Radisys Achieves ITAR Compliance To Allow Full Participation As An Approved U.S. Mil/Aero Solutions Supplier

ITAR registration and compliance demonstrates Radisys’ commitment to providing the defense industry with best-of-breed Mil/Aero solutions.

HILLSBORO, ORE.-March 10, 2011- Radisys® Corporation (NASDAQ: RSYS), a leading provider of innovative hardware and software platforms for next generation IP-based wireless, wireline video networks and embedded computing building blocks, today announced that the company has registered and is in compliance with International Traffic in Arms Regulations (ITAR) administered by the United States Department of State Directorate of Defense Trade Controls (DDTC). As an ITAR-registered company, Radisys has implemented a comprehensive compliance program to safeguard the technical data of our military, aerospace and homeland security customers in the United States and perform related defense services. Radisys, through this compliance, has expanded its potential customer base for industry-leading, commercial off-the-shelf (COTS) support systems to include ITAR-regulated programs.

“By achieving ITAR compliance, Radisys has further strengthened its position as an embedded industry leader and demonstrated its commitment to providing the defense industry with best-of-breed, COTS-based solutions built on open standards,” said Keate Despain, general manager, Commercial Business Unit, Radisys. “ITAR compliance builds on Radisys’ seasoned experience working with equipment manufacturers around the world and opens new opportunities to deliver field-proven systems that significantly reduce defense customers development costs and improve time-to-market with cutting edge 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.