National Storage Mechanism | Additional information

28 August 2025

ALTONA RARE EARTHS PLC

("Altona" or "the Company")

PDMR Dealing and TR1s

Altona (LSE: REE), a resource exploration and development company focused on critical raw materials in Africa, announces that it has been notified that on 28 August 2025, PDMR, Louise Adrian, transferred 2,609,345 ordinary shares of 1 pence each in the Company ("Shares") held by herself to a self-invested personal pension accounts ("SIPP") held in her name at a price of £0.0148.

The SIPP transfer was effected by the sale and immediate repurchase of the Shares. Following the SIPP transfer, the number of and beneficial ownership of Shares held by Louise Adrian is unchanged.

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-ends-

Altona Rare Earths Plc

Cédric Simonet, CEO +44 (0) 7778 866 108

Louise Adrian, CFO +44 (0) 7721 492 922

Strand Hanson (Financial Adviser) +44 (0) 20 7409 3494

Christopher Raggett

Imogen Ellis

Oberon Capital (Corporate Broker ) +44 (0) 20 3179 5300

Nick Lovering

Adam Pollock

Aimee McCusker

Notification and public disclosure of transaction by person discharging managerial responsibilities

Details of the person discharging managerial responsibilities/person closely associated

Name

1) Louise Adrian

Reason for notification

Position/Status

1) Director

Initial notification/ Amendment

Initial notification

Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor

Name

Altona Rare Earths Plc

LEI

2138002A5GU9BFS2I491

Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted

Description of the financial instrument, type of instrument
Identification Code

Ordinary shares of £0.01

ISIN Code: GB00BFZNKV91

Nature of the transaction

Transfer effected by the sale and immediate repurchase of Shares with no change in beneficial ownership.

Price(s) and volume(s)

Price

Volume

1) £0.0148

2,609,345 Shares Sold

2) £0.0148

3) £0.0149

2,595,285

14,060

---------------

2,609,345

Shares Repurchased

Aggregated information

- Aggregated Volume

- Price

N/a - single transaction

Date of the transaction

28 August 2025

Place of the transaction

London Stock Exchange

TR-1: S tandard form for notification of major holdings

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

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

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

An acquisition or disposal of financial instruments

An event changing the breakdown of voting rights

Other (please specify)ⁱⁱⁱ:

3. Details of person subject to the notification obligation ^iv

Name

LOUISE ADRIAN

City and country of registered office (if applicable)

London, 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 ^vi :

26 Aug 2025

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

26 Aug 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 of issuer ^vii

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

3.03%

229,064,306

Position of previous notification (if

applicable)

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

A: Voting rights attached to shares

Class/type of
shares

ISIN code (if possible)

Number of voting rights ^ix

% 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)

GB00BFZNKV91

6,949,635

n/a

3.03%

n/a

SUBTOTAL 8. A

6,949,635

3.03%

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 ^x

Exercise/
Conversion Period ^xi

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

exercised/converted.

% of voting rights

SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of financial instrument

Expiration
date ^x

Exercise/
Conversion Period ^xi

Physical or cash

settlement ^xii

Number of voting rights

% of voting rights

SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer ^xiii				X
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 entity ^xiv (please add additional rows as necessary)
Name ^xv	% 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



10. In case of proxy voting, please identify:
Name of the proxy holder		n/a
The number and % of voting rights held		n/a
The date until which the voting rights will be held		n/a

11. Additional information ^xvi

Place of completion

Date of completion

26 Aug 2025

TR-1: S tandard form for notification of major holdings

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

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ⁱⁱ :			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
An acquisition or disposal of financial instruments						X
An event changing the breakdown of voting rights
Other (please specify)ⁱⁱⁱ:						X
3. Details of person subject to the notification obligation ^iv
Name			R S JENNINGS & RELATED PARTY CATALYSE CAPITAL LTD
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 ^vi :			26 Aug 2025
6. Date on which issuer notified (DD/MM/YYYY):			26 Aug 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 of issuer ^vii
Resulting situation on the date on which threshold was crossed or reached	9.59%	9.62%		19.21%	229,064,306
Position of previous notification (if applicable)	16.35%	4.51%		20.86%

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

A: Voting rights attached to shares

Class/type of
shares

ISIN code (if possible)

Number of voting rights ^ix

% 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)

GB00BFZNKV91

21,957,949

n/a

9.59%

n/a

SUBTOTAL 8. A

21,957.949

9.59%

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 ^x

Exercise/
Conversion Period ^xi

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

exercised/converted.

