In conjunction with the work done by AGP Mining Consultants, Nevsun has recently announced new increased base metal Canadian NI43-101 compliant mineral resources and reserves estimates at its Bisha Mine in Eritrea. Expressed as contained metal, the copper reserves estimate is 6% higher and the zinc reserves estimate is 38% higher as of May 31, 2012, compared with the previous reserves estimate effective date January 1, 2011.