Osisko Development Announces Results of Shareholders' Meeting

Osisko Development Announces Results of Shareholders' Meeting
Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") announces the results of its annual and special meeting of shareholders of the Company (the "Meeting") held on May 7, 2025. A total of 80,489,188 common shares were voted at the Meeting, representing approximately 58.9% of the total issued and outstanding common shares of the Company as of the record date of the Meeting. A summary of the results for the items voted at the Meeting are as follows:

1. Election of Directors

Each of the directors listed as nominees in Osisko Development's Management Information Circular (the "MIC") dated March 26, 2025, was elected to the board of directors of the Company to serve for the ensuing year or until their successors are duly elected or appointed, with the following results: