Sentinel Metals (SNM) Corporate presentation summary

Project overview and strategy

• Advancing the Columbia Gold Project in Montana, USA, with a large-scale resource and near-term development potential.

• Strategic focus on building a portfolio of gold assets to feed a central processing hub, accelerating Columbia into production, and pursuing selective acquisitions.

• Committed to high standards of safety, environmental stewardship, and stakeholder engagement.

Resource and exploration potential

• Current JORC (2012) inferred resource: 21.4Mt at 1.34g/t Au for 920,000oz Au, plus 3,140koz Ag, with a gold equivalent (AuEq) of 960koz at 1.4g/t.

• Independent exploration target of 800,000–1,200,000oz Au at 1.1–1.4g/t, open in all directions and at depth along a 2km strike length.

• Eleven resource domains identified, with significant high-grade and long intercepts from historical drilling.

• Deposit hosted in low-sulfidation epithermal system, with bonanza-grade zones and strong vertical continuity.

Location and jurisdiction

• Project located 13km from Lincoln, Montana, and 64km from Helena, with excellent access to infrastructure and workforce.

• Montana is a top-tier gold mining region with a strong mining legacy, regulatory support, and recent permitting momentum.

• Land package includes 17 patented claims (100% owned) and 155 unpatented claims, granting full mineral and surface rights.