Holding(s) in Company

TR-1: Standard form for notification of major holdings1. Issuer DetailsISINGB00BL6K5J42Issuer NameENDEAVOUR MINING PLCUK or Non-UK IssuerUK2. Reason for NotificationAn acquisition or disposal of voting rights3. Details of person subject to the notification obligationNameBlackRock, Inc.City of regis…

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00BL6K5J42

Issuer Name

ENDEAVOUR MINING PLC

UK or Non-UK Issuer

2. Reason for Notification

An acquisition or disposal of voting rights

3. Details of person subject to the notification obligation

Name

BlackRock, Inc.

City of registered office (if applicable)

Wilmington

Country of registered office (if applicable)

USA

4. Details of the shareholder

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

City of registered office (if applicable)

Country of registered office (if applicable)

5. Date on which the threshold was crossed or reached

26-Jun-2026

6. Date on which Issuer notified

29-Jun-2026

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

. % of voting rights attached to shares (total of 8.A) % of voting rights through financial instruments (total of 8.B 1 + 8.B 2) Total of both in % (8.A + 8.B) Total number of voting rights held in issuer

Resulting situation on the date on which threshold was crossed or reached 11.880000 1.170000 13.050000 31567810

Position of previous notification (if applicable) 12.050000 1.320000 13.370000

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

8A. Voting rights attached to shares

Class/Type of shares ISIN code(if possible) Number of direct voting rights (DTR5.1) Number of indirect voting rights (DTR5.2.1) % of direct voting rights (DTR5.1) % of indirect voting rights (DTR5.2.1)

GB00BL6K5J42 28716509 11.880000

Sub Total 8.A 28716509 11.880000%

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

Type of financial instrument Expiration date Exercise/conversion period Number of voting rights that may be acquired if the instrument is exercised/converted % of voting rights

Securities Lending 2191368 0.900000

Sub Total 8.B1 2191368 0.900000%

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

Type of financial instrument Expiration date Exercise/conversion period Physical or cash settlement Number of voting rights % of voting rights

CFD Cash 659933 0.270000

Sub Total 8.B2 659933 0.270000%

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 Saturn Subco, LLC

BlackRock, Inc. (Chain 1) BlackRock Finance, Inc.

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) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 2) BlackRock Finance, Inc.

BlackRock, Inc. (Chain 2) Trident Merger, LLC

BlackRock, Inc. (Chain 2) BlackRock Investment Management, LLC

BlackRock, Inc. (Chain 3) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 3) BlackRock Finance, Inc.

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 Investment Management (UK) Limited 6.180000 0.470000 6.650000%

BlackRock, Inc. (Chain 4) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 4) BlackRock Finance, Inc.

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 Saturn Subco, LLC

BlackRock, Inc. (Chain 5) BlackRock Finance, Inc.

BlackRock, Inc. (Chain 5) BlackRock Holdco 2, Inc.

BlackRock, Inc. (Chain 5) BlackRock Financial Management, Inc.

BlackRock, Inc. (Chain 5) BlackRock Holdco 4, LLC

BlackRock, Inc. (Chain 5) BlackRock Holdco 6, LLC

BlackRock, Inc. (Chain 5) BlackRock Delaware Holdings Inc.

BlackRock, Inc. (Chain 5) BlackRock Institutional Trust Company, National Association

BlackRock, Inc. (Chain 6) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 6) BlackRock Finance, Inc.

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 Fund Advisors

BlackRock, Inc. (Chain 7) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 7) BlackRock Finance, Inc.

BlackRock, Inc. (Chain 7) BlackRock Holdco 2, Inc.

BlackRock, Inc. (Chain 7) BlackRock Financial Management, Inc.

BlackRock, Inc. (Chain 8) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 8) BlackRock Finance, 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 Saturn Subco, LLC

BlackRock, Inc. (Chain 9) BlackRock Finance, Inc.

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) BlackRock Canada Holdings ULC

BlackRock, Inc. (Chain 9) BlackRock Asset Management Canada Limited

BlackRock, Inc. (Chain 10) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 10) BlackRock Finance, Inc.

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 Saturn Subco, LLC

BlackRock, Inc. (Chain 11) BlackRock Finance, Inc.

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 Advisors (UK) Limited

BlackRock, Inc. (Chain 12) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 12) BlackRock Finance, Inc.

BlackRock, Inc. (Chain 12) BlackRock Holdco 2, Inc.

BlackRock, Inc. (Chain 12) BlackRock Financial Management, Inc.

BlackRock, Inc. (Chain 12) BlackRock International Holdings, Inc.

BlackRock, Inc. (Chain 12) BR Jersey International Holdings L.P.

BlackRock, Inc. (Chain 12) BlackRock (Singapore) Holdco Pte. Ltd.

BlackRock, Inc. (Chain 12) BlackRock (Singapore) Limited

BlackRock, Inc. (Chain 13) BlackRock Saturn Subco, LLC

BlackRock, Inc. (Chain 13) BlackRock Finance, Inc.

BlackRock, Inc. (Chain 13) Trident Merger, LLC

BlackRock, Inc. (Chain 13) BlackRock Investment Management, LLC

BlackRock, Inc. (Chain 13) Amethyst Intermediate, LLC

BlackRock, Inc. (Chain 13) Aperio Holdings, LLC

BlackRock, Inc. (Chain 13) Aperio Group, LLC

10. In case of proxy voting

Name of the proxy holder

The number and % of voting rights held

The date until which the voting rights will be held

If date does not apply, explain below

11. Additional Information

BlackRock Regulatory Threshold Reporting Team

Jana Blumenstein

020 7743 3650

12. Date of Completion

29th June 2026

13. Place Of Completion

12 Throgmorton Avenue, London, EC2N 2DL, U.K.

Attachment