Mr. Jack Garman reports

ENDEAVOUR TO ANNOUNCE ITS Q1 2026 RESULTS ON 30 APRIL 2026

Endeavour Mining PLC expects to release its Q1 2026 financial results on Thursday, April 30, 2026, before the London Stock Exchange market open. Management will host a conference call and webcast on the same day, Thursday, April 30, 2026, at 8:30 a.m. EST/1:30 p.m. BST to discuss the company's financial results.

The conference call and webcast are scheduled at:

• 5:30 a.m. in Vancouver;
• 8:30 a.m. in Toronto and New York.

Notice of results:

• 1:30 p.m. in London;
• 9:30 p.m. in Hong Kong and Perth.

Analysts and investors are invited to participate and ask questions by registering on-line for the conference call dial-in.

The conference call and webcast will be available for playback on Endeavour's website.