Osisko Mining Inc. provided new results from the ongoing drill program at its 100% owned Windfall Lake gold project located in the Abitibi greenstone belt, Urban Township, Eeyou Istchee James Bay, Quebec. The 800,000 metre drill program combines definition, expansion and exploration drilling in and around the main Windfall gold deposit and the adjacent Lynx deposit (located immediately NE of Windfall). Highlights from the new results include: 56.1 g/t Au over 8.9 metres in OSK-W-17-1336-W1; 218 g/t Au over 2.1 metres in OSK-W-17-1191; 160 g/t over 2.0 metres in OSK-W-17-1142-W1; 106 g/t Au over 3.0 metres in OSK-W-17-1305; 30.8 g/t over 9.9 metres in OSK-OBM-16-693; 83.5 g/t Au over 3.4 metres in OSK-W-17-780-W1; 128 g/t Au over 2.1 metres in OSK-W-17-1203; 58.8 g/t Au over 2.5 metres in OSK-W-17-1095; 72.8 g/t Au over 2.0 metres in OSK-W-17-1020; 42.4 g/t Au over 3.3 metres in OSK-W-17-1138; 52.8 g/t Au over 2.3 metres in OSK-W-17-1381; 26.2 g/t Au over 3.8 metres in OSK-W-17-1374; 41.9 g/t Au over 2.0 metres in OSK-W-17-1289; 14.1 g/t Au over 5.6 metres in OSK-W-17-1255; and 26.5 g/t Au over 2.1 metres in OSK-W-17-1142. OSK-OBM-16-693 intersected 30.8 g/t Au over 9.9 metres in the Underdog Corridor. Mineralization is composed of up to 10% pyrite-silica flooding, up to 5% pyrite stringers, 3% disseminated pyrite, and local visible gold. The host rhyolite, in contact with a porphyritic felsic dike, is strongly silica and sericite altered. OSK-W-17-780-W1 intersected 83.5 g/t Au over 3.4 metres in FW3 HW. Mineralization is composed of 4% pyrite stringers and smoky quartz veins within a strongly silica altered porphyritic felsic dike. OSK-W-17-1020 intersected 72.8 g/t Au over 2.0 meters in the new Bobcat Zone. This zone is NE along strike and on top of the Caribou corridor. The two zones have parallel plunges to the North-East. Mineralization is composed of 1% disseminated pyrite and 2% of pyrite-silica flooding within a strongly sericitized rhyolite. OSK-W-17-1095 intersected 58.8 g/t Au over 2.5 metres in Zone 27. Mineralization is composed of up to 5% pyrite with low angle silica flooding hosted in a strongly silicified and fuchsitized andesite. OSK-W-17-1138 intersected 42.4 g/t Au over 3.3 metres in Bobcat. Mineralization is very near surface (starting 11 metres downhole) and is composed of 3% silica flooding, 1% disseminated pyrite and crustiform vein within a sericitized rhyolite. OSK-W-17-1139 intersected two veins in a sheared andesite south of the main zone. Mineralization, 4.29 g/t Au over 2.2 metres and 4.53 g/t au over 2.6 metres, is composed of up to 4% disseminated pyrite within a chloritized andesite. OSK-W-17-1142-W1 intersected 160 g/t Au over 2.0 metres providing a new hit for Drake. Mineralization is composed of up to 10% pyrite, local visible gold and electrum associated in quartz-carbonate veins. The bleached andesite is near the Red Dog contact. OSK-W-17-1191 intersected 218 g/t Au over 2.1 metres in Zone 27. Mineralization is composed of 5% pyrite stringers and 3% pyrite fragments within a strongly sericitized and silicified andesite. OSK-W-17-1203 intersected 128 g/t Au over 2.1 metres in Zone 27. Mineralization is composed of up to 20% pyrite, pyrite silica flooding and local visible gold within a strongly silicified rhyolite. OSK-W-17-1251 intersected 8.89 g/t Au over 3.0 metres, 3.86 g/t Au over 4.0 metres and 4.11 g/t Au over 3.0 metres in Bobcat. The first interval is composed of up to 7% pyrite-silica flooding and 1% ptygmatic tourmaline veins within a strongly sericitized and silicified felsic porphyritic dike. The second interval is within a sericitized rhyolite and composed of up to 5% pyrite stringers and disseminated pyrite. The third interval is within a quartz crustiform vein. OSK-W-17-1255 intersected 14.1 g/t Au over 5.6 metres in Bobcat. Mineralization is composed of up to 10% pyrite within a pyrite-silica flooding running at low core angle. The hosting gabbro is strongly altered in silica and sericite. OSK-W-17-1289 intersected 41.9 g/t Au over 2.0 meters in Mallard. Mineralization is composed of 1% disseminated pyrite in quartz-tourmaline veins within a chloritized andesite. OSK-W-17-1305 intersected 106 g/t Au over 3.0 metres in Caribou Corridor. Mineralization is composed of disseminated pyrite within quartz-carbonate veins hosted in a sericitized andesite. OSK-W-17-1336-W1 intersected 56.1 g/t Au over 8.9 metres in Underdog Corridor. Mineralization is composed of local visible gold with up to 8% pyrite stringers, disseminated chalcopyrite and quartz-tourmaline veins within a silicified porphyritic felsic dike. OSK-W-17-1381 intersected 16.7 g/t Au over 2.3 metres in Bobcat and 52.8 g/t Au over 2.3 metres in Zone 27. The first interval is composed of 2% pyrite stringers, 3% pyrite fragments and a 10 centimetres quartz-carbonate vein within a sericitized and silicified rhyolite. The second interval, is composed of 4% disseminated pyrite and local visible gold within a quartz-cabonate vein hosted in a chloritized andesite. OSK-W-17-1383 intersected four intervals in Bobcat: 13.1 g/t Au over 4.7 metres, 4.01 g/t Au over 4.0 metres, 5.01 g/t Au over 2.1 metres and 5.33 g/t Au over 2.1 metres. Mineralization is composed of up to 5% pyrite stringers, 1% pyrite tourmaline stringers and up to 1% disseminated pyrite. The first interval is in a porphyritic felsic dike and the three others are in crustiform veins within a silicified rhyolite. Zone 27 results also include 12 intercepts from 7 drill holes and one wedge. Mineralization is composed of up to 15% pyrite, disseminated or in stringers associated with quartz-tourmaline veins. Host rocks are rhyolites, andesites and felsic dikes. Caribou results also include 18 intercepts from 12 drill holes. Mineralization is composed of up to 20% pyrite, usually in stringers, locally semi-massive, and quartz-tourmaline veins hosted in altered porphyritic felsic dikes, andesites and rhyolites. Wolf results include 4 intercepts from 2 drill holes and 2 wedges. Mineralization is composed of up to 70% pyrite-silica flooding, up to 20% pyrite stringers, and ptygmatic tourmaline veins hosted in silicified, sericitized and fuchsitized andesite. Underdog results also include 4 intercepts from 4 drill holes. Mineralization is composed of up to 20% pyrite, usually in stringers associated with trace quartz-tourmaline veins and hosted in porphyritic felsic dikes. Host dikes are strongly silica altered. Bobcat results also include 11 intercepts from 7 drill holes. Mineralization is composed of up to 10% pyrite-silica flooding, up to 5% disseminated pyrite and crustiform quartz veins within chloritized, sericitized andesites, rhyolites and felsic dikes.