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 public 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 that on April 16,
2012 the Company signed an Independent Auditing Services Agreement with KPMG Auditores Independentes to render these services for its financial statements as from the revising of the Quarterly Information (ITR) for the quarter ending March 31, 2012, replacing Deloitte Touche Tohmatsu Auditores Independentes.
The substitution of the auditors has been made necessary in order to comply with Article 31 of ICVM 308, which rules that the Independent Auditor may not provide auditing services to the same client for a period of more than five consecutive years.
Florianópolis, April 19, 2012.

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 - ri@tractebelenergia.com.br

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