Report of Foreign Private Issuer – Braskem S.A.

Braskem S.A. is issuing a report on Form 6-K regarding its Annual General Meeting (AGM) scheduled for April 29, 2026. The company has resubmitted the Remote Voting Ballot to include a new item concerning the possibility of requesting cumulative voting, as per Brazilian Securities and Exchange Commission Resolution No. 81/22. This addition does not alter the proposals previously included in the ballot, and votes already submitted remain valid. Shareholders wishing to submit a new ballot must do so by April 25, 2026, and are advised to use the same service provider to avoid conflicting instructions. The report also includes a disclaimer on forward-looking statements, highlighting potential risks and uncertainties that could affect the company's future performance, including the impact of the geological event in Alagoas and the COVID-19 pandemic.