Ownership Filing of Camilla Tedeschi de Toledo Tapias

This filing details the ownership of BRASKEM SA (BAK) by Camilla Tedeschi de Toledo Tapias. As of June 8, 2026, Ms. Tedeschi de Toledo Tapias, who holds the position of Chief Legal Officer, reported no securities owned in the company. The filing was signed on June 16, 2026. The reporting owner is based in Sao Paulo, Brazil.