Riverside Resources Inc. announced that drill results from the first four of nine holes drilled at the Cuarentas Project (the "Project") have been received and are reported below. The primary focus of this initial drill program targeted the Santa Rosalia area with a total of 9 holes (1,500 m). All drill holes intersected the mineralized structure along the 400 m strike-length. Drilling suggests some displacement has occurred between the high-grade surface sampling of old mining areas and the at depth drill intersections. The results have led Riverside to reinterpret this area and apply these findings to the other three target areas. From the first 9 exploration holes the best intercept was from drill hole LC20-001 which returned of 1.04 g/t Au over 3.44 m starting at 66.6 m down hole. Complementary exploration work carried out during the drill campaign show increasing promise for other target areas and will be reported once data review is completed. Post-mineral faulting of the high-grade surface vein (2.1 m @ 21.9 g/t Au) at the former Santa Rosalia mine has been intercepted with the drilling and the revised structural interpretation now shows some offset in mineralization. The drill core assays from this campaign returned anomalous base metals (Cu, Pb, Zn) as well as the minerals gypsum and pyrite which could relate to a nearby porphyry Cu style system. The Laramide age rocks at the property may host a higher temperature, porphyry Cu system laterally or at depth on Riverside's mineral tenure.