Notices and Material Facts

Change of independent auditor

NOTICE TO THE MARKET

São Paulo, January 02, 2020 - BRASKEM S.A. ("Braskem" or the "Company") (B3: BRKM3, BRKM5 and BRKM6; NYSE: BAK; LATIBEX: XBRK) hereby informs its shareholders and the Market that the Board of Directors has approved the engagement of Grant Thornton Auditores Independentes to provide audit services for the Company's annual financial statements and quarterly information for the years of 2020 and 2021, pursuant to Brazilian laws and regulations, replacing KPMG Auditores Independentes ("KPMG").

The engagement of Grant Thornton Auditores Independentes has the purpose to comply with article 31 of CVM Rule No. 308/99, which requires the change of independent auditors after every 5 (five) year term period, and has been undertaken with the consent of KPMG. KPMG will continue to render auditor services to Braskem, pursuant to American laws and regulations.

For more information, contact Braskem's Investor Relations Department by calling +55 (11) 3576-9531 or by sending an e-mail to braskem-ri@braskem.com.br.