Mr. Jack Garman reports

ENDEAVOUR TO ANNOUNCE ITS Q3-2026 RESULTS ON 12 NOVEMBER 2026

Endeavour Mining PLC expects to release its Q3 2026 financial results on Thursday, Nov. 12, 2026, before the London Stock Exchange market open. Management will host a conference call and webcast on the same day, Thursday, Nov. 12, 2026, at 8:30 a.m. EST/1:30 p.m. GMT to discuss the company's financial results.

The conference call and webcast are scheduled at:

• 6:30 a.m. in Vancouver;
• 8:30 a.m. in Toronto and New York;
• 1:30 p.m. in London;
• 9:30 p.m. in Hong Kong and Perth.

The webcast can be accessed on-line.

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

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