Duluth Metals hits high-grade step out hole 100 metres east of Nokomis Deposit

    TORONTO, Dec. 10 /CNW/ - Duluth Metals Limited ("Duluth Metals") (TSX:
DM) (TSX:DM.U) today announced significant assay results for one of the best
holes drilled in their Maturi Extension Properties to date. MEX-67 intersected
a mineralized interval of 130.0 feet grading 1.036% copper, 0.281% nickel and
0.960 grams per tonne (g/t) of Total Precious Metals (TPM =
Platinum+Palladium+Gold), and 3.798 g/t silver, including 60.0 feet of 1.326%
copper, 0.348% nickel, 1.186 g/t TPM, and 5.113 g/t silver, and within the
60.0 foot interval, 5.0 feet of 3.260% copper, 0.493% nickel 2.041 g/t TPM and
19.20 g/t silver.
    The higher grade type of mineralization is typically found in the upper
zone of the deposit, or at or near the basal contact between the Duluth
Complex and the Giant's Range Granite. MEX-67 has similar widths and grades to
previous hole MEX-15 located in the western area of the deposit. MEX-15
returned 10.0 feet of 4.940% copper, 0.643% nickel, 3.348 g/t TPM and
19.550 g/t silver within a wider mineralized interval of 100 feet of 1.042%
copper, 0.257% nickel and 0.939 g/t TPM. In the vicinity of MEX-15, there is a
cluster of approximately 11 holes with higher grade mineralized intervals.
This includes drill holes MEX 15, 19, 30, 31, 35, 38, 39, 43, 49, 53 and 56
which warrant follow-up exploration analysis. Similarly, in the central part
of the Nokomis Deposit, there are 10 drill holes including MEX 18, 22, 32, 37,
40, 44, 47, 51, 54 and 60 with higher grade mineralized intervals. As the
drill holes are spaced with the equivalent of two football fields between
them, a downhole geophysics program will be conducted in 2008 in order to seek
out larger high grade zones.
    "We are very excited with the results of MEX-67 because of its grades and
proximity to the existing Nokomis Deposit. It is bordered on both the north
and east sides by unexplored Duluth Metals' land at this point", stated Dr.
Henry Sandri, President & CEO. "We now have multiple holes and clusters
indicative of zones of higher grade mineralization within the Nokomis Deposit.
We will be using downhole probes to target these higher grade zones, and we
are planning to step-out further in both the east and north directions to
explore for additional tonnage and higher grades."
    MEX-67 is located 100 metres east of the eastern limb of the Nokomis
Deposit and the results will help to expand the resource block. Assay results
are listed in the accompanying table. A "Drill Hole Location Map" highlighting
step-out drill hole MEX-67 can be found on our Company website at
www.duluthmetals.com under Press Releases. Duluth is continuing with their
approximate 200,000 foot drill program comprising both in-fill and step-out
drilling to the existing large Nokomis Resource Block, and exploration
drilling to define new mineralization in the Eastern Exploration Area.
    True thickness is estimated at about 90% of core length. The following
table with (0.3% copper and 0.5% copper cut-offs) contains a more detailed
summary of the drill intercepts in MEX-67:

     HOLE          ZONE         FROM     TO   LENGTH  COPPER  NICKEL  TPM(*)
                               (feet)  (feet)  (feet)   (%)     (%)    (g/t)

    MEX-67  at 0.5% Cu cut-off  2983    3113     130   1.036   0.281   0.960
                 including      3003    3063      60   1.326   0.348   1.186
                 containing     3043    3048       5   3.260   0.493   2.041
                & including     3078    3108      30   1.001   0.257   0.997

    (*) Total Precious Metals = Platinum+Palladium+Gold

    Gold, platinum and palladium values for Mex-67 are as follows:

                                                              PLATI-  PALLA-
     HOLE          ZONE         FROM     TO    LENGTH   GOLD    NUM    DIUM
                               (feet)  (feet)  (feet)  (g/t)   (g/t)   (g/t)

    MEX-67  at 0.5% Cu cut-off  2983    3113     130   0.154   0.228   0.578
                 including      3003    3063      60   0.203   0.274   0.710
                 containing     3043    3048       5   0.765   0.166   1.110
                & including     3078    3108      30   0.158   0.241   0.599

    For the 2007 drill program, half core samples have been prepared at ALS
Chemex Ltd. laboratories in Thunder Bay and then shipped to its analytical
facilities in Vancouver. Samples are being analyzed for Au, Pt, and Pd using a
standard fire assay with an ICP finish and for 27 other elements using a four
acid (near total) digestion and a combination of ICPMS and ICPAES. ICP over
limits were re-analyzed using sodium peroxide fusion, acid dissolution
followed by ICPAES. The remaining half core samples are being stored in
    David Oliver, P. Geo. and Duluth Project Manager is the Qualified Person,
in accordance with NI 43-101 of the Canadian Securities Administrators, and is
responsible for the technical content of this press release and quality
assurance of the exploration data and analytical results.

    About Duluth Metals

    Duluth is committed to acquiring, exploring and developing copper, nickel
and platinum group metal (PGM) deposits. Duluth's principal property is the
Nokomis Deposit located within the rapidly emerging Duluth Complex mining camp
in northeastern Minnesota. The Duluth Complex hosts one of the world's largest
undeveloped repositories of copper, nickel and PGMs, including the world's
third largest accumulation of nickel sulphides, and one of the world's largest
accumulations of polymetallic copper and platinum group metals.

    This document may contain forward-looking statements (including
"forward-looking statements" within the meaning of the US Private Securities
Litigation Reform Act of 1995) relating to Duluth's operations or to the
environment in which it operates. Such statements are based on operations,
estimates, forecasts and projections. They are not guarantees of future
performance and involve risks and uncertainties that are difficult to predict
and may be beyond Duluth's control. A number of important factors could cause
actual outcomes and results to differ materially from those expressed in
forward-looking statements, including those set forth in other public filings.
In addition, such statements relate to the date on which they are made.
Consequently, undue reliance should not be placed on such forward-looking
statements. Duluth disclaims any intention or obligation to update or revise
any forward-looking statements, whether as a result of new information, future
events or otherwise, save and except as may be required by applicable
securities laws.

For further information:

For further information: please contact Mara Strazdins, Director of
Corporate Communications, at mstrazdins@duluthmetals.com or at (416) 369-1500;
or Henry Sandri, President and CEO, at hsandri@duluthmetals.com; Minnesota
corporate office: telephone (651) 389-9990; Web Page: www.duluthmetals.com

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