Radisys Corporation Appoints Niel Ransom To Its Board Of Directors

HILLSBORO, Ore. — August 26, 2010 — Radisys® Corporation (NASDAQ: RSYS), a leading provider of innovative hardware and software platforms for next generation IP–based wireless, wireline and video networks, announced today that Niel Ransom has been appointed to its Board of Directors.

Mr. Ransom is a principal of Ransomshire Associates, Inc., an advisory firm he founded in 2005 where he is active in consulting with senior management of both public and private companies on matters related to technology, strategy and business growth and development.

Prior to joining Radisys, from 2002 to 2005, Mr. Ransom was worldwide Chief Technology Officer and a member of the Executive Committee of Alcatel, a leading worldwide provider of telecommunications equipment and services, where he was responsible for research, corporate strategy, intellectual property and R&D investment. Prior to that, he served in a variety of capacities for Alcatel, including the Chief Technology Officer of Alcatel Americas, the VP of Strategic Planning and the VP/GM of advanced systems. Earlier in his career, Mr. Ransom directed the Advanced Technology Systems Center at BellSouth and led various development and applied research organizations in voice and data switching at Bell Laboratories. Mr. Ransom holds a Ph.D. in electrical engineering from the University of Notre Dame, BSEE and MSEE degrees from Old Dominion University, and an MBA from the University of Chicago.

“We are extremely pleased to add someone of Niel’s experience and background to our Board of Directors,” said Scott Grout, Radisys’ President and CEO. “He brings significant breadth and depth of knowledge of global networks and applications that will be highly valuable to Radisys and our strategic direction.”

Additionally Mr. Ransom was appointed as Chairman of the Radisys Board’s newly established Technology and Market Development Committee, which will work with senior management to evaluate potential strategic areas of growth and development and provide guidance to the Board in these areas.

Mr. Ransom also serves as a board member of DesignArt Networks, a provider for LTE, WiMAX or HSPA RAN equipment; Cyan Optics, a provider of packet–optical transport platforms; Polatis, a provider of high performance optical switch solutions in optical communications; Kbro, a leading CATV operator in Taiwan, and MultiPhy, a provider of integrated circuits for high–speed optical communications. During his career, Mr. Ransom has been a member of the board of directors for ten public and private companies.

About Radisys

Radisys (NASDAQ: RSYS), a global leader in open telecom solutions, enables service providers to drive disruption with new open architecture business models. Radisys’ innovative disaggregated and virtualized enabling technology solutions leverage open reference architectures and standards, combined with open software and hardware to power business transformation for the telecom industry, while its world-class services organization delivers systems integration expertise necessary to solve communications and content providers’ complex deployment challenges.

Radisys, Continuous Computing and Trillium are registered trademarks of Radisys Corporation.