New Gold and Silver Discovery at Ninobamba

TORONTO - Rio Silver Inc. reported that the Company has made a new gold and silver discovery at it's 100% owned 2100 hectare Ninobamba project, located approximately 330 kilometres southeast of Lima, in the Department of Ayacucho, Peru. Trench TR-01 was channel sampled in an area showing extensive characteristic high sulphidation alteration mineral assemblages and returned the first extensive gold mineralization at Ninobamba. The gold mineralization demonstrates that the epithermal system at Ninobamba shows typical precious metals zonation,

North-South channel sampling along trench TR-01 returned 142 metres grading 0.48 g/t Au and 55 g/t Ag along its entire length. Three distinct zones of mineralization are exposed in TR-01. The initial 20 metres starting from the southern end of the trench returned 41 g/t Ag and no gold. The new gold/silver zone is exposed in the middle of the trench and returned 56 metres averaging

1.03 g/t Au and 98.9 g/t Ag. An additional 14 metres immediately north of the gold zone returned 14 metres averaging 0.22 g/t Au and 57 g/t Ag.