Tyhee reports Ormsby Zone diamond drill results, highlights include 5.107 gpt over 18.0 m, and 4.190 gpt gold over 17.3 m



    TSX Venture: TDC

    VANCOUVER, Jan. 17 /CNW/ - Tyhee Development Corp. (TSX Venture, TDC)
(the "Company") today announced results from an additional 50 diamond
drillholes from the Ormsby Zone, Yellowknife Gold Project. The results were
favourable with 41 of the holes reporting significant gold mineralization. Two
significant holes, NDM447 4.140 grams per tonne (gpt) gold over
17.3 metres (m) and NDM478 (5.107 gpt gold over 18.0 m) were collared at the
northern-extremity of the Ormsby Zone.
    A complete listing of the significant drillhole results is posted on
Tyhee's website at www.tyhee.com along with the location of the drillhole
collars. Several selected holes are presented below.

    
    Table 1. Recent results from the Ormsby Zone.
    -------------------------------------------------------------------------
    Diamond            From            To        Width            Gold Grade
    Drillhole       (metres)      (metres)     (metres)     (grams per tonne)
    -------------------------------------------------------------------------
    NDM432            229.5         240.0         10.5                 2.802
    -------------------------------------------------------------------------
    NDM433            116.5         119.0          2.5                 9.184
    -------------------------------------------------------------------------
    NDM438            120.0         122.0          2.0                 6.299
    -------------------------------------------------------------------------
                      206.0         211.3          5.3                 8.414
    -------------------------------------------------------------------------
    NDM441             77.0          83.5          6.5                 4.780
    -------------------------------------------------------------------------
    NDM443            107.0         108.0          1.0                11.514
    -------------------------------------------------------------------------
    NDM444             76.5          77.5          1.0                12.793
    -------------------------------------------------------------------------
                       83.5          85.0          1.5                 5.896
    -------------------------------------------------------------------------
                       93.9          96.3          2.4                 5.160
    -------------------------------------------------------------------------
    NDM445             91.5          94.5          3.0                 3.997
    -------------------------------------------------------------------------
    NDM447            203.6         209.3          5.7                 4.078
    -------------------------------------------------------------------------
                      246.0         263.3         17.3                 4.190
    -------------------------------------------------------------------------
    NDM448             98.0          99.0          1.0                 9.025
    -------------------------------------------------------------------------
    NDM449             51.0          60.0          9.0                 2.919
    -------------------------------------------------------------------------
    NDM450            341.0         345.0          4.0                11.449
    -------------------------------------------------------------------------
    NDM451            254.0         257.0          3.0                 7.168
    -------------------------------------------------------------------------
    NDM454             63.0          64.0          1.0                10.010
    -------------------------------------------------------------------------
                       94.5          96.5          2.0                10.916
    -------------------------------------------------------------------------
    NDM455             38.5          41.3          2.8                 3.371
    -------------------------------------------------------------------------
                       61.0          62.0          1.0                26.433
    -------------------------------------------------------------------------
    NDM457             41.0          42.0          1.0                14.363
    -------------------------------------------------------------------------
                       66.0          69.0          3.0                 5.273
    -------------------------------------------------------------------------
    NDM466            117.0         119.0          2.0                 7.363
    -------------------------------------------------------------------------
                      171.0         172.0          1.0                36.225
    -------------------------------------------------------------------------
    NDM473             35.0          38.0          3.0                 2.860
    -------------------------------------------------------------------------
                       91.0         114.5         23.5                 2.325
    -------------------------------------------------------------------------
    incl               91.0         108.0         17.0                 3.368
    -------------------------------------------------------------------------
    incl               91.0         101.5         10.5                 4.423
    -------------------------------------------------------------------------
    NDM476            112.0         117.0          5.0                 2.383
    -------------------------------------------------------------------------
    incl              115.0         117.0          2.0                 4.883
    -------------------------------------------------------------------------
    NDM477            151.0         161.5         10.5                 4.022
    -------------------------------------------------------------------------
    incl              155.5         161.5          6.0                 6.067
    -------------------------------------------------------------------------
    NDM478             80.5          98.5         18.0                 5.107
    -------------------------------------------------------------------------
    incl               91.0          98.5          7.5                 9.512
    -------------------------------------------------------------------------
                      124.0         129.9          5.9                 3.203
    -------------------------------------------------------------------------
    

    Dave Webb, Tyhee's president and CEO said "These drillholes are part of
the 2007 program to extend the Ormsby resource both to the north and to the
south of the main body, with some infill drilling where gaps had been
identified in the previous resource blocks. It is encouraging to note that
despite most of the holes being drilled at the extremities of the established
resource, significant gold values were still obtained. A substantial number of
drillholes remain to be reported from the 2007 drilling.
    Much of the diamond drilling on the Ormsby Zone focused on shallow
targets in anticipation of expanding the resource potential for a conceptual
open pit. Further drilling will continue, expanding these zones to depth. One
diamond drill is operating on the Ormsby Zone and two are on the BigSky
Property. A third drill is being mobilized onto the BigSky Property today.
    The company is also revising its Nicholas Lake Zone resource to evaluate
its bulk-minable resource potential."
    The Company's principal focus is the development of its Yellowknife Gold
Project. The Yellowknife Gold Project consists of 6,625 hectares
(15,481 acres) of mining leases located 90 km (56 miles) north of Yellowknife.
The property hosts several areas of gold mineralization, including the
partially developed Nicholas Lake Zone, the Ormsby Zone and the Bruce Lake
Zone. A 1.2 million ounce measured and indicated gold resource plus a
353,000 ounce inferred gold resource has been identified on the property as
reported June 20, 2007 (News Release S.8 R.11). Additional exploration
properties within the Yellowknife Gold Belt, including the Goodwin Lake, Clan
Lake, and BigSky Properties have been acquired. Preliminary exploration has
confirmed gold mineralization on these exploration properties.

    Sample Analysis and QA/QC Program

    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. 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. Dr. D.R. Webb, PhD, P.Geol., the
designated QP within the meaning of NI 43-101, has reviewed this release and
approves of its content.

    NO REGULATORY AUTHORITY HAS APPROVED OR DISAPPROVED THE CONTENT OF THIS
    RELEASE. THE TSX VENTURE EXCHANGE DOES NOT ACCEPT RESPONSIBILITY FOR THE
    ADEQUACY OR ACCURACY OF THIS RELEASE.

    Tyhee's shares trade on the TSX Venture Exchange under the symbol "TDC".
    For additional information, please visit the Company's website,
    www.tyhee.com.





For further information:

For further information: Tyhee Development Corp., David Webb, President
and CEO, Tel: (604) 681-2877, toll free 1-866-681-2877, info@tyhee.com

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Tyhee Gold Corp.

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