Orestone Advances Exploration at Tom East and Kelly Gold Zones on the Francisca Gold Silver Property in Salta Province Argentina

July 20, 2026

Orestone Mining Corp. (TSX Venture Exchange Symbol: ORS) (OTC Pink: ORESF) (FSE: O2R2) (“Orestone” or the “Company”) is pleased to report that follow-up exploration is underway at the recently discovered Tom East and the Kelly gold zones located along Francisca Gold Trend. Current work is focused on expanding the mineralized footprint and defining high-priority drill targets ahead of the Company’s drill program. The 23 square kilometre Francisca Gold-Silver Project, accessed by gravel roads off the paved National Highway RTE 51 in Salta Province, northwestern Argentina lies approximately 80 kilometres northwest of the city of Salta.