Radisys Corporation Names Vincent H. Tobkin to its Board of Directors

HILLSBORO, Ore. - May 14, 2012 -Radisys Corporation (NASDAQ: RSYS), a leading provider of embedded wireless infrastructure solutions, today announced the appointment of Vincent H. Tobkin to its board of directors. Mr. Tobkin brings a vast knowledge of the telecommunications industry and best of class business practices.

Mr. Tobkin is the owner of Tobkin Enterprises which is an advisor to several companies and management teams. Prior to this role, Mr. Tobkin was a senior advisor, director and global telecom/technology practice leader of Bain & Company. Mr. Tobkin was a general partner and co-founder of Sierra Ventures, a leading venture capital firm, and a partner at McKinsey & Company, as well as a leader of its high technology practice. Tobkin has been a director of Tellabs since 2010.

“We are extremely pleased to add Vincent to our board of directors. His expertise and background nicely complement our existing board members,” said Scott Gibson, Radisys Chairman. “His 20 year track record as a strategic consultant to telecom service providers and equipment manufactures brings a depth of understanding of our industry, customers and competition that will help Radisys with oversight of the execution and refinement of our strategy. In addition, his experience as a successful venture capitalist has demonstrated his skills in what it takes to produce winning teams and companies.”

“I am honored to join the Radisys board and look forward to helping management grow future revenues and profits as a result of their successful strategy,” said Vincent Tobkin. “The telecom industry is undergoing major changes which create attractive opportunities for agile and innovative companies like Radisys.”

Mr. Tobkin joined the board on May 11 and will be a member of the company’s Technology and Market Development Committee.

Mr. Tobkin holds an MBA and JD from Harvard University and both SB and SM degrees in electrical engineering, with a minor in economics from the Massachusetts Institute of Technology.

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.