% of voting rights

Spreadbet (Long)

22,050,000

9.62%

SUBTOTAL 8. B 1

22,050,000

9.62%

B 2: Financial Instruments with similar economic effect according to Art. 13(1)(b) of Directive 2004/109/EC (DTR5.3.1.1 (b))

Type of financial instrument

Expiration
date ^x

Exercise/
Conversion Period ^xi

Physical or cash

settlement ^xii

Number of voting rights

% of voting rights

SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the

applicable box with an "X")

Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer ^xiii

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 entity ^xiv (please add additional rows as necessary)

Name ^xv

% 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

10. In case of proxy voting, please identify:

Name of the proxy holder

n/a

The number and % of voting rights held

n/a

The date until which the voting rights will be held

n/a

11. Additional information ^xvi

10M Warrant exercise

Place of completion

Date of completion

26 Aug 2025

TR-1: S tandard form for notification of major holdings

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

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ⁱⁱ :			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
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights
Other (please specify) ⁱⁱⁱ: Change in issued share capital due to fundraise, causing dilution of position.						X
3. Details of person subject to the notification obligation ^iv
Name			Tracarta Ltd
City and country of registered office (if applicable)			2^nd Floor, Connaught House, St. Julian's Avenue, St. Peter Port, Guernsey, GY1 1RD
4. Full name of shareholder(s) (if different from 3.) ^v
Name			Fiske Nominees Limited
City and country of registered office (if applicable)			100 Wood Street, London, England, EC2V 7AN
5. Date on which the threshold was crossed or reached ^vi :			26/08/2025
6. Date on which issuer notified (DD/MM/YYYY):			27/08/2025
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 (8.A + 8.B) ^vii
Resulting situation on the date on which threshold was crossed or reached	14.19%			14.19%	32,500,000
Position of previous notification (if applicable)	19.94			19.94%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached ^viii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rights ^ix					% of voting rights
		Direct (DTR5.1)		Indirect (DTR5.2.1)			Direct (DTR5.1)		Indirect (DTR5.2.1)
GB00BFZNKV91		32,500,000					14.19%


SUBTOTAL 8. A		32,500,000					14.19%

B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument		Expiration date ^x	Exercise/ Conversion Period ^xi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights



			SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expiration date ^x		Exercise/ Conversion Period ^xi		Physical or cash Settlement ^xii			Number of voting rights	% of voting rights



					SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer ^xiii
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 entity (please add additional rows as necessary) ^xiv				X
Name ^xv	% 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
Dr John Wardle (shareholder of Tracarta Limted)	-	-	-
Tracarta Limited	14.19%	-	14.19%




10. In case of proxy voting, please identify:
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 ^xvi

Place of completion	Guernsey
Date of completion	28/08/2025

TR-1: S tandard form for notification of major holdings

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

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ⁱⁱ :			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) ⁱⁱⁱ: Change in issued share capital due to fundraise, causing dilution of position.
3. Details of person subject to the notification obligation ^iv
Name			Tracarta Ltd
City and country of registered office (if applicable)			2^nd Floor, Connaught House, St. Julian's Avenue, St. Peter Port, Guernsey, GY1 1RD
4. Full name of shareholder(s) (if different from 3.) ^v
Name			Fiske Nominees Limited
City and country of registered office (if applicable)			100 Wood Street, London, England, EC2V 7AN
5. Date on which the threshold was crossed or reached ^vi :			27/08/2025
6. Date on which issuer notified (DD/MM/YYYY):			28/08/2025
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 (8.A + 8.B) ^vii
Resulting situation on the date on which threshold was crossed or reached	13.26%			13.26%	30,375,000
Position of previous notification (if applicable)	14.19%			14.19%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached ^viii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rights ^ix					% of voting rights
		Direct (DTR5.1)		Indirect (DTR5.2.1)			Direct (DTR5.1)		Indirect (DTR5.2.1)
GB00BFZNKV91		30,375,000					13.26%


SUBTOTAL 8. A		30,375,000					13.26%

B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument		Expiration date ^x	Exercise/ Conversion Period ^xi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights



			SUBTOTAL 8. B 1

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expiration date ^x		Exercise/ Conversion Period ^xi		Physical or cash Settlement ^xii			Number of voting rights	% of voting rights



					SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer ^xiii
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 entity (please add additional rows as necessary) ^xiv				X
Name ^xv	% 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
Dr John Wardle (shareholder of Tracarta Limted)	-	-	-
Tracarta Limited	13.26%	-	13.26%



