Orosur Mining (OMI) Investor update summary

Recent project developments and acquisitions

• Completed acquisition of Minera Monte Águila, gaining full control of Colombian assets with no upfront cash payment, only future royalties.

• Now holds 100% or pathway to 100% ownership of major gold projects in Colombia and Argentina, providing significant operational flexibility.

• Land position in Colombia has more than doubled to approximately 400 sq km, making it a dominant landholder in the Mid-Cauca Belt.

• Recent high-grade drill results at Pepas have significantly raised the company's profile and share price.

• Drilling permits secured for El Pantano in Argentina, with exploration set to begin in the new year.

Exploration and drilling updates

• Pepas drilling has returned exceptional grades and thicknesses, with ongoing work to determine orientation and resource potential.

• APTA prospect under review for potential resource definition, with consultants to be engaged for geological modeling.

• El Roble and El Cedro porphyry targets in Colombia remain on the agenda for future drilling, depending on priorities and funding.

• El Pantano in Argentina is geologically promising, with a large rift system and all key indicators for gold mineralization.

• Drilling programs are expanding at Pepas due to security and momentum, with plans to potentially add a second rig.

Financial and strategic positioning

• Cash on hand is just over $0.5 million, with careful spending and plans to raise additional funds as activity increases.

• Full ownership of Anzá simplifies valuation and enhances attractiveness to investors and potential partners.

• Increased market interest and institutional attention following recent drill results and market cap growth to CAD 30 million.

• Optionality to pursue joint ventures selectively, with no immediate plans to partner on Pepas due to its strong economics.

• Warrant exercises have begun, with more possible if share price remains strong.