Mr. Jake Cain reports

MONTAGE GOLD REPORTS FATAL ACCIDENT AT ITS KONÉ PROJECT IN CÔTE D'IVOIRE

Montage Gold Corp. is saddened to note that a Montage colleague passed away yesterday as a result of injuries sustained in an incident that occurred during earthworks activities at the company's Kone project in Ivory Coast.

The health, safety and welfare of the company's colleagues is its top priority and the company is deeply saddened by this news. Montage extends its sincere sympathies and support to his family, colleagues and friends.

A comprehensive internal investigation into the incident is under way, specifically as it occurred over a kilometre away from the employee's assigned work location. Montage will work closely with the relevant local authorities.

Construction activities were paused on Aug. 14, 2025, and are scheduled to resume on Aug. 15, 2025.

About Montage Gold Corp.

Montage Gold is a Canadian-listed company focused on becoming a premier multiasset African gold producer, with its flagship Kone project, located in Ivory Coast, at the forefront. Based on the updated feasibility study published in 2024 (the UFS), the Kone project has an estimated 16-year mine life and sizeable annual production of 300,000-plus ounces of gold over the first eight years and is expected to enter production in Q2 2027.

Qualified person statement

The scientific and technical contents of this press release have been verified and approved by Peder Olsen, a qualified person pursuant to National Instrument 43-101. Mr. Olsen, president and chief development officer of Montage, is a registered fellow of the Australasian Institute of Mining and Metallurgy (AusIMM).

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