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. ("Company") having received relevant documents today reports that on 31 January 2018 the Company signed an annex to the Agreement on Guarantee Facility ("Agreement") with Credit Agricole Bank Polska. The Company informed about the conclusion of Agreement with Credit Agricole Bank Polska in press release of 17 December 2015.

As part of an annex to the Agreement, the following changes have been introduced:

• period of availability of bank guarantees is binding until 30 December 2018;

• the maximum deadline of validity of bank guarantee is:

- 30 June 2019 for tender guarantees;

- 31 December 2023 for guarantee for return of advance payment;

- 31 December 2018 for performance bond and guarantee for removal of defects.

The remaining terms of the agreement do not differ from commonly applied terms for agreements of this type.