Rio de Janeiro, September 28, 2017 – Petróleo Brasileiro S.A. – Petrobras, in continuity to the Material Fact disclosed on 9/11/2017, informs that the deadline for signing the Confidentiality Agreement and other documents set forth in the Teaser, for access to technical, legal, and financial information relating to the divestment process of 100% stake in Araucária Nitrogenados S.A. (“ANSA”) and in the Nitrogen Fertilizer Unit III (“UFN-III”), will be extended to 10/13/2017, considering the market’s interest in participate in the process.

This disclosure complies with Petrobras’ divestment methodology, which was reviewed and approved by the company’s Executive Board and is aligned with the guidance of the Federal Court of Accounts (TCU).