S&P Global Ratings raised Rosseti rating

PJSC ROSSETI

Standard & Poor's Global Ratings raised Rosseti's rating to 'BBB-' with stable outlook

02 March 2018. Moscow, Russia. PJSC ROSSETI (LSE: RSTI) (the "Company"), the largest electricity transmission and distribution grid company in Russia, announces that Standard & Poor's Global Ratings Services raised long-term corporate credit rating on PJSC ROSSETI by one notch to 'BBB-' (outlook stable). The action was taken on February 27, 2018, following an upgrade of Russia's sovereign rating by one notch to "BBB-/A-3" (outlook stable) on February 23, 2018 on prudent policy and improved monetary transmission.

Following this rating action, PJSC ROSSETI rating is investment grade. This proves high level of financial stability of the Company and its strategic role for the industry and the country.

The full report is available on Standard & Poor's website at: www.standardandpoors.com

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For further information:

PJSC ROSSETI

Maria Stepanova, Head of IR +7(495) 995 5333 (ext. 3961)

Yulia Martynova, IR +7(495) 995 5333 (ext. 3834)

Horizon

Maria Novokreschenova +7 (495) 225 0335

Yaroslav Gryaznov +7 (495) 225 0335 (ext. 124)

PJSC ROSSETI is the largest electricity transmission and distribution grid the Company in Russia. It is also one of the largest electricity transmission and distribution grid companies in the world by length of electricity lines and installed transformer capacity. PJSC ROSSETI holds interests in and manages 15 grid companies in Russia. The The Company together with its subsidiaries owns and operates 2.31 million kilometers of electricity transmission and distribution lines with a total installed transformer capacity of 773 GVA. The The Company operates in 78 regions of Russia.

Some of the information in this press release may contain projections or other forward-looking statements regarding future events or the future financial performance of PJSC Rosseti. You can identify forward looking statements by terms such as "expect," "believe," "anticipate," "estimate," "intend," "will," "could," "may" or "might" the negative of such terms or other similar expressions. We wish to caution you that these statements are only predictions and that actual events or results may differ materially. We do not intend to update these statements to reflect events and circumstances occurring after the date hereof or to reflect the occurrence of unanticipated events. Many factors could cause the actual results to differ materially from those contained in our projections or forward-looking statements, including, among others, general economic conditions, our competitive environment, risks associated with operating in Russia, rapid technological and market change in our industry, as well as many other risks specifically related to PJSC Rosseti and its operations.