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. ("Company"), in compliance with CVM Instruction 358/02, of January 3, 2002, hereby informs its shareholders and the public in general that, the Company's wholly-owned subsidiary Light Energia S.A. ("Light Energia"), signed, on this date, the Securities Purchase Agreement ("Agreement") which aims to sell the 50,561,797 (fifty million, five hundred and sixty-one thousand, seven hundred and ninety-seven) common shares ("Shares") currently held by Light Energia ("Transaction") in Renova Energia S.A. ("Renova"), as disclosed in our Material Fact on July 2, 2015.
As per the Agreement, the Shares' sale price, which currently corresponds to 15.87% of Renova's total capital, will be USD 250,000,000.00 (two hundred and fifty million Dollars). The payment will be performed once the Transaction is concluded through the delivery of new shares issued by SunEdison, traded in the New York Stock Exchange ("NYSE"), under the ticker SUNE. The amount of shares to be received by Light Energia when the Transaction is concluded will be calculated based on the average price of SunEdison's shares in the ten trading days immediately prior to the first business day before the closing ("Pricing Period").
The Company also informs that hired today a financial institution to monetize SunEdison's shares to be received by Light Energia. The resale of the shares will be registered in accordance to the American legislation, enabling their free resale by Light Energia in NYSE immediately after the receipt of the shares. The financial institution will perform the payment to Light Energia up to three business days after the Transaction is concluded. This action seeks to protect Light Energia against share price volatility from the beginning of the Pricing Period up until the closing date.
The closing of the Transaction is still subject to preceding conditions, as disclosed in our
Material Fact on July 2, 2015.
The Company will keep the Market informed regarding any relevant progress in this Transaction
that will be immediately disclosed, in compliance with CVM Rule 358/02 and the Corporate Law.
Rio de Janeiro, July 15, 2015. João Batista Zolini Carneiro
Chief Business Development and IR Officer

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