Dated: 05 December 2023

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)

1a. Identity of the issuer or the underlying issuer of existing shares to which voting rights are attached:			Mast Energy Developments PLC
1b. Please indicate if the issuer is a non-UK issuer (please mark with an "X" if appropriate)

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			Kibo Mining (Cyprus) Limited
City and country of registered office (if applicable)			Limassol Cyprus
4. Full name of shareholder(s) (if different from 3.)
Name
City and country of registered office (if applicable)
5. Date on which the threshold was crossed or reached:			01/12/23
6. Date on which issuer notified (DD/MM/YYYY):			05/12/23
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)
Resulting situation on the date on which threshold was crossed or reached	47.08%		47.08%	124,211,746
Position of previous notification (if applicable)	48.35%		48.35%

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 (DTR5.1)		Indirect (DTR5.2.1)			Direct (DTR5.1)		Indirect (DTR5.2.1)
GB00BMBSCV12		124,211,746					47.08%

SUBTOTAL 8. A		124,211,746

B 1: 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

			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		Exercise/ Conversion Period		Physical or cash Settlement			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
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)				X
Name	% 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
Kibo Energy PLC
Kibo Mining (Cyprus) Limited	47.08%		47.08%


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

Place of completion	Limassol, Cyprus
Date of completion	1/12/23

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

Pieter Krügel	Info@med.energy	Mast Energy Developments PLC	CEO
Jon Belliss	+44 (0)20 7399 9425	Novum Securities	Corporate Broker
Zainab Slemang van Rijmenant	zainab@lifacommunications.com	Lifa Communications	Investor & Media Relations Advisor

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Dated: 05 December 2023