Mr. Blayne Johnson reports

CALIBRE ANNOUNCES RESIGNATION OF DIRECTOR

Calibre Mining Corp.'s Matthew Manson has stepped down as a director of the company to pursue other endeavours.

Blayne Johnson, chairman of Calibre, stated: "On behalf of the board of directors of Calibre, I would like to thank Mr. Manson for navigating Marathon Gold Corp. through its transaction with Calibre. As Calibre builds on the Marathon team's excellent work to date, we aim to deliver on Matt's vision to build a successful 200,000-ounce-per-year gold mine in Newfoundland and Labrador."

Mr. Manson stated: "The business combination with Calibre offered Marathon shareholders an exciting opportunity to participate in a high-growth, mid-tier gold producer. I am proud of the accomplishments of the Marathon team as they continue to work with Calibre to develop the Valentine gold mine into one of the largest gold producers in Atlantic Canada. I wish Calibre much success as it progresses the Valentine gold mine to production in H1 2025."

About Calibre Mining Corp.

Calibre is a Canadian-listed, Americas-focused, growing, mid-tier gold producer with a strong pipeline of development and exploration opportunities across Newfoundland and Labrador in Canada, Nevada and Washington in the United States, 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.

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