TYHEE GOLD CORP

Release: Series 13 Release 13 TSX Venture: TDC
Tyhee Gold Corp. Announces Positive Feasibility Study for
Yellowknife Gold Project, Northwest Territories
Vancouver, B.C. August 15, 2012 – Tyhee Gold Corp. (“Tyhee” or the “Company) (TSX-Venture: TDC) is pleased to announce the positive results from an independent Feasibility Study (“FS”) on its Yellowknife Gold Project (YGP) in Canada’s Northwest Territories. The Executive Summary of the full FS, prepared by SRK Consulting, Knight
Piésold and Lyntek Inc. out of their Denver, Colorado offices, will be available shortly on the Company’s website and on SEDAR (www.sedar.com.) A National Instrument 43-101-compliant summary of the FS will be available on the Company’s website and on SEDAR within 45 days. (All dollar ($) figures are in U.S. currency.)

Highlights @ $1400/oz. gold price1
NPV $ 216 million
CAPEX (incl. 10% contingency) $ 193 million
Avg. Annual gold production (first 8 years) 104,000 oz./yr.
Plant throughput (nominal) 4,000 tpd
Reserves:
Open Pit
Tonnes 17,633,000
Ounces gold 1,042,000
Grade 1.84 g/t
Underground
Tonne 2,801,000
Ounces gold 291,000
Grade 3.24 g/t
Mine life 15 years
Payback 42 months
Cash cost
LOM $854/ oz. gold
First 8 full years $797/ oz. gold
Operating Profit (pre-tax)
LOM $659 million
First 8 Years Avg. ˜ $60 million / yr.
1Approximate 36 month rolling average gold price.
Overview
At a base-case gold price of $1,400 per ounce (“/oz.”) and a projected 4,000 tonnes-per-day (“tpd”) processing plant comprised of a conventional gravity-flotation-cyanide process and incorporating open-pit and underground mining methods on the Ormsby, Bruce Lake, Clan Lake and Nicholas Lake deposits, the YGP is estimated to return a pretax net present value (“NPV”) at a 5% discount rate of approximately $216 million and an internal rate of return (“IRR”)