Mast Energy Developments PLC — Major Shareholding Notification 2025

Apr 17, 2025

National Storage Mechanism | Additional information

RNS Number : 5039F

Mast Energy Developments PLC

17 April 2025

Mast Energy Developments PLC

(Incorporated in England and Wales)

(Registration Number: 12886458)

LEI :213800HFVHGJ9YGO9F71

Share code on the LSE: MAST

ISIN: GB00BMBSCV12

('MED' or 'the Company')

Dated:17 April 2025

Mast Energy Developments PLC

TR-1: Standard form for notification of major holdings

NOTIFICATION OF MAJOR HOLDINGS (to be sent to the relevant issuer 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 :			Mast Energy Developments 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:
3. Details of person subject to the notification obligation iv
Name			RiverFort Global Opportunities PCC Ltd
City and country of registered office (if applicable)			Gibraltar
4. Full name of shareholder(s) (if different from 3.) v
Name			Jarvis Investment Management Ltd
City and country of registered office (if applicable)			London
5. Date on which the threshold was crossed or reached vi :			17/04/2025
6. Date on which issuer notified (DD/MM/YYYY):			17/04/2025
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	15.9988%			15.9988%	68,211,746
Position of previous notification (if applicable)	19.5171%

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)
Ordinary Shares (GB00BMBSCV12)		68,211,746					15.9988%
SUBTOTAL 8. A		68,211,746					15.9988%
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
The number and % of voting rights held
The date until which the voting rights will be held
11. Additional information xvi
The Ordinary Shares are held by Jarvis Investment Management in CREST for the benefit of RiverFort Global Opportunities PCC Ltd.

Place of completion	London, United Kingdom
Date of completion	17th April 2025

ENDS

This announcement contains inside information for the purposes of the UK version of the Market Abuse Regulation (EU No. 596/2014) as it forms part of United Kingdom domestic law by virtue of the European Union (Withdrawal) Act 2018 ('UK MAR'). Upon the publication of this announcement, this inside information is now considered to be in the public domain.

For further information please visit www.med.energy or contact:

Pieter Krügel	[email protected]	Mast Energy Developments PLC	CEO
Jon Belliss	+44 (0)20 7399 9425	Novum Securities	Corporate Broker
Guy Wheatley, CFA	+44 (0)74 9398 9014	Fortified Securities	Corporate Broker

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