Concurrent Debuts MHBOSS(TM) In North America.

Canadian Operator Videotron Chooses Concurrent Next-Generation Back Office Solution for Video-on-Demand Upgrade

ATLANTA -- Concurrent (Nasdaq: CCUR), a worldwide leader of on-demand technology that is shaping the future of television, today announced that Videotron, Quebec's largest integrated communications provider, has chosen Concurrent's MediaHawk Back Office Software Suite (MHBOSS) for the upgrade and expansion of their existing on-demand service. Videotron will test the system in their labs in January and February, with plans to launch the new back office later in 2008. This is the first North American MHBOSS shipment for Concurrent. Videotron is engaged in cable television, interactive multimedia development, Internet access services and wireless telephone service.

"When we began plans to upgrade our VOD system, we realized we needed a more scalable back office based on open standards," commented Alain Boissonnault, principal director, development of video technologies, Videotron. "Concurrent's new MHBOSS is highly scalable and supports any next-generation applications we may be considering for the future, such as time-shifted TV."

MHBOSS can be effortlessly extended to support any number of emerging applications. MHBOSS enables operators to upgrade systems and deploy new services without service interruptions; operators can deploy applications like time-shifted TV and nDVR in a phased manner due to MHBOSS's ability to scale. As more subscribers are added and on-demand utilization rises, the capacity of MHBOSS can be effortlessly increased by adding additional computing and storage modules. Any and all replications of data and load balancing are automatic and can occur when the system is operating at full capacity. Content libraries can be expanded and user generated content can be added without limit.

"MHBOSS was designed to look beyond traditional on-demand technology to next generation applications and services," said Gary Trimm, Concurrent's president and CEO. "We are pleased to partner with Videotron as we usher in a new era of on-demand products and services."

MHBOSS's open architecture also allows interoperability with multiple VOD server vendors and numerous software applications through industry standard interfaces like XML and SOAP, and provides web services for reporting, subscription management, billing and any other applications that require information from the back office. The highly modular architecture provides interfaces for advanced, more capable clients. MHBOSS is also designed for easy integration of OCAP applications.

Combining Concurrent's MediaHawk[R] 4500 video server, and its resilient streaming technology, with MHBOSS's software provides an incredibly reliable on-demand platform to operators, one which is nearly immune to equipment and environmental failures. Failover and load balancing are inherent and seamless. MHBOSS is also compatible with Concurrent's MediaHawk 4000 line of video servers.

About Concurrent

Concurrent (NASDAQ: CCUR) is a leading provider of high-performance, real-time Linux software and solutions for commercial and government markets. For over 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) and, through subsidiary company Everstream, measure the effectiveness of interactive television. Concurrent is a global company with regional offices in North America, Europe, Asia and Australia, and has products actively deployed in more than 26 countries. Concurrent's products and services are recognized for being uniquely flexible, comprehensive, robust and reliable. For more information, please visit www.ccur.com

About Videotron

Videotron Ltd. (www.videotron.com), a wholly owned subsidiary of Quebecor Media Inc., is an integrated communications company engaged in cable television, interactive multimedia development, Internet access services, cable telephony and wireless telephone service. Videotron is a leader in new technologies with its illico interactive television system and its broadband network, which supports high-speed cable Internet access, analog and digital cable television, and other services. As of September 30, 2007, Videotron was serving 1,616,000 cable television customers in Quebec, including 720,000 illico subscribers. Videotron is the Quebec leader in high-speed Internet access, with 899,000 subscribers to its cable modem service. As of September 30, 2007, Videotron had activated 39,000 phones on its wireless telephone service and was providing cable telephone service to nearly 574,000 Quebec households and organizations.

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 31 August 2007 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.

Concurrent Computer Corporation its logo and Everstream and its logo are registered trademarks of Concurrent Computer Corporation. All other Concurrent product names are trademarks of Concurrent while all other product names are trademarks or registered trademarks of their respective owners. Linux[R] is used pursuant to a sublicense from the Linux Mark Institute.