.8
Consent of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in this Annual Report on Form 40-F for the year ended December 31, 2024 of Osisko Development Corp. of our report dated March 28, 2025, relating to the consolidated financial statements, which appears in .2 incorporated by reference in this Annual Report on Form 40-F.
We also consent to reference to us under the heading Interests of Experts in the Annual Information Form, filed as to this Annual Report on Form 40-F.
/s/
March 28, 2025