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____

Additional Clarifications on the acquisition of Suzano Petroquímica

(Rio de Janeiro, August 6, 2007). – PETRÓLEO BRASILEIRO S/A - PETROBRAS, [Bovespa: PETR3/PETR4, NYSE: PBR/PBRA, Latibex: XPBR/XPBRA, BCBA: APBR/APBRA], a Brazilian international energy company, announces that in the light of the acquisition of Suzano Petroquímica and pursuant to Article 256 of Law 6,404/76, PETROBRAS will convene an Extraordinary General Shareholders Meeting to ratify the Share Purchase Contract, signed between the Companies on August 3 2007.

Furthermore, in accordance with the prevailing legislation, holders of PETROBRAS’ common shares may manifest their dissent at the said EGM and, in this case, shall be entitled to reimbursement of the value of their shares pursuant to Article 137, II of Law 6,404/76. The corresponding value eventually to be reimbursed to the dissenting shareholder shall be announced by PETROBRAS on the publication of the convening notice to the EGM in question, always in accordance with requirements of Article 45 of the Corporate Law. Petrobras informs that those shareholders who may exercise their right of dissent in the deliberations of the EGM must be able to substantiate that they were holders of common shares on the date of the publication of the press release subject of the EGM’s deliberations, namely August 3 2007.

As a matter of information, Petrobras wishes to notify that the current stated book value of its shares was R$ 23.64 for the baseline date of March 31 2007.

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.

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 occur. 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.