Exhibit 31.1
CERTIFICATIONS
I, Brian Bronson, certify that:
1. I have reviewed this Amendment No. 1 to Annual Report on Form 10-K/A of Radisys Corporation for the fiscal year ended
December 31, 2012; and
2. Based on my knowledge, this report does not contain any untrue statement of a material fact or omit to state a material fact
necessary to make the statements made, in light of the circumstances under which such statements were made, not misleading with respect to the period covered by this report.
| RADISYS CORPORATION | |||
| Date: April 26, 2013 | By: | /s/ Brian Bronson | |
| Brian Bronson | |||
| Chief Executive Officer, President, and Director | |||