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OPNET Announces Record Attendance and Industry Participation from Japanese Enterprise IT Community at OPNETWORK2003 Tokyo

BETHESDA, MD - November 6, 2003 --OPNET Technologies, Inc. (NASDAQ: OPNT) a leading provider of management software for networks and applications, today announced that its partner in Japan, E3 Networks (owned by Mitsui & Co.), had record attendance and industry participation from the enterprise IT community at OPNETWORK2003 Tokyo - an extension of OPNETWORK 2003 held in Washington DC from August 25 to 29, 2003.

Over 200 representatives from the IT departments of large Japanese corporations and system integrators registered for the event. A record number of attendees participated in 8 sessions taught by industry experts and organized in 3 parallel tracks covering a wide range of topics including application performance troubleshooting, network auditing, and predictive planning for networks, systems, and application deployments. OPNETWORK2003 Tokyo was held on October 24th in Tokyo, Japan at the Leport-Kojimachi Hotel.

Featured speakers at OPNETWORK2003 Tokyo included:

  • Kenshi Tazaki, Vice President of Gartner Japan, presented " Business and network fusion: Escape from the world of uncertainty"
  • Kenji Higashi, Manager of Diagnostic Services for Kanematsu Electronics Ltd., discussed "Proactive verification services: Bottleneck diagnosis and performance optimization of applications and servers"
  • Tomonari Mikawa, Manager at OBIC Business Consultants Ltd., addressed " Network, operations, and outsourcing service case studies: ERP and OBiC7"
  • Naoki Hanagaki, General Manager of NEXT com Ltd., shared "Optimizing network designs with OPNET software"
  • Tomohito Saijyo, Division General Manager of Cable & Wireless IDC Ltd., presented "Key recipes for maintaining application performance with migration at IDC"
  • Todd Kaloudis, Vice President at OPNET, presented “End to End Performance Assurance – Winning Strategies of Successful US Financial Institutions”

"We are very pleased with the turnout at OPNETWORK2003 Tokyo," stated Joseph Lenz, Vice President of International Sales at OPNET. "We are fortunate to have such an exceptional group of speakers, partners, and customers contribute to the event. They did an outstanding job replicating the excitement of the OPNETWORK2003 event we hosted in Washington, D.C. last August.”

About E3 Networks
Mitsui & Co. established E3 Networks, Ltd. (E3) as a strategic subsidiary specializing in IT management software and services on April 1st, 2001. E3 is OPNET's leading distribution partner outside of the USA, and is also HP's top-selling distribution partner in Japan for the HP OpenView Network Node Manager solution.

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About OPNET Technologies, Inc.
Founded in 1986, OPNET Technologies is a leading provider of management software for networks and applications. For more information about OPNET and its products, visit http://www.opnet.com.

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Note to editors: The word OPNET is spelled with all upper-case letters.

OPNET Media Contact:
Margarita Castillo
OPNET Technologies, Inc.
(240) 497-3000
Media@opnet.com
www.opnet.com

OPNET Investor Relations:
Mel Wesley
OPNET Technologies
(240) 497-3000
ir@opnet.com
www.opnet.com