October 5, 2026

Osisko Gold Group Inc.
Osisko Gold Intersects 7.28 g/t Au over 16.15 m (105 m Vertical Depth), including 173.66 g/t Au over 0.60 m, and 7.13 g/t Au over 11.60 m (61 m Vertical Depth) in Lowhee Zone Underground Infill Drilling at Cariboo Gold Project

Osisko Gold Announces Management Update

Osisko Gold Completes US$600 Million Aggregate Principal Amount of 9.250% Senior Secured Notes Offering

Osisko Gold Announces Pricing of Upsized US$600 Million 9.250% Senior Secured Notes Offering to Refinance Appian Project Financing Facility and Advance Cariboo Gold Project

Osisko Gold Announces Proposed US$500 Million Senior Secured Notes Offering to Refinance Appian Project Financing Facility and Advance Cariboo Gold Project

Osisko Gold Announces Formal Construction Decision and Development Update for the Cariboo Gold Project

Osisko Gold Announces CFO Transition to Support Its Next Stage of Growth

Osisko Gold Announces Amendment to US$450 Million Appian Credit Facility and Satisfaction of Key Technical Conditions Precedent Following Successful Completion of the Lowhee Infill Drill Program at the Cariboo Gold Project

Osisko Gold Reports Second Quarter 2026 Results

Osisko Gold Confirms Presence of Mineralized System with Open Pit Potential at the Proserpine Target on the Cariboo Gold Project’s Regional Property;

Osisko Gold Reports Final Results from its Lowhee Zone Infill Program at the Cariboo Gold Project

Osisko Gold Enters Support and Benefits Agreement with the District of Wells for the Cariboo Gold Project
