TRACTEBEL ENERGIA S.A. A Publicly Listed Company - CNPJ 02.474.103/0001-19 NIRE 4230002438-4 ANNOUNCEMENT TO THE MARKET TRACTEBEL ENERGIA S.A., a publicly listed company with registered offices in the city of Florianópolis, state of Santa Catarina at Rua Paschoal Apóstolo Pítsica, 5064, enrolled in the corporate tax register (CNPJ) under number 02.474.103/0001-19, Brazil's largest privately held power generator, hereby informs its shareholders and the market in general that it remains a constituent of the BM&FBOVESPA Corporate Sustainability Index ("Índice de Sustentabilidade Empresarial" - ISE) for the ninth consecutive year.

As per the BM&FBOVESPA release provided this Thursday, November 28th, based on the November 26th market close, the ninth ISE portfolio is made up of 51 shares of 40 different companies whose market values add up to R$ 1.14 trillion, or 47.16% of the total value of all listed companies.
BM&FBOVESPA further informed that in the present year, to date, while Ibovespa has endured a 14.9% drop, the ISE portfolio has gone up by 2.33%.
The new ISE portfolio will remain in force from January 6, 2014 to January 2, 2015.
Tractebel Energia continuously improves its corporate governance and economic, social and environmental management practices. The ISE, in addition to contributing to these ongoing improvements, stands as an important recognition of the Company's sustainability-based operations strategy.
Florianópolis, November 28, 2013.

Eduardo Antonio Gori Sattamini

Manoel Arlindo Zaroni Torres

Chief Financial and Investor Relations Officer

Chief Executive Officer

TRACTEBEL ENERGIA S.A. Rua Paschoal Apóstolo Pítsica, 5064 - CEP 88025-255 - Florianópolis - Santa Catarina - Brasil Fone/Phone: +55 (48) 3221-7221 - Fax: +55 (48) 3221-7166 - www.tractebelenergia.com.br - webmaster@tractebelenergia.com.br

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