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Includes 28.5 Metres Averaging 4.74% Cu and 27.4 g/t Ag
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MONTREAL, Sept. 10, 2026 (GLOBE NEWSWIRE) — Osisko Metals Incorporated (the “Company” or “Osisko
Metals”) (TSX: OM; OTCQX: OMZNF; FRANKFURT: 0B51) is pleased to announce additional new analytical results from the 2026 drill program at the Gaspé Copper Project, located in the Gaspé Peninsula of Eastern Québec.
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New results are presented below (see Table 1), including 28 mineralized intercepts from 12 drill holes. Reported “infill” intercepts are located within the 2026 MRE model (see April 14, 2026 news release), focused on upgrading Inferred Mineral Resources to Measured or Indicated categories, as applicable. “Expansion” intercepts are located outside the 2026 MRE model and comprise either i) in-pit expansion, which offers potential to convert in-pit waste into additional resources within the 2026 MRE Whittle pit; or ii) out-of-pit expansion, consisting of mineralization located outside the 2026 MRE Whittle pit, which may potentially lead to the definition of new resources. Some of the reported intercepts may have contiguous shallower infill as well as deeper expansion (noted as “Both”). Maps showing hole locations are available at www.osiskometals.com.
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Osisko Metals Chief Executive Officer Robert Wares commented: “We are very pleased with these excellent new results from the current drilling, particularly the high-grade intercept in hole 30-1228 located 800 metres west of the 2026 MRE model. The mineralized system continues to expand beyond the current pit limits with noticeable grade improvement in the area around Needle Mountain. Additionally, infill holes 30-1233 and 30-1235 produced better-than-average grades at the south end of the 2026 MRE model. New assay results are now being received at a faster pace, and we expect to provide continuous updates throughout the fall.”
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Highlights
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- 256.5 metres averaging 0.85% Cu (Out-of-pit expansion) in DDH 30-1228, including 28.5 metres averaging 4.74% Cu and 27.4 g/t Ag
- 257.5 metres averaging 0.39%
Cu (Infill) in DDH 30-1235 - 177.5 metres averaging 0.40% Cu (Infill) in DDH 30-1233
- 101.0 metres averaging 0.44%
Cu (In-pit expansion) in DDH 30-1226 - 67.7 metres averaging 0.63%
Cu (Out-of-pit expansion) in DDH 30-1234 - 49.7 metres averaging 0.74%
Cu (Out-of-pit expansion) in DDH 30-1225
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Table 1: Infill and Expansion Drilling Results
Article contentDDH No.From (m)To (m)Length (m)Cu %Ag g/tMo %CuEq* %Type**30-1224123.0151.028.00.242.35<0.0050.24Expansion 1and318.0366.048.00.161.280.0410.30Expansion 1and390.0428.038.00.151.440.0390.29Expansion 1and546.8700.0153.20.201.580.0230.28Expansion 230-122557.075.018.00.141.07<0.0050.14Expansion 2and88.3141.052.70.362.11<0.0050.37Expansion 2and178.3228.049.70.743.86<0.0050.75Expansion 2and259.5265.56.01.196.10<0.0051.20Expansion 230-122643.0144.0101.00.442.35<0.0050.45Expansion 1and196.5214.518.00.312.07<0.0050.32Expansion 2and295.5324.028.50.242.73<0.0050.24Expansion 230-122773.0104.031.00.201.54<0.0050.20Infilland144.0172.528.50.252.240.0050.27Expansion 1and204.0226.022.00.181.570.0140.23Expansion 1and254.0277.523.50.161.670.0080.18Expansion 130-122833.0289.5256.50.855.13<0.0050.86Expansion 2(including)199.5228.028.54.7427.40.0054.78Expansion 230-122919.5157.0137.50.341.33<0.0050.34Infill30-1230195.6258.062.40.171.12<0.0050.17Expansion 2and292.2316.524.30.221.24<0.0050.22Expansion 230-1231184.5240.055.50.191.98<0.0050.19Expansion 2And270.6346.575.90.282.10<0.0050.28Expansion 230-123230.055.025.00.202.42<0.0050.20Expansion 230-123316.0193.5177.50.402.88<0.0050.41Infilland222.0298.576.50.423.91<0.0050.43Infilland327.0379.552.50.352.93<0.0050.35Infill30-1234135.3203.067.70.633.22<0.0050.64Expansion 2and234.0280.546.50.291.55<0.0050.29Expansion 230-123547.0304.5257.50.393.60<0.0050.40Infill