Change of estimated selected financial data for the first half of 2018.

With reference to the current report number 19/2018 published on July 26, 2018, The Management Board of PGE Polska Grupa Energetyczna S.A. ("PGE") publishes preliminary selected consolidated financial data for the first half of 2018.

The change of estimated financial results is due to change of accounting method of CO2 emission cost during the reporting period.

Estimated EBITDA of PGE Group in the first half of 2018 is higher by PLN 98 million, compared to previously released estimates, and net profit to equity is higher by PLN 79 million.

Consolidated EBITDA in the first half of 2018 amounted to approximately PLN 3,675 million; including:

EBITDA of Conventional Generation segment (including Heating) PLN 1,839 million,

EBITDA of Distribution segment PLN 1,270 million,

EBITDA of Supply segment PLN 302 million,

EBITDA of Renewables segment PLN 222 million.

Consolidated net profit attributable to equity holders of the parent company amounted to approximately PLN 1,281 million (i.e. earnings per share of PLN 0.69). Semiannual CAPEX amounted to PLN 2,251 million. Estimated net debt as at June 30, 2018 was PLN 8,211 million.

Disclaimer: Presented values are estimated and may change. Consolidated financial statements of the PGE Group are still in the process of preparations. The consolidated report for the first half of 2018 will be published on August 7, 2018.