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Analysis of downstream
opportunities with Manguinhos Refinery
Rio de
Janeiro, June 23 2010 - Petr�leo Brasileiro S.A. - Petrobras announces that
it signed a Letter of Intent Refinaria de Petr�leos de Manguinhos S.A. for
joint studies of business opportunities between the two companies.
The Letter
aims to carry out joint studies to identify business opportunities, including
partnerships in the refining area, including the modernization of the
Manguinhos refinery to produce gasoline, diesel, and other products;
transportation and logistics services; and biodiesel production.
The term of
the protocol is for one year, with the possibility of renewal, and is limited
to the analysis of opportunities, not creating any additional obligation for
the parties nor financial obligations for Petrobras.
This
announcement is not an offer of Petrobras shares. Petrobras shares may not be
offered or sold in the United States absent registration or an exemption from
registration, and Petrobras currently intends to register the proposed
offering in the United States. Any public offering of Petrobras shares will
be made by means of a prospectus containing detailed information about
Petrobras and the offering.
Sincerely,
Investors Relations
www.petrobras.com.br/ri/english
Contacts: PETR�LEO BRASILEIRO S. A. - PETROBRAS
Investor Relations Department I E-mail: petroinvest@petrobras.com.br /
acionistas@petrobras.com.br
Av. Rep�blica do Chile, 65 � 22nd floor - 20031-912 - Rio de Janeiro, RJ I
Tel.: 55 (21) 3224-1510 / 9947

This document may
contain forward-looking statements within the meaning of Section 27A of the
Securities Act of 1933, as amended (Securities Act), and Section 21E of the
Securities Exchange Act of 1934, as amended (Exchange Act) 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 forward-looking statements. 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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