Terawave Leverages OPNET Softwareto Deliver Optical Access Solutions

HAYWARD, CA & WASHINGTON, DC -- December 14, 2000 -- OPNET Technologies, Inc. (Nasdaq:OPNT), the leading provider of intelligent network management software, and Terawave Communications, Inc., the leading innovator of optical access solutions, today announced that Terawave is using OPNET's predictive modeling platform to develop its Dynamic Bandwidth Allocation (DBA) algorithms and proprietary communications protocols for Passive Optical Network (PON) and Dense Wave Division Multiplexing (DWDM) networking equipment.

OPNET Develops Protocol Model for Next-Generation IP+Optical Ring Technology

WASHINGTON, DC -- December 4, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT), the leading provider of intelligent network management software, today announced the industry's first SRP model for network design and planning.

OPNET University Program Reaches 500 Schools Worldwide

WASHINGTON, DC -- November 28, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT), the leading provider of intelligent network management software, announced that the popular OPNET University Program has reached a significant milestone with its membership now at more than 500 colleges and universities worldwide, including 342 in North America.

OPNET Facilitating Standards Development for Wireless Networking

WASHINGTON, DC -- November 27, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT ), the leading provider of intelligent network management software, today announced that members of the Institute of Electrical and Electronics Engineers (IEEE) 802.11 Task Group E are developing a common simulation framework using OPNET Modeler software to evaluate standards proposals for wireless LAN quality of service (QoS).

OPNET Continues Aggressive Expansion With First Overseas Office

WASHINGTON, DC -- November 3, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT ), the leading provider of intelligent network management software, today announced the official opening of its first corporate office in Europe, as part of an aggressive international expansion designed to capitalize on growing worldwide demand for its software solutions.

OPNET Reports 76% Revenue Growth for Q2 2001

WASHINGTON, DC -- October 30, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT), the leading provider of intelligent network management software, today announced record setting financial results for the second fiscal quarter ended September 30, 2000. Revenue for the quarter was a record $7.8 million, an increase of 76% over the same quarter last year and 21% over the immediately preceding first quarter of fiscal 2001. Net income for the quarter increased sharply to $741,000, or $0.04 per share on a diluted basis, as compared to a net income of $61,000, or $0.00 per share on a diluted basis, in the same quarter of fiscal year 2000.

OPNET Technologies' Second Quarter Results Teleconference/Webcast Scheduled
for Monday, October 30, 2000

WASHINGTON, DC -- October 19, 2000 -- OPNET Technologies, Inc. (NASDAQ: OPNT) will hold an investor conference call on Monday, October 30, 2000, at 5:30 P.M. Eastern Standard Time to review financial results for the second quarter of fiscal 2001.

Marconi Introduces Advanced Network Modeling and Planning Software; Enables Service Providers to Optimize Network Resources by Predicting Behavior

PITTSBURGH -- September 11, 2000 -- Marconi (London: MNI), a global supplier of advanced communications solutions, today introduced its new ServiceOn Modeler -- advanced planning software designed to take the guess work out of network management.

OPNET Technologies Announces Next-Generation ERP Planning and Performance Optimization Software

WASHINGTON, DC -- August 30, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT), a provider of intelligent network management software, today announced the upcoming release of its ERP Network Assessment Module (ENAM), providing ERP administrators and IT managers with unprecedented predictive capability to prepare their IT infrastructures for successful ERP deployments. The announcement was made at OPNETWORK 2000, the company's fourth annual technology conference being held from August 28th through September 1st.

OPNET Technologies Hosts E-Business Infrastructure Management Exhibit at OPNETWORK 2000

WASHINGTON, DC -- August 29, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT), a provider of intelligent network management software, is staging the interOPNETwork technology exhibit at OPNETWORK 2000 to highlight the increasingly prominent role of the company's intelligent software in the planning and management of e-business infrastructures. OPNETWORK 2000, the company's fourth annual technology conference, is being held here from August 28th through September 1st.

OPNETWORK 2000 Commands Attention of Technology Industry, Shines Spotlight on Washington, DC

WASHINGTON, DC -- August 25, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT), a provider of intelligent network management software, is set to host OPNETWORK 2000, the company's fourth annual technology conference being held at the Ronald Reagan Building and International Trade Center from August 28th through September 1st .

OPNET Technologies Reports First Fiscal Quarter 2001 Results

WASHINGTON, DC -- August 9, 2000 -- OPNET Technologies, Inc. (NASDAQ:OPNT), today announced financial results for the quarter ended June 30, 2000. OPNET reported revenues of $6.4 million for the first fiscal quarter of 2001. This compares to $3.9 million for the same period last year.

OPNET Technologies, Inc. Announces Initial Public Offering of 4.0 Million Shares of Common Stock at $13.00 Per Share

WASHINGTON, DC -- August 2, 2000 -- OPNET Technologies, Inc. (Nasdaq: OPNT) today announced the pricing of an initial public offering of 4.0 million shares of Common Stock, all of which are being issued and sold by the Company, at a price of $13.00 per share.

OPNET Technologies Moves Corporate Headquarters to Maryland,Software Developer Increases Space Capacity to Accommodate Growth

WASHINGTON, DC -- July 10, 2000 -- OPNET Technologies, Inc., a provider of intelligent network management software, has signed a ten-year lease for 60,466 square feet of office space in a new retail and office complex under construction at 7255 Woodmont Avenue in Bethesda, Maryland.

SBC Helps Businesses Predict Impact of Network Decisions With Virtual Build-And-Manage Modeling

SAN ANTONIO, TX -- June 28, 2000 -- SBC Communications Inc. (NYSE: SBC) today announced availability of automated design and performance modeling services for complex enterprise networks. With the introduction of SBC Enterprise Designer, a new network modeling tool, SBC can help businesses manage network service levels and reduce the risk of negative performance impacts from new application and technology deployments.

