NOTICE TO THE MARKET

ANNUAL SHAREHOLDERS MEETING

ON APRIL 28, 2017

Summary statement sent by stock transfer agent

São Paulo, April 25, 2017 - Braskem S.A. (BM&FBovespa: BRKM3, BRKM5 and BRKM6; NYSE: BAK; LATIBEX: XBRK), pursuant to CVM Instruction 481/09, as amended ('CVM IN 481'), hereby announces that it received, as of yesterday, from the stock transfer agent of the Company, the voting statement which did not include the proxy votes sent through custody agents and those sent directly to the transfer agent for the Annual Shareholders Meeting of the Company that will be held on April 28, 2017.

Braskem also informs that proxy votes had not been sent directly to the Company until this date and hence there is no summary voting statement to be disclosed by the Company, pursuant to article 21-T, clause II, item 'b' of CVM IN 481.

More information can be obtained from the Investor Relations Department by calling +55 (11) 3576-9531 or sending an e-mail to braskem-ri@braskem.com.br .

Braskem SA published this content on 25 April 2017 and is solely responsible for the information contained herein.
Distributed by Public, unedited and unaltered, on 25 April 2017 13:17:21 UTC.

Original documenthttp://www.braskem-ri.com.br/detail-notices-and-material-facts/ogm-04282017-summary-statement-sent-by-stock-transfer-agent

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