Prospero Silver Corp. is pleased to announce that its JV partner Silver Standard Resources, Inc. has commenced a 4,000 meter diamond drill program with two rigs in the San Luis Cordero project located in central Durango. This initial program is aimed at multiple targets including the extension at depth of the Santa Rosa mineralized zone, the extension to the northwest of the Santa Rosa trend, the chargeability anomaly under the limestone plateau located in the western zone, new vein targets north of and parallel to the Santa Rosa vein, the extension to the east of the Santa Rosa skarn zone, new targets defined by an IP survey and geochemistry in the eastern La Puerta target zone, and an additional hole in the high zinc Canal target zone.