Endeavour Reports Fatal Accident at Mana Mine

Rhea-AI Summary

Endeavour (OTCQX: EDVMF) reported a fatal accident at its Mana mine in Burkina Faso on 6 March 2026, when a contractor died from injuries sustained during maintenance at the scrapyard. Mining and processing activities remain uninterrupted while the company conducts a comprehensive internal investigation and offers support to the deceased's family.

Date: 9 March 2026. Actions: internal investigation, continued operations, and extended condolences.

Positive

• Operations remained uninterrupted after the incident
• Company opened a comprehensive internal investigation
• Company provided support and condolences to the deceased's family

Negative

• Fatality of a contractor on 6 March 2026
• Safety incident may prompt internal and external scrutiny

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.

Attachment

• 260309 - NR - Fatality at Mana

FAQ

What happened at the Mana mine involving Endeavour (EDVMF) on 6 March 2026?

A contractor died from injuries sustained during maintenance activities on 6 March 2026. According to the company, the fatality occurred at the scrapyard and prompted a comprehensive internal investigation while operations continued.

Are mining and processing operations at Mana mine continuing after the March 2026 accident?

Yes, mining and processing activities remained uninterrupted following the accident. According to the company, operations continued while a comprehensive internal investigation into the incident was carried out.

Did Endeavour (EDVMF) announce an investigation after the Mana mine fatality?

Yes, the company initiated a comprehensive internal investigation into the incident. According to the company, the investigation focuses on the circumstances of the scrapyard maintenance accident that caused the fatality.

What support did Endeavour (EDVMF) offer after the Mana mine fatal accident?

Endeavour expressed sincere sympathies and extended support to the contractor's family and colleagues. According to the company, welfare and safety of colleagues are a top priority and support measures were offered.

Who can investors contact about the Mana mine incident involving Endeavour (EDVMF)?

Investor relations and media contacts were provided for inquiries on the incident. According to the company, Jack Garman handles investor relations and Brunswick Group contact Carole Cable handles media enquiries.