Total Voting Rights.

CWR.L

31 July 2025

Ceres Power Holdings plc

("Ceres Power" or "the Company")

Total Voting Rights

Horsham, UK: Ceres Power Holdings plc (CWR.L), a leading developer of clean energy technology, confirms that as at 31 July 2025, the Company had 193,812,250 Ordinary Shares in issue, with one voting right each.

The Company does not hold any shares in treasury.  The number of Ordinary Shares with voting rights is therefore 193,812,250.

Accordingly, these figures may be used by shareholders as a denominator for the calculations by which they will determine if they are required to notify their interest in, or change to their interest in, the Company, under the Disclosure Guidance and Transparency Rules.

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

About Ceres

Ceres is a leading developer of clean energy technology: fuel cells for power generation and electrolysers for the production of 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 and Thermax. Ceres' solid oxide technology supports greater electrification of our energy systems and produces green hydrogen at high efficiencies as a route to decarbonise emissions-intensive industries such as steelmaking, ammonia and future fuels. 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.