Braskem Announces Investment Agreement

SAO PAULO, Brazil, January 22 - Braskem S.A. ("Braskem"), Odebrecht S.A. ("ODB"), Odebrecht Servicos e
Participacoes S.A. ("OSP" and, jointly with ODB, "Odebrecht"), Petroleo
Brasileiro S.A. - Petrobras ("PTB") and Petrobras Quimica S.A. - Petroquisa
("Petroquisa" and, jointly with PTB, "Petrobras" and, jointly with Odebrecht
and Braskem, the "Companies"), announce, in accordance with and for the
purposes of Article 157, Paragraph 4 of Federal Law 6,404/76 and Instruction
358/02 issued by the Securities and Exchange Commission of Brazil (CVM), that
on today's date the Companies entered into an Investment Agreement
("Investment Agreement") to regulate the terms and conditions under which
Odebrecht and Petrobras will consolidate their interests in Brazil's
petrochemical sector by consolidating at Braskem the equity interests they
hold in the sector.

The full version of the Material Fact is available on the Company's IR
website at www.braskem.com.br/ir

For further information on the transaction, Braskem invites shareholders
and investors to a webcast presentation with the Company's management to be
held TODAY, January 22, at 11:00 a.m., accessible through its IR website.

For further information, please contact Braskem's Investor Relations
Area:

Luciana Paulo Ferreira, +55-11-3576-9178, luciana.ferreira@braskem.com.br

Roberta Pimphari Varella, +55-11-3576-9266,
roberta.varella@braskem.com.br

Marina Dalben, +55-11-3576-9716, marina.dalben@braskem.com.br

Luciana Paulo Ferreira, +55-11-3576-9178, luciana.ferreira at braskem.com.br, Roberta Pimphari Varella, +55-11-3576-9266, roberta.varella at braskem.com.br, Marina Dalben, +55-11-3576-9716, marina.dalben at braskem.com.br, all of Braskem S.A.