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SECURITIES AND EXCHANGE COMMISSION
Washington, D.C. 20549


FORM 6-K

Report of Foreign Private Issuer
Pursuant to Rule 13a-16 or 15d-16 of the
Securities Exchange Act of 1934

For the month of September, 2005

Commission File Number 1-15106


PETRÓLEO BRASILEIRO S.A. - PETROBRAS
(Exact name of registrant as specified in its charter)



Brazilian Petroleum Corporation - PETROBRAS
(Translation of Registrant's name into English)



Avenida República do Chile, 65
20031-912 - Rio de Janeiro, RJ
Federative Republic of Brazil
(Address of principal executive office)

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

Form 20-F ___X___ Form 40-F _______

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.

Yes _______ No___X____


Increase in Gasoline and Diesel Prices

(Rio de Janeiro, September 09, 2005). – PETRÓLEO BRASILEIRO S/A - PETROBRAS, [Bovespa: PETR3/PETR4, NYSE: PBR/PBRA, Latibex: XPBR/XPBRA], a Brazilian international energy company, is notifying its customers today that it is increasing the price of its products as of midnight tonight according to the following table (increases in invoice prices ex-refineries, not including ICMS - average for Brazil).

                                    Increase:    with CIDE and PIS/Cofins 
                                    Gasoline    10.0 % 
                                    Diesel    12.0 % 

The ex-refinery prices of gasoline and diesel include Petrobras’ realization prices plus federal and state taxes.

These price adjustments were calculated by the Company taking into account the new levels of the price of oil. They incorporate medium and long-term perspectives and are in accordance with the specifications defined in the Strategic Plan to maintain parameters with the price of oil products in the international market.

It is with the income received from the sale of our products that Petrobras is able to achieve its investment program, consequently discovering more oil and gas, constructing and operating industrial plants and developing transportation and logistics network that guarantees the domestic supply of oil products and the returns for its stockholders.

http: //www.petrobras.com.br/ri/english

Contacts:
Petróleo Brasileiro S.A – PETROBRAS
Investor Relations Department
Raul Adalberto de Campos– Executive Manager
E-mail: petroinvest@petrobras.com.br
 Av. República do Chile, 65 - 4th floor
20031-912 – Rio de Janeiro, RJ
(55-21) 3224-1510 / 9947
This document may contain forecasts that merely reflect the expectations of the Company’s management. Such terms as “anticipate”, “believe”, “expect”, “forecast”, “intend”, “plan”, “project”, “seek”, “should”, along with similar or analogous expressions, are used to identify such forecasts. These predictions evidently involve risks and uncertainties, whether foreseen or not by the Company. Therefore, the future results of operations may differ from current expectations, and readers must not base their expectations exclusively on the information presented herein.

 

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

Date: September 9, 2005

 
PETRÓLEO BRASILEIRO S.A--PETROBRAS
By:
/S/  José Sergio Gabrielli de Azevedo
 
José Sergio Gabrielli de Azevedo
Chief Financial Officer and Investor Relations Director
 

 

 
FORWARD-LOOKING STATEMENTS

This press release may contain forward-looking statements. These statements are statements that are not historical facts, and are based on management's current view and estimates offuture economic circumstances, industry conditions, company performance and financial results. The words "anticipates", "believes", "estimates", "expects", "plans" and similar expressions, as they relate to the company, are intended to identify forward-looking statements. Statements regarding the declaration or payment of dividends, the implementation of principal operating and financing strategies and capital expenditure plans, the direction of future operations and the factors or trends affecting financial condition, liquidity or results of operations are examples of forward-looking statements. Such statements reflect the current views of management and are subject to a number of risks and uncertainties. There is no guarantee that the expected events, trends or results will actually oc cur. The statements are based on many assumptions and factors, including general economic and market conditions, industry conditions, and operating factors. Any changes in such assumptions or factors could cause actual results to differ materially from current expectations.