Holding(s) in Company

Ceres Power Holdings plc

19 October 2026

 

CWR.L

Ceres Power Holdings plc

("Ceres Power" or "the Company")

TR-1: Standard form for notification of major holdings

1. Issuer Details

ISIN

GB00BG5KQW09

Issuer Name

CERES POWER HOLDINGS PLC

UK or Non-UK Issuer

UK

2. Reason for Notification

An acquisition or disposal of financial instruments

3. Details of person subject to the notification obligation

Name

Barclays PLC

City of registered office (if applicable)

London

Country of registered office (if applicable)

United Kingdom

4. Details of the shareholder

Name	City of registered office	Country of registered office
Barclays Capital Securities Ltd	London	United Kingdom

5. Date on which the threshold was crossed or reached

14-Oct-2026

6. Date on which Issuer notified

16-Oct-2026

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
Resulting situation on the date on which threshold was crossed or reached	0.570000	4.800000	5.370000	11483842
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 shares ISIN code(if possible)	Number of direct voting rights (DTR5.1)	Number of indirect voting rights (DTR5.2.1)	% of direct voting rights (DTR5.1)	% of indirect voting rights (DTR5.2.1)
GB00BG5KQW09		1214967		0.570000
Sub Total 8.A	1214967		0.570000%

8B1. 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
Right To Recall	NA	NA	37744	0.020000
Sub Total 8.B1			37744	0.020000%

8B2. 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
CFD	NA	NA	Cash	798861	0.370000
Portfolio Swap	21/12/2026-14/08/2028	NA	Cash	9170678	4.290000
Equity Swap	21/09/2028-16/10/2028	NA	Cash	261592	0.120000
Sub Total 8.B2				10231131	4.780000%

9. Information in relation to the person subject to the notification obligation

2. 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 entities (please add additional rows as necessary)

Ultimate controlling person	Name of controlled undertaking	% 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
Barclays PLC	Barclays Capital Securities Limited		4.800000	5.370000%

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

If date does not apply, explain below

11. Additional Information

Full chain of controlled undertaking:

Barclays PLC
Barclays Bank PLC (100%)
Barclays Capital Securities Limited (100%)

Trading book exemption no longer applies

12. Date of Completion

16-Oct-2026

13. Place Of Completion

London

For further information visit www.ceres.tech or contact:

Ceres Power Holdings plc Merryl Black (Head of Investor Relations and Sustainability)		Email: [e-mail]
Ceres Power Holdings plc Dominic Murray (Company Secretary)		Tel: [phone]

About Ceres

Ceres is a leading developer of clean energy technology: fuel cells for power generation and electrolysers for green hydrogen. Its asset-light, licensing model has seen it establish partnerships with some of the world's largest companies, such as Doosan, Delta, Denso, Shell, Weichai, Centrica and Thermax. Ceres' solid oxide technology supports greater electrification of our energy systems, including AI data centres, commercial and industrial applications, and produces green hydrogen at high efficiencies as a route to decarbonise emissions-intensive industries such as ammonia, steelmaking, and electrofuels. Ceres is listed on the London Stock Exchange ("LSE") (LSE: CWR) and is classified by the LSE Green Economy Mark, which recognises listed companies that derive more than 50% of their activity from the green economy. Read more on our website www.ceres.tech or follow us on LinkedIn.

 

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