Mr. Darren Hall reports

CALIBRE MINING ADDED TO THE S&P/TSX COMPOSITE INDEX

Calibre Mining Corp.'s common shares will be added to the S&P/TSX Composite Index, effective at the open of trading on the Toronto Stock Exchange on June 24, 2024.

Darren Hall, president and chief executive officer of Calibre, stated: "Our addition to the benchmark S&P/TSX Composite Index is another proud milestone for Calibre and reflects the significant value we are creating for shareholders as we successfully grow the company. We look forward to the increased exposure, broader range of potential investors, enhanced liquidity and trading flexibility that inclusion in the S&P/TSX Composite Index can provide as we execute on our strategy to continue to drive long-term value for our shareholders."

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, Canada; Nevada and Washington, 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.

We seek Safe Harbor.