NETSCOUT Systems to Present at The 10th Annual Massachusetts Telecommunications Council Investors Conference, May 15, 2003

01 May 2003

WESTFORD, Mass., May 1 /PRNewswire-FirstCall/ -- NetScout Systems, Inc. (Nasdaq: NTCT), a leading provider of network performance management solutions, today announced that David Sommers, Senior Vice President of General Operations and Chief Financial Officer, will present at the 10th Annual Massachusetts Telecommunications Council (MTC) Investors Conference on Thursday, May 15, 2003 at The Westin Copley Place, 10 Huntington Avenue, Boston, Massachusetts. Mr. Sommers will give two 30-minute, back-to- back presentations beginning at 10:45 a.m.

The MTC Investors Conference showcases 40 leading public and private companies in the Massachusetts telecommunications and networking arena and provides investors, analysts, industry decision-makers, and the media a forum in which to gain insight into these companies. The conference will begin at 7:30 a.m. and conclude at 5:30 p.m.

For additional information about the conference, please visit the MTC website at http://www.masstel.org.

About the Massachusetts Telecommunications Council

Founded in 1993 and based in Waltham, MA, the Massachusetts Telecommunications Council supports approximately 250 telecommunications, Internet, data communications, and affiliated organizations throughout the Commonwealth and New England. The MTC works through its members, events, and workforce initiatives to promote the Commonwealth as an international center for telecommunications development and to increase the global presence of local entities. Particularly during a time of transition for the industry, the MTC plays a vital role in the telecommunications community. As both a supporter of and a resource for industry participants, the MTC provides networking opportunities, major conferences, seminars, industry training, and other services to help its member organizations and the entire Massachusetts telecommunications community succeed. More information is available at www.masstel.org.

About NetScout Systems, Inc.

NetScout Systems, Inc. (Nasdaq: NTCT) is a market leader and pioneer of integrated network performance management solutions for leading companies and service providers worldwide. NetScout's offerings are based upon its nGenius(R) Performance Management System, an integrated solution of advanced monitoring and reporting applications that draw on the rich performance data generated by NetScout's real-time, application-aware probes, advanced intelligent software agents and other network devices. The nGenius System helps organizations increase their return on infrastructure investments by optimizing the performance of their network and applications. NetScout is headquartered in Westford, Massachusetts and has offices in North America, Europe and Asia. Further information on the company is available on the World Wide Web at http://www.netscout.com/.

NetScout, nGenius, and the NetScout logo are registered trademarks of NetScout Systems, Inc., Because the network is the business and Common Data Model (CDM) Technology are trademarks of NetScout Systems, Inc. NetScout reserves the right, at its sole discretion, to make changes at any time in its technical information, specifications, and service and support programs.

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

SOURCE NetScout Systems, Inc.