(All dollar amounts are expressed in Canadian dollars, unless stated otherwise) MONTREAL, May 06, 2025 (GLOBE NEWSWIRE) -- Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") reports its financial and operating results for the three months ended March 31, 2025 ("Q1 2025"). Q1 2025 HIGHLIGHTS Operating, Financial and Corporate Updates: As of March 31, 2025, the Company had approximately $77.6 million in cash and cash equivalents. Approximately $35.7 million (US$25.0 millio ...

(All dollar amounts are expressed in CAD dollars, unless stated otherwise) HIGHLIGHTS MONTREAL, Québec, April 28, 2025 (GLOBE NEWSWIRE) -- Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") is pleased to announce the results of a positive optimized Feasibility Study ("2025 FS") for its permitted, 100%-owned Cariboo Gold Project ("Cariboo Gold" or the "Project"), located in central British Columbia ("BC"), Canada. The 2025 FS was completed by BBA Engineering Ltd. ("BBA") ...

MONTREAL, April 14, 2025 (GLOBE NEWSWIRE) -- Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") is pleased to announce that its common share purchase warrants (the "Warrants") issued pursuant to private placements completed by the Company between October and November of 2024 will be listed for trading on the TSX Venture Exchange (the "TSXV") under the symbol "ODV.WT.V". The Warrants are expected to be listed for trading on the TSXV effective as of the opening of markets ...

EXHIBIT 99.1 Osisko Development Reports Fourth Quarter and Year-End 2024 Results (All dollar amounts are expressed in Canadian dollars, unless stated otherwise) MONTREAL, March 28, 2025 (GLOBE NEWSWIRE) -- Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") reports its financial and operating results for the three and twelve months ended December 31, 2024 ("Q4 2024"). Q4 2024 HIGHLIGHTS Operating, Financial and Corporate Updates: Cariboo Gold Project – British Columbia, C ...

Core Insights - Osisko Development Corp. reported its financial and operational results for Q4 2024, highlighting significant progress in its Cariboo Gold Project and other initiatives [1][2]. Financial Highlights - As of December 31, 2024, the company had approximately CAD 106.7 million in cash and cash equivalents [4]. - The company completed a non-brokered private placement, issuing 19,163,410 units at USD 1.80 per unit, raising approximately USD 34.5 million [4]. - A brokered private placement was also completed, raising approximately USD 57.5 million by issuing 31,946,366 units at the same price [4]. Project Updates - The Cariboo Gold Project is now fully permitted, with approvals granted under the Mines Act and Environmental Management Act, marking its shovel-ready status [4]. - The company is engaged in ongoing discussions for project financing options for the Cariboo Gold Project [4]. - Pre-construction activities have commenced, including underground development to extract a bulk sample of up to 10,000 tonnes of mineralized material [8]. Upcoming Milestones - Key milestones for the Cariboo Gold Project include: - Completion of electrical and communication work in Q1 2025 with remaining costs of CAD 0.7 million [10]. - Bulk sample extraction expected in Q2 2025 with remaining costs of CAD 6.4 million [10]. - Updated feasibility study anticipated in Q2 2025 with remaining costs of CAD 2.5 million [10]. Strategic Developments - The company is conducting a strategic review of the San Antonio Gold Project, exploring potential partnerships or sales [9]. - The Tintic Project has completed Phase I regional drilling, with Phase II drilling expected to be completed in Q2 2025 [9]. Management Changes - New appointments include Mr. David Rouleau as Vice President, Project Development, and Mr. Philip Rabenok as Vice President, Investor Relations [16].

Core Insights - Osisko Development Corp. is advancing one of Canada's newly permitted underground gold mines located in British Columbia, specifically the Cariboo Gold project, which is supported by a significant gold resource in a tier 1 jurisdiction [1] Group 1: Company Overview - Osisko Development Corp. is focused on reviving historic mining camps in North America [1] - The Cariboo Gold project is positioned to deliver attractive growth through high-efficiency bulk tonnage production [1] Group 2: Industry Context - The project emphasizes the future of responsible mining that benefits all stakeholders involved [1]

