CERTIFICATIONS REQUIRED
BY RULE 13a-14(a) OR RULE 15d-14(a)

I, Ian S. Walton, certify
that:

| | 1. | I have reviewed this annual report on Form 40-F of Aurizon Mines
Ltd. (the “Issuer”);
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| | 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;
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| | 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 Issuer as of, and for, the periods presented in this report;
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| | 4. | The Issuer’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 Issuer and have:
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| | (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 Issuer,
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) | 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) | Evaluated the effectiveness of the Issuer’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) | Disclosed in this report any change in the Issuer’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 Issuer’s internal control over financial reporting; and
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| | 5. | The Issuer’s other certifying officer and I have disclosed, based on our most recent evaluation
of internal control over financial reporting, to the Issuer’s auditors and the audit committee of the Issuer’s board
of directors (or persons performing the equivalent functions):
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| | (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
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| | (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.
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/s/ Ian S. Walton ________________________________________
Ian S. Walton
Executive Vice-President and Chief Financial Officer

April 1, 2013