LIGHT S 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

Light S.A. ("Light" or "Company"), pursuant to CVM Rule 480 of December 7, 2009, hereby informs its shareholders and the market in general that the risk rating agency S&P Global Ratings, by means of a report issued on June 9, 2016, changed the Light Serviços de Eletricidade S.A. ("Light SESA") rating from brA/brA-2 to brBBB+/brA-3 in the domestic Brazil scale, changing the negative Light's outlook to stable.

June 10, 2016

Ana Marta Horta Veloso

Chief Business Development and Investor Relations Officer

Light SA published this content on 13 June 2016 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 13 June 2016 23:39:02 UTC.

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