Rio de Janeiro, September 08, 2017 – Petróleo Brasileiro S.A. – Petrobras, in continuity to the Material Fact disclosed on 7/28/2017, informs that deadline for signing the Confidentiality Agreement, in order to have access to technical, legal and financial information regarding the full sale of its exploration, development and production rights in seven sets of shallow-water fields (total of 30 concessions) located in the States of Ceará, Rio Grande do Norte, Sergipe, Rio de Janeiro, and São Paulo, will be extended to 9/29/2017, duo to the market’s interest in the process.

The disclosure to the market herein is in compliance with Petrobras’ divestment methodology, which was reviewed and approved by our Executive Board, and is aligned with the guidelines of the Federal Accounting Court (TCU – Tribunal de Contas da União).

This material is being provided pursuant to Brazilian regulatory requirements, does not constitute an offering, under the U.S. securities laws, and is not a solicitation, invitation or offer to buy or sell any securities. The information on our website, which is accessible through hyperlink resulting from this URL, is not and shall not be deemed part of this report on Form 6-K.