Companhia de Saneamento de Minas Gerais

COMPANHIA DE SANEAMENTO DE MINAS GERAIS - COPASA MG

PUBLICLY-HELD COMPANY COMPANY REGISTRY (NIRE): 313.000.363-75

CORPORATE TAXPAYER'S ID (CNPJ/MF): 17.281.106/0001-03

Notice to the Market Initial Rating assignment

Companhia de Saneamento de Minas Gerais - COPASA MG informs its shareholders and the general public that, on this date, the Fitch Ratings Agency has assigned the Long-Term National Scale Rating "AA(bra)", with a stable outlook, to COPASA MG. The Company also informs that the report issued by the Agency with said assignment was filed with the Brazilian Securities and Exchange Commission - CVM on this date.

Belo Horizonte, 21 July 2017.

Edson Machado Monteiro

Chief Financial and Investor Relations Officer

COPASA MG - Companhia Mineira de Saneamento de Minas Gerais published this content on 21 July 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 21 July 2017 21:49:09 UTC.

Original documenthttp://www.mzweb.com.br/copasa/web/download_arquivos.asp?id_arquivo=5E1FBBB6-091C-40CB-8D02-E89C97A91724

Public permalinkhttp://www.publicnow.com/view/5D0AB36DAB11F69D0E2A76638301023C71163770