Ownership Filing for Fernando Sabbi Melgarejo

This filing details the ownership of BRASKEM SA (BAK) securities by Fernando Sabbi Melgarejo. Mr. Melgarejo, a director of the company, reported on April 29, 2026, that he owns no securities directly. The filing indicates his address in Rio de Janeiro, Brazil. The document type is a Form 3, which is an initial statement of beneficial ownership of securities.