Osisko Mining Inc. announced new results from the 2017 drill program at its 100% owned Garrison gold project located in Garrison Township, Ontario. Over 85,000 metres of new drilling have been conducted by Osisko at the Garrison Project since its acquisition in late 2015. A total of fifty-four new intercepts in twenty-eight holes are reported in this release, with significant assay results presented in the table below. Highlights from the new drilling include: 2.65 g/t Au over 70.1 metres in OSK-G17-390; 521 g/t Au over 1.0 metre in OSK-G17-450; 1.53 g/t Au over 62.8 metres in OSK-G17-425; 1.81 g/t Au over 32.0 metres in OSK-G17-424; 5.12 g/t Au over 5.0 metres and 3.21 g/t Au over 16.0 metres in OSK-G17- 435; 2.72 g/t Au over 17.8 metres in OSK-G17-439; 3.73 g/t Au over 12.0 metres in OSK-G17-429; 1.10 g/t Au over 32.4 metres in OSK-G17-387; 1.15 g/t Au over 27.0 metres in OSK-G17-421; 1.47 g/t Au over 20.9 metres in OSK-G17-469; 2.00 g/t Au over 14.7 metres in OSK-G17-392; 3.41 g/t Au over 19.0 metres in OSK-G-17-431; and 14.9 over 2.0 metres in OSK-G-17-446. OSK-G17-363, and OSK-G17-397 were drilled in the eastern part of the 903 Zone, along the same section 2400W. OSK-G17-363 intersected two mineralized zones: 1.04 g/t Au over 15 metres in a quartz-iron carbonate breccia/iron carbonate + hematite altered metasediment; the second mineralized zone intersected 1.03 g/t Au over 6.0 metres within a strong albite-hematite altered porphyritic syenite. OSK-G17-387 and OSK-G17-425 were drilled in the same section 2850W in the central part of the 903 Zone. OSK-G17-387 intersected three mineralized zones: 2.39 g/t Au over 7.9 metres and 2.88 g/t Au over 9.0 metres associated with quartz veining, albite alteration and sulfides within a sub-vertical syenite dyke. The third mineralized zone returned 1.10 g/t Au over 32.4 metres, and is hosted by metasediments at the base of their discordant contact with ultramafic rocks. OSK-G17-425 intersected two mineralized zones: 1.53 g/t Au over 62.8 metres within a massive albite-hematite altered porphyritic syenite. The second mineralized zone is hosted within a shear zone in ultramafic rocks, with fragments of syenite and lamprophyre, averaging 10.18 g/t Au over 2.0 metres. OSK-G17-390 intercepted 1.42 g/t Au over 4.0 metres associated with a minor brown dyke altered with albite and biotite, with quartz veinlets and pyrite dissemination. The hole also intercepted a wide syenite dyke with strong albite-hematite alteration and zones of abundant quartz veining, specularite and euhedral pyrite dissemination returning 2.65 g/t Au over 70.1 metres. OSK-G17-390 represents one of the best mineralized zones intercepted so far at the 903 Zone. OSK-G17-392 was drilled 200 metres west of hole OSK-G17-387 and OSK-G17-425 in the central 903 Zone, intersecting two mineralized zones associated to iron carbonate + hematite altered metasediments, near the discordant contact between sediments and ultramafic rocks. The first interval averaged 2.66 g/t Au over 3.0 metres, and the second zone averaged 2.00 g/t Au over 14.7 metres. This deeper zone represents the strike extension of the zone. OSK-G17-413, -416, -421 were designed to test the mineralized zone dipping below the Garrcon east bulk sample pit. OSK-G17-413 intersected 1.16 g/t Au over 7.0 metres and 4.99 g/t Au over 2.0 metres; OSK-G17-416 intersected 0.87 g/t Au over 29.5 metres; OSK-G17-421 intersected 1.40 g/t Au over 10.0 metres, 0.83 g/t Au over 31.5 metres, and 1.15 g/t over 27.0 metres. Mineralization is closely associated with the N-NE trending, east dipping, quartz iron carbonate veins, breccias and fractures showing albite, sericite, and iron carbonate alteration of the host rock. Local pyrite concentrations up to 2% along with local visible gold within the veins mark the most common mineralization seen.