Nyrstar NV

Regulatory Filings • Jan 22, 2019

Regulated Information – Inside Information

Nyrstar cyber attack

22 January 2019 at 19.15 CET

Nyrstar NV ("Nyrstar" or the "Company") advises that it has today been subject to a cyber-attack. Certain IT systems, including email, are currently down across Nyrstar' headquarters in Zurich, Switzerland and globally at the Metals Processing and Mining operations.

The cyber-attack issue has been contained and Nyrstar is currently working on a technical recovery plan with key ITpartners and global cyber security agencies. A number of Nyrstar's IT systems, including email correspondence, have been shut down to help contain the issue. At the current time, Nyrstar's Metals Processing and Mining operations are not operationally impacted by the cyber-attack issue. Nyrstar has taken precautionary measures to ensure the continued operations of its sites.

Nyrstar is continuing to assess and manage the cyber-attack issue to minimise the impact on its operations, customers and key stakeholders from the current situation. Nyrstar's business continuity plans are being implemented to minimise the impact on the business.

The Company will provide further information regarding the resolution of the cyber-attack in due course.

About Nyrstar

Nyrstar is a global multi-metals business, with a market leading position in zinc and lead, and growing positions in other base and precious metals, which are essential resources that are fuelling the rapid urbanisation and industrialisation of our changing world. Nyrstar has mining, smelting and other operations located in Europe, the Americas and Australia and employs approximately 4,100 people. Nyrstar is incorporated in Belgium and has its corporate office in Switzerland. Nyrstar is listed on Euronext Brussels under the symbol NYR. For further information please visit the Nyrstar website: www.nyrstar.com.

For further information contact:

Anthony Simms - Group Manager Investor Relations T: +41 44 745 8157 M: +41 79 722 2152 anthony.simms@nyrstar.com Franziska Morroni - Group Manager Corporate Communications T: +41 44 745 8295 M: +41 79 719 2342 franziska.morroni@nyrstar.com