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____

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Clarifications of Recent News about Potassium Exploration

(Rio de Janeiro, April 30 2009). – PETRÓLEO BRASILEIRO S/A - PETROBRAS, [Bovespa: PETR3/PETR4, NYSE: PBR/PBRA, Latibex: XPBR/XPBRA, BCBA: APBR/APBRA], a Brazilian international energy company, in response to written notice received from the Securities and Exchange Commission of Brazil – CVM, CVM/SEP/GEA-2/No. 129/09, wishes to clarify the news published yesterday in the Brazilian press entitled “Petrobras wants to attract partner to prospect potassium in Amazonas”.

Since the early 1990’s, the Company has had the right to prospect a potassium mine in the State of Amazonas and, in the next 15 days, it intends to request proposals from specialized companies to prepare a Techno-Economic Feasibility Study for the development of this project.

The Company did not issued a press release about this project, since it is still in a preliminary phase of analysis and, thus, has no relevant influence on: (I) the quotes of the securities issued by the public company or indexed by them; (II) the investors’ decision to buy, sell or keep such securities; and (III) the investors’ decision to exercise any rights that are inherent to their condition as holders of securities issued by the Company or indexed by them, as determined by art. 2 of CVM Instruction 358/2002.

The Project will be submitted to the Executive Directors after the conclusion of its analysis. If approved and considered as a material information as per CVM Instruction 358/2002, the Company will issue a press release to the market.

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www.petrobras.com.br/ri/english
Contacts: PETRÓLEO BRASILEIRO S. A. – PETROBRAS
Investor Relations Department I E-mail: petroinvest@petrobras.com.br / acionistas@petrobras.com.br
Av. República do Chile, 65 – 22^nd floor - 20031-912 - Rio de Janeiro, RJ I Tel.: 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.

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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.

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