| 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 |
| August 15, 2011 |
Atna Resources Reports Second Quarter Earnings of $1.1 Million |
| August 12, 2011 |
Douglas Stewart Joins Atna As Chief Operating Officer |
| August 11, 2011 |
Atna Resources Acquires Pinson Gold Mine |
| July 11, 2011 |
Atna Options to Sell Three Canadian Properties |
| June 30, 2011 |
Atna Enters Agreement to Sell its Atlanta Property |
| June 22, 2011 |
Atna Completes Leach Pad Expansion at Briggs |
| June 20, 2011 |
Atna's North Main Briggs Zone Expanding |
| May 25, 2011 |
Atna Drills 100 feet (30.5 m) grading 0.058 oz/ton gold (1.97 g/t) |
| May 23, 2011 |
Atna Resources Reports First Quarter 2011 Results |
| May 09, 2011 |
Atna Announces Results of AGM |
| May 02, 2011 |
Atna Expands New Reserve Area |
| April 07, 2011 |
Atna Announces Expansion of Deep Briggs Zone |
| April 05, 2011 |
Paul H. Zink Joins Atna's Board of Directors |
| March 30, 2011 |
Atna Receives Shareholder Request Regarding 2011 Annual Meeting |
| March 28, 2011 |
Conference Call Reminder |
| March 23, 2011 |
Atna Resources Reports Fourth Quarter and 2010 Fiscal Year End Results |
| March 22, 2011 |
Atna Reports Additional Positive Drill Results at Briggs Mine |
| March 03, 2011 |
Atna Reports Updated Gold Reserves at Briggs and Reward Mines |
| February 28, 2011 |
Atna Reports Initial Drill Results at Briggs Mine |
| January 27, 2011 |
Atna Commences Briggs Mine Exploration |
| January 24, 2011 |
Atna Reports Increased Gold Production and Lower Costs at Briggs Mine |
| November 17, 2010 |
Atna Announces Filing of Preliminary Short Form Prospectus |
| November 15, 2010 |
Atna Resources Reports Third Quarter 2010 Results and Update of Operations |
| November 10, 2010 |
Atna Resources Ltd. Announces CAD$8.0 Million Bought Deal Financing |
| October 06, 2010 |
Atna Reports Strong Production at Briggs Mine |
| September 30, 2010 |
Atna Identifies Potential to Increase Reserves at Reward Project |
| September 08, 2010 |
Atna Announces Amendment of Convertible Debentures |
| August 12, 2010 |
Atna Resources Reports Second Quarter 2010 Results |
| August 05, 2010 |
Atna Resources Announces Resignation of Director |
| July 05, 2010 |
Atna Announces Gold Participating Bond Offering |
| May 25, 2010 |
Atna Announces Positive Preliminary Economic Assessment for the Columbia Gold Project |
| May 17, 2010 |
Atna Resources Reports First Quarter 2010 Results |
| April 14, 2010 |
Atna Resources Presents at European Gold Forum! |
| March 26, 2010 |
Atna Resources Reports Fourth Quarter and Year End 2009 Results |
| March 02, 2010 |
Atna Provides NI-43-101 Resource Estimate for Cecil R Project |
| February 26, 2010 |
Atna Reaches Commercial Production Levels at the Briggs Mine |
| February 22, 2010 |
Atna Updates Reserve Estimates for Briggs and Reward |
| February 16, 2010 |
Atna Initiates Development of Reward Gold Mine |
| February 01, 2010 |
Atna Resources Begins Trading on OTC Bulletin Board |
