Notification of increase in ownership in the authorized share capital of

OJSC Tomsk Trunk Grids

Moscow, 26 June 2018 - Federal Grid Company of Unified Energy System ("Federal Grid Company" or "the Company"; Moscow Exchange, LSE: FEES), part of PJSC ROSSETI Group of Companies, and the operator of the Unified National Electricity Grid ("UNEG"), on 25 June 2018 increased Its stake in Open Joint Stock Company Tomsk Trunk Grids from 77.9% (ownership of ordinary voting stock amounts to 85.52%) to 83.56% (ownership of ordinary voting stock amounts to 96.18%);

The transfer of the voting shares in the aforementioned companies to the Federal Grid Company's custodian account in the depositary took place on 25 June 2018.

For more information, please contact:

Federal Grid Company

Egor Toropov

8 800 200 1881 (ext. 2275)

Alexei Novikov

8 800 200 1881 (ext. 2143)

ЕМ

Office:

Mobile:

Tom Blackwell

+7 495 363 2841

+7 919 102 9064

Thomas Kiehn

+1 646 384 3361

+1 646 384 3361

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FSK EES JSC published this content on 26 June 2018 and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on 26 June 2018 15:57:06 UTC