Braskem S.A. - Material Fact on Share Purchase Agreement

Braskem S.A. has announced a Material Fact regarding a Judicial Share Purchase and Sale Agreement executed on April 19, 2026. Novonor S.A. – Em recuperação Judicial, NSP Investimentos S.A., and Shine I Fundo de Investimento em Participações Responsabilidade Limitada are parties to this agreement. NSP Investimentos S.A. will sell approximately 50.1% of Braskem's common shares and 34.3% of its total share capital to Shine I Fundo de Investimento em Participações Responsabilidade Limitada. The transaction is subject to precedent conditions, including judicial authorizations, antitrust approvals, and the non-exercise of first refusal and tag-along rights by Petróleo Brasileiro S.A. – Petrobras. Additionally, the agreement includes an obligation for a public offering (OPA) for all outstanding shares of Braskem. The consummation of the transaction is a resolutory condition of the OPA registration. Braskem S.A. will continue to inform the market of any relevant developments.