REG - Mast Energy Dvlpmts. - AI Investment Surge Validates MAST’s AI Vision

Mast Energy DevelopmentsAnnouncement

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RNS Number : 7551Z  Mast Energy Developments PLC  17 September 2025

Mast Energy Developments PLC

(Incorporated in England and Wales)

(Registration Number: 12886458)

LEI :213800HFVHGJ9YGO9F71

Share code on the LSE: MAST

ISIN: GB00BNG90H86

('MED' or 'the Company')

 

Dated: 17 September 2025

 

MAST Energy Developments PLC

("MED" or the "Company")

 

AI Investment Surge Validates MAST's 1 GW Power AI Campus Vision

 

Application For Block Listing For Prepaid Warrants, and Exercise of Warrants

 

London, UK - Mast Energy Developments PLC (LSE: MAST) is pleased to announce,
further to its previous RNS announcement dated 16 September 2025, that the
Company is encouraged by the recent wave of international investment into UK
AI infrastructure - including Google's £5 billion commitment, BlackRock's
£500 million pledge, and the landmark UK-US tech agreement announced during
President Trump's state visit - and sees these as powerful validation of its
recently launched AI datacentre power supply strategy. These developments
underscore the scale, urgency and economic momentum behind power supply for AI
infrastructure, and reinforce MAST's conviction that its plans to deliver up
to 1 GW of AI datacentre-power campuses over the next 36 months place the
Company at the forefront of this rapidly-expanding market.

 

Key Highlights:

·    MAST have established a clear strategy with an initial growth target
of 1 GW to be a leading provider of power supply to AI datacentres, and
powering the UK's AI revolution (read more here
(https://www.med.energy/insights) );

·    The US president, Donald Trump, begins his official state visit to
the UK this week, which marks a historic and unprecedented second state visit
to the UK by any sitting US president in a single office term to date;

·    The unprecedented second UK state visit underscores the strong ties
and relationship between the US and UK;

·    BlackRock CEO Larry Fink will join OpenAI's Sam Altman and
Blackstone's Stephen Schwarzman as part of the business delegation
accompanying President Trump's state visit to the UK this week;

·    As part of the UK state visit, US tech giants and investment funds,
such as Google, Nivida, OpenAI (owner of ChatGPT), and BlackRock have each
announced plans to invest major capital in UK AI datacentres and associated
infrastructure;

·    External validation of UK AI infrastructure demand. The world's
fourth-biggest company, Google owner Alphabet, has announced a £5 billion
($6.8 billion) investment in UK artificial intelligence ('AI')(1);

·    Institutional commitment. BlackRock plans to invest £500 million
($700 million) in British datacentre infrastructure, one of a string of deals
to be announced during US President Trump's state visit this week(2);

·    Government and geopolitics reinforcing AI strategy. The recent UK-US
tech pact, signed during President Trump's visit, committing $42 billion
(approx. £31 billion) toward AI, quantum, and other high-tech infrastructure,
provides a favourable policy climate and signals sustained governmental
support; and

·    These investments underscore rising demand for UK digital
infrastructure, driven by artificial intelligence and cloud computing.

 

What This Means for MAST:

·    Validates business case: The scale of investments by Google,
BlackRock and others aligns with MAST's projections of rapidly increasing
demand for AI datacentre power supply;

·    Enhances partnership & customer opportunity: These large projects
and investments by hyperscalers and infrastructure investors open doors for
MAST to partner with or supply to major players in this space;

·    Favourable policy & regulatory tailwinds: National and
international momentum behind AI growth and infrastructure reduces execution
risk and improves the regulatory environment; and

·    Investor confidence: The alignment of MAST's strategy with
high-profile investment and governmental initiatives offers greater visibility
of growth opportunity.

 

Reaffirming MAST's Strategy:

·    A pipeline to develop, acquire, construct and operate approximately 1
GW of AI datacentre power campuses in the UK over the next 36 months;

·    Modular delivery in blocks of 25-50 MW enabling flexibility,
scalability, and speed; and

·    Phase 1 targeting ~100 MW of "shovel-ready" sites within 12 months;
Phase 2 building out 300+ MW within 12-36 months.

 

Pieter Krügel, Chief Executive Officer of MAST Energy, said: "We welcome the
strong external signals from giants like Google and BlackRock, and the policy
momentum created by the recent UK-US tech deal. These are not merely
headlines: they confirm what we at MAST have seen on the ground - that power
supply for AI datacentres is moving from opportunity to imperative. With our 1
GW target over 36 months, modular deployment model, and unique capabilities in
delivering reliable power in constrained locations, we believe MAST is
exceptionally well positioned to play a central role in powering the UK's AI
future. We look forward to accelerating execution and delivering value for all
stakeholders."

