OSISKO EXPANSION DRILLING INTERSECTS HIGH GRADE AT WINDFALL

OSISKO EXPANSION DRILLING INTERSECTS HIGH GRADE AT WINDFALL

143 g/t Au Over 2.0 Metres in Lynx Extension
35 g/t Au Over 5.3 Metres in Triple LynxTORONTO, April 07, 2020 (GLOBE NEWSWIRE) — Osisko Mining Inc. (OSK:TSX. “Osisko” or the “Corporation”) is pleased to provide new infill drilling results from the definition and expansion drill program at its 100% owned Windfall gold project located in the Abitibi greenstone belt, Urban Township, Eeyou Istchee James Bay, Québec.Operations are temporarily suspended in respect of the Government of Québec’s closure of all non-essential business in effort to contain COVID-19. Osisko is ready to resume drilling activities at Windfall once the temporary suspension is lifted. Drilling will remain focused on the Lynx deposit, exploration on the main mineralized zones, and deep exploration in the central areas of the mineralized system.Significant new analytical results are presented below and include 35 intercepts in 7 drill holes, 8 wedges and one extension of a previous drilled hole.  All intercepts reported below are located outside the February 2020 mineral resource estimate wireframes (see Osisko news release dated February 19, 2020) and represent expansion of known mineralized zones.Selected high-grade intercepts include: 143 g/t Au over 2.0 metres and 64.4 g/t Au over 2.2 metres in OSK-W-19-2197-W1; 35.0 g/t Au over 5.3 metres in OSK-W-20-2123-W4; 39.8 g/t Au over 2.3 metres in OSK-W-20-2139-W6; and 37.3 g/t Au over 2.4 metres in WST-20-0339. Maps showing hole locations and full analytical results are available at www.osiskomining.com.Notes: True widths are estimated at 55 – 80% of the reported core length interval. See “Quality Control and Reporting Protocols” below.Drill hole location
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