Atna Confirms New Gold Zone at Briggs Mine



    GOLDEN, Colo., Feb. 27 /CNW/ -- Atna Resources Ltd. ("Atna") - (TSX: ATN)
is pleased to announce that the 2008/2009 exploration program at its Briggs
Mine, which focused on targets with potential to extend the mine life has
confirmed a deeper zone of gold mineralization beneath the current minable
reserves in the Briggs Main pit. Atna has intersected this new Briggs Main
Deep ("BMD") zone with 14 holes. The BMD drill holes have intercepted a gently
dipping tabular zone over an area 800 feet long (north-south) by 700 feet
wide. Apparent thickness of the zone ranges from 30 to 90 feet. The
mineralization comes within 40 to 50 feet of the $750 ounce per gold design
pit bottom. The BMD remains open for expansion to the north, south and east of
the current intercepts.
    

    
    The apparent thickness, grades, and broad distribution of the
mineralization warrant a follow-up drill program to further define the BMD
mineralization. The follow-up drilling at BMD will begin immediately following
the drilling currently underway at the Cecil R satellite deposit to the Briggs
Mine, located approximately four miles north of the Briggs Mine.
    

    
    Atna's President and CEO, James Hesketh states, "These exploration
results at Briggs Main Deep are very positive for the mine operation. If the
next phase of drilling is successful, it may very well set the stage for
adding significantly to the project's mine-life and profitability."
    

    BRIGGS MINE DRILL HOLE RESULTS

    

    
     Drill Hole No.  From (ft)       To (ft)         Length*(ft)     oz/ton Au
    BMD08-016          75              80                 5             0.021
                       530             535                5             0.022
                       545             550                5             0.024
                       605             615                10            0.015
                       640             650                10            0.011
                       710             720                10            0.011
                       730             745                15            0.011
                       800             850                50            0.017
    BMD09-017          80              90                 10            0.024
                       350             360                10            0.024
                       435             535                100           0.023
           including   470             500                30            0.046
                       575             635                60            0.014
                       645             655                10            0.012
    BMD09-018          HOLE            LOST
    BMD09-019          505             520                15            0.017
                       555             570                15            0.013
                       590             650                60            0.022
                       665             705                40            0.017
                       730             750                20            0.013
                       760             850                90            0.029
           including   775             805                30            0.050
                       Hole terminated in mineralization  845-850 (5')  0.048
    BMD09-020          185             195                10            0.011
                       350             360                10            0.015
                       380             385                5             0.015
                       535             540                5             0.015
                       575             610                30            0.041
                       635             660                25            0.038
                       680             705                25            0.025
                       Hole lost in    mineralization
    

    
    * Intercept lengths do not represent true widths of the mineralized zones.

    
    The Briggs Mine is located in Inyo County, California. The mine has open
pit proven and probable reserves containing 267,000 ounces of gold with an
average grade of 0.021ounce per ton (see press release dated February 18,
2009). An additional 650,367 tons of inferred resource containing 9,510 ounces
of gold are contained within the pit shell limits, but are not included in the
reserves. An updated NI 43-101 technical report is nearing completion and will
be filed shortly. Open pit mining is underway and construction of the leach
pad expansion has been completed. Crushing of stockpiled ore is expected to
commence in March, with first gold production expected in April 2009.
    

    
    The latest mine plan, excluding results for this drill program, projects
a mine life of six years. The plan produces approximately 213,000 ounces of
gold with an annual average full year production rate that ranges from 40,000
to 50,000 ounces per year during the years 2010 to 2013 with residual gold
recovery in 2014. Gold production and sales for 2009 is expected to be over
20,000 ounces. Life-of-mine cash cost and full cost is projected to be $468
and $587 per ounce of gold, respectively.  Life-of-mine pre-tax cash flow at a
gold price of $750 is approximately $36 million net of capital recapture
including sustaining capital and project closure costs. Total project pre-tax
cash flow increases by over $20 million for every $100 increase in gold price.
    

    
    Analytical results contained within this press release were completed by
standard fire assay methods with an atomic absorption or gravimetric finish by
Inspectorate America Corporation, an ISO certified, commercial analytical
laboratory, located in Sparks, Nevada. Atna maintains a rigorous Quality
Assurance - Quality Control program utilizing both certified gold standards
and blanks to augment Inspectorate's internal QA/QC program.  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.
    

    
    For additional information on Atna Resources and the Briggs Project,
please visit our website at www.atna.com.
    

    
    This press release contains certain "forward-looking statements," as
defined in the United States Private Securities Litigation Reform Act of 1995,
and within the meaning of Canadian securities legislation, relating to
possible mineralized material located at the Briggs Main Deep zone, and the
Company's possible economic results from mining operations at the Briggs Mine
based on technical reports compliant with Canadian NI 43-101. Forward-looking
statements are statements that are not historical fact. They are based on the
beliefs, estimates and opinions of the Company's management on the date the
statements are made and they involve a number of risks and uncertainties.
Consequently, there can be no assurances that such statements will prove to be
accurate and actual results and future events could differ materially from
those anticipated in such statements. The Company undertakes no obligation to
update these forward-looking statements if management's beliefs, estimates or
opinions, or other factors, should change. Factors that could cause future
results to differ materially from those anticipated in these forward-looking
statements include: the Company might encounter problems such as the
significant depreciation of metals prices; accidents and other risks
associated with mining exploration and development operations; the risk that
the Company will encounter unanticipated geological factors; the Company's
need for and ability to obtain additional financing; the possibility that the
Company may not be able to secure permitting and other governmental clearances
necessary to carry out the Company's mine development plans that will prevent
it from restarting mining operations at the Briggs Mine; and the other risk
factors discussed in greater detail in the Company's various filings on SEDAR
(www.sedar.com) with Canadian securities regulators and its filings with the
U.S. Securities and Exchange Commission, including the Company's Form 20-F
dated March 25, 2008.
    

    
    Cautionary Note to U.S. Investors -- The United States Securities and
Exchange Commission permits U.S. mining companies, in their filings with the
SEC, to disclose only those mineral deposits that a company can economically
and legally extract or produce. We use certain terms in this report, such as
"measured," "indicated," "inferred," and "resources," that the SEC guidelines
strictly prohibit U.S. registered companies from including in their filings
with the SEC.
    

    FOR FURTHER INFORMATION, CONTACT:
    

    
    James Hesketh, President and CEO - (303) 278-8464
    Valerie Kimball, Investor Relations - toll free (877) 692-8182
    http://www.atna.com/




    




For further information:

For further information: James Hesketh, President and CEO,
+1-303-278-8464, or Investor Relations, Valerie Kimball, 1-877-692-8182, both
of Atna Resources Ltd. Web Site: http://www.atna.com

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