Endeavour Reports Fatal Accident at Mana MINE

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NEWS RELEASE – TSX and LSE: EDV

ENDEAVOUR REPORTS FATAL ACCIDENT AT MANA MINE

London, 28 February 2024 – Endeavour Mining plc (LSE:EDV, TSX:EDV, OTCQX:EDVMF) (“Endeavour” or the

“Company”) is saddened to report that a contractor colleague passed away yesterday, 27 February 2024, as a

result of injuries sustained in an incident that occurred during maintenance activities at the Mana mine in

Burkina Faso.

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.

Endeavour will conduct a comprehensive internal investigation into the incident and will work closely with the

relevant local authorities. Processing activities are continuing while underground mining operations have been

temporarily halted, as the incident remains under investigation.

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

[email protected] [email protected]

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 in the highly prospective Birimian Greenstone Belt across West Africa.

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.