Software Appliance Uniquely Suited to Small and Medium Size
               Business and Remote Office Monitoring

BETHESDA, Md., March 9, 2010 (GLOBE NEWSWIRE) -- OPNET Technologies,
Inc. (Nasdaq:OPNT), a leading provider of solutions for managing
applications and networks, today announced that its ACE Live Rover
software appliance for end-user experience monitoring is now available
for purchase online. Visitors can also request a product evaluation.

ACE Live Rover is an affordable and powerful software appliance that
automatically analyzes application performance problems to assist IT
staff in determining the root cause. It can be implemented in just
minutes to monitor end-user experience, measure end-to-end response
time, and troubleshoot application and network performance problems.

"ACE Live Rover offers breakthrough functionality at an exceptionally
low price and this low price point has enabled OPNET to introduce its
first product via an online, self-serve sales process," stated Marc
Cohen, OPNET Chairman and CEO. "Rover is particularly well suited to
enterprises with remote branch offices as a low-cost option for
extending enterprise-class application performance management into
those remote environments. ACE Live Rover is also an ideal solution for
small and medium businesses, enabling them to monitor all their users
and applications from their central data center or server farm. It
offers great ease of use, rich application and network management
capabilities, and low TCO."

Free trials are available through OPNET's website. In addition, ACE
Live Rover is also available through the online VMware Marketplace
sponsored by VMware, Inc.

Availability

ACE Live Rover is available now for online purchase from OPNET
Technologies, Inc. at http://www.opnet.com/ACE-Live-Rover

About OPNET Technologies, Inc.

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

OPNET, OPNET Technologies, Inc., and ACE Live 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.


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