FORM 6-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Report of Foreign Issuer
September 12, 2017

Pursuant to Rule 13a-16 or 15d-16 of
the Securities Exchange Act of 1934

Commission file number: 333-12032

Mobile TeleSystems PJSC

(Exact name of Registrant as specified in its charter)

Russian Federation

(Jurisdiction of incorporation or organization)

4, Marksistskaya Street
Moscow 109147
Russian Federation

(Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover Form 20-F or Form 40-F.

Form 20-F x Form 40-F o

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934.

Yes o No x

S&P Changed Outlook on MTS

September 12, 2017

Moscow, Russian Federation — Mobile TeleSystems PJSC (“MTS” — NYSE: MBT; MOEX: MTSS), the leading telecommunications provider in Russia and the CIS, announces that the credit rating agency Standard & Poor’s changed its outlook on MTS.

On September 11, 2017, Standard & Poor’s placed MTS on Rating Watch Negative; ‘BB+’ rating affirmed. The changes in MTS outlook was the result of the downgrade in the credit ratings of Sistema PJSFC, the Company’s major shareholder.

Please refer to www.standardandpoors.com for additional information.

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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

Learn more about MTS. Visit the official blog of the Investor Relations Department at www.mtsgsm.com/blog/

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Mobile TeleSystems PJSC (“MTS” - NYSE:MBT; MOEX:MTSS), the leading telecommunications group in Russia and the CIS, provides a range of mobile and fixed-line communications services. We serve over 100 million mobile subscribers in Russia, Ukraine, Armenia, Turkmenistan, and Belarus, and about 9 million customers of fixed-line services, including fixed voice, broadband internet, and pay-TV. To keep pace with evolving customer demand, MTS is redefining what telecommunications services are by offering innovative products beyond its core network-related businesses in various tech segments, including Big Data, financial and banking services, internet of things, OTT, cloud computing, systems integration and e-commerce. We leverage our market-leading retail network as a platform for customer services and sales of devices and accessories. For more information, please visit: www.mtsgsm.com.

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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 MTS, as defined in the safe harbor provisions of the U.S. Private Securities Litigation Reform Act of 1995. You can identify forward looking statements by terms such as “expect,” “believe,” “anticipate,” “estimate,” “intend,” “will,” “could,” “may” or “might,” and 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 undertake or intend to update these statements to reflect events and circumstances occurring after the date hereof or to reflect the occurrence of unanticipated events. We refer you to the documents MTS files from time to time with the U.S. Securities and Exchange Commission, specifically the Company’s most recent Form 20-F. These documents contain and identify important factors, including those contained in the section captioned “Risk Factors” that could cause the actual results to differ materially from those contained in our projections or forward-looking statements, including, among others, the severity and duration of current economic and financial conditions, including volatility in interest and exchange rates, commodity and equity prices and the value of financial assets; the impact of Russian, U.S. and other foreign government programs to restore liquidity and stimulate national and global economies, our ability to maintain our current credit rating and the impact on our funding costs and competitive position if we do not do so, strategic actions, including acquisitions and dispositions and our success in integrating acquired businesses, potential fluctuations in quarterly results, our competitive environment, dependence on new service development and tariff structures, rapid technological and market change, acquisition strategy, risks associated with telecommunications

SIGNATURES

Pursuant to the requirements of the Securities Exchange Act of 1934, the registrant has duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	MOBILE TELESYSTEMS PJSC


	By:	/s/ Andrei Dubovskov
		Name:	Andrei Dubovskov
		Title:	CEO

Date: September 12, 2017