COMPANHIA ENERGÉTICA DE MINAS GERAIS – CEMIG LISTED COMPANY – CNPJ 17.155.730/0001-64 – NIRE 31300040127 MARKET ANNOUNCEMENT For the ninth year running – Cemig included in the São Paulo Stock Exchange ISE Sustainability Index Cemig (Companhia Energética de Minas Gerais), a listed company with securities traded on the stock exchanges of São Paulo, New York and Madrid, as part of its commitment to best corporate governance practices, hereby informs its stockholders and the market: For the ninth consecutive year, Cemig has been selected for inclusion in the ISE Corporate Sustainability Index (Índice de Sustentabilidade Empresarial) of the São Paulo Stock Exchange (BM&FBovespa). Cemig has been included in the ISE since the index was created, in 2005. This year the ISE includes 51 shares of 40 companies, in 18 sectors, with total market valuation (at Nov. 26, 2013) of R$ 1.14 billion, or 47.16% of the total market capitalization of all the shares traded on the BM&FBovespa. The companies in the new portfolio of the ISE were selected from those with the 200 most liquid shares on the exchange, who answered a 400-item questionnaire reflecting the characteristics of their company, its activities in the economic, environmental, and social dimensions, climate change, and corporate governance, and the nature of its products. For more on the ISE, see: http://www.bmfbovespa.com.br/indices/ResumoIndice.aspx?Indice=ISE&Idioma=pt-br Belo Horizonte, December 2, 2013, Arlindo Porto Neto 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 Page 1 of 1 This text is a translation, provided for information only. The original text in Portuguese is the legally valid version.