This excerpt taken from the PBR 20-F filed May 22, 2009.
United States refining market by acquiring 50% of the Pasadena Refining System (PRSI), formerly the Crown Refinery in Pasadena, Texas. In October 2008, an arbitration panel of the International Centre for Dispute Resolution issued a preliminary decision establishing the validity of the put option exercised by our 50% partner Astra Oil Company for the sale of its stake in PRSI against Petrobras America, our subsidiary in the United States. In April 2009, the arbitration panel issued the final decision, which set the put option exercise price at U.S.$466 million.
In November 2007, we agreed to purchase 87.5% of Nansei Sekiyu Kabushiki Kaisha (NSS), a refinery in Okinawa,