Calibre Strengthens its Team with the Appointment of Vice President, Canadian Operations and Process Plant Manager for the Valentine Gold Mine; Additionally, Calibre Announces GDX Index Inclusion

VANCOUVER, British Columbia, March 18, 2024 — Calibre Mining Corp. (TSX: CXB; OTCQX: CXBMF) (the “Company” or “Calibre”) is pleased to announce the appointment of Mr. Jason Cyr as Vice President Operations, Canada, and André Morneau as Process Manager for the Valentine Gold Mine (“Valentine”) in Newfoundland & Labrador, Canada. Additionally, Calibre is pleased to announce that the Company has been added to the VanEck Vectors Gold Miners ETF (NYSE: GDX) (“GDX”). Calibre was added to the GDX Index on March 15, 2024.

Darren Hall, President and Chief Executive Officer of Calibre, stated : “I am very pleased to welcome Jason Cyr as the Vice President of Canadian Operations, and André Morneau as Process Plant Manager. We continue to strengthen the team as we focus on operational readiness in preparation for first gold in H1 2025 at the Valentine Gold Mine. Having worked extensively in North America, Jason brings a wealth of leadership and operational expertise to the business. André’s extensive processing leadership roles will be invaluable in optimizing our plant operations. I look forward to the contributions of both Jason and André in their new roles.”

“I am also very pleased to be included in the GDX Index which reflects our successful growth and provides Calibre investors improved liquidity, trading flexibility and a higher profile.”

Jason Cyr – Vice President, Canadian Operations
Jason Cyr has over 20 years of experience in operations and project development within the mining industry demonstrating a commitment to project completion and optimizing mining operations for maximum productivity with cost-effectiveness, all while ensuring the highest standard of safety.

Prior to joining Calibre, Mr. Cyr served as the General Manager of Barrick Gold’s Hemlo Operation and held significant leadership roles at SSR Mining Company’s Seabee Gold Operation, Rio Grande Mining Company in Texas, USA, and Liberty Mines Inc. in Timmins, ON, Canada. His achievements include overseeing the construction and operation of processing plants and mines through collaboration with various stakeholders. Mr. Cyr holds a Diploma in Mining Engineering Tech from Haileybury School of Mines in Ontario.

André Morneau – Process Plant Manager
André Morneau is an experienced professional Chemical Engineer with over 25 years in the mining industry. Throughout his career, he has excelled in managing production, metallurgy, maintenance, and overall operations in iron, gold, lead, and copper mines and smelters. André is known for his success in operations and budget management, project execution, and a strong focus on health, safety, and environmental compliance. He has led teams, implemented change management initiatives, and achieved notable increases in production efficiency and gold recovery.

Before joining Calibre, Mr. Morneau served as the Manager of Concentrator and Surface Services at Nemaska Lithium and held senior leadership roles with extensive experience in gold mining, particularly in carbon-in-leach operations within Canada and West Africa. He holds a Bachelor of Chemical Engineering from the University of Sherbrooke, Quebec.

About Calibre

Calibre is a Canadian-listed, Americas focused, growing mid-tier gold producer with a strong pipeline of development and exploration opportunities across Newfoundland & Labrador in Canada, Nevada and Washington in the USA, and Nicaragua. Calibre is focused on delivering sustainable value for shareholders, local communities and all stakeholders through responsible operations and a disciplined approach to growth. With a strong balance sheet, a proven management team, strong operating cash flow, accretive development projects and district-scale exploration opportunities Calibre will unlock significant value.

ON BEHALF OF THE BOARD

“Darren Hall”

Darren Hall, President & Chief Executive Officer

For further information, please contact:

Ryan King
SVP Corporate Development & IR
T: 604.628.1012
E: calibre@calibremining.com
W: www.calibremining.com

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