Exhibit 23
Consent of Independent Registered Public Accounting Firm
We hereby consent to the incorporation by reference in the Registration
Statement on Form F-3 (No. 333-163665) of Petróleo Brasileiro S.A. -
Petrobras, of our report dated February 04, 2013 relating to the financial
statements of Petrobras and the effectiveness of internal control over
financial reporting, which is included in Petrobras` Form 6-K dated
February 05, 2013.
/s/ PricewaterhouseCoopers
PricewaterhouseCoopers
Auditores Independentes
Rio de Janeiro - Brazil
February 5, 2013