Márcio Hamilton Ferreira

Banco do Estado do Piauí SA engages in promote social and economic development in the State of Piaui as a State owned financial institution. It operates in 120 municipals of piaui. The company was founded in October 10, 1808 and is headquartered in Teresina, Brazil.

NC Energia SA engages in the sale and distribution of electric energy. The company was founded on August 30, 2000 and is headquartered in Rio de Janeiro, Brazil.

Vale Ltd. engages in the mining, processing, and marketing of nickel. The firm produces nickel, copper, cobalt, platinum, rhodium, ruthenium, iridium, gold, and silver. The company was founded in 1901 and is headquartered in Toronto, Canada.

Brasilprev Seguros e Previdência SA (Brasilprev) is the Brazilian insurance management subsidiary of Principal Financial Group, Inc. (NASDAQ: PFG) in the US. Headquartered in Sao Paulo, the firm was founded in 1993 and offers retirement plans for individuals and businesses in the Plano Gerador de Benefício Livre (PGBL) and Vida Gerador de Benefício Livre (VGBL) categories.

Caixa de Previdência dos Funcionários do Banco do Brasil (PREVI) is the pension fund subsidiary of Government-owned Banco do Brasil SA (SP: BBAS3, ADR: BDORY) in Brazil. Headquartered in Rio de Janeiro, the firm was founded in 1904 and is a private pension plan for bank staff and employees which aims to provide participants with supplementary pension benefits. PREVI is a socially responsible investor and PRI signatory who divide the pension fund's management and supervision between the PREVI Board, the Executive Board and the Supervisory Board.

BB Gestão de Recursos DTVM SA (BB DTVM) is a fund management firm headquartered in Rio de Janeiro, Brazil with an additional office in São Paulo. The firm was founded in 1986 and is a wholly-owned subsidiary of government-owned Banco do Brasil S.A. (BVMF: BBAS3). It specializes in the management of third-party resources and the administration of investment funds for Banco do Brasil clients. They utilize the BB distribution network to offer products and services to high-net worth individuals, corporate, government and institutional investors. BB DTVM is a socially responsible investor and signatory to the UN Principles for Responsible Investment (UNPRI).