Concurrent Expands Relationship With Lockheed Martin; Concurrent iHawk Chosen by Lockheed Martin to Serve as Simulation Host.

ATLANTA -- Concurrent Computer Corporation (NASDAQ: CCUR), a leading provider of integrated computer solutions for mission-critical applications, today announced that its high-performance iHawk(TM) multiprocessor systems running Concurrent's real-time RedHawk(TM) Linux(R) operating system and its ImaGen(TM) image generation (IG) solution will be used by Lockheed Martin (NYSE: LMT). Lockheed Martin was chosen by the U.S. Navy to develop and build a new fleet of presidential US101 helicopters. Concurrent's high-performance iHawk multiprocessor system will serve as the real-time simulation host in the building of the fleet.

The iHawk is Concurrent's high-performance, PCI-based, commercial-off-the-shelf (COTS) computer platform for time-critical data acquisition, simulation, and industrial systems applications. At the heart of each iHawk system is Concurrent's RedHawk Linux real-time operating system. Compatible with the popular Red Hat(R) Linux distribution, RedHawk Linux features high I/O throughput, fast response to external events, and optimized interprocess communication. Concurrent's iHawk platform is used by leading aerospace and defense companies worldwide. A proven, reliable platform, the iHawk is a platform to simulate real-world missions for the purpose of pilot flight training, weapons training, battle mission planning, driving simulation, and visual systems.

Concurrent's ImaGen platform features the latest, industry-standard components from leading graphics suppliers, ensuring that application developers will have access to the best possible COTS IG solutions. ImaGen servers feature multiple Intel(R) Xeon(TM) or AMD Opteron(TM) processors and a range of tower or rackmount enclosures. Typical ImaGen imaging applications include civil and military simulation, mission planning, homeland security, scientific and medical visualization, architectural design, energy exploration and entertainment.

iHawk systems also support Concurrent's powerful set of NightStar(TM) development tools. Users can schedule, monitor, debug, and analyze their real-time applications on iHawk multiprocessor systems or remotely from a desktop PC or laptop. Each tool runs on the iHawk target system in a non-intrusive manner, thus preserving the deterministic characteristics of the real-time application. NightStar tools are specifically designed to allow integrators to intelligently identify problems early in the project life cycle - and correct them faster.

"We congratulate Lockheed Martin in the win of a fiercely competitive contract bid," said Warren Neuburger, Concurrent Chief Operating Officer. "We are honored that Lockheed has once again chosen Concurrent to deliver the highly deterministic technology solutions required for such mission-critical applications and are proud that our real-time solutions play a role in support of our national defense."

For more information about Lockheed Martin, please visit www.lockheedmartin.com.

About Concurrent

Since 1966, Concurrent (www.ccur.com), headquartered in Duluth, Georgia, has been a premier provider of solutions that fulfill real-time expectations for commercial and government markets. The company's high performance computing solutions and software are utilized in strategic market areas that include hardware-in-the-loop and man-in-the-loop simulation, process control, and data acquisition. Concurrent is also a recognized leader in the digital cable market, with Video-On-Demand systems deployed worldwide by major broadband operators. Its proven technology is based on open standards and provides a flexible, comprehensive and robust solution for HFC, DSL, and IP-based networks. Concurrent has nearly four decades of experience in high-performance, on-demand, mission-critical solutions and provides its best of breed solutions through offices in North America, Europe, Asia, and Australia.

Certain statements made or incorporated by reference in this release may constitute "forward-looking statements" within the meaning of the federal securities laws. When used or incorporated by reference in this release, the words "believes," "expects," "estimates," "anticipates," and similar expressions are intended to identify forward-looking statements. Statements regarding future events and developments and our future performance, as well as our expectations, beliefs, plans, estimates, or projections relating to the future, are forward-looking statements within the meaning of these laws. All forward-looking statements are subject to certain risks and uncertainties that could cause actual events to differ materially from those projected. The risks and uncertainties which could affect our financial condition or results of operations include, without limitation: our ability to keep our customers satisfied; availability of video-on-demand content; delays or cancellations of customer orders; changes in product demand; economic conditions; various inventory risks due to changes in market conditions; uncertainties relating to the development and ownership of intellectual property; uncertainties relating to our ability and the ability of other companies to enforce their intellectual property rights; the pricing and availability of equipment, materials and inventories; the concentration of our customers; failure to effectively manage change; delays in testing and introductions of new products; rapid technology changes; system errors or failures; reliance on a limited number of suppliers; uncertainties associated with international business activities, including foreign regulations, trade controls, taxes, and currency fluctuations; the highly competitive environment in which we operate and predatory pricing pressures; failure to effectively service the installed base; the entry of new well-capitalized competitors into our markets; the success of new products in both the VOD and ISD divisions; the availability of Linux software in light of issues raised by SCO Group; capital spending patterns by a limited customer base; and obligations that could impact revenue recognition.

Other important risk factors are discussed in our Form 10-K filed with the Securities and Exchange Commission on Sept. 7, 2004 and may be discussed in subsequent filings with the SEC. The risk factors discussed in such Form 10-K under the heading "Risk Factors" are specifically incorporated by reference in this press release. Our forward-looking statements are based on current expectations and speak only as of the date of such statements. We undertake no obligation to publicly update or revise any forward-looking statement, whether as a result of future events, new information, or otherwise.

Note to Editors: For additional company or product information from Concurrent, please contact Concurrent, 4375 River Green Parkway, Suite 100, Duluth, GA 30096. Call toll free in the U.S. and Canada at [phone], fax [phone]. Readers can also access information through the company's Web site at www.ccur.com.

Concurrent Computer Corporation, its logo iHawk, ImaGen, NightStar and RedHawk are registered and unregistered trademarks of Concurrent Computer Corporation. All other product names are trademarks or registered trademarks of their respective owners.