Osisko Development Provides Infill Drilling Update on Its 13,000-Meter Lowhee Program at Cariboo Gold Project; Intercepts Include 45.24 G/T Gold Over 3.0 Meters, Including 233.92 G/T Gold Over 0.5 Meters

Core Insights - Osisko Development Corp. has announced new infill drilling results from its ongoing 13,000-meter program at the Cariboo Gold Project, indicating promising continuity and high-grade gold intercepts [2][3][4] Infill Drilling Program - The infill drilling program commenced in August 2025, focusing on the Lowhee Zone of the Cariboo Gold Project, with 2,279 meters completed so far, representing approximately 17.5% of the total planned drilling [2][4] - Initial results show high-grade gold intercepts, including 45.24 g/t Au over 3.0 meters, reinforcing the potential for delineating new zones and expanding existing ones [4][5][6] Geological and Resource Insights - The Lowhee Zone has been identified as a high-priority drill target, with previous drilling campaigns successfully identifying auriferous quartz-carbonate veins [20][21] - The Cariboo Gold Project hosts probable mineral reserves of 2.07 million ounces of contained gold, with measured and indicated resources totaling 1.68 million ounces [27] Project Development and Infrastructure - The Cariboo Gold Project is a permitted, 100%-owned feasibility-stage project located in central British Columbia, covering approximately 186,740 hectares [26] - The project has received key environmental permits, solidifying its shovel-ready status for future development [26][27] Future Outlook - The comprehensive drilling program is designed to provide critical data for resource modeling, mine planning, and optimization of production stope design, with further updates expected as drilling progresses [3][4]