Tristar Gold is developing the Castelo de Sonhos gold project in Brazil, with significant resources estimated at 1.8 million ounces indicated and 0.7 million ounces inferred. The project demonstrates strong economics, with a pre-tax IRR of 33% and NPV of $399 million based on a gold price of $1,550 per ounce, while expected production is about 121,000 ounces per year over an 11-year mine life. The company highlights risks associated with market fluctuations, regulatory requirements, and operational challenges that could affect future outcomes.