Exhibit 31
Certification
Pursuant to Section 302 of the Sarbanes-Oxley Act of 2002
I, Geoffrey A. Burns, certify that:
1. I have reviewed this annual report on Form 40-F of Pan American
Silver Corp.;
2. Based on my knowledge, this annual 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 annual report;
3. Based on my knowledge, the financial statements, and other financial
information included in this annual 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 annual 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) 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 annual report is being
prepared;
b. 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
c. Disclosed in this report any change in the registrant's
internal control over financial reporting that occurred during
the period covered by the annual report that has materially
affected, or is reasonably likely to materially affect, the
registrant's internal control over financial reporting; and
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 registrant's board of directors (or persons performing
the equivalent function):
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
issuer'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 issuer's
internal control over financial reporting.
Date: March 31, 2005 /s/ Geoffrey A. Burns
------------------------------
By: Geoffrey A. Burns
Title: Chief Executive Officer
I, A. Robert Doyle, certify that:
1. I have reviewed this annual report on Form 40-F of Pan American
Silver Corp.;
2. Based on my knowledge, this annual 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 annual report;
3. Based on my knowledge, the financial statements, and other financial
information included in this annual 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 annual 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) 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 annual report is being
prepared;
b. 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
c. Disclosed in this report any change in the registrant's
internal control over financial reporting that occurred during
the period covered by the annual report that has materially
affected, or is reasonably likely to materially affect, the
registrant's internal control over financial reporting; and
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 registrant's board of directors (or persons performing
the equivalent function):
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
issuer'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 issuer's
internal control over financial reporting.
Date: March 31, 2005 /s/ A. Robert Doyle
--------------------------------
By: A. Robert Doyle
Title: Chief Financial Officer