6-K

UNITED STATES
SECURITIES AND EXCHANGE COMMISSION

Washington, D.C. 20549

Form 6-K

REPORT OF FOREIGN PRIVATE ISSUER PURSUANT TO RULE 13a-16 OR 15d-16 UNDER THE
SECURITIES EXCHANGE ACT OF 1934

For the month of October 2009

Commission File Number 1-15106	Commission File Number 333-14168
PETRÓLEO BRASILEIRO S.A. — PETROBRAS (Exact name of registrant as specified in its charter)	PETROBRAS INTERNATIONAL FINANCE COMPANY (Exact name of registrant as specified in its charter)
BRAZILIAN PETROLEUM CORPORATION — PETROBRAS (Translation of registrant’s name into English)	Not Applicable (Translation of registrant’s name into English)
Avenida República do Chile, 65 20035-900 — Rio de Janeiro — RJ, Brazil (55-21) 3224-4477 (Address of principal executive offices)	Anderson Square Building, P.O. Box 714 George Town, Grand Cayman Cayman Islands B.W.I. (Address of principal executive offices)

Indicate by check mark whether the registrant files or will file annual reports under cover of Form 20-F or Form 40-F.
Form 20-F þ Form 40-Fo

Indicate by check mark if the registrant is submitting the Form 6-K in paper as permitted by Regulation S-T Rule 101(b)(1): o

Note: Regulation S-T Rule 101(b)(7) only permits the submission in paper of a Form 6-K if submitted to furnish a report or other document that the registrant foreign private issuer must furnish and make public under the laws of the jurisdiction in which the registrant is incorporated, domiciled or legally organized (the registrant’s “home country”), or under the rules of the home country exchange on which the registrant’s securities are traded, as long as the report or other document is not a press release, is not required to be and has not been distributed to the registrant’s security holders, and, if discussing a material event, has already been the subject of a Form 6-K submission or other Commission filing on EDGAR.

Indicate by check mark whether the registrant by furnishing the information contained in this Form is also thereby furnishing the information to the Commission pursuant to Rule 12g3-2(b) under the Securities Exchange Act of 1934. Yeso Noþ

If “Yes” is marked, indicate below the file number assigned to the registrant in connection with Rule 12g3-2(b): 82-___.

This report on Form 6-K is incorporated by reference in the Registration Statement on Form of F-3 of Petróleo Brasileiro S.A. — Petrobras (No. 333-139459) and Petrobras International Finance Company (No. 333-139459-01) and the preliminary prospectus supplement dated as of October 21, 2009.

Exhibits

Exhibit 15.1 — Awareness Letter of KPMG Auditores Independentes

Exhibit 15.2 — Awareness Letter of KPMG Auditores Indenpendentes

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SIGNATURES

     Pursuant to the requirements of the Securities Exchange Act of 1934, the registrants have duly caused this report to be signed on its behalf by the undersigned, thereunto duly authorized.

	PETROLEO BRASILEIRO S.A. — PETROBRAS
Date: October 21, 2009	By	/s/ Jorge José Nahas Neto
		Executive Officer
	PETROBRAS INTERNATIONAL FINANCE COMPANY
Date: October 21, 2009	By	/s/ Daniel Lima de Oliveira
		Executive Officer

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EX-15.1

Exhibit 15.1

KPMG	KPMG Auditores Independentes
	Av. Almirante Barroso, 52 — 4°
	20031-000 — Rio de Janeiro, RJ — Brasil	Central Tel   55 (21) 2515-9400
	Caixa Postal 2888	Fax               55 (21) 3515-9000
	20001-970 — Rio de Janeiro, RJ — Brasil	Internet        www.kpmg.com.br

To
Petróleo Brasileiro S.A.—Petrobras
Rio de Janeiro, Brazil

October 21, 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 September 9, 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.

/s/ KPMG Auditores Independentes  

KPMG Auditores Independentes 

Rio de Janeiro, Brazil 

EX-15.2

Exhibit 15.2

KPMG	KPMG Auditores Independentes
	Av. Almirante Barroso, 52 — 4°
	20031-000 — Rio de Janeiro, RJ — Brasil	Central Tel   55 (21) 2515-9400
	Caixa Postal 2888	Fax               55 (21) 3515-9000
	20001-970 — Rio de Janeiro, RJ — Brasil	Internet        www.kpmg.com.br

To
Petrobras International Finance Company (“PifCo”)
Rio de Janeiro, Brazil

October 21, 2009

With respect to the registration statement on Form F-3 (333-139459-01), we acknowledge our awareness of the incorporation by reference therein of our report dated September 9, 2009, related to our review of interim financial information of PifCo.

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.

/s/ KPMG Auditores Independentes  

KPMG Auditores Independentes 

Rio de Janeiro, Brazil