TR1 - Notification of Holdings in Company

RNS Number : 7904U

Altona Rare Earths PLC

27 February 2026

TR-1: Standard 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 attachedⁱⁱ:			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						X
An event changing the breakdown of voting rights						X
Other (please specify)ⁱⁱⁱ: Placing diluting interest and new stock issuance
3. Details of person subject to the notification obligation^iv
Name			R S & C A 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:			27 Feb 2026
6. Date on which issuer notified (DD/MM/YYYY):			27 Feb 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 of issuer^vii
Resulting situation on the date on which threshold was crossed or reached	5.4%	9.87%		15.27%	374,682,301
Position of previous notification (if applicable)	8.95%	10.76%		23.07%

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		20,382,304		n/a			5.4%		n/a


SUBTOTAL 8. A		20,382,304					5.4%

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
Warrant	Dec 2027		1 pence		Physical			12,000,000	3.20%
Warrant	Jun 2028		1.5 pence		Physical			25,000,000	6.67%

					SUBTOTAL 8.B.2				10.32%

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

N/A

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END

HOLEAKAXASLKEFA

Date	27 Feb 2026
Time	16:56:24
Category	Holding(s) in company
ID	7904U

Date	27 Feb 2026
Time	16:56:24
Category	Holding(s) in company
ID	7904U

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TR1 - Notification of Holdings in Company