Nyrstar NV

Declaration of Voting Results & Voting Rights Announcements • Jan 29, 2016

Regulated information

Disclosure of outstanding voting securities

(Article 15 of the Belgian Act of 2 May 2007 on the disclosure of significant shareholdings)

29 January 2016

Nyrstar NV ("Nyrstar" or the "Company") announced today in accordance with Article 15 of the Belgian Act of 2 May 2007 on the disclosure of significant shareholdings in issuers whose securities are admitted to trading on a regulated market and containing various provisions (the "Belgian Act") the following information regarding its outstanding share capital and its outstanding voting securities as at 29 January 2016:

• Total outstanding share capital: € 34,004,508.80
• Total outstanding voting securities: 327,473,863
• Total outstanding voting rights (denominator): 327,473,863
• Total outstanding convertible bonds: 4.25% senior unsecured convertible bonds due 2018 for an aggregate principal amount of € 120 million (the "2018 Convertible Bonds")
• Shares that can still be issued: up to 32,345,013 new shares (each entailing one voting right) can be issued upon the conversion of all of the outstanding 2018 Convertible Bonds at their current conversion price of € 3.71 per share. The conversion price is subject to adjustments.

Pursuant to the Belgian Act and the articles of association of the Company, a notification to the Company and to the Belgian Financial Services and Markets Authority (FSMA) is required by all natural and legal persons in each case where the percentage of voting rights attached to the securities held by such persons in the Company reaches, exceeds or falls below the threshold of 3%, 5%, 7.5%, 10%, 15%, 20% and further multiples of 5%, of the total number of voting rights in the Company.

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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 5,000 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 Greg Morsbach Group Manager Corporate Communications T: +41 44 745 8295 M: +41 79 719 2342 gregory.morsbach@nyrstar.com