Braskem Idesa Updates 1Q23 Conference Call Date

Notice of change in Chief Financial Officer

Notice of the partnership with Advario

Ethane Import Terminal Call Recording

Notice of partnership for the Ethane Import Terminal Project

Braskem invites to its 4Q21 and 2021 Conference Call

Notice of validity of new contract and agreements with Pemex

Notice of Pemex and Ethane Import Terminal Agreement

Clarification of news on BRASKEM IDESA S.A.P.I 7.45% notes

Aviso de Memorandum of Understanding

Notice of Partial Return of Operations

Fast Track Notice

Notice to Investors