Nyrstar NV

Capital/Financing Update • May 30, 2018

Regulated Information - Inside Information

Nyrstar announces funding of zinc metal prepay financing

30 May 2018 at 20.00 CEST

Nyrstar NV ("Nyrstar" or the "Company") announces that it has refinanced the 3 year zinc metal prepay that was originally entered into in December 2015 with a remaining balance of USD 61.7 million with a new zinc metal prepay for USD 125 million. The net cash benefit for Nyrstar from the new zinc prepay agreement is approximately USD 63 million.

As per the previous agreement, the prepay agreement was arranged by Deutsche Bank and is linked to the physical delivery of refined zinc metal to Trafigura under the terms of a 3-year offtake agreement. The zinc metal prepay has an amortising structure with a 3-year tenure and a 12 month grace period following which the facility will be repaid in equal monthly instalments over a period of two years concluding in May 2021. The interest cost for the prepay funding is LIBOR plus 425 basis points versus the previous agreement that was at LIBOR plus 450 basis points.

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