 

Forward Outlook:

·    Securing further site-specific grid and planning approvals;

·    Advancing commercial discussions with hyperscaler and AI datacentre
developers;

·    Exploring funding partnerships, including domestic and international
investment funds; and

·    Delivering Phase 1 (~100 MW) of shovel-ready power campuses.

 

 

About MAST Energy Developments PLC:

MAST Energy Developments PLC (LSE: MAST) is a UK-based developer, operator and
owner of flexible generation power assets. The Company has deep expertise in
infrastructure planning, grid access, gas access, and efficient power supply.
Its new AI power supply strategy is intended to position MAST as a leading AI
infrastructure platform on the London Stock Exchange.

 

Stay up to date with MED's latest news and updates by joining our emailing
list and social media channels, as follows:

 

MED general enquiries - https://www.med.energy/contact
(https://www.med.energy/contact)

MED email alerts - https://www.med.energy/rnsannoucements-1
(https://www.med.energy/rnsannoucements-1)

MED LinkedIn page
- https://uk.linkedin.com/company/mast-energy-developments-plc
(https://uk.linkedin.com/company/mast-energy-developments-plc)

MED X (formerly Twitter) handle - @mastplc

 

Application for Block Listing & Exercise of Warrants

Capitalised terms used in this part of this announcement have the same meaning
as those given to them in the Company's RNS announcement dated 23 May 2025
unless otherwise defined.

 

The Company announces that it has made an application to the Financial Conduct
Authority ("FCA") and the London Stock Exchange for the block listing (the
"Block Listing") of a total of 116,700,142 ordinary shares at par value of
£0.001 each (the 'Ordinary Shares').

 

The Block Listing application relates to Ordinary Shares to be issued from
time to time pursuant to the exercise of Prepaid Warrants issued pursuant to
the Equity Fundraise announced on 11 July 2025.

 

When issued, these Ordinary Shares will be credited as fully paid and will
rank pari passu in all respects with the existing issued Ordinary Shares of
the Company. It is expected that admission will become effective for the
Ordinary Shares on 18 September 2025.

 

MED has received notice of the exercise and the associated cash proceeds of
Cash Warrants, issued pursuant to the Equity Fundraise announced on 11 July
2025, for a total of 875,000 ordinary shares in the Company of 4 pence per
ordinary share.

 

Application will be made for the admission of the 875,000 new ordinary shares
to trading on the LSE ("Admission") pursuant to the authorities approved by
shareholders at the General Meeting on 8 July 2025. The shares will rank pari
passu with the existing ordinary shares and it is expected that Admission will
become effective at 8.00 a.m. on 18 September 2025.

 

Following Admission of the 875,000 new ordinary shares, the Company's issued
share capital will consist of 24,610,927 ordinary shares with voting rights.
MED does not hold any ordinary shares in treasury. This figure of 24,610,927
may be used by shareholders in the Company as the denominator for the
calculations by which they will determine if they require to notify their
interest in, or a change to their interest in, the share capital of the
Company under the UK Financial Conduct Authority's Disclosure Guidance and
Transparency Rules.

 

Following Admission of the 875,000 new ordinary shares, the beneficial holding
of Paul Venter, non-executive director and chairman of the Company, will
change from 8.25% to 7.96% interest in the issued share capital of the
Company. Further, following Admission, the beneficial holding of Riverfort
Global Opportunities PCC Ltd will change from 7.18% to 6.93%.

 

Forward-Looking Statements:

This RNS announcement contains forward-looking statements. These statements
involve risks and uncertainties that could cause actual results to differ
materially from those expressed or implied. No statement in this announcement
is intended as a profit forecast, and forward-looking statements speak only as
of the date of this announcement. The Company undertakes no obligation to
update such statements except as required by law and regulations.

 

References:

1:         https://www.bbc.co.uk/news/articles/crmek723dz9o
(https://www.bbc.co.uk/news/articles/crmek723dz9o)

2:
https://www.reuters.com/world/uk/blackrock-invest-700-million-uk-data-centres-during-trump-visit-sky-news-reports-2025-09-13/
(https://www.reuters.com/world/uk/blackrock-invest-700-million-uk-data-centres-during-trump-visit-sky-news-reports-2025-09-13/)

 

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.

 

 Pieter Krügel      info@med.energy (mailto:info@med.energy)  Mast Energy           CEO

                                                              Developments PLC
 Guy Wheatley, CFA  +44 (0)74 9398 9014                       Fortified Securities  Corporate Broker

 

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