Radisson Announces Positive Metallurgical Study at O'Brien and Provides Update on Milling Assessment at IAMGOLD's Doyon-Westwood Complex

Core Insights - Radisson Mining Resources announced positive results from a metallurgical study at its O'Brien Gold Project, indicating gold recoveries between 86% and 96% based on various processing options [1][2][18] - The study was conducted in collaboration with IAMGOLD Corporation to assess the feasibility of processing O'Brien's mined material at IAMGOLD's Doyon mill [1][4][8] Metallurgical Study Results - Gold recovery rates achieved were 86% using a Gravity-Leach flow sheet, 90% with a Gravity-Flotation-Regrind-Leach flow sheet, and between 94% and 96% when considering the sale of a flotation concentrate [2][3][19] - The metallurgical program utilized 35 samples of mineralized core with gold grades ranging from 0.8 g/t to 49.1 g/t [5][6] Processing Options - The Doyon mill, located 21 kilometers from O'Brien, currently processes approximately 3,000 tonnes per day and has the capacity for modifications to accommodate the processing of O'Brien material [7][18] - The milling assessment indicates that minimal to modest capital investments are required for mill modifications to facilitate the proposed processing options [18][21] Future Plans - Radisson plans to complete a Preliminary Economic Assessment for the O'Brien project, utilizing the current 2023 Mineral Resource Estimate for mine planning [4][18] - The company has engaged Ausenco for processing design and financial modeling, InnovExplo for mine design, and BBA Inc. for environmental assessment and permitting requirements [4][18]