Atna Completes First Phase of Drilling at Jarbidge, Nevada

    VANCOUVER, Dec. 21 /CNW/ - Atna Resources Ltd. (ATN:TSX) has completed
it's 2007 drill program at Jarbidge, Elko County, Nevada. Gold and silver
mineralization were encountered in association with the five structures tested
in the first round of drilling. Broad intervals of gold mineralization were
intersected in the Longhike vein, including 0.031 ozs per ton over 84 feet and
0.045 ozs per ton over 60 feet, within an envelope of altered, quartz veined
volcanic rock. The gold mineralization indicates exploration potential along
the strike length and at depth in the Longhike structure. Silver grading
1.7 ozs/ton over a 5 foot core interval was intersected in the Alta structure,
suggesting that the upper portion of the epithermal system has been
intersected and that gold mineralization may occur at a deeper level. The Pick
and Shovel, Starlight-Legitimate, and Success-Bluster structures all returned
anomalous gold values and widths, indicating that further drilling could
discover high grade ore shoots within the structures. The most significant
results are tabulated below.

      Drill                                             Length  oz/ton oz/ton
     hole No.       Target Area          From-To (ft)  (ft)(1)    Au     Ag

    AJLH-006    Longhike Vein           887.3 - 914.8    27.5   0.042   0.34
                including               901.8 - 904.6     2.8   0.221   0.84
                and                   985.0 - 1,069.0    84.0   0.031   0.19
    AJLH-021    Longhike Vein           345.0 - 350.0     5.0   0.109   0.14
    AJLH-022    Longhike Vein           385.0 - 445.0    60.0   0.045   0.05
                including               420.0 - 425.0     5.0   0.145   0.11


    AJLH-024    Longhike Vein           605.0 - 655.0    50.0   0.023   0.08
                and                     685.0 - 695.0     5.0   0.098   0.23
    AJALT-027   Alta structure            60.0 - 65.0     5.0   0.001   1.79
    AJBL-007    Pick & Shovel           150.0 - 155.0     5.0   0.130   0.08
    AJLH-029    Starlight-Legitimate    263.5 - 312.5    49.0   0.016   0.67
                including               305.0 - 312.5     7.5   0.037   0.46
    AJBL-012    Success-Bluster         195.0 - 200.0     5.0   0.024   0.00
    AJBL-013    Success Bluster             0.0 - 5.0     5.0   0.036   0.10
                and                       45.0 - 50.0     5.0   0.039   0.00
    (1)  The lengths of the intercepts do not represent true vein widths.
         Insufficient data (too few intercepts) currently exists to determine
         the true width of the veins.

    A total of 10,380 feet of reverse circulation rotary drilling and
2,418.8 feet of diamond core drilling in 24 holes was completed in five target
areas. Permit applications have been submitted to the US Forest Service which,
upon approval, would allow for a flexible work plan over a five year period
for further exploration of the Longhike vein and for the construction of drill
roads to test the district's other mineralized structures.
    Jarbidge is a historic gold mining district where over 350,000 ounces of
gold and 1.2 million ounces of silver were produced prior to 1937. Gold and
silver mineralization is hosted by Tertiary rhyolitic volcaniclastics and
lavas associated with the Jarbidge volcanic center. Mineralization may be
characterized as a low-sulfidation, epithermal vein system with similarities
to the Ken Snyder Mine in the Midas District, Elko County, Nevada (operated by
Newmont Mining). Atna has targeted the quartz-adularia vein systems that were
prospected and/or developed early in the last century. Mapping, sampling and
historic data compilation has identified over 55,000 linear feet of veins
and/or altered fault zones representing drill target areas.
    This press release was prepared under the supervision and review of
William Stanley, V.P. Exploration of Atna, a Licensed Geologist, and Qualified
Person with the ability and authority to verify the authenticity and validity
of information contained within this news release. Assays results disclosed in
this press release were completed by Inspectorate America Corporation in Reno,
Nevada. Analytical work was by standard industry methods with gold assays
complete by standard fire assay methods with an Atomic Absorption finish.
Silver assays were completed by ICP Mass Spec. Inspectorate was also
responsible for all sample preparation.

    Forward-Looking Statements

    Except for the statements of historical fact that may be contained
herein, this news release contains "forward-looking statements" within the
meaning of the United States Private Securities Litigation Reform Act of 1995.
Forward-looking statements are based on the opinions and estimates of
management at the date that the statements are made, and are subject to a
variety of risks and uncertainties and other factors that could cause actual
events or results to differ materially from those projected in the
forward-looking statements. Such factors include, but are not limited to,
risks involved in the exploration and development of mineral properties; the
uncertainties involved in interpreting drilling and other exploration results;
fluctuating commodity prices and exchange rates; the possibility of project
cost overruns or unanticipated costs and expenses; the need to obtain
additional financing and uncertainty as to the availability and terms of
future financing; environmental risks and hazards; and other risks and
uncertainties disclosed in the Company's current Annual Information Form filed
with the Canadian securities regulatory authorities and Form 20-F filed with
the United States Securities and Exchange Commission. The Company undertakes
no obligation to update forward-looking statements if circumstances or
management's estimates or opinions should change. The reader is cautioned not
to place undue reliance on forward-looking statements.

For further information:

For further information: and the forward looking statement, please visit
our website,, or contact: ATNA RESOURCES LTD., Kendra Johnston,
Investor Relations Manager & Geologist, Tel: (604) 684-2285, E-mail:

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