Companhia De Saneamento Básico Do Estado De São Paulo - Sabesp Announces Resignation of Monica Ferreira Do Amaral Porto from the Position of Member of Company's Board of Directors

Companhia de Saneamento Básico do Estado de São Paulo - SABESP announced that Mrs. Monica Ferreira do Amaral Porto presented a letter of resignation to the position of member of Company's Board of Directors.