REG-Endeavour Reports Fatal Accident at Mana Mine

Endeavour MiningAnnouncement

Mon 07:00

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ENDEAVOUR REPORTS FATAL ACCIDENT AT MANA MINE

London, 9 March 2026 – Endeavour Mining plc (LSE:EDV, TSX:EDV, OTCQX:EDVMF)
(“Endeavour” or the “Company”) regrets to report that a contractor
colleague passed away on 6 March 2026, as a result of injuries sustained in an
incident that occurred during maintenance activities at the scrapyard at the
Mana mine in Burkina Faso.

Mining and processing activities remain uninterrupted while Endeavour conducts
a comprehensive internal investigation into the incident.

The health, safety and welfare of our colleagues are our top priority, and we
are deeply saddened by this news. We extend our sincere sympathies and support
to his family, colleagues and friends.

CONTACT INFORMATION

 For Investor Relations Enquiries:     For Media Enquiries:           
 Jack Garman                           Brunswick Group LLP in London  
 Vice President of Investor Relations  Carole Cable, Partner          
 +44 203 011 2723                      +44 7974 982 458               
 investor@endeavourmining.com          ccable@brunswickgroup.com      

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, Cote d’Ivoire 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.

For more information, please visit www.endeavourmining.com.

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*     260309 - NR - Fatality at Mana
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