EXHIBIT 31.1
CERTIFICATION
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I, T. Gary Trimm, certify that:
1. I have reviewed this quarterly report on Form 10-Q of Concurrent
Computer Corporation;
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;
3. Based on my knowledge, the financial statements, and other
financial information included in this report, fairly present in all
material respects the financial condition, results of operations and
cash flows of the registrant as of, and for, the periods presented in
this report;
4. The registrant's other certifying officer and I are responsible
for establishing and maintaining disclosure controls and procedures
(as defined in Exchange Act Rules 13a-15(e) and 15d-15(e)) and
internal control over financial reporting (as defined in Exchange Act
Rules 13a-15(f) and 15d-15(f)) for the registrant and have:
a) Designed such disclosure controls and procedures, or
caused such disclosure controls and procedures to be
designed under our supervision, to ensure that material
information relating to the registrant, including its
consolidated subsidiaries, is made known to us by others
within those entities, particularly during the period in
which this report is being prepared;
b) Designed such internal control over financial
reporting, or caused such internal control over financial
reporting to be designed under our supervision, to provide
reasonable assurance regarding the reliability of financial
reporting and the preparation of financial statements for
external purposes in accordance with generally accepted
accounting principles;
c) Evaluated the effectiveness of the registrant's
disclosure controls and procedures and presented in this
report our conclusions about the effectiveness of the
disclosure controls and procedures, as of the end of the
period covered by this report based on such evaluation; and
d) Disclosed in this report any changes in the
registrant's internal control over financial reporting that
occurred during the registrant's most recent fiscal quarter
that has materially affected, or is reasonably likely to
materially affect, the registrant's internal control over
financial reporting.
5. The registrant's other certifying officer and I have disclosed,
based on our most recent evaluation of internal control over financial
reporting, to the registrant's auditors and the audit committee of the
registrant's board of directors (or persons performing the equivalent
functions):
a) All significant deficiencies and material weaknesses in
the design or operation of internal control over financial
reporting which are reasonably likely to adversely affect
the registrant's ability to record, process, summarize and
report financial information; and
b) Any fraud, whether or not material, that involves
management or other employees who have a significant role in
the registrant's internal control over financial reporting.
Date: May 5, 2006
/s/ T. Gary Trimm
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Name: T. Gary Trimm
Title: President and Chief Executive Officer
(Principal Executive Officer)