Aura Minerals Announces Updated San Andres Mine NI 43-101 Showing an Increase in Mineral Reserve and Mineral Resource Estimates

TORONTO, ONTARIO--(Marketwired - May 27, 2014) - Aura Minerals Inc. (the "Company") (TSX:ORA) announces updated NI 43-101 compliant Mineral Reserve and Mineral Resource estimates for its wholly-owned San Andres Mine located in the Department of Copan, Honduras.

Highlights

• a 44% increase in total Proven and Probable Mineral Reserves to 1,129 thousand ounces ('koz") of contained gold at a cut-off of 0.28 grams per tonne ("g/t") for oxide material and 0.37 g/t for mixed material
  
  
• a 1.7% increase in Measured and Indicated Mineral Resources to 1,660 koz of contained gold at a cut-off of 0.23 g/t for oxide material and 0.30 g/t for mixed material
  
  
• planned tonnage increase going forward to approximately 7 Mt of processed material per year
  
  
• current and anticipated reduction in operating costs.
  
  

Mineral Reserves as at December 31, 2013

Reserve Category		Tonnes (000)		Gold Grade (g/t)		Contained Gold Ounces (000)
Proven		14,714		0.50		237
Probable		53,388		0.52		892
Proven and Probable		68,102		0.52		1,129

1. The mineral reserve estimates are based on an optimized pit, which has been made operational, using $1,300/oz gold.
2. The cut-off grade used was 0.28 g/t for oxide material and 0.37 g/t for mixed material.
3. Contained metal figures may not add due to rounding.
4. Surface topography as of December 31, 2013.

The 1,129 koz of contained gold in total Proven and Probable Mineral Reserves represents a 44% increase - before taking account of depletion from mining activities in the 2012 and 2013 years - as compared to the previously reported total Proven and Probable Mineral Reserves as of December 31, 2011 of 45.7 million tonnes ("Mt") grading 0.53 g/t gold which contained 784 koz of gold.