Exhibit 99.1
Radisys Corporation
Companies Included in the Radford Executive Survey Market Cut
| ADVANCED ENERGY INDUSTRIES | EXTREME NETWORKS | PHOTRONICS |
| ADVENT SOFTWARE | FUSION-IO | POWER INTEGRATIONS |
| ALASKA COMMUNICATIONS SYSTEMS | GLOBECOMM SYSTEMS | PROGRESS SOFTWARE |
| ALPHA & OMEGA SEMICONDUCTOR | GUIDEWIRE SOFTWARE | QAD |
| AMERICAN SCIENCE & ENGINEERING | HUTCHINSON TECHNOLOGY | RAMBUS |
| ANRITSU | INFINERA | REALNETWORKS |
| APPLIED MICRO CIRCUITS | INTERACTIVE INTELLIGENCE | ROSETTA STONE |
| ASPEN TECHNOLOGY | INTRALINKS | RUDOLPH TECHNOLOGIES |
| ATMI | IRIDIUM SATELLITE | SEMTECH |
| AVIAT NETWORKS | IXIA | SERVICE-NOW.COM |
| AXCELIS TECHNOLOGIES | KOFAX | SERVICESOURCE |
| BLACKBAUD | LATTICE SEMICONDUCTOR | SHORETEL |
| CABOT MICROELECTRONICS | M/A-COM TECHNOLOGY SOLUTIONS | SILICON IMAGE |
| CALIX | MANHATTAN ASSOCIATES | SMSC |
| CAVIUM | MARKEM-IMA JE | SONUS NETWORKS |
| COGNEX | MELLANOX TECHNOLOGIES | SYMMETRICOM |
| COHU | MERCURY COMPUTER SYSTEMS | TELENAV |
| COMMVAULT SYSTEMS | MICREL SEMICONDUCTOR | TESSERA TECHNOLOGIES |
| COMSCORE | MONOLITHIC POWER SYSTEMS | THE ACTIVE NETWORK |
| CRAY | NETSCOUT SYSTEMS | TIVO |
| DATALINK | NETSUITE | TOPPAN PHOTOMASKS |
| DEALERTRACK | NOVATEL WIRELESS | TYLER TECHNOLOGIES |
| ELECTRO SCIENTIFIC INDUSTRIES | OCLARO | ULTRA CLEAN TECHNOLOGY |
| ENTROPIC COMMUNICATIONS | PEGASYSTEMS | VICOR |
| EPSON ELECTRONICS AMERICA - SJ | WEBSENSE | |
| EXACTTARGET | ||