The Management Board of Mostostal Warszawa S.A. (“Company”) informs that today, the Company signed an agreement with Mennica Polska S.A. for performance of construction work as part of an investment task under the name: construction of a multi-family residential building with service functions and underground garage, area management, entry to the real property and the necessary technical infrastructure, including municipal transformer stations, located in the area of plots with Nos. 110/1, 110/3, 110/4 within area 6-01-06, constructions of exits on fragments of road lanes of ul. Pereca, plot No. 10/1 within area 6-01-06 and construction of the necessary technical infrastructure on plots with No. 6, 10/1 within area 6-01-06 at ul. Waliców 11 in Warsaw, along with disassembly of a part of the Aurum office building located on plot with No. 110/3 within area 6-01-06 at ul. Waliców 11 in Warsaw.

Completion deadline of the agreement: 31 May 2019.

The value of the agreement amounts to: PLN 103.150 million net + VAT.

Payment deadline: 30 days from invoice receipt.

Guarantee period:

- 6 years for the investment task in total, encompassing, in particular, construction work and additional work, including finishing work;

- a minimum of 24 months for equipment and machines or for a longer period of time resulting from a guarantee indicated by the manufacturer of the equipment.

Performance bond for the contract: bank performance bond for the total amount of 10% of the net contract value.

The Management Board of Mostostal Warszawa S.A. (the “Company”) in reference to current report No. 52/2017 of 19 September 2017 and current report No. 59/2017 of 9 October 2017 informs that the Extraordinary General Shareholders’ Meeting of the Company as of this day made changes in the composition of the Supervisory Board of Mostostal Warszawa S.A. serving its’ 9^th term .

The Extraordinary General Shareholders’ Meeting of Mostostal Warszawa S.A. dismissed Mr. Raimundo Fernández-Cuesta Laborde from the Supervisory Board serving its’ 9^th term. Simultaneously, the Extraordinary General Shareholders’ Meeting appointed Mr. Javier Lapastora Turpín as a member of the Supervisory Board serving its’ 9th term.

The biography of the newly-appointed member of the Supervisory Board forms an attachment hereto.

In line with the declaration, Mr. Javier Lapastora Turpín does not conduct competitive activity with respect to the activity pursued by the Issuer and does not participate in a company competitive with respect to Mostostal Warszawa S.A. as a member of a civil partnership, a partnership or a member of governing bodies of a capital company, does not participate in another competitive legal person as a member of its’ bodies and is not listed in the Register of Insolvent Debtors maintained on the basis of the Act on the National Court Register.

In effect of the above changes, the composition of the Supervisory Board of the Company in its’ 9th term is as follows:

1. Francisco Adalberto Claudio Vázquez: Chairman of the Supervisory Board;

2. José Manuel Terceiro Mateos: Deputy Chairman of the Supervisory Board;

3. Javier Lapastora Turpín: Member of the Supervisory Board;

4. Neil Balfour: Member of the Supervisory Board;

5. Arturo Cortés de la Cruz: Member of the Supervisory Board;

6. Ernest Podgórski: Member of the Supervisory Board.