Former CACI Executive Joins OPNET Technologies as Vice President of International Sales

WASHINGTON, DC -- June 27, 2000 -- OPNET Technologies, Inc., a developer of intelligent network management software, today announces that Joseph Lenz has joined the OPNET management team as vice president of international sales, bringing with him more than 20 years in the high-tech industry, including a four-year stint as president of simulation-software developer CACI Products Company.

OPNET Technologies Signs Japanese Distribution Pact With Mitsui

WASHINGTON, DC -- June 21, 2000 -- OPNET Technologies, Inc., a provider of intelligent network management software, and Mitsui & Co., Ltd. today announced a comprehensive distribution agreement, paving the way for Mitsui to distribute OPNET Modeler and IT DecisionGuru software throughout Japan via Mitsui's extensive sales channels.

OPNETWORK 2000, KOREA Highlights Growing Role for OPNET Solutions in Cellular, Optical Networking

WASHINGTON, DC -- June 16, 2000 -- OPNET Technologies, Inc., a provider of intelligent network management software, today headlined OPNETWORK 2000, KOREA, a technical symposium sponsored by Millennium Infosystems. The agenda featured a number of presentations discussing the use of OPNET software to design next-generation networks, including cellular and optical communications systems based upon IMT-2000 and MPLS technologies.

OPNET Technologies Earns SUPERQuest Award for Best E-Business Solution at SUPERCOMM 2000

WASHINGTON, DC -- June 7, 2000 -- OPNET Technologies, Inc., a provider of intelligent network management software, today received a SUPERQuest Award in recognition of its outstanding achievement in the implementation of network technologies. The presentation was made at a gala ceremony as part of the SUPERCOMM 2000 Conference and Exhibition being held in Atlanta. The third annual SUPERQuest Awards are sponsored by SUPERCOMM and CMP Media’s tele.com and Network Magazine.

IT DecisionGuru Selected As Best Of Show Finalist at Networld+Interop 2000 Las Vegas

WASHINGTON, DC -- May 9, 2000 -- OPNET Technologies was named a Finalist in the Network Performance Management Category of the Best of Show Awards competition at NetWorld+Interop 2000 Las Vegas by CMP’s InternetWeek and Network Computing editors.

OPNET Modeler 7.0, IT DecisionGuru 7.0 Now Available to Help Wireless Service Providers Optimize Network Performance

WASHINGTON, DC -- May 1, 2000 -- OPNET Technologies, Inc., a developer of predictive network-performance management software, today announced that Modeler 7.0 and IT DecisionGuru 7.0 are now available, offering wireless service providers an enhanced level of speed, scalability and reality in network simulations designed to predict the performance of wireless networks under a wide range of potential scenarios.

OPNET Technologies Delivers IP-Service Design and Optimization Solution for Internet and Application Service Providers

WASHINGTON, DC -- May 1, 2000 -- OPNET Technologies, Inc., a developer of intelligent network management software, today announced the availability of the Application Characterization Environment (ACE) for IT DecisionGuru 7.0. Paired with IT DecisionGuru, ACE provides application service providers (ASPs) and Internet service providers (ISPs) a virtual proving ground for end-to-end infrastructure design and optimization, with visual auto-analysis of the factors affecting end-user service levels.

OPNET Technologies Files Registration Statement for Proposed Initial Public Offering

WASHINGTON, DC -- March 16, 2000 -- OPNET Technologies, Inc. today announced that it has filed a registration statement with the Securities and Exchange Commission relating to the proposed initial public offering of its common stock. The shares will be offered by an underwriting group managed by Banc of America Securities LLC, Friedman Billings Ramsey, and Wit SoundView.

OPNET Modeler 7.0 Gives Network Designers Boost to Optimize Performance of Wireless Infrastructures

WASHINGTON, DC -- February 28, 2000 -- OPNET Technologies, Inc., a leading developer of Decision Support Software for networks and applications, today unveiled OPNET Modeler 7.0 with powerful innovations that significantly accelerate the simulation of wireless communication systems. OPNET Modeler is the first commercial discrete-event simulation software capable of running a single simulation in parallel on multiple CPUs that dynamically manages the simulation of transceiver links in wireless models, greatly reducing simulation run-times.

MIL 3, U.S. Air Force develop Tel-Scope Simulation System

WASHINGTON, DC -- February 7, 2000 -- MIL 3, Inc., a leading provider of decision-support software for networks and applications, today announces availability of Tel-Scope Version 2.1C for the United States Air Force. Tel-Scope is simulation-based decision-support software that provides users with insight into the impact that specific operational and combat activity will have on hostile communications networks.

MIL 3 Introduces Ground-breaking Solution for Visualizing and Optimizing E-Business Applications

WASHINGTON, DC -- January 31, 2000 -- MIL 3, Inc., a leading developer of Decision Support Software for e-business networks and applications, today unveiled IT DecisionGuru 7.0, the newest version of the company's flagship software that has been tailored for IT organizations and service providers facing the challenge of delivering networked application services. The software's groundbreaking advancements address the need to optimize the performance of existing applications as well as design robust infrastructures to meet the demands of tomorrow's e-business environments.

MIL 3 Accredited Consultant Program Launched to Provide Technical, Marketing Resources to Application and Network Specialists

WASHINGTON, DC -- January 31, 2000 -- MIL 3, Inc., the premier provider of software to manage the future of networks and applications, today announces the public inauguration of its MIL 3 Accredited Consultant (MAC) Program. The MAC Program provides IT consultants with the training and resources necessary to build profitable, value-added services for the design and deployment of distributed applications and enterprise networks.