BETHESDA, Md., Aug. 28, 2008 (GLOBE NEWSWIRE) -- OPNET Technologies, Inc. (NasdaqGS:OPNT - News), a leading provider of solutions for managing networks and applications, today announced that there are approximately 1,800 participants in its annual technology conference, OPNETWORK(r) 2008. This is the 12th edition of the event, which focuses on managing network and application performance.

The event is being held August 25 - 29 at the Ronald Reagan Building in Washington, D.C. The conference will feature over 775 hours of sessions covering a wide range of topics including application performance management; network planning, engineering, and operations; and network R&D.

 Distinguished guests and speakers include:
 * Marty Smith, Chief Information Technology Officer, ChoicePoint;
 * Rick Miller, Director, Global Network Services, Medtronic, Inc.;
 * Deepak Kakadia, Distinguished Member of Technical Staff and IP
   Network Architect, Verizon Wireless;
 * Michael Biddick, Contributing Editor for Network Computing, and CTO
   and Executive Vice President, Solutions for Windward IT Solutions;
 * Technologist and author Jeff Doyle, President, Jeff Doyle and
   Associates;
 * Industry analyst Dennis Drogseth, Vice President, Enterprise
   Management Associates;
 * Peter Sevcik, President of NetForecast and founder of the Apdex
   Alliance.

Additional information is available through OPNET's website at http://www.opnet.com/opnetwork2008/

About OPNET Technologies, Inc.

Founded in 1986, OPNET Technologies, Inc. (NasdaqGS:OPNT - News) is a leading provider of software for managing networks and applications. For more information about OPNET and its products, please visit http://www.opnet.com.

OPNET and OPNET Technologies, Inc. are trademarks of OPNET Technologies, Inc. All other trademarks are the property of their respective owners.

Statements in this press release that are not purely historical facts may constitute forward-looking statements as defined in the Private Securities Litigation Reform Act of 1995. OPNET Technologies, Inc. (``OPNET'') assumes no obligation to update statements. Forward-looking statements are predictions based upon information available to OPNET as of the date of this press release and involve risks and uncertainties; therefore, actual events or results may differ materially. For a discussion of risk factors, see OPNET's reports, including its most recent 10-Q and 10-K, filed with the Securities & Exchange Commission.

         OPNET Technologies, Inc.
         Media Contact:
         Margarita Castillo
           (240) 497-3000
           Media@opnet.com
         Investor Relations:
         Mel F. Wesley
           (240) 497-3000
           ir@opnet.com