Copper Standard Resources Inc. announced the commencement of drilling at its Colpayoc Project in the Yanacocha Mining District in Cajamarca, Peru. The Company has started Phase I of a two-phase drill program. Phase I is expected to include approximately 16,400 feet (5,000 meters) of drilling over 18 drill holes to test the potential large copper/gold porphyry and expand the existing resource.

The Company anticipates completion of the Phase I drill program by mid-2024. Phase II to be based upon Phase I results. The Company's proposed drill program stems from the expansion of geologic knowledge and understanding of the deposit attained through the relogging of historical drill core and complementary detailed fieldwork.

During detailed geologic reviews, the Company identified a potential porphyry copper/gold target underlying the previously drilled oxide gold cap. The gold cap contains over 300,000 ounces of an inferred gold resource and remains open both laterally and at depth. Average drill hole depth will be approximately 655 feet (200 meters) where drilling is designed to confirm and expand the current oxide gold resource.

At least two drill holes are expected to reach depths of approximately 1,300 feet (400 meters) to test for the enriched copper and copper-gold primary grades in the untested porphyry system underlying the Daylight oxide gold resource.