Notice to Shareholders - Distribution of Dividends Approved on OEGM of 04/30/2018



Corporate Taxpayer ID (CNPJ/MF): 42.150.391/0001-70

Company Registry (NIRE): 29300006939

Publicly Held Corporation





            Braskem S.A. ("Braskem" or "Company") (Ticker B3: BRKM3, BRKM5 and BRKM6) announces to its shareholders and the general market that, in the Annual and Extraordinary Shareholders' Meeting of the Company held on the date hereof ("AESM 2018"), shareholders approved the distribution of the minimum mandatory dividends for the fiscal year ended December 31, 2017, in the aggregate amount of one billion, five hundred million reais (R$1,500,000,000.00), in compliance with Paragraph 3, Article 44 of the Company's Bylaws, in the gross amounts of eight hundred fifty-one million, seven hundred twenty-eight thousand, seven hundred sixty-eight reais and forty-seven centavos (R$851,728,768.47), corresponding to one real, eighty-eight centavos and fraction (R$1.88573806195828) per common share, and of six hundred forty-eight million, two hundred seventy-one thousand, two hundred thirty-one reais and fifty-three centavos (R$648,271,231.53), corresponding to one real, eighty-eight centavos and fraction (R$1.88573806195828) per class "A" preferred share.

            The dividends will be paid in Brazil as from May 10, 2018, by the transfer agent of the shares, Itaú Corretora de Valores S.A., without any withholding of income tax, in accordance with governing law, and without remuneration or inflation adjustment.

            As from May 2, 2018, the common and preferred shares of the Company in Brazil will trade ex-dividends.

            Note that the amount of one billion reais (R$1,000,000,000.00) of the dividends approved in the AESM 2018 refers to the prepayment of dividends deducted from a part of the net income recorded from January 1 to September 30, 2017, as approved by the Board of Directors of the Company in the meeting held on November 28, 2017, and already paid on December 12, 2017.

            Shareholders whose registration information does not include a CPF/CNPJ number or indicate a bank, branch and checking account number must normalize 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 the holders of American Depositary Receipts (ADRs), payment will be made by the Bank of New York Mellon, the depositary bank of Braskem's ADRs. Information related to the Registration Date in the USA, the Payment Date and other things is available at


Camaçari, April 30, 2018


Braskem S.A.

Pedro van Langendonck Teixeira de Freitas

Investor Relations Officer