Nyrstar NV

Regulatory Filings • Sep 28, 2017

Regulated Information – Inside Information

Nyrstar commences hot commissioning of the Port Pirie Redevelopment

28 September 2017 at 19.00 CEST

Nyrstar NV ("Nyrstar" or the "Company") today confirms that it has achieved a significant milestone on its Port Pirie Redevelopment with the commencement of hot commissioning in-line with the guidance issued by the Company on 9 February 2017. The expected project cost to complete the redevelopment is also reaffirmed as approximately AUD 660 million.

Commenting on the successful commencement of hot commissioning at the Port Pirie Redevelopment, Hilmar Rode, Chief Executive Officer said:

"In February 2017, we announced the findings of our comprehensive review of the Port Pirie Redevelopment project to ensure that the scope, flow sheet and commissioning will provide Port Pirie with industry leading performance. Our review confirmed that the Port Pirie Redevelopment is absolutely the right strategy for the Company and will have a significant positive long-term effect on Nyrstar's operations and deliver a substantial earnings uplift. The successful commencement of hot commissioning at the Port Pirie Redevelopment is in-line with the guidance we provided in February 2017 and represents a significant milestone in the delivery of this important project."

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 4,300 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