Seabridge Gold (SEA) investor relations material

Strategic growth and resource expansion

• Achieved over 1,168% growth in gold resources from 2003 to June 2026, with only a 290% increase in shares outstanding, demonstrating efficient resource growth relative to dilution.

• Ranks first among North American gold and copper companies in reserves and resources per share, providing superior leverage to both metals.

• Outperformed major gold equities and gold itself since 1999, with a 20,000% relative performance increase.

KSM project highlights

• KSM is the world’s largest gold resource and the second largest copper development resource, with 96M oz M&I and 84M oz inferred gold, and 10M tonnes M&I plus 19M tonnes inferred copper.

• 2022 PFS outlines a 33-year mine life, averaging over 1 million oz gold and 178M lbs copper annually, with robust economics: $7.9B NPV and 16.1% IRR at base case prices, and $34.5B NPV and 35.8% IRR at recent spot prices.

• Over $500M invested in early works, securing key permits and achieving Substantially Started designation in July 2024, with legal challenges upheld in court.

• Extensive infrastructure in place, including power, roads, bridges, and fish habitat, with strong First Nations partnerships.

• Actively advancing JV discussions with major mining companies, with due diligence completed by multiple candidates.

Portfolio diversification and exploration

• Bronson Corridor Project expanded inferred resources to 5.4M oz gold and 1.0B lbs copper at Bronson Slope, and 9.2M oz gold and 0.9B lbs copper at Snip North.

• 3 Aces Project in Yukon features high-grade, near-surface gold zones, with 37% of 300 holes intersecting over 5 g/t Au; ongoing exploration aims to delineate resources.

• Snowstorm Project in Nevada targets major gold discoveries at the intersection of three prolific gold belts, with ongoing programs refining exploration targets.