 Nexa Resources S.A. Nexa Resources or Nexa or the Company NYSE and TSX Symbol: NEXA is pleased to announce the results of a Preliminary Economic Assessment PEA for its Hilarión Project Hilarión or Hilarión Project or Project, a potential underground mine located in Peru. A technical report summarizing the PEA entitled Technical Report on the Hilarión Project, Department of Ancash, Peru dated February 14, 2020, with an effective date of December 31, 2019 the Technical Report was filed on SEDAR today. 