Petrobras (PBR)

6.125% GLOBAL NOTES DUE 2016

No. 1

CUSIP No.: 71645WAL5

ISIN No.: US71645WAL54

Common Code: 027057390

Principal Amount: U.S.$500,000,000

Initial Issuance Date: October 6, 2006

This Note is one of a duly authorized issue of notes of PETROBRAS INTERNATIONAL FINANCE COMPANY, an exempted company with limited liability organized under the laws of the Cayman Islands (the “Issuer”), designated as its 6.125% Global Notes Due 2016 (the “Notes”), issued in an initial aggregate principal amount of U.S.$500,000,000 under the Fifth Supplemental Indenture (the “Fifth Supplemental Indenture”), effective as of October 6, 2006, by and among the Issuer, The Bank of New York, a New York banking corporation, as successor to JPMorgan Chase Bank, N.A, as Trustee (the “Trustee”), and Petróleo Brasileiro S.A. - PETROBRAS, a mixed capital company (sociedade de economia mista) organized under the laws of Brazil (“Petrobras”), to the Indenture, dated as of July 19, 2002 (the “Original Indenture”, and as supplemented by the Fifth Supplemental Indenture and any further supplements thereto with respect to the Notes, the “Indenture”), by and among the Issuer and the Trustee. Reference is hereby made to the Indenture for a statement of the respective rights, limitations of interests, benefits, obligations and duties thereunder of the Issuer, the Trustee and the Holders, and of the terms upon which the Notes are, and are to be, authenticated and delivered. All capitalized terms used in this Note which are defined in the Indenture and not otherwise defined herein shall have the meanings assigned to them in the Indenture.

The Issuer, for value received, hereby promises to pay to Cede & Co. or its registered assigns, as nominee of The Depository Trust Company (“DTC”) and the Holder of record of this Note, the principal amount specified above in U.S. dollars on October 6, 2016 (or earlier as provided for in the Indenture) upon presentation and surrender hereof, at the office or agency of the Trustee referred to below.

As provided for in the Indenture, the Issuer promises to pay interest on the outstanding principal amount hereof, from the Closing Date, semi-annually on April 6 and October 6 of each year (or if such date is not a Business Day, the next succeeding Business Day following such day), commencing April 6, 2007 (each such date, an “Interest Payment Date”), at a rate equal to 6.125% per annum. Interest payable, and punctually paid or duly provided for, on this Note on any Interest Payment Date will, as provided in the Indenture, be paid in U.S. dollars to the Person in whose name this Note (or one or more predecessor Notes) is registered at the close of business on the relevant Regular Record Date for such interest payment.

Payment of the principal of and interest on this Note will be payable by wire transfer to a U.S. dollar account maintained by the Holder of this Note as reflected in the Security Register of the Trustee. In the event the date for any payment of the principal of or

interest on any Note is not a Business Day, then payment will be made on the next Business Day with the same force and effect as if made on the nominal date of any such date for such payment and no additional interest will accrue on such payment as a result of such payment being made on the next succeeding Business Day. Interest accrued with respect to this Note shall be calculated based on a 360-day year of twelve 30-day months.

The Notes are subject to redemption by the Issuer on the terms and conditions specified in the Indenture.

This Note does not purport to summarize the Indenture, and reference is made to the Indenture for information with respect to the respective rights, limitations of interests, benefits, obligations and duties thereunder of the Issuer, the Trustee and the Holders.

If an Event of Default shall occur and be continuing, the outstanding principal amount of all the Notes may become or may be declared due and payable in the manner and with the effect provided in the Indenture.

Modifications of the Indenture may be made by the Issuer and the Trustee only to the extent and in the circumstances permitted by the Indenture.

The Notes shall be issued only in fully registered form, without coupons. Notes shall be issued in the form of beneficial interests in one or more global securities in denominations of U.S. $2,000 and integral multiples of U.S.$1,000 in excess thereof.

Prior to and at the time of due presentment of this Note for registration of transfer, the Issuer, the Trustee and any agent of the Issuer or the Trustee may treat the Person in whose name this Note is registered as the owner hereof for all purposes, whether or not this Note is overdue, and neither the Issuer, the Trustee nor any agent thereof shall be affected by notice to the contrary.

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Unless the certificate of authentication hereon has been duly executed by the Trustee by manual signature, this Note shall not be entitled to any benefit under the Indenture, or be valid or obligatory for any purpose.

THIS NOTE SHALL BE CONSTRUED IN ACCORDANCE WITH, AND GOVERNED BY, THE LAWS OF THE STATE OF NEW YORK.

IN WITNESS WHEREOF, the Issuer has caused this Note to be duly executed.

PETROBRAS INTERNATIONAL FINANCE COMPANY

By:___________________

Name:

Title:

WITNESSES:

On this 6th day of October, 2006, before me personally came __________, to me known, who, being by me duly sworn, did depose and say that he is Attorney-in-Fact of Petrobras International Finance Company, a corporation described in and which executed the foregoing instrument and acknowledges that said instrument to be the free act and deed of said entity.

On this 6th day of October, 2006, before me personally came __________ and __________, to me personally known, who being by me sworn, did depose and say that they signed their names to the foregoing instrument as witnesses.

[Notarial Seal]

Notary Public

COMMISSION EXPIRES