GOLDEN, Colo., Aug. 4, 2015 /PRNewswire/ -- Atna Resources Ltd. ("Atna" or the "Company") (TSX:ATN / OTCQB:ATNAF) today reported financial and operating results for the second quarter ended June 30, 2015. Unless otherwise designated, all amounts are in U.S. dollars. Additional details may be found in the MD&A and Financials filed on SEDAR and EDGAR or on our website at www.atna.com. Atna operates the Pinson Underground gold mine ("Pinson Underground") near Winnemucca, Nevada and the Briggs gold mine ("Briggs") located in Inyo County, California.

Operating Results


    --  Gold ounces sold by Pinson Underground increased 75 percent over First
        Quarter 2015 and 166 percent over Fourth Quarter 2014 as operations
        continue to ramp-up. The mining rate is expected to increase in future
        quarters as the mine accesses new ore zones and develops additional
        mining faces.
    --  9,115 ounces of gold were sold, 13% more than in First Quarter 2015, at
        an average price of $1,203 per ounce, 2% less than in First Quarter
        2015. Ounces sold were principally affected by Pinson Underground
        ramping-up and Briggs ramping-down. 17,199 ounces of gold were sold by
        the Company in the First Half 2015.
    --  Briggs generated $0.8 million in operating cash flow, and Pinson
        Underground generated $1.0 million.
    --  Ounces sold by Briggs decreased 8 percent relative to First Quarter
        2015, due principally to reduced mining from the Main North Pit.
    --  The consolidated average cash cost per ounce sold was $1,111, an
        increase of 4 percent over prior quarter, principally as Pinson
        Underground is incurring high levels of expensed development costs while
        increasing production. The consolidated average all-in sustaining cost
        (AISC) was $1,322 per ounce, an increase of 4 percent over prior
        quarter.

Financial Results


    --  Operating cash flow was $0.6 million, and cash and receivables total
        $2.2 million.
    --  Revenue increased marginally to $10.9 million, relative to revenues of
        $10.8 million in Second Quarter 2014.
    --  Financing activities used $0.9 million to repay principal on notes and
        finance leases.
    --  $0.3 million was invested in mine development at Pinson Underground.
    --  A net loss of $9.4 million, ($0.04) per weighted average share, was
        recognized and included: a $3.0 million inventory write-down to net
        realizable value and a $3.1 million impairment of Briggs assets,
        principally the Main North Pit that was depleted in July of 2015.

"Second Quarter 2015 proved to be a positive step towards our goal of improving operating performance and returning value to shareholders in this difficult gold price environment. The cessation of mining at Briggs will allow us to recover approximately 17,000 ounces of in-process gold inventory at an incremental cost estimated in the range of $250 to $300 per ounce. At Pinson Underground we are developing new ore zones that will give access to high-grade working areas and allow us to increase production. We anticipate that these two factors will significantly reduce our blended operating costs for the second half of 2015," states CEO and President James Hesketh.

For additional information on Atna, its mining, development and exploration projects, 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. 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 exploration programs; 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 2014 Form 20-F dated March 13, 2015.

FOR FURTHER INFORMATION, CONTACT:

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


                                                  ATNA RESOURCES LTD. AND SUBSIDIARIES

                                             SUMMARIZED CONSOLIDATED FINANCIAL INFORMATION

                                                        (US dollars, IFRS basis)

                                                              (Unaudited)

                                                                     June 30,                    December 31,

    BALANCE SHEETS                                                        2015                            2014
    --------------                                                        ----                            ----


    ASSETS

    Current assets                                                 $20,132,800                     $21,780,600

    Non-current assets                                              63,823,600                      74,464,800
                                                                    ----------                      ----------


    Total assets                                                    83,956,400                      96,245,400
                                                                    ==========                      ==========


    LIABILITIES AND SHAREHOLDERS' EQUITY

    Current liabilities                                             30,829,200                       9,682,200

    Notes payable - long term                                          824,500                      18,806,000

    Other non-current liabilities                                    4,071,000                       5,178,000

    Shareholders' equity                                            48,231,700                      62,579,200
                                                                    ----------                      ----------


    Total liabilities and shareholders' equity                     $83,956,400                     $96,245,400
                                                                   ===========                     ===========


                                                       Three Months Ended                                   Six Months Ended

                                                            June 30,                                            June 30,
                                                            --------                                           --------

                                                            2015                            2014                                2015           2014
                                                            ----                            ----                                ----           ----


    STATEMENTS OF OPERATIONS
    ------------------------

    Revenues                                         $10,916,300                     $10,810,900                         $20,835,400    $20,607,700

    Cost of sales                                     10,154,200                       8,760,600                          18,784,500     16,886,900

    Depreciation and
     amortization, cost of
     sales                                             2,105,600                       2,001,800                           3,854,300      3,706,300

    Adjust inventory to net
     realizable value                                  2,997,300                        (77,300)                          5,465,400        263,400

    Impairment (recovery) of
     long-term assets                                  3,124,100                               -                          3,124,100       (75,500)

    General and
     administrative,
     including depreciation                              776,200                       1,079,300                           1,672,100      2,166,100

    Exploration expense                                  128,000                         236,800                             142,400        528,200

    Property maintenance
     expense (recovery)                                  (4,500)                        339,000                                   -       592,700

    Interest and Other
     expenses, net                                     1,034,600                       1,518,900                           2,320,400        444,200
                                                       ---------                       ---------                           ---------        -------

    Net loss before income
     tax                                             (9,399,200)                    (3,048,200)                       (14,527,800)   (3,904,600)
                                                      ----------                      ----------                         -----------     ----------


    Income tax expense                                         -                              -                                  -             -
                                                             ---                            ---                                ---           ---

    Net loss                                         (9,399,200)                    (3,048,200)                       (14,527,800)   (3,904,600)
                                                      ==========                      ==========                         ===========     ==========


    Comprehensive loss                               (9,339,300)                    (3,052,100)                       (14,530,400)   (5,374,200)
                                                      ==========                      ==========                         ===========     ==========


    Basic and diluted loss
     per share                                           $(0.04)                        $(0.02)                            $(0.07)       $(0.02)
                                                          ======                          ======                              ======         ======


    Basic weighted-average
     shares outstanding                              209,125,955                     190,718,006                         208,728,318    190,444,808
                                                     ===========                     ===========                         ===========    ===========


    STATEMENTS OF CASH FLOWS
    ------------------------

    Cash and cash
     equivalents, beginning
     of the period                                    $1,620,700                      $1,777,400                          $2,162,200       $789,900

    Net cash provided by
     (used in) operating
     activities                                          616,100                       1,425,200                             935,400    (2,286,000)

    Net cash used in
     investing activities                              (253,400)                    (1,399,000)                          (137,700)   (1,603,500)

    Net cash (used in)
     provided by financing
     activities                                        (879,600)                    (1,118,300)                        (1,853,400)     3,787,400

    Effect of exchange rate
     changes on cash                                       (400)                          (600)                            (3,100)       (3,100)
                                                            ----                            ----                              ------         ------


    Cash and cash
     equivalents, end of the
     period                                           $1,103,400                        $684,700                          $1,103,400       $684,700
                                                      ==========                        ========                          ==========       ========

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SOURCE Atna Resources Ltd.