Acciona Mostostal Warszawa is part of the Acciona Capital Group.

Report 5/2021 Signing of Annexes to Loan Agreements with Acciona Construcción S.A.

25 February 2021

The Management Board of Mostostal Warszawa S.A. ("Company") informs that on 25 February 2021, the Company received relevant documents to the Loan Agreements with Acciona Construcción S.A. ("Acciona" parent entity of the Company - 62.13% of the total number of votes at the General Meeting):

• Annex No. XVII to the Loan Agreement dated 27 May 2013 (Current Report 29/2013) with Acciona. Pursuant to the Annex Acciona, the Company extends the repayment date of the loan in the amount of EUR 13.49 million (including the main amount and capitalized interest, which is the equivalent of PLN 60.92 million according to the average exchange rate of the National Bank of Poland from 25 February 2021 in the amount of EUR 1 = 4, PLN 5143) plus interest until 1 May 2022. The loan may also be repaid in a shorter period.

• Annex No. VIII to the Loan Agreement dated 5 December 2012 (Current Report 53/2012) with Acciona. Pursuant to the Annex, Acciona extends the repayment date of the loan in the amount of EUR 14.71 million (including the main amount and capitalized interest, which is the equivalent of PLN 66.43 million) plus interest until May 1, 2022. The loan may also be repaid in a shorter period.