Conclusion of an annex to the significant agreement

Legal basis: Article 17(1) of Regulation (EU) No 596/2014 of the European Parliament and of the Council of 16 April 2014 on market abuse (market abuse regulation) and repealing Directive 2003/6/EC of the European Parliament and of the Council and Commission Directives 2003/124/EC, 2003/125/EC and 2004/72/EC

With reference to the current report no 61/2017 of 29th June 2017, the Management Board of Polimex-Mostostal S.A. with the registered office in Warsaw (the “Company”) informs about the conclusion of an annex to the agreement concerning the delivery and assembly of a combined gas and steam unit for the Żerań Power Plant in Warsaw (the “Contract”) between PGNiG TERMIKA S.A. with the registered office in Warsaw (the “Employer”) and Mitsubishi Hitachi Power Systems Europe GmbH with the registered office in in Germany as the consortium leader, Mitsubishi Hitachi Power Systems Ltd. with the registered office in Japan, Mitsubishi Hitachi Power Systems Europe Ltd. with the registered office in London and the Company as the consortium members (jointly referred to as the “Contractor”).

The annex has been concluded in response to the extension of the scope of the Contract which resulted in an increase to the Contract Price (as per the current report no 61/2017 of 29th June 2017) by PLN 29,715,200.00 and EUR 67,700.00. From this amount, the Company’s share is PLN 5,426,300.00. The annex has also extended the deadline for the signature of the protocol for the handover of the unit for operation.

As per the annex, the Contract Price is currently PLN 1,018,831,648.84 (in words: one billion eighteen million eight hundred and thirty-one thousand six hundred and forty-eight zlotys 84/100) and EUR 112,022,030.89 (in words: one hundred and twelve million twenty-two thousand thirty euros 89/100).

The Contractor has committed to finalize the handover protocol of the unit for operation within 37 months from the date of the signature of the Contract.