Sabesp - Material Fact

SAO PAULO, Oct. 11, 2017 /PRNewswire/ -- Companhia de Saneamento Básico do Estado de São Paulo – Sabesp ("Company" or "Sabesp"), pursuant to the provisions of Paragraph 4 of Article 157 of Law 6.404/76 and the provisions of CVM Instruction no. 358/02, hereby informs its shareholders and the market in general that, in continuity  to the Material Fact published on October 6, 2017 and pursuant to item VI of Article 13 of its Bylaws, at an extraordinary meeting held on this date, the Board of Directors approved the application of the tariff repositioning index of 7.8888% to the current tariffs and the adoption of the new tariff charts, as authorized by the Regulatory Agency for Sanitation and Energy of the State of São Paulo (ARSESP - Agência Reguladora de Saneamento e Energia do Estado de São Paulo), through Resolution No. 753, which will come into force as of November 10, 2017.