Aura Minerals Announces Updated San Andres Mine NI 43-101 Showing an Increase in Mineral Reserve and Mineral Resource Estimates - Seite 2

Mineral Resources as at December 31, 2013

Resource Category		Tonnes (000)		Gold Grade (g/t)		Contained Gold Ounces (000)
Measured		16,238		0.48		252
Indicated		88,603		0.49		1,407
Measured & Indicated		104,841		0.49		1,660
Inferred		4,348		0.49		69

1. The Mineral Resource estimate is based on an optimized shell using $1,600/oz gold.
2. The cut-off grade used was 0.23 g/t for oxide material and 0.30 g/t for mixed material.
3. Contained metal figures may not add due to rounding.
4. Surface topography as of December 31, 2013, and a 200m river offset restriction have been imposed.
5. Mineral Resources are inclusive of Mineral Reserves.
6. The estimate of Mineral Resources may be materially affected by environmental, permitting, legal, marketing, or other relevant issues.
7. The Mineral Resources in this news release were estimated using the Canadian Institute of Mining, Metallurgy and Petroleum (CIM) Standards on Mineral Resources and Reserves, Definitions and Guidelines prepared by the CIM Standing Committee on Reserve Definitions and adopted by the CIM Council.

The 1,660 koz of gold in total Measured and Indicated Mineral Resources as of December 31, 2013 represents a 1.7% increase - before taking account of depletion from mining activities in the 2012 and 2013 years - as compared to the Company's previously reported Measured and Indicated Mineral Resources, as of December 31, 2011, of 98.9 Mt grading 0.51 g/t gold which contained 1,631 koz of gold.