Nexa Resources S.A. announced that its Board of Directors has approved the appointment of Rodrigo Menck to succeed Mario Bertoncini as Nexa's Senior Vice-President of Finance and CFO starting March 1, 2019. Mr. Bertoncini is leaving the Company to assume a new leadership role at CESP - Companhia Energética de São Paulo. Mr. Bertoncini has served as Senior Vice President of Finance and CFO since 2014.

An executive with more than 20 years of experience in Treasury, Structured Finance and Capital Markets, Mr. Menck worked for more than ten years in banks such as BankBoston, Itau, WestLB, Citi and BNP Paribas, before joining Braskem both as Structured Finance Manager and Finance & Shared Services Director. He joined Nexa in 2016 as Head of Treasury & Investor Relations, where he led teams fundraising in capital markets and carried out other responsibilities as well as being directly involved in the Company's initial public offering. His previous position at Nexa was Head of M&A.