The Audit Committee is responsible for reviewing the quarterly and annual financial statements and recommending their approval by the Board of Directors, and fulfills a similar function with respect to public offering documents, such as prospectuses. It also meets with the Company's independent auditors to, among other things, review with the auditors the effectiveness of the Company's internal controls and any other matters the auditors wish to bring to the Committee's attention. In addition, the Committee is responsible for the maintenance and control of the Company's "Whistle Blowing Policy".

Corporate Governance and Nominating Committee

The Company's Corporate Governance and Nominating Committee is responsible for reviewing the corporate governance practices of TVI and evaluating the same with reference to the Guidelines, recommendations of the Toronto Stock Exchange and others, along with responsibility for the review of the corporate governance practices of other peer group corporations and for identifying and recommending to the Board nominees suitable for election to the Board.

Compensation Committee

The Company's Compensation Committee is responsible for reviewing and recommending the annual compensation of the senior officers of the Company, and for oversight of the Company's compensation policies and practices. It also recommends all share option grants under the Option Plan.

Environmental, Heath and Safety Committee

The Company's Environmental, Health, and Safety Committee is responsible for reviewing the Company's practices with regard to the health and safety of all of its employees, as well as the care of the environment.