Equatorial Energia S.A.

Publicly-Held Company

Corporate Taxpayer's ID (CNPJ/MF): 03.220.438/0001-73

Companhia Energética do Maranhão - CEMAR

Publicly-Held Company

Corporate Taxpayer's ID (CNPJ/MF): 06.272.793/0001-84

NOTICE TO THE MARKET

Rio de Janeiro, August 23, 2016 - Equatorial Energia S.A. (BM&FBOVESPA: EQTL3) and CEMAR - Companhia Energética do Maranhão informs the market that ANEEL - Agência Nacional de Energia Elétrica (Brazilian Electric Energy Regulatory Agency) approved today the annual tariff adjustment for CEMAR.

The Economic Adjustment amounted to 14.59% which, considering de net effect of the financial components' exclusion, results in 8.24% average impact on consumer.

The tariff adjustment will take effect as from August 28, 2016.

Eduardo Haiama

Equatorial Energia S.A.

Chief Financial and Investor Relations Officer

CEMAR - Companhia Energética do Maranhão Investor Relations Officer

Equatorial Energia SA published this content on 23 August 2016 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 23 August 2016 22:14:10 UTC.

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