Osisko Gold Group Inc.

Montreal, Québec, May 19, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") - https://www.commodity-tv.com/ondemand/companies/profil/osisko-development-corp/ - is pleased to announce the appointment of Mr. Greg Perrins as Vice President, Sustainable Development, effective May 18, 2026.  "We are pleased to welcome Greg to the Osisko Development...

(All dollar amounts are expressed in Canadian dollars, unless stated otherwise) HIGHLIGHTS Q1 2026 (at March 31, 2026) -          Financial: ~$594.3 million in cash and cash equivalents; sold 270 ounces of gold from small-scale mining activities at the Tintic Project; received ~$36.5 million in proceeds from warrant exercises-          Financing: Completed a prospectus offering...

(All dollar amounts are expressed in Canadian dollars, unless stated otherwise) HIGHLIGHTS Q4 2025 (at December 31, 2025) -          Financial: ~$422.3 million in cash and cash equivalents; sold 3,970 ounces of gold from small-scale mining activities at the Tintic Project-          Financing: Completed a private placement financing for ~$82.5 million in gross proceeds-          Cariboo...

Montreal, Québec, March 16, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company" - https://www.commodity-tv.com/ ondemand/companies/profil/osisko-development-corp/) is pleased to announce its inclusion in the VanEck Junior Gold Miners ETF ("GDXJ") pursuant to the GDXJ's semi-annual review and rebalancing announced on March 13, 2026, effective at...

Montreal, Québec, March 9, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company" - https://www.commodity-tv.com/ ondemand/companies/profil/osisko-development-corp/) announces that it has received approximately C$24.9 million from the exercise of 5,625,031 common share purchase warrants of the Company (the "Warrants") held by funds advised by Appian Capital...

Montreal, Québec, March 2, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company" - https://www.commodity-tv.com/ ondemand/companies/profil/osisko-development-corp/) announces the resumption of planned site activities at its Cariboo Gold Project (the "Project") in British Columbia, following a temporary suspension related to an isolated tragic incident that occurred...

Osisko Development Provides Infill Drilling Update on its 13,000-Meter Lowhee Program at Cariboo Gold Project; Intercepts Include 596.40 g/t Gold Over 2.0 Meters From 6.1 Meters Downhole, Including 2,293.56 g/t Gold Over 0.5 Meters From 6.6 Meters Downhole HIGHLIGHTS -          11,025 m of infill drilling completed (5,043 m new results) on 10-m...

Montreal, Québec, February 9, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company" - https://www.commodity-tv.com/ondemand/companies/profil/osisko-development-corp/) is pleased to announce that its wholly-owned subsidiary, Barkerville Gold Mines Ltd., has entered into a definitive Project and Construction Management Services Agreement with JDS Energy & Mining Inc. ("JDS")...

Montreal, Québec, February 3, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") (- https://www.commodity-tv.com/play/osisko-development-project-financing-in-place-for-big-gold-project-in-canada-with-upscale-potential/ -) is pleased to announce that it has completed its previously announced prospectus offering (the "Offering") of common shares of the Company (the "Common Shares"). The Offering was completed on...

Montreal, Québec, January 27, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) (collectively with its subsidiaries, "Osisko Development" or the "Company") (- https://www.commodity-tv.com/play/osisko-development-project-financing-in-place-for-big-gold-project-in-canada-with-upscale-potential/ -) is pleased to announce that it has completed the previously announced sale of its 100% interest in the San Antonio Gold Project ("San Antonio" or...

Osisko Development Announces US$125 Million Bought Deal Public Offering of Common Shares to Advance Mineral Resource-to-Reserve Conversion Toward Mine Plan Integration at the Cariboo Gold Project THE BASE SHELF PROSPECTUS IS ACCESSIBLE, AND THE CANADIAN PROSPECTUS SUPPLEMENT WILL BE ACCESSIBLE WITHIN TWO BUSINESS DAYS, UNDER THE COMPANY'S ISSUER PROFILE ON SEDAR+....

Montreal, Québec, January 23, 2026 – Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") (- https://www.commodity-tv.com/play/osisko-development-project-financing-in-place-for-big-gold-project-in-canada-with-upscale-potential/ -)  regrets to report that on January 22, 2026, a contractor working at surface suffered a fatal injury following an isolated incident at the Cariboo Gold Project (the "Project"), located...