The report covers Osisko's activities on our Windfall, Quévillon, and Urban Barry projects. It describes our ESG performance from January 1 to December 31, 2021 and provides comparative data from previous years. OSISKO MINING-2021-VF-EN-LR About Osisko Mining Inc. Osisko is a mineral exploration company focused on the acquisition, exploration, and development of gold resource properties in Canada. Osisko holds a 100% interest in the high-grade Windfall gold deposit located between Val-d'Or and Chibougamau in Québec and holds a 100% undivided interest in a large area of claims in the surrounding Urban Barry area and nearby Quévillon area (over 2,400 square kilometres). CONTACT INFORMATION: John Burzynski Chief Executive Officer Telephone (416) 363-8653