São Paulo, Brazil, September 30,2011 - Braskem, the leading resin producer in theAmericas, announced the completion of its acquisition of the PolypropyleneBusiness from The Dow Chemical Company, an important milestone in the Company'sglobal expansion. The transaction, announced on July 27, was approved by theEuropean Commission and the Federal Trade Commission and the Antitrust Divisionof the Justice Department of the United States of America.

The assets involved in the deal include twomanufacturing plants in the U.S. and two in Germany, with a total annualpolypropylene production capacity of 1.05 million tons. The two USmanufacturing plants located in Freeport, Texas and Seadrift, Texas will befully integrated into Braskem America, Inc. The two German plants located inWesseling and Schkopau will operate under Braskem Europe GmbH.

The deal will deliver approximately $140million in synergies through a more diversified portfolio, leveraged fixed costbase and working capital, logistics and supply optimization.

This acquisition brings a strong team that, combinedwith a worldwide polypropylene production capacity of 4 million tons per year,positions Braskem to provide a broader portfolio of products and services to itscustomers.

"Braskemhas a long term commitment to the polymers industry. We see enormous potentialfor growth and innovation in thermoplastics resins because of the endless usesin people's everyday lives," said Braskem's Executive Vice President of theInternational Business Unit, Luiz de Mendonca. "We are very excited to grow ourpartnership with our clients in North America and Europe."

Mark Nikolich, formerly VP of Commercial andSupply Chain for Braskem America, has been named CEO and General Manager ofBraskem Europe GmbH.  Mr. Nikolich bringsto this role over twenty years of experience in polyolefins and chemicals.

Robert Nadin, formerly VP of Innovation andTechnology for Braskem America, has been appointed VP of Commercial and SupplyChain for polypropylene in North America. Mr. Nadin has more than 25 years ofindustry experience in a variety of positions in research and development,business management, business development, and technology licensing.

ABOUT BRASKEM

Braskem is the largest manufacturer ofthermoplastic resins in the Americas. With 35 industrial plants in Brazil, theUnited States and Germany, the company produces more than 16 million tons ofthermoplastic resins and other petrochemical products annually.

Headquartered in Philadelphia, Braskem America,a wholly owned subsidiary of Braskem S.A., has five production facilities,including three in Texas, one in Pennsylvania and one in West Virginia, as wellas its Technology and Innovation Center in Pittsburgh. Braskem Europe GmbH, awholly owned subsidiary of Braskem S.A., operates two production facilities inSchkopau Germany and Wesseling Germany.