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1.
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I
have
reviewed this annual report on Form 10-K of Trimble Navigation Limited;
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2.
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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;
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3.
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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;
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4.
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The
registrant’s other certifying officer(s) 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:
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a)
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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;
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b)
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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;
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c)
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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
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d)
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Disclosed
in
this report any change in the registrant’s internal control over financial
reporting that occurred during the registrant’s most recent fiscal quarter
(the registrant’s fourth fiscal quarter in the case of an annual report)
that has materially affected, or is reasonably likely to materially
affect, the registrant’s internal control over financial reporting; and
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5.
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The
registrant’s other certifying officer(s) 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):
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a)
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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
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b)
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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.
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Date:
March
10,
2006
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/s/
Steven
W. Berglund
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Steven
W.
Berglund
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Chief
Executive Officer
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