Canada - Head Office 6190 Agronomy Road Suite 405 Vancouver, British Columbia V6T 1Z3 Canada Tel: (604) 822-0301 Fax: (604) 822-0302 Stock Listing TSX Toronto Stock Exchange: CTI OTC Bulletin Board: CHKT

Corporate Counsel K&L Gates 925 Fourth Avenue Suite 2900 Seattle, WA 98104-1158 United States Tel: (206) 623-7580 Fax: (206) 370-6291 McCarthy Tétrault LLP. 777 Dunsmuir Street Suite 1300 P.O. Box 10424 Pacific Centre Vancouver, British Columbia V6C 2T6 Canada Tel: (604) 643-7100 Fax: (604) 643-7900

Auditor M.D. Sassi Company 425 Market Street Suite 2200 San Francisco, CA 94105 United States Tel: (415) 617-1550 Fax: (415) 397-6309

Transfer Agent and Registrar Computer Share Trust Company 800 - 350 Indiana St. Goldon, CO 80401 USA Tel: (303) 262-0600