BAKBraskem S.A. American Depositary Shares (Each representing Two Class A Preferred Shares)

Braskem SA is engaged in the manufacture, sale, import and export of chemicals, petrochemicals and fuels, as well as the production, supply and sale of utilities such as steam, water, compressed air and industrial gases. It also provides industrial services and is engaged in the production, supply and sale of electric energy and gas for its own use and use by other companies. Its segments include Brazil, USA and Europe; and Mexico. The Brazil segments delivered the majority of the revenue from the production and sale of chemicals; the supply of electricity and other inputs produced in these complexes to second-generation producers located in the petrochemical complexes; and the production and sale of PE, including the production of green PE made from renewable resources, and of PP.