Braskem SA : Partial spin-off of BRK Investimentos Petroquímicos S.A. (BRK)

Notice to the Market

São Paulo, Brazil, January 27, 2012 - Braskem S.A. ("Braskem" or the "Company") hereby informs that as a result of the partial spin-off of BRK Investimentos Petroquímicos S.A. ("BRK"), the direct controlling shareholder of the Company, and the merger of Petrobras Química S.A. - Petroquisa ("Petroquisa"), a wholly-owned subsidiary of Petróleo Brasileiro S.A. ("Petrobras"), by Petrobras, approved on this date by the Shareholders' Meetings of Petrobras and BRK, Petrobras now holds only a direct equity interest in the Company while BRK and Odebrecht Serviços e Participações S.A. remain Braskem's direct and indirect controlling shareholders, respectively.

As a result of above-mentioned transactions, the Company Shareholders' Agreement will be amended at an opportune moment to reflect the above-mentioned changes. However, all the rights and obligations envisaged in said agreement will remain unchanged.

Further information can be obtained from the Company's Investor Relations Department at [phone] or by e-mail at [e-mail] .
São Paulo, January 27, 2012.

Marcela Aparecida Drehmer Andrade
Investor Relations Officer
Braskem S.A.