Concurrent Announces New Version of Redhawk(TM) Real-Time Linux Operating System; RedHawk Linux Version 4.1 Armed for Enhanced Real-Time Applications Executing In Dual-Core Environments, On Display at LinuxWorld Boston Booth #834.

DULUTH, Ga. -- Concurrent (NASDAQ:CCUR), a leading provider of time-critical Linux(R) operating systems and integrated computer solutions for mission-critical applications, today announced the launch of a new version of its popular RedHawk real-time Linux operating system, RedHawk Linux 4.1. Upgraded features now provide increased support for time-critical Linux applications including full support for dual-core processing environments.

"Concurrent's RedHawk Linux platform is the de facto standard in real-time computing for those looking to stay ahead of the curve in this constantly evolving age of information delivery," said Steve Brosky, Chief Scientist of Real-Time Products for Concurrent. "We are continually enhancing RedHawk Linux to meet the demanding requirements of changing environments. RedHawk 4.1 is specifically suited to handle the complexities of dual/multi-core processors, empowering users to maximize the performance of their Linux applications."

Concurrent's RedHawk 4.1 features user-level components compatible with Red Hat(R) Enterprise Linux 4 and a kernel based on kernel.org 2.6.15.4, supporting both Intel Xeon(R) and AMD Opteron(TM) dual-core processors. RedHawk 4.1 has the capability to perform kernel crash dumps, remote debugging over Ethernet for distributed environments, enhanced priority inheritance for real-time mission-critical applications, and the latest NVIDIA driver for image generation. The upgraded operating system features reduced kernel debugging trace overhead to minimize impact to running applications.

About Concurrent

Concurrent (NASDAQ: CCUR) is a leading provider of high-performance, real-time Linux software and solutions for commercial and government markets. For 40 years Concurrent's best-of-breed products have enabled a range of time-critical solutions including: modeling and simulation, high speed data acquisition, visual imaging, low latency transaction processing and on-demand television. Concurrent's on-demand television applications are utilized by major service providers in the cable and IPTV industries to deliver video-on-demand (VOD). Concurrent is a global company with regional offices in North America, Europe, Asia and Australia, and has products actively deployed in more than 24 countries. Concurrent's products and services are recognized for being uniquely flexible, comprehensive, robust and reliable. For more information, please visit www.ccur.com.

Certain statements made or incorporated by reference in this release may constitute "forward-looking statements" within the meaning of the federal securities laws. Statements regarding future events and development 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. These forward looking statements include, among others, statements regarding our products, release schedules, and product development. All forward-looking statements are subject to certain risks and uncertainties that could cause actual events to differ materially from those projected. Such risks and uncertainties include our ability to meet release schedules and customer demands, accomplish development goals, integrate our products, and deploy integrated solutions.

Important risk factors are discussed in our Form 10-K filed with the Securities and Exchange Commission on Sept. 2, 2005 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.

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