Core Insights - Osisko Development Corp. announced promising drilling results from its 2024 exploration campaign at the Quesnel River Mine Prospect, part of the Cariboo Gold Project in British Columbia, Canada [1][2] Exploration Results - The 2024 drill campaign included thirteen surface infill diamond drill holes totaling approximately 1,732 meters [3] - Significant assay highlights include: - 13.61 grams per tonne (g/t) gold over 4.15 meters in hole QRM-24-006, with a peak of 31.90 g/t Au over 1.50 meters - 5.98 g/t Au over 11.40 meters in hole QRM-24-010 - 4.27 g/t Au over 12.00 meters in hole QRM-24-013 - 14.10 g/t Au over 3.55 meters in hole QRM-24-009, including 18.55 g/t Au over 0.95 meters [5][13][15] Historical Data Validation - The company is reviewing a historical drill database comprising over 130,000 meters of drilling from more than 1,300 drill holes conducted by previous owners between the late 1970s and 2000s [5][7] - The 2024 drill campaign aimed to validate and confirm the accuracy of historical exploration data, with results indicating consistency with historical mineralization [5][6] Future Exploration Strategy - A proposed follow-up geophysical survey will guide the next phase of exploration and target generation on the property [2][5] - Geophysical techniques, including induced polarization (IP) surveys, are expected to help narrow the search area for potential gold-rich zones [5][6] Project Background - The QR Mine Prospect is located approximately 58 kilometers southeast of Quesnel and was previously operated by Kinross Gold Corp. from 1994 to 1998, producing a total of 118,004 ounces of gold [7][8] - The mineralization at the QR deposit is associated with a diorite-monzonite intrusive body known as the QR stock, with historical mining operations focused on localized zones of gold skarn mineralization [8][22]

Core Insights - Osisko Development Corp. has appointed David Rouleau as Vice President of Project Development to enhance its operations-driven team for the Cariboo Gold Project [1][2] - The previous COO, Éric Tremblay, has left the company to pursue other opportunities, and Rouleau will support the transition until a new COO is appointed [1][2] - The company is focused on advancing its flagship Cariboo Gold Project and has initiated an executive search for a new COO [1][2] Company Overview - Osisko Development Corp. is a North American gold development company targeting past-producing mining camps in favorable jurisdictions with significant potential [4] - The company's goal is to become an intermediate gold producer by advancing the Cariboo Gold Project, along with other projects in Utah and Mexico [4] - The company emphasizes developing long-life, sustainable mining assets while minimizing development risks and enhancing mineral resources [4] Leadership Experience - David Rouleau brings over 35 years of operational and management experience in the mining industry, having held various roles in project development and optimization [2][3] - His previous positions include Vice President of Mine Optimization at Victoria Gold and Vice President of Operations at Barkerville Gold Mines [2][3] - Rouleau has a strong background in managing projects at different growth stages, including feasibility studies and construction [2][3]

Company Overview - Osisko Development Corp. is a North American gold development company focused on past-producing mining camps in mining-friendly jurisdictions with district-scale potential [2] - The company's objective is to become an intermediate gold producer by advancing its 100%-owned Cariboo Gold Project in central B.C., Canada, the Tintic Project in Utah, U.S.A., and the San Antonio Gold Project in Sonora, Mexico [2] - The company benefits from considerable brownfield exploration potential, significant historical mining data, existing infrastructure, and access to skilled labor [2] - The strategy is to develop attractive, long-life, socially and environmentally sustainable mining assets while minimizing exposure to development risk and growing mineral resources [2] Recent Developments - Osisko Development has granted 80,000 deferred share units (DSUs) to Mr. Stephen Quin, an independent director, as part of his recent appointment to the board of directors [1] - This grant was made in accordance with the company's DSU plan [1]

Core Viewpoint - Osisko Development Corp. has made significant progress in its Cariboo Gold Project, completing underground development and preparing for a bulk sample extraction, which is expected to support an optimized feasibility study in 2025 [1][3][4]. Group 1: Project Development - The company has completed 100% of the underground development, totaling approximately 1,172 meters, to access the target area for the bulk sample in the Lowhee Zone [2]. - Preparations are in the final stages to extract 10,000 metric tonnes of mineralized material, with blasting and extraction expected to be completed in the coming weeks [3]. - The bulk sample results are anticipated in Q1 2025, which will support ongoing work on the optimized feasibility study expected to be completed in Q2 2025 [3]. Group 2: Technical Insights - The team has reached the heart of the orebody in the Lowhee Zone and is receiving preliminary visual confirmation of the geology [4]. - The extracted bulk sample will undergo ore sorter testing at Tomra's facility in Saskatoon, Saskatchewan, which will provide valuable grade reconciliation data relative to the resource model [4]. - These efforts are expected to significantly derisk the project from a technical standpoint as the company progresses towards securing a fully funded financing solution [4]. Group 3: Company Overview - Osisko Development Corp. is focused on becoming an intermediate gold producer by advancing its 100%-owned Cariboo Gold Project and other projects in mining-friendly jurisdictions [9]. - The company's strategy includes developing long-life, socially and environmentally sustainable mining assets while minimizing exposure to development risk [9].