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Operations
Operations

Reserves and Resources

Sao Vicente Mine Reserves and Resources

Mineral resource and reserve estimates as of September 30, 2011.

Mineral Resource Category

Tonnes
(000)

Grade
(g/t Au)

Gold Ounces
(000)

Measured

4,233

0.95

129

Indicated

1,737

0.84

47

Total Measured and Indicated Mineral Resources

5,970

0.91

175

Inferred Resources

291

0.46

4

Note: The mineral resource estimate is based on a cut-off grade of 0.25 g/t Au for dump leach ore and 0.40 g/t Au for crushed gravity ore. Mineral resources are inclusive of mineral reserves.


Mineral Reserve Category

Tonnes
(000)

Grade
(g/t Au)

Gold Ounces
(000)

Proven

2,165

0.85

59

Probable

779

0.79

20

Total Proven and Probable Mineral Reserves

2,943

0.84

79

Note: The mineral reserve estimate is based on a cut-off grade of 0.25 g/t Au for dump leach ore and 0.40 g/t Au for crushed gravity ore.

The resource and reserve estimation has been prepared for Aura Minerals, under the direction of Ivan C. Machado, M.Sc., P.E., P.Eng., Principal of TechnoMine Services, LLC, an independent Qualified Person for the purpose of National Instrument 43-101. A report under National Instrument 43-101, disclosing the updated resource and reserve estimates for the Sao Vicente Mine, is being prepared by MCB Serviços e Mineração Ltda., under the direction of Mr. Machado and will be filed by Aura Minerals on SEDAR within 45 days of the November 10, 2011 news release.