TRACTEBEL ENERGIA S.A. A Publicly Held Company - CNPJ 02.474.103/0001-19 NIRE 4230002438-4 ANNOUNCEMENT TO THE MARKET TRACTEBEL ENERGIA S.A., a publicly held company, with its registered offices in the city of Florianópolis, state of Santa Catarina at Rua Paschoal Apóstolo Pítsica, 5064, enrolled in the tax register (CNPJ) under number 02.474.103/0001-19 ("Tractebel"), pursuant to Article

28 of CVM Instruction 308 (ICVM 308) of May 14, 1999, wishes to inform its shareholders
and the market in general that it has renewed until August 24, 2013, the agreement originally signed on July 11, 2011 with ITAÚVEST DTVM S.A., a joint stock company with registered offices at Praça Alfredo Egydio Souza Aranha, 100 - T. Conceição 7th floor, in the city of São Paulo, enrolled in the Brazilian corporate tax register (CNPJ/MF) under number
92.880.749/0001-99, for the purposes of exercising the function of market maker for Tractebel Energia's common shares (ticker "TBLE3") within the scope of the BM&FBovespa ("Market Maker") and enhancing the liquidity of the aforesaid shares. The Company further declares that it currently has a free float of 204,007,369 common shares and that it has not signed with the market maker any agreement regulating the exercising of voting rights or for the purchase of its own equities.
Florianópolis, July 31, 2012.

Eduardo Antonio Gori Sattamini

Manoel Arlindo Zaroni Torres

Chief Financial Officer and

Investor Relations Officer

Chief Executive Officer

TRACTEBEL ENERGIA S.A. Rua Paschoal Apóstolo Pítsica, 5064 - Zip code 88025-255

Florianópolis - Santa Catarina - Brazil

Phone: +55 (48) 3221-7221 - Fax: +55 (48) 3221-7166 - www.tractebelenergia.com.br - ri@tractebelenergia.com.br

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