SIMEC Atlantis Energy Limited

Director's Dealing • Sep 30, 2025

National Storage Mechanism | Additional information

RNS Number : 4210B

Ampeak Energy Limited

30 September 2025

30 September 2025

AMPEAK ENERGY LIMITED

("Ampeak Energy" or the "Company")

Director Dealings

Ampeak Energy has been notified of the following purchases of ordinary shares of no par value in the Company ("Ordinary Shares") by a Director of the Company.

Name	Position	Number of Shares Purchased	Price	Resultant Holding	% of Issued Share Capital
Duncan Black	Chairman	750,000	2.2800p	5,664,370	0.78%

The notifications below, made in accordance with the requirements of the EU Market Abuse Regulation, provides further detail in respect of the transaction as described above.

1	Details of the person discharging managerial responsibilities / person closely associated
a)	Name	Duncan Black
2	Reason for the notification
a)	Position/status	Chairman
b)	Initial notification /Amendment	Initial notification
3	Details of the issuer, emission allowance market participant, auction platform, auctioneer or auction monitor
a)	Name	Ampeak Energy Limited
b)	LEI	21380056V967FGHNU187
4	Details of the transaction(s): section to be repeated for (i) each type of instrument; (ii) each type of transaction; (iii) each date; and (iv) each place where transactions have been conducted
a)	Description of the financial instrument, type of instrument	Ordinary shares of no par value
Identification code	SG9999011118
b)	Nature of the transaction	Market purchase
c)	Price(s) and volume(s)
			Price(s)	Volume(s)
		1	2.2800p	750,000
d)	Aggregated information
- Aggregated volume	750,000
- Price	2.2800p
e)	Date of the transaction	26 September 2025
f)	Place of the transaction	London Stock Exchange (XLON)

For further information, please contact:

Ampeak Energy Sean Parsons, Director of External Affairs	+44 (0)7739 832 446
Strand Hanson Limited (Nominated and Financial Adviser) Richard Johnson Rory Murphy David Asquith	+44 (0)20 7409 3494
Zeus Capital Limited (Broker) Louisa Waddell Simon Johnson	+44 (0)20 3829 5000

Notes to Editors

Ampeak Energy is a global developer, owner and operator of sustainable energy projects. Ampeak Energy owns the world's flagship tidal stream project, MeyGen, and the Uskmouth Power Station site, which is being repurposed into a sustainable energy park that will become one of the UK's largest battery energy storage sites. www.ampeak.energy

Ampeak Energy's strategy: "Building a Sustainable Future to 2035", can be viewed here

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