**Certification        of Chief Executive Officer pursuant to**

**Title        18, United States Code, Section 1350, as adopted pursuant        to**

**Section        906 of the Sarbanes-Oxley Act of 2002**

| 1. | The                  Annual Report on Form 20F of Atna Resources ltd., for the year                  ended                  December 31, 2007 (the “Report”) fully complies with the requirements of                  Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15                  U.S.C.                  78m(a) or 78o(d)); and |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 2. | The                  information contained in the Report fairly presents, in all material                  respects, the financial condition and results of operations of                  Atna                  Resources Ltd. |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Date:                  March 25, 2008 | */s/                  “ David H. Watkins*                                        |
|---------------------------------------|----------------------------------------------------------------------------------------|
|                                  | David                  H. WatkinsChairman                  and Chief Executive Officer |

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**Certification        of Chief Accounting Officer pursuant to**

**Title        18, United States Code, Section 1350, as adopted pursuant        to**

**Section        906 of the Sarbanes-Oxley Act of 2002**

| 3. | The                  Annual Report on Form 20F of Atna Resources ltd., for the year                  ended                  December 31, 2007 (the “Report”) fully complies with the requirements of                  Section 13(a) or 15(d) of the Securities Exchange Act of 1934 (15                  U.S.C.                  78m(a) or 78o(d)); and |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| 4. | The                  information contained in the Report fairly presents, in all material                  respects, the financial condition and results of operations of                  Atna                  Resources Ltd. |
|----|---------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------|

| Date:                  March 25, 2008 | */s/                  “G. Ross McDonald”*                      |
|---------------------------------------|----------------------------------------------------------------------------|
|                                  | G.                  Ross McDonaldChief                  Accounting Officer |

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