Director Isabella Saboya de Albuquerque Reports Ownership of 1 Common Share in Braskem SA

This Form 3 filing reports that Isabella Saboya de Albuquerque, a director of Braskem SA, has disclosed ownership of 1 common share in the company. The filing was submitted on June 18, 2026, with a reporting period of June 8, 2026. The director, based in Rio de Janeiro, Brazil, holds the share directly (D) rather than indirectly. The filing confirms her position as a director of the Brazilian chemical company, which trades under symbols BAK and BRKM5. This initial statement of beneficial ownership represents a standard disclosure requirement for corporate insiders to report their equity holdings in the company they serve as a director.