Petrobras (PBR)

Interim payment of interest on own capital

(Rio de Janeiro, March 26, 2008). – PETRÓLEO BRASILEIRO S/A - PETROBRAS, [Bovespa: PETR3/PETR4, NYSE: PBR/PBRA, Latibex: XPBR/XPBRA, BCBA: APBR/APBRA], a Brazilian international energy company, announces to shareholders that it will be making, on March 31, 2008, the second parcel of interest on own capital to shareholders of common (ON) and preferred (PN) shares outstanding on October 5, 2007, in accordance to Notice to Shareholders issued on September 21, 2007, as follows:

This interest on own capital (R$ 0,50) will be subject to 15% withholding tax while the value of R$ 0,0130, corresponding to the variation in the SELIC rate between December 31, 2007 and March 31, 2008 will be subject to 22,5% withholding tax. The above-mentioned Withholding Tax is not applicable to tax immune or exempt shareholders.

This parcel of interest on own capital will be offset against the total remuneration payable for the fiscal year 2007.

Interim payment of interest on own capital

(Rio de Janeiro, January 18, 2008). – PETRÓLEO BRASILEIRO S/A - PETROBRAS, [Bovespa: PETR3/PETR4, NYSE: PBR/PBRA, Latibex: XPBR/XPBRA, BCBA: APBR/APBRA], a Brazilian international energy company, announces that announces to shareholders that it will be making an interim payment of interest on own capital, on January 23, 2008, to shareholders of common (ON) or preferred (PN) shares outstanding on August 17, 2007, in accordance to Notice to Shareholders issued on July 25, 2007, as follows:

This interest on own capital (R$ 0,50) will be subject to 15% withholding tax while the value of R$ 0,0034, corresponding to the variation in the SELIC rate between December 31, 2007 and January 23, 2008 will be subject to 22,5% withholding tax. The above-mentioned Withholding Tax is not applicable to tax immune or exempt shareholders.

The interest on own capital will be offset against the total remuneration payable for the fiscal year 2007.

Interim payment of interest on own capital

(Rio de Janeiro, March 26, 2007). – PETRÓLEO BRASILEIRO S/A - PETROBRAS, [Bovespa: PETR3/PETR4, NYSE: PBR/PBRA, Latibex: XPBR/XPBRA, BCBA: APBR/APBRA], a Brazilian international energy company, announces to shareholders that it will be making an interim payment of interest on own capital, on March 30, 2007, to shareholders of common (ON) and preferred (PN) shares outstanding on December 28, 2006, in accordance to Notice to Shareholders issued on December 15, 2006, as follows:

This interest on own capital (R$ 0,45) will be subject to 15% withholding tax while the value of R$ 0,0137, corresponding to the variation in the SELIC rate between December 31, 2006 and March 30, 2007 will be subject to 22,5% withholding tax. The above-mentioned Withholding Tax is not applicable to tax immune or exempt shareholders.

The interest on own capital will be offset against the total remuneration payable for the fiscal year 2006.

Interim payment of interest on own capital

This interest on own capital (R$ 3,00) will be subject to 15% withholding tax while the value of R$ 0,0618, corresponding to the variation in the SELIC rate between December 31 2004 and February 15 2005 will be subject to 20% withholding tax. The above-mentioned Withholding Tax is not applicable to tax immune or exempt shareholders.

The interest on own capital will be offset against the total remuneration payable for the fiscal year 2004.

1. INSTRUCTIONS FOR CREDITING

Banco do Brasil S.A., as the depository institution for the book entry shares, will effect payment.

1.1 – The shareholders with current accounts held with Banco do Brasil S.A., or with other banks duly advised by shareholders, will automatically be credited amounts due on the payment date.

1.2 – In the case of those shareholders where registration information does not contain details of “Bank/Branch/Current Account”, payment will be credited upon the updating information in Banco do Brasil S.A.’s electronic files through those branches authorized to provide shareholder services.

1.3 – The interest on own capital corresponding to the shares held in deposit by the Stock Exchanges’Fungible Custody Service will be credited to the respective Stock Exchanges through member BROKERAGE HOUSES responsible for paying the respective shareholders.

1.4 – Shareholders with bearer shares should personally contact one of Banco Brasil S.A.’s branches presenting Brazilian tax register number (CPF), identity documents, residence voucher, together with share certificates and respective coupons allowing the latter to be converted into book entry form for subsequent payment. Also, in this opportunity, bank account information could be updated for credit of due remuneration.

2. SHAREHOLDER SERVICES