THE CORPORATE LIBRARY

Related Party Transactions and Outside Related Director Information

RadiSys Corporation (RSYS)

4/6/2006 Proxy Information

Ken J. Bradley, a nominee for election as a director, was Chief Executive Officer from January 2003 until January 2005 and, until May 2005, was a 15% shareholder of CoreSim, Inc., a privately held Canadian company specializing in advanced systems design analysis and product lifecycle management. During 2005, the Company purchased approximately $206,300 of design and engineering services from CoreSim, which exceeds 5% of CoreSimÕs 2005 gross revenues. The Audit Committee of the Board of Directors has reviewed and approved the CompanyÕs transactions with CoreSim.

4/6/2005 Proxy Information

Ken J. Bradley, a nominee for election as a director, was Chief Executive Officer from January 2003 until January 2005 and a 15% shareholder of CoreSim, Inc., a privately held Canadian company specializing in advanced systems design analysis and product lifecycle management. During 2004, the Company purchased approximately $328,900 of design and engineering services from CoreSim, which exceeds 5% of CoreSimÕs 2004 gross revenues. The Audit Committee of the Board of Directors has reviewed and approved the CompanyÕs transactions with CoreSim.

4/6/2004 Proxy Information

Dr. Myers founded RadiSys Corporation in March 1987 and served as Chairman, President and Chief Executive Officer until 2002.

Ken J. Bradley, a nominee for election as a director, is also currently Chief Executive Officer and a 15% shareholder of CoreSim, Inc., a privately held Canadian company specializing in advanced systems design analysis and product lifecycle management. During 2003, the Company purchased approximately $35,000 of design and engineering services from CoreSim, which exceeds 5% of CoreSim's 2003 gross revenues. The Audit Committee of the Board of Directors has reviewed and approved the Company's transactions with CoreSim.

4/9/2003 Proxy Information

No related party transactions or special relationships reported for this company. Director relationships marked "Outside Related" at this firm will most often be former executives of the company. Additional information regarding these relationships will be added during our regular updates.