Mr. Jack Garman reports

ENDEAVOUR REPORTS FATAL ACCIDENT AT LAFIGUE MINE

A contractor colleague passed away on May 29, 2026, following a heavy mining equipment incident that occurred during water drainage activities, being carried out by a civil engineering contractor, at Endeavour Mining PLC's Lafigue mine in Ivory Coast.

All relevant authorities have been informed, and Endeavour is conducting a comprehensive investigation into the incident to understand its root causes. Contractor activities were temporarily paused, while processing operations continued uninterrupted.

The health, safety and welfare of Endeavour Mining's colleagues remain the company's top priority and Endeavour Mining extends its sincere sympathies and support to its contractor colleague's family, colleagues and friends.

About Endeavour Mining PLC

Endeavour Mining is one of the world's senior gold producers and the largest in West Africa, with operating assets across Senegal, Ivory Coast and Burkina Faso and a strong portfolio of advanced development projects and exploration assets.

A member of the World Gold Council, Endeavour is committed to the principles of responsible mining and delivering sustainable value to its employees, stakeholders and the communities where it operates. Endeavour is admitted to listing and to trading on the London Stock Exchange and the Toronto Stock Exchange, under the symbol EDV.