Nexa Resources S.A. announced that Mr. Agustin de Aliaga Fernandini, Mr. Claudio Ermirio de Moraes, and Mr. David Robert Davies have presented their resignations to the board of directors of the Company at a Board meeting held on December 14, 2017, and that Ms. Daniella Elena Dimitrov, Mr. Edward Ruiz and Ms. Jane Sadowsky will be appointed as new members of the Board. The mandates of the new members will be effective as of January 1, 2018. Ms. Dimitrov is currently a partner at Sprott Capital Partners, prior to Deloitte, Edward Ruiz held executive positions in internal audit at JP Morgan and PepsiCo. Ms. Jane Sadowsky retired from Evercore Partners as a Senior Managing Director and Head of the Power & Utility Group in 2011, after more than 22 years as an investment banker. Currently, Ms. Sadowsky serves on the Board and the Audit and Governance committees of Yamana Gold.