OPNET Application Performance Management (APM) Solutions Verified As Citrix Ready

BETHESDA, MD – February 16, 2011-- OPNET Technologies, Inc. (NASDAQ: OPNT), a leading provider of solutions for application and network performance management, today announced that its APM Xpert solution suite has been verified as Citrix Ready®. The Citrix Ready program helps customers identify third-party solutions that are recommended to enhance virtualization, networking and cloud computing solutions from Citrix. OPNET completed a rigorous verification process to ensure compatibility with Citrix XenApp™ and Citrix XenDesktop®, providing confidence in joint solution compatibility.

“Application availability and responsiveness is extremely important to our customers,” said John Fanelli, vice president of solutions and community marketing, Citrix.  ”OPNET APM has verified support for Citrix XenDesktop and Citrix XenApp to enable enterprises to keep their applications running smoothly.  We are pleased to work closely with OPNET to help IT organizations achieve this goal.”

Using OPNET’s APM suite, Citrix customers can:

• Monitor end user experience in real time, 24x7
• Trace user sessions through all application tiers in production environments
• Pinpoint the root cause of performance problems
• Maintain visibility by decoding the ICA protocol
• Identify application component and infrastructure issues that affect performance
• Compare performance among users and among office locations
• Monitor individual user sessions connecting to databases
• Proactively estimate the impact of infrastructure changes on Citrix performance

“Citrix is a leader in virtual computing, so there is a strong and steadily increasing demand for application performance management solutions designed to understand the Citrix infrastructure. Achieving Citrix Ready status furthers OPNET’s High Definition APM strategy, which empowers our clients to understand user behavior, rapidly solve performance problems, and improve IT efficiency,” said PJ Malloy, Senior Vice President of Research & Development at OPNET.

About the Citrix Ready Program
The Citrix Ready program identifies verified solutions that are trusted to enhance virtualization, networking and cloud computing solutions from Citrix, including Citrix® XenDesktop®, XenAppTM, XenServer®, NetScaler® and GoToMeeting®. The Citrix Ready designation is awarded to third party products that have successfully met verification criteria set by Citrix, and gives customers an added confidence in the compatibility of the joint solution offering. The Citrix Ready program leverages industry-leading alliances across the Citrix partner eco-system to meet a wide variety customer needs, and currently incorporates over 2,800 partners who have demonstrated more than 18,000 product verifications. It also includes the Citrix Ready Community Verified program which allows customers to see thousands of products that have been verified by other customers to work in their production environments. The Citrix Ready program received the Alliance Excellence Award from the Association of Strategic Alliance Professionals (ASAP) for creating a strong community through implementation of new, innovative best practices. More information about the Citrix Ready program can be found at www.citrix.com/citrixready. Reach Citrix ready using social media via the Citrix Ready blog site and Twitter.

About OPNET Technologies, Inc.
Founded in 1986, OPNET Technologies, Inc. (NASDAQ:OPNT) is a leading provider of application and network performance management solutions. For more information about OPNET and its products, visit www.opnet.com.

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

Citrix®, Citrix Ready®, XenDesktop®, XenApp™, are trademarks of Citrix Systems, Inc. and/or one or more of its subsidiaries, and may be registered in the U.S. Patent and Trademark Office and in other countries. All other trademarks and registered trademarks are 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 such statements. Forward-looking statements, including statements regarding the impact of enhancements to our APM product portfolio or our competitive position and statements concerning expected revenue and diluted net income per common share and Non-GAAP diluted net income per common share for the fourth quarter of fiscal 2011, 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. Factors that may cause OPNET's actual results, levels of activity, performance or achievements to be materially different from any future results, levels of activity, performance or achievements expressed or implied by such forward-looking statements include, among others, those factors listed under the caption "Risk Factors" in OPNET's Annual Report on Form 10-K for the fiscal year ended March 31, 2010, as filed with the Securities and Exchange Commission on June 4, 2010, as updated from time to time in subsequent SEC filings. The risk factors set forth in the Company’s Form 10-K under the caption “Risk Factors,” as updated from time to time in subsequent SEC filings, are specifically incorporated by reference into this press release. The Company undertakes no obligation to publicly update or revise any forward-looking statements, whether as a result of new information, future events or otherwise.

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Note to editors: The word OPNET is spelled with all upper-case letters.