ARIS MINING EXPANDS HIGH-GRADE SEGOVIA RESERVE AND RESOURCE ESTIMATES

Core Viewpoint - Aris Mining Corporation has updated its Segovia mineral reserve and resource estimates, showing significant increases in both measured and indicated resources as well as proven and probable reserves, indicating strong asset performance and long-term value creation potential for the company [2][7]. Mineral Resource Estimates - Measured and indicated resources increased by 7% to 3.6 million ounces (Moz) from 3.4 Moz in the 2024 estimate [7]. - Inferred resources grew by 12% to 2.9 Moz, reflecting ongoing exploration success [7]. - The average grade of measured and indicated resources is 15.3 grams per tonne (g/t) of gold [7]. Mineral Reserve Estimates - Proven and probable reserves increased by 12% to 1.5 Moz, up from 1.3 Moz in the 2024 estimate [7]. - The average grade of proven and probable reserves is 10.7 g/t of gold [7]. - The company utilized a gold price of $2,800 per ounce for the 2025 mineral reserve estimate, compared to $1,915 per ounce for the 2024 estimate [11]. Sensitivity Analysis - A sensitivity analysis was conducted across a range of gold prices from $2,100 to $3,200 per ounce, demonstrating that the Segovia mineral resource is largely insensitive to gold price assumptions [3]. - The analysis shows that measured and indicated contained gold ranges from 3.4 Moz to 3.6 Moz, highlighting the high-grade nature of the deposit [3]. Operational Context - Aris Mining operates two underground gold mines in Colombia, with a target annual production rate of over 500,000 ounces of gold following recent expansions [17]. - The company is also advancing other projects, including the Toroparu gold project in Guyana and the Soto Norte project, which are expected to contribute to future growth [18][19].