Enea S.A.

Report Publication Announcement • Dec 15, 2025

Report Content Current Report No.: 42/2025

Date of Preparation: 15 December 2025

Issuer's Abbreviated Name: Enea S.A.

Subject: Information on the preliminary outcome of the capacity marketauction for 2030 announced by PSE

Legal Basis: Article 17(1) of the Market Abuse Regulation - insideinformation

Body of the report:

With reference to Current Report No. 41/2025, the Management Board ofEnea S.A. ("Company", "Issuer") hereby reports that on 15 December 2025the Company obtained information about the preliminary outcome of theprimary capacity market auction for 2030, as announced by Polskie SieciElektroenergetyczne S.A., including the capacity auction closing priceof PLN 465.02 per kW per year.

Accordingly, the Company estimates that the Enea Group's revenue fromthe capacity market may amount to an annual average of approximately PLN427 million for existing units (with 1-year and multi-year capacitycontracts) and the contracted 661 MW. More than 600 contracted MW refersto units No. 5, 7 and 9 in Elektrownia Polaniec, including: units No. 5and 7 under five-year contracts, and unit No. 9 under a seven-yearcontract.

In turn, the total estimated revenue of the Enea Group for 2030 from thecapacity market, taking into account its previously contracted capacityobligations, will amount to approximately PLN 1,728 million.

These capacity obligations may not be treated as the final outcome ofthe capacity auction. The final outcome of the capacity auction will beannounced by the President of the Energy Regulatory Office in theauthority's Public Information Bulletin on the business day immediatelyfollowing the 21st day after the completion of the capacity auction.Until then, all contracts for the sale of capacity obligations remainconditional.

At the same time, please be advised that if the final outcome of thecapacity auction turns out to be significantly different from thepreliminary outcome presented above, the Company will provide an updatein the form of another current report.