Northgate Announces Additional Young-Davidson Drill Results - Drill Hole YD07-42B Returns 46.80 Grams per Tonne Gold Over 9.1 Metres



    VANCOUVER, Dec. 20 /CNW/ - Northgate Minerals Corporation (TSX: NGX,
AMEX:   NXG) today announced assay results for 13 additional diamond drill holes
at its Young-Davidson property near the town of Matachewan, Ontario.

    
                         DRILLING HIGHLIGHTS

    -   Hole YD07-42B, on the eastern flank of the Lower Boundary
        zone, intersected 46.80 grams per tonne (g/t) gold over
        9.1 metres (m).

    -   Hole YD07-53, also targeting the Lower Boundary zone,
        intersected 80.8m of 2.68 g/t gold including 3.47 g/t gold
        over 18.0m. This hole is situated below and about 100m
        further to the west than any other intersection in the area.

    -   Hole YD07-50, drilled on the western flank of the Lower YD
        zone, returned results of 5.54 g/t gold over 8.5m.

    -   The results of these latest holes are being incorporated into
        a resource update for the project, which is expected to be
        completed in January 2008.
    

    Ken Stowe, President and Chief Executive Officer, remarked, "The
exploration team at Young-Davidson continues to achieve outstanding results.
The continuity of the mineralization in the four main zones is excellent,
which supports our concept of low-cost, large-scale bulk underground mining
for the project. Given the drilling success in 2007, we expect to see another
significant increase in gold resources for the project once the new resource
update is completed next month, which will have a positive impact on the
Pre-Feasibility Study for the project."

    -----------------------------------------------------------------

    OVERVIEW OF YOUNG-DAVIDSON EXPLORATION AREA

    Gold mineralization on the Young-Davidson property is present primarily
in an intrusive syenite host rock dipping at approximately 70 degrees to the
south. Figure 1, shown below, presents known resource areas (as defined in the
legend), historic mine workings, simplified geology, potential new resource
areas along with the pierce points for the holes drilled. Elevations in the
longitudinal section are based on an artificial mine grid where the surface is
defined as 10,355 metres.

    Figure 1: Young-Davidson Property (Vertical, North Looking,
    Longitudinal Section with Metric Grid)

    http://files.newswire.ca/592/December_2007.jpg

    Beginning in early 2008, three surface drills and one underground drill
will continue with exploration. As the ramp development advances, a second
underground drill rig will be added.
    A new resource calculation is presently underway and will be available in
January 2008, which will be incorporated into the Pre-Feasibility Study for
the project.

    Lower Boundary Zone

    Five drill holes: YD07-42B, YD07-47A, YD07-51, YD07-53, and YD07-56 all
intersected significant mineralization in the Lower Boundary zone. The results
of these holes are presented in Table 1.
    Drill holes YD07-42B and YD07-47A, completed between the C1 and C2 dykes,
confirm the continuation of the zone in this area. YD07-42B returned 46.80 g/t
gold over 9.1m and YD07-47A returned 3.91 g/t gold over 9.5m. The
mineralization in hole 47A was partially cut off by a diabase dyke.
    Drill hole YD07-51, completed in the upper levels of the Lower Boundary
zone, returned 2.55 g/t gold over 32.2m including 7.40 g/t over 6.1m. Hole
YD07-56, drilled to test the continuity of the Lower Boundary zone, returned
2.74 g/t gold over 53.5m, including 3.77 g/t gold over 17.5m.
    Drill hole YD07-53 is the deepest and most westerly hole that has
targeted the Lower Boundary zone. It is over 1,300m deep and about 100m west
of YD06-16 and returned a thick intersection of 80.8m grading 2.68 g/t gold
including 18.0m of 3.47 g/t gold. This hole confirms the Lower Boundary zone
remains open at depth and has continuity towards the Lower YD zone. The
results of these holes also illustrate that the Lower Boundary zone is
significantly larger than previously known.

    
    Table 1 - Lower Boundary Zone
    -----------------------------------------------------------------
                                  Core       True               Gold-
               From      To      Length   Thickness  Gold-Cut  Uncut
    Hole ID     (m)      (m)       (m)        (m)    1oz (g/t)  (g/t)
    -----------------------------------------------------------------
    YD07-42B   875.5    897.6     22.1       18.7      2.62     2.62
    -----------------------------------------------------------------
    incl       875.5    883.7      8.2        6.9      3.62     3.62
    -----------------------------------------------------------------
    incl       875.5    880.5      5.0        4.2      4.70     4.70
    -----------------------------------------------------------------

    -----------------------------------------------------------------
               937.2    946.3      9.1        7.9      9.84    46.80
    -----------------------------------------------------------------
               972.0    979.0      7.0        6.1      5.98     5.98
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-47A   572.7    575.1      2.4        1.7     11.44    24.41
    -----------------------------------------------------------------
               693.5    703.0      9.5        6.6      3.91     3.91
    -----------------------------------------------------------------
               750.3    756.0      5.7        4.2      3.04     3.04
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-51    643.5    675.7     32.2       17.3      2.55     2.55
    -----------------------------------------------------------------
    incl       669.6    675.7      6.1        3.2       7.4      7.4
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-53   1301.4   1312.4     11.0        7.6      3.22     3.22
    -----------------------------------------------------------------

