Osisko Development Corp.

Osisko Gold Group Inc. (formerly Osisko Development Corp.) reported strong Q2 2026 financial and operating results, including approximately $837.3 million in cash and cash equivalents. The company generated $32.7 million in revenue and an operating income of $8.1 million, a substantial improvement year-over-year. Operational progress continued at the Cariboo Gold Project with ongoing pre-construction activities and extensive infill drilling, while the Tintic Project contributed 5,547 ounces of gold from small-scale mining. The company also completed a US$300.0 million convertible senior notes offering and officially changed its name to Osisko Gold Group Inc. subsequent to the quarter.

Osisko Gold announced initial drilling results from its Proserpine regional greenfield target, located 7 km from its Cariboo Gold Project. The results confirm an emerging gold mineralized system with high-grade structures and broader lower-grade zones, suggesting potential for open-pit mining. Key intercepts include 95.93 g/t Au over 4.60 m and 5.46 g/t Au over 8.60 m. The company plans an additional 26,500 m of drilling, which has resumed after a seasonal hiatus.

Osisko Gold Group announced initial diamond drilling results from 14 holes at its Proserpine regional exploration target, part of the Cariboo Gold Project. The 6,463 meters of drilling confirmed an emerging gold mineralized system with high-grade structures and broader lower-grade zones, indicating potential for open-pit mining. Highlight intercepts included 95.93 g/t Au over 4.60 m and 5.46 g/t Au over 8.60 m. The company plans to resume drilling an additional 26,500 meters to expand the mineralized footprint.

Osisko Gold Group Inc. announced final results from its infill drilling program in the Lowhee Zone of the Cariboo Gold Project, which validated existing geological and mine-planning assumptions. Preliminary reconciliation analysis showed expected local variability, with Zone 1 indicating more tonnes and gold ounces at a lower grade, and Zone 2 showing fewer tonnes but more gold ounces at a higher grade. The company anticipates satisfying the technical conditions precedent for the remaining undrawn US$350 million under its senior secured project loan facility in Q3 2026, subject to Appian Capital's review and sign-off.

Osisko Gold Group Inc., through its subsidiary Barkerville Gold Mines Ltd., has entered into a Support and Benefits Agreement with the District of Wells, British Columbia, effective July 21, 2026. This agreement aims to support social and economic initiatives within the District in connection with the Company's Cariboo Gold Project. Over a three-year term, Osisko Gold plans to make voluntary financial contributions of up to $3.0 million, subject to its discretion, to fund community infrastructure and other priority initiatives, including $500,000 for the WILDways High School. The partnership underscores the Company's commitment to local community engagement and ensuring positive benefits from the project.

Osisko Gold Group Inc., through its subsidiary Barkerville Gold Mines Ltd., has entered into a Support and Benefits Agreement with the District of Wells, British Columbia. This agreement, effective July 21, 2026, commits up to $3.0 million in voluntary financial contributions over three years to support social and economic initiatives for the Cariboo Gold Project. The funds will be advanced in stages for long-term community infrastructure investments and other priorities, including $500,000 for WILDways High School. The agreement aims to foster collaboration and ensure local benefits as the project advances.

Osisko Development Corp. announced a corporate rebranding, changing its name to Osisko Gold Group Inc. and relocating its registered office from Québec to Ontario. Concurrently, the company's common share trading symbol changed from "ODV" to "OGG" on both the TSX Venture Exchange and the New York Stock Exchange, effective July 20, 2026. New CUSIP and ISIN numbers have been assigned for both common shares and warrants.

Osisko Development Corp. announced a corporate name change to Osisko Gold Group Inc., effective July 14, 2026. This change was formalized through a Certificate and Articles of Amendment filed under the Canada Business Corporations Act. Concurrently, the company updated its registered office address to a new location in Toronto.

Osisko Gold Group Inc. announced the completion of its name change from Osisko Development Corp., effective July 14, 2026. The company's common shares and warrants will begin trading under new ticker symbols, 'OGG' and various 'OGG.WT' designations, on the TSXV, NYSE, and Nasdaq starting July 20, 2026. This rebranding aligns with the company's evolution towards a primary gold and precious metals-focused asset base, anchored by its Cariboo Gold Project.

Osisko Development Corp. announced new drilling results from its Cariboo Gold Project, extending high-grade gold mineralization beyond 700m vertical depth in previously untested areas. Key intercepts include 13.19 g/t gold over 3.60m at 596m depth and 28.90 g/t gold over 0.50m at 718m depth. These results confirm high-grade mineralization at depth and indicate strong potential for resource growth. The company also plans to change its name to Osisko Gold Group Inc. and its ticker symbol to "OGG" effective July 20, 2026.