MONTREAL, March 03, 2021 (GLOBE NEWSWIRE) — Osisko Development Corp. ( "Osisko" or the "Company") (TSX.V-ODV) is pleased to announce new drilling results from the exploration and delineation program on the Island Mountain, Mosquito Creek and Shaft Zone Deposits on the Cariboo Gold Project (" Cariboo ") in central British Columbia. This news release discusses the assay results from holes IM-20-001 to IM-20-035 drilled on the Mosquito Creek and Shaft Zone in 2020 (Figures 1 to 3). Highlights include 63.20 g/t Au over 3.20 meters in hole IM-20-002 on Shaft Zone including a sample of 181 g/t Au over 0.80 meter. A total of 13,301 meters were drilled in 76 holes on Mosquito and Shaft in 2020 and many of these assays are pending. The Company is currently drilling on Island Mountain with five diamond drill rigs.