AUDIT COMMITTEE

The responsibilities and duties of the Audit Committee (the “Audit Committee”) of the board of directors of Thundermin are set out in the Audit Committee Charter.

Thundermin’s Audit Committee is composed of James W. Gill (Chairman), Charles E. Page and John M. Arnold. The board of directors of Thundermin believes that the composition of the Audit Committee reflects a high level of financial literacy and expertise. Each member of the Audit Committee has been determined by the board of directors of Thundermin to be “independent” and “financially literate” as such terms are defined under Multilateral Instrument 52-110 Audit Committees of the CSA. The board has made these determinations based on the education, professional qualifications and breadth and depth of experience of each member of the committee.

The policies and procedures adopted by the Audit Committee in respect of the engagement of Thundermin’s auditors in respect of non-audit services, being services other than audit services, are described in item 6 under the heading “Responsibilities” in the Audit Committee Charter.