Duluth Metals Limited announces wide mineralized intercepts with new drill results



    TORONTO, March 21 /CNW/ - Duluth Metals Limited ("Duluth") (TSX: DM)
(TSX:DM.U) today announced assay results for four new holes (MEX-15, 16, 17
and 18) completed during the current 100,000 foot winter drilling program on
Duluth's Maturi Extension project near Ely, Minnesota.
    All drill holes intersected significant mineralization with both MEX-15
and MEX-16 hitting sections of massive sulphide. The results include MEX-16,
which intersected a wide zone of mineralization in the northeastern part of
the property approximately 1200 metres northeast of any previous drilling, and
MEX-15, MEX-17, and MEX-18 which all intersected mineralization on the western
part of the property. Drilling is continuing with four drills as part of the
forty hole winter drilling program.
    MEX-16, intersected 437.9 feet of 0.498% copper, 0.172% nickel and
0.272 grams per tonne total precious metals. Included in that interval was
78.7 feet of 0.758% Cu, 0.246% Ni and 0.344 grams per tonne of total precious
metals. (At a 0.5% copper cut-off.) Below the main mineralized interval the
hole also intersected 3.4 feet of 8.98% Cu and 0.205% Ni and 2.986 grams of
total precious metals.
    MEX-15, MEX-17, and MEX-18 were drilled on the western part of the
property, where the objective of the current drill program is to define a NI
43-101 compliant resource. At a 0.5% copper cut-off the intersections are as
follows:

    
    -   70 feet of 1.278% Cu, 0.295% Ni and 1.085 grams per tonne total
        precious metals in MEX-15, within a total mineralized interval of
        155 feet grading 0.828% Cu, 0.235% Ni, and 0.762 grams per tonne
        total precious metals. This interval includes 10 feet of 4.94% Cu,
        0.643% Ni and 3.348 grams per tonne total precious metals.

    -   49.2 feet of 0.707% Cu, 0.225% Ni and 0.909 grams per tonne total
        precious metals in MEX-17, within a total mineralized interval of
        176.1 feet grading 0.454% Cu, 0.133% Ni, and 0.443 grams per tonne
        total precious metals.

    -   45 feet of 0.915% Cu, 0.253% Ni and 0.926 grams per tonne total
        precious metals and 55 feet of 0.858% Cu, 0.138% Ni and 0.838 grams
        per tonne total precious metals in MEX-18, both within a total
        mineralized interval of 200 feet grading 0.578% Cu, 0.147% Ni, and
        0.561 grams per tonne total precious metals.

    True thickness is estimated at about 90% of core length. The following
table contains a more detailed summary of the drill intercepts:

    -------------------------------------------------------------------------
    Hole     Zone              From       To       Length   Copper    Nickel
                              (feet)    (feet)     (feet)     (%)       (%)
    -------------------------------------------------------------------------
    MEX-15   Total
              Mineralized
              Zone @ 0.3%
              copper          2768.0    2923.0     155.0     0.828     0.235
    -------------------------------------------------------------------------
             including
              @ 0.5%
              copper cut-off  2808.0    2878.0      70.0     1.278     0.295
    -------------------------------------------------------------------------
             which
              includes        2863.0    2873.0      10.0     4.940     0.643
    -------------------------------------------------------------------------
    MEX-16   Total
              Mineralized
              Zone @ 0.3%
              Cu              1083.4    1521.3     437.9     0.498     0.172
    -------------------------------------------------------------------------
             including
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off  1122.7    1171.9      49.2     0.545     0.198
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off  1226.1    1304.8      78.7     0.758     0.246
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off  1457.3    1516.3      59.0     0.545     0.173
    -------------------------------------------------------------------------
    MEX-16                    1811.5    1816.5       5.0     1.000     0.252
    -------------------------------------------------------------------------
    MEX-16                    1944.4    1947.8       3.4     8.980     0.205
    -------------------------------------------------------------------------

