MARKET ANNOUNCEMENT

CENTRAIS ELETRICAS BRASILEIRAS S/A

CNPJ: 00.001.180/0001-26

PUBLIC COMPANY

Centrais Elétricas Brasileiras S/A ("Company" or "Eletrobras") hereby informs its Shareholders and the market in general that, on December 15, 2017, the rating agency Standard & Poor's reaffirmed Eletrobras' Global Scale Rating as "BB", including corporate credit and the Senior Unsecured Note Rating. They also reaffirmed the Company's short-term National Scale Rating as "brA-1+" and the Stand-Alone Credit Profile (SACP) remained unchanged as "b+".

According to the agency, Eletrobras' rating continues to reflect the direct relationship with its controlling shareholder, the Brazilian Government, and its incentives, capacity and tools to support the Company. The rating may be changed upon the eventual materialization of the company's privatization.

For more details of the evaluation above, the report of agency is available in the Company websitewww.eletrobras.com/ri

Rio de Janeiro, December 15, 2017.

Armando Casado de Araujo CFO and Investor Relations Officer

EBR & EBR.B

LISTED

NYSE

Eletrobrás - Centrais Elétricas Brasileiras SA published this content on 15 December 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 15 December 2017 23:24:04 UTC.

Original documenthttp://eletrobras.com/en/ri/ComunidadoseFatos/Market Announcement - 12.15.2017 - SeP Rating.pdf

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