COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG

LISTED COMPANY - CNPJ 17.155.730/0001-64 - NIRE 31300040127

MATERIAL ANNOUNCEMENT Cemig begins talks with potential investors for sale of its stake in Light

In continuation from its Material Announcements on its program of disinvestments, published to the market on June 1, 2017 and updated on July 7, 2017, Cemig (Companhia Energética de Minas Gerais), a listed company with securities traded on the stock exchanges of São Paulo, New York and Madrid, in accordance with CVM Instruction 358 of January 3, 2002, as amended, hereby reports to the Brazilian Securities Commission (CVM), the São Paulo Stock Exchange (BM&F Bovespa S.A.) and the market as follows:

Today (July 12) Cemig has begun holding meetings with investors potentially interested in participating in the process of sale of the whole of its equity position in Light S.A.

Cemig will keep its stockholders and the market timely and appropriately informed on the progress of this transaction.

For further information please contact Cemig on: ri@cemig.com.br

Belo Horizonte, July 12, 2017

Adézio de Almeida Lima

Chief Finance and Investor Relations Officer

Av. Barbacena 1200 Santo Agostinho 30190-131 Belo Horizonte, MG Brazil Tel.: +55 31 3506-5024 Fax +55 31 3506-5025

Page 1 of 1 This text is a translation, provided for information only. The original text in Portuguese is the legally valid version.

CEMIG - Companhia Energética de Minas Gerais published this content on 12 July 2017 and is solely responsible for the information contained herein.
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