    -----------------------------------------------------------------
              1405.2   1486.0     80.8       56.7      2.68     2.68
    -----------------------------------------------------------------
    incl      1428.3   1459.8     31.5       22.2      3.07     3.07
    -----------------------------------------------------------------
    incl      1428.3   1446.3     18.0       12.6      3.47     3.47
    -----------------------------------------------------------------
    incl      1483.0   1486.0      3.0        2.1      7.82     7.82
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-56   1046.3   1099.8     53.5       41.7      2.74     2.74
    -----------------------------------------------------------------
    incl      1046.3   1063.8     17.5       13.7      3.77     3.77
    -----------------------------------------------------------------
    incl      1075.8   1086.6     10.8        8.5      6.38     6.38
    -----------------------------------------------------------------
    

    Lucky Zone

    Five holes, the first drilled holes from underground, were completed
targeting the Lucky zone. Hole R-02 returned 3.98 g/t gold over 29.5m
including 8.65 g/t gold over 9.1m. R-03A returned 15.0m of 1.90 g/t gold
including 2.4m of 3.48 g/t gold. Hole R-04 was drilled to test the west limit
of the Lucky zone and did not return any significant results. Holes R-01 and
R-03 were both abandoned for technical reasons before reaching target.

    
    Table 2 - Lucky Zone
    -----------------------------------------------------------------
                                  Core       True               Gold-
               From      To      Length   Thickness  Gold-Cut  Uncut
    Hole ID     (m)      (m)       (m)        (m)    1oz (g/t)  (g/t)
    -----------------------------------------------------------------
    R-02         216    245.5     29.5       11.3      3.98     3.98
    -----------------------------------------------------------------
    incl         216    223.5      7.5        3.0      3.11     3.11
    -----------------------------------------------------------------
    incl       236.4    245.5      9.1        3.2      8.65     8.65
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    R-03A      178.5    199.5     21.0       12.2      1.89     1.89
    -----------------------------------------------------------------
    incl       178.5    187.5      9.0        5.2      2.30     2.30
    -----------------------------------------------------------------

    -----------------------------------------------------------------
               225.9    240.9     15.0        8.7      1.90     1.90
    -----------------------------------------------------------------
    incl       226.8    229.2      2.4        1.4      3.48     3.48
    -----------------------------------------------------------------
    incl       235.7    240.9      5.2        3.0      2.35     2.35
    -----------------------------------------------------------------
    R-04                  No significant values
    -----------------------------------------------------------------
    

    Lower YD Zone

    Five new drill holes were completed on the Lower YD zone. The deepest
hole, YD07-46A, intersected a dyke at the zone horizon and only returned 1.17
g/t gold over 41.3m of what is thought to be footwall zone.
    Drill holes YD07-50, 52, 54, and 55 were completed at various levels on
the west flank of the known Lower YD zone as illustrated in Figure 1. All of
these holes intersected zone material. YD07-50, the lowest hole, returned 3.03
g/t gold over 24.0m including 5.54 g/t gold over 8.5m. YD07-52, completed
about 380m above YD07-50, returned 1.90 g/t gold over 15.4m including 3.47 g/t
gold over 3.0m. YD07-55, situated about 130m above YD07-52, returned 4.12 g/t
gold over 15.6m and YD07-54, a further 100m higher, returned 2.4 g/t gold over
24.8m including 3.16 g/t gold over 11.5m.

    
    Table 3 - Lower YD Zone
    -----------------------------------------------------------------
                                  Core       True               Gold-
               From      To      Length   Thickness  Gold-Cut  Uncut
    Hole ID     (m)      (m)       (m)        (m)    1oz (g/t)  (g/t)
    -----------------------------------------------------------------
    YD07-46A  1435.5   1476.8     41.3       24.6      1.17     1.17
    -----------------------------------------------------------------
    incl      1465.4   1476.8     11.4        6.7      1.75     1.75
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-50   1045.6   1069.6     24.0       20.6      3.03     3.03
    -----------------------------------------------------------------
    incl      1052.0   1060.5      8.5        7.3      5.54     5.54
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-52    644.3    659.7     15.4        8.7      1.90     1.90
    -----------------------------------------------------------------
    incl       648.1    652.2      4.1        2.5      2.94     2.94
    -----------------------------------------------------------------
    incl       656.7    659.7        3        1.8      3.47     3.47
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-54    360.7    385.5     24.8       14.8      2.40     2.40
    -----------------------------------------------------------------
    incl       372.5    384.0     11.5        6.9      3.16     3.16
    -----------------------------------------------------------------

    -----------------------------------------------------------------
    YD07-55    549.4      565     15.6       10.5      4.12     4.12
    -----------------------------------------------------------------
    incl       549.4    561.1     11.7        7.8      4.89     4.89
    -----------------------------------------------------------------
    

    QUALITY CONTROL - ANALYSES AND SAMPLE LOCATION

    Details of quality assurance/quality control procedures for sample
analysis and drill hole survey methodology are reported in detail in the
National Instrument 43-101 (NI 43-101) Technical Report filed on SEDAR
(www.sedar.com) on January 29, 2007. A summary of these procedures may also be
found in a press release dated April 10, 2006.

