(Rio de Janeiro, November 30, 2006). PETRÓLEO BRASILEIRO S/A - PETROBRAS, [Bovespa: PETR3/PETR4, NYSE: PBR/PBRA, Latibex:
XPBR/XPBRA, BCBA: APBR/APBRA], a Brazilian international energy company, announces that it has been admitted to the list of
companies, whose shares compose the Corporate Sustainability Index of (ISE) BOVESPA that demonstrate a high level of commitment
tosustainability. As a resultof its its participation in this index, as of 12/1/2006, the companys investors base is likely
to broaden to include those investors who value environmental and
social responsibility criteria, besides the financial performance in their investment decisions. The common and preferred shares of Petrobras will respectively weigh 10.8% and 14.2% in the index,
totaling 25%, which is the highest individual share in the ISE.
The 34 companies, whose 43 shares (including the common and preferred shares) compose the index, were selected based on their
policies, management practices, performance and compliance with legal
obligations considering criteria of economic efficiency, environmental balance, social justice, product nature and corporate governance. The market value of the 34 companies, operating in 14 sectors,
corresponds to R$ 700,7 billion, or 48.5 % of BOVESPA total capitalization.The ISE was created by BOVESPA, ABRAPP, ANBID, APIMEC, IBGC, IFC, Instituto ETHOS and the Environment Ministry, that still compose its Deliberative Council, to be a reference for sociallyresponsible investments in Brazil. The methodology used for evaluating the companies was developed by FGV-EAESP. The questionnaire comprising 120 questions was sent to 120 companies issuer of the 150 shares presenting the highest marketability ratio of BOVESPA, and it was responded by 60 companies.
The ISE is a pioneer enterprise in Latin America, which seeks to create an investment environment compatible with the demands of sustainable development of modern society and encourage corporate
ethical responsibility.. The ISE is currently in its second edition after a review process carried out with the participation of interested parties.