Exhibit 15.1
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KPMG | | KPMG Auditores Independentes
Av. Almirante Barroso, 52 — 4°
20031-000 — Rio de Janeiro, RJ — Brasil
Caixa Postal 2888
20001-970 — Rio de Janeiro, RJ — Brasil | | Central Tel
Fax
Internet | | 55 (21) 2515-9400 55 (21) 3515-9000 www.kpmg.com.br |
To
Petróleo Brasileiro S.A.—Petrobras
Rio de Janeiro, Brazil
July 1, 2009
With respect to the registration statement on Form F-3 (333-139459), we acknowledge our awareness of the incorporation by reference therein of our report dated May 29, 2009, related to our review of interim financial information of Petróleo Brasileiro S.A.—Petrobras.
Pursuant to Rule 436 under the Securities Act of 1933 (the “Act”), such report is not considered part of a registration statement prepared or certified by an independent registered public accounting firm, or a report prepared or certified by an independent registered public accounting firm within the meaning of Sections 7 and 11 of the Act.
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| /s/ KPMG Auditores Independentes | | |
| KPMG Auditores Independentes | | |
| Rio de Janeiro, Brazil | | |
