This excerpt taken from the PBR 6-K filed Apr 10, 2007.
(m) Acquisition of shares in Gaseba Uruguai S.A.
In November 2005, the Board of Directors of Petrobras approved the acquisition of 51% of the capital of Gaseba Uruguay - Grupo Gaz de France S.A. (Gaseba), a natural gas distribution concession company in Montevideo, Uruguay from GDF International.
In June 2006, Petrobras acquired 66% of the shares in Gaseba. The share acquisition took place over two stages: 51% of the shares held by Grupo Gaz de France were acquired on June 2, 2006 and 15% of the shares held by Acodike Supergas S.A. were acquired on June 29, 2006. The acquisition price was equal to US$14 and due to immateriality, proforma information has not been presented.