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Taesa announces New Trading Name

Taesa announces New Trading Name

Rio de Janeiro - May 23, 2011 - Transmissora Aliança de Energia Elétrica S.A. - TAESA (Bovespa: TRNA11), announces to its
shareholders and to the market in general that as of the trading day of May 25, 2011 the Company shares will be traded with its new name “TAESA" and its ticker symbol "TRNA" remains unchanged.

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