Osisko Metals Incorporated · TSX:OM
Osisko Metals — Investor Presentation (April 2025)
26 slides from Osisko Metals's investor presentation, April 2025
Slide 1: Canada’s Next Leading Copper Development Company
Canada’s Next Leading Copper Development Company April 2025 TSXV: OM | OTCQX: OMZNF | FRA: 0B51
Slide 2: Forward-looking statements and cautionary notes regarding technical information
Forward-looking statements and cautionary notes regarding technical information Thi s present ation (the "Presentat ion") contains "forward-looki ng information" within the meani ng of applicable Canadi an securities legislati on. These “forward-looki ng information” are based on the expectati ons,
Slide 3: Why invest in Osisko Metals: Canada’s next leading critical metals developer
Why invest in Osisko Metals: Canada’s next leading critical metals developer Strong balance sheet with closing of recent bought-deal financing • C$107M gross proceeds to fund the Gaspé Copper Project to a construction decision Experienced, highly successful leadership team with a history of world-cl
Slide 4: Gaspé Copper: A brownfield site with infrastructure all in place
Gaspé Copper: A brownfield site with infrastructure – highways, rail, power, and port – all in place • Acquired from Glencore Canada in July 2023 • Highway access from Gaspé Copper to deep-sea port, rail, and airport • Hydroelectric power available on site; 70 MW of green wind power generation surro
Slide 5: Gaspé Copper produced more than 141 Mt at 0.9% copper over 44 years
Gaspé Copper produced more than 141 Mt at 0.9% copper over 44 years from underground galleries and open pit Copper futures currently trading at $5.03/lb 5.00 4.00 3.00 Mine closed at 2.00 $0.65/lb copper 1.00 0.00 March 1990 March 1995 March 2000 March 2005 March 2010 March 2015 March 2020 March 202
Slide 6: Over C$150M in reclamation work to date at Gaspé Copper
Over C$150M in reclamation work to date at Gaspé Copper TSXV:OM | OTCQX:OMZNF | FRA:0B51 6
Slide 7: Gaspé Copper can again produce clean copper and molybdenum concentrates
Gaspé Copper can again produce clean copper and molybdenum concentrates with excellent metal grades 92-94% copper 65-70% Off-take agreement recoveries with molybdenum Payable silver credit with Glencore for concentrate grades recoveries with 70% silver added copper; pending of concentrate grades rec
Slide 8: Added resource potential: up-dip from current resource towards Needle Mountain
Added resource potential: up-dip from current resource towards Needle Mountain 110,000-metre drill program launched in early February Goals: • convert existing inferred resources into the indicated or measured resource categories • test potential expansion of the current resources deeper to 250 m be
Slide 9: Gaspé Copper Geology Geological Cross Section (Looking NW)
Gaspé Copper Geology Geological Cross Section (Looking NW) 2025-2026 Drill program to COPPER MOUNTAIN expand INDICATED 824 Mt @ 0.34% CuEq the resource INFERRED 670 Mt @ 0.38% CuEq S N 1000m Hornfels+ Needle Mountain Skarn Units Potential for open-pit York Lake Fm. resource expansion Indian Cove Fm.
