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Notice to Shareholders - Distribution of Dividends

BRASKEM S.A.

Corporate Taxpayer ID (CNPJ/MF) 42.150.391/0001-70
Company Registry (NIRE) 29300006939
PUBLICLY HELD COMPANY - CVM Code 00482-0

NOTICE TO SHAREHOLDERS
DISTRIBUTION OF DIVIDENDS

Braskem S.A. ("Braskem") hereby informs its shareholders and the market that the Board of Directors' Meeting held on the date hereof approved the early distribution of dividends for fiscal year 2017, in the total amount of one billion reais (R$1,000,000,000.00), in accordance with Paragraph 4 of Article 44 of the Company's Bylaws, in a gross amount of one real and twenty-five centavos and fraction (R$1.25671792825172) per common share or class "A" preferred share, and of sixty centavos and fraction (R$0.60625562099759) per class "B" preferred share.

The dividends will be paid in Brazil on December 12 by the Itaú Corretora de Valores S.A., with exemption from withholding income tax, in accordance with governing law, and without remuneration or inflation adjustment.

As from December 4, 2017, the common and preferred shares issued by Braskem, in Brazil, will trade ex-dividends.

Shareholders whose registration information does not include a CPF/CNPJ number or indicate a bank, branch and checking account number must update their registration at any Itaú bank branch offering shareholder services.

Additional information may be obtained via Investfone - Shareholder Services Center at the telephone 55 (11) 3003-9285 in Brazil's state capitals and metropolitan areas and at 0800 720 9285 in other locations, or at the bank branches offering shareholder services.

For holders of American Depositary Receipts (ADRs), the payment will be carried out by The Bank of New York Mellon, depositary bank of Braskem's ADRs. Information related the U.S. Record Date, Payment Date, or any further information will be available at www.adrbnymellon.com

São Paulo, November 28, 2017


Pedro Van Langendonck Teixeira de Freitas
Chief Financial and Investor Relations Officer