| May 13, 2013 |
Atna Reports First Quarter 2013 Earnings and Operations Results |
| May 10, 2013 |
Atna Announces Results of Annual General Meeting of Shareholders |
| May 06, 2013 |
Atna Increases Productivity at its Pinson Mine |
| April 25, 2013 |
Atna Replaces Duplicated Table in its 2012 Annual MD&A |
| March 25, 2013 |
Atna Cuts 120 feet Grading 0.057 oz/ton Gold at Reward Gold Project |
| March 21, 2013 |
Atna Resources Reports Fourth Quarter and 2012 Fiscal Year Results and Highlights |
| March 18, 2013 |
Atna Resources Extends $17.5 Million Credit Facility |
| February 25, 2013 |
Atna Discovers New Gold Mineralization at Reward |
| February 20, 2013 |
Atna Announces Annual General Meeting & Adoption of Advance Notice Policy & Majority Voting Policy |
| February 05, 2013 |
Atna Receives Large Mine Expansion Permit for Pinson |
| January 16, 2013 |
Atna Reports 2012 Production Results and 2013 Outlook |
| January 08, 2013 |
Mr. Daniel Saint Don Joins Atna as Vice President and Chief Operating Officer |
| December 11, 2012 |
Drilling at Pinson Continues to Confirm High Gold Grades |
| November 15, 2012 |
Pinson Open Pit Project Drilling Returns 0.098 oz/ton Au over 162 feet |
| November 13, 2012 |
Atna Resources Announces Third Quarter 2012 Earnings and Operations |
| November 06, 2012 |
Development Drilling at Pinson Returns 60 feet of 1.38 oz/ton Au |
| October 15, 2012 |
Atna Reports Third Quarter Development Progress at Pinson |
| October 11, 2012 |
Atna Drills 305 Feet Grading 0.074 oz/ton Gold at Columbia Gold Project |
| September 12, 2012 |
ATNA ANNOUNCES CLOSING OF $17.25 MILLION BOUGHT DEAL FINANCING |
| August 27, 2012 |
ATNA ANNOUNCES FILING OF PRELIMINARY SHORT FORM PROSPECTUS |
| August 22, 2012 |
ATNA ANNOUNCES INCREASE IN PREVIOUSLY ANNOUNCED FINANCING TO C$15,000,000 |
| August 21, 2012 |
ATNA ANNOUNCES $12,500,000 BOUGHT DEAL |
| August 13, 2012 |
Atna Reports Second Quarter 2012 Pre-Tax Earnings of $2.1 Million |
| July 25, 2012 |
Atna Completes Secondary Access at the Pinson Underground Mine |
| July 11, 2012 |
Atna Provides Update on Briggs Operations |
| July 09, 2012 |
Atna Reports Increased Mine Life for Reward Gold Project, Nevada |
| June 29, 2012 |
Atna Provides Development Update on Pinson |
| June 06, 2012 |
Atna Announces Results of Annual General & Special Meeting of Shareholders |
| May 31, 2012 |
Atna Completes NI43-101 Report of Pinson Underground Gold Mine |
| May 22, 2012 |
Atna Completes New NI 43-101 Report on the Briggs Gold Mine |
| May 14, 2012 |
Atna Reports First Quarter 2012 Pre-tax Earnings of $2.9 Million |
| April 30, 2012 |
Atna Resources Adopts Shareholder Rights Plan |
| April 16, 2012 |
Atna Reports Progress on Development of the Pinson Mine |
| April 13, 2012 |
Atna Corrects References to the Columbia Project Technical Report |
| March 28, 2012 |
Conference Call Reminder |
| March 26, 2012 |
Atna Resources Reports Fourth Quarter and 2011 Fiscal Year Results and Highlights |
| February 27, 2012 |
Atna Increases Reward Gold Resource |
| February 16, 2012 |
Atna Resources Extends $20 Million Credit Facility |
| February 06, 2012 |
Atna Announces Significant Increase in Gold Resource at Pinson |
| January 19, 2012 |
Atna Increases Briggs Gold Resource and Replaces Mined Ounces |
| December 05, 2011 |
Atna Resources Begins Work at Pinson |
| November 17, 2011 |
Conference Call Reminder |
| November 15, 2011 |
Atna Drills 385 Feet Grading 0.053 oz/ton Gold at Reward Project |
| November 14, 2011 |
Atna Resources Reports Third Quarter Earnings of $2.5 Million |
| October 24, 2011 |
Atna Drilling Increases Size of Reward Gold Deposit |
| October 12, 2011 |
Atna Completes Briggs Drilling with Strong Gold Intercepts |
| September 26, 2011 |
Rod Gloss Joins Atna Resources as Chief Financial Officer |
| September 13, 2011 |
North Main Zone Expanding at Atna's Briggs Mine |
| September 02, 2011 |
Atna Completes Acquisition of Pinson Gold Mine |
| September 01, 2011 |
Atna Resources Featured on CNBC |
