Radisys To Present On 4G Network Opportunities At Light Reading LTE Virtual Event

Radisys to highlight benefits of LTE-ready, integrated ATCA platform solution.

HILLSBORO, Ore. — May 27, 2010 — Radisys® Corporation (NASDAQ: RSYS), a leading provider of innovative hardware and software platforms for next generation IP–based wireless, wireline and video networks, today announced it will share its ATCA expertise at the upcoming Light Reading LTE Virtual Event to be held June 3, 2010. This one–day virtual conference will explore both the barriers and opportunities presented by LTE deployment, covering subjects such as spectrum, device profiles, network deployment, applications and business models.

Radisys’ LTE experts will demonstrate how a pre–integrated, application–ready platform will meet the demands of next–generation LTE infrastructures. Experts from Aricent®, a global innovation, technology and services company focused exclusively on communications, will also be on hand in the Radisys virtual booth to answer questions about the companies’ joint LTE solutions.

Chandresh Ruparel, Radisys senior product line manager, will participate on the following panel:

The Applications & Services Opportunity with LTE/4G

Widespread deployment of 3G networks underpins the tremendous innovation currently occurring in mobile Internet applications and services. LTE/4G technology should further increase the opportunities available to developers, users, operators and device markets, due to characteristics such as lower latency, quality of service, higher bandwidths and the all–IP system architecture. Combined with open network APIs, subscriber data management and business model innovation, this session will examine the fundamental link between service innovation and 4G 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.