Osisko Development Strengthens Technical Team With Appointment of Vice President, Exploration

Rhea-AI Summary

Osisko Development (NYSE: ODV) appointed Scott Smith as Vice President, Exploration effective November 1, 2025.

Mr. Smith brings over 30 years of industry experience, including >18 years in senior management, work across Canada, Mexico, Peru, Chile and the U.S., and roles at Prime Mining, Gibraltar Mines, Teck Resources and Newmont. At Prime Mining he led resource extension and exploration that contributed to the company's sale to Torex Gold Resources in October 2025. The appointment is presented as strengthening exploration capability for the Cariboo Gold Project and other Osisko Development properties.

Positive

• Effective appointment of VP Exploration on Nov 1, 2025
• 30+ years of exploration and mine experience across the Americas
• Led resource-extension programs that aided Prime Mining's sale to Torex (Oct 2025)

Negative

• None.

MONTREAL, Nov. 03, 2025 (GLOBE NEWSWIRE) -- Osisko Development Corp. (NYSE: ODV, TSXV: ODV) ("Osisko Development" or the "Company") is pleased to announce the appointment of Mr. Scott Smith as Vice President, Exploration effective November 1, 2025. Mr. Smith joins from Prime Mining Corp. where he most recently served as Executive Vice President, Exploration until its acquisition by Torex Gold Resources Inc. in October 2025.

"We are delighted to bolster our exploration team with Scott's appointment. He brings over 30 years of extensive experience in the mining sector having worked on projects across the development spectrum, and adds a complementary skill set to advance the vast exploration potential of the Cariboo Gold Project and our other properties," commented Chris Lodder, President.

Mr. Scott Smith is a registered Professional Geologist with over 30 years of experience in mine production, exploration, and advanced-stage mining projects across Canada, Mexico, Peru, Chile, and the United States. Mr. Smith has spent more than 18 years in senior management roles, leading geological teams in both mine production and exploration throughout North and South America, spanning operating mines, brownfields, and greenfield projects. Most recently, he served as Executive Vice President of Exploration at Prime Mining Corp., where he led resource extension and exploration strategies for the Los Reyes Project in Mexico, delivering significant resource growth and contributing to the company's successful sale to Torex Gold Resources Inc. Previously, he was Chief Geologist at Gibraltar Mines Ltd. (2015-2021), a major copper-molybdenum operation in central British Columbia, Canada. Earlier in his career, he managed exploration teams for Teck Resources Limited in Chile and Argentina and led district geology teams with Newmont Corporation at Minera Yanacocha in Peru. He also spent 5 years in operational roles with Compañía Minera Antamina in Peru, contributing to the mine's startup and operational geology. Mr. Smith holds a B.Sc. in Geology from the University of Alberta and is a registered Professional Geologist (P.Geo.) with APEGA in Canada.

ABOUT OSISKO DEVELOPMENT CORP.

Osisko Development Corp. is a continental North American gold development company focused on past-producing mining camps located in mining friendly jurisdictions with district scale potential. The Company's objective is to become an intermediate gold producer by advancing its flagship permitted 100%-owned Cariboo Gold Project, located in central B.C., Canada. Its project pipeline is complemented by the Tintic Project in the historic East Tintic mining district in Utah, U.S.A., and the San Antonio Gold Project in Sonora, Mexico—brownfield properties with significant exploration potential, extensive historical mining data, access to existing infrastructure and skilled labour. The Company's strategy is to develop attractive, long-life, socially and environmentally responsible mining assets, while minimizing exposure to development risk and growing mineral resources.

For further information, visit our website at www.osiskodev.com or contact:

Sean Roosen	Philip Rabenok
Chairman and CEO	Vice President, Investor Relations
Email: sroosen@osiskodev.com	Email: prabenok@osiskodev.com
Tel: +1 (514) 940-0685	Tel: +1 (437) 423-3644

Neither the TSX Venture Exchange nor its Regulation Services Provider (as that term is defined in the policies of the TSX Venture Exchange) accepts responsibility for the adequacy or accuracy of this news release. No stock exchange, securities commission or other regulatory authority has approved or disapproved the information contained herein.

FAQ

Who is Scott Smith and when did Osisko Development (ODV) appoint him as VP Exploration?

Scott Smith is a registered Professional Geologist with over 30 years of experience; he was appointed VP Exploration effective November 1, 2025.

What experience does Scott Smith bring to Osisko Development (ODV) for the Cariboo Gold Project?

He has >18 years in senior management and experience across Canada, Mexico, Peru, Chile, and the U.S., including roles at Prime Mining, Gibraltar Mines, Teck, and Newmont.

How did Scott Smith contribute to Prime Mining before joining Osisko Development (ODV)?

He led resource extension and exploration strategies for the Los Reyes project, contributing to Prime Mining's sale to Torex Gold Resources in Oct 2025.

Will Scott Smith's appointment affect exploration work at Osisko Development's Cariboo Gold Project (ODV)?

The company indicated the hire is intended to bolster exploration capability and advance the exploration potential of the Cariboo Gold Project and other properties.

What are Scott Smith's professional qualifications listed by Osisko Development (ODV)?

He holds a B.Sc. in Geology from the University of Alberta and is a registered P.Geo. with APEGA in Canada.