Moscow, Russian Federation — MTS PJSC (“MTS” or the “Company” – NYSE: MBT; MOEX: MTSS), the leading telecommunications provider in Russia and the CIS, notes that Sistema PJSFC (LSE: SSA, MOEX: AFKS), the parent company of MTS with effective ownership stake in MTS of 50.004%, received a legal claim filed by Rosneft PJSC and Bashneft PJSOC against Sistema PJSFC and its subsidiary Sistema-Invest JSC for the recovery of damages in the amount of RUB 131,639,012,421.

Sistema PJSFC also reported that the Republic of Bashkortostan Arbitration Court placed certain assets belonging to Sistema (or the corporation) under arrest. For further information, please see Sistema's release on the issue https://www.sistema.com/press/press-releases/detail/article/23045/

The claim neither impedes the operational activities of MTS nor impacts the Company's existing debt instruments.

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For further information, please contact in Moscow:

Joshua B. Tulgan
Director, Department of Corporate Finance and Investor Relations
Mobile TeleSystems PJSC
Tel: +7 495 223 2025
E-mail: ir@mts.ru