    QUALIFIED PERSONS

    The program design, implementation, quality assurance/quality control and
interpretation of the results is under the control of Northgate's geological
staff that includes a number of individuals who are qualified persons as
defined under NI 43-101. Overall supervision of the program is by Carl
Edmunds, PGeo, Northgate's Exploration Manager.

    NOTE TO US INVESTORS:

    The terms "Mineral Reserve", "Proven Mineral Reserve" and "Probable
Mineral Reserve" are Canadian mining terms as defined in accordance with NI
43-101 Standards of Disclosure for Mineral Projects under the guidelines set
out in the Canadian Institute of Mining, Metallurgy and Petroleum (the "CIM")
Standards on Mineral Resources and Mineral Reserves Definitions and Guidelines
adopted by the CIM Council on August 20, 2000. The terms "Mineral Resource",
"Measured Mineral Resource", "Indicated Mineral Resource", and "Inferred
Mineral Resource" used in this news release are Canadian mining terms as
defined in accordance with NI 43-101-Standards of Disclosure for Mineral
Projects under the guidelines set out in the CIM Standards.

    NORTHGATE MINERALS CORPORATION is a gold and copper mining company
focused on operations and opportunities in the Americas. The Corporation's
principal assets are the Kemess South mine in north-central British Columbia
and the Young-Davidson property in northern Ontario. Northgate is listed on
the Toronto Stock Exchange under the symbol NGX and on the American Stock
Exchange under the symbol NXG.

    FORWARD-LOOKING STATEMENTS:

    This news release includes certain "forward-looking statements" within
the meaning of section 21E of the United States Securities Exchange Act of
1934, as amended. These forward-looking statements include estimates,
forecasts, and statements as to management's expectations with respect to,
among other things, future metal production and production costs, potential
mineralization and reserves, exploration results, progress in the development
of mineral properties, demand and market outlook for commodities and future
plans and objectives of Northgate Minerals Corporation (Northgate).
Forward-looking statements generally can be identified by the use of
forward-looking terminology such as "may," "will," "expect," "intend,"
"estimate," "anticipate," "believe," or "continue" or the negative thereof or
variations thereon or similar terminology. Forward-looking statements are
necessarily based upon a number of estimates and assumptions that, while
considered reasonable by management are inherently subject to significant
business, economic and competitive uncertainties and contingencies. There can
be no assurance that such statements will prove to be accurate and actual
results and future events could differ materially from those anticipated in
such statements. Important factors that could cause actual results to differ
materially from Northgate's expectations are disclosed under the heading "Risk
and Uncertainties" in Northgate's 2006 Annual Report and under the heading
"Risk Factors" in Northgate's 2006 Annual Information Form (AIF) both of which
are filed with Canadian regulators on SEDAR (www.sedar.com) and with the
United States Securities and Exchange Commission (www.sec.gov). Northgate
expressly disclaims any intention or obligation to update or revise any
forward-looking statements whether as a result of new information, future
events or otherwise.

    
    APPENDIX 1 - DRILL HOLE COLLAR LOCATIONS
    -----------------------------------------------------------------
                                              Collar  Collar   Depth
    Hole ID    Easting  Northing  Elevation  Azimuth   Dip      (m)
    -----------------------------------------------------------------
    YD07-42B   23523.9    9937.9    10319.7    356     -70    1014.0
    -----------------------------------------------------------------
    YD07-46A   22685.0    9725.0    10331.0      0     -70    1536.0
    -----------------------------------------------------------------
    YD07-47A   23513.1   10064.7    10326.9      0     -70     816.0
    -----------------------------------------------------------------
    YD07-50    22685.0    9963.0    10355.0    357     -70    1138.0
    -----------------------------------------------------------------
    YD07-51    23360.0   10110.0    10316.9      0     -70     702.0
    -----------------------------------------------------------------
    YD07-52    22755.0   10170.0    10333.1      0     -70     711.0
    -----------------------------------------------------------------
    YD07-53    23000.0    9690.0    10332.0      0     -70    1536.0
    -----------------------------------------------------------------
    YD07-54    22886.9   10310.4    10318.6    325     -66     631.0
    -----------------------------------------------------------------
    YD07-55    22794.0   10238.0    10333.0      0     -70     730.5
    -----------------------------------------------------------------
    YD07-56    23130.0    9870.0    10319.5      0     -70    1150.0
    -----------------------------------------------------------------
    R-02       23205.0   10657.7    10191.0    186     -50     397.0
    -----------------------------------------------------------------
    R-03A      23206.4   10657.8    10191.1    175     -38     265.0
    -----------------------------------------------------------------
    R-04       23204.8   10657.8    10191.1    201     -42     327.0
    -----------------------------------------------------------------
    





For further information:

For further information: Ms. Keren R. Yun, Manager, Investor Relations,
(416) 216-2781, kyun@northgateminerals.com

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