 BRASKEM S.A. BMFBOVESPA;: BRKM3, BRKM5 and BRKM6; NYSE: BAK; LATIBEX: XBRK announces to its shareholders and the market that filed its Annual Report on Form 20-F for the year ended December 31, 2019 the 2019 Form 20-F with the U.S. Securities and Exchange Commission. 