LIGHT S.A.

Corporate Taxpayer's ID (CNPJ/MF): 03.378.521/0001-75

Company Registry (NIRE): 33.300.263.16-1

Publicly Held Company

Notice to the Market

S&P assigns AA+ rating to the new issuance of debentures of Light Sesa

Light S.A. ("Light" or "Company") (B3: LIGT3; ADR I: LGSXY) informs its shareholders and the market in general that the credit rating agency S&P Global assigned AA+ to the national scale ratings to the 17th issuance of debenture of its subsidiary Light Serviços de Eletricidade S.A ("Light Sesa").

Rio de Janeiro, September 27, 2019

Ana Marta Horta Veloso

Chief Executive Officer and Investor Relations Officer

LIGHT S.A.

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Light SA published this content on 27 September 2019 and is solely responsible for the information contained therein. Distributed by Public, unedited and unaltered, on 28 September 2019 00:27:01 UTC