Mr. Jack Garman reports

ENDEAVOUR ANNOUNCES COMPLETION OF US$500 MILLION SENIOR NOTES OFFERING AND RESULTS OF TENDER OFFER

Endeavour Mining PLC has completed its previously announced offering of $500.0-million (U.S.) in 7.000 per cent senior notes due 2030 as part of its refinancing strategy.

The proceeds of the offering, together with cash on hand, will be used to: (i) finance the purchase of any and all of the company's outstanding 5.000 per cent senior notes due 2026 validly tendered and accepted for purchase by the company pursuant to the cash tender offer launched by the company concurrently with the offering; and (ii) pay fees and expenses in relation to the offering and the tender offer.

The company also announces that $464,278,000 (U.S.) aggregate principal amount of existing notes have been tendered in the tender offer. Following completion of the tender offer, the company expects to exercise its right under the existing notes to redeem in full the remaining existing notes not tendered pursuant to the tender offer at the purchase price paid to the tendering noteholders. Nothing in this announcement constitutes a notice of redemption pursuant to the indenture.

Tender offer results

The tender offer, conducted pursuant to the terms and on the conditions set out in the offer to purchase dated May 19, 2025, expired at 5 p.m. New York time on May 28, 2025. The deadline for delivery of existing notes tendered according to the guaranteed delivery procedures, as described in the offer to purchase, is 5 p.m. New York time on May 29, 2025.

The company announces that $464,278,000 (U.S.) aggregate principal amount of existing notes were validly tendered and not withdrawn at or prior to the expiration deadline, and will be accepted for purchase by the company. These amounts include $214,000 (U.S.) aggregate principal amount of existing notes tendered pursuant to the guaranteed delivery procedures described in the offer to purchase, the purchase of which by the company remains subject to the noteholders' performance of the delivery requirements under such procedures.

The new financing condition to the tender offer has been satisfied, and the company will pay the applicable purchase price with respect to existing notes accepted for purchase promptly after the expiration deadline, on the settlement date which is expected to be May 30, 2025. In addition, holders of existing notes accepted for purchase in the tender offer will be paid a cash amount equal to accrued and unpaid interest from the last interest payment date up to, but excluding, the settlement date. Existing notes purchased in the tender offer will be retired and cancelled. Any existing notes not tendered or accepted for purchase pursuant to the tender offer will continue to accrue interest in accordance with the indenture of the existing notes.

Following completion of the tender offer, the company expects to exercise its right under the existing notes to redeem in full the remaining existing notes not tendered pursuant to the tender offer, at the purchase price paid to the tendering noteholders. Nothing in this announcement constitutes a notice of redemption pursuant to the indenture.

About Endeavour Mining PLC

Endeavour Mining is one of the world's top gold miners and one of the largest gold producers in West Africa, with operating assets across Senegal, Ivory Coast 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.

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