Report 14/2026 - Information from the Company's Management Board at the request of the Company's majority shareholder

The Management Board of Mostostal Warszawa S.A. with its registered office in Warsaw ("Company"), in reference to current report No. 12/2026 dated April 10, 2026, after receiving a request for information from Acciona Construcción S.A. - Acciona Construcción Polonia S.L. (the controlling entity of the Company - 62.13% of the total number of votes at the General Meeting), hereby informs that:

(i) the anticipated capital needs of the Company resulting from the forecasted financial effects of contract withdrawals in recent months and in light of the estimated financial results disclosed in current report No. 7/2026 dated March 30, 2026 ("Report") amount to between PLN 425 million and PLN 570 million. The final amount is currently under analysis and may change depending on the final impact of the aforementioned events.

(ii) with regard to the planned sources of financing the aforementioned capital needs, the Management Board of the Company is making every effort and taking actions to obtain new debt financing from financial institutions. Due to difficulties in obtaining it, the Management Board is currently considering the possibility of increasing the share capital and has begun analyzing available options, however, as of the date of publication of this report, no binding decisions regarding the choice of a specific instrument or transaction structure have been made.

The Company will inform about the subsequent stages of the process and the choice of a specific financing method in accordance with applicable law.

Furthermore, the Management Board informs that the General Meeting including on its agenda a vote on a resolution regarding the further existence of the Company in the understanding of Article 397 of the Commercial Companies Code, will be convened immediately after the publication of the audited financial statements of the Company for the year 2025, in such a manner as to enable all shareholders to comprehensively analyze the materials and financial statements provided by the Company prior to this General Meeting.