On 29 September 2017, Fitch Ratings affirmed long-term Issuer Default Rating (IDR) of TGC-1 in foreign and national currency at 'ВВ+' level, Outlook Stable, and short-term Issuer Default Rating in foreign and national currency at 'В' level.

On September 21, 2017, Standard & Poor’s Global Ratings revised TGC-1 outlook to ‘Positive’ from ‘Stable’ thanks to the improvement of the Company's performance indicators. Meanwhile, the Company's long-term and short-term corporate credit ratings were confirmed at ‘ВВ+/В’ levels correspondingly.

TGC-1 releases unaudited interim consolidated Financial Statements for the 6 months period, ended June 30, 2017 prepared in accordance with International Financial Reporting Standards (IFRS).

Electricity output of TGC-1, including PJSC Murmanskaya CHPP, for 6 month of 2017 comprised 14,512.6 million kWh, which is 1.5% less than in the respective period of 2016.

TGC-1 published its 6 months 2017 financial statements under the Russian Accounting Standards (RAS).

The decision to withdraw the national scale ratings will not affect the global (international) credit ratings affirmed by the agency.

TGC-1 releases unaudited interim consolidated Financial Statements for the 3 months period, ended March 31, 2017 prepared in accordance with International Financial Reporting Standards (IFRS).

TGC-1 published its 3 months 2017 financial statements under the Russian Accounting Standards (RAS).

Electricity output of TGC-1, including PJSC Murmanskaya CHPP, for Q1 2017 comprised 7,564.0 million kWh, which is 5.5% less than for the same period of 2016.

TGC-1 releases unaudited interim consolidated Financial Statements for the 12 months period, ended December 31, 2016 prepared in accordance with International Financial Reporting Standards (IFRS).