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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

Corporate Updates

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

Name

South32 Limited

City of registered office (if applicable)

Perth

Country of registered office (if applicable)

Australia

4. Details of the shareholder

Name City of registered

office

Country of registered

office

South32 Southern Africa

Holdings Limited London England

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 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

17.516473 0.000000 17.516473 43622091

crossed or

reached

Position of

previous

notification (if

applicable)

16.917220 0.000000 16.917220

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 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)

GB0006449366 43622091 17.516473

Sub Total 8.A 43622091 17.516473%

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

Sub Total 8.B1

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

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)

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

South32

Limited

17.516473

South32

Limited

South32

International

Investment

17.516473

Holdings Pty

Ltd

South32

Limited

South32

Southern Africa

Holdings

Limited

17.516473

South32

Limited

South32

International

Investment Pty

Ltd

0.000000

South32

Limited

South32 Jersey

Limited 0.000000

South32

Limited

South32 SA

Investments

Limited

0.000000

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