Management Board of Mostostal Warszawa S.A. ("Company") in reference to current reports 56/2019, 60/2019, 64/2019, 5/2020, 6/2020, 9/2020, 13/2020 and 23/2020 informs that on 10 June 2020 the Company obtained the following information concerning the agreement for the construction of a 910 MW power unit ("Unit") for supercritical parameters in Jaworzno III Power Plant - Power Plant II - with respect to the steam boiler, turbine set, main building, electrical part and Control and Measurement Instruments and Automation Unit ("Agreement"):

1. Rafako S.A. ("Rafako" or "Leader") being the leader of the consortium (99.99% stake in the consortium) in which the Company is a partner (0.01% stake in the consortium) ("Consortium") has informed the Company, the Leader and Nowe Jaworzno Grupa TAURON Sp. z o.o. ("Employer") on 10 June 2020 concluded Annex 8 to the Agreement on implementation of the intentions expressed in the Agreement of 4 May 2020 (Current Report 23/2020) and establishing the rules for further performance of the Agreement in order to bring about the successful and earliest possible commissioning of the Block  by the Leader.

2. The new implementation schedule was introduced to the Agreement by Annex no. 8, confirming the date of taking over the unit for exploitation as of 15 November 2020. The new schedule is already being implemented by the Leader.