opnet
Press release

OPNET Technologies' Third Quarter Results Teleconference/WebCast Scheduled for Monday, January 29, 2001

WASHINGTON, DC -- January 16, 2001 -- OPNET Technologies, Inc. (Nasdaq: OPNT) will hold an investor conference call on Monday, January 29, 2001 at 5:30pm Eastern Standard Time to review financial results for the third quarter of fiscal 2001.

To listen to the OPNET investor conference call as it happens:

  • Call 800-633-8528 in the U.S. or 212-346-6384 for international callers (both are listen only), or
  • Use the webcast at www.vcall.com; click on OPNT under "Today's Vcalls." Investors are advised to go to the web site at least 15 minutes early to register, download, and install any necessary audio software.

To listen to the archived call:

  • Call the replay phone number at 800-633-8284 in the U.S. or 858-812-6440 for international callers. For replay, enter reservation number 17525041. The replay will be available from 7:30pm Eastern Standard Time on January 29 until 7:30pm Eastern Standard Time on February 1.
  • Alternatively, the webcast is available at www.vcall.com; search on "OPNT." The call will be archived for 7 days.
The third quarter of fiscal 2001 financial results will be released after the market closes on Monday, January 29, 2001.

About OPNET Technologies, Inc.

The OPNET family of intelligent network management software enables customers to optimize the performance and maximize the availability of communications networks and networked applications. The OPNET product suite combines predictive simulation and a comprehensive understanding of networking technologies to enable network professionals to more effectively design and deploy networks, diagnose network and application performance problems, and predict the impact of proposed network modifications. For more information about the company and its products, visit 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