COMPANHIA ENERGÉTICA DE MINAS GERAIS - CEMIG

LISTED COMPANY
CNPJ 17.155.730/0001-64 - NIRE 31300040127

MARKET ANNOUNCEMENT Cemig in Brazil's Carbon Efficient Index for the index's third year

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 publicly informs the Brazilian Securities Commission (CVM), the São Paulo

Stock, Commodities and Futures Exchange (BM&F Bovespa S.A.) and the market in general, that:

For the third consecutive year since the index was created, Cemig (Companhia Energética de Minas Gerais) has been included in the portfolio of Brazil's Carbon Efficient Stock Index - ICO2 (Índice Carbono Eficiente). The ICO2, created and developed by BM&FBOVESPA and the BNDES (Brazilian Development Bank), includes the shares of companies in Brazil's IBrX-50 stock index that have the highest share-weighted ratios of gross revenue per unit of greenhouse gases emitted - providing an indicator of their carbon emission efficiency.
The new portfolio of the ICO2, in effect from January 7, 2013, has 36 shares of 35 companies. Cemig has increased its participation in relation to the IBrX-50, from 1.227% to 2.167% - a demonstration of its efficiency in terms of carbon emissions.
Cemig prepared its inventory of greenhouse gas emissions according to the ISO 14.064-1 standard and the specifications of the Brazilian Program of the GHG Protocol, and submitted it for independent verification - providing the enhanced credibility of the numbers reported in the ICO2.
Cemig's significant participation in the ICO2 reflects its commitment to action on climate change, as expressed in its public commitment document "10 Initiatives for the Climate". See: http://www.cemig.com.br/Sustentabilidade/MudancasClimaticas/Documents/CircularMudancasClimaticas.pdf
Cemig has also been recognized by the Carbon Disclosure Project (CDP), an NGO that holds the world's largest corporate database on climate change, as one of the 10 Brazilian companies taking the most effective measures to mitigate climate change effects.
For more about the Carbon Efficient Index:
http://www.bmfbovespa.com.br/novo-valor/pt-br/noticias/2013/BMFBOVESPA-e-BNDES-apresentam-nova-carteira- do-Indice-Carbono-Eficiente-ICO2-20130107.asp?titulo=ICO2
Belo Horizonte, January 14, 2013
Maria Celeste Morais Guimarães
Acting 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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