Current Report No. 21/2025 – ESPI – Sale of a Minority Stake in a Subsidiary

The Management Board of R.Power S.A. (the “Issuer”) hereby informs that today a minority stake (representing 49.9% of the share capital) in a Romanian subsidiary (the “Subsidiary”), holding the rights to an energy storage facility with a capacity of 127 MW / 254 MWh, with connection conditions to a 400 kV high-voltage grid (the “Energy Storage Facility”), has been transferred. The transfer of the shares was carried out under a conditional share purchase agreement, as disclosed by the Issuer in Current Report No. 12/2025 dated 24 June 2025.

The purpose of the transaction is to co-finance the construction of the Energy Storage Facility by the Subsidiary, following the receipt of all necessary permits. The expected completion date for the construction of the Energy Storage Facility is Q4 2026. As part of the transaction, the shareholders of the Subsidiary have also provided for an option to develop a photovoltaic installation as a project complementary to the Energy Storage Facility.

The sale price of the shares does not exceed 10% of the Issuer’s equity and was determined on an arm’s length basis. This transaction is consistent with the Issuer Group’s strategy, which assumes the diversification of financing methods for the development of renewable energy projects.

Legal basis: Article 17(1) of MAR – inside information