Mario Antonio Bertoncini

Itaú Unibanco SA is the asset management subsidiary of Itaú Unibanco Holding SA (BVMF: ITUB4; NYSE: ITUB) in Brazil. The firm was created as Banco Itaú SA when Unibanco and Itaú merged. Headquartered in Sao Paulo, Itaú Unibanco provides a full line of banking services to individual, institutional and corporate clients.

CESP - Companhia Energética de São Paulo engages in the generation, sale, and commercialization of electricity. The firm operates hydroelectric power plants with generating units located in the basins of Paraná River and Paraíba do Sul River. It sells its energy in the regulated contracting market, free contracting market, and electric energy trading board. The company was founded on December 5, 1966 and is headquartered in Pedreira, Brazil.

Banco Itaú BBA SA provides corporate and investment bank services. Its solutions include corporate, investments, institutional treasury, and public offers. The company was founded on July 28, 1967 and is headquartered in Sao Paulo, Brazil.

Nexa Resources Cajamarquilla SA is a mining company. It is engaged in mining, processing, and exporting zinc and its products. The company was founded on February 1, 1995 and is headquartered in Lima, Peru.

Votorantim SA is a holding company with interests in steel, cement, mining and metallurgy, and pulp production. It operates through the following segments: Votorantim Cimentos, Nexa Resources, Companhia Brasileira de Alumínio (CBA), Long Steels, Energy, and Other. The Votorantim Cimentos segment manufactures and distributes cement and aggregates. The Nexa Resources segment handles mining operations. The CBA segment offers processed bauxite, molten, aluminum, and nickel carbonate. The Long Steels segment provides steel bars and rolled steel. The Energy segment deals with power generation and distribution. The Other segment consists of wood pulp, agribusiness and finance businesses. The company was founded in 2001 and is headquartered in Sao Paulo, Brazil.