Calibre Announces Closing of C$115 Million Financing

VANCOUVER, April 16, 2024 - Calibre Mining Corp. (TSX: CXB; OTCQX: CXBMF) ("Calibre" or the "Company") is pleased to announce that it has closed its previously announced bought deal financing (the "Offering") for aggregate gross proceeds of C$115,147,200.

Pursuant to the Offering, a total of 68,540,000 common shares of the Company ("Common Shares"), including 8,940,000 Common Shares issued pursuant to the exercise in full of the over-allotment option, were sold at a price of C$1.68 per Common Share. The Common Shares issued pursuant to the Offering were offered by way of a short form prospectus filed in all provinces and territories of Canada, except Québec. The Offering was conducted through a syndicate of underwriters comprised of BMO Capital Markets, as lead underwriter, and Canaccord Genuity Corp., Scotia Capital Inc., Haywood Securities Inc. and Cormark Securities Inc.

This news release is not an offer to the public to subscribe for Common Shares or otherwise acquire Common Shares or other financial instruments in the Company.

This news release does not constitute an offer to sell or a solicitation of an offer to sell any of securities in the United States. The securities have not been and will not be registered under the United States Securities Act of 1933, as amended (the "U.S. Securities Act"), or any state securities laws and may not be offered or sold within the United States unless registered under the U.S. Securities Act and applicable state securities laws or an exemption from such registration is available.

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
Senior Vice President, Corporate Development & IR
T: 604.628.1010
E: calibre@calibremining.com
W: www.calibremining.com

Calibre's head office is located at Suite 1560, 200 Burrard St., Vancouver, British Columbia, V6C 3L6.

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Cautionary Note Regarding Forward Looking Information

This news release includes certain "forward-looking information" and "forward-looking statements" (collectively "forward-looking statements") within the meaning of applicable Canadian securities legislation. All statements in this news release that address events or developments that we expect to occur in the future are forward-looking statements. Forward-looking statements are statements that are not historical facts and are identified by words such as "expect", "plan", "anticipate", "project", "target", "potential", "schedule", "forecast", "budget", "estimate", "intend" or "believe" and similar expressions or their negative connotations, or that events or conditions "will", "would", "may", "could", "should" or "might" occur. Forward-looking statements in this news release include, but are not limited to: the proposed use of the net proceeds from the Offering. Forward-looking statements necessarily involve assumptions, risks and uncertainties, certain of which are beyond Calibre's control. For a listing of risk factors applicable to the Company, please refer to Calibre's annual information form for the year ended December 31, 2023, and its management discussion and analysis for the year ended December 31, 2023, all available on the Company's SEDAR+ profile at www.sedarplus.ca. This list is not exhaustive of the factors that may affect Calibre's forward-looking statements such as potential sanctions implemented as a result of the United States Executive Order 13851 dated October 24, 2022.

Calibre's forward-looking statements are based on the applicable assumptions and factors management considers reasonable as of the date hereof, based on the information available to management at such time. Such assumptions include but are not limited to: the Company being able to develop the Valentine gold mine into production. Calibre does not assume any obligation to update forward-looking statements if circumstances or management's beliefs, expectations or opinions should change other than as required by applicable securities laws. There can be no assurance that forward-looking statements will prove to be accurate, and actual results, performance or achievements could differ materially from those expressed in, or implied by, these forward-looking statements. Accordingly, undue reliance should not be placed on forward-looking statements.