• Second quarter revenues increased by nine percent from $6.1 million in the first quarter to $6.7 million due to increased gold sales and gold price
• Gold mined totaled 6,577 ounces and gold dor� production was 5,339 ounces
• Mining rates at the Briggs Mine increased by 20 percent for the period
• Estimated recoverable gold inventory at quarter end was 10,950 ounces
• An NI 43-101 compliant Technical Report and Preliminary Economic Assessment on the Columbia gold project in Montana was completed with positive results
• All permits are in place at the Reward Mine and the Phase 1 reclamation bond was posted

• Focus on ore control to reduce grade dilution
• Maintain pit development schedule to create security of ore supply
• Increase slope monitoring and improve highwall management to maintain projected production rates

• Reduce reliance on outside and contracted services
• Improve preventative maintenance standards
• Reduce discretionary spending

• Estimated average annual production would average approximately 70,000 ounces of gold and 96,000 ounces of silver over a nine year mine life at an estimated cash cost of $639 per ounce of gold, net of by- product credits
• Using a current gold price of $1,190 per ounce of gold and $18 per ounce of silver the Pre-tax discounted Net Present Value (NPV) and Internal Rate of Return (IRR) are $181 million and 39 percent IRR
• At $900 per ounce of gold and $15 per ounce of silver the NPV is $51 million at discount rate of five percent, and the IRR is 16 percent
• Estimated capital expenditures of US$72.2 million would be recovered in 3.1 years at today's prices and 4.9 years at $900 gold. Capital estimates are based upon owner mining

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 2009 Form 20-F dated March 26, 2010.

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. Investors are urged to closely consider the disclosure in our Form 20-F which may be obtained from Atna or found online at www.sec.gov.