Petrobras, following up on the release disclosed on 05/13/2019, regarding the sale of its 93.7% interest in Breitener Energética S.A., informs that the deadlines for expression of interest and execution of the Confidentiality Agreement were postponed for 06/14/2019 and 06/21/2019, respectively, in view of the market's interest in participating in the process.

The adjusted Teaser is available on Petrobras website: http://www.petrobras.com.br/ir.

This disclosure is in compliance with Petrobras' divestment methodology, which is in line with the special regime for the divestment of assets by federal mixed-capital companies, provided for in Decree 9.188/2017.

This operation is in line with the company’s portfolio optimization and improvement of capital allocation, aiming at creating value for our shareholders.

This report on Form 6-K shall be deemed to be incorporated by reference into the Preliminary Prospectus Supplement, dated June 10, 2019, relating to the previously announced offer by Caixa Econômica Federal of common shares, including common shares represented by American depositary shares, of Petróleo Brasileiro S.A. – Petrobras.