REE Altona Rare Earths Plc

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer and to the FCA in Microsoft Word format if possible)

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:

Altona Rare Earths PLC

1b. Please indicate if the issuer is a non-UK issuer  (please mark with an “X” if appropriate)

Non-UK issuer

2. Reason for the notification (please mark the appropriate box or boxes with an “X”)

An acquisition or disposal of voting rights

   X

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify):

3. Details of person subject to the notification obligation

Name

R S & C A JENNINGS

City and country of registered office (if applicable)

York, UK

4. Full name of shareholder(s) (if different from 3.)v

Name

City and country of registered office (if applicable)

5. Date on which the threshold was crossed or reached:

27 June 2024

6. Date on which issuer notified (DD/MM/YYYY):

27 June 2024

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 of issuer

Resulting situation on the date on which threshold was crossed or reached

7.2%

7.2%

86,767,107

Position of previous notification (if

applicable)

1.98%

1.98%

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

A: Voting rights attached to shares

Class/type of
shares

ISIN code (if possible)

Number of voting rights

% of voting rights

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

Direct

(Art 9 of Directive 2004/109/EC) (DTR5.1)

Indirect

(Art 10 of Directive 2004/109/EC) (DTR5.2.1)

GB00BJFDXW97

6,220,000

n/a

7.2%

n/a

SUBTOTAL 8. A

6,220,000

7.2%

B 1: Financial Instruments according to Art. 13(1)(a) of Directive 2004/109/EC (DTR5.3.1.1 (a))

Type of financial instrument

Expiration
date

Exercise/
Conversion Periodxi

Number of voting rights that may be acquired if the instrument is

exercised/converted.

% of voting rights

SUBTOTAL 8. B 1