Algo Grande Phase 2 Drilling Continues to Advance; Hole 2 Copper Mineralization Zone Doubles in Size

Vancouver, August 11, 2026 – Algo Grande reported the latest progress on Phase 2 drilling at its 100%-owned Adelita Project in Sonora, Mexico. Both drill rigs were operating, and the project was progressing as planned.

Drilling Highlights:

Hole 2 Copper Mineralization Zone Doubles: The copper mineralization interval in drill hole AG_CG_PH2_002 expanded to 77 meters over a 154-meter span (visual observation), more than double the previously reported mineralized length, further confirming the scale of this discovery beneath Cerro Grande.

Hole 3 Intersects a Broad Copper Zone: A total of 74 meters of copper mineralization was logged over the full length of the hole, with the lower 32-meter interval particularly notable, totaling 37 meters of visually observable copper-bearing core.

Vertical Continuity Confirmed: The copper interval observed in Hole 3 was located approximately 105 meters above the mineralized horizon encountered in drill hole AG_GC_002 from the initial Phase 1 drilling program, indicating substantial vertical extent to the mineralization system.

Drilling Progress: Hole 2 had been drilled to 424 meters, with a planned end-of-hole depth of 700 meters; Hole 3 had been drilled to 239 meters. Both holes continued to test the unexplored area beneath Cerro Grande.

First Batch of Samples Submitted: The first batch of core samples from Hole 2 was delivered on August 7, 2026 to the ALS laboratory in Hermosillo, and results were expected in the coming weeks.