10. In case of proxy voting, please identify:
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 ^xvi

Place of completion	Guernsey
Date of completion	28/08/2025

TR-1: S tandard form for notification of major holdings

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

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ⁱⁱ :			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
An acquisition or disposal of financial instruments
An event changing the breakdown of voting rights						X
Other (please specify) ⁱⁱⁱ: Change in issued share capital due to fundraise, causing dilution of position.
3. Details of person subject to the notification obligation ^iv
Name			Spreadex LTD
City and country of registered office (if applicable)			St. Albans, United Kingdom
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 ^vi :			26/08/2025
6. Date on which issuer notified (DD/MM/YYYY):			27/08/2025
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 (8.A + 8.B) ^vii
Resulting situation on the date on which threshold was crossed or reached	3.470600%	0.000000		3.470600%	7950000
Position of previous notification (if applicable)	4.767800%	0.000000		4.767800%

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached ^viii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rights ^ix					% of voting rights
		Direct (DTR5.1)		Indirect (DTR5.2.1)			Direct (DTR5.1)		Indirect (DTR5.2.1)
GB00BFZNKV91		7950000					3.470600%

SUBTOTAL 8. A		7950000					3.470600%

B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument		Expiration date ^x	Exercise/ Conversion Period ^xi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights
CFD/Spread Bet						0			0

			SUBTOTAL 8. B 1			0			0

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expiration date ^x		Exercise/ Conversion Period ^xi		Physical or cash Settlement ^xii			Number of voting rights	% of voting rights


					SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer ^xiii				X
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 entity (please add additional rows as necessary) ^xiv
Name ^xv	% 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


10. In case of proxy voting, please identify:
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 ^xvi
Lawson Roberts 01727 895145 Spreadex is an FCA regulated provider of spread betting and CFD trading. Founded in 1999, Spreadex gives both retail and professional traders the opportunity to trade over 10,000 global markets, including UK small caps. For more information see www.spreadex.com/financials .

Place of completion	UK
Date of completion	27/08/2025

TR-1: S tandard form for notification of major holdings

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

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached ⁱⁱ :			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) ⁱⁱⁱ: Change in issued share capital due to fundraise, causing dilution of position.
3. Details of person subject to the notification obligation ^iv
Name			Spreadex LTD
City and country of registered office (if applicable)			St. Albans, United Kingdom
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 ^vi :			27/08/2025
6. Date on which issuer notified (DD/MM/YYYY):			28/08/2025
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 (8.A + 8.B) ^vii
Resulting situation on the date on which threshold was crossed or reached	3.077700 %	3.055900		6.133600 %	14050000
Position of previous notification (if applicable)	3.470600 %	0.000000		3.470600 %

8. Notified details of the resulting situation on the date on which the threshold was crossed or reached ^viii
A: Voting rights attached to shares
Class/type of shares ISIN code (if possible)		Number of voting rights ^ix					% of voting rights
		Direct (DTR5.1)		Indirect (DTR5.2.1)			Direct (DTR5.1)		Indirect (DTR5.2.1)
GB00BFZNKV91		7050000					3.077700 %

SUBTOTAL 8. A		7050000					3.077700 %

B 1: Financial Instruments according to DTR5.3.1R (1) (a)
Type of financial instrument		Expiration date ^x	Exercise/ Conversion Period ^xi			Number of voting rights that may be acquired if the instrument is exercised/converted.			% of voting rights
CFD/Spread Bet						7000000			3.055900 %

			SUBTOTAL 8. B 1			7000000			3.055900%

B 2: Financial Instruments with similar economic effect according to DTR5.3.1R (1) (b)
Type of financial instrument	Expiration date ^x		Exercise/ Conversion Period ^xi		Physical or cash Settlement ^xii			Number of voting rights	% of voting rights


					SUBTOTAL 8.B.2

9. Information in relation to the person subject to the notification obligation (please mark the applicable box with an "X")
Person subject to the notification obligation is not controlled by any natural person or legal entity and does not control any other undertaking(s) holding directly or indirectly an interest in the (underlying) issuer ^xiii				X
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 entity (please add additional rows as necessary) ^xiv
Name ^xv	% 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


10. In case of proxy voting, please identify:
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 ^xvi
Lawson Roberts 01727 895145 Spreadex is an FCA regulated provider of spread betting and CFD trading. Founded in 1999, Spreadex gives both retail and professional traders the opportunity to trade over 10,000 global markets, including UK small caps. For more information see www.spreadex.com/financials .

Place of completion	UK
Date of completion	28/08/2025