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) is a leading provider of embedded wireless infrastructure solutions for telecom, aerospace, defense and public safety applications. Radisys’ market-leading ATCA, IP Media Server and COM Express platforms coupled with world-renowned Trillium software, services and market expertise enable customers to bring high-value products and services to market faster with lower investment and risk. Radisys solutions are used in a wide variety of 3G & 4G / LTE mobile network applications including: Radio Access Networks (RAN) solutions from femtocells to picocells and macrocells, wireless core network applications, Deep Packet Inspection (DPI) and policy management; conferencing and media services including voice, video and data, as well as customized mobile network applications that support the aerospace, defense and public safety markets.

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