Press Release

RadiSys To Present On 40G Platforms At The PICMG/P.R.C. Annual Conference

RadiSys to Detail Deployment Strategies for Next–Generation ATCA Platforms

HILLSBORO, Ore. — May 13, 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 participate in the PICMG/P.R.C. Annual Conference and China Industrial Development Forum to be held May 20, 2010 in Shanghai, China. Andy Tan, RadiSys senior field application engineer, will present on deployment strategies for next–generation ATCA platforms.

As customers increasingly use high–bandwidth applications and access media–rich content, service providers are looking for ways to meet growing network demands. RadiSys' ATCA 4.0 platforms will meet these usage demands in a cost–effective manner by leveraging service providers' existing resources while satisfying service requirements. Tan will detail the deployment strategies for service providers that will enable a smooth transition to 40G.

When: 8:30 a.m. – 4:30 p.m. CST, May 20, 2010
Where: PICMG/P.R.C. Annual Conference and China Industrial Development Forum
7th Floor
Sports Hotel Shanghai
No. 15, Nandan Road, Xuhui District
Shanghai, China P.R.C.
What: Andy Tan to present “RadiSys' Next–Gen Strategy: 40G Platforms for Optimized Service”

To meet with RadiSys at the PICMG/P.R.C. Annual Conference and China Industry Development Forum, contact info@radisys.com.

About RadiSys

RadiSys (NASDAQ: RSYS) is a leading provider of innovative hardware and software platforms for next generation IP-based wireless, wireline and video networks. RadiSys products include its market leading ATCA and IP Media Server platforms as well as application software for new IP-based communications services. These products enable customers to bring more new high-value applications and services to market faster with a lower investment. RadiSys products are used in a wide variety of applications including 3G/4G/LTE wireless voice, data and video, Femtocell, VoIP and Video over IP communications and conferencing, Voice Quality Enhancement (VQE), and secure defense communications. For more information, visit http://www.radisys.com, write to info@radisys.com, or call 800-950-0044 or 503-615-1100. Editors seeking more information may contact Lyn Pangares at RadiSys Corporation at 503-615-1220 or lyn.pangares@radisys.com.