January 28, 2023

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Holding(s) in Company

On 10 January 2023 Endeavour Mining plc (“the Company”) received the following notification from BlackRock, Inc. of its interests in the Company as of 10 January 2023:

1. Issuer Details

2. Reason for Notification

3. Details of person subject to the notification obligation

BlackRock, Inc.

4. Details of the shareholder

Full name of shareholder(s) if different from the person(s) subject to the notification obligation, above

5. Date on which the threshold was crossed or reached

6. Date on which Issuer notified

7. Total positions of person(s) subject to the notification obligation

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached

8A. Voting rights attached to shares

8B1. Financial Instruments according to (DTR5.3.1R.(1) (a))

8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b))

9. Information in relation to the person subject to the notification obligation

2. Full chain of controlled undertakings through which the voting rights and/or the financial instruments are effectively held starting with the ultimate controlling natural person or legal entities (please add additional rows as necessary)

Ultimate controlling person Name of controlled undertaking % of voting rights if it equals or is higher than the notifiable threshold % of voting rights through financial instruments if it equals or is higher than the notifiable threshold Total of both if it equals or is higher than the notifiable threshold BlackRock, Inc. (Chain 1) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 1) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 1) BlackRock International Holdings, Inc.       BlackRock, Inc. (Chain 1) BR Jersey International Holdings L.P.       BlackRock, Inc. (Chain 1) BlackRock (Singapore) Holdco Pte. Ltd.       BlackRock, Inc. (Chain 1) BlackRock HK Holdco Limited       BlackRock, Inc. (Chain 1) BlackRock Lux Finco S.a.r.l.       BlackRock, Inc. (Chain 1) BlackRock Japan Holdings GK       BlackRock, Inc. (Chain 1) BlackRock Japan Co., Ltd.       BlackRock, Inc. (Chain 2) Trident Merger, LLC       BlackRock, Inc. (Chain 2) BlackRock Investment Management, LLC       BlackRock, Inc. (Chain 3) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 3) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 3) BlackRock International Holdings, Inc.       BlackRock, Inc. (Chain 3) BR Jersey International Holdings L.P.       BlackRock, Inc. (Chain 3) BlackRock Holdco 3, LLC       BlackRock, Inc. (Chain 3) BlackRock Cayman 1 LP       BlackRock, Inc. (Chain 3) BlackRock Cayman West Bay Finco Limited       BlackRock, Inc. (Chain 3) BlackRock Cayman West Bay IV Limited       BlackRock, Inc. (Chain 3) BlackRock Group Limited       BlackRock, Inc. (Chain 3) BlackRock Finance Europe Limited       BlackRock, Inc. (Chain 3) BlackRock Investment Management (UK) Limited 9.560000 0.220000 9.790000% BlackRock, Inc. (Chain 4) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 4) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 4) BlackRock International Holdings, Inc.       BlackRock, Inc. (Chain 4) BR Jersey International Holdings L.P.       BlackRock, Inc. (Chain 4) BlackRock Australia Holdco Pty. Ltd.       BlackRock, Inc. (Chain 4) BlackRock Investment Management (Australia) Limited       BlackRock, Inc. (Chain 5) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 5) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 5) BlackRock International Holdings, Inc.       BlackRock, Inc. (Chain 5) BR Jersey International Holdings L.P.       BlackRock, Inc. (Chain 5) BlackRock Holdco 3, LLC       BlackRock, Inc. (Chain 5) BlackRock Cayman 1 LP       BlackRock, Inc. (Chain 5) BlackRock Cayman West Bay Finco Limited       BlackRock, Inc. (Chain 5) BlackRock Cayman West Bay IV Limited       BlackRock, Inc. (Chain 5) BlackRock Group Limited       BlackRock, Inc. (Chain 5) BlackRock International Limited       BlackRock, Inc. (Chain 6) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 6) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 6) BlackRock Holdco 4, LLC       BlackRock, Inc. (Chain 6) BlackRock Holdco 6, LLC       BlackRock, Inc. (Chain 6) BlackRock Delaware Holdings Inc.       BlackRock, Inc. (Chain 6) BlackRock Institutional Trust Company, National Association       BlackRock, Inc. (Chain 7) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 7) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 8) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 8) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 8) BlackRock International Holdings, Inc.       BlackRock, Inc. (Chain 8) BR Jersey International Holdings L.P.       BlackRock, Inc. (Chain 8) BlackRock (Singapore) Holdco Pte. Ltd.       BlackRock, Inc. (Chain 8) BlackRock HK Holdco Limited       BlackRock, Inc. (Chain 8) BlackRock Asset Management North Asia Limited       BlackRock, Inc. (Chain 9) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 9) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 9) BlackRock International Holdings, Inc.       BlackRock, Inc. (Chain 9) BR Jersey International Holdings L.P.       BlackRock, Inc. (Chain 9) BlackRock Holdco 3, LLC       BlackRock, Inc. (Chain 9) BlackRock Canada Holdings LP       BlackRock, Inc. (Chain 9) BlackRock Canada Holdings ULC       BlackRock, Inc. (Chain 9) BlackRock Asset Management Canada Limited       BlackRock, Inc. (Chain 10) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 10) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 10) BlackRock Capital Holdings, Inc.       BlackRock, Inc. (Chain 10) BlackRock Advisors, LLC       BlackRock, Inc. (Chain 11) BlackRock Holdco 2, Inc.       BlackRock, Inc. (Chain 11) BlackRock Financial Management, Inc.       BlackRock, Inc. (Chain 11) BlackRock International Holdings, Inc.       BlackRock, Inc. (Chain 11) BR Jersey International Holdings L.P.       BlackRock, Inc. (Chain 11) BlackRock Holdco 3, LLC       BlackRock, Inc. (Chain 11) BlackRock Cayman 1 LP       BlackRock, Inc. (Chain 11) BlackRock Cayman West Bay Finco Limited       BlackRock, Inc. (Chain 11) BlackRock Cayman West Bay IV Limited       BlackRock, Inc. (Chain 11) BlackRock Group Limited       BlackRock, Inc. (Chain 11) BlackRock Finance Europe Limited       BlackRock, Inc. (Chain 11) BlackRock Advisors (UK) Limited       BlackRock, Inc. (Chain 12) Trident Merger, LLC       BlackRock, Inc. (Chain 12) BlackRock Investment Management, LLC       BlackRock, Inc. (Chain 12) Amethyst Intermediate, LLC       BlackRock, Inc. (Chain 12) Aperio Holdings, LLC       BlackRock, Inc. (Chain 12) Aperio Group, LLC      

10. In case of proxy voting

11. Additional Information

12. Date of Completion

13. Place Of Completion

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