COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG

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

MATERIAL ANNOUNCEMENT Renova: signature of new stockholders' agreement

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 358/2002 as amended, hereby informs the Brazilian Securities Commission (CVM), the São Paulo Stock Exchange (BM&FBovespa S.A.) and the market in general, that:

On December 19, 2014 Cemig's wholly-owned subsidiary Cemig Geração e Transmissão S.A. ("Cemig GT") signed a new Stockholders' Agreement with RR Participações S.A. and Light Energia S.A. - the other members of the controlling stockholding block of Renova Energia S.A. ("Renova").
Among other matters, the agreement governs:
(i) binding obligations governing certain shares ('linked shares'), and aspects of the
stockholders' exercise of the right to vote;
(ii) corporate governance of Renova and of any affiliated or subsidiary companies; (iii) restrictions on transfer of linked shares by the stockholders; and
(iv) exercise of stockholders' rights of first refusal, and of joint sale, in relation to the linked shares.
This new Stockholders' Agreement replaces the Agreement signed on September 29, 2014.
The full text of the Stockholders' Agreement is available on the website of Renova, and has been filed with the BM&FBovespa and with the CVM.
Belo Horizonte, December 22, 2014.
Luiz Fernando Rolla
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

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

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