Osisko Gold starts construction of Cariboo Gold project, targets first pour in Q1 2029

• Osisko Gold set a formal construction decision for the Cariboo Gold Project in British Columbia, targeting first gold pour in Q1 2029.
• Commercial production is scheduled for H2 2029; the build timeline extends to 30 months from Aug. 1, 2026.
• Remaining go-forward capital obligation estimated at CAD 990 million, net of CAD 272 million spent through July 31, 2026.
• Funding plan includes a USD 30 million private placement with a Trafigura affiliate at USD 3.14 per share.
• Trafigura secured four-year concentrate and doré offtake; talks cover a potential gold prepayment facility of up to USD 120 million.

Disclaimer: This news brief was created by Public Technologies (PUBT) using generative artificial intelligence. While PUBT strives to provide accurate and timely information, this AI-generated content is for informational purposes only and should not be interpreted as financial, investment, or legal advice. Osisko Gold Group Inc. published the original content used to generate this news brief via GlobeNewswire (Ref. ID: 202609140700PRIMZONEFULLFEED9825951) on September 14, 2026, and is solely responsible for the information contained therein.