, Mass., May 31 /PRNewswire-FirstCall/ -- NetScout Systems, Inc. (Nasdaq: NTCT), a leading provider of network performance management solutions, today announced that it will be presenting at the Friedman Billings Ramsey 9th Annual Growth Investor Conference in New York City on Thursday, June 2, 2005 at 1:30PM ET. This event will be available over the Internet via live webcast. The live webcast may be accessed on NetScout's Investor Relations website at http://www.netscout.com/investor. The webcast will be archived on the website for seven days following the conference.

About NetScout Systems, Inc.

NetScout Systems, Inc. (Nasdaq: NTCT) is a market leader and pioneer of integrated network performance management products that unify performance across the enterprise. NetScout's nGenius(R) Performance Management System is helping more than 3,000 leading companies increase their return on infrastructure investments by optimizing the performance of networks and applications according to business priorities. NetScout is headquartered in Westford, Massachusetts and has offices worldwide. Further information is available at http://www.netscout.com.

NetScout and the NetScout logo, nGenius, and Quantiva are registered trademarks of NetScout Systems, Inc. The CDM logo, MasterCare and the MasterCare logo, are trademarks of NetScout Systems, Inc. Other brands, product names and trademarks are property of their respective owners

Contact:
Catherine Taylor
Director of Investor Relations
NetScout Systems, Inc.
978-614-4286
IR@netscout.com

SOURCE NetScout Systems, Inc.
/Web site: http://www.netscout.com/
(NTCT)