opnet
Press release

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.

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

  • Call 800-670-3543 in the U.S., or 212-346-6409 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: 800-633-8284 or 858-812-6440. For replay, enter reservation number 16628221. The replay will be available from 7:30 P.M. Eastern Standard Time on October 30 until 7:30 P.M. Eastern Standard Time on November 2.
  • Use the webcast at www.vcall.com; search on "OPNT." The call will be archived for 90 days.

The second quarter of fiscal 2001 financial results will be released after the market closes on Monday, October 30, 2000.

###

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