Tier One renews Curibaya deal with Chipispaya community

Executive Summary

• Tier One Silver Inc. has renewed its social access agreement with the Chipispaya community at its Curibaya project in Peru, securing access through June 11, 2026.
• The company is preparing for a new drill campaign scheduled to begin in the first quarter of 2026, focusing on the undrilled Cambaya corridors to test high-grade silver-gold and copper potential.
• The 17,000-hectare Curibaya project hosts six distinct high-grade silver-gold mineralized kilometric corridors and a copper porphyry target, with only a fraction of the property explored to date.

Key Details

• Community Agreement: Renewed social access agreement with the Chipispaya community, effective through June 11, 2026, subject to extension via community assembly approval.
• Commitments: Tier One committed to continuing support for local employment and training initiatives.
• Drilling Plans: Next drill campaign planned for Q1 2026.
• Drilling Focus: Expansion of the highest-priority silver-gold target in the Cambaya area, which has never been drilled.
• Project Scope: Curibaya project is 17,000 hectares, located on a prolific copper porphyry belt.
• Geological Targets: Six distinct high-grade silver-gold mineralized kilometric corridors identified; one compelling copper porphyry target identified.
• Exploration Status: Extensive mineralization indicators present, but only a fraction of the property has been explored.
• Qualified Person: Christian Rios (Senior Vice-President of Exploration, PGeo) reviewed and approved the technical contents.

Notable Quotes

• "We are very pleased to extend our partnership with the Chipispaya community, whose collaboration continues to allow us to responsibly advance Curibaya. Securing this renewed social access agreement provides Tier One with the access required to prepare for the next phase of drilling, which seeks to unlock the significant high-grade silver-gold and copper potential we see at the Cambaya corridors, which have never been drilled, and across the broader project area." — Peter Dembicki, CEO