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ECOR.TO ·

TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB0006449366 Issuer Name ECORA RESOURCES PLC UK or Non-UK Issuer UK 2. Reason for Notification An acquisition or disposal of voting rights 3. Details of person subject to the notification obligation

Regulatory & Compliance

ISIN

GB0006449366

Issuer Name

ECORA RESOURCES PLC

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of voting rights

3. Details of person subject to the notification obligation

Name

South32 Limited

City of registered office (if applicable)

Perth

Country of registered office (if applicable)

Australia

4. Details of the shareholder

NameCity of registeredCountry of registered
officeoffice
South32 Southern Africa Holdings LimitedLondonEngland

5. Date on which the threshold was crossed or reached

14-May-2025

6. Date on which Issuer notified

16-May-2025

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

.% of voting rights attached to shares (total of 8.A)% of votingTotal of both in % (8.A + 8.B)Total number of voting rights held in issuer
rights through
financial
instruments
(total of 8.B 1 +
8.B 2)
Resulting situation on the date on which threshold was17.5164730.00000017.51647343622091
crossed or reached
Position of previous notification (if applicable)16.9172200.00000016.917220

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 ofNumber of directNumber of% of indirect
% of direct voting
shares ISINvoting rightsindirect votingvoting rights
rights (DTR5.1)
code(if possible)(DTR5.1)rights (DTR5.2.1)(DTR5.2.1)
GB00064493664362209117.516473
4362209117.516473%
Sub Total 8.A

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

Number of voting rights that
% of
Type of financialExpirationExercise/conversionmay be acquired if the
voting
instrumentdateperiodinstrument is
rights
exercised/converted
Sub Total 8.B1

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

Type of% of
ExpirationExercise/conversionPhysical or cashNumber of
financialvoting
dateperiodsettlementvoting rights
instrumentrights
Sub Total 8.B2

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)

% of voting rights
Total of both
through financial
% of voting rights ifif it equals or
instruments if it
UltimateName of controlledit equals or isis higher
equals or is
controlling personundertakinghigher than thethan the
higher than the
notifiable thresholdnotifiable
notifiable
threshold
threshold
South32 Limited17.516473
South32 LimitedSouth32 International Investment17.516473
Holdings Pty Ltd
South32 LimitedSouth32 Southern Africa Holdings Limited17.516473
South32 LimitedSouth32 International Investment Pty Ltd0.000000
South32 LimitedSouth32 Jersey Limited0.000000
South32 LimitedSouth32 SA Investments Limited0.000000

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

11. Additional Information

This notification reflects the fact that as part of an internal reorganisation, the voting rights attached to shares which were the subject of the notification made on 22 July 2022 have been transferred to another entity in the South32 group. The legal owner of the shares is Canaccord Genuity Wealth Limited (acting as nominee).

12. Date of Completion

19-May-2025

13. Place Of Completion

Perth, Australia