    -------------------------------------------------------------------------
    MEX-17   Total
              Mineralized
              Zone @ 0.3%
              copper          2554.5    2730.6     176.1     0.454     0.133
    -------------------------------------------------------------------------
             including
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off  2671.6    2720.8      49.2     0.707     0.225
    -------------------------------------------------------------------------
    MEX-18   Total
              Mineralized
              Zone @ 0.3%
              copper          2558.0    2758.0     200.0     0.578     0.147
    -------------------------------------------------------------------------
             including
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off  2593.0    2638.0      45.0     0.915     0.253
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off  2703.0    2758.0      55.0     0.858     0.138
    -------------------------------------------------------------------------


    -------------------------------------------------------------------------
    Hole     Zone           Palladium  Platinum     Gold     TPM(*)   Silver
                              (g/t)      (g/t)      (g/t)    (g/t)     (g/t)
    -------------------------------------------------------------------------
    MEX-15   Total
              Mineralized
              Zone @ 0.3%
              copper           0.446     0.218     0.098     0.762       4.6
    -------------------------------------------------------------------------
             including
              @ 0.5%
              copper cut-off   0.618     0.323     0.144     1.085       4.4
    -------------------------------------------------------------------------
             which
              includes         1.707     1.178     0.464     3.348      19.6
    -------------------------------------------------------------------------
    MEX-16   Total
              Mineralized
              Zone @ 0.3%
              Cu               0.159     0.067     0.046     0.272       1.6
    -------------------------------------------------------------------------
             including
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off   0.191     0.104     0.046     0.341       1.7
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off   0.209     0.075     0.060     0.344       2.5
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off   0.185     0.077     0.067     0.328       1.8
    -------------------------------------------------------------------------
    MEX-16                     0.278     0.062     0.075     0.415       3.4
    -------------------------------------------------------------------------
    MEX-16                     1.980     0.618     0.388     2.986      77.7
    -------------------------------------------------------------------------

    -------------------------------------------------------------------------
    MEX-17   Total
              Mineralized
              Zone @ 0.3%
              copper           0.264     0.117     0.062     0.443       1.5
    -------------------------------------------------------------------------
             including
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off   0.539     0.248     0.122     0.909       2.3
    -------------------------------------------------------------------------
    MEX-18   Total
              Mineralized
              Zone @ 0.3%
              copper           0.336     0.149     0.076     0.561       2.0
    -------------------------------------------------------------------------
             including
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off   0.580     0.236     0.110     0.926       3.0
    -------------------------------------------------------------------------
             @ 0.5%
              copper cut-off   0.463     0.241     0.134     0.838       3.1
    -------------------------------------------------------------------------

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

    For the winter drill program, half core samples were prepared at ALS
Chemex Ltd. Laboratories in Thunder Bay and then shipped to its analytical
facilities in Vancouver. Samples were analyzed for Au, Pt, 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 Minnesota.
    "We are extremely pleased with these results." stated Dr. Henry (Rick) J.
Sandri, President and CEO of Duluth. "Not only do these holes confirm very
wide mineralized intersections and good grades, but MEX 15 and MEX 16 both
give us interesting sections of massive sulphide."
    Duluth is currently working on holes MEX-26 through MEX-29; core from
MEX-19 through MEX-25 are in various stages of geological evaluation and
assaying. Duluth has engaged Scott Wilson Roscoe Postle Associates Inc. (Scott
Wilson RPA) to conduct a Mineral Resource Estimate and prepare a Technical
Report which complies with NI 43-101 requirements. It is expected this
estimate will be completed during June with a report to follow in late July
2007.
    David Oliver, P. Geo. is the Qualified Person for Duluth, 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. The Company will be issuing periodic
updates on the drilling and releasing assay results in groupings of 4-6 holes.

    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
Maturi Extension Property 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. Duluth is pursuing other advanced stage nickel, copper and PGM
projects which can be put into production within a suitable time frame.

    This document may contain forward-looking statements (including
"forward-looking statements" within the meaning of the US Privacy Securities
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.

    %SEDAR: 00023735E




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; Web Page:
www.duluthmetals.com

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