(All dollar amounts are expressed in Canadian dollars, unless stated otherwise) HIGHLIGHTS Positive formal construction decision on the Cariboo Gold Project made by the Board of Directors, with an expected first gold pour in Q1 2029 and commercial production in H2 2029 US$30 million strategic private placement from an affiliate of Trafigura, concentrate and doré off-take from Trafigura, and potential prepayment facility of up to US$120 million Go-forward capital obligation update for the Cariboo Gold Project of $990 million, supported by total available and proposed estimated sources of capital of up to $1,637 million, including $837 million in cash & equivalents Project completion estimated at 22% as of July 31, 2026; Detailed engineering is approximately 40% complete; Procurement and commitments for long-lead items is progressing with an overall completion of approximately 44%; $325 million has been committed to date TORONTO, Sept. 14, 2026 (GLOBE NEWSWIRE) -- Osisko Gold Group Inc. (NYSE: OGG, TSXV: OGG) ("Osisko Gold" or the "Company") is pleased to announce that its Board of Directors has made a formal positive decision to proceed with the construction of the Company's 100%-owned Cariboo Gold Project ("Cariboo" or the "Project"), located in central British Columbia, Canada.
