• Osisko Development will hold its annual and special shareholders’ meeting in Toronto on June 23, 2026.
• Shareholders will vote on electing seven directors.
• The meeting also includes a vote to appoint PricewaterhouseCoopers as independent auditor for the fiscal year ending Dec. 31, 2026.
• Special resolutions include moving the company’s registered office from Québec to Ontario.
• Another special resolution seeks approval to change the company’s name to Osisko Gold Group Inc.

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 Development Corp. published the original content used to generate this news brief via EDGAR, the Electronic Data Gathering, Analysis, and Retrieval system operated by the U.S. Securities and Exchange Commission (Ref. ID: 0001104659-26-064052), on May 20, 2026, and is solely responsible for the information contained therein.