LIGHT S.A.

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

Company Registry (NIRE) 33.3.0026316-1

Publicly-held company

Notice to the market

Light S.A. ('Company'), in compliance with Article 6.6.1 of BM&FBovespa's Novo Mercado Listing Rules, hereby informs its shareholders and the market in general that an Extraordinary Board of Directors Meeting will be held on May 29, 2015 at 10:00 Am.

The Company further informs that the updated calendar of corporate events, already reflecting the change above, is available on the websites of the Brazilian Securities and Exchange Commission - CVM (www.cvm.gov.br), BM&FBOVESPA S.A. - Securities, Commodities and Futures Exchange (www.bmfbovespa.com.br), as well as of the Company (ri.light.com.br).

Rio de Janeiro, May 26, 2015.

João Batista Zolini Carneiro

CFO and Investor Relations Officer

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