Kibo Subsidiary Announces TR-1 Notification of Major Shareholdings Kibo Energy PLC (Incorporated in Ireland) (Registration Number: 451931) (External registration number: 2011/007371/10) LEI Code: 635400WTCRIZB6TVGZ23 Share code on the JSE Limited: KBO Share code on the AIM: KIBO ISIN: IE00B97C0C31 ('Kibo' or 'the Company') Dated: 9 May 2024 Kibo Energy PLC ('Kibo' or the 'Company') Kibo Subsidiary Announces TR-1 Notification of Major Shareholdings Kibo Energy PLC (AIM: KIBO; AltX: KBO), the renewable energy-focused development company, announces a TR-1 Notification by its subsidiary Mast Energy Developments PLC ('MED'), a UK- based multi-asset owner, developer and operator in the rapidly growing flexible power market. Further details can be found in the full MED announcement, which is available below and at med.energy: ––––––––––––––––––––––––– Dated: 9 May 2024 TR-1: Standard form for notification of major holdings 1. Issuer Details ISIN GB00BMBSCV12 Issuer Name MAST ENERGY DEVELOPMENTS PLC UK or Non-UK Issuer UK 2. Reason for Notification An acquisition or disposal of voting rights 3. Details of person subject to the notification obligation Name Charlemont Capital Investments SARL City of registered office (if applicable) Howald Country of registered office (if applicable) Luxembourg 4. Details of the shareholder Name City of registered Country of registered office office Aurora Nominees Ltd London United Kingdom 5. Date on which the threshold was crossed or reached 07-May-2024 6. Date on which Issuer notified 08-May-2024 7. Total positions of person(s) subject to the notification obligation % of voting % of voting rights Total of Total number rights through both in % of voting attached to financial (8.A + 8.B) rights held in shares (total instruments issuer of 8.A) (total of 8.B 1 + 8.B 2) Resulting situation on the date on which 3.031000 0.000000 3.031000 8,000,000 threshold was crossed or reached Position of previous notification (if applicable) 8. Notified details of the resulting situation on the date on which the threshold was crossed or reached 8A. Voting rights attached to shares Class/Type of Number of Number of % of % of shares ISIN direct voting indirect direct indirect code(if possible) rights (DTR5.1) voting voting voting rights rights rights (DTR5.2.1) (DTR5.1) (DTR5.2.1 ) GB00BMBSCV 8,000,000 0 3.031000 0.000000 12 Sub Total 8.A 8,0000,00 3.031000% 8B1. Financial Instruments according to (DTR5.3.1R.(1) (a)) Number of voting % of Type of Expirati Exercise/convers rights that may be votin financial on date ion period acquired if the g instrument instrument is right exercised/converted s Sub Total 8.B1 8B2. Financial Instruments with similar economic effect according to (DTR5.3.1R.(1) (b)) Type of Expirati Exercise/convers Physical or Number % of financial on date ion period cash of voting votin instrument settlement rights g right s Sub Total 8.B2 9. Information in relation to the person subject to the notification obligation 1. 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. % of voting % of voting rights Total of both Ultimate Name of rights if it through financial if it equals or controlling controlled equals or is instruments if it is higher than person undertaki higher than equals or is higher the notifiable ng the notifiable than the notifiable threshold threshold threshold 10. In case of proxy voting 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 12. Date of Completion 08-May-2024 13. Place Of Completion Luxembourg 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 Info@med.energy Mast Energy Developments PLC CEO Jon Belliss +44 (0)20 7399 9425 Novum Securities Corporate Broker _________________________ **ENDS** For further information please visit www.kibo.energy or contact: Louis Coetzee info@kibo.energy Kibo Energy PLC Chief Executive Officer James Biddle +44 207 628 3396 Beaumont Cornish Limited Nominated Adviser Roland Cornish Claire Noyce +44 20 3764 2341 Hybridan LLP Joint Broker Damon Heath +44 207 186 9952 Shard Capital Partners LLP Joint Broker Beaumont Cornish Limited ('Beaumont Cornish') is the Company's Nominated Adviser and is authorised and regulated by the FCA. Beaumont Cornish's responsibilities as the Company's Nominated Adviser, including a responsibility to advise and guide the Company on its responsibilities under the AIM Rules for Companies and AIM Rules for Nominated Advisers, are owed solely to the London Stock Exchange. Beaumont Cornish is not acting for and will not be responsible to any other persons for providing protections afforded to customers of Beaumont Cornish nor for advising them in relation to the proposed arrangements described in this announcement or any matter referred to in it. Johannesburg 9 May 2024 Corporate and Designated Adviser River Group Date: 09-05-2024 11:45:00 Produced by the JSE SENS Department. The SENS service is an information dissemination service administered by the JSE Limited ('JSE'). The JSE does not, whether expressly, tacitly or implicitly, represent, warrant or in any way guarantee the truth, accuracy or completeness of the information published on SENS. The JSE, their officers, employees and agents accept no liability for (or in respect of) any direct, indirect, incidental or consequential loss or damage of any kind or nature, howsoever arising, from the use of SENS or the use of, or reliance on, information disseminated through SENS.