Fortuna Reports Updated Reserves and Resources

Fortuna Silver Mines Inc.

announces updated Mineral Reserve and Mineral Resource estimates for the Caylloma Mine located in southern Peru and for the San Jose Mine located in southern Mexico. Highlights of Reserve and Resource Update Proven and Probable Reserves of the silver-rich veins at Caylloma increased by 51.7% to 781,000 tonnes. Contained silver increased by 40.3% to 9.4 million ounces. Combined Proven and Probable Reserves for the silver-rich and polymetallic veins at Caylloma increased by 12.2% to 4.6 million tonnes after replacement of 674,010 tonnes consumed through production. Contained silver decreased by 1.9% to 20.2 million ounces. Measured and Indicated Resources at Caylloma increased by 19.7% to 2.3 million tonnes and contained silver increased by 20.3% to 8.9 million ounces. Inferred Resources at Caylloma decreased by 2.3% to 3.3 million tonnes while contained silver decreased by 7.8% to 11.8 million ounces. Proven and Probable Reserves at San Jose decreased marginally by 4.5% to 3.6 million tonnes, all related to extraction of 171,000 tonnes following mine start-up in August 2011. Contained silver decreased by 3.7% to 23.6 million ounces. There were no material changes in the Indicated or Inferred Resources at San Jose. Combined Proven and Probable Reserves for the Caylloma and San Jose mines increased by 4.2% to 8.2 million tonnes containing 43.8 million ounces of silver and 233,200 ounces of gold. Combined Measured and Indicated Resources for the Caylloma and San Jose mines increased by 16.4% to 2.6 million tonnes containing 11.9 million ounces of silver and 47,400 ounces of gold. Combined Inferred Resources for the Caylloma and San Jose mines decreased marginally by 1.2% to 6.3 million tonnes containing 33.8 million ounces of silver and 216,000 ounces of gold.