NOTICE TO THE MARKET

São Paulo, March 24, 2016 - BRASKEM S.A. (BM&FBOVESPA: BRKM3, BRKM5 and BRKM6; NYSE: BAK; LATIBEX: XBRK), in compliance with Article 12 of CVM Instruction 358 of 2002, announces that it received from BNDES Participações S.A. - BNDESPAR a letter amending the information provided earlier, on March 17, informing of its divestment of class 'A' preferred shares in Braskem's capital stock on regular trading sessions at BM&FBOVESPA S.A. held from February 18, 2016 to March 16, 2016.

As a result of above mentioned sale, the equity interest held by BNDES Participações S.A. - BNDESPAR, equivalent to 10.00% of Braskem's class 'A' preferred capital and 4.33% of Braskem's total capital as of February 17, 2016, has been reduced to 6.61% and 2.86%, respectively, and not 5.00% and 2.16% as previously announced.

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

Braskem SA issued this content on 24 March 2016 and is solely responsible for the information contained herein. Distributed by Public, unedited and unaltered, on 25 March 2016 00:49:01 UTC

Original Document: http://www.braskem-ri.com.br/detail-notices-and-material-facts/rectification-of-stake-reduction-of-bndespar