Nornickel continues working on blocking the groundwater inflow at Oktiabrsky and Taymir mines

Moscow, March 9, 2021 — NornickelPublic Joint Stock Company "Mining and Metallurgical Company "Norilsk Nickel” and its subsidiariesGo to the glossary, the world’s largest producer of palladium and high-grade nickel and a major producer of platinum and copper, continues working on blocking the groundwater inflow at Oktiabrsky and Taymir mines.

“By now, one of the mine workings has been filled with hardening backfill mixture. In the coming week, once the mixture will harden, water valves will be shut and the inflow of groundwater should stop”, said Senior Vice President, Head of Norilsk Division, Nikolay Utkin.

The CompanyPublic Joint Stock Company "Mining and Metallurgical Company "Norilsk Nickel"Go to the glossary is planning to consider the recovery schedule of the two mines once the current initiatives are completed by March 16th.

The Norilsk Concentrator is currently fully idled and undergoing necessary repairs. Nornickel is planning to restore the disseminated ore processing circuit at the concentrator by upgrading the loading and processing flow by March 16th. The facility is currently being inspected by Federal Service for Environmental, Technological, and Nuclear Supervision (Rostekhnadzor) and the Company’s internal technical auditors. The timing of the relaunch of the concentrator will be decided upon completion of these two inspections.

While the Norilsk Concentrator remains idled, ore mining operations at Zapolyarny mine, South Cluster project, are ongoing.

This announcement contains inside information in accordance with Article 7 of EU Regulation 596/2014 of 16 April 2014.

Full name and position of person making the announcement — Vladimir Zhukov, Vice — president, Investor Relations

ABOUT THE COMPANY
MMCMining and Metallurgical CompanyGo to the glossary Norilsk Nickel is a diversified mining and metallurgical company, the world’s largest producer of palladium and high-grade nickel and a major producer of platinum and copper. The company also produces cobalt, rhodium, silver, gold, iridium, ruthenium, selenium, tellurium, sulphur and other products.

The production units of Norilsk Nickel GroupPublic Joint Stock Company "Mining and Metallurgical Company "Norilsk Nickel” and its subsidiariesGo to the glossary are located at the Norilsk Industrial District, on the Kola Peninsula and Zabaykalsky Krai in Russia as well as in Finland and South Africa.

MMC Norilsk Nickel shares are listed on the Moscow and on the Saint-Petersburg Stock Exchanges, ADRAmerican Depositary Receipt; a security representing partial ownership in deposited securities of a foreign company certified by receipts issued by a US depositary bankGo to the glossarys are traded over the counter in the US and on the London, Berlin and Frankfurt Stock Exchanges.

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