TSX Venture: TDC

Tyhee is pleased to report that all four drillholes returned significant gold values, including 6.422 grams of gold per tonne (gpt) over 6.6 metres (m) in diamond drillhole GL003, including 14.458 gpt gold over 2.7 m, and 11.435 gpt over 1.5 m in diamond drillhole GL002. Broader zones, up to 0.625 gpt gold over 34.9 m (GL001) were encountered.

Dr. D.R. Webb, President & CEO reports, "We are very pleased that the first diamond drillholes ever completed on the VAD Zone have returned such robust results. The geology was determined to be prospective, and preliminary work identified substantial zones of gold enrichment that returned very encouraging results. We feel we may have identified a new centre of mineralization that has never before been recognized." Tyhee has been consolidating properties in the Yellowknife Gold Belt, and has focused on internally generated prospects with significant gold potential. The results suggest the potential exists for a large tonnage Ormsby-style deposit in that the gold is hosted by a silicified, sulphidized and brecciated mafic body. The VAD Zone is 12 kilometres south of the Company's development-stage Yellowknife Gold Project.

	             From      To        Thickness  Gold Grade 	    DDH      (metres)  (metres)  (metres)   (gpt) 	    GL001        28.1      63.0       34.9       0.625 	      incl       38.2      63.0       24.8       0.755 	      incl       38.2      41.0        2.8       1.997 	      and        84.3      85.6        1.3        1.33 	      and       185.5     187.0        1.5       4.435 	    GL002        33.0      52.0       19.0       0.335 	      incl       39.5      40.9        1.4       1.017 	      and       106.0     107.5        1.5      11.435 	    GL003        16.6      17.8        1.2       4.014 	      and        31.5      34.7        3.2       1.418 	      incl       34.3      34.7        0.5       8.683 	      and        51.8      58.9        7.1       1.422 	      incl       51.8      53.1        1.3       3.916 	      and        58.0      58.9        0.9       5.418 	      and       133.0     134.3        1.3       1.265 	      and       176.3     183.0        6.6       6.422 	      incl      176.3     179.0        2.7      14.458 	    GL004         1.0       2.5        1.5       1.473 	      and        56.0      57.0        1.0       1.148 	    

Tyhee Development Corp. is a gold exploration and development company currently focused on the historic Yellowknife Gold Camp, NWT, Canada. It is the largest property holder in the historic camp, and has the largest exploration and development program underway in the region. Its principal asset is the advanced-stage Yellowknife Gold Project, which consists of 6,625 hectares (15,481 acres) of mining leases located 90 km (56 miles) north of Yellowknife, NWT, Canada. Additional gold properties have been acquired within the Yellowknife Gold Belt and exploration of these targets has commenced with the initial results confirming significant gold values over multiple metres on two of the three grassroots properties reported. Results from the third property are pending.

Tyhee completed fire assays on drill core samples using 30 gram aliquots with ICP-ES finish for gold analyses, prepared at Acme Analytical Laboratories Ltd. in Yellowknife, and finished at Acme Analytical Laboratories Ltd in Vancouver. A semi-quantitative multi-element analysis is run on 0.5 gm aliquot samples leached in a hot aqua regia solution and measured using ICP-ES techniques. Tyhee conducts a rigorous QA/QC program of inserting blanks and duplicates in the field and standards in the laboratory. The laboratory also conducted their own independent QA/QC program including inserting their own standards and rerunning samples from pulped material and reject material. These results were provided to Tyhee. All standards, duplicates, blanks and check assays returned acceptable results. Mr. V. Pratico, P.Geol., the designated QP within the meaning of NI 43-101, has reviewed this release and approves of its content.