Slide 10: Engagement with the community and First Nations
Engagement with the community and First Nations Development and implementation of engagement strategies with respect to the local communities, First Nations, and stakeholders • ‘Café rencontre’ (coffee talks) with the citizens of Murdochville (2022-2023-2024) • Technical committee and consultation f
Slide 11: Developing a responsible mining project
Developing a responsible mining project Focus on sustainable development and being respectful of host communities Thorough knowledge of the local environment Sustainable development • Characterization of the physical, biological, • Inclusion of innovation and research. and human environments • Local
Slide 12: Gaspé Copper has near-term potential to be in production in a growing copper deficit market
Gaspé Copper has near-term potential to be in production in a growing copper deficit market EXPECTED SEVEN YEAR TIMELINE FOR GASPÉ COPPER 2022-2024 2025-2028 2029 2030-2031 ✅ July 2023: • Environmental and • Public hearings • Project financing closing of Gaspé socio-economic impact and construction
Slide 13: North American development-stage copper peers
North American development-stage copper peers: North American Copper Development Peers Gaspé Copper is moving to the top Company Project Contained Cu (Bn lbs) M&I Cu Jurisdiction Grade (%) 0.0 2.0 4.0 6.0 8.0 10.0 12.0 Arizona Sonoran Cactus 0.58% Arizona Western Au & Cu Casino 0.14% Yukon Ivanhoe E
Slide 14: Fully funded to execute on strategic plan
Fully funded to execute on strategic plan TSXV: OM Fully diluted $107M bought-deal financing Share price (April 1) C$0.475 Closed on December 11, 2024 • Shares become free trading on April 11, 2025 Common shares outstanding 609,560,630 969,765,630 • Half Warrant expires on December 11, 2026 Market c
Slide 15: Osisko Metals: Canada’s next leading copper development company
Osisko Metals: Canada’s next leading copper development company ✓ Led by a senior multi-disciplinary team with a proven track record of discovery, development, finance, building and operating, and high shareholder returns ✓ Strong balance sheet with closing of $107M bought-deal financing – fully fin
Slide 16: Appendix
Appendix TSXV:OM | OTCQX:OMZNF | FRA:0B51 16
Slide 17: Several large scale-deposits trading at a discount
Several large scale-deposits trading at a discount TSXV:OM | OTCQX:OMZNF | FRA:0B51 17
Slide 18: New in-pit Indicated Resource outlines largest undeveloped Cu-Mo deposit in Eastern North America
New in-pit Indicated Resource outlines largest undeveloped Cu-Mo deposit in Eastern North America NI 43-101 Mineral Resource Estimate (base case at 0.12% copper cut-off) Copper Tonnes equivalent Copper Copper Copper Molybdenum Molybdenum Molybdenum Silver Silver Class Mt % % M lbs kt % M lbs Kt g/t
Slide 19: Canadian Copper Assets: Reserves and Resources
Canadian Copper Assets: Reserves and Resources Highland Valley Gaspé Copper Copper Mountain (Teck) (Osisko Metals) (Hudbay) Grade Contained Cu Grade Contained Cu Grade Contained Cu Category Cu % (M lbs) Category Cu % (M lbs) Category Cu % (M lbs) P&P 0.30 2,033 P&P - - P&P 0.25 2,022 M&I 0.28 6,950
Slide 20: Gaspé Copper claims map: A large 100% owned property package
Gaspé Copper claims map: A large 100% owned property package TSXV:OM | OTCQX:OMZNF | FRA:0B51 20
Slide 21: Less than 100 kilometres from Murdochville to Gaspé, a deep sea port
Less than 100 kilometres from Murdochville to Gaspé, a deep sea port TSXV:OM | OTCQX:OMZNF | FRA:0B51 21
Slide 22: Strategic thesis: green, decarbonized future depends on critical metals like copper and zinc
Strategic thesis: green, decarbonized future depends on critical metals like copper and zinc Osisko Metals offers exposure to copper (Gaspé Copper) and zinc (Pine Point project) within a Tier One mining jurisdiction. Copper Nickel Cobalt Zinc TSXV:OM | OTCQX:OMZNF | FRA:0B51 22
Slide 23: Strategic thesis: green, decarbonized future depends on critical metals like copper and zinc
Strategic thesis: green, decarbonized future depends on critical metals like copper and zinc TSXV:OM | OTCQX:OMZNF | FRA:0B51 23
Slide 24: Impediments to new supply
Impediments to new supply Sources: S&P Global Market Intelligence and CRU • Global « discovery drought » since 2014 • Lagging spot price with respect to incentivization price • Increasing permitting timelines (Rosemont, Resolution); Global average now 12 years • Jurisdictional risks Long-term copper
Slide 25: Projected copper supply gap to begin in 2025
Projected copper supply gap to begin in 2025 Sources: S&P Global Market Intelligence and CRU TSXV:OM | OTCQX:OMZNF | FRA:0B51 25
Slide 26: www.osiskometals.com
www.osiskometals.com TSXV:OM | OTCQX:OMZNF | FRA:0B51 26