Osisko Development Corp.

5,983 m of infill drilling completed on 10-m drill spacing in 62 drill holes from August 2025, representing ~44% of the total planned 13,000-m infill program Highlights include: 8.56 g/t Au over 8.5m from 60.5m depth, 16.95 g/t Au over 4.0m from 80m depth, and 9.32 g/t Au over 6.0m from 58m depth Results to date continue to be broadly consistent with modelled reserve stopes, indicate potential for upside mineralization in [...]

HIGHLIGHTS1 Fully-funded 70,000-meter exploration drill program launched with two drill rigs already operating at the Cariboo Gold Project site, and ramping up to six drill rigs as the program advances through the end of 2026 Priority exploration targets and initial planned drilling: Cariboo Deep - targeting areas at depth beneath the existing deposit within the permitted Cariboo Gold Project mine plan boundary. Total [...]

Osisko Development Corp. is pleased to announce that it has entered into a securities purchase agreement dated November 21, 2025 with Axo Copper Corp. to sell its 100% interest in the San Antonio Gold Project located in the Sonora State, Mexico. Pursuant to the Purchase Agreement, Axo will acquire Sapuchi Minera S.A. de R.L. de C.V. , which holds a 100% interest in the mineral concessions comprising San Antonio, subject [...]

HIGHLIGHTS Q3 2025 ~$401.4 million in cash and cash equivalents Drawn ~$137.2 million under the US$450 million Appian financing facility executed during the quarter Completed private placements for ~$280.4 million in gross proceeds Advanced pre-construction activities and underground mine development activities, and announced results of ore sorting and drilling programs at the permitted Cariboo Gold Project Sold 877 [...]

Osisko Development Corp. is pleased to announce the appointment of Mr. Scott Smith as Vice President, Exploration effective November 1, 2025. Mr. Smith joins from Prime Mining Corp. where he most recently served as Executive Vice President, Exploration until its acquisition by Torex Gold Resources Inc. in October 2025. "We are delighted to bolster our exploration team with Scott's appointment. He brings over 30 years of [...]

Osisko Development Corp. is pleased to announce the successful closing of its previously-announced oversubscribed private placement offering of 15,409,798 common shares of the Company for aggregate gross proceeds of approximately C$82.5 million . The Offering is comprised of the following issuances, on a private placement basis: LIFE Offering: issuances made pursuant to the "listed issuer financing exemption" available [...]

Osisko Development Corp. reports that, on October 17, 2025, Osisko Development acquired, indirectly through its wholly-owned subsidiary, Barkerville Gold Mines Ltd. , 6,250,000 units of Falco Resources Ltd. at a price of C$0.32 per Unit for an aggregate purchase price of C$2,000,000, in connection with a "bought deal" private placement of 41,005,000 Units completed by Falco . Each Unit consisted of one common share of [...]

Osisko Development Corp. is pleased to announce that, as a result of excess demand, it has entered into a further amending agreement with the underwriters to increase the size of its previously announced "bought deal" financing from C$60 million to C$75 million . As announced by the Company on October 9, 2025 , Osisko Development has agreed to issue three tranches of shares under the "listed issuer financing exemption [...]

Osisko Development Corp. is pleased to announce that, as a result of excess demand, it has entered into a further amending agreement with National Bank Financial Inc., BMO Capital Markets and RBC Capital Markets, acting as co-lead underwriters and co-bookrunners , to increase the size of its previously announced "bought deal" financing from C$60 million to C$75 million . As announced by the Company on October 9, 2025 [...]

Osisko Development Corp. is pleased to announce that, as a result of excess demand, it has entered into an amending agreement with National Bank Financial Inc., BMO Capital Markets and RBC Capital Markets, acting as co-lead underwriters and co-bookrunners , to increase the size of its previously announced "bought deal" financing to C$60 million . LIFE Offering As a result of the Amendment, Osisko Development will now [...]